Paper box punching machine

Abstract

The utility model discloses a paper box punching machine which comprises a machine frame, a conveying device, a clamping device, a lifting device, a punching device and a material blocking air cylinder, the clamping device is arranged above the conveying device, the punching device is located above the clamping device, the punching device is connected with the lifting device, and the material blocking air cylinder corresponds to the clamping device and is located above the conveying device. A sensor is arranged on the machine frame and corresponds to the conveying device. By arranging the clamping device, paper boxes conveyed in place by the conveying device can be conveniently clamped under the action of the clamping device, the punching device can conveniently punch the clamped paper boxes, the paper boxes of different sizes and specifications can be conveniently clamped through the clamping device, the sizes of the paper boxes cannot be limited, and the universality of the whole equipment is greatly improved; and meanwhile, manual operation is not needed in the whole process, labor is greatly saved, and the machining efficiency is improved.

Description

Technical Field

[0001] This utility model relates to a punching device, and more particularly to a cardboard box punching machine. Background Technology

[0002] Existing methods for punching holes in cardboard boxes often rely on manual punching due to the difficulty in securing the boxes, resulting in high labor costs and low processing efficiency. To improve punching efficiency, some mechanical punching equipment has emerged on the market. For example, application number 202020776640.2 discloses a cardboard box punching device. During punching, the cardboard box is placed on a die holder, and the cutter head moves to one side of the die holder to punch holes at the corresponding positions on the cardboard box. However, this type of cardboard box punching equipment requires the die holder size to match the cardboard box, limiting its applicability to specific box sizes and lacking versatility. Utility Model Content

[0003] The purpose of this utility model is to provide a cardboard box punching machine that can solve at least one of the above problems.

[0004] According to one aspect of the present invention, a paper box punching machine is provided, including a frame, a conveying device, a clamping device, a lifting device, a punching device, and a baffle cylinder. The conveying device, clamping device, lifting device, and punching device are all mounted on the frame. The clamping device is located above the conveying device, and the punching device is located above the clamping device. The punching device is connected to the lifting device. The baffle cylinder is correspondingly mounted to the clamping device and is located above the conveying device. A sensor is mounted on the frame and corresponds to the conveying device.

[0005] The beneficial effects of this utility model are as follows: By providing a clamping device, the paper boxes conveyed by the conveying device are clamped under the action of the clamping device, which facilitates the punching device to punch holes in the clamped paper boxes. The clamping device can easily clamp paper boxes of different sizes and specifications without limiting the size of the paper boxes, which greatly improves the versatility of the entire equipment. By providing a material-blocking cylinder, the paper boxes can be accurately blocked below the punching device, which helps to improve the accuracy of the punching position. At the same time, the entire process does not require manual operation, which greatly saves labor and improves processing efficiency.

[0006] In some embodiments, the punching device includes a lifting frame, a first punching unit, and a second punching unit. The lifting frame is connected to a lifting device, and the first and second punching units have the same structure and are both mounted on the lifting frame. Therefore, by providing the first and second punching units, it is convenient to punch both sides of the cardboard box simultaneously, greatly improving punching efficiency.

[0007] In some embodiments, the first punching unit includes a mounting base, a clamping block, a punching cylinder, and a punch. The mounting base is mounted on a lifting frame, the clamping block is fixed to the mounting base, and the clamping block has a limiting groove. The cylinder body of the punching cylinder is fixed to the mounting base, and the punch is connected to the piston rod of the punching cylinder. The punch can penetrate the clamping block and is correspondingly positioned to the limiting groove. Thus, by providing the limiting groove, the side of the cardboard box can be engaged into the limiting groove for positioning, facilitating the punching cylinder to drive the punch to accurately punch the corresponding position of the cardboard box.

[0008] In some embodiments, the clamping device includes a limiting rod, a clamping cylinder, and a push rod, and the conveying device includes a conveyor belt. The limiting rod is mounted on the frame and positioned above the conveyor belt. The cylinder body of the clamping cylinder is fixed to the frame, and the push rod is connected to the piston rod of the clamping cylinder. The limiting rod and the push rod are arranged opposite to each other. Thus, through the combined action of the limiting rod and the push rod, the cardboard box can be fixed, preventing movement during punching.

[0009] In some embodiments, mounting rods are provided at both the front and rear ends of the frame, and each mounting rod has a first sliding groove. The two ends of a limiting rod engage with the first sliding groove on the corresponding mounting rod. The mounting rods and limiting rods are arranged perpendicularly, and the first sliding grooves are arranged along the length of the mounting rods. Thus, the first sliding grooves facilitate adjustment of the limiting rods, allowing for better clamping of paper boxes of different sizes.

[0010] In some embodiments, the frame is provided with a first crossbar and a second crossbar, located on the front and rear sides of the punching device, respectively. The first crossbar is connected to a limiting rod via a first connecting rod, and the second crossbar is connected to the limiting rod via a second connecting rod. The first crossbar has a second sliding groove, and the second crossbar has a third sliding groove. The top end of the first connecting rod engages with the second sliding groove, and the top end of the second connecting rod engages with the third sliding groove. This facilitates adjustment of each connecting rod along its corresponding sliding groove, thereby adjusting the position of the limiting rod and better adapting to the clamping of paper boxes of different sizes and specifications.

[0011] In some embodiments, the lifting device includes an adjusting frame and lifting cylinders. The adjusting frame is mounted on the machine frame, and the lifting cylinders are fixed to the adjusting frame. The piston rods of the lifting cylinders are connected to the lifting frame, and there are two lifting cylinders. Thus, the lifting cylinders can drive the lifting frame to move up and down, facilitating the downward movement of the punching device for punching.

[0012] In some embodiments, the cardboard box punching machine also includes a lifting adjustment device, which comprises a lifting screw and a lifting nut. The lifting nut is fixed to the outside of the adjustment frame. One end of the lifting screw has a lifting adjustment handle, and the other end passes through the lifting nut and is sleeved on the machine frame. The lifting screw and the lifting nut are threaded together, and the lifting screw is vertically positioned. Therefore, by providing a lifting adjustment device, the overall lifting of the punching device can be adjusted, facilitating the punching requirements at different heights of the cardboard box.

[0013] In some embodiments, the cardboard box punching machine also includes a left-right adjustment device, which comprises a left-right adjustment screw and a left-right adjustment nut. The left-right adjustment nut is fixed on one of the mounting bases. One end of the left-right adjustment screw has a left-right adjustment handle, and the other end passes through the left-right adjustment nut and is sleeved on the lifting frame. The left-right adjustment screw is horizontally positioned. Therefore, by providing a left-right adjustment device, the distance between the two punching units can be easily adjusted, thereby adapting to the punching requirements of cardboard boxes of different sizes.

[0014] In some embodiments, the frame is equipped with vertical guide rails, and both ends of the lifting frame and the adjusting frame are equipped with sliders that cooperate with the vertical guide rails. Therefore, the smoothness of the lifting and lowering of the lifting frame and the adjusting frame can be improved through the cooperation of the sliders and the vertical guide rails. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the paper box punching machine of this utility model;

[0016] Figure 2 This is a structural schematic diagram of the cardboard box punching machine of this utility model from another perspective;

[0017] Figure 3 This is a schematic diagram of the internal structure of the cardboard box punching machine of this utility model;

[0018] Figure 4 This is a schematic diagram of the lifting device and the punching device in the paper box punching machine of this utility model;

[0019] Figure 5 This is a schematic diagram of the punching device in the paper box punching machine of this utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the first punching unit in the paper box punching machine of this utility model;

[0021] Figure 7 This is a schematic diagram of one embodiment of the cardboard box punching machine of this utility model. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] Reference Figures 1-6 A cardboard box punching machine includes a frame 1, a conveying device 2, a clamping device 3, a lifting device 4, a punching device 5, and a stop cylinder 6. The conveying device 2, clamping device 3, lifting device 4, and punching device 5 are all mounted on the frame 1. The clamping device 3 is positioned above the conveying device 2, and the punching device 5 is located above the clamping device 3. The punching device 5 is connected to the lifting device 4. The stop cylinder 6 is correspondingly positioned above the clamping device 2 and corresponds to the clamping device 3. A sensor 20 is mounted on the frame 1, corresponding to the conveying device 2, meaning the sensor 20 can detect the cardboard boxes being conveyed on the conveying device 2. The sensor 20 can be a photoelectric sensor.

[0024] In actual use, sensor 20 can be connected to an external controller. Sensor 20 sends the received signal to the external controller, which controls the working status of conveying device 2, clamping device 3, lifting device 4 and punching device 5. Controlling the working status of motor and cylinder through controller is existing technology, so the specific control principle will not be described in detail.

[0025] In use, the cardboard box processed in the previous process is placed on the conveyor device 2 and conveyed by the conveyor device 2. After the sensor 20 detects that the cardboard box has been conveyed to the correct position, the piston rod of the baffle cylinder 6 extends to block the cardboard box and prevent it from continuing to be conveyed. At the same time, the conveyor device 2 stops conveying the cardboard box. Then, the clamping device 3 clamps the two sides of the cardboard box, and the lifting device 4 drives the punching device 5 to move down to the corresponding height position of the cardboard box. Then, the punching device 5 punches holes in the side wall of the cardboard box, and the piston rod of the baffle cylinder 6 is pulled back. After the punching is completed, the conveyor device 2 continues to convey the cardboard box, which facilitates continuous punching of the cardboard box without manual operation and improves the punching efficiency of the cardboard box.

[0026] The punching device 5 includes a lifting frame 51, a first punching unit 52, and a second punching unit 53. The lifting frame 51 is connected to the lifting device 4. The first punching unit 52 and the second punching unit 53 have the same structure and are both mounted on the lifting frame 51. The first punching unit 52 and the second punching unit 53 can punch holes in the two side walls of the cardboard box respectively, thereby improving punching efficiency.

[0027] The first punching unit 52 includes a mounting base 521, a clamping block 522, a punching cylinder 523, and a punch 524. The mounting base 521 is mounted on the lifting frame 51. The clamping block 522 is fixed to the mounting base 521 and has a limiting groove 525. The cylinder body of the punching cylinder 523 is fixed to the mounting base 521. The punch 524 is connected to the piston rod of the punching cylinder 523. The punch 524 can penetrate the clamping block 522 and is correspondingly positioned with respect to the limiting groove 525, meaning that the punch 524 can punch holes in the side wall of the cardboard box at the position of the limiting groove 525. The opening of the limiting groove 525 faces downward.

[0028] When the cardboard box is fixed below the punching device 5, the punching device 5 moves downward. The first punching unit 52 and the second punching unit 53 move downward synchronously under the drive of the lifting frame 51. The two limiting grooves 525 clamp the two side walls of the cardboard box respectively. Then the piston rod of the punching cylinder 523 extends, causing the punch 524 to move to one side of the cardboard box to punch, thus completing the punching action of the cardboard box.

[0029] After the cardboard box is punched, the punching cylinder 523 drives the punch 524 to pull back; the lifting frame 51 moves upward to facilitate the continued conveying of the cardboard box on the conveying device 2.

[0030] The clamping device 3 includes a limiting rod 31, a clamping cylinder 32, and a push rod 33. The conveying device 2 includes a conveyor belt 21. The limiting rod 31 is mounted on the frame 1 and located above the conveyor belt 21. The cylinder body of the clamping cylinder 32 is fixed on the frame 1. The push rod 33 is connected to the piston rod of the clamping cylinder 32. The limiting rod 31 and the push rod 33 are arranged opposite to each other, that is, the limiting rod 31 and the push rod 33 can be pressed against the opposite sides of the paper box to achieve clamping and fixing of the paper box.

[0031] The conveying device 2 also includes a conveying motor 22. A sprocket is mounted on the output shaft of the conveying motor 22. The sprocket drives the chain drive. The conveyor belt 21 is mounted on the roller. A sprocket is also mounted on one end of the rotating shaft of the roller. The sprocket is connected to the chain drive, thereby realizing the transmission of the conveying motor 22 to drive the conveyor belt 21.

[0032] When the blocking cylinder 6 blocks the cardboard box, the conveyor motor 22 stops working, and the conveyor belt 21 stops conveying the cardboard box, the piston rod of the clamping cylinder 32 extends, driving the push rod 33 to extend, causing the push rod 33 to move to one side of the cardboard box. Finally, under the combined action of the push rod 33 and the limiting rod 31, the opposite sides of the cardboard box are clamped and positioned, which facilitates the fixing of the cardboard box and makes it easier for the punching device 5 to move downwards to the sides of the cardboard box to punch holes on both sides of the cardboard box.

[0033] In one embodiment, mounting rods 11 are provided at both the front and rear ends of the frame 1. Each mounting rod 11 is provided with a first sliding groove 111 (not shown in the figure). The two ends of the limiting rod 31 cooperate with the first sliding groove 111 on the corresponding mounting rod 11. The mounting rod 11 and the limiting rod 31 are arranged perpendicularly. The first sliding groove 111 is arranged along the length direction of the mounting rod 11.

[0034] In this embodiment (e.g.) Figure 7 As shown, the upper surfaces of the mounting rods 11 at both ends are higher than the upper surface of the conveyor belt 21, allowing the limiting rod 31 to be higher than the conveyor belt 21 after installation. In actual use, the position of the limiting rod 31 can be adjusted according to the size of the cardboard box. Specifically, when the distance between the two sides of the cardboard box requiring holes is large, the limiting rod 31 moves away from the push rod 33 along the first slide groove 111; conversely, when the corresponding size of the cardboard box is small, the limiting rod 31 moves closer to the push rod 33 along the first slide groove 111, reducing the distance between the limiting rod 31 and the push rod 33 to meet different usage requirements. The cooperation between the limiting rod 31 and the first slide groove 111 is existing technology and will not be elaborated here. It satisfies the requirement for adjusting the position of the limiting rod 31, has a simple structure, and is easy to operate.

[0035] In another embodiment, the frame 1 is provided with a first crossbar 12 and a second crossbar 13, which are located on the front and rear sides of the punching device 5, respectively. The first crossbar 12 is connected to the limiting rod 31 via a first connecting rod 14, and the second crossbar 13 is connected to the limiting rod 31 via a second connecting rod 15. The first crossbar 12 is provided with a second sliding groove 121 (not shown in the figure), and the second crossbar 13 is provided with a third sliding groove 131 (not shown in the figure). The top end of the first connecting rod 14 engages with the second sliding groove 121, and the top end of the second connecting rod 15 engages with the third sliding groove 131. By providing the first connecting rod 14 and the second connecting rod 15, it can be ensured that the limiting rod 31 remains flush front and rear. The first connecting rod 14 can move along the second sliding groove 121, and the second connecting rod 15 can move along the third sliding groove 131, thereby adjusting the distance between the limiting rod 31 and the push rod to meet the clamping and fixing of paper boxes of different sizes. The movement of the first connecting rod 14 along the second slide groove 121 and the movement of the second connecting rod 15 along the third slide groove 131 are both existing technologies, and the specific adjustment process will not be described in detail.

[0036] The lifting device 4 includes an adjusting frame 41 and lifting cylinders 42. The adjusting frame 41 is mounted on the machine frame 1, and the lifting cylinders 42 are fixed on the adjusting frame 41. The piston rods of the lifting cylinders 42 are connected to the lifting frame 51. There are two lifting cylinders 42. Specifically, after the cardboard box is fixed by the clamping device 3, the piston rods of the lifting cylinders 42 extend downward, driving the lifting frame 51 to move downward, thereby driving the two punching units on the lifting frame 51 to move downward synchronously, so that the limiting groove 525 can clamp onto the side wall of the cardboard box. Conversely, after the punching device 5 completes punching, the piston rods of the lifting cylinders 42 pull back, driving the lifting frame 51 to move upward and separate from the cardboard box.

[0037] The paper box punching machine of this utility model also includes a lifting adjustment device 7, which includes a lifting screw 71 and a lifting nut 72. The lifting nut 72 is fixed on the outside of the adjustment frame 41. One end of the lifting screw 71 is provided with a lifting adjustment handle 73, and the other end passes through the lifting nut 72 and is sleeved on the machine frame 1. The lifting screw 71 and the lifting nut 72 are threaded together, and the lifting screw 71 is set vertically.

[0038] Specifically, when the height of the cardboard box changes or the height of the area where holes need to be punched changes, the height of the lifting frame 51 is adjusted via the lifting adjustment device 7. During adjustment, an external force acts on the lifting adjustment handle 73, rotating the lifting screw 71, causing the lifting nut 72 to move upward or downward relative to the lifting screw 71. The lifting nut 72 drives the adjustment frame 41 to move upward or downward synchronously. Under the drive of the adjustment frame 41, the lifting frame 51 also rises or falls synchronously, thus meeting different usage requirements.

[0039] The cardboard box punching machine also includes a left and right adjustment device 8, which includes a left and right adjustment screw 81 and a left and right adjustment nut 82. The left and right adjustment nut 82 is fixed on one of the mounting bases 521. One end of the left and right adjustment screw 81 is provided with a left and right adjustment handle 83, and the other end passes through the left and right adjustment nut 82 and is sleeved on the lifting frame 51. The left and right adjustment screw 81 is set horizontally.

[0040] Specifically, when the distance between the sidewalls on both sides of the cardboard box that need to be perforated changes, the distance between the two punching units needs to be adjusted accordingly. At this time, an external force is applied to the left and right adjustment handles 83, and the left and right adjustment screws 81 are rotated, so that the left and right adjustment nuts 82 can move relative to the left and right adjustment screws 81, thereby driving the corresponding mounting bases 521 to move along the left and right adjustment screws 81, thereby increasing or decreasing the distance between the mounting bases 521 of the two punching units to meet different usage requirements and making operation convenient.

[0041] A vertical guide rail 9 is bolted to the frame 1. Slider 10s are fixed to both ends of the lifting frame 51 and the adjusting frame 41, and the slider 10s cooperate with the vertical guide rail 9. Therefore, when the lifting frame 51 and the adjusting frame 41 move up and down, the slider 10s move along the vertical guide rail 9, which improves the stability of the lifting.

[0042] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. A cardboard box punching machine, characterized in that, The device includes a frame (1), a conveying device (2), a clamping device (3), a lifting device (4), a punching device (5), and a blocking cylinder (6). The conveying device (2), clamping device (3), lifting device (4), and punching device (5) are all mounted on the frame (1). The clamping device (3) is located above the conveying device (2), and the punching device (5) is located above the clamping device (3). The punching device (5) is connected to the lifting device (4). The blocking cylinder (6) is correspondingly mounted to the clamping device (3) and is located above the conveying device (2). The frame (1) is equipped with a sensor, which corresponds to the conveying device (2).

2. The cardboard box punching machine according to claim 1, characterized in that, The punching device (5) includes a lifting frame (51), a first punching unit (52) and a second punching unit (53). The lifting frame (51) is connected to the lifting device (4). The first punching unit (52) and the second punching unit (53) have the same structure and are both located on the lifting frame (51).

3. The cardboard box punching machine according to claim 2, characterized in that, The first punching unit (52) includes a mounting base (521), a clamping block (522), a punching cylinder (523), and a punch (524). The mounting base (521) is mounted on the lifting frame (51). The clamping block (522) is fixed on the mounting base (521). The clamping block (522) is provided with a limiting groove (525). The cylinder body of the punching cylinder (523) is fixed on the mounting base (521). The punch (524) is connected to the piston rod of the punching cylinder (523). The punch (524) can penetrate the clamping block (522) and is correspondingly set with the limiting groove (525).

4. The cardboard box punching machine according to any one of claims 1 to 3, characterized in that, The clamping device (3) includes a limiting rod (31), a clamping cylinder (32) and a push rod (33). The conveying device (2) includes a conveyor belt (21). The limiting rod (31) is mounted on the frame (1) and located above the conveyor belt (21). The cylinder body of the clamping cylinder (32) is fixed on the frame (1). The push rod (33) is connected to the piston rod of the clamping cylinder (32). The limiting rod (31) and the push rod (33) are arranged opposite to each other.

5. The cardboard box punching machine according to claim 4, characterized in that, The frame (1) is provided with mounting rods (11) at both the front and rear ends. Each of the two mounting rods (11) is provided with a first sliding groove (111). The two ends of the limiting rod (31) cooperate with the first sliding groove (111) on the corresponding mounting rod (11). The mounting rod (11) and the limiting rod (31) are arranged perpendicularly. The first sliding groove (111) is arranged along the length direction of the mounting rod (11).

6. The cardboard box punching machine according to claim 4, characterized in that, The frame (1) is provided with a first crossbar (12) and a second crossbar (13). The first crossbar (12) and the second crossbar (13) are located on the front and rear sides of the punching device (5), respectively. The first crossbar (12) is connected to the limiting rod (31) through the first connecting rod (14), and the second crossbar (13) is connected to the limiting rod (31) through the second connecting rod (15). The first crossbar (12) is provided with a second sliding groove (121), and the second crossbar (13) is provided with a third sliding groove (131). The top end of the first connecting rod (14) cooperates with the second sliding groove (121), and the top end of the second connecting rod (15) cooperates with the third sliding groove (131).

7. The cardboard box punching machine according to claim 3, characterized in that, The lifting device (4) includes an adjusting frame (41) and a lifting cylinder (42). The adjusting frame (41) is mounted on the frame (1), and the lifting cylinder (42) is fixed on the adjusting frame (41). The piston rod of the lifting cylinder (42) is connected to the lifting frame (51). There are two lifting cylinders (42).

8. The cardboard box punching machine according to claim 7, characterized in that, It also includes a lifting adjustment device (7), which includes a lifting screw (71) and a lifting nut (72). The lifting nut (72) is fixed on the outside of the adjustment frame (41). One end of the lifting screw (71) is provided with a lifting adjustment handle (73), and the other end passes through the lifting nut (72) and is sleeved on the frame (1). The lifting screw (71) and the lifting nut (72) are threaded together, and the lifting screw (71) is vertically arranged.

9. The cardboard box punching machine according to claim 8, characterized in that, It also includes a left and right adjustment device (8), which includes a left and right adjustment screw (81) and a left and right adjustment nut (82). The left and right adjustment nut (82) is fixed on one of the mounting seats (521). One end of the left and right adjustment screw (81) is provided with a left and right adjustment handle (83), and the other end passes through the left and right adjustment nut (82) and is sleeved on the lifting frame (51). The left and right adjustment screw (81) is set horizontally.

10. The cardboard box punching machine according to claim 9, characterized in that, The frame (1) is provided with a vertical guide rail (9), and both ends of the lifting frame (51) and the adjusting frame (41) are provided with sliders (10), which cooperate with the vertical guide rail (9).

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