CN213352728U

CN213352728U - Cutter adjusting mechanism of cutting die

Info

Publication number: CN213352728U
Application number: CN202022205826.5U
Authority: CN
Inventors: 刘光明; 李晖
Original assignee: Dongguan Shifeng Automation Machinery Equipment Co ltd
Current assignee: Dongguan Shifeng Automation Machinery Equipment Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-04
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a knife adjusting mechanism of a knife die, which comprises a workbench, a pull rod, an elastic element, a knife die seat, a knife die, a motor, a screw rod and a wedge block; the pull rod movably penetrates through the workbench along the vertical direction; the elastic element is arranged on the lower side of the workbench and used for driving the bottom end of the pull rod to move downwards; the cutter die holder is positioned above the workbench and fixedly connected with the top end of the pull rod, and a first wedge surface is formed at the bottom of the cutter die holder; the cutting die is arranged at the upper part of the cutting die holder and is used for matching with an upper cutting assembly of the jump cutting machine to finish cutting operation; the motor is arranged on the workbench; the screw rod is connected with an output shaft of the motor; the inclined wedge block can be movably arranged at the upper part of the workbench in a sliding manner along the horizontal direction and is in threaded fit with the screw rod. The utility model discloses can be convenient, adjust the height of cutting die seat accurately, and then adjust the height of the cutting die of installation on it.

Description

Cutter adjusting mechanism of cutting die

Technical Field

The utility model relates to a jump cutter technical field especially relates to cutting die knife adjustment mechanism.

Background

The skip-cutting processing technology is widely applied to the field of manufacturing products such as automobiles, electronics, electric appliances and the like, for example, the knife mold knife adjusting mechanism can be used for cutting materials such as conductive cloth, foam, a diffusion sheet, a reflection surface, double-sided tape, PET, PC, PE insulating paper, copper/aluminum foil and the like. Among the prior art, cutting die knife regulating mechanism of cutting die knife regulating mechanism mainly comprises the fixed cutting die subassembly of fixing on the workstation and the last cutter unit who is located this fixed cutting die subassembly top, and its during operation: the upper cutter assembly linearly reciprocates along the vertical direction, so that the upper cutter assembly and the cutter die of the fixed cutter die assembly are closed or separated to complete the jump cutting operation of jump cutting processing.

However, the upper knife assembly of the cutting device of the prior jump cutting machine is usually driven by a cam transmission structure, so that the stroke of the upper knife assembly is fixed, and on the other hand, the fixed knife die assembly is fixed on the workbench; therefore, the cutting device of the conventional jump cutting machine can only cut a product with a specific specification, and when the specification and the processing requirement of a workpiece are changed, the cutting device cannot complete cutting operation as required.

Aiming at the problem that the height of a cutting die of a fixed cutting die component of a jump cutting machine in the prior art is complex to adjust, an effective solution is not provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a cutting die adjusting mechanism to at least solve the problem of complicated adjustment of the height of the cutting die of the fixed cutting die assembly of the jump cutting machine in the related art.

In order to solve the technical problem, the utility model adopts a technical proposal that the cutting die adjusting mechanism comprises a workbench, a pull rod, an elastic element, a cutting die holder, a cutting die, a motor, a screw rod and a wedge block; the pull rod movably penetrates through the workbench along the vertical direction; the elastic element is arranged on the lower side of the workbench and used for driving the bottom end of the pull rod to move downwards; the cutter die holder is positioned above the workbench and fixedly connected with the top end of the pull rod, and a first wedge surface is formed at the bottom of the cutter die holder; the cutting die is arranged at the upper part of the cutting die holder and is used for matching with an upper cutting assembly of the jump cutting machine to finish cutting operation; the motor is arranged on the workbench; the screw rod is connected with an output shaft of the motor; the inclined wedge block can be movably arranged at the upper part of the workbench in a sliding manner along the horizontal direction and is in threaded fit with the screw rod; and a second wedge surface matched with the first wedge surface is formed at the upper part of the wedge block.

As a further elaboration of the above technical solution:

in the technical scheme, the left side and the right side of the lower part of the cutter die holder are respectively provided with the first wedge surface; each first wedge surface is matched with one wedge block; each inclined wedge block is matched with one lead screw; each screw rod is matched with one motor.

In the above technical solution, the cutting die adjusting mechanism further comprises a backing plate; the base plate is arranged on the workbench; two track plates are arranged on the front side and the rear side of the base plate to form a sliding track groove by matching with the base plate; the cutter die holder and the inclined wedge block are slidably mounted in the sliding track groove.

In the above technical solution, the cutting die adjustment mechanism further comprises a guide sleeve; the guide sleeve sequentially penetrates through the base plate and the workbench from top to bottom; the guide sleeve is fixed on the workbench; the pull rod is in sliding fit with the guide sleeve.

In the technical scheme, the bottom end of the pull rod is provided with an end cover; and two ends of the elastic element are respectively abutted against the lower end face of the guide sleeve and the upper end face of the end cover.

In the above technical solution, the elastic element is any one of a plate spring, a disc spring, a wave spring or a helical compression spring sleeved on the pull rod.

In the technical scheme, the inclined wedge block is provided with a clearance hole in a penetrating and forming mode along the vertical direction; the projection of the horizontal plane of the avoiding hole is in a waist-shaped hole shape; the pull rod penetrates through the avoiding hole.

In the technical scheme, the inclined wedge block is provided with mounting holes arranged along the horizontal direction towards the side wall of the screw rod; the mounting hole is communicated to the avoiding hole; a screw rod nut is arranged in the mounting hole; the screw rod nut is screwed with the screw rod thread.

In the above technical solution, the cutting die adjusting mechanism further comprises a tower; the tower is mounted on the workbench; the side wall of the tower is provided with at least one sliding block which is used for being in sliding connection with an upper cutter component of the jump cutter; the screw rod is arranged along the horizontal direction and is rotatably arranged on the tower; one end of the screw rod is in power connection with the output end of a speed reducer arranged on the tower; the motor is fixed on the speed reducer, and the output shaft of the motor is in power connection with the input end of the speed reducer.

In the technical scheme, a groove is formed in the cutting die; a fixing rod is arranged on the rear side wall of the tower; and the fixed rod is provided with an auxiliary cutter.

Compared with the prior art, the utility model has the advantages that the motor drives the wedge block to slide with high precision in the horizontal direction in a lead screw transmission mode, and the wedge block and the cutter die holder form a group of wedge transmission mechanisms through the matching of the first wedge surface and the second wedge surface, so that the horizontal movement of the wedge block can drive the cutter die holder to move upwards; on the other hand, the elastic element drives the pull rod to move downwards, and the cutter die holder is pulled to move downwards in the process of moving downwards by the pull rod, so that the cutter die holder is pressed and fixed on the inclined wedge block; to sum up, the utility model discloses can realize the infinitely variable control of cutting die base height, and then realize installing the infinitely variable control of the height of the cutting die on this cutting die base, finally make and be equipped with the utility model discloses a cutting mechanism of jump cutting machine can be applicable to the cutting operation of the work piece of different specifications and processing demand, has improved jump cutting machine's machining precision and commonality ability.

Drawings

FIG. 1 is an assembly view of the present invention;

fig. 2 is an exploded view of the present invention.

Reference numerals

1. A work table; 2. a pull rod; 3. an elastic element; 4. a knife die holder; 5. cutting the die; 6. a motor; 7. a screw rod; 8. a tapered wedge; 9. a first cammed surface; 10. a second cammed surface; 12. a base plate; 13. a track plate; 14. A guide sleeve; 15. an end cap; 16. avoiding holes; 17. mounting holes; 18. a feed screw nut; 19. a tower; 20. A slider; 21. a speed reducer; 22. a groove; 23. fixing the rod; 24. an auxiliary cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Fig. 1 to 2 illustrate a specific embodiment of the utility model relates to a cutting die tool setting mechanism, refer to fig. 1 to 2, a cutting die tool setting mechanism, including workstation 1, pull rod 2, elastic element 3, die holder 4, cutting die 5, motor 6, lead screw 7 and tapered wedge 8. The pull rod 2 movably penetrates through the workbench 1 along the vertical direction; the elastic element 3 is arranged at the lower side of the workbench 1 and used for driving the bottom end of the pull rod 2 to move downwards. The cutter die holder 4 is positioned above the workbench 1 and is fixedly connected with the top end of the pull rod 2, and a first wedge surface 9 is formed at the bottom of the cutter die holder; the cutting die 5 is arranged at the upper part of the cutting die holder 4 and is used for matching with an upper cutting knife component of the jump cutting machine to finish cutting operation. The motor 6 is arranged on the workbench 1; the screw rod 7 is connected with an output shaft of the motor 6; the inclined wedge block 8 is movably arranged at the upper part of the workbench 1 in a sliding way along the horizontal direction and is in threaded fit with the screw rod 7; the upper portion of one side of tapered wedge 8 towards the die holder 4 has with the mode shaping of chamfer angle with first tapered wedge face 9 complex second tapered wedge face 10, and then a set of tapered wedge drive mechanism is constituteed with the die holder 4 to tapered wedge 8, makes the utility model discloses horizontal motion drive die holder 4 that can pass through tapered wedge 8 goes upward.

The working principle of the cutting die cutter adjusting mechanism of the embodiment of the application is as follows: firstly, the motor 6 is connected with an external power supply and drives the screw rod 7 to rotate; then, when the screw rod 7 rotates, the oblique wedge block 8 is driven to slide in the horizontal direction in a screw rod transmission mode so as to be close to or far away from the cutter die holder 4; then, when the wedge 8 is close to the cutter die holder 4, the wedge 8 drives the cutter die holder 4 to move upwards for a certain distance, meanwhile, the pull rod 2 is driven to move upwards in the process that the cutter die holder 4 moves upwards, the elastic element 3 is compressed, and the cutter die holder 4 is driven by the pull rod 2 to be tightly propped downwards against the wedge 8 to be fixed; when the wedge 8 is far away from the cutter die holder 4, the elastic element 3 restores to pull the pull rod 2 and the cutter die holder 4 to move downwards, and the cutter die holder 4 is tightly pressed against the wedge 8 downwards to be fixed; finally, the embodiment of the application can achieve the purpose of adjusting the height of the cutting die 5 by adjusting the height of the cutting die holder 4.

It can be understood that, in one embodiment, the left side and the right side of the lower part of the cutter die holder 4 are respectively formed with a first wedge surface 9; each first wedge surface 9 is matched with a wedge block 8; each wedge block 8 is matched with a screw rod 7; each screw rod 7 is matched with a motor 6; in this embodiment: the utility model discloses a two 8 drives of tapered wedge and fixed cutter die holder 4, have improved the rigidity of cutter die holder 4.

It will be appreciated that in one embodiment, the die adjustment mechanism further comprises a shim plate 12; the backing plate 12 is arranged on the workbench 1; two track plates 13 are arranged on the front side and the rear side of the backing plate 12 to form a sliding track groove by matching with the backing plate; the cutter die holder 4 and the inclined wedge block 8 are slidably arranged in the sliding track groove. In the actual use process: the backing plate 12 is a part with higher processing precision and more expensive material price so as to improve the installation precision and the sliding precision of the wedge block 8 and reduce the abrasion speed between the wedge block 8 and the backing plate 12; in contrast, if the working table 1 is made of a material with a high price and applied with a high-cost processing technology, the utility model has a lower cost and is more suitable for industrial production. In addition, can also avoid processing sweeps etc. to block into between backing plate 12, tapered wedge 8 and the die holder 4 through two track boards 13, reduce the utility model discloses a fault rate.

It is understood that in one embodiment, the die adjustment mechanism further includes a guide sleeve 14; the guide sleeve 14 sequentially penetrates through the base plate 12 and the workbench 1 from top to bottom; the guide sleeve 14 is fixed on the workbench 1; the pull rod 2 is in sliding fit with the guide sleeve 14; the guide 14 may be any one of a graphite guide, a linear ball guide or a toner sleeve in the prior art to improve the precision of the movement of the pull rod 2 and reduce the wear rate of the pull rod 2. The bottom end of the pull rod 2 is provided with an end cover 15; the two ends of the elastic element 3 respectively abut against the lower end surface of the guide sleeve 14 and the upper end surface of the end cover 15. The elastic element 3 is a plate spring, a disc spring, a wave spring or a spiral compression spring sleeved on the pull rod 2.

In the embodiment, the wedge 8 is formed with a clearance hole 16 along the vertical direction; the projection of the horizontal plane of the avoiding hole 16 is in a waist-shaped hole shape; the pull rod 2 penetrates through the avoiding hole 16; has the advantage of compact structure. The side wall of the wedge block 8 facing the screw rod 7 is provided with a mounting hole 17 arranged along the horizontal direction; the mounting hole 17 is communicated to the avoiding hole 16; a screw nut 18 is arranged in the mounting hole 17; the feed screw nut 18 is screwed with the feed screw 7.

It will be appreciated that in one embodiment, the cutting die adjustment mechanism further comprises a tower 19, the tower 19 being mounted on the work table 1; the side wall of the tower frame 19 is provided with at least one sliding block 20 which is used for being in sliding connection with an upper cutter component of the jump cutter, so that the sliding precision of the upper cutter component during cutting operation is improved, and the forming quality of a workpiece is improved; in the embodiment, the screw rod 7 is arranged along the horizontal direction and is rotatably arranged on the tower 19; one end of the screw rod 7 is in power connection with the output end of a speed reducer 21 arranged on the tower 19; the motor 6 is fixed on the speed reducer 21, and the output shaft of the motor is in power connection with the input end of the speed reducer 21.

It will be appreciated that in one embodiment, the cutting die 5 is formed with a recess 22; a fixing rod 23 is arranged on the rear side wall of the tower 19; the fixing rod 23 is provided with an auxiliary cutter 24.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. A knife adjusting mechanism of a knife die comprises a workbench and is characterized by further comprising a pull rod, an elastic element, a knife die holder, a knife die, a motor, a screw rod and a wedge block; the pull rod movably penetrates through the workbench along the vertical direction; the elastic element is arranged on the lower side of the workbench and used for driving the bottom end of the pull rod to move downwards; the cutter die holder is positioned above the workbench and fixedly connected with the top end of the pull rod, and a first wedge surface is formed at the bottom of the cutter die holder; the cutting die is arranged at the upper part of the cutting die holder and is used for matching with an upper cutting assembly of the jump cutting machine to finish cutting operation; the motor is arranged on the workbench; the screw rod is connected with an output shaft of the motor; the inclined wedge block can be movably arranged at the upper part of the workbench in a sliding manner along the horizontal direction and is in threaded fit with the screw rod; and a second wedge surface matched with the first wedge surface is formed at the upper part of the wedge block.

2. The cutting die adjusting mechanism according to claim 1, wherein the lower left and right sides of the cutting die holder are respectively formed with one first tapered wedge surface; each first wedge surface is matched with one wedge block; each inclined wedge block is matched with one lead screw; each screw rod is matched with one motor.

3. The cutting die adjustment mechanism according to claim 1, further comprising a backing plate; the base plate is arranged on the workbench; two track plates are arranged on the front side and the rear side of the base plate to form a sliding track groove by matching with the base plate; the cutter die holder and the inclined wedge block are slidably mounted in the sliding track groove.

4. The die adjustment mechanism of claim 3, further comprising a guide sleeve; the guide sleeve sequentially penetrates through the base plate and the workbench from top to bottom; the guide sleeve is fixed on the workbench; the pull rod is in sliding fit with the guide sleeve.

5. The cutting die adjusting mechanism according to claim 4, wherein an end cover is mounted at the bottom end of the pull rod; and two ends of the elastic element are respectively abutted against the lower end face of the guide sleeve and the upper end face of the end cover.

6. The cutting die adjusting mechanism according to claim 5, wherein the elastic element is any one of a plate spring, a disc spring, a wave spring or a helical compression spring sleeved on the pull rod.

7. The cutting die adjusting mechanism according to any one of claims 1 to 6, wherein the wedge block is formed with a clearance hole in a vertical direction; the projection of the horizontal plane of the avoiding hole is in a waist-shaped hole shape; the pull rod penetrates through the avoiding hole.

8. The cutting die adjusting mechanism according to claim 7, wherein the inclined wedge block is formed with mounting holes arranged in a horizontal direction toward a side wall of the screw rod; the mounting hole is communicated to the avoiding hole; a screw rod nut is arranged in the mounting hole; the screw rod nut is screwed with the screw rod thread.

9. The cutting die adjustment mechanism according to claim 8, wherein the cutting die adjustment mechanism further comprises a tower; the tower is mounted on the workbench; the side wall of the tower is provided with at least one sliding block which is used for being in sliding connection with an upper cutter component of the jump cutter; the screw rod is arranged along the horizontal direction and is rotatably arranged on the tower; one end of the screw rod is in power connection with the output end of a speed reducer arranged on the tower; the motor is fixed on the speed reducer, and the output shaft of the motor is in power connection with the input end of the speed reducer.

10. The cutting die adjusting mechanism according to claim 9, wherein a groove is formed on the cutting die; a fixing rod is arranged on the rear side wall of the tower; and the fixed rod is provided with an auxiliary cutter.