Punching knife assembly tool of punching machine

Abstract

The utility model discloses a punching knife assembly tool of a punching machine, which comprises a working table, and the working table is respectively provided with two bases which are parallel to each other; the limiting plate is located between the bases, and a limiting groove for limiting the perforating machine base is formed between the limiting plate and the workbench; the spring press-fitting plate is located above the positioning plate, the spring press-fitting plate is matched with the base in an up-down rotating mode, and the spring is located between the limiting plate and the spring press-fitting plate; when the spring press-fitting plate rotates downwards, the spring is compressed; a first through hole is formed in the spring press-fitting plate, and a second through hole corresponding to the first through hole is formed in the limiting plate; the outer side face of the limiting plate and the outer side face of the spring press-fitting plate are each provided with an opening, the openings are communicated with the first through hole and the second through hole respectively, and the punching knife assembly tool of the punching machine is simple in structure and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling technical field especially relates to a puncher puncher assembly tooling. BACKGROUND

[0002] Manual puncher is one of stationery products using more, structure is relatively simple, between its base and handle is connected with a set of movable support (puncher), the periphery of support piece is sheathed with a spring, wherein the base is provided with an ear, the support piece passes through the ear and is closely matched with the limiting hole on the base, the clamping spring is pressed on the support piece. The handle of manual puncher is a movable lever structure, through manually pressing down the handle to drive the support piece to move downward and enlarge the force, cooperate with the recess die (hole) on the base to complete the punching, slicing, corner cutting of paper, plastic, leather, cloth and other materials. When people release the handle, the spring sheathed on the periphery of the support piece makes the support piece return to the original position.

[0003] According to prior art, there is a paper puncher assembly line, the publication number is CN111421337A, including workbench, puncher base conveying mechanism arranged below the workbench, support piece pressing mechanism arranged on one side of the workbench close to the through hole, puncher base limiting mechanism arranged on the other side of the workbench close to the through hole, spring pressing mechanism and clamping spring pressing mechanism are arranged above the through hole, spring mounting structure and clamping spring mounting structure are separately arranged, the structure is complex, and the cost is high. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a puncher puncher assembly tooling with simple structure and low cost.

[0005] In order to realize the above-mentioned purpose, the technical scheme of the utility model is as follows: a puncher puncher assembly tooling, comprising a workbench, the workbench is respectively provided with:

[0006] Two bases, the bases are parallel to each other;

[0007] A limiting plate is located between the bases, the limiting plate and the workbench have a limiting groove for limiting the puncher base;

[0008] A spring pressing plate is located above the positioning plate and is rotatably connected to the base, and the spring is located between the limiting plate and the spring pressing plate; when the spring pressing plate rotates downward, the spring is compressed;

[0009] A first through hole is arranged on the spring pressing plate, and a second through hole corresponding to the first through hole is arranged on the limiting plate; the outer side surface of the limiting plate and the outer side surface of the spring pressing plate are both provided with an opening, and the opening is respectively communicated with the first through hole and the second through hole;

[0010] When the punch base is clamped in the limiting groove, the punch knife passes through the second through hole, the spring and the first through hole in turn from the punch base upward; when the punch base is separated from the limiting groove, the punch knife with the spring is separated from the opening and the workbench.

[0011] After the above structure is adopted, the utility model has the following advantages compared with the prior art: the limiting plate and the spring pressing plate are arranged between the bases, the spring is arranged between the limiting plate and the spring pressing plate, the spring is compressed by the spring pressing plate which is downwardly rotated and matched on the base; meanwhile, the first through hole and the second through hole are arranged, the spring is located between the first through hole and the second through hole, the punch knife is installed on the punch base from bottom to top and passes through the second through hole, the spring and the first through hole in turn, so that the compressed spring can be installed on the punch knife, and the clamping spring is installed on the punch knife, so that the structure is simple, the cost is low; in addition, the limiting groove and the opening are arranged, the limiting groove is convenient for limiting the punch base, and the opening is convenient for taking out the punch base with the assembled punch knife.

[0012] As a preferred, it further comprises:

[0013] The fixing member is located above the spring pressing plate and is rotationally matched on the base;

[0014] The handle is arranged on one end of the fixing member, the other end of the handle is a free end, and the handle rotates with the fixing member; when the handle is pressed downward, the handle is pressed on the spring pressing plate to make the spring pressing plate rotate downward, so that the structure is simple, the spring pressing plate is rotated by the handle, and labor is saved.

[0015] As a preferred, the fixing member is a cylinder, and the fixing member is arranged eccentrically, so that the handle is pressed downward by the lever principle, and labor is saved more.

[0016] As a preferred, the first through hole and the second through hole are both stepped holes, the diameter of one end of the first through hole close to the spring is greater than the diameter of the other end of the first through hole away from the spring, the diameter of one end of the second through hole close to the spring is greater than the diameter of the other end of the second through hole away from the spring, and the two ends of the spring are respectively abutted on the first through hole and the second through hole to position the spring and prevent the spring from being pressed off-center.

[0017] As a preferred, the outer side surface of the limiting plate is slidably matched with a protection pin for blocking the opening on the limiting plate, the protection pin slides away from and close to the second through hole to prevent the spring from flying out in the process of compressing the spring.

[0018] As a preferred, the first through hole corresponds to the punch knife one by one.

[0019] As preferred, the limiting groove is through from front to back, and a push block for pushing the puncher base out of the limiting groove is arranged in the limiting groove, and the push block is slidingly fitted in the limiting groove, so as to facilitate pushing the puncher base out of the limiting groove.

[0020] As preferred, a push rod is further arranged on the workbench, and the push rod is rotationally fitted on the workbench towards the direction close to and away from the push block, so as to facilitate pushing the push block, and thus easily push the puncher base out of the limiting groove. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the front view of the puncher punch knife assembly tool of the utility model.

[0022] Figure 2 is the front view of the working state of the puncher punch knife assembly tool of the utility model.

[0023] Figure 3 is the top view of the protection pin unlocking of the puncher punch knife assembly tool of the utility model.

[0024] Figure 4 is the top view of the protection pin locking of the puncher punch knife assembly tool of the utility model.

[0025] Figure 5 is the left view of the puncher punch knife assembly tool of the utility model.

[0026] Figure 6 is the left view of the working state of the puncher punch knife assembly tool of the utility model.

[0027] Wherein, 1, workbench, 2, base, 3, limiting plate, 310, limiting groove, 311, push block, 320, second through hole, 330, protection pin, 331, push handle, 340, fixed block, 341, sliding groove, 342, open slot, 4, spring press fitting plate, 410, first through hole, 5, opening, 6, puncher base, 610, lifting lug, 7, spring, 8, punch knife, 9, fixed part, 10, handle, 11, push rod, 12, clamping spring. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and specific embodiments.

[0029] The punch is connected with a group of punch knives 8 (movable supporting pieces) between the punch base 6 and the handle, the punch knives 8 are surrounded by a spring 7, the punch base 6 is provided with a lifting lug 610, the punch knife 8 passes through the lifting lug 610 and is tightly matched with a limiting hole on the punch base 6, the punch knife 8 is pressed and mounted with a snap spring 12, the punch is a punch in a paper punch machine assembly line, and the punch knife 8, the snap spring 12, the spring 7 and the handle need to be mounted on the punch base 6 during installation. The handle is the last step to be installed and is the simplest, the tooling of the utility model is used for mounting the punch knife 8, the snap spring 12 and the spring 7 on the punch base 6.

[0030] Figure 1 It is a front view of the punch knife assembly tooling of the utility model punch, Figure 2 It is a front view of the punch knife assembly tooling of the utility model punch, Figure 1 And 2 As shown in the embodiments shown in the drawings, the utility model provides a punch knife assembly tooling, which comprises a workbench 1, the workbench 1 is respectively provided with a base 2, a limiting plate 3 and a spring pressing plate 4, the two bases 2 are arranged in parallel with each other, and the limiting plate 3 is located between the spring pressing plate 4 and the upper surface of the workbench 1. A limiting groove 310 is formed between the limiting plate 3 and the workbench 1, the limiting groove 310 is located on the front side of the workbench 1, the punch base 6 is inserted into the limiting groove 310, and the punch base 3 is limited; the spring pressing plate 4 is rotatably connected to the base 2, and is used for compressing the spring 7 located between the spring pressing plate 4 and the limiting plate 3; a first through hole 410 is formed in the spring pressing plate 4, a second through hole 320 corresponding to the first through hole 410 is formed in the limiting plate 3, the spring 7 is located between the first through hole 410 and the second through hole 320, and the punch knife 8 passes through the second through hole 320, the spring 7 and the first through hole 410 in sequence from bottom to top, so that the spring 7 is pressed and mounted on the punch knife 8, and then the snap spring 12 is directly mounted on the punch knife 8, and the snap spring 12 is located above the spring pressing plate 4; in addition, the limiting plate 3 and the spring pressing plate 4 are both provided with an opening 5, the opening 5 is in communication with the first through hole 410 and the second through hole 320 respectively, the punch knife 8 is separated from the first through hole 410 and the second through hole 320 through the opening 5, so that the punch knife 8, the snap spring 12 and the spring 7 are mounted, and then the entire punch can be separated from the limiting groove 310. When the spring 7 is compressed, the spring 7 is first placed between the spring pressing plate 4 and the limiting plate 3, and the spring pressing plate 4 is rotated downward by using a power mechanism to compress the spring 7.

[0031] As an embodiment, in order to facilitate driving the spring pressing plate 4 to rotate up and down, it further comprises a fixing member 9 and a handle 10, one end of the handle 10 is fixed on the fixing member 9, the other end of the handle 10 is a free end and extends to the front side of the workbench 1, and the fixing member 9 is rotatably matched on the base 2 through a rotating shaft. The handle 10 is pressed downward to press the spring pressing plate 4 on the spring 7. Specifically, the fixing member 9 is a cylinder, the center of the fixing member 9 is eccentrically arranged with the center of the rotating shaft, a lever is formed between the fixing member 9 and the handle 10, labor is saved, and labor intensity is low.

[0032] As an embodiment, in order to prevent the spring 7 from being pressed off-center, the first through hole 410 and the second through hole 320 are both stepped holes, the diameter of the first through hole 410 near one end of the spring 7 is greater than the diameter of the first through hole 410 far from the other end of the spring 7, the diameter of the second through hole 320 near one end of the spring 7 is greater than the diameter of the second through hole 320 far from the other end of the spring 7, the upper end of the spring 7 abuts against the step of the first through hole 410, and the lower end of the spring 7 abuts against the step of the second through hole 320, so that the spring 7 is positioned in the first through hole 410 and the second through hole 320 respectively, and the spring 7 cannot be pressed off-center in the compression process, and the reliability is high.

[0033] As an embodiment, since the punch base 6 has two groups of punch knives 8, two groups of first through holes 410 are also arranged, and correspondingly, two groups of second through holes 320 are also arranged, that is, the first through hole 410 corresponds to the punch knife 8 one by one, and the second through hole 320 corresponds to the first through hole 410 one by one.

[0034] Figure 3 is a top view of the protection pin unlocking of the punch knife assembly tool of the puncher of the utility model, Figure 4 is a top view of the protection pin locking of the punch knife assembly tool of the puncher of the utility model, as Figure 3 and 4 As shown in the embodiment, in order to prevent the spring 7 from flying out in the compression process, the outer side surface of the limiting plate 3 is slidably matched with a protection pin 330 for blocking the opening 5 on the limiting plate 3, and the protection pin 330 slides away from and towards the second through hole 320. When the spring 7 is compressed, the opening 5 of the second through hole 320 is blocked by the protection pin 330 sliding towards the second through hole 320, so as to realize the locking function of the protection pin, as Figure 4 ; after the snap spring 12 is installed, the opening 5 of the second through hole 320 is separated by the protection pin 330 sliding away from the second through hole 320, so as to realize the unlocking function of the protection pin, as Figure 3Specifically, the outer side of the limiting plate 3 is provided with a fixed block 340, the fixed block 340 is provided with a sliding groove 341, and the sliding groove 341 is distributed along the width direction of the limiting plate 3. Specifically, in order to facilitate operation, the fixed block 340 is provided with an opening groove 342 in communication with the sliding groove 341, the protection pin 330 is provided with a push handle 331, the push handle 331 is movably matched in the opening groove 342 to limit the protection pin 330, and the reliability is high.

[0035] As an embodiment, in order to facilitate the taking out of the assembled puncher base 6, the limiting groove 310 is through from front to back, the limiting groove 310 is provided with a push block 311 for pushing the puncher base 6 out of the limiting groove 310, the push block 311 is located at the rear end of the workbench 1, the push block 311 is slidably matched in the limiting groove 310, and the puncher base 6 is facilitated to be pushed out of the limiting groove 310. Specifically, the workbench 1 is also provided with a push rod 11, the push rod 11 is rotationally matched on the workbench 1 towards the direction close to and away from the push block 311, the push rod 11 is pressed on the side surface of the push block 311 to make the push block 311 move towards the front end of the workbench 1, so that the puncher base 6 is easily pushed out of the limiting groove 310. When the puncher base 6 is clamped in the limiting groove 310, the puncher base 6 extrudes the push block 311 to the original position to realize resetting.

[0036] Specifically, one puncher 8 corresponds to one protection pin 330.

[0037] Figure 5 It is a left view of the puncher puncher assembly tool of the utility model, Figure 6 It is a left view of the puncher puncher assembly tool of the utility model in working state, the push rod 11 is not drawn, such as Figure 5 and 6 As shown in the embodiment, since the lifting lug 610 of the puncher is located at the corner of the puncher base 6, the first through hole 410 is arranged at the corner of the spring press-fitting plate 4. When the puncher base 6 is installed in the limiting groove 310, the inner side wall of the lifting lug 610 abuts against the outer side of the limiting plate 3 and the outer side of the spring press-fitting plate 4, and the first through hole 410 is located in the lifting lug 610. Since the number of the lifting lug 610 is two, and the number of the puncher 8 is two, the first through hole 410 is respectively located at the left and right corners of the spring press-fitting plate 4; when the puncher base 6 is installed in the limiting groove 310, the inner side walls of the two lifting lugs 610 abut against the left and right outer sides of the limiting plate 3 and the left and right outer sides of the spring press-fitting plate 4, so that the puncher is positioned.

[0038] The utility model discloses a principle is set between base 2 limiting plate 3 and spring press -fitting plate 4, spring 7 is established between limiting plate 3 and spring press -fitting plate 4, utilize spring press -fitting plate 4 to rotate down and cooperate on base 2 to spring 7 is compressed, set up first through -hole 410 and second through -hole 320 simultaneously, spring 7 is located between first through -hole 410 and second through -hole 320, install puncher 8 from below to above on puncher base 6 and pass through second through -hole 320, spring 7 and first through -hole 410 in proper order, so that puncher 8 can install spring 7 after compression, then spring clip 12 is installed on puncher 8, simple structure, low in cost, in addition set up limiting slot 310 and opening 5, limiting slot 310 is convenient for limiting puncher base 6, and opening 5 is convenient for taking out puncher base 6 of assembling puncher 8.

[0039] Action process: puncher 8 and lug 610 are all set two groups;One, spring 7 both ends are placed in first through -hole 410 and second through -hole 320 respectively, protection pin 330 moves to opening 5, prevents spring 7 from running out, and the spring press -fitting plate 4 is rotated down and cooperates on base 2 to spring 7 is compressed to compress spring 7;Two, puncher base 6 is placed into limiting slot 310, and the upper surface of puncher base 6 is abutted on the bottom surface of limiting plate 3, at this time, the inner side wall of lug 610 on puncher base 6 is abutted on the outer side of limiting plate 3 and the outer side of spring press -fitting plate 4 respectively, realizing the positioning of puncher, at this time, the left and right two corners of limiting plate 3 and spring press -fitting plate 4 are located in lug 610;Three, puncher 8 is installed from the cutter hole (that is, the limiting hole in the background art) of puncher base 6 upwards, and puncher 8 passes through second through -hole 320, spring 7 and first through -hole 410 in proper order upwards, so that spring 7 is press -fitted on puncher 8;Four, spring clip 12 is placed into the clamping groove of puncher 8, at this time, spring clip 12 is located above spring press -fitting plate 4;Five, the handle 10 above is reset, and spring 7 is reset, and spring 7 drives spring press -fitting plate 4 to abut on the top surface in lug 610, and protection pin is separated from opening 5, and puncher base 6 is pushed out of limiting slot 310 by using push block 311, at this time, puncher 8 is separated from limiting plate 3 and spring press -fitting plate 4 through opening 5.

[0040] On the basis of the above scheme, if various modifications or deformations of the utility model do not deviate from the spirit and scope of the utility model, if these modifications and deformations belong to the right claims and equivalent technical scope of the utility model, then the utility model also intends to include these modifications and deformations.

Claims

1. A punch assembly fixture for a punching machine, comprising a worktable (1), characterized in that: The workbench (1) is respectively equipped with: Two bases (2) are parallel to each other; A limiting plate (3) is located between the bases (2), and there is a limiting groove (310) between the limiting plate (3) and the worktable (1) to limit the drilling machine base (6); Spring press plate (4), the spring press plate (4) is located above the positioning plate () and the spring press plate (4) rotates up and down to fit on the base (2), the spring (7) is located between the limiting plate (3) and the spring press plate (4); when the spring press plate (4) rotates down, the spring (7) is compressed; The spring press plate (4) is provided with a first through hole (410), and the limiting plate (3) is provided with a second through hole (320) corresponding to the first through hole (410); the outer side of the limiting plate (3) and the outer side of the spring press plate (4) are both provided with openings (5), and the openings (5) are respectively connected to the first through hole (410) and the second through hole (320); When the punch base (6) is stuck in the limiting groove (310), the punch (8) passes through the second through hole (320), the spring (7) and the first through hole (410) sequentially from the punch base (6); when the punch base (6) is disengaged from the limiting groove (310), the punch (8) and the spring (7) disengage from the worktable (1) through the opening (5).

2. The punch assembly fixture for a punching machine according to claim 1, characterized in that: It also includes: The fixing member (9) is located above the spring press plate (4) and is rotatably fitted on the base (2); Handle (10), one end of the handle (10) is set on the fixing member (9), and the other end of the handle (10) is a free end. The handle (10) rotates with the fixing member (9). When the handle (10) is pressed down, the handle (10) presses on the spring pressure plate (4) and causes the spring pressure plate (4) to rotate downward.

3. The punch assembly fixture for a punching machine according to claim 2, characterized in that: The fixing member (9) is a cylinder and is eccentrically positioned.

4. The punch assembly fixture for a punching machine according to claim 1, characterized in that: Both the first through hole (410) and the second through hole (320) are stepped holes. The diameter of the end of the first through hole (410) near the spring (7) is larger than the diameter of the end of the first through hole (410) away from the spring (7). The diameter of the end of the second through hole (320) near the spring (7) is larger than the diameter of the end of the second through hole (320) away from the spring (7). The two ends of the spring (7) abut against the first through hole (410) and the second through hole (320) respectively.

5. The punch assembly fixture for a punching machine according to claim 1 or 4, characterized in that: The outer side of the limiting plate (3) is slidably fitted with a protective pin (330) for blocking the opening (5) on the limiting plate (3), and the protective pin (330) slides away from and towards the second through hole (320).

6. The punch assembly fixture for a punching machine according to claim 1, characterized in that: The first through hole (410) corresponds one-to-one with the punch (8).

7. The punch assembly fixture for a punching machine according to claim 1, characterized in that: The limiting groove (310) is through from front to back. The limiting groove (310) is provided with a push block (311) for pushing the punch base (6) out of the limiting groove (310). The push block (311) is slidably engaged in the limiting groove (310).

8. The punch assembly fixture for a punching machine according to claim 7, characterized in that: The worktable (1) is also provided with a push rod (11), which rotates and engages with the worktable (1) in the direction of approaching and moving away from the push block (311).

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