Tool for installing pipe cutter

Abstract

The utility model discloses a tool for installing a pipe cutter, which comprises a working table, a clamping device, a fixing device and a fixing device, wherein the working table is provided with a containing groove for containing the pipe cutter; the positioning mechanism is used for positioning the pipe cutter at the mounting position; the first mounting mechanism is used for mounting the tail buckle on the tail part of the pipe cutter; the second mounting mechanism is used for mounting the shaft pin on the pipe cutter; wherein the workbench is provided with a containing cavity used for containing the tail buckle, the containing cavity is arranged close to the tail position of the pipe cutter in the containing groove and is provided with a first penetrating hole communicated with the containing groove, the containing cavity is further provided with a second penetrating hole coaxial with the first penetrating hole, and the first installation mechanism can penetrate through the second penetrating hole and is used for installing the tail buckle. And the tail buckle arranged in the accommodating cavity is assembled on the tail part of the pipe cutter arranged in the accommodating groove. Through multiple positioning and driving mechanisms, accurate and efficient installation of the pipe cutter and accessories of the pipe cutter is achieved, and the pipe cutter has the advantages of being reasonable in structure, convenient and fast to operate and high in automation degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to the installation technical field of pipe cutting knife especially relates to a tool for installing pipe cutting knife. BACKGROUND

[0002] Pipe cutting knife is a commonly used pipe cutting tool, which needs to be installed with a tail buckle and a shaft pin before use. The traditional pipe cutting knife installation method usually adopts manual installation, and the worker needs to manually assemble the tail buckle and the shaft pin to the pipe cutting knife. This way has the following problems: on the one hand, manual installation is inefficient and prone to assembly failure; on the other hand, workers are prone to injury during installation, which poses a safety hazard. In addition, due to the lack of special tooling, the consistency and stability of manual installation are difficult to guarantee, affecting the quality of the final product.

[0003] Therefore, there is an urgent need for a tooling specially used for pipe cutting knife installation, which can efficiently, safely and stably complete the assembly of pipe cutting knife. UTILITY MODEL CONTENTS

[0004] (I) Technical problem to be solved

[0005] The utility model solves the technical problem to provide a tooling for installing pipe cutting knife, which realizes accurate and efficient installation of pipe cutting knife and its accessories through multiple positioning and driving mechanisms, has the characteristics of reasonable structure, convenient operation and high automation, and solves the problems of low efficiency, poor safety and difficult to guarantee consistency in the prior art.

[0006] (II) Technical scheme

[0007] The utility model solves the above technical problems by adopting a tooling for installing pipe cutting knife, which comprises

[0008] A workbench with a receiving groove for receiving pipe cutting knife;

[0009] A positioning mechanism for positioning the pipe cutting knife at the installation position;

[0010] A first installation mechanism for installing the tail buckle on the tail of the pipe cutting knife;

[0011] A second installation mechanism for installing the shaft pin on the pipe cutting knife;

[0012] Wherein, the workbench is provided with a receiving cavity for receiving the tail buckle, the receiving cavity is arranged near the tail position of the pipe cutting knife in the receiving groove, and has a first through hole communicating with the receiving groove, and the receiving cavity is also provided with a second through hole coaxial with the first through hole, and the first installation mechanism can pass through the second through hole to assemble the tail buckle placed in the receiving cavity to the tail of the pipe cutting knife placed in the receiving groove.

[0013] By the above scheme, the installation base of the pipe cutting knife is provided through the workbench and the receiving groove; the positioning mechanism ensures the accurate position fixing of the pipe cutting knife during the installation process; the two installation mechanisms are respectively responsible for the installation of the tail buckle and the shaft pin, realizing the functional separation; the design of the receiving cavity, the first perforation and the second perforation makes the tail buckle installation process more convenient and accurate.

[0014] In some embodiments, the positioning mechanism comprises

[0015] a first limiting piece, which is arranged close to the length end of the pipe cutting knife and movably connected to the workbench and can approach or move away from the pipe cutting knife;

[0016] a second limiting piece, which is arranged close to the width end of the pipe cutting knife and movably connected to the workbench and can approach or move away from the pipe cutting knife;

[0017] The first limiting piece and the second limiting piece can cooperate to fix the pipe cutting knife in the receiving groove.

[0018] By the above scheme, the pipe cutting knife can be positioned and fixed from different directions (length end and width end), and the two limiting pieces can move towards or away from the pipe cutting knife, increasing the flexibility of the device, and the two limiting pieces are used in cooperation, improving the fixing stability of the pipe cutting knife in the receiving groove.

[0019] In some embodiments, the first installation mechanism comprises

[0020] a pushing piece, which can pass through the second perforation and push the tail buckle placed in the receiving cavity into the tail part of the pipe cutting knife placed in the receiving groove;

[0021] a first driving cylinder, which is connected to one end of the pushing piece away from the receiving cavity and can drive the pushing piece to make reciprocating movement along the axial direction of the first perforation and the second perforation.

[0022] By the above scheme, the pushing piece can accurately push the tail buckle into the tail part of the pipe cutting knife through the second perforation, the first driving cylinder realizes the automatic reciprocating movement of the pushing piece, improves the work efficiency, and the axial movement along the two perforations ensures the accuracy of the installation.

[0023] In some embodiments, a first connecting plate is connected to the output end of the first driving cylinder, the pushing piece and a first push rod are connected to the first connecting plate, and the other end of the first push rod can extend into the receiving groove and be connected to the first limiting piece.

[0024] The second limiting piece can extend into the accommodating groove to position the pipe cutting knife in the installation position; and an end of the second limiting piece away from the accommodating groove is connected with a second driving cylinder, and the second driving cylinder can drive the second limiting piece to be close to or away from the pipe cutting knife.

[0025] A second connecting plate is connected to an output end of the second driving cylinder, and the second limiting piece and a second push rod are connected to the second connecting plate, and the other end of the second push rod can extend into the accommodating groove and abut against the first limiting piece.

[0026] The first push rod and the second push rod abut against opposite sides of the first limiting piece, respectively.

[0027] Specifically, the first push rod and the second push rod are in inclined surface cooperation with the first limiting piece, and the movement directions of the first push rod and the second push rod are opposite, so that the horizontal movement of the first push rod and the second push rod along the length direction of the pipe cutting knife can be converted into the horizontal movement of the first limiting piece along the width direction of the pipe cutting knife to abut against the length end of the pipe cutting knife, thereby positioning the pipe cutting knife in the installation position.

[0028] By using the above scheme, the cooperation between the pushing piece and the limiting piece is enhanced by the first connecting plate and the first push rod; another positioning system is formed by the second limiting piece and the second driving cylinder; the first push rod and the second push rod abut against the first limiting piece from two sides, respectively, thereby providing a more stable positioning structure; and the multiple cylinder driving systems improve the automation degree and the operation precision.

[0029] In some embodiments, a moving block is fixed to the bottom of the first limiting piece, the workbench is provided with a mounting groove for mounting the moving block, and a first elastic piece is arranged in the mounting groove, one end of the first elastic piece abuts against the moving block and can give the moving block a tendency to always move away from the pipe cutting knife.

[0030] Specifically, the accommodating groove and the mounting groove are through to expose the moving block, and the top end of the moving block is flush with the bottom end of the accommodating groove, so that the synchronous movement of the first limiting piece and the moving block will not interfere with the pipe cutting knife; and the first limiting piece is fixed to the moving block by screws, facilitating disassembly and assembly.

[0031] By using the above scheme, the positioning stability is enhanced by the cooperation between the moving block at the bottom of the first limiting piece and the mounting groove; the first elastic piece provides a constant elastic force, so that the moving block always has a tendency to move away from the pipe cutting knife; and such an elastic structure can prevent excessive extrusion and protect the pipe cutting knife and the tool itself.

[0032] In some embodiments, the second mounting mechanism comprises

[0033] The positioning member has a placing hole for placing the shaft pin, and is arranged opposite to the pipe cutting knife and can move towards or away from the pipe cutting knife along the horizontal direction to move the placing hole with the shaft pin to the position right above the shaft pin hole of the pipe cutting knife;

[0034] The driving member is arranged right above the pipe cutting knife and can move towards or away from the pipe cutting knife along the vertical direction, and the driving member comprises a driving rod arranged opposite to the position right above the shaft pin hole of the pipe cutting knife to drag the shaft pin in the placing hole into the shaft pin hole of the pipe cutting knife.

[0035] In some embodiments, the positioning member has a magnetic attraction structure to realize the stability of the shaft pin in the placing hole.

[0036] Specifically, the shaft pin needs to be installed at both ends of the pipe cutting knife, and accordingly, two positioning members and two driving rods are arranged.

[0037] By the above scheme, the positioning member can move along the horizontal direction to accurately align the shaft pin hole of the pipe cutting knife, the driving member can move along the vertical direction to realize the installation of the shaft pin from top to bottom, and the cooperation of the placing hole and the driving rod makes the installation of the shaft pin more accurate and controllable.

[0038] In some embodiments, the driving member is provided with a third push rod at the end away from the pipe cutting knife, the third push rod is arranged opposite to the position right above the positioning member and has a first inclined end surface, the positioning member is provided with a second inclined end surface matched with the first inclined end surface to enable the vertical downward movement of the driving member to drive the positioning member to move towards the pipe cutting knife, and the workbench is provided with a second elastic member, one end of the second elastic member abuts against the positioning member and can give the positioning member a tendency to always move away from the pipe cutting knife.

[0039] The second mounting mechanism further comprises a third driving cylinder connected with the driving member, and the third driving cylinder can drive the driving member to move back and forth along the vertical direction.

[0040] In some embodiments, the first driving cylinder, the second driving cylinder and the third driving cylinder operate simultaneously, and through the setting of different strokes, the installation of the tail buckle and the shaft pin can be realized after the positioning mechanism positions the pipe cutting knife, so as to realize the accuracy of installation.

[0041] By the above scheme, the cooperation of the first inclined end surface of the third push rod and the second inclined end surface of the positioning member enables the vertical movement to be converted into the horizontal movement, the second elastic member provides a return force to ensure that the positioning member moves away from the pipe cutting knife in the non-working state, and the third driving cylinder realizes the automatic vertical reciprocating movement of the driving member.

[0042] In some embodiments, the workbench is provided with a sliding groove for accommodating the positioning member, the positioning member can slide along the sliding groove to approach or move away from the pipe cutting knife; the workbench is provided with a mounting cavity below the sliding groove, the second elastic member is arranged in the mounting cavity, and the positioning member is provided with a matching member capable of extending into the mounting cavity, one end of the second elastic member abuts against the matching member, and the other end abuts against the wall of the mounting cavity close to the pipe cutting knife.

[0043] By the above scheme, the sliding groove makes the horizontal movement of the positioning member more stable and accurate; the mounting cavity and the matching member enhance the connection stability of the second elastic member and the positioning member, and can also prevent the positioning member from disengaging from the sliding groove; the overall structure is more compact and reasonable, and the installation error is reduced.

[0044] In some embodiments, the rear of the workbench is detachably connected with a mounting plate capable of closing the sliding groove.

[0045] In some embodiments, the mounting plate is provided with two mounting columns near the mounting groove, and the two first elastic members are fixed on the mounting columns.

[0046] By the above scheme, the detachable mounting plate closes the sliding groove to prevent dust and sundries from entering; it is convenient to maintain and overhaul the internal structure of the sliding groove; and the overall structural strength of the tooling is enhanced.

[0047] In some embodiments, the workbench is provided with a positioning column, the positioning column is vertically arranged on the workbench, and the driving member is adapted to the positioning column and can move up and down along the positioning column.

[0048] By the above scheme, the driving member can stably move up and down along the positioning column; the vertical movement is more accurate, and the installation deviation is reduced; the structure is simple and reliable, and is convenient to maintain.

[0049] (Three) beneficial effects

[0050] Compared with the prior art, the utility model discloses a tooling for installing pipe cutting knife,

[0051] (1) the utility model provides the installation basis of pipe cutting knife through workbench and accommodating groove;The positioning mechanism ensures that the position of the pipe cutting knife is accurately fixed during installation;Two installation mechanisms are responsible for the installation of the tail buckle and the shaft pin respectively, realizing function separation;The design of the accommodating cavity, the first perforation and the second perforation makes the tail buckle installation process more convenient and accurate;

[0052] (2) the positioning mechanism of the utility model can position and fix the pipe cutting knife from different directions (length end and width end), the two limit members can approach or move away from the pipe cutting knife, increasing the flexibility of the device, and the two limit members are used in cooperation, improving the fixing stability of the pipe cutting knife in the accommodating groove;

[0053] (3) The pushing piece of the utility model can accurately push the tail buckle into the tail part of the pipe cutting knife through the second through hole, the first driving cylinder realizes the automatic reciprocating movement of the pushing piece, improves the work efficiency, and ensures the installation accuracy through the axial movement along the two through holes;

[0054] (4) The utility model discloses a first connecting plate and first push rod enhance the cooperation of pushing piece and limiting piece, second limiting piece and second driving cylinder form another set of positioning system, first push rod and second push rod abut from both sides first limiting piece respectively, provide more stable positioning structure, multiple cylinder driving system improves the automation degree and operation accuracy;

[0055] (5) The utility model discloses the cooperation of the moving block at the bottom of first limiting piece and installation slot, enhances the positioning stability, first elastic piece provides constant elastic force, makes the moving block always have the tendency of moving away from the pipe cutting knife, and this elastic structure can prevent excessive extrusion, and protect the pipe cutting knife and tool itself;

[0056] (6) The utility model discloses the cooperation of the first inclined end face of third push rod and the second inclined end face of positioning piece makes the vertical movement into horizontal movement, second elastic piece provides return force, ensures that positioning piece is away from the pipe cutting knife in non-working state, and third driving cylinder realizes the automatic vertical reciprocating movement of driving piece. BRIEF DESCRIPTION OF DRAWINGS

[0057] In order to more clearly illustrate the technical scheme of the embodiment of the present application, the drawings needed in the embodiment will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0058] Figure 1 It is a schematic diagram of the tool for installing the pipe cutting knife and the assembly of the pipe cutting knife of the utility model;

[0059] Figure 2 It is a schematic diagram of the structure of the tool for installing the pipe cutting knife of the utility model;

[0060] Figure 3 It is another angle schematic diagram of the structure of the tool for installing the pipe cutting knife of the utility model;

[0061] Figure 4 It is Figure 3 The cross-sectional view at A-A in Fig. 1;

[0062] Figure 5 It is Figure 3 The cross-sectional view at B-B in Fig. 1;

[0063] Figure 6 For Figure 3 Cross-sectional view at C-C.

[0064] Corresponding component names of various reference numerals in the drawings are as follows: 10, pipe cutting knife; 20, tail buckle; 30, shaft pin; 40, shaft pin hole; 100, workbench; 101, accommodating groove; 102, accommodating cavity; 1021, first through hole; 1022, second through hole; 103, mounting groove; 104, sliding groove; 105, mounting cavity; 106, positioning column; 200, first limiting piece; 2001, screw; 201, second limiting piece; 202, moving block; 300, pushing piece; 301, first connecting plate; 302, first push rod; 303, second connecting plate; 304, second push rod; 400, first elastic piece; 500, positioning piece; 5001, second inclined end face; 5002, matching piece; 501, placing hole; 502, driving piece; 5021, driving rod; 5022, third push rod; 5022a, first inclined end face; 600, second elastic piece; 700, mounting plate; 701, mounting column. DETAILED DESCRIPTION

[0065] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0066] In the description of the present application, it should be noted that, unless explicitly specified and limited, the terms "mounting", "connecting", and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0067] The embodiments of the present application will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. The present application can also be implemented or applied by other different specific embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following examples and features in the examples can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0068] It is noted that various aspects of the embodiments described below are within the scope of the claims. It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the teachings herein one skilled in the art should appreciate that an aspect described herein can be implemented independently of any other aspects and that an aspect described herein can be implemented both as any stand-alone aspect or in combination with other aspects. An apparatus can be implemented or a method can be practiced using any number of the aspects described herein. In addition, the scope of the application is intended to embrace alternative arrangements and structures.

[0069] It is also noted that the illustrative figures can show schematic illustrations of the basic concept of the application, the drawings only show components that are related to the present application and are not drawn to scale with respect to the number, shape and size of the components, the actual implementation of each component can be a change in the type, number and proportion, and the layout of the components can be more complex.

[0070] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that the examples can be practiced without these specific details.

[0071] The technical solutions provided by the embodiments of the present application are described below in conjunction with the drawings.

[0072] As Figures 1-6The utility model provides a kind of tool for installing pipe cutting knife, including workbench 100, it has for accommodating pipe cutting knife 10 accommodating groove 101;Positioning mechanism is used to position pipe cutting knife 10 in installation position;First installation mechanism, it is used to install tail buckle 20 to the tail portion of pipe cutting knife 10;Second installation mechanism, it is used to install shaft pin 30 to pipe cutting knife 10;Wherein, the workbench 100 is provided with for accommodating tail buckle 20 accommodating cavity 102, the accommodating cavity 102 is close to the tail portion position of pipe cutting knife 10 in the accommodating groove 101 setting, and it has with the first perforation 1021 of the communicating passage of accommodating groove 101, and, the accommodating cavity 102 is also provided with the second perforation 1022 coaxial with the first perforation 1021, the first installation mechanism can pass through the second perforation 1022, to assemble tail buckle 20 placed in the accommodating cavity 102 to the tail portion of pipe cutting knife 10 placed in the accommodating groove 101.Using the above scheme, the installation basis of pipe cutting knife 10 is provided by workbench 100 and accommodating groove 101;Positioning mechanism ensures that the position of pipe cutting knife 10 is accurately fixed during installation;Two installation mechanisms are responsible for the installation of tail buckle 20 and shaft pin 30 respectively, realize function separation;The design of accommodating cavity 102, first perforation 1021 and second perforation 1022 makes tail buckle 20 installation process more convenient and accurate.

[0073] In some embodiments, the positioning mechanism includes a first limiting piece 200, which is close to the length end of pipe cutting knife 10 and is movably connected to the workbench 100 and can approach or move away from pipe cutting knife 10;Second limiting piece 201, which is close to the width end of pipe cutting knife 10 and is movably connected to the workbench 100 and can approach or move away from pipe cutting knife 10;The first limiting piece 200 and the second limiting piece 201 can cooperate to fix pipe cutting knife 10 in the accommodating groove 101.Using the above scheme, pipe cutting knife 10 can be positioned and fixed from different directions (length end and width end). The two limiting pieces can be movably close to or away from pipe cutting knife 10, increasing the flexibility of the device. The use of two limiting pieces improves the stability of pipe cutting knife 10 in the accommodating groove 101.

[0074] In some embodiments, the first mounting mechanism comprises a pushing member 300 capable of passing through the second through hole 1022 and pushing the tail buckle 20 placed in the receiving cavity 102 into the tail of the pipe cutting knife 10 placed in the receiving groove 101; a first driving cylinder connected at one end of the pushing member 300 away from the receiving cavity 102 and capable of driving the pushing member 300 to move back and forth along the axial direction of the first through hole 1021 and the second through hole 1022. With the above scheme, the pushing member 300 can accurately push the tail buckle 20 into the tail of the pipe cutting knife 10 through the second through hole 1022, and the first driving cylinder realizes the automatic back-and-forth movement of the pushing member 300, improving the work efficiency, and the axial movement along the two through holes ensures the accuracy of the installation. In some embodiments, a first connecting plate 301 is connected to the output end of the first driving cylinder, the pushing member 300 and a first push rod 302 are connected to the first connecting plate 301, the other end of the first push rod 302 can extend into the receiving groove 101 and abut against the first limiting member 200; the second limiting member 201 can extend into the receiving groove 101 to position the pipe cutting knife 10 at the installation position; and one end of the second limiting member 201 away from the receiving groove 101 is connected with a second driving cylinder, the second driving cylinder can drive the second limiting member 201 to move closer to or away from the pipe cutting knife 10; a second connecting plate 303 is connected to the output end of the second driving cylinder, the second limiting member 201 and a second push rod 304 are connected to the second connecting plate 303, and the other end of the second push rod 304 can extend into the receiving groove 101 and abut against the first limiting member 200; the first push rod 302 and the second push rod 304 abut against the opposite sides of the first limiting member 200, respectively. Specifically, the first push rod 302 and the second push rod 304 are in inclined surface cooperation with the first limiting member 200, and the movement directions of the first push rod 302 and the second push rod 304 are opposite, so that the horizontal movement of the first push rod 302 and the second push rod 304 along the length direction of the pipe cutting knife 10 can be converted into the horizontal movement of the first limiting member 200 along the width direction of the pipe cutting knife 10 to abut against the length end of the pipe cutting knife 10, thereby positioning the pipe cutting knife 10 at the installation position. With the above scheme, the cooperation between the pushing member 300 and the limiting member is enhanced through the first connecting plate 301 and the first push rod 302; the second limiting member 201 and the second driving cylinder form another positioning system; the first push rod 302 and the second push rod 304 abut against the first limiting member 200 from both sides, respectively, providing a more stable positioning structure; and the multiple cylinder driving systems improve the degree of automation and operation precision.

[0075] In some embodiments, the bottom of the first limiting piece 200 is fixed with a moving block 202, the workbench 100 is provided with a mounting groove 103 for mounting the moving block 202, and the mounting groove 103 is provided with a first elastic piece 400, one end of the first elastic piece 400 abuts against the moving block 202 and can give the moving block 202 a tendency of always moving away from the pipe cutting knife 10. Specifically, the accommodation groove 101 and the mounting groove 103 are through to expose the moving block 202, and the top end of the moving block 202 is flush with the bottom end of the accommodation groove 101, so that the synchronous movement of the first limiting piece 200 driving the moving block 202 will not interfere with the pipe cutting knife 10; and the first limiting piece 200 is fixed on the moving block 202 by a screw 2001, facilitating disassembly. With the above scheme, the moving block 202 at the bottom of the first limiting piece 200 cooperates with the mounting groove 103, enhancing the positioning stability; the first elastic piece 400 provides a constant elastic force, so that the moving block 202 always has a tendency of moving away from the pipe cutting knife 10; such an elastic structure can prevent excessive extrusion and protect the pipe cutting knife 10 and the tool itself.

[0076] In some embodiments, the second mounting mechanism includes a positioning piece 500 having a placement hole 501 for placing the shaft pin 30; and the positioning piece 500 is oppositely arranged above the pipe cutting knife 10 and can move close to or away from the pipe cutting knife 10 along the horizontal direction to move the placement hole 501 in which the shaft pin 30 is placed to directly above the shaft pin hole 40 of the pipe cutting knife 10; a driving piece 502 is arranged directly above the pipe cutting knife 10 and can move close to or away from the pipe cutting knife 10 along the vertical direction; and the driving piece 502 includes a driving rod 5021 which is oppositely arranged directly above the shaft pin hole 40 of the pipe cutting knife 10 to drag the shaft pin 30 in the placement hole 501 into the shaft pin hole 40 of the pipe cutting knife 10. In some embodiments, the positioning piece 500 has a magnetic attraction structure to realize the stability of the shaft pin 30 in the placement hole 501. Specifically, the two ends of the pipe cutting knife 10 need to be installed with the shaft pin 30, and accordingly, two positioning pieces 500 and two driving rods 5021 are arranged. With the above scheme, the positioning piece 500 can move in the horizontal direction and accurately align the shaft pin hole 40 of the pipe cutting knife 10; the driving piece 502 can move in the vertical direction and realize the installation of the shaft pin 30 from top to bottom; and the cooperation of the placement hole 501 and the driving rod 5021 makes the installation of the shaft pin 30 more accurate and controllable.

[0077] In some embodiments, the driving member 502 is provided with two third push rods 5022 at the end close to the positioning member 500 and away from the pipe cutting knife 10, the two third push rods 5022 are oppositely arranged above the two positioning members 500 and have first inclined end faces 5022a; the positioning member 500 is provided with second inclined end faces 5001 matched with the first inclined end faces 5022a, so that the vertical downward movement of the driving member 502 can drive the positioning member 500 to move close to the pipe cutting knife 10; and the workbench 100 is provided with two second elastic members 600, one end of the second elastic member 600 abuts against the positioning member 500 and can give the positioning member 500 a tendency to always move away from the pipe cutting knife 10; the second mounting mechanism further comprises a third driving cylinder connected with the driving member 502, and the third driving cylinder can drive the driving member 502 to make reciprocating movement along the vertical direction. In some embodiments, the first driving cylinder, the second driving cylinder and the third driving cylinder operate simultaneously; and by setting different strokes, the installation of the tail buckle 20 and the shaft pin 30 can be realized after the positioning member positions the pipe cutting knife 10, so as to realize the precision of installation. By using the above scheme, the cooperation of the first inclined end faces 5022a of the third push rods 5022 and the second inclined end faces 5001 of the positioning member 500 can convert the vertical movement into horizontal movement; the second elastic member 600 provides a return force to ensure that the positioning member 500 moves away from the pipe cutting knife 10 in the non-working state; and the third driving cylinder realizes the automatic vertical reciprocating movement of the driving member 502.

[0078] In some embodiments, the workbench 100 is provided with a sliding groove 104 for accommodating the positioning member 500, the positioning member 500 can slide along the sliding groove 104 to approach or move away from the pipe cutting knife 10; the workbench 100 is provided with a mounting cavity 105 below the sliding groove 104, the mounting cavity 105 is provided with the second elastic member 600, and the positioning member 500 is provided with a matching member 5002 capable of extending into the mounting cavity 105, one end of the second elastic member 600 abuts against the matching member 5002, and the other end abuts against the wall of the mounting cavity 105 close to the side of the pipe cutting knife 10. With the above scheme, the sliding groove 104 makes the horizontal movement of the positioning member 500 more stable and accurate; the mounting cavity 105 and the matching member 5002 enhance the connection stability of the second elastic member 600 and the positioning member 500, and can also prevent the positioning member 500 from disengaging from the sliding groove 104; the overall structure is more compact and reasonable, and the installation error is reduced. In some embodiments, the rear of the workbench 100 is detachably connected with a mounting plate 700 capable of closing the sliding groove 104. In some embodiments, the mounting plate 700 is provided with two mounting columns 701 close to the mounting groove 103, and two first elastic members 400 are fixed on the mounting columns 701. With the above scheme, the detachable mounting plate 700 closes the sliding groove 104 to prevent dust and sundries from entering; it is convenient to maintain and overhaul the internal structure of the sliding groove 104; and the overall structural strength of the tooling is enhanced. In some embodiments, the workbench 100 is provided with a positioning column 106, the positioning column 106 is arranged vertically on the workbench 100, and the driving member 502 is adapted to the positioning column 106 and can move up and down along the positioning column 106. With the above scheme, the driving member 502 can stably move up and down along the positioning column 106; the vertical movement is more accurate, the installation deviation is reduced; the structure is simple and reliable, and is convenient to maintain.

[0079] In the specification, the same or similar parts among various embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments.

[0080] The above is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A tool for mounting a pipe cutting knife, characterised in that: The utility model relates to a tool for installing pipe cutting knife, which comprises a workbench (100) with a receiving groove (101) for receiving the pipe cutting knife (10), a positioning mechanism for positioning the pipe cutting knife (10) in an installation position, a first installation mechanism for installing a tail clamp (20) on the tail of the pipe cutting knife (10), and a second installation mechanism for installing a shaft pin (30) on the pipe cutting knife (10). The workbench (100) is provided with a receiving cavity (102) for receiving the tail clamp (20), which is arranged near the tail position of the pipe cutting knife (10) in the receiving groove (101) and has a first through hole (1021) penetrating through the receiving groove (101), and the receiving cavity (102) is further provided with a second through hole (1022) coaxial with the first through hole (1021), and the first installation mechanism can pass through the second through hole (1022) to assemble the tail clamp (20) placed in the receiving cavity (102) to the tail of the pipe cutting knife (10) placed in the receiving groove (101). The positioning mechanism comprises a first limiting piece (200) arranged near the length end of the pipe cutting knife (10) and movably connected to the workbench (100) and capable of approaching or moving away from the pipe cutting knife (10), and a second limiting piece (201) arranged near the width end of the pipe cutting knife (10) and movably connected to the workbench (100) and capable of approaching or moving away from the pipe cutting knife (10). The first limiting piece (200) and the second limiting piece (201) cooperate to fix the pipe cutting knife (10) in the receiving groove (101). The first installation mechanism comprises a pushing piece (300) capable of passing through the second through hole (1022) and pushing the tail clamp (20) placed in the receiving cavity (102) into the tail of the pipe cutting knife (10) placed in the receiving groove (101), a first drive cylinder connected to one end of the pushing piece (300) away from the receiving cavity (102) and capable of driving the pushing piece (300) to move back and forth along the axial direction of the first through hole (1021) and the second through hole (1022).

4. The tool for installing pipe cutting knife according to claim 3, wherein:

2. The tooling for mounting a pipe cutting knife of claim 1, wherein: the output end of the first drive cylinder is connected with a first connecting plate (301), the pushing piece (300) and a first push rod (302) are connected to the first connecting plate (301), and the other end of the first push rod (302) can extend into the receiving groove (101) and be connected to the first limiting piece (200); the second limiting piece (201) can extend into the receiving groove (101) to position the pipe cutting knife (10) in the installation position, and the other end of the second limiting piece (201) away from the receiving groove (101) is connected with a second drive cylinder capable of driving the second limiting piece (201) to approach or move away from the pipe cutting knife (10). ​ ​ 3. The tooling for mounting a pipe cutting knife of claim 2, wherein: ​ ​ ​ ​ ​ ​ The output end of the second driving cylinder is connected with a second connecting plate (303), the second connecting plate (303) is connected with the second limiting piece (201) and a second push rod (304), the other end of the second push rod (304) can extend into the accommodating groove (101) and abut against the first limiting piece (200); The first push rod (302) and the second push rod (304) abut against the opposite sides of the first limiting piece (200) respectively.

5. The tooling for mounting a pipe cutting knife of claim 4, wherein: The bottom of the first limiting piece (200) is fixed with a moving block (202), the workbench (100) is provided with a mounting groove (103) for mounting the moving block (202), and a first elastic piece (400) is arranged in the mounting groove (103), one end of the first elastic piece (400) abuts against the moving block (202) and can give the moving block (202) a tendency of always moving away from the pipe cutting knife (10).

6. The tooling for mounting a pipe cutting knife of claim 2, wherein: The second mounting mechanism comprises A positioning piece (500) having a placing hole (501) for placing the shaft pin (30), and the positioning piece (500) is oppositely arranged above the pipe cutting knife (10) and can move close to or away from the pipe cutting knife (10) along the horizontal direction to move the placing hole (501) in which the shaft pin (30) is placed to directly above the shaft pin hole (40) of the pipe cutting knife (10); A driving piece (502) arranged directly above the pipe cutting knife (10) and capable of moving close to or away from the pipe cutting knife (10) along the vertical direction, and the driving piece (502) comprises a driving rod (5021) oppositely arranged directly above the shaft pin hole (40) of the pipe cutting knife (10) to drag the shaft pin (30) in the placing hole (501) into the shaft pin hole (40) of the pipe cutting knife (10).

7. The tooling for mounting a pipe cutting knife of claim 6, wherein: The end of the driving piece (502) away from the pipe cutting knife (10) is provided with a third push rod (5022) arranged above the positioning piece (500) and having a first inclined end surface (5022a), the positioning piece (500) is provided with a second inclined end surface (5001) matched with the first inclined end surface (5022a) to enable the vertical downward movement of the driving piece (502) to drive the positioning piece (500) to move close to the pipe cutting knife (10), and the workbench (100) is provided with a second elastic piece (600), one end of the second elastic piece (600) abuts against the positioning piece (500) and can give the positioning piece (500) a tendency of always moving away from the pipe cutting knife (10); The second mounting mechanism further comprises a third driving cylinder connected with the driving piece (502), and the third driving cylinder can drive the driving piece (502) to move back and forth along the vertical direction.

8. The tooling for mounting a pipe cutting knife of claim 7, wherein: The workbench (100) is provided with a sliding groove (104) for accommodating the positioning member (500), the positioning member (500) can slide along the sliding groove (104) to approach or move away from the pipe cutting knife (10); the workbench (100) is provided with a mounting cavity (105) below the sliding groove (104), the mounting cavity (105) is provided with the second elastic member (600), and the positioning member (500) is provided with a matching member (5002) capable of extending into the mounting cavity (105), one end of the second elastic member (600) abuts against the matching member (5002), and the other end abuts against the wall of the mounting cavity (105) close to the pipe cutting knife (10).

9. The tooling for mounting a pipe cutting knife of claim 8, wherein: The rear of the workbench (100) is detachably connected with a mounting plate (700) capable of closing the sliding groove (104).

10. The tooling for mounting a pipe cutting knife of claim 6, wherein: The workbench (100) is provided with a positioning column (106), the positioning column (106) is vertically arranged on the workbench (100), the driving member (502) is adapted on the positioning column (106), and can move up and down along the positioning column (106).

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