Shearing mechanism for polytetrafluoroethylene sewing thread production

Abstract

The utility model relates to the technical field of polytetrafluoroethylene sewing thread production, in particular to a shearing mechanism for polytetrafluoroethylene sewing thread production, which comprises a fixing frame and a positioning block, a supporting sleeve is arranged in the center of one side of the fixing frame, a bracket is sleeved at one end of the supporting sleeve, a supporting frame is welded at one end of the bracket, and a shearing mechanism is arranged on the positioning block. A cutting plate is arranged on one side of the supporting frame; an air cylinder A and an air cylinder B are fixed to the top and the bottom of one side of the supporting frame through bolts correspondingly, a knife rest is arranged on one side of the air cylinder A, and a cutter is installed on one side of the knife rest through a bolt. The air cylinder A drives the cutter rest to support the cutter to extend towards the cutting plate to make contact with a sewing thread to cut the sewing thread, the temperature of the cutter is increased through the electric heating rod in the cutter, the hot melting cutting effect is achieved, the sewing thread is cut off in a hot melting mode, and a hot melting thread end can be formed at the end of the sewing thread in the cutting mode to prevent the thread end from being forked.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of teflon sewing thread, specifically relates to a shearing mechanism for teflon sewing thread production. BACKGROUND

[0002] Teflon (PTFE) has the excellent characteristics such as temperature resistance, corrosion resistance, aging resistance, non-adhesion, non-hydrolysis, and has excellent low friction characteristics, and PTFE filament can be used as sewing thread, when producing, through the winding drum cooperation to its winding again plastic package, after winding to certain length, it needs to be cut off.

[0003] At present, the shearing work of teflon sewing thread production is all through artificial separate shearing operation, time-consuming and labor-consuming, therefore a shearing mechanism for teflon sewing thread production is proposed to be fixed at the bottom of the winding drum, replace artificial cutting operation after winding is completed, save manpower and improve production efficiency. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a shearing mechanism for teflon sewing thread production to be fixed at the bottom of the winding drum, replace artificial cutting operation after winding is completed, save manpower and improve production efficiency.

[0005] The utility model solves the technical scheme that the utility model adopts adopts a shearing mechanism for teflon sewing thread production, including fixed frame and positioning block, the fixed frame one side center position is provided with support sleeve, the support sleeve one end is connected with the bracket of sleeve, the bracket one end is welded with support frame, and the support frame one side is equipped with cutting plate;

[0006] The support frame one side top and bottom are fixed with cylinder A and cylinder B through bolt respectively, the cylinder A one side is provided with tool rest, and the tool rest one side is installed with cutting knife through bolt.

[0007] Through adopting above-mentioned technical scheme, the fixed frame is installed the mechanism, and the support sleeve cooperates the bracket to drive the support frame to adjust according to the sewing thread position, to ensure that the sewing thread is wound on the periphery of the winding drum between the cutting plate, the cutting knife and the non-slip pad, and then the bolt is rotated and tightened to fix it, and the adjustment is convenient;

[0008] When shearing, the positioning block is driven to extend to the cutting plate direction by cylinder B, so that the non-slip pad fixes the sewing thread, and the non-slip pad is made of rubber material to increase the friction between the thread and the thread, so as to achieve the effect of preventing slipping, so as to facilitate personnel to extract the cut end of the thread after the sewing thread is cut.

[0009] The electric heating rod inside the cutter is turned on, the cutter support is driven by the cylinder A to extend to the cutting plate direction to contact the sewing thread to cut it, and the electric heating rod inside the cutter is used to make it high temperature to achieve the hot melting cutting effect, the sewing thread is cut off by hot melting, and the cutting mode can form a hot melting thread end at the end of the sewing thread to prevent the thread end from being forked.

[0010] Specifically, a threaded hole is reserved on one side of the top of the support sleeve corresponding to the bracket position, and a tightening bolt penetrates through the threaded hole.

[0011] By adopting the above technical scheme, the support sleeve cooperates with the bracket to drive the support frame to extend or retract according to the position of the sewing thread.

[0012] Specifically, support rods are uniformly welded around the central position between the support frame and the cutting plate.

[0013] By adopting the above technical scheme, the support rods are used to support and fix the cutting plate.

[0014] Specifically, an electric heating rod is fixed in the cutter by a bolt, and the driving end of the cylinder A is connected with the cutter support.

[0015] By adopting the above technical scheme, the electric heating rod inside the cutter is used to make it high temperature to achieve the hot melting cutting effect, the sewing thread is cut off by hot melting, and the cutting mode can form a hot melting thread end at the end of the sewing thread to prevent the thread end from being forked.

[0016] Specifically, a positioning block is arranged on one side of the cylinder B, the driving end of the cylinder B is connected with the positioning block, a non-slip pad is adhered on one side of the positioning block, and the non-slip pad is made of rubber material.

[0017] By adopting the above technical scheme, the positioning block is driven by the cylinder B to extend to the cutting plate direction, so that the non-slip pad fixes the sewing thread, and the non-slip pad is made of rubber material to increase the friction between the non-slip pad and the thread, so as to achieve the anti-skid effect, and facilitate the personnel to take out the cut thread end in time after the sewing thread is cut.

[0018] The utility model discloses the beneficial effects of the following:

[0019] The utility model discloses a cutting mechanism for polytetrafluoroethylene sewing thread production, through the cylinder A drive cutter support cutter extends to the cutting plate direction to contact the sewing thread to cut it, and through the electric heating rod inside the cutter makes it high temperature to reach hot melting cutting effect, sewing thread is cut off by hot melting, and the cutting mode can form a hot melting thread end at the end of the sewing thread to prevent the thread end from being forked.

[0020] The utility model discloses a shearing mechanism for producing polytetrafluoroethylene sewing thread. During shearing, the cylinder B drives the positioning block to extend toward the cutting plate, so that the anti-slip pad fixes the sewing thread. The anti-slip pad is made of rubber material to increase friction with the thread body, thereby achieving an anti-slip effect, making it easier for personnel to immediately extract the other end of the sewing thread after it is sheared. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 It is an overall schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the bracket of the present utility model;

[0024] Figure 3 This is a schematic diagram of the electric heating rod of the utility model;

[0025] In the figure: 1. Fixed frame; 2. Support sleeve; 3. Bracket; 4. Tightening bolts; 5. Support frame; 6. Cutting plate; 7. Support rod; 8. Cylinder A; 9. Cylinder B; 10. Knife holder; 11. Cutter; 12. Electric heating rod; 13. Positioning block; 14. Anti-slip pad. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] In order to save manpower and improve production efficiency, Figure 1-3 As shown, the shearing mechanism for polytetrafluoroethylene sewing thread production described in the present invention includes a fixing frame 1 and a positioning block 13. A support sleeve 2 is provided at the center position of one side of the fixing frame 1. A bracket 3 is sleeved on one end of the support sleeve 2. A support frame 5 is welded to one end of the bracket 3. A cutting plate 6 is provided on one side of the support frame 5.

[0028] The top and bottom of one side of the support frame 5 are respectively fixed with a cylinder A8 and a cylinder B9 by bolts. A tool holder 10 is provided on one side of the cylinder A8, and a cutter 11 is installed on one side of the tool holder 10 by bolts.

[0029] When in use, the fixing frame 1 is installed in the mechanism, and the supporting frame 5 is driven to be telescopically adjusted according to the position of the sewing thread through the supporting sleeve 2 and the bracket 3 to ensure that the sewing thread passes through the cutting plate 6, the cutter 11 and the anti-slip pad 14 and is wound around the outer periphery of the winding drum. Then, the bolt 4 is rotated and tightened to squeeze the bracket 3 to fix it, which is convenient for adjustment.

[0030] When shearing, the positioning block 13 is driven by the air cylinder B9 to extend to the direction of the cutting plate 6, so that the anti-skid pad 14 fixes the sewing thread, and the anti-skid pad 14 is made of rubber material to increase the friction between the thread body, so that the anti-skid effect is achieved, and the other end of the thread is extracted immediately after the sewing thread is sheared.

[0031] The electric heating rod 12 in the cutting knife 11 is turned on, the cutting knife 11 supported by the knife holder 10 is driven by the air cylinder A8 to extend to the direction of the cutting plate 6 and contact the sewing thread to shear the sewing thread, and the electric heating rod 12 in the cutting knife 11 is high-temperature, so that the hot melting shearing effect is achieved, the sewing thread is hot-melt cut, and the cutting mode can form a hot-melt thread end at the end of the sewing thread to prevent the end of the thread from being forked.

[0032] In order to save labor and improve production efficiency, as shown in Figure 1 , Figure 2 The utility model discloses still include, the support sleeve 2 top one side corresponds the bracket 3 position through reserving screw hole and is penetrated with the tightening bolt 4.

[0033] In use, the support sleeve 2 cooperates with the bracket 3 to drive the support frame 5 to extend or retract according to the position of the sewing thread.

[0034] As shown in Figure 1 , Figure 3 The utility model discloses still include, the support frame 5 with cutting plate 6 between periphery even weld with support rod 7 around the center position.

[0035] In use, the cutting plate 6 is supported and fixed by the support rod 7.

[0036] As shown in Figure 1 , Figure 3 The utility model discloses still include, the cutting knife 11 inside is fixed with electric heating rod 12 through bolt, the air cylinder A8 drive end is connected with knife holder 10.

[0037] In use, the electric heating rod 12 in the cutting knife 11 is high-temperature, so that the hot melting shearing effect is achieved, the sewing thread is hot-melt cut, and the cutting mode can form a hot-melt thread end at the end of the sewing thread to prevent the end of the thread from being forked.

[0038] As shown in Figure 1 , Figure 3 The utility model discloses still include, one side of air cylinder B9 is provided with positioning block 13, the air cylinder B9 drive end is connected with positioning block 13, one side of positioning block 13 is fixed with anti-skid pad 14, and the anti-skid pad 14 is made of rubber material.

[0039] In use, the positioning block 13 is driven by the cylinder B9 to extend towards the cutting plate 6, so that the anti-skid pad 14 fixes the sewing thread, and the anti-skid pad 14 is made of rubber material to increase the friction with the thread body, so as to achieve the anti-skid effect, so as to facilitate the personnel to extract the other end of the thread immediately after the sewing thread is cut.

[0040] In use, the fixing frame 1 is installed on the mechanism, the supporting sleeve 2 cooperates with the bracket 3 to drive the supporting frame 5 to extend or retract according to the position of the sewing thread, so as to ensure that the sewing thread is wound around the periphery of the winding drum between the cutting plate 6 and the cutting knife 11 and the anti-skid pad 14, and then the rotating tightening bolt 4 is extruded to fix the bracket 3, and the adjustment is convenient.

[0041] When cutting, the positioning block 13 is driven by the cylinder B9 to extend towards the cutting plate 6, so that the anti-skid pad 14 fixes the sewing thread, and the anti-skid pad 14 is made of rubber material to increase the friction with the thread body, so as to achieve the anti-skid effect, so as to facilitate the personnel to extract the other end of the thread immediately after the sewing thread is cut.

[0042] The electric heating rod 12 inside the cutting knife 11 is turned on, the knife holder 10 is driven by the cylinder A8 to support the cutting knife 11 to extend towards the cutting plate 6 to contact and cut the sewing thread, and the electric heating rod 12 inside the cutting knife 11 is heated to a high temperature to achieve the hot melting cutting effect, so as to cut the sewing thread by hot melting, and the cutting method can form a hot melting thread end at the end of the sewing thread to prevent the end of the thread from being forked.

[0043] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cutting mechanism for polytetrafluoroethylene sewing thread production, characterized by, Including fixed frame (1) and positioning block (13), one side of the fixed frame (1) is provided with a support sleeve (2) at the center position, one end of the support sleeve (2) is sleeved with a bracket (3), one end of the bracket (3) is welded with a support frame (5), one side of the support frame (5) is provided with a cutting plate (6); One side of the support frame (5) is provided with a cylinder A (8) and a cylinder B (9) at the top and the bottom respectively through bolts, one side of the cylinder A (8) is provided with a tool holder (10), one side of the tool holder (10) is installed with a cutter (11) through bolts.

2. A cutting mechanism for the production of polytetrafluoroethylene sewing thread according to claim 1, characterized in that, The support sleeve (2) is penetrated by a tightening bolt (4) through a reserved threaded hole at the top of one side corresponding to the bracket (3) position.

3. The cutting mechanism for the production of polytetrafluoroethylene sewing thread according to claim 1, characterized in that, The support frame (5) and the cutting plate (6) are uniformly welded with support rods (7) around the center position.

4. The cutting mechanism for the production of polytetrafluoroethylene sewing thread according to claim 1, characterized in that, The cutter (11) is internally fixed with an electric heating rod (12) through bolts, and the driving end of the cylinder A (8) is connected with the tool holder (10).

5. The cutting mechanism for the production of polytetrafluoroethylene sewing thread according to claim 1, characterized in that, One side of the cylinder B (9) is provided with a positioning block (13), the driving end of the cylinder B (9) is connected with the positioning block (13), one side of the positioning block (13) is fixed with a non-slip pad (14), and the non-slip pad (14) is made of rubber material.

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