Circular knife cutting adjusting device

Abstract

The utility model relates to the technical field of circular knife cutting devices, in particular to a circular knife cutting adjusting device, which is characterized in that a power unit is fixedly arranged on a support unit, a cutting unit is arranged in the middle of the support unit, and extrusion parts are arranged at two ends of the cutting unit and comprise a first extrusion part and a second extrusion part. The first extrusion part and the second extrusion part are the same in structure, the second extrusion part comprises a groove cover set and rotating sets, the groove cover set is located above the rotating sets, when the groove cover set moves downwards, the groove cover set presses the cutting set to the shading adhesive tape to be cut through the rotating sets, and the rotating sets are arranged at the two ends of the cutting set through bolts; the arc-shaped cover acts on the ball, the rotating shaft is pushed downwards, the round cutter is pressed to the shading adhesive tape on the cutting table, when the rotating shaft rotates at a high speed, the ball rolls in the arc-shaped groove and bears the pressure applied by the arc-shaped cover, rotation of the rotating shaft is not affected, due to the fact that the ball does not make contact with the rotating shaft, the rotating ball cannot abrade the rotating shaft, and the service life of the rotating shaft is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of circular knife cutting devices, in particular to a circular knife cutting adjustment device. Background Art

[0002] Circular die cutting uses a circular die with a cutting edge (a circular knife) and a counter-rotating roller. As the material passes between these two rotating components, the cutting edge of the circular knife cuts the material into a predetermined shape. Circular die cutting equipment is required to quickly cut and shape the blackout tape used for screens of electronic products such as mobile phones, tablets, computers, and televisions.

[0003] When a general circular knife cuts an object, it needs external force to push it to move so that it contacts the object to be cut and completes the cutting operation. When downward pressure is applied to the circular knife, the bottom end of the pressure shaft of the traditional circular knife cutting equipment is sleeved on the rotating shaft and is in full contact with the rotating shaft, which accelerates the wear of the rotating shaft and shortens its service life. Utility Model Content

[0004] The main purpose of the utility model is to provide a circular knife cutting adjustment device to solve the problem proposed in the related art that the bottom end of the pressure shaft is sleeved on the rotating shaft and is in full contact with the rotating shaft.

[0005] To achieve the above-mentioned object, according to one aspect of the present invention, a circular knife cutting adjustment device is provided, comprising: a main unit, the main unit being used to store the light-shielding tape to be cut and to reel up and store the light-shielding tape after being cut;

[0006] An adjustment part is provided on the main unit, and the adjustment part includes a power group, a support group, a cutting group and an extrusion part. The support group is fixedly provided on the main unit, the power group is fixedly provided on the support group, the cutting group is provided in the middle of the support group, and the extrusion part is provided at both ends of the cutting group. The extrusion part includes a first extrusion part and a second extrusion part, and the first extrusion part and the second extrusion part have the same structure. The second extrusion part includes a slot cover group and a rotating group. The slot cover group is located above the rotating group. When the slot cover group moves downward, the slot cover group presses the cutting group toward the light-shielding tape to be cut through the rotating group. The rotating group is provided at both ends of the cutting group through bolts.

[0007] Furthermore, the main unit includes a bracket group, a platform group and a roller group. The platform group includes a bottom plate and a cutting table. The cutting table is fixedly arranged on the middle part of the upper surface of the bottom plate.

[0008] Furthermore, the bracket group includes two first brackets and two second brackets, the two first brackets are respectively fixed on both sides of the front end of the upper surface of the base plate, and the two second brackets are respectively fixed on both sides of the rear end of the upper surface of the base plate.

[0009] Furthermore, the roller group includes a unwinding roller, a winding roller and a guide roller. The unwinding roller is rotatably arranged between the tops of the two first brackets, the winding roller is rotatably arranged between the tops of the two second brackets, and the guide roller is rotatably arranged above the bottom plate through the bracket, and is located between the unwinding roller and the winding roller. The guide roller is located behind the cutting table.

[0010] Furthermore, the support group includes a third bracket and a fourth bracket, and the third bracket and the fourth bracket are respectively fixed on both sides of the upper surface of the base plate and are located in front of the cutting table.

[0011] Furthermore, the power group includes a first power source, a second power source and a third power source. The first power source is fixedly arranged on the inner side of the top of the third bracket, the third power source is movably arranged on the inner side of the middle part of the third bracket, and the second power source is fixedly arranged on the inner side of the top of the fourth bracket.

[0012] Furthermore, the cutting group includes a rotating shaft, a circular knife roller and several circular cutters. One end of the rotating shaft is rotatably connected to the fourth bracket, and the other end is fixedly connected to the third power source. The third power source is used to drive the rotating shaft to rotate. The circular knife roller is fixedly arranged on the outer ring of the rotating shaft, and the circular cutters are all fixedly arranged on the outer ring of the circular knife roller.

[0013] Furthermore, the slot cover assembly includes an arc-shaped cover, an arc-shaped slot and a support tray, the arc-shaped cover is fixedly connected to the first power source and the second power source respectively through the support tray, and the arc-shaped slot is concentrically arranged inside the arc-shaped cover.

[0014] Furthermore, the rotation group includes a limiting group and a plurality of balls, the limiting group includes a first circular ring, a second circular ring and a plurality of screws, and the first circular ring and the second circular ring are both fixed on the rotating shaft by screws.

[0015] Furthermore, the balls are located between the first ring and the second ring, and are rotatably connected to both the first ring and the second ring.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the arc cover acts on the ball, pushing the rotating shaft downward, pressing the circular tool toward the light-shielding tape on the cutting table; when the rotating shaft rotates at high speed, the ball rolls in the arc groove, bearing the pressure applied by the arc cover without affecting the rotation of the rotating shaft; since the ball does not contact the rotating shaft, the rotating ball will not wear the rotating shaft, thereby extending the service life of the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of the utility model;

[0018] Figure 2 This is a structural diagram of the adjustment part of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the extrusion part of the utility model.

[0020] Illustration:

[0021] 1. Main unit; 11. Bottom plate; 12. Unwinding roller; 13. First bracket; 14. Rewinding roller; 15. Second bracket; 16. Guide roller; 17. Cutting table;

[0022] 2. Adjustment unit; 20. First extrusion unit; 21. Third bracket; 22. Fourth bracket; 23. First telescopic cylinder; 24. Second telescopic cylinder; 25. Motor; 26. Rotating shaft; 27. Circular knife roller; 28. Circular knife; 29. Second extrusion unit; 291. Arc cover; 292. Arc groove; 293. Support tray; 294. First ring; 295. Second ring; 296. Screw; 297. Ball bearing. DETAILED DESCRIPTION

[0023] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the following is a detailed description of the specific implementation method, structure, characteristics and effects of the present invention in combination with the accompanying drawings and preferred embodiments.

[0024] See also Figures 1 to 3 , this embodiment provides a circular knife cutting adjustment device, comprising: a main unit 1, the main unit 1 is used to store the light-shielding tape to be cut, and to roll up and store the light-shielding tape after cutting;

[0025] Adjustment unit 2, which is provided on the main unit 1. Adjustment unit 2 includes a power group, a support group, a cutting group and an extrusion unit. The support group is fixed on the main unit 1, the power group is fixed on the support group, the cutting group is provided in the middle of the support group, and the extrusion units are provided at both ends of the cutting group.

[0026] The extrusion part includes a first extrusion part 20 and a second extrusion part 29. The first extrusion part 20 and the second extrusion part 29 have the same structure. The second extrusion part 29 includes a slot cover group and a rotation group. The slot cover group is located above the rotation group. When the slot cover group moves downward, the slot cover group presses the cutting group toward the light-shielding tape to be cut through the rotation group. The rotation group is arranged at both ends of the cutting group through bolts.

[0027] The main unit 1 includes a bracket group, a platform group and a roller group. The platform group includes a bottom plate 11 and a cutting table 17. The cutting table 17 is fixedly arranged in the middle of the upper surface of the bottom plate 11.

[0028] The bracket group includes two first brackets 13 and two second brackets 15 . The two first brackets 13 are respectively fixed on both sides of the front end of the upper surface of the bottom plate 11 , and the two second brackets 15 are respectively fixed on both sides of the rear end of the upper surface of the bottom plate 11 .

[0029] The roller group includes a unwinding roller 12, a winding roller 14 and a guide roller 16. The unwinding roller 12 is rotatably arranged between the tops of two first brackets 13, one of which is provided with a motor for driving the unwinding roller 12 to rotate. The winding roller 14 is rotatably arranged between the tops of two second brackets 15, one of which is provided with a motor for driving the winding roller 14 to rotate. The guide roller 16 is rotatably arranged above the bottom plate 11 through the bracket, and is located between the unwinding roller 12 and the winding roller 14. The guide roller 16 is located behind the cutting table 17.

[0030] The support group includes a third bracket 21 and a fourth bracket 22 . The third bracket 21 and the fourth bracket 22 are respectively fixed on both sides of the upper surface of the base plate 11 and are located in front of the cutting table 17 .

[0031] The power group includes a first power source, a second power source and a third power source. The first power source is fixed on the inner side of the top of the third bracket 21, the third power source is movable on the inner side of the middle part of the third bracket 21, and the second power source is fixed on the inner side of the top of the fourth bracket 22. The first power source and the second power source are respectively selected from the first telescopic cylinder 23 and the first telescopic cylinder 24. The piston rod of the telescopic cylinder is fixedly connected to the supporting tray 293, which is used to push the supporting tray 293 to move downward. The third power source is selected from the motor 25 to drive the rotating shaft 26 to rotate.

[0032] It should be noted that a guide rail groove is provided on the inner surface of the middle portion of the third bracket 21 , and the motor 25 can move along the guide rail groove, so that it can always move in the vertical direction without deviation.

[0033] The cutting group includes a rotating shaft 26, a circular knife roller 27 and several circular cutters 28. One end of the rotating shaft 26 is rotatably connected to the fourth bracket 22, and the other end is fixedly connected to the motor 25. The motor 25 is used to drive the rotating shaft 26 to rotate. The circular knife roller 27 is fixedly arranged on the outer ring of the rotating shaft 26, and the circular cutters 28 are all fixedly arranged on the outer ring of the circular knife roller 27.

[0034] The slot cover assembly includes an arcuate cover 291, an arcuate slot 292 and a supporting tray 293. The arcuate cover 291 is fixedly connected to the first telescopic cylinder 23 and the second telescopic cylinder 24 respectively through the supporting tray 293. The arcuate slot 292 is concentrically arranged inside the arcuate cover 291, and the ball 297 rotates in the arcuate slot 292.

[0035] The rotation group includes a limiting group and a plurality of balls 297 . The limiting group includes a first ring 294 , a second ring 295 and a plurality of screws 296 . The first ring 294 and the second ring 295 are both fixed on the rotating shaft 26 by the screws 296 .

[0036] The balls 297 are located between the first ring 294 and the second ring 295 and are rotatably connected to the first ring 294 and the second ring 295 .

[0037] Pull out the shading tape to be cut on the unwinding roller 12, pass it through the bottom of the circular knife roller 27 and the guide roller 16 in turn, and wind it around the winding roller 14. At the same time, start the first telescopic cylinder 23 and the second telescopic cylinder 24. The piston rods of the first telescopic cylinder 23 and the second telescopic cylinder 24 extend out, and push the arc cover 291 downward through the support tray 293. The arc cover 291 acts on the ball 297 to push the rotating shaft 26 downward, pressing the circular knife 28 toward the shading tape on the cutting table 17. At the same time, start the motors and motor 25 at the ends of the unwinding roller 12 and the winding roller 14, and the motors drive the unwinding roller 12 and the winding roller 14 to rotate. The unwinding roller 12 releases the shading tape on it, and after passing through the adjustment part 2, it is wound up by the winding roller 14. The motor 25 drives the rotating shaft 26 to rotate, and the rotating shaft 26 drives the circular cutter 28 to rotate through the circular cutter roller 27 to cut the shading tape passing through the circular cutter 28. The cut shading tape is wound up by the winding roller 14. When the rotating shaft 26 rotates at high speed, the ball 297 rolls in the arc groove 292, and while bearing the pressure applied by the arc cover 291, it does not affect the rotation of the rotating shaft 26. Since the ball 297 does not contact the rotating shaft 26, the rotating ball 297 will not wear the rotating shaft 26, thereby extending the service life of the rotating shaft 26.

[0038] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. Circular knife cutting adjustment device, characterized in that, include: A main unit (1), the main unit (1) being used to store the light-shielding tape to be cut and to roll up and store the light-shielding tape after cutting; An adjustment part (2), wherein the adjustment part (2) is arranged on the main body part (1), and the adjustment part (2) includes a power group, a support group, a cutting group and an extrusion part, wherein the support group is fixedly arranged on the main body part (1), the power group is fixedly arranged on the support group, the cutting group is arranged in the middle of the support group, and the extrusion part is arranged at both ends of the cutting group, and the extrusion part includes a first extrusion part (20) and a second extrusion part (29), wherein the first extrusion part (20) and the second extrusion part (29) have the same structure, and the second extrusion part (29) includes a slot cover group and a rotation group, wherein the slot cover group is located above the rotation group, and when the slot cover group moves downward, the slot cover group presses the cutting group toward the light-shielding tape to be cut through the rotation group, and the rotation group is arranged at both ends of the cutting group through bolts.

2. The circular knife cutting adjustment device according to claim 1, characterized in that: The main machine part (1) comprises a bracket group, a plate group and a roller group, the plate group comprises a bottom plate (11) and a cutting table (17), and the cutting table (17) is fixedly arranged in the middle of the upper surface of the bottom plate (11).

3. The circular knife cutting adjustment device according to claim 2, characterized in that: The bracket group comprises two first brackets (13) and two second brackets (15), the two first brackets (13) being fixedly arranged on both sides of the front end of the upper surface of the bottom plate (11), and the two second brackets (15) being fixedly arranged on both sides of the rear end of the upper surface of the bottom plate (11).

4. The circular knife cutting adjustment device according to claim 3, characterized in that: The roller assembly comprises a reeling roller (12), a reeling roller (14) and a guide roller (16); the reeling roller (12) is rotatably arranged between the tops of two first brackets (13); the reeling roller (14) is rotatably arranged between the tops of two second brackets (15); the guide roller (16) is rotatably arranged above the bottom plate (11) through the brackets and is located between the reeling roller (12) and the reeling roller (14); and the guide roller (16) is located behind the cutting table (17).

5. The circular knife cutting adjustment device according to claim 4, characterized in that: The support group comprises a third bracket (21) and a fourth bracket (22), wherein the third bracket (21) and the fourth bracket (22) are respectively fixed on both sides of the upper surface of the bottom plate (11) and are located in front of the cutting table (17).

6. The circular knife cutting adjustment device according to claim 5, characterized in that: The power group includes a first power source, a second power source and a third power source, wherein the first power source is fixedly arranged on the inner side of the top of the third bracket (21), the third power source is movably arranged on the inner side of the middle part of the third bracket (21), and the second power source is fixedly arranged on the inner side of the top of the fourth bracket (22).

7. The circular knife cutting adjustment device according to claim 6, characterized in that: The cutting group includes a rotating shaft (26), a circular knife roller (27) and a plurality of circular cutters (28). One end of the rotating shaft (26) is rotatably connected to the fourth bracket (22), and the other end is fixedly connected to a third power source. The third power source is used to drive the rotating shaft (26) to rotate. The circular knife roller (27) is fixedly arranged on the outer ring of the rotating shaft (26), and the circular cutters (28) are all fixedly arranged on the outer ring of the circular knife roller (27).

8. The circular knife cutting adjustment device according to claim 6, characterized in that: The slot cover assembly comprises an arc-shaped cover (291), an arc-shaped slot (292) and a support tray (293); the arc-shaped cover (291) is fixedly connected to the first power source and the second power source respectively via the support tray (293); and the arc-shaped slot (292) is concentrically arranged inside the arc-shaped cover (291).

9. The circular knife cutting adjustment device according to claim 7, characterized in that: The rotation group includes a limiting group and a plurality of balls (297), the limiting group includes a first circular ring (294), a second circular ring (295) and a plurality of screws (296), and the first circular ring (294) and the second circular ring (295) are both fixed on the rotating shaft (26) by the screws (296).

10. The circular knife cutting adjustment device according to claim 9, characterized in that: The balls (297) are located between the first circular ring (294) and the second circular ring (295), and are rotatably connected to both the first circular ring (294) and the second circular ring (295).

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