EVA (Ethylene Vinyl Acetate) inner film bag production device convenient to install

Abstract

The utility model discloses an EVA inner film bag production device convenient to install, and relates to the technical field of EVA inner film bag processing, the EVA inner film bag production device comprises a processing table, the processing table is provided with a cutting groove and a fixing assembly, the fixing assembly comprises an L-shaped fixing frame, a contact pad, a supporting plate and a connecting rod, the L-shaped fixing frame is installed on the processing table in a sliding mode, the contact pad is fixedly connected with the L-shaped fixing frame, and the supporting plate is fixedly connected with the connecting rod. The supporting plate is fixedly connected with the L-shaped fixing frame, the connecting rod is movably connected with the supporting plate, the cutting installation assembly comprises a support, a strip-shaped box, a fixing plate, a friction pad and a cutting knife, the machining table is fixedly connected with the support, the friction pad is fixedly connected with the fixing plate, and the cutting knife is detachably installed on the strip-shaped box. Through the arrangement of the fixing assembly and the cutting installation assembly, the EVA inner film bag can be fixed while being cut, the EVA inner film bag is prevented from moving in the cutting process, the machining precision is prevented from being affected, and a cutting knife is convenient to disassemble, assemble and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of EVA inner film bag processing, in particular to an EVA inner film bag production device which is easy to install. Background Art

[0002] EVA inner film bags are packaging bags that use EVA as raw material and are produced for packaging food and other items. Since the EVA inner film bags are processed into long strips, they need to be cut using a production device to obtain multiple EVA inner film bags of the same size. During cutting, the cutting knife needs to be fixed to the production device by multiple sets of bolts, which is not conducive to the installation and replacement of the cutting knife.

[0003] The patent with announcement number CN219338775U in the prior art discloses an EVA inner film bag production device that is easy to install, including a base, and two support rods are fixedly connected to the upper surface of the base. A conveying mechanism is provided, which is beneficial when the finished product needs to be conveyed. Since a conveyor belt is sleeved on the outer walls of the two rotating cylinders, the conveyor belt, the two rotating shafts and the rotating cylinders rotate together to achieve the purpose of conveying the finished products. There is no need to manually convey the finished products, which saves manpower. A lifting mechanism is provided, which is beneficial to realize that the lifting plate drives the mounting block cutting blade to move up and down to achieve the cutting of the finished products.

[0004] The device does not have a mechanism for fixing the EVA inner film bag when cutting the EVA inner film bag, which easily causes the EVA inner film bag to shift during cutting, thereby affecting the production and processing of the EVA inner film bag. Therefore, an EVA inner film bag production device that is easy to install is needed to meet people's needs. Utility Model Content

[0005] The utility model aims to provide an EVA inner film bag production device which is easy to install, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an EVA inner film bag production device that is easy to install, comprising a processing table, on which a cutting groove is provided;

[0007] A fixing assembly, the fixing assembly comprising an L-shaped fixing frame, a contact pad, a support plate and a connecting rod, the L-shaped fixing frame being slidably mounted on the processing table, the contact pad being fixedly connected to the L-shaped fixing frame, the support plate being fixedly connected to the L-shaped fixing frame, and the connecting rod being movably connected to the support plate;

[0008] A cutting installation assembly, the cutting installation assembly includes a bracket, a strip box, a fixed plate, a friction pad and a cutting knife, the processing table and the bracket are fixedly connected, the strip box is slidably arranged under the bracket, the fixed plate is slidably arranged at the bottom of the strip box, the friction pad and the fixed plate are fixedly connected, and the cutting knife is detachably mounted on the strip box.

[0009] Furthermore, the fixing assembly also includes a mechanism box, a driving motor, a driving gear and a driven gear, the mechanism box is fixedly connected to the bottom of the processing table, the driving motor is fixedly connected to the inner wall of the mechanism box, the driving gear is fixedly connected to the output end of the driving motor, the driven gear is meshed with the driving gear, and the connecting rod is fixedly connected to the driven gear.

[0010] Furthermore, the fixing assembly also includes a rotating sleeve and a rotating shaft, the rotating sleeve is fixedly connected to the inner wall of the mechanism box, the rotating shaft is rotatably installed in the rotating sleeve, and the rotating shaft is fixedly connected to the driven gear.

[0011] Furthermore, the fixing assembly also includes a slide groove and a round pin, the slide groove is arranged on the support plate, the round pin is slidably mounted on the slide groove, and the connecting rod is rotatably mounted on the round pin.

[0012] Furthermore, the cutting and installation assembly also includes an electric slide rail, an electric slider and an electric push rod. The electric slide rail is fixedly connected to the bracket, the electric slider is slidably matched with the electric slide rail, the electric push rod is fixedly connected to the electric slider, and the output end of the electric push rod is fixedly connected to the strip box.

[0013] Furthermore, the cutting installation assembly also includes a fixed motor, a screw, a forward thread, a reverse thread and a screw sleeve, the fixed motor is fixedly connected to one end surface of the strip box, the screw is rotatably installed in the strip box, the screw and the output end of the fixed motor are fixedly connected, the forward thread and the reverse thread are both opened on the screw, there are two screw sleeves, the two screw sleeves are movably connected to the screw, and the two screw sleeves are symmetrical about the midpoint of the screw.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, through the setting of the fixing assembly, the rotation of the two connecting rods will drive the two support plates to move downward, and the downward movement of the two L-shaped fixing frames will drive the two L-shaped fixing frames to move downward to press and fix the EVA inner film bag on the processing table, thereby preventing the EVA inner film bag from moving during cutting and affecting the processing accuracy. The connecting rod directly contacts the EVA inner film bag, which can increase the contact friction and reduce the damage to the EVA inner film bag caused by the fixation.

[0016] In the utility model, the cutting installation assembly is arranged, and the cutting knife is placed at the bottom of the strip box. The two fixing plates move at the bottom of the strip box and approach each other to clamp and fix the cutting knife. The friction pad directly contacts the cutting knife to increase the contact resistance and improve the fixing effect of the cutting knife. The cutting knife does not need to be disassembled and assembled by multiple fixing bolts. The operation is relatively convenient and the installation and replacement of the cutting knife is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an EVA inner film bag production device that is easy to install proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure in another direction of an EVA inner film bag production device that is easy to install proposed by the utility model;

[0019] Figure 3 This is a schematic cross-sectional view of a mechanism box of an EVA inner film bag production device that is easy to install and proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the connecting rod, support plate, etc. of an EVA inner film bag production device that is easy to install proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of a strip box, a fixing plate, etc. of an EVA inner film bag production device that is easy to install proposed by the utility model;

[0022] Figure 6 The utility model provides a schematic cross-sectional structure diagram of a strip box of an EVA inner film bag production device which is easy to install.

[0023] In the figure: 1. Processing table; 11. Cutting groove; 2. Fixing assembly; 21. L-shaped fixing frame; 22. Contact pad; 23. Support plate; 24. Connecting rod; 25. Mechanism box; 26. Driving motor; 27. Driving gear; 28. Driven gear; 29. ​​Rotating sleeve; 210. Rotating shaft; 211. Slide groove; 212. Round pin; 3. Cutting installation assembly; 31. Bracket; 32. Strip box; 33. Fixing plate; 34. Friction pad; 35. Cutting knife; 36. Electric slide rail; 37. Electric slider; 38. Electric push rod; 39. Fixing motor; 310. Screw; 311. Forward thread; 312. Reverse thread; 313. Screw sleeve. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1:

[0026] like Figure 1-4 As shown, this embodiment provides an EVA inner film bag production device that is easy to install, including a processing table 1, and a cutting groove 11 is opened on the processing table 1;

[0027] The fixing component 2 can fix the EVA inner film bag while cutting the EVA inner film bag, so as to prevent the EVA inner film bag from moving during cutting and affecting the processing accuracy. The fixing component 2 includes an L-shaped fixing frame 21, a contact pad 22, a support plate 23 and a connecting rod 24. The L-shaped fixing frame 21 is slidably mounted on the processing table 1, the contact pad 22 is fixedly connected to the L-shaped fixing frame 21, the support plate 23 is fixedly connected to the L-shaped fixing frame 21, and the connecting rod 24 is movably connected to the support plate 23.

[0028] When the EVA inner film bag needs to be cut, the EVA inner film bag is placed on the processing table 1, and the position to be cut is located at the cutting groove 11. The rotation of the two connecting rods 24 will drive the two support plates 23 to move downward, and the downward movement of the two L-shaped fixing frames 21 will drive the two L-shaped fixing frames 21 to move downward to press and fix the EVA inner film bag on the processing table 1 to prevent the EVA inner film bag from moving during cutting and affecting the processing accuracy. The connecting rod 24 directly contacts the EVA inner film bag, which can increase the contact friction and reduce the damage to the EVA inner film bag caused by the fixation.

[0029] In one embodiment, the fixing assembly 2 further includes a mechanism box 25, a driving motor 26, a driving gear 27 and a driven gear 28, the mechanism box 25 is fixedly connected to the bottom of the processing table 1, the driving motor 26 is fixedly connected to the inner wall of the mechanism box 25, the driving gear 27 is fixedly connected to the output end of the driving motor 26, the driven gear 28 is meshed with the driving gear 27, and the connecting rod 24 is fixedly connected to the driven gear 28;

[0030] The driving motor 26 can rotate to drive the driving gear 27, and the driving gear 27 can rotate to drive two driven gears 28 meshing with the driving gear 27, and the driven gear 28 can rotate to drive the connecting rod 24, thereby playing the role of power transmission and driving.

[0031] In one embodiment, the fixing assembly 2 further includes a rotating sleeve 29 and a rotating shaft 210, the rotating sleeve 29 is fixedly connected to the inner wall of the mechanism box 25, the rotating shaft 210 is rotatably installed in the rotating sleeve 29, and the rotating shaft 210 is fixedly connected to the driven gear 28;

[0032] By disposing the rotating sleeve 29 and the rotating shaft 210 , the rotating shaft 210 rotates in the rotating sleeve 29 , and the rotating sleeve 29 can provide stable support for the rotating shaft 210 and the driven gear 28 .

[0033] In one embodiment, the fixing assembly 2 further includes a slide groove 211 and a round pin 212, the slide groove 211 is provided on the support plate 23, the round pin 212 is slidably mounted on the slide groove 211, and the connecting rod 24 is rotatably mounted on the round pin 212;

[0034] Through the arrangement of the sliding groove 211 and the round pin 212 , when the connecting rod 24 rotates, on the one hand, it drives the round pin 212 to slide on the sliding groove 211 , and on the other hand, it pulls the supporting plate 23 downward.

[0035] Embodiment 2:

[0036] like Figure 1 , Figure 5 , Figure 6 As shown, on the basis of Example 1, the EVA inner film bag can be cut and processed by setting the cutting and installing component 3, which facilitates the disassembly, assembly and replacement of the cutting knife 35.

[0037] The cutting and mounting assembly 3 includes a bracket 31, a strip box 32, a fixing plate 33, a friction pad 34 and a cutting knife 35. The processing table 1 is fixedly connected to the bracket 31, the strip box 32 is slidably arranged below the bracket 31, the fixing plate 33 is slidably arranged at the bottom of the strip box 32, the friction pad 34 is fixedly connected to the fixing plate 33, and the cutting knife 35 is detachably mounted on the strip box 32;

[0038] When the cutting knife 35 needs to be installed, the cutting knife 35 is placed at the bottom of the strip box 32. The two fixing plates 33 move at the bottom of the strip box 32 and approach each other to clamp and fix the cutting knife 35. The friction pad 34 directly contacts the cutting knife 35 to increase the contact resistance and enhance the fixing effect of the cutting knife 35. There is no need to disassemble and assemble the cutting knife 35 through multiple fixing bolts. The operation is relatively convenient, and the installation and replacement of the cutting knife 35 is facilitated.

[0039] In one embodiment, the cutting and mounting assembly 3 further includes an electric slide rail 36, an electric slider 37 and an electric push rod 38, the electric slide rail 36 is fixedly connected to the bracket 31, the electric slider 37 is slidably matched with the electric slide rail 36, the electric push rod 38 is fixedly connected to the electric slider 37, and the output end of the electric push rod 38 is fixedly connected to the strip box 32;

[0040] The extension of the electric push rod 38 can drive the cutting knife 35 to pierce the EVA inner film bag. At this time, the tip of the cutting knife 35 is located in the cutting groove 11, and the electric slider 37 slides on the electric slide rail 36 to drive the cutting knife 35 to cut the EVA inner film bag, thereby dividing the long EVA inner film bag into multiple EVA inner film bags of the same size.

[0041] In one embodiment, the cutting installation assembly 3 further includes a fixed motor 39, a screw rod 310, a forward thread 311, a reverse thread 312 and a screw rod sleeve 313. The fixed motor 39 is fixedly connected to one end surface of the strip box 32. The screw rod 310 is rotatably installed in the strip box 32. The screw rod 310 is fixedly connected to the output end of the fixed motor 39. The forward thread 311 and the reverse thread 312 are both provided on the screw rod 310. There are two screw rod sleeves 313. The two screw rod sleeves 313 are both movably sleeved on the screw rod 310, and the two screw rod sleeves 313 are symmetrical about the midpoint of the screw rod 310.

[0042] The rotation of the fixed motor 39 can drive the screw rod 310 to rotate. Through the setting of the forward thread 311 and the reverse thread 312, the rotation of the screw rod 310 can drive the two screw rod sleeves 313 to move towards each other on the screw rod 310. The two screw rod sleeves 313 move towards each other and drive the two fixed plates 33 to clamp and fix the cutting knife 35, which is convenient for the installation of the cutting knife 35.

[0043] Working principle: When in use, the EVA inner film bag is placed on the processing table 1, and the position to be cut is located at the cutting groove 11, and the driving motor 26 is started. The driving motor 26 rotates to drive the driving gear 27 to rotate, and the driving gear 27 rotates to drive two driven gears 28 meshing with the driving gear 27 to rotate. The driven gear 28 rotates to drive the connecting rod 24 to rotate. The rotation of the two connecting rods 24 will drive the two support plates 23 to move downward, and the two L-shaped fixing frames 21 move downward to press and fix the EVA inner film bag on the processing table 1 to prevent the EVA inner film bag from moving during cutting and affecting the processing accuracy. The connecting rod 24 directly contacts the EVA inner film bag. , which can improve contact friction and reduce the damage to the EVA inner film bag caused by fixation. When the cutting knife 35 needs to be installed and replaced, the cutting knife 35 is placed at the bottom of the strip box 32, and the fixing motor 39 is started. The rotation of the fixing motor 39 can drive the screw rod 310 to rotate. Through the setting of the forward thread 311 and the reverse thread 312, the rotation of the screw rod 310 can drive the two screw rod sleeves 313 on the screw rod 310 to move towards each other. The two screw rod sleeves 313 move towards each other and drive the two fixing plates 33 to clamp and fix the cutting knife 35, which is convenient for the installation of the cutting knife 35. There is no need to disassemble and assemble the cutting knife 35 through multiple fixing bolts. The operation is relatively convenient, which is convenient for the installation and replacement of the cutting knife 35.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An EVA inner film bag production device that is easy to install, comprising: A processing table (1), wherein a cutting groove (11) is provided on the processing table (1); A fixing assembly (2), the fixing assembly (2) comprising an L-shaped fixing frame (21), a contact pad (22), a support plate (23) and a connecting rod (24), the L-shaped fixing frame (21) being slidably mounted on the processing table (1), the contact pad (22) and the L-shaped fixing frame (21) being fixedly connected, the support plate (23) and the L-shaped fixing frame (21) being fixedly connected, and the connecting rod (24) and the support plate (23) being movably connected; A cutting installation assembly (3), the cutting installation assembly (3) comprising a bracket (31), a strip box (32), a fixing plate (33), a friction pad (34) and a cutting knife (35), the processing table (1) and the bracket (31) are fixedly connected, the strip box (32) is slidably arranged below the bracket (31), the fixing plate (33) is slidably arranged at the bottom of the strip box (32), the friction pad (34) and the fixing plate (33) are fixedly connected, and the cutting knife (35) is detachably mounted on the strip box (32).

2. The easy-to-install EVA inner film bag production device according to claim 1 is characterized in that: The fixing assembly (2) further comprises a mechanism box (25), a driving motor (26), a driving gear (27) and a driven gear (28); the mechanism box (25) is fixedly connected to the bottom of the processing table (1); the driving motor (26) is fixedly connected to the inner wall of the mechanism box (25); the driving gear (27) is fixedly connected to the output end of the driving motor (26); the driven gear (28) is meshed with the driving gear (27); and the connecting rod (24) is fixedly connected to the driven gear (28).

3. The easy-to-install EVA inner film bag production device according to claim 2 is characterized in that: The fixing assembly (2) further comprises a rotating sleeve (29) and a rotating shaft (210), wherein the rotating sleeve (29) is fixedly connected to the inner wall of the mechanism box (25), the rotating shaft (210) is rotatably mounted in the rotating sleeve (29), and the rotating shaft (210) is fixedly connected to the driven gear (28).

4. The easy-to-install EVA inner film bag production device according to claim 3 is characterized in that: The fixing assembly (2) further comprises a slide groove (211) and a round pin (212); the slide groove (211) is provided on the support plate (23); the round pin (212) is slidably mounted on the slide groove (211); and the connecting rod (24) is rotatably mounted on the round pin (212).

5. The easy-to-install EVA inner film bag production device according to claim 1 is characterized in that: The cutting and mounting assembly (3) further comprises an electric slide rail (36), an electric slider (37) and an electric push rod (38); the electric slide rail (36) and the bracket (31) are fixedly connected; the electric slider (37) and the electric slide rail (36) are slidably matched; the electric push rod (38) and the electric slider (37) are fixedly connected; and the output end of the electric push rod (38) and the strip box (32) are fixedly connected.

6. The easy-to-install EVA inner film bag production device according to claim 5, characterized in that: The cutting installation assembly (3) further comprises a fixed motor (39), a screw rod (310), a forward thread (311), a reverse thread (312) and a screw rod sleeve (313); the fixed motor (39) is fixedly connected to one end surface of the strip box (32); the screw rod (310) is rotatably mounted in the strip box (32); the screw rod (310) is fixedly connected to an output end of the fixed motor (39); the forward thread (311) and the reverse thread (312) are both provided on the screw rod (310); there are two screw rod sleeves (313); the two screw rod sleeves (313) are both movably sleeved on the screw rod (310), and the two screw rod sleeves (313) are symmetrical about the midpoint of the screw rod (310).

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