Thermal insulation pipe cutting device

Abstract

The utility model discloses a thermal insulation pipe cutting device which comprises a bottom plate, a movable plate, a lifting plate, a partition plate and a fixing assembly, and bottom plate scale marks are arranged on the bottom plate; the lower bottom surface of the movable plate is in contact with the bottom plate, and a left inclined knife inlet and at least two C-shaped knife inlets are formed in the movable plate; the lifting plate comprises a right inclined knife inlet, an arc knife inlet, a limiting piece and a lifting plate scale mark; the arc knife inlet comprises an upper arc knife inlet and a lower arc knife inlet; the limiting pieces comprise the first limiting piece and the second limiting piece, the first limiting piece and the second limiting piece are each of a double-face comb-tooth-shaped structure, and a limiting hole is formed between every two adjacent comb teeth. The partition plate is located between the lifting plate and the moving plate. The fixing assembly comprises fixing clamps and fixing pins, the fixing clamps are located on the side, away from the lifting plate, of the movable plate, and the fixing clamps clamp the upper and lower surfaces of the bottom plate; and the fixing pin is inserted into the limiting holes of the first limiting piece and the second limiting piece. According to the utility model, the problems of cutting line type selection, multi-angle fixation, carrying and storage can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat preservation pipe cutting, more particularly to a heat preservation pipe cutting device. BACKGROUND

[0002] Pipe body heat preservation is a common technical requirement in the industrial and construction fields, mainly used for reducing heat loss, preventing pipe freezing and cracking, or protecting the temperature of the medium in the pipe. A heat preservation layer cutting technology is usually used to cut a heat preservation pipe, and the heat preservation pipe is sleeved on the outer wall of the pipe body for heat preservation. The heat preservation pipe cutting device is a device for processing heat preservation pipes, and there are various types and functions according to different application scenarios and technical characteristics. In order to ensure the processing quality of the heat preservation pipe, the cutting device needs to have fixing and protection functions.

[0003] Chinese patent application document 1 (application number: 2020223691950, application date: October 22, 2020) discloses a rubber and plastic heat preservation pipe cutting device, which comprises a U-shaped seat structure 1', a fixing structure 2' and a pressing structure 3'. Multiple fixing structures 2' are slidingly arranged on the U-shaped seat structure 1', and every two fixing structures 2' are used in a group and oppositely arranged. The pressing structure 3' is detachably connected with the U-shaped seat structure 1'. The U-shaped seat structure 1' comprises a U-shaped bottom plate 4', a dovetail sliding block, a height block, a handle 10' and a rubber sleeve 11'. The fixing structure 2' comprises a sliding plate 5', a top plate 6' and a fixing screw 7'. The pressing structure 3' comprises a pressing plate 8' and a pressing screw 9'. The above-mentioned scheme has limited selection of the cutting line type of the heat preservation pipe for the U-shaped seat structure 1', which limits the use conditions of the device. The fixing structure 2' is complicated to adjust, and increases the labor input during the operation process. At the same time, the above-mentioned device is heavy and inconvenient to carry.

[0004] Chinese patent application document 2 (application number: 2018104921066, application date: May 22, 2018) discloses a quantitative ring cutting device for heat preservation pipe, which comprises a workbench and its bottom support. One end of the workbench is provided with a fixed clamp seat, the side surface of the fixed clamp seat is provided with a rear limiting plate, the middle part of the workbench is provided with a length direction sliding groove two, the sliding groove two is provided with a sliding block two connected slidingly, the upper end of the sliding block two is fixedly provided with a sliding clamp seat, the middle part of the sliding clamp seat is provided with a cutting groove, the sliding clamp seat and the fixed clamp seat are both provided with an L-shaped support, the front end of the support is provided with a threaded pressing rod, the two ends of the sliding groove two are provided with a sliding groove one symmetrical about the sliding groove two, the sliding groove one is provided with a sliding block one connected slidingly, the upper end of the sliding block one is provided with a support, the upper end of the support is provided with a push rod motor, the front end of the push rod of the push rod motor is fixedly provided with an electric heating cutter, the cutting blade of the electric heating cutter is aligned with the cutting groove, and the sliding clamp seat and the support are provided with a connecting rod. The above-mentioned scheme can only be used for ring cutting, cannot be used for oblique cutting of the central part of the pipe body, cannot meet the splicing needs of the tee pipe, limits the use conditions of the device. At the same time, the above-mentioned device is heavy, inconvenient to store and cannot be carried out for use.

[0005] Chinese patent application file 3 (application number: 2023116299760, application date: 2023.12.01) discloses a heat preservation tube cutting device, which comprises a rotating plate, two support plates are slidably arranged in the rotating plate, a pressing plate is elastically arranged at the top of the support plate, a positioning hole is formed on the inner side of the pressing plate, a boss is fixedly connected to the bottom of the support plate, and the boss is matched with the inner wall of the rotating plate through a clamping assembly; when the sliding block falls to the positioning rod, the support plate can be locked through the cooperation of the clamping block and the clamping strip; when the rotating plate is rotated to the vertical downward state, the clamping block and the clamping strip are separated; the above-mentioned scheme fixes the device only from the width, and the adjustment process is complicated and rapid; at the same time, the above-mentioned device is heavy, inconvenient to store, and cannot be carried out for use.

[0006] Therefore, it is a technical problem urgently to be solved in the field to provide a heat preservation tube cutting device which can select a cutting line type, can be fixed and locked from two directions of width and length of the heat preservation tube, and is simple and rapid in fixing and adjusting, light in device, and convenient to carry. Utility model content

[0007] Therefore, the utility model provides a heat preservation tube cutting device to solve the problems of cutting line type selection, multi-angle fixation and carrying and storage.

[0008] The utility model provides a heat preservation tube cutting device which comprises a bottom plate, a moving plate, a lifting plate, a partition plate and a fixing assembly, the moving plate and the lifting plate are parallel, the moving plate is perpendicularly connected with the bottom plate, wherein,

[0009] The bottom plate is of rectangular structure, has a long edge, a first short edge and a second short edge, the long edge is perpendicular to the first short edge, and the first short edge and the second short edge are parallel;

[0010] A vertical through hole is formed on one side of the long edge, a first horizontal through hole and a second horizontal through hole which are communicated with the vertical through hole are respectively formed on the sides close to the first short edge and the second short edge, the vertical through hole, the first horizontal through hole and the second horizontal through hole penetrate the bottom plate along the thickness direction of the bottom plate, the vertical through hole is a rectangular hole, the first horizontal through hole and the second horizontal through hole are both L-shaped holes, and the upper surfaces of the bottom plate on the sides away from the second horizontal through hole of the first horizontal through hole and away from the first horizontal through hole of the second horizontal through hole are respectively provided with bottom plate scale marks;

[0011] The moving plate is of right-angled trapezoidal body, the lower bottom surface of the moving plate is in contact with the bottom plate, and the moving plate is provided with a left oblique entry slot and at least two C-shaped entry slots, the C-shaped entry slots and the left oblique entry slot penetrate the moving plate along the length direction of the first short edge, along the length direction of the first short edge, the orthographic projection of the C-shaped entry slot and the orthographic projection of the left oblique entry slot are completely non-overlapping, the at least two C-shaped entry slots are arranged along the length direction of the moving plate, and there is a spacing between adjacent two C-shaped entry slots;

[0012] The first moving plate slider and the second moving plate slider are arranged on the side of the moving plate close to the base plate, and the first moving plate slider and the second moving plate slider are rectangular structures, the first moving plate slider corresponds to the first horizontal through hole, the second moving plate slider corresponds to the second horizontal through hole, the first moving plate slider is slidingly inserted into the first horizontal through hole, and the second moving plate slider is slidingly inserted into the second horizontal through hole;

[0013] The lifting plate is a right-angled trapezoidal body, and comprises a right oblique entry knife edge, a circular arc entry knife edge, a limiting piece and a lifting plate scale mark, the right oblique entry knife edge and the circular arc entry knife edge penetrate through the moving plate along the length direction of the first short edge, the orthogonal projection of the right oblique entry knife edge, the orthogonal projection of the circular arc entry knife edge, the orthogonal projection of the limiting piece and the orthogonal projection of the lifting plate scale mark are completely non-overlapping along the length direction of the first short edge, and the lifting plate scale mark is close to the side of the limiting piece.

[0014] The circular arc entry knife edge comprises an upper circular arc entry knife edge and a lower circular arc entry knife edge, the upper circular arc entry knife edge and the lower circular arc entry knife edge are half circular arcs in shape, the arc surface of the upper circular arc entry knife edge protrudes away from the base plate, and the arc surface of the lower circular arc entry knife edge is recessed towards the base plate.

[0015] The limiting piece comprises first and second limiting pieces arranged in parallel, and the first and second limiting pieces are located on the two sides of the circular arc entry knife edge along the length direction of the long edge, the first and second limiting pieces are double-sided comb tooth structures, each side of the double-sided comb tooth structure comprises at least two comb teeth, the at least two comb teeth are arranged along the thickness direction of the base plate and extend along the length direction of the long edge, and the limiting hole is arranged between adjacent two comb teeth along the thickness direction of the base plate.

[0016] The partition plate is located between the lifting plate and the moving plate, the length direction of the partition plate is perpendicular to the length direction of the first short edge, and the partition plate comprises at least two hollow rectangular plates that are sleeved, and the hollow rectangular plate close to the moving plate is telescopic towards the hollow rectangular plate away from the moving plate.

[0017] The fixing assembly comprises a fixing clamp and a fixing pin, the fixing clamp is a double-layer rectangular structure and is located on the side of the moving plate away from the lifting plate, the length direction of the fixing clamp is the same as the length direction of the vertical through hole, and the fixing clamp is clamped on the upper and lower surfaces of the base plate.

[0018] The fixing pin is a cylinder, the length direction of the fixing pin is the same as the length direction of the first short edge, and the fixing pin is inserted into the limiting hole of the first limiting piece and the second limiting piece.

[0019] Compared with the prior art, the heat preservation pipe cutting device provided by the utility model has at least the following beneficial effects:

[0020] First, the heat preservation pipe cutting device provided by the utility model can cut heat preservation pipes into different shapes, thereby meeting the needs of different connection types; for example, first, left and right oblique entry knife edges are provided, which can cut heat preservation pipes at 45 degrees, and the heat preservation pipes cut at 45 degrees can be connected at 90 degrees; second, the utility model provides C-shaped entry knife edges, which can cut the heads of heat preservation pipes; meanwhile, the utility model provides arc entry knife edges, which can cut the bodies of heat preservation pipes.

[0021] Second, the heat preservation pipe cutting device provided by the utility model can fix heat preservation pipes from two directions of width and length, meet safe cutting, and then control the length of cutting; the width of the moving plate and the lifting plate provided by the utility model can be adjusted, and the adjustment mode is realized through the fixed clamps, so that heat preservation pipes of different diameters can be fixed and clamped, thereby improving the safety of the cutting process; further, the partition plate provided by the utility model can block the heads of heat preservation pipes, so that the heat preservation pipes can be cut into connection pipe heads of the required length, thereby realizing length control of the pipe heads to be cut.

[0022] Third, the heat preservation pipe cutting device provided by the utility model can be quickly adjusted, disassembled or assembled, is light and portable; the moving plate provided by the utility model can be disassembled from the first and second horizontal through holes, the lifting plate provided by the utility model can be disassembled from the vertical through hole, and the partition plate of the utility model can also be disassembled from between the moving plate and the lifting plate, that is, the moving plate, the lifting plate, the partition plate and the bottom plate provided by the utility model can be disassembled into single plate bodies, so that the heat preservation pipe cutting device provided by the utility model can be quickly stored and conveniently carried out.

[0023] Of course, any product implementing the utility model does not necessarily need to simultaneously achieve all the technical effects described above.

[0024] Other features of the utility model and its advantages will become clear from the following detailed description of exemplary embodiments of the utility model with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the utility model and, together with its description, serve to explain the principles of the utility model.

[0026] Figure 1 It is a structure schematic view of a rubber and plastic heat preservation pipe cutting device provided by Chinese patent application file 1;

[0027] Figure 2 It is a structure schematic view of a heat preservation pipe cutting device provided by the utility model;

[0028] Figure 3 is a structural schematic view of the bottom plate provided by the utility model;

[0029] Figure 4 is a right view of the moving plate provided by the utility model;

[0030] Figure 5 is a right view of the lifting plate and the fixing pin provided by the utility model;

[0031] Figure 6 is a structural schematic view of the partition plate provided by the utility model;

[0032] Figure 7 is a structural schematic view of the fixing card provided by the utility model;

[0033] Figure 8 is Figure 3 is an enlarged view of A in figure 1;

[0034] Figure 9 is Figure 3 is an enlarged view of B in figure 1. DETAILED DESCRIPTION

[0035] Various exemplary embodiments of the present utility model will now be described in detail below with reference to the drawings. Note that the relative arrangement, numerical expressions, and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model unless specifically stated otherwise.

[0036] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the present utility model and its application or uses.

[0037] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein. However, where appropriate, such techniques, methods, and apparatus should be considered as part of the description of the present utility model.

[0038] In all of the examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as a limitation. Thus, other examples of the exemplary embodiments can have different values.

[0039] Note that similar reference numbers and letters refer to similar items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0040] Embodiment One

[0041] Referring to Figures 2-9 , Figure 2 is a structural schematic view of the heat preservation pipe cutting device provided by the utility model; Figure 3 is a structural schematic view of the bottom plate provided by the utility model;Figure 4 This is a right view of the movable plate provided by this utility model; Figure 5 This is a right view of the lifting plate and fixing pin provided by this utility model;

[0042] Figure 6 This is a schematic diagram of the structure of the partition provided by this utility model; Figure 7 This is a schematic diagram of the structure of the fixing clip provided by this utility model; Figure 8 yes Figure 3 Enlarged view of point A in the middle; Figure 9 yes Figure 3 Enlarged view at point B. This embodiment provides a thermal insulation pipe cutting device, including a base plate 4, a movable plate 5, a lifting plate 6, a partition plate 3, and a fixing assembly 2. The movable plate 5 and the lifting plate 6 are parallel, and the movable plate 5 is perpendicularly connected to the base plate 4.

[0043] The base plate 4 is a rectangular structure with a long edge 041, a first short edge 042 and a second short edge 043. The long edge 041 is perpendicular to the first short edge 042, and the first short edge 042 and the second short edge 043 are parallel.

[0044] A vertical through hole 41 is provided on one side of the long edge 041. A first horizontal through hole 431 and a second horizontal through hole 432 connected to the vertical through hole 41 are respectively provided on the side near the first short edge 042 and the second short edge 043. The vertical through hole 41, the first horizontal through hole 431 and the second horizontal through hole 432 penetrate the bottom plate 4 along the thickness direction of the bottom plate 4. The vertical through hole 41 is a rectangular hole. The first horizontal through hole 431 and the second horizontal through hole 432 are both L-shaped holes. The upper surface of the bottom plate 4 on the side of the first horizontal through hole 431 away from the second horizontal through hole 432 and the side of the second horizontal through hole 432 away from the first horizontal through hole 431 are respectively provided with bottom plate scale markings 42.

[0045] The movable plate 5 is a right-angled trapezoidal body. The bottom surface of the movable plate 5 is in contact with the base plate 4. It has a left oblique entry cut 52 and at least two C-shaped entry cuts 53. The C-shaped entry cuts 53 and the left oblique entry cut 52 penetrate the movable plate 5 along the length direction of the first short edge 042. Along the length direction of the first short edge 042, the orthographic projection of the C-shaped entry cut 53 and the orthographic projection of the left oblique entry cut 52 do not overlap at all. At least two C-shaped entry cuts 53 are arranged along the length direction of the movable plate 5, and there is a gap between two adjacent C-shaped entry cuts 53.

[0046] The first mobile plate sliding block 511 and the second mobile plate sliding block 512 are arranged on the side of the mobile plate 5 close to the bottom plate 4, and are rectangular structures, respectively; the first mobile plate sliding block 511 corresponds to the first horizontal through hole 431, and the second mobile plate sliding block 512 corresponds to the second horizontal through hole 432; the first mobile plate sliding block 511 is slidingly inserted into the first horizontal through hole 431, and the second mobile plate sliding block 512 is movably inserted into the second horizontal through hole 432;

[0047] The lifting plate 6 is a right trapezoidal body, and includes a right oblique entry knife edge 64, a circular arc entry knife edge 62, a limiting piece 63, and a lifting plate scale mark 61; the right oblique entry knife edge 64 and the circular arc entry knife edge 62 penetrate through the mobile plate 5 along the length direction of the first short edge 042; along the length direction of the first short edge 042, the orthographic projection of the right oblique entry knife edge 64, the orthographic projection of the circular arc entry knife edge 62, the orthographic projection of the limiting piece 63, and the orthographic projection of the lifting plate scale mark 61 are completely non-overlapping; the lifting plate scale mark 61 is close to the side of the limiting piece 63, wherein

[0048] The circular arc entry knife edge 62 includes an upper circular arc entry knife edge 621 and a lower circular arc entry knife edge 622; the shapes of the upper circular arc entry knife edge 621 and the lower circular arc entry knife edge 622 are both semicircular arcs; the arc surface of the upper circular arc entry knife edge 621 protrudes away from the bottom plate 4, and the arc surface of the lower circular arc entry knife edge 622 is recessed towards the side close to the bottom plate 4;

[0049] The limiting piece 63 includes a first limiting piece 631 and a second limiting piece 632 arranged in parallel; the first limiting piece 631 and the second limiting piece 632 are located on both sides of the circular arc entry knife edge 62 along the length extension direction of the long edge 041; the first limiting piece 631 and the second limiting piece 632 are both double-sided comb tooth structures; each side of the double-sided comb tooth structure includes at least two comb teeth; the at least two comb teeth are arranged along the thickness direction of the bottom plate 4 and extend along the length direction of the long edge 041; there are limiting holes (not marked in the figure) between the adjacent two comb teeth along the thickness direction of the bottom plate 4;

[0050] The partition plate 3 is located between the lifting plate 6 and the mobile plate 5, and the length extension direction of the partition plate 3 is perpendicular to the length extension direction of the first short edge 042; the partition plate 3 includes at least two hollow rectangular plates which are sleeved; the hollow rectangular plate close to the mobile plate 5 is telescopic towards the hollow rectangular plate away from the mobile plate 5;

[0051] The fixing assembly 2 includes a fixing clamp 21 and a fixing pin 22; the fixing clamp 21 is a double-layer rectangular structure, and is located on the side of the mobile plate 5 away from the lifting plate 6; the length extension direction of the fixing clamp 21 is the same as the length direction of the vertical through hole 41; the fixing clamp 21 is clamped on the upper and lower surfaces of the bottom plate 4;

[0052] The fixing pin 22 is a cylinder, and its length extension direction is the same as that of the first short edge 042. It is inserted into the limiting hole of the first limiting member 631 and the second limiting member 632.

[0053] Specifically, continue to refer to Figure 2 , Figure 3 , Figure 4 and Figure 8 As shown, the base plate 4 is a rectangular plate; a movable plate 5 is provided on one wide side of the base plate 4, and the length extension direction of the movable plate 5 is the same as the length extension direction of the base plate 4. The movable plate 5 can slide freely in the width extension direction of the base plate 4 through the first transverse through hole 431 and the second transverse through hole 432; a lifting plate 6 is further provided on the wide side of the base plate 4 near the movable plate 5. The lifting plate 6 is parallel to the movable plate 5 and is located on the long side of the base plate 4 away from the movable plate 5, and the length extension direction of the lifting plate 6 is the same as the length extension direction of the base plate 4; the lifting plate 6 can be raised and lowered freely in the thickness extension direction of the base plate 4 through the vertical through hole 41.

[0054] The base plate 4 has a horizontal through hole 43 and a vertical through hole 41. The vertical through hole 41 is set along one long edge 041 of the base plate 4. The horizontal through hole 43 includes a first horizontal through hole 431 and a second horizontal through hole 432, which are respectively set along the first short edge 042 and the second short edge 043 of the base plate 4. The first horizontal through hole 431, the second horizontal through hole 432 and the vertical through hole 41 all penetrate the base plate 4 along the thickness direction. The opening direction of the vertical inner groove 44 is perpendicular to the thickness direction of the base plate 4. The first horizontal through hole 431 and the second horizontal through hole 432 are the same in shape and size. The first horizontal through hole 431 and the second horizontal through hole 432 are respectively set on both sides of the base plate 4 along the width extension direction. The length of the first horizontal through hole 431 and the second horizontal through hole 432 is less than the width of the base plate 4. Both the first transverse through hole 431 and the second transverse through hole 432 are L-shaped bent rectangular through holes. The first movable plate slider 511 slides into the first transverse through hole 431 from one end. The first movable plate slider 511 is detachably engaged into the first transverse through hole 431 and slides freely within the first transverse through hole 431. The second movable plate slider 512 slides into the second transverse through hole 432 from one end. The second movable plate slider 512 is detachably engaged into the second transverse through hole 432 and slides freely within the long section of the second through hole.

[0055] The base plate 4, near the moving plate 5 or the lifting plate 6, has a base plate scale mark 42 extending along its width. The base plate scale mark 42 consists of two columns, respectively extending along the length of the first horizontal through hole 431 and the second horizontal through hole 432 on one side of the first horizontal through hole 431 and the second horizontal through hole 432. The zero mark of the base plate scale mark 42 is aligned with the vertical through hole 41. The maximum value of the base plate scale mark 42 is the end of the first horizontal through hole 431 and the second horizontal through hole 432 away from the horizontal through hole 43. The physical meaning of the base plate scale mark 42 is the actual distance from the first horizontal through hole 431 and the second horizontal through hole 432 away from the vertical through hole 41, that is, the distance between the moving plate 5 and the lifting plate 6 in the vertical through hole 41 when the moving plate 5 slides in the first horizontal through hole 431 and the second horizontal through hole 432. Setting two columns of bottom plate scale marks 42 is beneficial for the moving plate 5 to move within the first transverse through hole 431 and the second transverse through hole 432. The two ends of the moving plate 5 can be aligned with the two columns of bottom plate scale marks 42 at any time, so as to achieve a completely horizontal sliding of the moving plate 5 relative to the lifting plate 6.

[0056] Continue to refer to Figure 2 and Figure 4 As shown, the movable plate 5 is a trapezoidal plate of uniform thickness, with the top surface of the movable plate 5 being smaller than the bottom surface of the trapezoid; the length of the movable plate 5 is less than the length of the base plate 4, and the length of the bottom surface of the movable plate 5 (i.e., the maximum length) is greater than the vertical distance between the first transverse through hole 431 and the second transverse through hole 432. Along the inclined side extension direction of the movable plate 5, a left oblique entry cutter 52 is provided on the movable plate 5. The left oblique entry cutter 52 is a rectangular through hole that penetrates the movable plate 5 along the thickness direction of the movable plate 5. The length extension direction of the left oblique entry cutter 52 is consistent with the length extension direction of the inclined side of the movable plate 5. The projection of the left oblique entry cutter 52 in the left or right viewing direction coincides with the projection of the right oblique entry cutter 64 in the left or right viewing direction. Through the left oblique entry cutter 52, the cutter can be inserted from one side of the movable plate 5 to cut a 45° cut surface on the end of the insulation pipe.

[0057] A C-shaped entry notch 53 is arranged on the moving plate 5 in the thickness direction of the moving plate 5, the C-shaped entry notch 53 penetrates the moving plate 5 in the thickness direction of the moving plate 5, the recess direction of the C-shaped entry notch 53 is away from the left oblique entry notch 52, and the diameter of the C-shaped entry notch 53 is not greater than the width of the moving plate 5; the C-shaped entry notch 53 is specifically provided in plurality, and the moving plate 5 provided in the embodiment is provided with seven C-shaped entry notches 53, the recess directions of the seven C-shaped entry notches 53 are all away from the left oblique entry notch 52, and the radii of the seven C-shaped entry notches 53 from the left oblique entry notch to the direction away from the left oblique entry notch are 80 mm, 70 mm, 60 mm, 50 mm, 40 mm, 30 mm and 20 mm respectively; the seven C-shaped entry notches are similar in equal ratio, and the lowest positions of the seven C-shaped entry notches 53 are all flush with the lower bottom surface of the moving plate 5; the C-shaped entry notch 53 can cut a C-shaped curved surface on the pipe head of the heat preservation pipe, and the pipe head of the heat preservation pipe cut by the C-shaped entry notch 53 can be connected perpendicularly with the pipe body of the heat preservation pipe cut by the circular arc entry notch 62, to form a T-shaped communication.

[0058] The first moving plate sliding block 511 and the second moving plate sliding block are arranged on the side of the moving plate 5 close to the bottom plate 4; the distance between the first moving plate sliding block 511 and the second moving plate sliding block 512 is equal to the distance between the first transverse through hole 431 and the second transverse through hole 432. The first moving plate sliding block 511 is a cylindrical groove, the slot of which is away from the second moving plate sliding block 512, and the side of the first moving plate sliding block 511 away from the second moving plate sliding block 512 is provided with a first spring block (not marked in the figure), which is a cylindrical hollow cylinder with one end open, and the opening direction of the first spring block is toward the first moving plate sliding block 511; the groove bottom of the first spring block is provided with a spring wire, and the first spring block and the first moving plate sliding block 511 are respectively connected to the two ends of the spring wire; the projection of the first spring block and the first moving plate sliding block 511 in the left view direction and / or the right view direction is in the shape of a convex character, and the first spring block and the first moving plate sliding block 511 can be jointly clamped in the first transverse through hole 431; the first spring block is used to fix the first moving plate sliding block 511 in the direction perpendicular to the bottom plate 4, and to facilitate the disassembly and assembly of the first moving plate sliding block 511 from the first transverse through hole 431.

[0059] The second moving plate slider 512 is symmetrical with the first moving plate slider 511. The second moving plate slider 512 is a cylindrical groove, and the opening of the groove is directed away from the first moving plate slider 511. The side of the second moving plate slider 512 away from the first moving plate slider 511 is provided with a second spring block (not marked in the figure). The second spring block is a cylindrical hollow tube with one end open. The opening direction of the second spring block is directed toward the second moving plate slider 512. The groove bottom of the second spring block is provided with a spring wire. The second spring block and the second moving plate slider 512 are respectively connected to the two ends of the spring wire. The projection of the second spring block and the second moving plate slider 512 in the left view direction and / or the right view direction is in the shape of a convex character. The second spring block and the second moving plate slider 512 can be jointly clamped in the second transverse through hole 432. The second spring block is used to keep the second moving plate slider 512 fixed in the vertical direction of the bottom plate 4, and to facilitate the disassembly and assembly of the second moving plate slider 512 from the second transverse through hole 432.

[0060] With continued reference to Figure 2 and Figure 5 The lifting plate 6 is a trapezoidal plate with uniform thickness. The upper top surface of the lifting plate 6 is smaller than the lower bottom surface of the lifting plate 6. In the length extension direction of the first short edge 042 or the second short edge 043, the thickness of the lifting plate 6 is smaller than the width of the vertical through hole 41. In the length extension direction of the long edge 041, the length of the lower bottom surface of the lifting plate 6 (i.e. the maximum length) is equal to the length of the vertical through hole 41. In the direction of the inclined edge of the lifting plate 6, the right oblique entry knife opening 64 is provided on the lifting plate 6. The right oblique entry knife opening 64 is a rectangular through hole. The right oblique entry knife opening 64 penetrates the lifting plate 6 in the thickness direction of the lifting plate 6. The length extension direction of the right oblique entry knife opening 64 is consistent with the length extension direction of the inclined edge of the lifting plate 6. Through the right oblique entry knife opening 64, the cutter can be inserted from one side of the lifting plate 6, thereby cutting a 45° section on the pipe head of the heat preservation pipe.

[0061] In the thickness extension direction of the lifting plate 6, the circular arc entry knife opening 62 is provided on the lifting plate 6 and penetrates the lifting plate 6. The circular arc entry knife opening 62 penetrates the lifting plate 6 in the thickness direction of the lifting plate 6 and is specifically provided at one end of the lifting plate 6 away from the inclined edge. The circular arc entry knife opening 62 includes an upper circular arc entry knife opening 621 and a lower circular arc entry knife opening 622. The shapes of the upper circular arc entry knife opening 621 and the lower circular arc entry knife opening 622 are both semicircular arcs. The upper circular arc entry knife opening 621 and the lower circular arc entry knife opening 622 both vertically penetrate the lifting plate 6. The centers of the upper circular arc entry knife opening 621 and the lower circular arc entry knife opening 622 coincide with each other and face each other. That is, the arc surface of the upper circular arc entry knife opening 621 protrudes away from the bottom plate 4, and the arc surface of the lower circular arc entry knife opening 622 is recessed toward the bottom plate 4. The cutter can be inserted into the upper circular arc entry knife opening 621 and the lower circular arc entry knife opening 622, so that the cutter can cut in the length extension direction of the upper circular arc entry knife opening 621 or the lower circular arc entry knife opening 622.

[0062] The lifting plate 6 is provided with a limiting piece 63 in the width direction, and the limiting piece 63 extends in the length direction of the lifting plate 6 and is provided with at least two groups of limiting pieces, which are a first limiting piece 631 and a second limiting piece 632. The length direction of the first limiting piece 631 and the second limiting piece 632 is the same as the width direction of the lifting plate 6, and the first limiting piece 631 and the second limiting piece 632 are both double-sided comb tooth structures, that is, along the length direction of the first limiting piece 631 and the second limiting piece 632, the two sides of the first limiting piece 631 and the second limiting piece 632 are both tooth-shaped. At least two combs are arranged in the thickness direction of the bottom plate 4 and extend in the length direction of the long edge 041, and a limiting hole is formed between any two adjacent combs of the first limiting piece 631 and the second limiting piece 632. The width between each limiting hole is equal, and the limiting hole is equal in diameter to the fixed pin 22. The first limiting piece 631 is arranged away from one end of the inclined surface of the moving plate 5, the second limiting piece 632 is arranged close to one end of the inclined surface of the moving plate 5, and an arc-shaped entry knife edge 62 is arranged between the first limiting piece 631 and the second limiting piece 632. The second limiting piece 632 is provided with a right oblique entry knife edge 64 away from one side of the arc-shaped entry knife edge 62.

[0063] The lifting plate 6 is provided with a lifting plate scale mark 61 away from the moving plate 5, and the zero scale line of the lifting plate scale mark 61 is flush with the lower bottom surface of the lifting plate 6. The lifting plate scale mark 61 extends along the width direction of the lifting plate 6 to the upper top surface of the lifting plate 6. The lifting plate scale mark 61 is used to identify the sinking height of the lifting plate 6 in the vertical through hole 41.

[0064] Specifically, the vertical through hole 41 is a rectangular through hole, and the vertical through hole 41 is arranged on one side of the bottom plate 4 in the length direction of the long edge 41. The length direction of the vertical through hole 41 is perpendicular to the width direction of the bottom plate 4; the length direction of the vertical through hole 41 is perpendicular to the length direction of the first transverse through hole 431 and / or the second transverse through hole 432, and the two ends of the vertical through hole 41 are respectively perpendicular to one end of the first transverse through hole 431 and the second transverse through hole 432. The length of the vertical through hole 41 is less than the length of the bottom plate 4, and the length of the vertical through hole 41 is equal to the maximum length of the lifting plate 6. The vertical through hole 41 is used to clamp the lifting plate 6, so that the lifting plate 6 can freely rise and fall in the vertical through hole 41.

[0065] The lifting plate scale mark 61 is arranged along the width direction of the lifting plate 6, and can be specifically arranged along the length direction of the first limiting piece 631 or the second limiting piece 632. When the lifting plate 6 sinks in the vertical through hole 41, the side of the bottom plate 4 close to the moving plate 5 is at the position indicated by the lifting plate scale mark 61, which is the sinking depth of the lifting plate 6, thereby facilitating the control of the cutting depth of the arc-shaped entry knife edge 62 on the heat preservation tube.

[0066] With reference to the foregoing description Figures 2-6 The partition plate 3 is a telescopic plate, and the partition plate 3 has a rectangular shape. The width of the partition plate 3 is not greater than the width of the moving plate 5. The partition plate 3 is formed by sequentially sleeving at least two rectangular hollow plates. In this embodiment, five rectangular hollow plates are taken as an example for illustration. The partition plate 3 provided in this embodiment is formed by sleeving five rectangular hollow plates from inside to outside. The length of the partition plate 3 can be controlled by shrinking the five rectangular hollow plates. The maximum expansion length of the five rectangular hollow plates is equal to the length of the first transverse through hole 431 or the second transverse through hole 432. The partition plate 3 is arranged between the moving plate 5 and the lifting plate 6, and the partition plate 3 can freely move on the bottom plate 4 along the length extension direction of the long edge 041. By moving the relative position of the partition plate 3 on the bottom plate 4, the size of the excess amount of the cut end of the heat preservation pipe can be controlled when the partition plate 3 is cut in the C-shaped cutting edge 53, and the side of the heat preservation pipe can be provided with a fixed fit when the partition plate 3 is cut in the circular arc cutting edge 62.

[0067] With reference to the foregoing description Figures 2-5 As shown in the figure, the fixing pin 22 is a cylindrical pin, and the lifting plate 6 is provided with a limiting piece 63 in the width direction. The limiting piece 63 includes a first limiting piece 631 and a second limiting piece 632 which are completely identical in structure. The fixing pin 22 can be movably inserted into the limiting holes of the first limiting piece 631 and the second limiting piece 632. By the mutual cooperation of the first limiting piece 631 and the fixing pin 22 and the mutual cooperation of the second limiting piece 632 and the fixing pin 22, the lifting plate 6 can be kept relatively fixed when it is lifted in the vertical through hole 41. By inserting the fixing pin 22 into different limiting hole positions in the first limiting piece 631 and different limiting hole tooth positions in the second limiting piece 632, the lifting height of the lifting plate 6 in the vertical through hole 41 can be controlled and adjusted, so as to control the cutting depth of the circular arc cutting edge 62 on the heat preservation pipe.

[0068] The fixing clamps 21 are arranged in the first transverse through hole 431 and the second transverse through hole 432, respectively. The second transverse through hole 432 can automatically slide in the first transverse through hole 431 and the second transverse through hole 432. The sliding direction is along the length extension direction of the first transverse through hole 431 and the second transverse through hole 432. The fixing clamps 21 can realize the fixation of the moving plate 5.

[0069] In the specific implementation process, the heat preservation pipe cutting device provided in this embodiment can cut the heat preservation pipe in three ways, i.e., 45° bevel cutting, pipe head C-shaped cutting and pipe body arc-shaped cutting. The specific implementation process is as follows:

[0070] Case one, 45° cutting: first, the height of the lifting plate 6 can be adjusted by the fixed pin 22, so that the height of the lifting plate 6 left on the top surface of the base plate 4 is greater than the diameter of the heat preservation pipe to be cut; then the heat preservation pipe to be cut is clamped between the moving plate 5 and the lifting plate 6, and the position of the moving plate 5 relative to the lifting plate 6 is fixed by the fixed clamp; further, the partition plate 3 is inserted from the through opening of the vertical through hole 41 and the first transverse through hole 431 or the second transverse through hole 432, and the partition plate 3 is slid along the length extension direction of the long edge 041 of the base plate 4; the partition plate 3 is expanded to make one side of the partition plate 3 clamped into the vertical through hole 41; finally, the heat preservation pipe to be cut is contracted, so that one end of the heat preservation pipe to be cut is clamped in the U-shaped groove formed by the moving plate 5, the partition plate 3 and the lifting plate 6, the left-handed operator can insert the cutter from the left oblique entry knife edge 52 (the right-handed operator can insert the cutter from the right oblique entry knife edge 64), and cut the heat preservation pipe along the length extension direction of the left oblique entry knife edge 52, so that a 45° cut heat preservation pipe of a predetermined length and another 45° cut heat preservation pipe can be obtained.

[0071] Optionally, when a 45° cut heat preservation pipe of a predetermined length is not needed, the steps related to the partition plate 3 can be ignored.

[0072] Case two, C-shaped cutting of pipe head: first, the height of the lifting plate 6 can be adjusted by the fixed pin 22, so that the height of the lifting plate 6 left on the top surface of the base plate 4 is greater than the diameter of the heat preservation pipe to be cut; then the heat preservation pipe to be cut is clamped between the moving plate 5 and the lifting plate 6, and the position of the moving plate 5 relative to the lifting plate 6 is fixed by the fixed clamp; further, the partition plate 3 is inserted from the through opening of the vertical through hole 41 and the first transverse through hole 431 or the second transverse through hole 432, and the partition plate 3 is slid along the length extension direction of the base plate 4; the partition plate 3 is expanded to make one side of the partition plate 3 clamped into the vertical through hole 41; finally, the heat preservation pipe to be cut is contracted, so that one end of the heat preservation pipe to be cut is clamped in the U-shaped groove formed by the moving plate 5, the partition plate 3 and the lifting plate 6, and the C-shaped entry knife edge 53 with a radius corresponding to the diameter of the pipe body connected to the heat preservation pipe to be cut is selected; for example, the radius of the pipe body connected to the heat preservation pipe to be cut is 20 mm, so the 20 mm C-shaped entry knife edge 53 is selected, the operator can insert the cutter from the 20 mm C-shaped entry knife edge 53, and cut the heat preservation pipe along the length extension direction of the 20 mm C-shaped entry knife edge 53, so that a heat preservation pipe head that can be connected to a 20 mm pipe body T-shaped connection can be obtained; no matter the diameter of the heat preservation pipe is, different pipe diameter models of pipe bodies can be cut.

[0073] Optionally, when a 45° cut heat preservation pipe of a predetermined length is not needed, the steps related to the partition plate 3 can be ignored.

[0074] In case three, the arc-shaped cutting of the pipe body: first, according to the diameter of the pipe body to be connected with the cutting insulation pipe, select the corresponding upper arc-shaped entry knife edge 621 or lower arc-shaped entry knife edge 622; then adjust the height of the lifting plate 6 to the appropriate position through the fixing pin 22, that is, make the beginning and end of the upper arc-shaped entry knife edge 621 or the lower arc-shaped entry knife edge 622 at the same height as the pipe body to be cut, and the left view or right view projection of the upper arc-shaped entry knife edge 621 or the lower arc-shaped entry knife edge 622 coincides with the left view or right view projection of the pipe body to be cut; further, clamp the cutting insulation pipe between the moving plate 5 and the lifting plate 6, and the position of the moving plate 5 relative to the lifting plate 6 is fixed by the fixed clamp; finally, retract the cutting insulation pipe so that one end is in the U-shaped groove formed by the moving plate 5, the bottom plate 4 and the lifting plate 6, the operator can insert the cutter from one end of the upper arc-shaped entry knife edge 621 or the lower arc-shaped entry knife edge 622, and cut the insulation pipe along the length extension direction of the upper arc-shaped entry knife edge 621 or the lower arc-shaped entry knife edge 622, that is, a cutting insulation pipe with the pipe body in the middle can be obtained, so that T-shaped connection can be carried out.

[0075] Compared with the prior art, the insulation pipe cutting device provided by the embodiment at least realizes the following beneficial effects:

[0076] Firstly, the insulation pipe cutting device provided by the embodiment can cut the insulation pipe into different shapes, so as to obtain insulation pipes meeting the needs of different connection types; the embodiment first provides the left oblique entry knife edge 52 and the right oblique entry knife edge 64, which can cut the pipe head of the insulation pipe at 45°, and the insulation pipe cut at 45° can be connected at 90°; secondly, the embodiment provides the C-shaped entry knife edge 53, which can cut the pipe head of the insulation pipe; and the embodiment provides the arc-shaped entry knife edge 62, which can cut the pipe body of the insulation pipe.

[0077] Secondly, the insulation pipe cutting device provided by the embodiment can fix the insulation pipe from two directions of width and length, meet the safe cutting, and further control the length of the cutting; the width of the moving plate 5 and the lifting plate 6 provided by the embodiment can be adjusted, and the adjustment mode is realized by the fixed clamp 21, so that insulation pipes of different diameters can be fixed and clamped, thereby improving the safety of the cutting process; further, the partition plate 3 provided by the embodiment can block the pipe head of the insulation pipe, so that the insulation pipe can cut the connection pipe head with the required length, thereby realizing the length control of the pipe head to be cut.

[0078] Thirdly, the cutting device for the heat preservation tube provided by the embodiment can be quickly adjusted, disassembled or assembled, and the device is light and portable. The moving plate 5 provided by the embodiment can be disassembled from the first transverse through hole 431 and the second transverse through hole 432, the lifting plate 6 provided by the embodiment can be disassembled from the vertical through hole 41, and the partition plate 3 of the embodiment can also be disassembled from between the moving plate 5 and the lifting plate 6. That is, the moving plate 5, the lifting plate 6, the partition plate 3 and the bottom plate 4 provided by the embodiment can be disassembled into single units, so that the cutting device for the heat preservation tube provided by the embodiment can be quickly stored and conveniently carried out.

[0079] In an alternative embodiment, continuing to refer to Figure 2 and Figure 7 shown, the fixing clamp 21 includes a first fixing clamp 211 corresponding to the first transverse through hole 431 and a second fixing clamp 212 corresponding to the second transverse through hole 432. The first fixing clamp 211 and the second fixing clamp 212 each include an upper gasket 213, a lower gasket 214, a stud 215 and a nut 216. The shapes of the upper gasket 213 and the lower gasket 214 are rectangular, and the upper gasket 213 is parallel to the lower gasket 214. The stud 215 is a cylinder, and the upper gasket 213 is fixedly connected with the stud 215. A T-shaped structure is formed between the upper gasket 213 and the stud 215. The upper gasket 213 and the lower gasket 214 are clamped to the upper and lower surfaces of the bottom plate 4, respectively. The stud 215 is screw-connected with the nut 216 through the first transverse through hole 431. The outer surface of the nut 216 is provided with a turning piece, and the shape of the turning piece is arc-shaped, which is concave to the side away from the nut 216.

[0080] Specifically, the first fixed card 211 and the second fixed card 212 are completely consistent in structure size; the first fixed card 211 and the second fixed card 212 both include an upper gasket 213, a lower gasket 214, a stud 215 and a nut 216; wherein the upper gasket 213 and the lower gasket 214 are both rectangular in shape, and the material thereof can be plastic or metal; the upper gasket 213 is arranged on the lower side of the bottom plate 4 away from the moving plate 5, and the lower gasket 214 is arranged on the upper side of the bottom plate 4 close to the moving plate 5, and the upper gasket 213 and the lower gasket 214 are used to clamp the bottom plate 4; the geometric center of the upper gasket 213 is provided with a gasket through hole (not marked in the figure) penetrating through the upper gasket 213; the length of the stud 215 is greater than the thickness of the bottom plate 4, one end of the stud 215 is fixedly connected with the side of the lower gasket 214 close to the bottom plate 4, and the connection mode can be glue jointing or welding, the other end of the stud 215 penetrates through the first transverse through hole 431 or the second transverse through hole 432, penetrates through the gasket through hole of the upper gasket 213 and is screw-connected with the nut 216; further, the outer side of the nut 216 away from the stud 215 is further provided with a turning piece 217, the turning piece 217 is provided with two, and the material thereof can be metal or plastic, and the user can rotate the nut 216 to move away from the lower gasket 214 through the turning piece 217, so as to loosen the upper gasket 213 and the lower gasket 214; the two turning pieces 217 can increase the contact area when the user turns, and facilitate turning.

[0081] By controlling the tightness of the first fixed card 211 and the second fixed card 212, the movement of the first fixed card 211 in the first transverse through hole 431 and the movement of the second fixed card 212 in the second transverse through hole 432 can be realized, so as to limit the movable distance of the moving plate 5 in the direction away from the lifting plate 6 in the width extension direction of the bottom plate 4, further, the first fixed card 211 and the second fixed card 212 are fixed from both ends of the moving plate 5 in the length extension direction thereof, which can effectively fix the moving plate 5 and the lifting plate 6 to be relatively parallel, preventing the non-parallel of the moving plate 5 and the lifting plate 6 from causing the cutting opening of the heat preservation tube to be skewed.

[0082] In an alternative embodiment, continuing to refer to Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 9 , the bottom surface of the hollow rectangular plate close to the lifting plate 6 is provided with a partition right sliding block 31, the partition right sliding block 31 is T-shaped in structure, a vertical inner groove 44 matched with the partition right sliding block 31 is formed on the side wall of the bottom plate 4 corresponding to the vertical through hole 41, the vertical inner groove 44 is recessed away from the vertical through hole 41, the vertical inner groove 44 extends along the length direction of the long edge 041, the partition right sliding block 31 is inserted into the vertical inner groove 44 and slides in the vertical inner groove 44 along the length direction of the long edge 041;

[0083] The upper side of the hollow rectangular plate close to the moving plate 5 is provided with a partition left slider 32, which is a cylinder. The moving plate 5 close to the lifting plate 6 is provided with a moving plate limiting groove 54 matched with the partition left slider 32. The moving plate limiting groove 54 extends along the length direction of the long edge 041. The partition left slider 32 is inserted into the moving plate limiting groove 54 and slides along the length direction of the moving plate limiting groove 54.

[0084] Specifically, the vertical inner groove 44 is arranged on the inner wall of the vertical through hole 41 in the length extension direction. The vertical inner groove 44 is rectangular in shape, and the groove opening of the vertical inner groove 44 faces the lifting plate 6. The partition 3 is fixedly connected with a partition right slider 31 at one end close to the bottom plate 4 and close to the lifting plate 6. The partition right slider 31 is movably inserted into the vertical inner groove 44 of the bottom plate 4. The partition 3 is fixedly connected with a partition left slider 32 at the left side away from the partition right slider 31. The shape of the partition left slider 32 can be cylindrical or rectangular. The moving plate 5 is provided with a moving plate limiting groove 54 at the end away from the bottom plate 4. The moving plate limiting groove 54 is a rectangular groove recessed away from the lifting plate 6. The partition left slider 32 is inserted into the moving plate limiting groove 54 of the moving plate 5 and can freely slide in the moving plate limiting groove 54.

[0085] The vertical inner groove 44 is arranged on the wall close to the moving plate 5 of the vertical through hole 41. The length of the vertical inner groove 44 is the same as the length of the vertical through hole 41. The vertical inner groove 44 is rectangular in shape, and the groove opening of the vertical inner groove 44 faces the lifting plate 6. The groove width of the vertical inner groove 44 is smaller than the thickness of the bottom plate 4, and the groove width of the vertical inner groove 44 is not less than the diameter of the partition right slider 31.

[0086] The partition left slider 32 is arranged on the side of the partition 3 away from the partition right slider 31, and is specifically fixed at the end of the partition 3 away from the bottom plate 4, that is, the partition left slider 32 and the partition right slider 31 are fixedly connected at the two ends of one diagonal line of the partition 3. The moving plate 5 is provided with a moving plate limiting groove 54 at the side close to the lifting plate 6 and away from the bottom plate 4 in the length extension direction. The opening direction of the moving plate limiting groove 54 faces the lifting plate 6. The groove depth of the moving plate limiting groove 54 is not greater than the thickness of the moving plate 5. The groove width of the moving plate limiting groove 54 is greater than the maximum diameter of the partition left slider 32. The end of the partition left slider 32 in the length extension direction is fixedly connected with the partition 3.

[0087] Through the above scheme, the end of the partition 3 close to the bottom plate 4 and close to the lifting plate 6 is movably fixed on the bottom plate 4, and the partition 3 can move along the length direction of the bottom plate 4. The end of the partition left slider 32 away from the partition 3 is engaged and connected in the moving plate limiting groove 54, and the partition left slider 32 can freely move in the moving plate limiting groove 54 along the length extension direction of the moving plate limiting groove 54.

[0088] In an alternative embodiment, with reference to Figure 6 As shown in the figure, the right sliding block 31 of the partition plate comprises a fixed lug 311 and a right wheel shaft 312 connected with the fixed lug 311, the right wheel shaft 312 is located on the side of the fixed lug 311 away from the lifting plate 6, the fixed lug 311 is an inverted n-shaped structure, and the right wheel shaft 312 is a cylinder, the fixed lug 311 is inserted into the vertical through hole 41, and the right wheel shaft 312 is inserted into the vertical inner groove 44.

[0089] Specifically, the side of the fixed lug 311 away from the arc surface is fixedly connected with the side of the partition plate 3 close to the lifting plate 6, the fixed lug 311 is specifically arranged at one end of the partition plate 3 close to the bottom plate 4, and the side of the fixed lug 311 away from the n-shaped arc surface is in close contact with the lifting plate 6; the fixed lug 311 is provided with a fixed lug through hole (not marked in the figure) penetrating through the fixed lug 311 in the length extension direction of the first short edge 042 and the second short edge 043, and the fixed lug through hole is circular in shape. The right wheel shaft 312 is a cylinder, the diameter of the right wheel shaft 312 is equal to the diameter of the fixed lug through hole; the length of the right wheel shaft 312 is equal to the sum of the thickness of the fixed lug 311 and the groove depth of the vertical inner groove 44; the length extension direction of the right wheel shaft 312 is perpendicular to the lifting plate 6 or the fixed lug 311, one end of the right wheel shaft 312 close to the lifting plate 6 or the fixed lug 311 is inserted into the fixed lug through hole, and the other end of the right wheel shaft 312 away from the lifting plate 6 or the fixed lug 311 is inserted into the vertical inner groove 44.

[0090] Through the above scheme, the one end of the right sliding block 31 of the partition plate away from the lifting plate 6 or the fixed lug 311. The right wheel shaft 312 can freely roll in the vertical inner groove 44, thereby facilitating the movement of the partition plate 3.

[0091] In an alternative embodiment, with reference to Figure 2 As shown in the figure, the angle between the inclined edge of the moving plate 5 and the bottom plate 4 is 45°, the left oblique entry slot 52 is parallel to the inclined edge of the moving plate 5, and the left oblique entry slot 52 is close to one side of the inclined edge of the moving plate 5;

[0092] The angle between the inclined edge of the lifting plate 6 and the bottom plate 4 is 45°, the right oblique entry slot 64 is parallel to the inclined edge of the lifting plate 6, and the right oblique entry slot 64 is close to one side of the inclined edge of the lifting plate 6.

[0093] Through the above scheme, the left oblique entry slot 52 is arranged at the best space on the moving plate 5, and the right oblique entry slot 64 is arranged at the best space on the lifting plate 6, thereby effectively reducing the redundant area of the moving plate 5 and the lifting plate 6 and reducing the manufacturing cost of the moving plate 5 and the lifting plate 6.

[0094] In an alternative embodiment, with reference to Figure 2 and Figure 5 As shown in the figure, the number of the upper circular arc entry slot 621 and the lower circular arc entry slot 622 is at least two;

[0095] The at least two upper circular arc entry knife edges 621 are arranged in a concentric circle manner with the center pointing to the side away from the bottom plate 4, and the radius of each upper circular arc entry knife edge 621 gradually decreases; the at least two lower circular arc entry knife edges 622 are arranged in a concentric circle manner with the center pointing to the side close to the bottom plate 4, and the radius of each lower circular arc entry knife edge 622 gradually decreases.

[0096] Specifically, the circular arc entry knife edge 62 is composed of a plurality of semi-circular arcs, and the circular arc entry knife edge 62 includes a plurality of upper circular arc entry knife edges 621 with different radii and a plurality of lower circular arc entry knife edges 622 with different radii. The diameter of the upper circular arc entry knife edge 621 or the lower circular arc entry knife edge 622 is not greater than the width of the lifting plate 6; the present embodiment provides four lower circular arc entry knife edges 622, and the four lower circular arc entry knife edges 622 are arranged with the same center. The radii of the four lower circular arc entry knife edges 622 from the center outward are 20 mm, 40 mm, 60 mm and 80 mm in sequence; the present embodiment provides three upper circular arc entry knife edges 621, and the three upper circular arc entry knife edges 621 are arranged with the same center. The radii of the three upper circular arc entry knife edges 621 from the center outward are 30 mm, 50 mm and 70 mm in sequence; the center of the upper circular arc entry knife edge 621 and the center of the lower circular arc entry knife edge are on the same perpendicular line.

[0097] The upper circular arc entry knife edge 621 or the lower circular arc entry knife edge 622 can cut out arc-shaped concave surfaces of different sizes on the pipe body of the heat preservation pipe, so that the heat preservation pipe can be connected with more pipe bodies of different diameters.

[0098] In an alternative embodiment, continuing to refer to Figure 2 and Figure 5 shown, the fixing pin 22 includes a first fixing pin 221 corresponding to the first limiting piece 631 and a second fixing pin 222 corresponding to the second limiting piece 632. The first fixing pin 221 and the second fixing pin 222 each include a pin body (not labeled in the figure) and a protective sheet (not labeled in the figure) connected to the pin body. The pin body is a cylindrical structure, and the protective sheet is an arc-shaped body. The concave surface of the arc-shaped body is fixedly connected to the pin body. The pin bodies of the first fixing pin 221 and the second fixing pin 222 are respectively inserted into the limiting holes of the first limiting piece 631 and the second limiting piece 632.

[0099] Specifically, the diameter of the pin body is not greater than 15 mm, and the length of the pin body is greater than the thickness of the lifting plate 6; the material of the pin body can be plastic or metal; the pin body is provided with a protective sheet, the protective sheet can be a rubber sheet, and the protective sheet can be semicircular or semi-elliptical; the geometric center of the protective sheet coincides with the rotation axis of the fixed pin 22, and the distance from the geometric center of the protective sheet to one end of the pin body is equal to the thickness of the lifting plate 6. The structure and size of the first fixed pin 221 and the second fixed pin 222 are completely consistent, the first fixed pin 221 is arranged away from one end of the inclined surface of the moving plate 5 and is inserted into the first limiting piece 631; the second fixed pin 222 is arranged close to one end of the inclined surface of the moving plate 5 and is inserted into the second limiting piece 632;

[0100] Through the above scheme, the lifting plate 6 can be fixed at both ends in the length extension direction, preventing the horizontal imbalance of the lifting plate, thereby preventing the cutting of the cutting opening from being inclined to the pipe body; further, the protective sheet can control the depth of the pin body inserted into the limiting piece 63 to be not more than the thickness of the lifting plate 6, preventing the pin body from being inserted too deep to affect the clamping of the pipe body by the lifting plate 6 and the moving plate 5.

[0101] In an alternative embodiment, continuing to refer to Figure 2 As shown in the figure, the vertical through hole 41 has a spacing between the first short edge 042 and the end close to the first short edge 042, and between the second short edge 043 and the end close to the second short edge 043.

[0102] Along the length direction of the first short edge 042, the width of the vertical through hole 41 is greater than the thickness of the lifting plate 6.

[0103] Specifically, along the length extension direction of the first short edge or the second short edge, the width of the vertical through hole 41 is less than the sum of the length of the first transverse through hole 431 or the second transverse through hole 432. The width of the vertical through hole 41 is equal to the sum of the thickness of the lifting plate 6 and the thickness of the fixed lug 311. Through the above scheme, the lifting plate 6 can be lifted in the vertical through hole 41, and the partition plate 3 can slide in the vertical inner groove 44 in the vertical through hole 41.

[0104] In an alternative embodiment, continuing to refer to Figure 2 As shown in the figure, the materials of the bottom plate 4, the moving plate 5, the lifting plate 6 and the partition plate 3 are plastic, metal or wood respectively. Specifically, they can be hard plastic, light steel material. Through the above scheme, the overall weight of the heat preservation pipe cutting device provided in the embodiment can be further reduced, so that the heat preservation pipe cutting device provided in the embodiment can be conveniently carried out for carrying out.

[0105] Embodiment two

[0106] Continuing to refer to FIG. Figure 2 , Figure 3 , Figure 4and Figure 8 As shown, the first transverse through hole 431 includes a first through hole long section 4311 and a first through hole short section 4312 connected to the first through hole long section 4311. The first through hole long section 4311 is connected to the vertical through hole 41. The length extension direction of the first through hole long section 4311 is parallel to the first short edge 042. The first through hole long section 4311 and the first through hole short section 4312 form an L-shaped structure.

[0107] The second transverse through hole 432 includes a second through hole long section (not marked in the figure) and a second through hole short section (not marked in the figure) connected to the second through hole long section. The second through hole long section is connected to the vertical through hole 41. The length extension direction of the second through hole long section is parallel to the first short edge 042. The second through hole long section and the second through hole short section form an L-shaped structure.

[0108] The first movable plate slider 511 is slidably connected to the first through hole long section 4311 via the first through hole short section 4312, and the second movable plate slider 512 is slidably connected to the second through hole long section via the second through hole short section.

[0109] Specifically, one end of the long section 4311 of the first through hole is perpendicularly connected to one end of the short section 4312 of the first through hole, and the end of the long section 4311 of the first through hole away from the short section 4312 of the first through hole is perpendicularly connected to the vertical through hole; the length extension direction of the long section 4311 of the first through hole is parallel to the width extension direction of the base plate 4, and the cross-section of the long section 4311 of the first through hole perpendicular to the length extension direction is convex, with the convex recess of the long section 4311 facing away from the long section of the second through hole. The length extension direction of the short section 4312 of the first through hole is perpendicular to the width extension direction of the base plate 4, and the short section 4312 of the first through hole is a wedge-shaped groove; the short section 4312 of the first through hole closer to the long section 4311 of the first through hole is the deep end, and the short section 4312 of the first through hole away from the long section 4311 of the first through hole is the shallow end.

[0110] The two ends of the long section of the second through hole are perpendicularly connected to the two ends of the short section of the second through hole. The two ends of the long section of the second through hole away from the short section of the second through hole are perpendicularly connected to the vertical through hole. The length extension direction of the long section of the second through hole is parallel to the width extension direction of the base plate 4. The cross-section of the long section of the second through hole perpendicular to the length extension direction is convex, and the convex recess of the long section of the second through hole faces away from the long section of the first through hole 4311. The length extension direction of the short section of the second through hole is perpendicular to the width extension direction of the base plate 4. The short section of the second through hole is a wedge-shaped groove. The short section of the second through hole is deeper near the long section of the second through hole, and shallower away from the long section of the second through hole.

[0111] Through the above scheme, the first moving plate slider 511 can slide into the shallow end of the first through hole short section 4312, and then enter the convex-shaped groove of the first through hole long section 4311, and the second moving plate slider 512 can slide into the shallow end of the second through hole short section, and then enter the convex-shaped groove of the second through hole long section.

[0112] The technical features of the utility model are mutually matched, and the functions support each other, that is, the technical scheme is not "simple superposition" of the technical features between the multiple comparison files, so the utility model does not belong to the case of "simple superposition" in the second part of the fourth chapter of "Patent Examination Guidelines".

[0113] Although some specific embodiments of the utility model have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, and are not intended to limit the scope of the utility model. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A heat preservation tube cutting device, characterized by, The utility model relates to a kind of movable plate lifting device, including bottom plate, moving plate, lifting plate, partition and fixed assembly, the moving plate and the lifting plate are parallel, the moving plate is vertically connected with the bottom plate, wherein, The bottom plate is rectangular structure, with long edge, first short edge and second short edge, the long edge is perpendicular to the first short edge, and the first short edge and the second short edge are parallel; Vertical through-hole is opened in the long edge side, first horizontal through-hole and second horizontal through-hole communicated with the vertical through-hole are opened respectively near the first short edge and the second short edge side, the vertical through-hole, the first horizontal through-hole and the second horizontal through-hole penetrate the bottom plate along the thickness direction of the bottom plate, the vertical through-hole is rectangular hole, first horizontal through-hole and second horizontal through-hole are L-shaped hole, the first horizontal through-hole is away from the second horizontal through-hole side and the second horizontal through-hole is away from the first horizontal through-hole side bottom plate upper surface is provided with bottom plate scale mark respectively; The moving plate is right trapezoidal body, the lower bottom surface of the moving plate is in contact with the bottom plate, and is provided with left oblique entry slot and at least two C-shaped entry slots, the C-shaped entry slot and the left oblique entry slot penetrate the moving plate along the length direction of the first short edge, and the orthogonal projection of the C-shaped entry slot and the orthogonal projection of the left oblique entry slot are completely not overlapped along the length direction of the first short edge, the at least two C-shaped entry slots are arranged along the length direction of the moving plate, and there is a spacing between adjacent two C-shaped entry slots; The moving plate is provided with first moving plate slider and second moving plate slider near the bottom plate side, the first moving plate slider and the second moving plate slider are rectangular structure respectively, the first moving plate slider corresponds the first horizontal through-hole, the second moving plate slider corresponds the second horizontal through-hole, the first moving plate slider is slidably inserted into the first horizontal through-hole, and the second moving plate slider is movably inserted into the second horizontal through-hole; The lifting plate is right trapezoidal body, and includes right oblique entry slot, circular arc entry slot, limiting piece and lifting plate scale mark, the right oblique entry slot and the circular arc entry slot penetrate the moving plate along the length direction of the first short edge, and the orthogonal projection of the right oblique entry slot, the orthogonal projection of the circular arc entry slot, the orthogonal projection of the limiting piece and the orthogonal projection of the lifting plate scale mark are completely not overlapped along the length direction of the first short edge, and the lifting plate scale mark is close to the limiting piece side, wherein, The circular arc entry slot includes upper circular arc entry slot and lower circular arc entry slot, the shapes of the upper circular arc entry slot and the lower circular arc entry slot are semicircular arc respectively, the arc surface of the upper circular arc entry slot protrudes away from the bottom plate side, and the arc surface of the lower circular arc entry slot is recessed close to the bottom plate side. The limiting piece includes a first limiting piece and a second limiting piece arranged in parallel, the first limiting piece and the second limiting piece are respectively located on both sides of the circular arc entry knife edge along the length extension direction of the long edge, the first limiting piece and the second limiting piece are respectively double-sided comb tooth structure, each side of the double-sided comb tooth structure includes at least two combs, at least two combs are arranged along the thickness direction of the bottom plate and extend along the length direction of the long edge, and a limiting hole is arranged between adjacent two combs along the thickness direction of the bottom plate; The partition plate is located between the lifting plate and the moving plate, the length extension direction of the partition plate is perpendicular to the length extension direction of the first short edge, and the partition plate includes at least two hollow rectangular plates sleeved, the hollow rectangular plate close to the moving plate is telescopic to the hollow rectangular plate away from the moving plate; The fixing assembly includes a fixing clamp and a fixing pin, wherein the fixing clamp is a double-layer rectangular structure, is located on the side of the moving plate away from the lifting plate, the length extension direction of the fixing clamp is the same as the length direction of the vertical through hole, and the fixing clamp is clamped on the upper and lower surfaces of the bottom plate; The fixing pin is a cylinder, the length extension direction of the fixing pin is the same as the length extension direction of the first short edge, and the fixing pin is inserted into the limiting hole of the first limiting piece and the second limiting piece.

2. The thermal tube cutting device of claim 1, wherein, The fixing clamp includes a first fixing clamp corresponding to the first transverse through hole and a second fixing clamp corresponding to the second transverse through hole, the first fixing clamp and the second fixing clamp each include an upper gasket, a lower gasket, a stud and a nut, wherein the shapes of the upper gasket and the lower gasket are rectangular, the upper gasket is parallel to the lower gasket, the stud is a cylinder, the upper gasket is fixedly connected with the stud, a T-shaped structure is formed between the upper gasket and the stud, the upper gasket and the lower gasket are respectively clamped on the upper and lower surfaces of the bottom plate, the stud is screw-connected with the nut through the first transverse through hole, the outer surface of the nut is provided with a turning piece, the shape of the turning piece is arc-shaped, and the arc-shaped surface is recessed away from the nut.

3. The thermal tube cutting device of claim 1, wherein, The bottom surface of the hollow rectangular plate close to the lifting plate is provided with a partition plate right sliding block, the partition plate right sliding block is a T-shaped structure, a vertical inner groove matched with the partition plate right sliding block is formed in the side wall of the bottom plate corresponding to the vertical through hole, the vertical inner groove is recessed away from the vertical through hole, the vertical inner groove extends along the length direction of the long edge, the partition plate right sliding block is inserted into the vertical inner groove, and the partition plate right sliding block slides in the vertical inner groove along the length direction of the long edge; The upper side of the hollow rectangular plate close to the moving plate is provided with a partition plate left sliding block, the partition plate left sliding block is a cylinder, the moving plate close to the lifting plate is provided with a moving plate limiting groove matched with the partition plate left sliding block, the moving plate limiting groove extends along the length direction of the long edge, the partition plate left sliding block is inserted into the moving plate limiting groove, and the partition plate left sliding block slides in the moving plate limiting groove along the length direction of the long edge.

4. The thermal tube cutting device of claim 3, wherein, The right slide block of the partition plate comprises a fixed lug and a right wheel shaft connected with the fixed lug, the right wheel shaft is located on the side of the fixed lug away from the lifting plate, the fixed lug is in an inverted n-shaped structure, the right wheel shaft is in a cylindrical shape, the fixed lug is inserted into the vertical through hole, and the right wheel shaft is inserted into the vertical inner slot.

5. The thermocouple cutting device of claim 1, wherein, An angle between the oblique edge of the moving plate and the bottom plate is 45°, the left oblique entry slot is parallel to the oblique edge of the moving plate, and the left oblique entry slot is close to one side of the oblique edge of the moving plate. An angle between the oblique edge of the lifting plate and the bottom plate is 45°, the right oblique entry slot is parallel to the oblique edge of the lifting plate, and the right oblique entry slot is close to one side of the oblique edge of the lifting plate.

6. The thermocouple cutting device of claim 1, wherein, The number of the upper circular arc entry slots and the lower circular arc entry slots is at least two. At least two upper circular arc entry slots are arranged in a concentric circle mode, the center of the concentric circle points to a direction away from the bottom plate, the radius of each upper circular arc entry slot gradually decreases, at least two lower circular arc entry slots are arranged in a concentric circle mode, the center of the concentric circle points to a direction close to the bottom plate, and the radius of each lower circular arc entry slot gradually decreases.

7. The thermocouple cutting device of claim 1, wherein, The fixing pin comprises a first fixing pin and a second fixing pin, the first fixing pin and the second fixing pin each comprise a pin body and a protection sheet connected with the pin body, the pin body is in a cylindrical structure, the protection sheet is in an arc-shaped body, the concave surface of the arc-shaped body is fixedly connected with the pin body, and the pin body of the first fixing pin and the second fixing pin is respectively inserted into the limiting hole of the first limiting piece and the second limiting piece.

8. The vacuum tube cutting device of claim 1, wherein, The first transverse through hole comprises a first through hole long section and a first through hole short section in communication with the first through hole long section, the first through hole long section communicates with the vertical through hole, the length extension direction of the first through hole long section is parallel to the first short edge, and an L-shaped structure is formed between the first through hole long section and the first through hole short section. The second transverse through hole comprises a second through hole long section and a second through hole short section in communication with the second through hole long section, the second through hole long section communicates with the vertical through hole, the length extension direction of the second through hole long section is parallel to the first short edge, and an L-shaped structure is formed between the second through hole long section and the second through hole short section. The first moving plate slide block is slidably connected to the first through hole long section through the first through hole short section, and the second moving plate slide block is slidably connected to the second through hole long section through the second through hole short section.

9. The insulated tube cutting device of claim 1, wherein, There is a spacing between the end of the vertical through hole close to the first short edge and the first short edge and between the end of the vertical through hole close to the second short edge and the second short edge. In the length direction of the first short edge, the width of the vertical through hole is greater than the thickness of the lifting plate.

10. The thermocouple cutting device of claim 1, wherein, The materials of the bottom plate, the moving plate, the lifting plate and the partition plate are respectively plastic, metal or wood.

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