Connecting pipe hot melting device

Abstract

The utility model relates to a connecting pipe hot melting device which comprises a support, a second pipe clamping plate, a tool apron, a cutter, a heating assembly, a first pushing mechanism, a second pushing mechanism, a lifting plate and a lifting seat, a first bearing plate is arranged on a base in a sliding mode, a second moving plate is arranged on the first moving plate in a sliding mode, the first pipe clamping plate is detachably connected with the support, and a second bearing plate is arranged on the second moving plate. The second moving plate and the first tube clamping plate are both provided with second tube clamping plates, a cutter is arranged on every two adjacent tool aprons, a heating assembly is arranged between every two adjacent tool aprons, the first pushing mechanism is arranged on the base, the second pushing mechanism is arranged on the first moving plate, the lifting plate is connected with the second pushing mechanism, and a sliding groove is formed in the lifting plate. The lifting seat is detachably connected to the first bearing plate, and a pulley is arranged on the side, opposite to the lifting plate, of the lifting seat. According to the pipe connecting hot melting device, automatic pipe connecting can be achieved, manual operation is not needed, the working efficiency is improved, and the pipe connecting hot melting device can be polluted by bacteria.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pipes, in particular to a connecting pipe hot melting device. Background Art

[0002] Cell resuscitation is to ensure that extracellular ice crystals melt within a very short time by means of rapid melting, avoiding damage to cells caused by the infiltration of water into cells and recrystallization due to slow melting. Successfully resuscitated cells can maintain a very high viability.

[0003] Currently, during the process of cell resuscitation, when connecting the liquid storage bag and the cryopreservation tube to the connecting pipeline, manual connection is carried out by workers. However, the manual connection method is not only prone to cell fluid contamination, but also has low work efficiency. Content of the Utility Model

[0004] Based on the above description, the utility model provides a connecting pipe hot melting device, aiming to solve the problems of easy cell fluid contamination and low work efficiency during manual connection in existing cell resuscitation.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A connecting pipe hot melting device includes a bracket, a second pipe clamping plate, a tool holder, a cutting tool, a heating component, a first pushing mechanism, a second pushing mechanism, a lifting plate and a lifting seat. The bracket includes a base, a first bearing plate, a first moving plate, a second moving plate and a first pipe clamping plate. The base is detachably connected to a support. The first bearing plate is slidably arranged on the base. The first moving plate is slidably arranged on the support. The second moving plate is slidably arranged on the first moving plate. The first pipe clamping plate is located above the second moving plate. The first pipe clamping plate is detachably connected to the support. The second pipe clamping plates are arranged on both the second moving plate and the first pipe clamping plate. A plurality of the tool holders are arranged on the first bearing plate at intervals along its length direction. A cutting tool is arranged on every two adjacent tool holders. A heating component is arranged between every two adjacent tool holders. The first pushing mechanism is arranged on the base and is used to drive the first bearing plate to move. The second pushing mechanism is arranged on the first moving plate and is used to drive the second moving plate to move. The lifting plate is connected to the second pushing mechanism. One end of the lifting plate passes through the first moving plate and is detachably connected to the second moving plate. The lifting plate has a chute. The lifting seat is detachably connected to the first bearing plate and is arranged opposite to the lifting plate. A pulley is arranged on one side of the lifting seat opposite to the lifting plate. When the pulley is located in the chute, the pulley is in sliding fit with the chute.

[0007] On the basis of the above technical solution, the utility model can also be improved as follows.

[0008] Further, at least one limiting seat is detachably connected to the first moving plate.

[0009] Further, a plurality of pipe clamping blocks are provided on the sides of the second moving plate and the first pipe clamping plate away from the base. Each pipe clamping block has two first pipe clamping grooves and two second pipe clamping grooves. Each second moving plate has a third pipe clamping groove corresponding to each first pipe clamping groove, and each second moving plate has a fourth pipe clamping groove corresponding to each second pipe clamping groove.

[0010] Further, the tool holder includes a mounting seat, a second connecting seat, a movable frame, a roller, a tension spring and a first support plate. One or two first connecting holes are provided on the mounting seat, and two second connecting holes are provided on the cutting tool. The second connecting seat is detachably connected to the mounting seat. The movable frame is rotatably arranged on the second connecting seat. When the movable frame is assembled, the arc plate of the movable frame is sequentially inserted into the second connecting hole and the first connecting hole. The roller is rotatably arranged on the movable frame. One end of the tension spring is connected to the movable frame, and the other end of the tension spring is connected to the second connecting seat. The first support plate is provided below each roller, and the first support plate is detachably connected to the base. An inclined surface is provided at one end of the first support plate close to the first pipe clamping plate.

[0011] Further, the heating assembly includes a heating seat and a second electric heating tube. At least one second electric heating tube is provided on the heating seat, and the heating seat has a heating space extending towards the cutting tool.

[0012] Further, the pipe connecting and hot melting device includes two pipe pressing rods, and one pipe pressing rod is provided on each second pipe clamping plate.

[0013] Further, a limiting mechanism is provided at one end of each second pipe clamping plate where the pipe pressing rod is located. The limiting mechanism includes a box body, a pressing arm and an elastic member. The pressing arm is rotatably arranged in the box body, and the elastic member is arranged between the box body and the pressing arm.

[0014] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:

[0015] (1) The pipe connecting and hot melting device of the present application can realize automatic pipe connection without manual operation, which not only improves work efficiency but also can be contaminated by bacteria.

[0016] (2) After the fusion welding of the connecting pipe is completed in the present application, the pipe pressing rod can press the connecting pipe tightly, which can avoid the fusion joint being broken due to the influence of gravity.

[0017] (3) Through the action of the elastic member in this application, the pressing arm can not only apply a force to the second pipe clamping plate, but also restrict the movement of the second pipe clamping plate. The second pipe clamping plate can be tightened, so that the second pipe clamping plate tightens the connecting pipe to prevent the connecting pipe from falling off. At the same time, through the cooperation of the pressing arm and the elastic member, the pressing arm squeezes the elastic member or the elastic member pushes the pressing arm, thus facilitating the operation of the user. Description of the Drawings

[0018] Figure 1 It is the general assembly drawing of a pipe connection hot melting device provided in the embodiment of the present invention;

[0019] Figure 2 It is the structural schematic diagram of a perspective of the bracket in the embodiment of the present invention;

[0020] Figure 3 It is the structural schematic diagram of another perspective of the bracket in the embodiment of the present invention;

[0021] Figure 4 It is the structural schematic diagram of a perspective of the first moving plate in the embodiment of the present invention;

[0022] Figure 5 It is the structural schematic diagram of another perspective of the first moving plate in the embodiment of the present invention;

[0023] Figure 6 It is the structural schematic diagram of the first pushing mechanism in the embodiment of the present invention;

[0024] Figure 7 It is the structural schematic diagram of the second pushing mechanism in the embodiment of the present invention;

[0025] Figure 8 It is the structural schematic diagram of the lifting plate in the embodiment of the present invention;

[0026] Figure 9 It is the structural schematic diagram of a perspective of the second moving plate in the embodiment of the present invention;

[0027] Figure 10 It is the structural schematic diagram of another perspective of the second moving plate in the embodiment of the present invention;

[0028] Figure 11 It is Figure 10 The partial enlarged view at A in

[0029] Figure 12 It is the structural schematic diagram of the pipe clamping block in the embodiment of the present invention;

[0030] Figure 13 It is the structural schematic diagram of the second pipe clamping plate in the embodiment of the present invention;

[0031] Figure 14This is a schematic structural diagram of the tool holder in the embodiment of the present invention;

[0032] Figure 15 This is a partial schematic structural diagram of the tool holder in the embodiment of the present invention;

[0033] Figure 16 This is a schematic structure of the limiting mechanism in the embodiment of the present invention.

[0034] In the drawings, the list of components represented by each reference numeral is as follows:

[0035] 11, support; 60, pipe joint hot melting device; 61, bracket; 611, base; 612, first bearing plate; 613, first moving plate; 6131, limiting seat; 614, second moving plate; 6141, pipe clamping block; 61411, first pipe clamping groove; 61412, second pipe clamping groove; 615, first pipe clamping plate; 62, second pipe clamping plate; 621, third pipe clamping groove; 622, fourth pipe clamping groove; 63, tool holder; 631, mounting seat; 6311, first connection hole; 632, second connection seat; 633, movable frame; 6331, arc plate; 634, roller; 635, tension spring; 636, first support plate; 64, cutting tool; 641, second connection hole; 65, heating component; 651, heating seat; 652, second electric heating tube; 6511, heating space; 661, first pushing mechanism; 662, second pushing mechanism; 6621, nut seat; 67, lifting plate; 671, sliding groove; 68, lifting seat; 681, pulley; 69, pipe pressing rod; 691, limiting mechanism; 6911, box body; 6912, pressing arm; 6913, elastic member. Detailed implementation manners

[0036] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings. Embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present application belongs. The terms used in the description of the present application in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0038] It will be understood that spatial relationship terms such as "under", "below", "beneath", "underneath", "above", "over", etc. may be used herein to describe the relationship of one element or feature shown in the figures to other elements or features. It should be understood that, in addition to the orientation shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the figures is flipped, an element or feature described as "under other elements" or "beneath" or "underneath" it will be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "beneath" can include both an upper and a lower orientation. In addition, the device may also have other orientations (such as, rotated 90 degrees or other orientations), and the spatial descriptors used herein are to be interpreted accordingly.

[0039] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprises / comprising" or "has / have" etc. specify the presence of the stated features, integers, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts or combinations thereof.

[0040] Refer to the attached Figures 1 - 16As shown in the figure, the present utility model provides a technical solution: a pipe connection hot melting device 60, including a bracket 61, a second pipe clamping plate 62, a tool holder 63, a cutting tool 64, a heating assembly 65, a first pushing mechanism 661, a second pushing mechanism 662, a lifting plate 67 and a lifting seat 68. The bracket 61 includes a base 611, a first bearing plate 612, a first moving plate 613, a second moving plate 614 and a first pipe clamping plate 615. The base 611 is detachably connected to the support 11. The first bearing plate 612 is slidably arranged on the base 611. The first moving plate 613 is slidably arranged on the support 11. The second moving plate 614 is slidably arranged on the first moving plate 613. The first pipe clamping plate 615 is located above the second moving plate 614. The first pipe clamping plate 615 is detachably connected to the support 11. The second pipe clamping plate 62 is arranged on both the second moving plate 614 and the first pipe clamping plate 615. A plurality of tool holders 63 are arranged on the first bearing plate 612 at intervals along its length direction. A cutting tool 64 is arranged on every two adjacent tool holders 63. A heating assembly 65 is arranged between every two adjacent tool holders 63. The first pushing mechanism 661 is arranged on the base 611. The first pushing mechanism 661 is used to drive the first bearing plate 612 to move. The second pushing mechanism 662 is arranged on the first moving plate 613. The second pushing mechanism 662 is used to drive the second moving plate 614 to move. The lifting plate 67 is connected to the second pushing mechanism 662. One end of the lifting plate 67 passes through the first moving plate 613 and is detachably connected to the second moving plate 614. The lifting plate 67 has a sliding groove 671. The lifting seat 68 is detachably connected to the first bearing plate 612 and is arranged opposite to the lifting plate 67. A pulley 681 is arranged on the side of the lifting seat 68 opposite to the lifting plate 67. When the pulley 681 is located in the sliding groove 671, the pulley 681 is in sliding fit with the sliding groove 671.

[0041] Exemplarily, both the first pushing mechanism 661 and the second pushing mechanism 662 can be a cylinder, a hydraulic cylinder, an electric cylinder or an electric push rod, etc., or can be a structure composed of a motor, a lead screw and a nut seat 6621 or a lead screw linear module, etc. Among them, when the second pushing mechanism 662 can be a cylinder, a hydraulic cylinder, an electric cylinder or an electric push rod, etc., the lifting plate 67 is located on the telescopic end of the second pushing mechanism 662. When the second pushing mechanism 662 is a structure composed of a motor, a lead screw and a nut seat 6621 or a lead screw linear module, the lifting plate 67 is located on the nut seat 6621 or the nut seat 6621 of the lead screw linear module. A long hole for the lifting plate 67 to move is arranged on the first moving plate 613.

[0042] In this embodiment, during takeover, the first connecting pipe group is first inserted between the lower second pipe clamping plate 62 and the second moving plate 614, and then pushed upward continuously until the first connecting pipe group is inserted between the upper second pipe clamping plate 62 and the first pipe clamping plate 615. At the same time, the two conduits of the cryopreservation tube are inserted between the second pipe clamping plate 62 and the first pipe clamping plate 615 above, so that the conduits of the cryopreservation tube are parallel to the first connecting pipe group. The first pushing mechanism 661 drives the first bearing plate 612 to move in the first direction, so that the cutting knife 64 cuts off the connecting pipe; at the same time, the first pushing mechanism 661 drives the first bearing plate 612 to move in the first direction until the cutting knife 64 reaches the heating component 65, and at this time the heating component 65 heats the cutting knife 64; at the same time, the second pushing mechanism 662 drives the second moving plate 614 to drive the lower second pipe clamping plate 62 to move in the second direction, so that the connecting pipe corresponds to the two conduits of the cryopreservation tube one by one, and the lifting plate 67 and the pulley 681 are distributed relatively in the first direction. After the cutting knife 64 is heated, the first pushing mechanism 661 pushes the first bearing plate 612 to move in the first direction, so that the cutting knife 64 contacts the two conduits of the cryopreservation tube; at the same time, during the process that the pulley 681 enters the chute 671 and slides along the chute 671, affected by the height difference of the chute 671, the lifting plate 67 drives the second pushing mechanism 662 and the first moving plate 613 to move in the third direction, and the connecting pipes all contact the cutting knife 64. The cutting knife 64 performs hot melting on the connecting pipe and the two conduits of the cryopreservation tube. After the cutting knife 64 withdraws, the connecting pipe and the two conduits of the cryopreservation tube are welded in one-to-one correspondence. In this way, automatic takeover can be realized without manual operation, which not only improves work efficiency, but also can be contaminated by bacteria.

[0043] Refer to the appendix Figure 2 and 4 As shown, in some embodiments, at least one limiting seat 6131 is detachably connected to the first moving plate 613.

[0044] In this embodiment, when the first moving plate 613 moves upward, the limiting seat 6131 abuts against the base 611, which can limit the position of the first moving plate 613 and prevent the second moving plate 614 and the lower second pipe clamping plate 62 from colliding with the cutting knife 64 or the first pipe clamping plate 615 and the upper second pipe clamping plate 62.

[0045] Refer to the appendix Figure 2 、 4As shown in FIGS. 9 to 13, in some embodiments, a plurality of pipe clamping blocks 6141 are provided on the side of the second moving plate 614 and the first pipe clamping plate 615 away from the base 611. Each pipe clamping block 6141 has two first pipe clamping grooves 61411 and two second pipe clamping grooves 61412. Each second moving plate 614 has a third pipe clamping groove 621 corresponding to each first pipe clamping groove 61411, and each second moving plate 614 has a fourth pipe clamping groove 622 corresponding to each second pipe clamping groove 61412.

[0046] In this embodiment, the first pipe clamping groove 61411 and the third pipe clamping groove 621, and the second pipe clamping groove 61412 and the fourth pipe clamping groove cooperate together to form a plurality of pipe clamping holes. The pipe clamping holes can clamp two conduits of the connecting pipe or the frozen pipe, which can not only prevent the two conduits of the connecting pipe or the frozen pipe from shifting, but also prevent the two conduits of the connecting pipe or the frozen pipe from falling off.

[0047] Refer to the attached Figures 1 - 5 As shown in FIGS. 15 to 16, in some embodiments, the tool holder 63 includes a mounting base 631, a second connecting seat 632, a movable frame 633, a roller 634, a tension spring 635 and a first support plate 636. One or two first connecting holes 6311 are provided on the mounting base 631. Two second connecting holes 641 are provided on the cutting tool 64. The second connecting seat 632 is detachably connected to the mounting base 631. The movable frame 633 is rotatably provided on the second connecting seat 632. When the movable frame 633 is assembled, the arc plate 6331 of the movable frame 633 is sequentially inserted into the second connecting hole 641 and the first connecting hole 6311. The roller 634 is rotatably provided on the movable frame 633. One end of the tension spring 635 is connected to the movable frame 633, and the other end of the tension spring 635 is connected to the second connecting seat 632. A first support plate 636 is provided below each roller 634. The first support plate 636 is detachably connected to the base 611. One end of the first support plate 636 close to the first pipe clamping plate 615 is provided with an inclined surface.

[0048] Exemplarily, taking the perspective of the attached Figure 3 as an example, in the order from left to right, the first connecting holes 6311 of the two mounting bases 631 at the starting point and the ending point are one, and the second connecting holes 641 of the remaining mounting bases 631 are two. And the arc plate 6331 of the movable frame 633 is also configured in this way.

[0049] In this embodiment, when the first driving mechanism 661 drives the first carrier plate 612 to move in the first direction, the roller 634 rolls on the first support plate 636. When the roller 634 rolls to the inclined surface, the tension spring 635 contracts to drive the movable frame 633 to flip around the second connecting seat 632, and the movable frame 633 pushes the cutter 64 to perform a cutting action. When the roller 634 returns to the plane of the first support plate 636, the roller 634 pushes the movable frame 633 to flip around the second connecting seat 632, and the tension spring 635 stretches, enabling the action of retracting the cutter.

[0050] Referring to the attached Figures 1 - 3 As shown, in some embodiments, the heating assembly 65 includes a heating base 651 and a second electric heating tube 652. At least one second electric heating tube 652 is provided on the heating base 651, and the heating base 651 has a heating space 6511 extending towards the cutter 64.

[0051] In this embodiment, the second electric heating tube 652 heats the heating base 651, such that the heating base 651 has a certain temperature. When the cutter 64 enters the heating space 6511, the heating base 651 transfers heat to the cutter 64, so that the cutter 64 also has a certain temperature.

[0052] Referring to the attached Figure 3 and 13 As shown, in some embodiments, the pipe takeover hot melting device 60 includes two pipe pressing rods 69, and one pipe pressing rod 69 is provided on each second pipe clamping plate 62.

[0053] Exemplarily, each pipe pressing rod 69 is rotatably connected to the corresponding second pipe clamping plate 62.

[0054] In this embodiment, the two pipe pressing rods 69 further compress each first communication pipe group. When the connecting pipes are not welded, the connecting pipes can be avoided; when the connecting pipes are completely welded, the welded joints can be prevented from being pulled apart due to the influence of gravity.

[0055] Referring to the attached Figure 3 、 13 As shown in FIGS. 16, in some embodiments, a limiting mechanism 691 is provided at one end of each second pipe clamping plate 62 where the pipe pressing rod 69 is located. The limiting mechanism 691 includes a box body 6911, a pressing arm 6912, and an elastic member. The pressing arm 6912 is rotatably disposed within the box body 6911, and the elastic member is disposed between the box body 6911 and the pressing arm 6912.

[0056] Exemplarily, the elastic member can be a spring or a rubber elastic pad, etc.

[0057] In this embodiment, through the action of the elastic member, the pressing arm 6912 can not only apply a force to the second pipe clamping plate 62, but also restrict the movement of the second pipe clamping plate 62. The second pipe clamping plate 62 can be pressed to press the connecting pipe, preventing the connecting pipe from falling off. At the same time, through the cooperation of the pressing arm 6912 and the elastic member, the pressing arm 6912 squeezes the elastic member or the elastic member pushes the pressing arm 6912, thus facilitating the operation of the user.

[0058] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pipe hot-melt device, characterized in that: The invention comprises a bracket (61), a second clamping plate (62), a knife seat (63), a cutter (64), a heating component (65), a first pushing mechanism (661), a second pushing mechanism (662), a lifting plate (67) and a lifting seat (68); the bracket (61) comprises a base (611), a first bearing plate (612), a first movable plate (613), a second movable plate (614) and a first clamping plate (615); the base (611) is detachably connected to the support (11); the first bearing plate (612) is slidably arranged on the base (611); the second movable plate (614) and the first clamping plate (615) are detachably connected to the support (11); the first bearing plate (612) is slidably arranged on the base (611); the second movable plate (614) and the first clamping plate (615) are detachably connected to the support (11); the first bearing plate (612) is slidably arranged on the base (611); the first A movable plate (613) is slidably disposed on the support (11), the second movable plate (614) is slidably disposed on the first movable plate (613), the first clamping plate (615) is located above the second movable plate (614), the first clamping plate (615) is detachably connected to the support (11), the second movable plate (614) and the first clamping plate (615) are both provided with the second clamping plate (62), the first carrying plate (612) is provided with a plurality of knife seats (63) spaced apart along its length direction, and each adjacent two knife seats (63) are spaced apart from each other. The cutting knife (64) is provided on the knife seat (63), and the heating component (65) is provided between each two adjacent knife seats (63). The first pushing mechanism (661) is provided on the base (611), and the first pushing mechanism (661) is used to drive the first carrying plate (612) to move. The second pushing mechanism (662) is provided on the first movable plate (613), and the second pushing mechanism (662) is used to drive the second movable plate (614) to move. The lifting plate (67) is connected to the second pushing mechanism (662). One end of the lifting plate (67) passes through the first movable plate (613) and is detachably connected to the second movable plate (614); the lifting plate (67) is provided with a slide groove (671); the lifting seat (68) is detachably connected to the first supporting plate (612); and the lifting seat (68) is arranged opposite to the lifting plate (67); a pulley (681) is provided on the side of the lifting seat (68) opposite to the lifting plate (67); when the pulley (681) is located in the slide groove (671), the pulley (681) slides in cooperation with the slide groove (671).

2. A pipe hot-melt device according to claim 1, characterized in that: At least one limiting seat (6131) is detachably connected to the first movable plate (613).

3. A pipe hot-melt device according to claim 1, characterized in that: A plurality of tube clamping blocks (6141) are provided on one side of the second movable plate (614) and the first tube clamping plate (615) away from the base (611), each of the tube clamping blocks (6141) having two first tube clamping grooves (61411) and two second tube clamping grooves (61412), each of the second movable plates (614) having a third tube clamping groove (621) corresponding to each of the first tube clamping grooves (61411), and each of the second movable plates (614) having a fourth tube clamping groove (622) corresponding to each of the second tube clamping grooves (61412).

4. A pipe hot-melt device according to claim 3, characterized in that: The knife seat (63) comprises a mounting seat (631), a second connecting seat (632), a movable frame (633), a roller (634), a tension spring (635) and a first support plate (636); the mounting seat (631) is provided with one or two first connecting holes (6311); the cutter (64) is provided with two second connecting holes (641); the second connecting seat (632) is detachably connected to the mounting seat (631); the movable frame (633) is rotatably arranged on the second connecting seat (632); and when the movable frame (633) is assembled, the arc plate (633) of the movable frame (633) is 6331) are inserted into the second connecting hole (641) and the first connecting hole (6311) in sequence, the roller (634) is rotatably arranged on the movable frame (633), one end of the tension spring (635) is connected to the movable frame (633), and the other end of the tension spring (635) is connected to the second connecting seat (632), and the first supporting plate (636) is provided under each of the rollers (634), and the first supporting plate (636) is detachably connected to the base (611), and an inclined surface is provided at one end of the first supporting plate (636) close to the first clamping plate (615).

5. The pipe hot-melt device according to claim 1, characterized in that: The heating assembly (65) comprises a heating seat (651) and a second electric heating tube (652), at least one of the second electric heating tubes (652) is provided on the heating seat (651), and the heating seat (651) has a heating space (6511) extending toward the cutter (64).

6. A pipe hot-melt device according to claim 1, characterized in that: The pipe hot-melting device (60) comprises two pipe pressing rods (69), and each of the second pipe clamping plates (62) is provided with one of the pipe pressing rods (69).

7. A pipe hot-melt device according to claim 6, characterized in that: Each of the second tube clamping plates (62) is provided with a limiting mechanism (691) at one end of the tube pressing rod (69), and the limiting mechanism (691) comprises a box body (6911), a pressing arm (6912) and an elastic member, wherein the pressing arm (6912) is rotatably arranged in the box body (6911), and the elastic member is arranged between the box body (6911) and the pressing arm (6912).

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