CN216597115U - Front section sheathing machine in wire end heat sealing process - Google Patents

Abstract

The utility model discloses a front-section sheathing machine in a wire head heat sealing process, which comprises a clamping and traction mechanism which is slidably arranged on a machine body through a first air cylinder, wherein a sheathing roll placing mechanism is rotatably connected on the machine body, a plurality of sheathing rolls are assembled on the sheathing roll placing mechanism, the clamping and traction mechanism clamps the free ends of the sheathing rolls to move towards a sheathing internal support mechanism, the sheathing internal support mechanism is arranged on the machine body and is driven by a second air cylinder to move towards the free ends of the sheathing rolls, the sheathing internal support mechanism is provided with a plurality of internal support members which are in one-to-one correspondence with the free ends of the sheathing rolls, a wire head is clamped by a clamping and fixing mechanism, the end part of the wire head is inserted into the free end of the sheathing roll through the internal support members, and the internal support members are expanded on the inner wall of the free end of the sheathing roll through the wire head. The utility model realizes the automatic batch insertion of the thread ends and the sheath, thereby facilitating the subsequent heat sealing process, improving the production efficiency and avoiding the occurrence of safety accidents. The utility model is suitable for the technical field of heat sealing of the thread end sheath.

Description

Front section sheathing machine in wire end heat sealing process

Technical Field

The utility model belongs to the technical field of heat sealing of a wire end sheath, and particularly relates to a front-section sheath wrapping machine in a wire end heat sealing process.

Background

At present, in the production and processing technology of electric wires and leads, a wire head needs to be sheathed, and the sheath is heated to be contracted and tightly bound at the wire head. The existing processing method is that a sheath is sleeved at a preset position of a thread end manually, then the thread end is transferred to a heating device to heat the sheath of the thread end, so that the sheath is shrunk and tightened on the thread end, and the sheath process of the thread end is completed. Because the process is operated manually, the efficiency is extremely low, and safety accidents can not be avoided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a front-section sheathing machine in a wire end heat sealing process, which is used for realizing automatic batch insertion of wire ends and sheaths, so that the subsequent heat sealing process is facilitated, the production efficiency is improved, and safety accidents are avoided.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a front section sheathing machine in a wire head heat sealing process comprises a clamping traction mechanism which is slidably mounted on a machine body through a first air cylinder, a sheathing roll placing mechanism is rotatably connected to the machine body, a plurality of sheathing rolls are assembled on the sheathing roll placing mechanism, the clamping traction mechanism clamps free ends of the sheathing rolls to move towards a sheathing internal support mechanism, the sheathing internal support mechanism is arranged on the machine body and is driven by a second air cylinder to move towards the sheathing roll free ends, the sheathing internal support mechanism is provided with a plurality of internal support members which are in one-to-one correspondence with the sheathing roll free ends, a wire head is clamped by a clamping and fixing mechanism, the end part of the wire head is inserted into the sheathing roll free ends through the internal support members, and the internal support members are tightly expanded on the inner wall of the sheathing roll free ends through the wire head.

Furthermore, the sheath roll placing mechanism comprises a rotating shaft which is rotatably arranged on the machine body, a plurality of sheath rolls are arranged on the rotating shaft at intervals along the axial direction of the rotating shaft, and a stop mechanism is arranged on the rotating shaft and is positioned at each sheath roll.

Furthermore, the stopping mechanism comprises a stopping disk which is arranged in the wrapping and coiling sequence, a mounting seat which is sleeved on the rotating shaft and fixed by a positioning screw, and a compression spring which is sleeved on the rotating shaft is arranged between the mounting seat and the stopping disk; and two sides of the sheath roll are respectively provided with a stop mechanism, and the sheath roll is limited between the two stop disks.

Further, centre gripping drive mechanism is including assembling a plurality of and the canning rolls up the centre gripping subassembly that the one-to-one set up on the mounting bracket, first cylinder is connected with the mounting bracket, installs the third cylinder that drives the mounting bracket along vertical direction motion in the upper end of mounting bracket, and the centre gripping subassembly is through the drive of third cylinder and the free end department that the canning was rolled up is held to the centre gripping.

Further, the centre gripping subassembly is including relative punch holder and the lower plate that sets up, the punch holder passes through the dead lever and is fixed with the mounting bracket, and the lower plate is fixed with the flexible pole, and the lower extreme of flexible pole is fixed with the slider, the slider is through constructing slide and organism sliding connection on the organism, swing joint has the guide arm of vertical setting between punch holder and the lower plate.

Furthermore, arc-shaped clamping surfaces are respectively constructed at the ends, close to each other, of the upper clamping plate and the lower clamping plate, and a friction layer is constructed on each arc-shaped clamping surface.

Furthermore, fixed teeth are respectively and oppositely formed on the end surfaces of the upper clamping plate and the lower clamping plate, which are close to each other.

Further, the sheath internal stay mechanism comprises a mounting plate fixedly connected with the second cylinder, and the internal stay members are mounted on the mounting plate at intervals.

Furthermore, the one end radial length that interior support piece stretched into the canning and rolls up the free end is less than interior support piece and is located the canning and roll up the outside radial length of free end, and interior support piece is including constructing the fixing base of a plurality of interior stay pieces, the fixing base is installed on the mounting panel, and interior stay piece is made for elastic material, and interior stay piece evenly sets up along the circumference of fixing base, has the layer of holding the mill in interior stay piece outer construction.

Furthermore, a transition rod is arranged on the machine body and between the sheath roll placing mechanism and the clamping and traction mechanism, and the free end of the sheath roll is clamped by the sheath roll placing mechanism through the transition rod by the clamping and traction mechanism.

Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: the mounting of a plurality of sheath rolls is realized through the sheath roll placing mechanism, the sheath roll placing mechanism is rotatably mounted on the machine body, the free end of each sheath roll is clamped by the clamping and traction mechanism and moves towards the sheath internal supporting mechanism through the driving of the first air cylinder, the sheath roll is gradually unreeled, when the free end of the sheath roll and the sheath internal supporting mechanism are assembled by the clamping and traction mechanism, the internal supporting piece of the sheath internal supporting mechanism is inserted into the free end of the sheath roll, then the first air cylinder is driven to continuously move towards the thread end, the thread end clamped by the clamping and fixing mechanism is gradually inserted into the sheath through the internal supporting piece, the thread end supports the internal supporting piece and enables the internal supporting piece to be tightly expanded on the inner wall of the free end of the sheath roll, and therefore, the internal supporting piece is tightly connected with the sheath in a fastening mode, and the problem that the thread end drops in the inserting process is solved; in conclusion, the automatic plug-in mounting of the wire ends and the sheath is realized, so that the subsequent heat sealing process is facilitated, the production efficiency is improved, and safety accidents are avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a side view of a structure according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a partial structure of a wrapping roll placement mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a stop mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a clamping and pulling mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure of a clamping and pulling mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of a partial structure of a clamping assembly according to an embodiment of the present invention;

FIG. 8 is a schematic view of a portion of another clamping assembly according to an embodiment of the present invention;

FIG. 9 is a schematic view of the structure of FIG. 8 at another angle;

FIG. 10 is a schematic structural diagram of a jacket internal stay mechanism according to an embodiment of the present invention;

fig. 11 is a schematic structural view of an inner support member according to an embodiment of the utility model.

Labeling components: 100-machine body, 101-slideway, 200-capsule coil rest mechanism, 201-rotating shaft, 202-capsule coil, 203-stop disk, 204-mounting seat, 205-compression spring, 206-positioning screw, 300-clamping traction mechanism, 301-mounting frame, 302-clamping assembly, 3021-upper splint, 3022-lower splint, 3023-fixing rod, 3024-elastic rod, 3025-guide rod, 3026-sliding block, 3027-friction layer, 3028-fixing tooth, 303-first cylinder, 304-third cylinder, 400-capsule internal support mechanism, 401-mounting plate, 402-fixing seat, 403-internal support piece, 404-second cylinder, 500-clamping fixing mechanism, 501-fourth cylinder, 502-clamping head, 600-transition rod, 700-thread end.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The utility model discloses a front-section sheathing machine in a wire head heat sealing process, which comprises a sheathing roll placing mechanism 200, a clamping and pulling mechanism 300, a sheathing internal supporting mechanism 400 and a clamping and fixing mechanism 500, wherein the clamping and pulling mechanism 300 is positioned between the sheathing roll placing mechanism 200 and the sheathing internal supporting mechanism 400, the clamping and pulling mechanism 300 is slidably arranged on a machine body 100, the clamping and pulling mechanism 300 moves towards or away from the direction of the sheathing internal supporting mechanism 400 through the driving of a first air cylinder 303, the sheathing roll placing mechanism 200 is rotatably connected on the machine body 100, a plurality of sheathing rolls 202 are assembled on the sheathing roll placing mechanism 200, the clamping and pulling mechanism 300 clamps the free ends of the sheathing rolls 202 to move towards the sheathing internal supporting mechanism 400, the sheathing internal supporting mechanism 400 is arranged on the machine body 100, and the sheathing internal supporting mechanism 400 moves towards the free ends of the sheathing rolls 202 through the driving of a second air cylinder 404, the sheath internal supporting mechanism 400 is provided with a plurality of internal supporting pieces which are in one-to-one correspondence with the free ends of the sheath rolls 202, the thread ends 700 are clamped by the clamping and fixing mechanism 500, the end parts of the thread ends 700 are inserted into the free ends of the sheath rolls 202 through the internal supporting pieces, and the internal supporting pieces are tightly expanded on the inner walls of the free ends of the sheath rolls 202 through the thread ends 700. The working principle and the advantages of the utility model are as follows: the utility model realizes the installation of a plurality of sheath rolls 202 through the sheath roll shelving mechanism 200, because the sheath roll shelving mechanism 200 is rotationally installed on the machine body 100, the free end of each sheath roll 202 is clamped by the clamping and pulling mechanism 300, and is driven by the first air cylinder 303 to move towards the sheath internal supporting mechanism 400, the sheath roll 202 is gradually unreeled, when the clamping and pulling mechanism 300 assembles the free end of the capsule roll 202 and the capsule internal supporting mechanism 400, the inner supporting piece of the sheath inner supporting mechanism 400 is inserted into the free end of the sheath roll 202, then the first cylinder 303 is driven to continuously move towards the thread end 700, the thread end 700 clamped by the clamping and fixing mechanism 500 is gradually inserted into the sheath through the inner supporting piece, the thread end 700 supports the inner supporting piece and enables the inner supporting piece to be tightly expanded on the inner wall of the free end of the sheath roll 202, therefore, the inner supporting piece is tightly connected with the sheath, and the problem of falling off in the insertion process of the thread end 700 is avoided; in conclusion, the plug-in mounting of the thread end 700 and the sheath is realized in batch automatically, so that the subsequent heat sealing process is facilitated, the production efficiency is improved, and safety accidents are avoided.

As a preferred embodiment of the present invention, as shown in fig. 3, the wrap roll placing mechanism 200 includes a rotating shaft 201 rotatably mounted on the machine body 100, and a plurality of wrap rolls 202 are mounted on the rotating shaft 201 at intervals along an axial direction thereof. In order to limit the rotating speed of the wrap roll 202 in the passive rotation and avoid the problem that the wrap roll 202 rotates too fast to cause the wrap to be loose, a stop mechanism is installed on the rotating shaft 201 and at each wrap roll 202. As shown in fig. 4, the stopping mechanism includes a stopping disk 203 disposed on the wrap roll 202 in sequence, a mounting seat 204 sleeved on the spindle 201 and fixed by a set screw 206, and a compression spring 205 disposed between the mounting seat 204 and the stopping disk 203, the compression spring 205 being sleeved on the spindle 201, in this embodiment, the distance between the mounting seat 204 and the wrap roll 202 is adjusted to realize the strength of the compression energy storage of the compression spring 205, so that the pressure of the stopping disk 203 pressing against the wrap roll 202 varies. In order to reduce the axial play of the wrap roll 202 on the rotating shaft 201 and to perform a certain amount of twisting cancellation during the rotation of the wrap roll 202, the two sides of the wrap roll 202 are respectively provided with a stop mechanism, and the wrap roll 202 is limited between two stop discs 203.

As a preferred embodiment of the present invention, as shown in fig. 5, the clamping and pulling mechanism 300 comprises a plurality of clamping assemblies 302 mounted on a mounting bracket 301, the clamping assemblies 302 are arranged in one-to-one correspondence with the wrap rolls 202, the first air cylinder 303 is connected with the mounting bracket 301, a third air cylinder 304 for driving the mounting bracket 301 to move in the vertical direction is mounted at the upper end of the mounting bracket 301, and the clamping assemblies 302 are driven by the third air cylinder 304 to clamp the free end of the wrap roll 202. The third cylinder 304 of the present embodiment functions to press down the mounting block 301 by the third cylinder 304, so that the mounting block 301 clamps the assembly 302 to perform the clamping operation, specifically, as shown in fig. 6, the clamping assembly 302 includes an upper clamp plate 3021 and a lower clamp plate 3022 which are oppositely arranged, the upper clamp plate 3021 is fixed to the mounting block 301 through a fixing rod 3023, the lower clamp 3022 is fixed to an elastic rod 3024, a sliding block 3026 is fixed to a lower end of the elastic rod 3024, the sliding block 3026 is slidably connected to the machine body 100 through a slide way 101 configured on the machine body 100, and a vertically arranged guide rod 3025 is movably connected between the upper clamp 3021 and the lower clamp 3022. The third cylinder 304 drives the mounting frame 301 to move downwards, so that the upper clamp plate 3021 moves downwards, and the gap between the upper clamp plate 3021 and the lower clamp plate 3022 is reduced until the upper clamp plate 3021 and the lower clamp plate 3022 press the sheath by a certain amount, so that the sheath is not displaced during the process of assembling the inner support member and inserting the thread end 700. As shown in fig. 7, the ends of the upper clamp plate 3021 and the lower clamp plate 3022 adjacent to each other are respectively configured with an arc-shaped clamping surface, and a friction layer 3027 is configured on the arc-shaped clamping surface, and the friction layer 3027 acts on the outer surface of the sheath to prevent the sheath from twisting and the like. In order to realize the fixing, traction and subsequent cutting of the sheath by making the downward pressing displacement of the third cylinder 304 different, in the embodiment, as shown in fig. 8-9, fixed teeth 3028 are respectively and oppositely configured on the end surfaces of the upper splint 3021 and the lower splint 3022 which are close to each other, when the gap between the upper splint 3021 and the lower splint 3022 is reduced to the first stage, the fixed teeth 3028 tightly grip the outer surface of the sheath, thereby facilitating the first cylinder 303 to drive the clamping assembly 302 to drive the sheath to act; when the gap between the upper clamp plate 3021 and the lower clamp plate 3022 is reduced to the second stage, the two fixed teeth 3028 are engaged with each other at this stage, and the sheath is cut off. The present embodiment employs the elastic lever 3024 to achieve setting of the degree of depression in accordance with the telescopic height of the elastic lever 3024 and to avoid a problem of damage due to hard contact when the upper and lower splints 3021 and 3022 contact each other.

As a preferred embodiment of the present invention, as shown in fig. 10 to 11, the jacket inner support mechanism 400 includes a mounting plate 401 fixedly connected to the second cylinder 404, and the inner supports are mounted on the mounting plate 401 at intervals. The inner supporting piece is of a horn-shaped structure with a hollow interior, the small-diameter end of the inner supporting piece extends into the free end of the sheath roll 202, the large-diameter end of the inner supporting piece is provided with a fixed seat 402, a plurality of inner supporting pieces 403 are arranged on the fixed seat 402, the fixed seat 402 is arranged on the mounting plate 401, the inner supporting pieces 403 are made of elastic materials, the inner supporting pieces 403 are uniformly arranged along the circumferential direction of the fixed seat 402, and a wear-bearing layer is arranged outside the inner supporting pieces 403. When the thread end 700 extends into the inner support member, the thread end 700 supports the inner support piece 403 to expand outwards, so that the inner support piece 403 is expanded on the inner wall of the sheath, and the wear-resisting layer increases the friction force between the inner support piece 403 and the inner wall of the sheath.

As a preferred embodiment of the present invention, as shown in fig. 1-2, a transition rod 600 is installed on the machine body 100 between the wrap roll placement mechanism 200 and the clamping and pulling mechanism 300, and the free end of the wrap roll 202 is clamped by the wrapping roll placement mechanism 200 through the transition rod 600 and the clamping and pulling mechanism 300. The transition rod 600 is intended to prevent the problem of loosening of the wrap roll 202 and to divert the free end of the wrap roll 202.

As a preferred embodiment of the present invention, as shown in fig. 2, the clamping fixture 500 includes a clamping head 502 driven by a fourth cylinder 501, and the structure of the clamping head 502 may be the same as that of the clamping assembly 302 described above, with the main difference that the clamping head 502 does not have a fixed tooth 3028.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a forepart package machine in wire end heat-seal technology which characterized in that: the device comprises a clamping and traction mechanism which is slidably arranged on a machine body through a first air cylinder, a sheath roll placing mechanism is rotatably connected to the machine body, a plurality of sheath rolls are assembled on the sheath roll placing mechanism, the clamping and traction mechanism clamps free ends of the sheath rolls to move towards a sheath internal supporting mechanism, the sheath internal supporting mechanism is arranged on the machine body and is driven by a second air cylinder to move towards the free ends of the sheath rolls, the sheath internal supporting mechanism is provided with a plurality of internal supporting pieces which are in one-to-one correspondence with the free ends of the sheath rolls, a thread head is clamped by a clamping and fixing mechanism, the end part of the thread head is inserted into the free ends of the sheath rolls through the internal supporting pieces, and the internal supporting pieces are tightly expanded on the inner wall of the free ends of the sheath rolls through the thread head; the sheath roll placing mechanism comprises a rotating shaft which is rotatably arranged on the machine body, a plurality of sheath rolls are arranged on the rotating shaft at intervals along the axial direction of the rotating shaft, and a stop mechanism is arranged on the rotating shaft and at each sheath roll; and a transition rod is arranged on the machine body and between the sheath roll placing mechanism and the clamping traction mechanism, and the free end of the sheath roll is clamped by the sheath roll placing mechanism through the transition rod by the clamping traction mechanism.

2. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 1, wherein: the stopping mechanism comprises a stopping disk which is arranged in sequence in the wrapping and coiling manner, a mounting seat which is sleeved on the rotating shaft and fixed by a positioning screw, and a compression spring which is sleeved on the rotating shaft is arranged between the mounting seat and the stopping disk; and two sides of the sheath roll are respectively provided with a stop mechanism, and the sheath roll is limited between the two stop disks.

3. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 1, wherein: the centre gripping drive mechanism is including a plurality of and the canning rolls up the centre gripping subassembly that the one-to-one set up of assembling on the mounting bracket, first cylinder is connected with the mounting bracket, installs the third cylinder that the drive mounting bracket moved along vertical direction in the upper end of mounting bracket, and the centre gripping subassembly is through the drive of third cylinder and the free end department that the canning was rolled up to the centre gripping.

4. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 3, wherein: the centre gripping subassembly is including relative punch holder and the lower plate that sets up, the punch holder passes through the dead lever and is fixed with the mounting bracket, and the lower plate is fixed with the flexible pole, and the lower extreme of flexible pole is fixed with the slider, the slider is through slide and organism sliding connection who constructs on the organism, swing joint has the guide arm of vertical setting between punch holder and the lower plate.

5. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 4, wherein: the clamping device is characterized in that arc-shaped clamping surfaces are respectively constructed at one ends, close to each other, of the upper clamping plate and the lower clamping plate, and a friction layer is constructed on each arc-shaped clamping surface.

6. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 4, wherein: and fixed teeth are respectively and oppositely formed on the end surfaces of the two ends of the upper clamping plate and the lower clamping plate, which are close to each other.

7. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 1, wherein: the sheath internal stay mechanism comprises a mounting plate fixedly connected with the second cylinder, and the internal stay members are mounted on the mounting plate at intervals.

8. The front-end sheathing machine in the wire end heat sealing process as claimed in claim 7, wherein: the inner supporting piece is smaller than the radial length of the end, extending into the sheath, of the free end of the sheath roll, the radial length of the end, extending into the sheath roll, of the inner supporting piece is smaller than the radial length of the end, located outside the sheath roll, of the inner supporting piece, the inner supporting piece comprises a fixing seat, constructed with a plurality of inner supporting pieces, the fixing seat is installed on the installation plate, the inner supporting pieces are made of elastic materials, the inner supporting pieces are evenly arranged along the circumferential direction of the fixing seat, and a wear-bearing layer is constructed outside the inner supporting pieces.

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