Automatic hole pricking machine for EVA (Ethylene Vinyl Acetate) packaging plate

Abstract

The utility model discloses an automatic hole pricking machine for EVA (Ethylene Vinyl Acetate) packaging plate, which relates to the technical field of EVA packaging plates and comprises a machine body and a switch, the inside of the machine body is connected with a sliding block in a sliding manner, and the sliding block is connected with the lower part of a first push rod through a hinge shaft. Meanwhile, the rotating shaft moves in a first groove in a long plate, the long plate is adjusted on the machine body through a fixing shaft at the tail, a second groove in front of the long plate moves synchronously, at the moment, the second groove drives a moving shaft to move, and the moving shaft drives a moving plate to move downwards; and when the movable plate moves in a sliding groove in the machine body, the connecting plate below the movable plate is pressed downwards, and the hole pricking plate below the connecting plate is pressed downwards to prick holes in the EVA packaging plate above the containing table.

Description

Technical Field

[0001] The utility model relates to the technical field of EVA packaging boards, in particular to an automatic hole punching machine for EVA packaging boards. Background Art

[0002] EVA sheet is made of EVA and low-density polyethylene as the main raw materials, with foaming agent and other additives added, and then molded and foamed in a high-temperature foaming furnace to form thick sheets, and then processed by shaping, slicing, post-processing and other series of processes to form EVA sheets or coils. The existing device still has some defects; for example;

[0003] For example, an automatic punching machine for EPE packaging materials with a publication number of CN213946711, when the technology is used, the material on the surface of the driven plate roller passes through the connection between the lower end of the cleaning block and the winding plate roller, the user rotates the rotating disc to drive the fixing bolt to move downward, and drives the fixing rod inside the fixing block, which is convenient for cleaning and smoothing the material, and the user rotates the rocker, and the rocker drives the crankshaft to rotate, and the crankshaft drives the connecting rod to move up and down through the movable sleeve, and the connecting rod drives the mounting plate to move up and down through the connecting head and the connecting frame, and the mounting plate moves up and down along the surface of the slide rail through the slider. When the mounting plate moves downward, the smoothing plate at the lower end of the mounting plate contacts the material, and when the mounting plate continues to move downward, the movable rod at the upper end of the smoothing plate moves downward, which is convenient for smoothing the material and driving the needle to move up and down, which is convenient for punching holes in the material. When the crankshaft rotates, the crankshaft drives the winding plate roller to rotate through the transmission sprocket and the transmission chain, which is convenient for winding up the rotating material after punching holes;

[0004] The above device has some problems. When using the device, the rocker needs to be manually shaken, which is inefficient to use. The material cannot be better fixed during the piercing process and it is cumbersome to use.

[0005] Therefore, we proposed an automatic punching machine for EVA packaging sheets to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an automatic hole punching machine for EVA packaging sheets, so as to solve the problems raised by the above background technology that the automatic hole punching machine for EVA packaging sheets on the market currently has poor hole punching effect and is inconvenient to use.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic hole punching machine for EVA packaging sheets, comprising a machine body and a switch;

[0008] The interior of the machine body is connected to the slider through a sliding connection, and the slider is connected to the bottom of the first push rod through a hinge shaft, and the top of the first push rod is connected to the bottom of the placement table through a hinge shaft, the top of the first push rod is connected to the spring shock absorber through a hinge shaft, and the spring shock absorber is connected to the bottom of the placement table through a hinge shaft, and a fixing mechanism is connected to the top of the placement table;

[0009] The interior of the machine body is connected to the connecting plate through a pushing mechanism, and the lower part of the connecting plate is connected to the punching plate through a snap-fit ​​connecting mechanism.

[0010] As a preferred technical solution of the utility model, a door is arranged on the surface of the machine body, and the door is connected to the machine body through a hinge shaft, and a handle is arranged on the surface of the door.

[0011] As a preferred technical solution of the utility model, the slider is symmetrically arranged about the center of the body, and a first push rod is connected to the top of the slider through a hinge shaft, and through holes are arranged on the placement table, and the through holes are arranged in an array about the placement table.

[0012] As a preferred technical solution of the utility model, the fixing mechanism includes a second push rod, and the second push rod is connected to the placement table, and the front of the second push rod is connected to the fixed arm, and the fixed arm is connected to the slide rod through a sliding connection.

[0013] As a preferred technical solution of the utility model, the second push rods are symmetrically arranged about the center of the placement table, and the front of the second push rods are connected with fixed arms, and the fixed arms are connected to the sliding rods through sliding connections.

[0014] As a preferred technical solution of the utility model, the pushing mechanism includes a motor, and the motor is arranged inside the machine body, and the front of the motor is connected to the turntable, a rotating shaft is fixed above the turntable, and the rotating shaft is arranged in a first groove, and the first groove is arranged inside the long board, the tail of the long board is connected to the machine body through a fixed shaft, and a second groove is arranged in the front of the long board, and a movable shaft is arranged inside the second groove, the movable shaft is connected to the movable plate, and the movable plate is connected to the machine body through a sliding connection.

[0015] As a preferred technical solution of the utility model, the locking connection mechanism includes a third push rod, and the third push rod is connected to the inside of the connecting plate, and the front of the third push rod is connected to a block, the block is locked with the locking block, and the bottom of the locking block is fixedly connected to the perforated plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The device is provided with a convenient use structure. After the EVA packaging board is placed on the placement table inside the machine body, the second push rods on both sides of the placement table are started, so that the second push rods drive the front fixed arm to slide on the slide rod to fix the two sides of the EVA packaging board and then punch holes. When punching holes, the spring shock absorber under the lower placement table is used for buffering. At the same time, the first push rods on both sides drive the slider to move in the slide groove inside the machine body, so that the placement table is pressed down, so that the punching effect is better. When the punching is completed, the first push rod is started again to drive the slider to move, and the upper placement table is reset;

[0018] 2. The device is provided with a punching mechanism, and the motors on both sides of the body are started to drive the turntable to rotate, so that the rotating shaft on the turntable rotates synchronously, and at the same time the rotating shaft moves in the first groove inside the long board, so that the long board is adjusted on the body through the fixed shaft at the tail, so that the second groove in front of the long board moves synchronously. At this time, the second groove drives the moving shaft to move, so that the moving shaft drives the moving plate to move downward, so that the moving plate moves in the slide groove inside the body, and at the same time, the lower connecting plate is pressed down, so that the punching plate under the connecting plate is pressed down to punch holes in the EVA packaging sheet above the placement table. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 This is a schematic diagram of the structure of the placement table of the utility model from a top view;

[0023] Figure 5 This is a schematic diagram of the turntable structure of the utility model.

[0024] In the figure: 1, machine body; 2, switch; 3, slider; 4, first push rod; 5, spring shock absorber; 6, placing table; 7, second push rod; 8, punching plate; 9, fixed arm; 10, slide rod; 11, motor; 12, turntable; 13, rotating shaft; 14, long board; 15, fixed shaft; 16, first groove; 17, second groove; 18, moving shaft; 19, moving plate; 20, connecting plate; 21, third push rod; 22, stopper; 23, card block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-5 The utility model provides a technical solution: an automatic punching machine for EVA packaging sheets, comprising a body 1 and a switch 2, a box door is arranged on the surface of the body 1, and the box door is connected to the body 1 through a hinge shaft, and a handle is arranged on the surface of the box door, the inside of the body 1 is connected to a slider 3 through a sliding connection, the slider 3 is symmetrically arranged about the center of the body 1, and a first push rod 4 is connected above the slider 3 through a hinge shaft, a through hole is arranged on the placement table 6, and the through holes are arranged in an array about the placement table 6, and the slider 3 is connected to the lower part of the first push rod 4 through the hinge shaft, and the upper part of the first push rod 4 is connected to the lower part of the first push rod 4 through a hinge shaft. The chain shaft is connected to the bottom of the placement table 6, the top of the first push rod 4 is connected to the spring shock absorber 5 through a hinge axis, and the top of the spring shock absorber 5 is connected to the bottom of the placement table 6 through a hinge axis, and a fixing mechanism is connected to the top of the placement table 6, the fixing mechanism includes a second push rod 7, and the second push rod 7 is connected to the placement table 6, and the front of the second push rod 7 is connected to a fixed arm 9, and the fixed arm 9 is connected to the slide bar 10 through a sliding connection, the second push rod 7 is symmetrically arranged about the center of the placement table 6, and the front of the second push rod 7 is connected to the fixed arm 9, and the fixed arm 9 is connected to the slide bar 10 through a sliding connection;

[0027] First, when using, after opening the box door on the surface of the machine body 1 through the hinge shaft, the EVA packaging board is placed on the placement table 6 inside the machine body 1, and the second push rods 7 on both sides above the placement table 6 are started, so that the second push rods 7 drive the front fixed arm 9 to slide on the slide rod 10 to fix the two sides of the EVA packaging board. At the same time, the spring shock absorber 5 under the placement table 6 below is buffered when punching holes. At the same time, the first push rods 4 on both sides drive the slider 3 to move in the slide groove inside the machine body 1, so that the placement table 6 is pressed down, so that the punching effect is better. When the punching is completed, the first push rod 4 is started again to drive the slider 3 to move, and the placement table 6 above is reset.

[0028] The interior of the machine body 1 is connected to the connecting plate 20 through a pushing mechanism, the pushing mechanism includes a motor 11, and the motor 11 is arranged inside the machine body 1, and the front of the motor 11 is connected to the turntable 12, a rotating shaft 13 is fixed above the turntable 12, and the rotating shaft 13 is arranged in a first groove 16, and the first groove 16 is arranged inside the long plate 14, the tail of the long plate 14 is connected to the machine body 1 through a fixed shaft 15, and a second groove 17 is arranged in front of the long plate 14, and a moving shaft 18 is arranged inside the second groove 17, the moving shaft 18 is connected to the moving plate 19, and the moving plate 19 is connected to the machine body 1 through a sliding connection, and the lower part of the connecting plate 20 is connected to the punching plate 8 through a snap-fit ​​connection mechanism, the snap-fit ​​connection mechanism includes a third push rod 21, and the third push rod 21 is connected to the inside of the connecting plate 20, and the front of the third push rod 21 is connected to a stopper 22, the stopper 22 is snapped with a card block 23, and the lower part of the card block 23 is fixedly connected to the punching plate 8;

[0029] The motors 11 on both sides of the body 1 are started to drive the turntable 12 to rotate, so that the rotating shaft 13 on the turntable 12 rotates synchronously, and at the same time, the rotating shaft 13 moves in the first groove 16 inside the long board 14, so that the long board 14 is adjusted on the body 1 through the fixed shaft 15 at the tail, so that the second groove 17 in front of the long board 14 moves synchronously, and at this time, the second groove 17 drives the moving shaft 18 to move, so that the moving shaft 18 drives the moving plate 19 to move downward, so that the moving plate 19 moves in the slide groove inside the body 1. At the same time, the lower connecting The plate 20 is pressed down, so that the punching plate 8 below the connecting plate 20 is pressed down to punch holes in the EVA packaging sheet above the placement table 6. When punching holes, the sharp protrusions that penetrate the lower rear end of the EVA packaging plate will enter the through holes inside the placement table 6 without causing damage to the placement table 6. Sometimes it is necessary to punch holes of inconsistent sizes or different spacings in the EVA packaging plate. The third push rod 21 is activated by the switch 2 to drive the stopper 22 to move backward, so that the stopper 22 and the clamping block 23 are disengaged, and the punching plate 8 and the connecting block can be separated and the punching plate 8 can be replaced.

[0030] Working principle: When using the automatic punching machine for EVA packaging sheets, first, after opening the box door on the surface of the machine body 1 through the hinge shaft, the EVA packaging board is placed on the placement table 6 inside the machine body 1, and the second push rods 7 on both sides above the placement table 6 are started, so that the second push rods 7 drive the front fixed arm 9 to slide on the slide rod 10 to fix the two sides of the EVA packaging board, and then the motors 11 on both sides inside the machine body 1 are started to drive the turntable 12 to rotate, so that the rotating shaft 13 on the turntable 12 rotates synchronously, and at the same time, the rotating shaft 13 moves in the first groove 16 inside the long board 14, so that the long board 14 is adjusted on the machine body 1 through the fixed shaft 15 at the tail, so that the second groove 17 in front of the long board 14 moves synchronously, and at this time, the second groove 17 drives the moving shaft 18 to move, so that the moving shaft 18 drives the moving plate 19 to move downward, so that the moving plate 19 moves in the slide groove inside the machine body 1 at the same time , the lower connecting plate 20 is pressed down, so that the punching plate 8 under the connecting plate 20 is pressed down to punch holes in the EVA packaging sheet above the placement table 6. When punching holes, the sharp protrusions at the lower back of the EVA packaging plate will enter the through holes inside the placement table 6 and will not cause damage to the placement table 6. At the same time, the spring shock absorber 5 under the placement table 6 below is buffered when punching holes. At the same time, the first push rods 4 on both sides drive the slider 3 to move in the slide groove inside the body 1, so that the placement table 6 is pressed down, so that the punching effect is better. When the punching is completed, the first push rod 4 is started again to drive the slider 3 to move, and the placement table 6 above is reset. Sometimes it is necessary to punch holes of inconsistent sizes or different spacings in the EVA packaging board. The third push rod 21 is started by the switch 2 to drive the stopper 22 to move backward, so that the stopper 22 and the clamping block 23 are disengaged, and the punching plate 8 and the connecting block can be separated and the punching plate 8 can be replaced.

[0031] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An automatic hole punching machine for EVA packaging sheets, comprising a machine body (1) and a switch (2); Features: The interior of the machine body (1) is connected to the slider (3) via a sliding connection, and the slider (3) is connected to the bottom of the first push rod (4) via a hinge axis, and the top of the first push rod (4) is connected to the bottom of the placement platform (6) via a hinge axis, the top of the first push rod (4) is connected to the spring shock absorber (5) via a hinge axis, and the top of the spring shock absorber (5) is connected to the bottom of the placement platform (6) via a hinge axis, and a fixing mechanism is connected to the top of the placement platform (6); The interior of the machine body (1) is connected to the connecting plate (20) via a pushing mechanism, and the bottom of the connecting plate (20) is connected to the punching plate (8) via a snap-fit ​​connection mechanism.

2. The automatic punching machine for EVA packaging sheets according to claim 1, characterized in that: The surface of the machine body (1) is provided with a door, the door is connected to the machine body (1) via a hinge shaft, and a handle is provided on the surface of the door.

3. The automatic punching machine for EVA packaging sheets according to claim 1, characterized in that: The slider (3) is symmetrically arranged about the center of the machine body (1), and a first push rod (4) is connected to the top of the slider (3) via a hinge shaft. Through holes are arranged on the placement platform (6), and the through holes are arranged in an array about the placement platform (6).

4. The automatic punching machine for EVA packaging sheets according to claim 1, characterized in that: The fixing mechanism comprises a second push rod (7), and the second push rod (7) is connected to the placement platform (6), and the front of the second push rod (7) is connected to a fixing arm (9), and the fixing arm (9) is connected to a sliding rod (10) through a sliding connection.

5. The automatic punching machine for EVA packaging sheets according to claim 4 is characterized in that: The second push rods (7) are symmetrically arranged about the center of the placement platform (6), and the front of the second push rods (7) are connected with fixed arms (9), and the fixed arms (9) are connected to the sliding rods (10) through sliding connections.

6. The automatic punching machine for EVA packaging sheets according to claim 1, characterized in that: The pushing mechanism comprises a motor (11), and the motor (11) is arranged inside the machine body (1), and the front of the motor (11) is connected to a turntable (12), a rotating shaft (13) is fixed above the turntable (12), and the rotating shaft (13) is arranged in a first groove (16), and the first groove (16) is arranged inside a long plate (14), the tail of the long plate (14) is connected to the machine body (1) through a fixed shaft (15), and a second groove (17) is arranged in front of the long plate (14), and a moving shaft (18) is arranged inside the second groove (17), the moving shaft (18) is connected to a moving plate (19), and the moving plate (19) is connected to the machine body (1) through a sliding connection.

7. The automatic punching machine for EVA packaging sheets according to claim 1, characterized in that: The snap-fit ​​connection mechanism comprises a third push rod (21), the third push rod (21) is connected to the inside of the connecting plate (20), and the front of the third push rod (21) is connected to a stopper (22), the stopper (22) is snap-fitted to a stopper (23), and the bottom of the stopper (23) is fixedly connected to the punching plate (8).

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