Heat shrink tube cutting device

Abstract

The utility model relates to the technical field of copper foil connecting pieces, and discloses a heat shrink tube cutting device which comprises a supporting base, one end of the upper surface of the supporting base is detachably connected with a cutting base, a lower clamping groove is formed in the upper surface of the cutting base, a lower blade is embedded in the lower clamping groove, and a cutting upper die is arranged over the cutting base. An upper clamping groove is formed in the lower surface of the upper cutting die; through cooperation of a handle, a cutting base, a cutting upper base, an upper blade, a lower blade, a stand column, a positioning block and a connecting column, the handle is shifted to conveniently drive an adjusting gear to be matched with a tooth groove in the connecting column, so that the connecting column drives a cutting upper die to descend, the upper blade and the lower blade cut a heat shrink tube, the uniformity of a notch is guaranteed, the cutting efficiency is high, and the practicability is high. And meanwhile, the upper blade and the lower blade are prevented from damaging the surface of the product through the limiting block, the cutting consistency is good, and then the production efficiency of the product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of copper foil connecting sheets, in particular to a heat shrink tube cutting device. Background Art

[0002] Soft connectors are used for fixed connection between electrical components to facilitate heat dissipation and electrical connection. They are widely used in metallurgy, chemical industry, turbine transformer engineering, and power equipment. Copper foil soft connectors are made of thick copper foil as raw material. The copper foil laminated parts are pressed together, and then heated by high current and high temperature of a polymer diffusion welder to split, melt, and press weld them into shape. They are mainly used for flexible connection between copper busbars and generator sets, transformers, and other large conductive equipment. Copper foil soft connectors use high-quality T2 copper or oxygen-free copper strips. Copper strips are also copper foils, which are a kind of metal component. Copper strips are the main material for making conductive connectors, copper strip soft connectors. During processing, the copper strips are cut into sections, and multiple layers are superimposed and melted and pressed by a polymer diffusion welder. The melt-pressed connectors need to be protected by heat shrink tubing in order to improve the corrosion resistance of the connectors and thus increase their service life.

[0003] After the traditional heat shrink tube is installed, there may be excess length, which needs to be manually marked before cutting. Manual cutting will cause the cutting surface of the heat shrink tube to be uneven, resulting in poor consistency, which in turn affects the aesthetics of the product. Therefore, we need to propose a heat shrink tube cutting device. Utility Model Content

[0004] The purpose of the utility model is to provide a heat shrink tube cutting device, which has accurate cutting position, high efficiency, no damage to the product surface, and good consistency compared to traditional manual heat shrink tube cutting, so as to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a heat shrink tube cutting device, comprising:

[0006] A support base, one end of the upper surface of the support base is detachably connected to a cutting base, a lower card slot is provided on the upper surface of the cutting base, a lower blade is embedded in the lower card slot, a cutting upper die is arranged directly above the cutting base, an upper card slot is provided on the lower surface of the cutting upper die, an upper blade is embedded in the upper card slot, and a connecting seat is fixedly connected to the upper surface of the cutting upper die;

[0007] A positioning block, wherein a mounting hole is formed on the upper surface of the positioning block, a column fixedly connected to the other end of the upper surface of the support base is arranged inside the mounting hole, an upper sliding sleeve is detachably connected to the other end of the upper surface of the positioning block, and a connecting column fixedly connected to the upper end of the connecting seat is slidably inserted inside the upper sliding sleeve;

[0008] One side of the positioning block is detachably connected with a sealing disc, an adjusting gear is rotatably connected between the positioning block and the sealing disc, one end of the adjusting gear is threadedly connected with a handle, and a tooth groove meshing with the adjusting gear is formed on the outer side of the connecting column.

[0009] Preferably, the upper blade is arranged directly above the lower blade, two groups of upper pressing bolt holes are formed on one side of the upper cutting die, and two groups of lower pressing bolt holes are formed on one side of the cutting base.

[0010] Preferably, a heat shrinkable tube placement groove is formed on the upper surface of the cutting base, a limiting block is arranged inside the heat shrinkable tube placement groove, two groups of adjusting frames are symmetrically and fixedly connected to one side of the limiting block, and a plurality of groups of adjusting screw holes are formed at the bottom of the heat shrinkable tube placement groove.

[0011] Preferably, the upper end of the connecting column is fixedly connected with a limiting plate, a limiting bolt hole is formed at one end of the upper surface of the limiting plate, and a fixing seat is arranged directly above the upper cutting die.

[0012] Preferably, two groups of optical axes are symmetrically inserted on the upper surface of the cutting base, the upper ends of the two groups of optical axes are fixedly connected to both ends of the lower surface of the fixing seat, and the cross section of the fixing seat is arranged in a C shape.

[0013] Preferably, a lower sliding sleeve for the two groups of optical axes to slide and insert is installed on the upper surface of the upper cutting die, two groups of locking bolts are threadedly connected to one side of the positioning block, and a sandwich layer for the two groups of locking bolts to penetrate is formed on the side of the positioning block adjacent to the sealing disc.

[0014] Preferably, locking bottom holes are formed at both ends of the upper surface of the support base, locking side holes communicated with the locking bottom holes are formed on both sides of the cutting base, and both the locking bottom holes and the locking side holes are arranged in a stepped shape.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model mainly realizes the cooperation among the handle, the cutting base, the upper cutting seat, the upper blade, the lower blade, the column, the positioning block and the connecting column. By拨动 the handle, it is convenient to drive the adjusting gear to fit with the tooth groove on the connecting column, so that the connecting column drives the upper cutting die to descend, and the upper blade and the lower blade cut the heat shrinkable tube, ensuring the neatness of the cut, high cutting efficiency. At the same time, the limiting block is used to prevent the upper blade and the lower blade from damaging the surface of the product, and the cutting consistency is good, thereby improving the production efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall right rear view structure of the utility model;

[0018] Figure 2It is a schematic diagram of the overall right front structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the limit block structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the cutting base structure of the utility model.

[0021] In the figure: 1. Support base; 2. Post; 3. Positioning block; 4. Mounting hole; 5. Locking bolt; 6. Sealing disk; 7. Adjusting gear; 8. Handle; 9. Interlayer; 10. Connecting column; 11. Upper sliding sleeve; 12. Limiting plate; 13. Limiting bolt hole; 14. Connecting seat; 15. Tooth groove; 16. Cutting upper die; 17. Lower sliding sleeve; 18. Upper clamping groove; 19. Upper blade; 20. Upper clamping bolt hole; 21. Cutting base; 22. Heat shrink tube placement groove; 23. Locking side hole; 24. Locking bottom hole; 25. Lower clamping groove; 26. Lower blade; 27. Lower clamping bolt hole; 28. Optical axis; 29. ​​Fixed seat; 30. Adjusting screw hole; 31. Limiting block; 32. Adjusting frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a heat shrink tube cutting device, comprising:

[0024] A support base 1, one end of the upper surface of the support base 1 is detachably connected to a cutting base 21, a lower card slot 25 is provided on the upper surface of the cutting base 21, a lower blade 26 is embedded in the lower card slot 25, a cutting upper die 16 is arranged directly above the cutting base 21, an upper card slot 18 is provided on the lower surface of the cutting upper die 16, an upper blade 19 is embedded in the upper card slot 18, and a connecting seat 14 is fixedly connected to the upper surface of the cutting upper die 16;

[0025] A positioning block 3, the upper surface of which is provided with a mounting hole 4, a column 2 fixedly connected to the other end of the upper surface of the support base 1 is arranged inside the mounting hole 4, an upper sliding sleeve 11 is detachably connected to the other end of the upper surface of the positioning block 3, and a connecting column 10 fixedly connected to the upper end of the connecting seat 14 is slidably inserted inside the upper sliding sleeve 11;

[0026] One side of the positioning block 3 is detachably connected with a sealing disc 6. A regulating gear 7 is rotatably connected between the positioning block 3 and the sealing disc 6. One end of the regulating gear 7 is threadedly connected with a handle 8. Tooth grooves 15 meshing with the regulating gear 7 are arranged on the outer side of the connecting column 10.

[0027] The upper blade 19 is arranged directly above the lower blade 26. Two groups of upper pressing bolt holes 20 are arranged on one side of the cutting upper die 16. Two groups of lower pressing bolt holes 27 are arranged on one side of the cutting base 21. The pressing bolts are conveniently installed through the upper pressing bolt holes 20 and the lower pressing bolt holes 27, thereby improving the stability of the installation of the upper blade 19 and the blade and facilitating the disassembly and replacement of the upper blade 19 and the lower blade 26.

[0028] A heat shrinkable tube placement groove 22 is arranged on the upper surface of the cutting base 21. A limiting block 31 is arranged inside the heat shrinkable tube placement groove 22. Two groups of adjusting frames 32 are symmetrically and fixedly connected to one side of the limiting block 31. A plurality of adjusting screw holes 30 are arranged at the bottom of the heat shrinkable tube placement groove 22. The heat shrinkable tube placement groove 22 facilitates the placement of the connecting piece sleeved with the heat shrinkable tube. At the same time, by means of the adjusting bolts in the tightening and loosening adjusting screw holes 30, it is convenient for the limiting block 31 to adjust its position along the adjusting frame 32, thereby facilitating the adjustment of the depth of the connecting piece extending into the heat shrinkable tube placement groove 22 and improving the neatness of cutting.

[0029] The upper end of the connecting column 10 is fixedly connected with a limiting plate 12. A limiting bolt hole 13 is arranged at one end of the upper surface of the limiting plate 12. A fixing seat 29 is arranged directly above the cutting upper die 16. The limiting plate 12 facilitates the limitation of the descending position of the connecting column 10, thereby avoiding the connecting shaft from disengaging from the upper sliding sleeve 11. At the same time, a limiting bolt can be installed in the limiting bolt hole 13 to limit the descending height of the connecting column 10, increasing the diversity of functions.

[0030] Two groups of optical axes 28 are symmetrically inserted into the upper surface of the cutting base 21. The upper ends of the two groups of optical axes 28 are fixedly connected to both ends of the lower surface of the fixing seat 29. The cross section of the fixing seat 29 is arranged in a U shape. The optical axes 28 improve the stability of the lifting of the cutting upper die 16, thereby ensuring the stability of the lifting of the upper blade 19, improving the neatness of the cutting section of the heat shrinkable tube on the connecting piece, and improving the aesthetics after cutting.

[0031] A lower sliding sleeve 17 for the sliding insertion of the two groups of optical axes 28 is installed on the upper surface of the cutting upper die 16. Two groups of locking bolts 5 are threadedly connected to one side of the positioning block 3. A sandwich layer 9 for the two groups of locking bolts 5 to penetrate is arranged on the side of the positioning block 3 adjacent to the sealing disc 6. Through the arrangement of the sandwich layer 9, it is convenient to tighten and loosen the locking bolts 5, thereby facilitating the positioning block 3 to be clamped on the column 2. At the same time, it is convenient to adjust the height of the positioning block 3, so as to adjust the distance between the cutting upper die 16 and the cutting base 21, and is applicable to the cutting of heat shrinkable tubes of connecting pieces with different specifications.

[0032] Locking bottom holes 24 are provided at both ends of the upper surface of the supporting base 1, and locking side holes 23 connected to the locking bottom holes 24 are provided on both sides of the cutting base 21. The locking bottom holes 24 and the locking side holes 23 are both arranged in a stepped shape, and the cutting base 21 can be conveniently fixed to the upper surface of the supporting base 1 by bolts and nuts, so that the cutting base 21 can be conveniently disassembled and assembled.

[0033] When in use, the staff places the connecting piece with the heat host tube in the thermoplastic tube placement groove and contacts the limit block 31. At the same time, the position of the adjustment frame 32 on the limit block 31 is adjusted by bolts, so as to adjust the extension length of the connecting piece according to the size of the heat shrink tube to be cut. At the same time, the staff holds the handle 8 and moves it toward himself, so that the handle 8 drives the adjusting gear 7 to rotate, and the adjusting gear 7 engages with the tooth groove 15 on the connecting column 10 to drive the cutting upper mold 16 at the lower end of the connecting column 10 to move downward along the optical axis 28, thereby ensuring the stability of the upper blade 19 descending to load the heat shrink tube. The upper blade 19 and the lower blade 26 simultaneously press the heat shrink tube and then cut the heat shrink tube on the connecting piece, thereby ensuring the neatness of the incision and improving the cutting quality.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat shrink tube cutting device, characterized in that: Comprising: A support base (1), one end of the upper surface of the support base (1) is detachably connected with a cutting base (21), a lower card slot (25) is arranged on the upper surface of the cutting base (21), a lower blade (26) is embedded in the lower card slot (25), a cutting upper die (16) is arranged directly above the cutting base (21), an upper card slot (18) is arranged on the lower surface of the cutting upper die (16), an upper blade (19) is embedded in the upper card slot (18), and a connecting seat (14) is fixedly connected to the upper surface of the cutting upper die (16); A positioning block (3), an installation hole (4) is arranged on the upper surface of the positioning block (3), a column (2) fixedly connected to the other end of the upper surface of the support base (1) is arranged inside the installation hole (4), a upper sliding sleeve (11) is detachably connected to the other end of the upper surface of the positioning block (3), and a connecting column (10) fixedly connected to the upper end of the connecting seat (14) is slidably inserted inside the upper sliding sleeve (11); One side of the positioning block (3) is detachably connected with a sealing plate (6), an adjusting gear (7) is rotatably connected between the positioning block (3) and the sealing plate (6), one end of the adjusting gear (7) is threadedly connected with a handle (8), and a tooth groove (15) meshing with the adjusting gear (7) is arranged on the outer side of the connecting column (10).

2. A heat shrink tube cutting device according to claim 1, characterized in that: The upper blade (19) is arranged directly above the lower blade (26), two groups of upper pressing bolt holes (20) are arranged on one side of the cutting upper die (16), and two groups of lower pressing bolt holes (27) are arranged on one side of the cutting base (21).

3. A heat shrink tube cutting device according to claim 2, characterized in that: A heat shrinkable tube placing groove (22) is arranged on the upper surface of the cutting base (21), a limiting block (31) is arranged inside the heat shrinkable tube placing groove (22), two groups of adjusting frames (32) are symmetrically and fixedly connected to one side of the limiting block (31), and a plurality of groups of adjusting screw holes (30) are arranged at the bottom of the heat shrinkable tube placing groove (22).

4. A heat shrink tube cutting device according to claim 3, characterized in that: The upper end of the connecting column (10) is fixedly connected with a limiting plate (12), a limiting bolt hole (13) is arranged at one end of the upper surface of the limiting plate (12), and a fixing seat (29) is arranged directly above the cutting upper die (16).

5. A heat shrink tube cutting device according to claim 4, characterized in that: Two groups of optical axes (28) are symmetrically inserted on the upper surface of the cutting base (21), the upper ends of the two groups of optical axes (28) are fixedly connected to both ends of the lower surface of the fixing seat (29), and the cross section of the fixing seat (29) is arranged in a C shape.

6. A heat shrink tube cutting device according to claim 5, characterized in that: A lower sliding sleeve (17) for the two groups of optical axes (28) to slide and be inserted is installed on the upper surface of the cutting upper die (16), two groups of locking bolts (5) are threadedly connected to one side of the positioning block (3), and a sandwich layer (9) for the two groups of locking bolts (5) to penetrate is arranged on the adjacent side of the positioning block (3) and the sealing plate (6).

7. A heat shrink tube cutting device according to claim 6, characterized in that: Locking bottom holes (24) are arranged at both ends of the upper surface of the support base (1), locking side holes (23) communicated with the locking bottom holes (24) are arranged on both sides of the cutting base (21), and both the locking bottom holes (24) and the locking side holes (23) are arranged in a stepped shape.

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