Paper box punching device

Abstract

The utility model discloses a paper box punching device which comprises a fixing plate, a driving piece, a punch, a lever device and a supporting piece, the lever device comprises a lever, the lever is arranged on the supporting piece in a sleeved mode, the lever comprises a power arm and a resisting arm, the power arm and the resisting arm are located on the two opposite sides of the supporting piece respectively, and the supporting piece is fixed on the fixing plate. The driving part is fixed to the fixing plate, the power arm is connected with the driving part, the punch is connected with the resisting arm, and the length of the power arm is larger than that of the resisting arm. Due to the fact that the lever device is arranged, and the length of the power arm of the lever is larger than that of the resisting arm, when the driving piece acts on one end of the power arm, the punch can be driven by small acting force to punch a paper box, the purpose of saving labor is achieved, the requirement for the power of the driving piece is greatly reduced, larger impulsive force can be brought to the punch, and the punching efficiency is improved. And the paper boxes with smaller sizes can be conveniently punched.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the important component of paper box puncher, and especially relates to a paper box punching device. BACKGROUND

[0002] The prior art paper box punching device directly punches the paper box by the punch driven by the cylinder after fixing the paper box, for example, the paper box punching device disclosed in the application No.202020776640.2 drives the corresponding structure by the drop cylinder to realize the punching. In this kind of punching device, the cylinder acts on the punch to punch, and a larger force cylinder needs to be selected, and the cylinder is required to be increased accordingly, which is suitable for punching the larger size paper box. SUMMARY

[0003] The utility model discloses a kind of paper box punching devices, which can solve at least one of the above problems.

[0004] According to one aspect of the utility model, a kind of paper box punching device is provided, including fixed plate, driving part, punch, lever device and support piece, lever device includes lever, lever is sleeved on support piece, lever includes power arm and resistance arm, power arm and resistance arm are located at the opposite sides of support piece respectively, support piece is fixed on fixed plate, driving part is fixed on fixed plate, power arm is connected with driving part, punch is connected with resistance arm, the length of power arm is greater than the length of resistance arm.

[0005] The utility model has the advantages that: by being provided with lever device, and the length of power arm of lever is greater than the length of resistance arm, therefore, when driving part acts on one end of power arm, punch can be driven to punch paper box with smaller force, the purpose of saving labor is achieved, the power size requirement of driving part is greatly reduced, punch can bring greater punching force, and the punching quality of paper box is improved.

[0006] In some embodiments, the support piece is a knuckle bearing. Thus, the support piece conveniently supports the lever, and the lever is conveniently swung under the action of the driving part.

[0007] In some embodiments, the driving part is a cylinder, and the power arm is connected with the piston rod of the cylinder. Thus, the power arm can be swung by the extension and retraction of the piston rod of the cylinder, so that the resistance arm conveniently drives the punch to punch.

[0008] In some embodiments, the paper box punching device further comprises a first knuckle bearing and a second knuckle bearing, the first knuckle bearing and the second knuckle bearing are respectively located on both sides of the support, the piston rod of the air cylinder is connected with the power arm through the first knuckle bearing, and the punch is connected with the resistance arm through the second knuckle bearing. Thus, by providing the first knuckle bearing and the second knuckle bearing, the two ends of the lever can be conveniently swung, and the punch can be conveniently and stably punched.

[0009] In some embodiments, the paper box punching device further comprises a clamping block, the clamping block is arranged below the fixed plate, a limiting groove is arranged on the clamping block, one end of the punch penetrates through the clamping block and is connected with the second knuckle bearing, and the other end can penetrate through the limiting groove. Thus, by providing the clamping block, the side of the paper box that needs to be punched can be conveniently fixed and limited through the limiting groove, and the accuracy of punching by the punch is improved.

[0010] In some embodiments, the paper box punching device further comprises a first connecting screw rod, one end of the power arm is provided with a first threaded hole, the first connecting screw rod is matched with the first threaded hole, and the first connecting screw rod is sleeved in the first knuckle bearing. Thus, by providing the first connecting screw rod, the lever and the first knuckle bearing can be conveniently matched.

[0011] In some embodiments, the paper box punching device further comprises a second connecting screw rod, one end of the resistance arm is provided with a second threaded hole, the second connecting screw rod is matched with the second threaded hole, and the second connecting screw rod is sleeved in the second knuckle bearing. Thus, by providing the second connecting screw rod, the lever and the second knuckle bearing can be conveniently matched.

[0012] In some embodiments, the top end of the clamping block is provided with a mounting plate, a sliding groove is formed in the mounting plate, the length direction of the sliding groove is consistent with the movement direction of the punch, a mounting hole is arranged on the fixed plate, and the sliding groove and the mounting hole are arranged in correspondence. Thus, by providing the sliding groove, the installation position of the clamping block can be finely adjusted, and the punch can better act on the paper box for punching.

[0013] In some embodiments, the paper box punching device further comprises a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are arranged in parallel and are both fixed above the fixed plate, and the air cylinder is fixed on the first vertical plate and the second vertical plate. Thus, by providing the two vertical plates, a certain distance can be formed between the air cylinder and the punch, and the lever can be conveniently arranged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a structural schematic view of a paper box punching device of the utility model;

[0015] Fig. 2 is a front view structural schematic view of a paper box punching device of the utility model;

[0016] Fig. 3It is a bottom perspective view of the structure of the paper box punching device. DETAILED DESCRIPTION

[0017] The utility model will be described in further detail below with reference to the drawings.

[0018] Reference Figs. 1-3 A paper box punching device, including fixed plate 1, drive piece 2, punch 3, lever device 4 and support 5, lever device 4 includes lever 41, and lever 41 is sleeved on support 5, and lever 41 includes power arm 411 and resistance arm 412, and power arm 411 and resistance arm 412 are located at the opposite sides of support 5 respectively, and support 5 is fixed on fixed plate 1, and drive piece 2 is fixed on fixed plate 1, and power arm 411 is connected with drive piece 2, and punch 3 is connected with resistance arm 412, and the length of power arm 411 is greater than the length of resistance arm 412.

[0019] In actual use, drive piece 2 is a cylinder, power arm 411 is connected with the piston rod of the cylinder, and through the extension and contraction of the piston rod of the cylinder, power arm 411 can be driven to swing back and forth; through power arm 411, resistance arm 412 can be driven to swing; through resistance arm 412, punch 3 is driven to move, and the moving direction of punch 3 is opposite to the extension and contraction direction of the piston rod of the cylinder. When the piston rod of the cylinder extends outward, punch 3 punches the paper box.

[0020] When the paper box punching device is used on a punching machine, two paper box punching devices can be provided, the cylinder and punch 3 are both arranged horizontally, and the paper box passes between the two paper box punching devices and is punched on the corresponding side by punch 3.

[0021] The length of power arm 411 can be twice the length of resistance arm 412, so that the force exerted by the cylinder on power arm 411 is greatly saved, thereby reducing the requirement for the cylinder and achieving the effect of saving labor.

[0022] Support 5 is a knuckle bearing, which is fixed on fixed plate 1 through threaded cooperation and locked and fixed by a nut. Support 5 adopts a knuckle bearing, which can facilitate the swinging of the lever.

[0023] The paper box punching device also includes first knuckle bearing 6 and second knuckle bearing 7, and first knuckle bearing 6 and second knuckle bearing 7 are located at the two sides of support 5 respectively, the piston rod of the cylinder is connected with power arm 411 through first knuckle bearing 6, and punch 3 is connected with resistance arm 412 through second knuckle bearing 7. Among them, a threaded hole is formed in the outer end of the piston rod of the cylinder, and one end of first knuckle bearing 6 is fixed with the piston rod of the cylinder through threaded cooperation; similarly, a threaded hole is formed in the corresponding end of punch 3, and second knuckle bearing 7 is also fixed with punch 3 through threaded cooperation.

[0024] By being provided with the first joint bearing 6 and the second joint bearing 7, the lever can be flexibly swung under the action of the bearings, and the driving member can drive the punch to move back and forth through the lever device, so that the punching function of the carton is realized.

[0025] The paper box punching device further comprises a clamping block 8 arranged below the fixed plate 1, and a limiting groove 81 is arranged on the clamping block 8; one end of the punch 3 is connected with the second joint bearing 7 after penetrating through the clamping block 8, and the other end can penetrate through the limiting groove 81. Therefore, the cylinder and the punch 3 are respectively arranged on the upper and lower sides of the fixed plate 1, and the cylinder does not need to be installed below the fixed plate 1, so that the fixed plate 1 can be installed more downwardly, and the position of the punch 3 is lower, thereby facilitating the punching of the carton with a smaller size.

[0026] The paper box punching device further comprises a first connecting screw 30, one end of the power arm 411 is provided with a first threaded hole, the first connecting screw 30 is matched with the first threaded hole, and the first connecting screw 30 is sleeved in the first joint bearing 6. When the lever cooperates with the first joint bearing 6, the first connecting screw 30 is arranged to prevent the lever from being separated from the first joint bearing 6. The outer diameter of the screw part of the first connecting screw 30 is smaller than the outer diameter of the lever, and the outer diameter of the nut part of the first connecting screw 30 is greater than the inner diameter of the first joint bearing 6. During installation, the screw part of the first connecting screw 30 penetrates through the first joint bearing 6, and then is tightly fixed with the first threaded hole on the lever.

[0027] The paper box punching device further comprises a second connecting screw 9, one end of the resistance arm 412 is provided with a second threaded hole, the second connecting screw 9 is matched with the second threaded hole, and the second connecting screw 9 is sleeved in the second joint bearing 7. Similarly, the matching mode of the second connecting screw 9 and the second joint bearing 7 is the same as that of the first connecting screw 30 and the first joint bearing 6.

[0028] The top end of the clamping block 8 is provided with a mounting plate 82, a sliding groove 83 is arranged on the mounting plate 82, the length direction of the sliding groove 83 is consistent with the moving direction of the punch 3, a mounting hole 11 is arranged on the fixed plate 1, and the sliding groove 83 and the mounting hole 11 are correspondingly arranged. The clamping block 8 and the mounting plate 82 can be fixed by welding. When the clamping block 8 is installed, the sliding groove 83 is aligned with the mounting hole 11, then a bolt outside is penetrated through the sliding groove 83 and the mounting hole 11 to fix the clamping block 8 on the fixed plate 1. Since the sliding groove 83 is arranged, the position of the clamping block 8 can be finely adjusted along the direction of the sliding groove 83, so that the limiting groove 81 on the clamping block 8 can be aligned with the corresponding position of the carton.

[0029] The paper box punching device further comprises a first vertical plate 10 and a second vertical plate 20, the first vertical plate 10 and the second vertical plate 20 are arranged in parallel and are both fixed above the fixed plate 1, and the air cylinder is fixed on the first vertical plate 10 and the second vertical plate 20. The first vertical plate 10 and the second vertical plate 20 are fixed on the upper end surface of the fixed plate 1 through bolts. The front and rear ends of the cylinder body of the air cylinder are fixed on the first vertical plate 10 and the second vertical plate 20 through bolts respectively.

[0030] The first vertical plate 10 and the second vertical plate 20 are arranged, so that the vertical distance between the air cylinder and the punch is increased, thereby facilitating the installation of the lever.

[0031] The above is only a preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the creative concept of the utility model, a plurality of deformations and improvements can be made, which all belong to the protection range of the utility model.

Claims

1. A carton punch apparatus, characterised in that, The utility model provides a kind of automatic rivet pressing device, including fixed plate (1), driving element (2), punch (3), lever device (4) and support (5), the lever device (4) includes lever (41), the lever (41) is sleeved on support (5), the lever (41) includes power arm (411) and resistance arm (412), the power arm (411) and resistance arm (412) are located at opposite sides of support (5) respectively, the support (5) is fixed on fixed plate (1), the driving element (2) is fixed on fixed plate (1), the power arm (411) is connected with driving element (2), the punch (3) is connected with resistance arm (412), the length of power arm (411) is greater than the length of resistance arm (412).

2. A carton punch apparatus according to claim 1, wherein, The support (5) is a knuckle bearing.

3. A carton punch apparatus according to claim 2, wherein, The driving element (2) is a cylinder, and the power arm (411) is connected with a piston rod of the cylinder.

4. A carton punch apparatus according to claim 3, wherein Further comprising a first knuckle bearing (6) and a second knuckle bearing (7), the first knuckle bearing (6) and the second knuckle bearing (7) are respectively located at two sides of the support (5), the piston rod of the cylinder is connected with the power arm (411) through the first knuckle bearing (6), and the punch (3) is connected with the resistance arm (412) through the second knuckle bearing (7).

5. A carton punch apparatus according to claim 4, wherein, Further comprising a clamping block (8), the clamping block (8) is arranged below the fixed plate (1), a limiting groove (81) is arranged on the clamping block (8), one end of the punch (3) penetrates through the clamping block (8) and is connected with the second knuckle bearing (7), and the other end can penetrate through the limiting groove (81).

6. A carton punch apparatus according to claim 4 or 5 wherein, Further comprising a first connecting screw (30), one end of the power arm (411) is provided with a first threaded hole, the first connecting screw (30) is matched with the first threaded hole, and the first connecting screw (30) is sleeved in the first knuckle bearing (6).

7. A carton punch apparatus according to claim 6, wherein Further comprising a second connecting screw (9), one end of the resistance arm (412) is provided with a second threaded hole, the second connecting screw (9) is matched with the second threaded hole, and the second connecting screw (9) is sleeved in the second knuckle bearing (7).

8. A carton punch apparatus according to claim 5, wherein, A mounting plate (82) is arranged at the top end of the clamping block (8), a sliding groove (83) is arranged on the mounting plate (82), the length direction of the sliding groove (83) is consistent with the moving direction of the punch (3), a mounting hole (11) is arranged on the fixed plate (1), and the sliding groove (83) and the mounting hole (11) are arranged correspondingly.

9. A carton punch apparatus according to claim 7, wherein, Further comprising a first vertical plate (10) and a second vertical plate (20), the first vertical plate (10) and the second vertical plate (20) are arranged in parallel and are both fixed above the fixed plate (1), and the cylinder is fixed on the first vertical plate (10) and the second vertical plate (20).

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