Vulcanizing machine for producing EVA (Ethylene Vinyl Acetate) foaming material

Abstract

The utility model relates to the field of vulcanizing machines, in particular to a vulcanizing machine for producing an EVA (Ethylene Vinyl Acetate) foaming material. Comprising bottom plates, a plurality of first hinges are arranged on the outer wall of each bottom plate, the first hinges are arranged in an annular array with the center of the top of the bottom plate as the center, two side plates are symmetrically installed at the edge of the top of the bottom plate, and a rear plate is installed at the edge of the top of the bottom plate; a front plate is installed at the end, away from the rear plate, of the top of the bottom plate, a top plate is arranged over the bottom plate, two sets of second hinges are symmetrically installed at the top of the rear plate, and the other ends of the second hinges are installed at the edge of the top of the top plate; the tops of the opposite side walls of the two side plates and the center of the top edge of the top plate are each provided with a pulling assembly. According to the embodiment, the equipment is convenient to assemble and disassemble to overhaul, maintain and clean, and the working efficiency is improved while the limitation is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of vulcanizing machines, in particular to a vulcanizing machine used for producing EVA foaming materials. Background Art

[0002] EVA material has the characteristics of biodegradability, odor-free, phthalate-free, super low temperature resistance (-70℃), resistance to water, salt and other substances, high heat adhesion, screen printing and offset printing, etc. Because EVA resin has excellent flexibility, elasticity, transparency, low temperature flexibility, adhesion, compatibility and easy processing performance, and is resistant to aging and easy to color, it is widely used in antifreeze food bags, various stretch films, sandwich panels (extruded films), greenhouse films and various agricultural production films, high-strength rupture-resistant bags, cable insulation materials, adhesives, foam products and other fields. When making EVA foam material, a vulcanizer is usually used to make the EVA material foamed. The commonly used vulcanizer is to add EVA raw materials and other mixed solvents into the mold, and heat the mold to a certain temperature and pressurize it for vulcanization and foaming.

[0003] After searching, in the prior art, the Chinese patent announcement number: CN216658648U, the authorization announcement date: 2022-06-03, announced a vulcanizer for the production of EVA foam materials, including a machine body, and also including: a rotating mechanism, a heat dissipation mechanism, an air collecting mechanism, and a shock absorbing mechanism. The rotating mechanism is installed at the top of the machine body and is movably connected to the machine body, the heat dissipation mechanism is installed on one side of the machine body and is fixedly connected to the machine body, the air collecting mechanism is installed on the back of the machine body and is fixedly connected to the machine body, the shock absorbing mechanism is installed at the top of the machine body and is movably connected to the machine body, and the machine body includes a workbench, the top of the workbench is fixedly connected to an upper mounting plate support frame, the bottom end of the support frame is fixedly connected to a hydraulic rod, the top of the hydraulic rod is fixedly connected to an upper mounting plate, the bottom end of the upper mounting plate is fixedly connected to an upper heating plate, and the bottom end of the upper heating plate is fixedly connected to an upper mold. The above embodiment is conducive to improving work efficiency and improving the safety of the equipment.

[0004] However, the device still has the following defects: the above embodiment does not have the installation and disassembly effect. If it does not have the installation and disassembly effect, the operating space and vision of the staff will be limited when inspecting, maintaining and cleaning the equipment, which will have limitations and reduce work efficiency. Utility Model Content

[0005] In view of the above problems, the utility model provides a vulcanizing machine for the production of EVA foam materials, comprising a bottom plate, a plurality of first hinges are arranged on the outer wall of each group of the bottom plates, the first hinges are arranged in a circular array with the top center of the bottom plate as the center, two groups of side plates are symmetrically installed at the top edge of the bottom plate, a rear plate is installed at the top edge of the bottom plate, a front plate is installed at one end of the top of the bottom plate away from the rear plate, and the other ends of the plurality of first hinges are respectively installed at the bottom edge of one side wall of the rear plate, the front plate and the two groups of side plates;

[0006] An opening is provided at the bottom center of one side wall of the front panel, a top panel is provided directly above the bottom panel, two groups of second hinges are symmetrically installed on the top of the rear panel, the other end of each group of second hinges is installed at the top edge of the top panel, a group of pulling components are installed at the top of the side walls opposite to each other of the two groups of side panels and at the center of the top edge of the top panel, a heat dissipation device is installed on one group of the side panels, and an air collecting device is provided on one side wall of the rear panel.

[0007] Furthermore, the pulling assembly includes a fixing block, a connecting ring is provided on the fixing block, and a pulling ring is provided on the connecting ring.

[0008] Furthermore, two groups of supporting legs are symmetrically arranged below the base plate, a group of electric push rods are installed on the top of each group of supporting legs, and the output end of each group of electric push rods is installed at the bottom edge of the base plate.

[0009] Furthermore, two groups of first threaded holes are symmetrically opened at the top edge of the top plate, a group of limiting grooves are opened on the top of each group of side plates, a group of screws are arranged directly above each group of the first threaded holes, and the output ends of each group of screws pass through the first threaded holes and are placed in the limiting grooves.

[0010] Furthermore, two groups of cylinders are symmetrically installed at the center of the bottom edge of the top plate, a mounting plate is provided below the top plate, the output ends of the two groups of cylinders are installed at the top edge of the mounting plate, an upper heating plate is installed at the bottom center of the mounting plate, and an upper mold is installed at the bottom of the upper heating plate.

[0011] Furthermore, two groups of second threaded holes are symmetrically opened at the top edge of the mounting plate, a group of screws are threadedly connected in each group of the second threaded holes, a nut is provided on each group of the screws, and the nut is located above the mounting plate, a group of first movable grooves are opened at the bottom center of each group of the screws, and a group of movable blocks are provided in each group of the first movable grooves.

[0012] Furthermore, a group of second moving grooves is installed on the top of each group of the moving blocks, and the other end of each group of the second moving grooves is installed on the inner wall of the screw rod. A group of springs is arranged in each group of the second moving grooves, and one end of each group of the springs is placed on the top of the moving block. A group of moving rods is opened in each group of the screw rods, and the other end of each group of the springs is placed in the moving rods.

[0013] Furthermore, an empty groove is opened at the top center of the base plate, a connecting plate is arranged in the empty groove, the outer wall of the connecting plate is slidably fitted on the inner wall of the base plate, and a plurality of groups of card slots are opened at the top edge of the connecting plate in a circular array with the top center of the connecting plate.

[0014] Furthermore, a group of card blocks are movably connected in each group of the card slots, a group of lower heating plates are installed at the center of the top edges of each group of the card blocks, and a group of lower molds are installed at the center of the top of each group of the lower heating plates.

[0015] Furthermore, a through hole is opened at the bottom center of the base plate, a fixed plate is arranged directly below the base plate, two groups of second electric push rods are symmetrically opened at the bottom of the base plate, the output end of each group of the second electric push rods is installed at the top edge of the fixed plate, a motor is installed at the top center of the fixed plate, a connecting rod is transmission-connected to the output end of the motor, and the other end of the connecting rod passes through the through hole and is installed at the bottom center of the connecting plate.

[0016] The beneficial effects of the utility model are:

[0017] 1. Turn the screw to withdraw it from the limit groove and the first threaded hole, pull the pulling assembly installed on the top of the top plate to drive the top plate to move, and also drive the back plate to move. Pull the pulling assembly installed on the side plate to drive the side plate to move and open, and move the front plate to open, which is convenient for installation and disassembly to inspect, maintain and clean the equipment, reducing limitations while improving work efficiency.

[0018] 2. The second electric push rod drives the motor to rise and drives the connecting rod to rise at the same time. The connecting rod drives the connecting plate to rise and pull it out of the empty slot. The movable lower mold and the lower heating plate drive the card block to be pulled out of the card slot to separate it from the connecting plate. The card block can be installed by movable card connection and can be disassembled and installed, which is convenient for replacement, thereby improving convenience and practicality.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of a vulcanizing machine according to an embodiment of the utility model is shown;

[0022] Figure 2 A schematic cross-sectional view of a vulcanizing machine according to an embodiment of the utility model is shown;

[0023] Figure 3 A schematic diagram of the structure of a pulling assembly according to an embodiment of the utility model is shown;

[0024] Figure 4 A schematic diagram of the structure of a connecting plate according to an embodiment of the utility model is shown;

[0025] Figure 5 A schematic cross-sectional view of a screw according to an embodiment of the utility model is shown;

[0026] Figure 6 An enlarged view of part A according to an embodiment of the utility model is shown.

[0027] In the figure: 1, bottom plate; 2, supporting leg; 3, electric push rod; 4, first hinge; 5, side plate; 6, rear plate; 7, front plate; 8, opening; 9, top plate; 10, second hinge; 11, pulling assembly; 111, fixing block; 112, connecting ring; 113, pulling ring; 12, cylinder; 13, mounting plate; 14, upper heating plate; 15, upper mold; 16, second threaded hole; 17, screw; 18, first moving slot; 19, moving block; 20, nut; 21, second moving slot; 22, spring; 23, moving rod; 24, heat dissipation device; 25, empty slot; 26, connecting plate; 27, clamping slot; 28, clamping block; 29, lower heating plate; 30, lower mold; 31, through hole; 32, fixing plate; 33, second electric push rod; 34, motor; 35, connecting rod; 36, first threaded hole; 37, limit slot; 38, screw. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The present invention provides a vulcanizing machine for producing EVA foaming materials, including a bottom plate 1, exemplarily, as Figure 1 and Figure 2 As shown, two groups of supporting legs 2 are symmetrically arranged below the bottom plate 1, a group of electric push rods 3 are installed on the top of each group of supporting legs 2, and the output end of each group of electric push rods 3 is installed at the bottom edge of the bottom plate 1, and a plurality of groups of first hinges 4 are arranged on the outer wall of each group of the bottom plate 1, and the first hinges 4 are arranged in a circular array with the top center of the bottom plate 1 as the center, and two groups of side panels 5 are symmetrically installed at the top edge of the bottom plate 1, and a heat dissipation device 24 is installed on one group of the side panels 5, and a rear plate 6 is installed at the top edge of the bottom plate 1, and a side wall of the rear plate 6 is provided with An air collecting device, wherein a front plate 7 is installed at one end of the top of the bottom plate 1 away from the rear plate 6, and the other ends of several groups of the first hinges 4 are respectively installed at the bottom edges of one side wall of the rear plate 6, the front plate 7 and two groups of side plates 5, and an opening 8 is opened at the bottom center of one side wall of the front plate 7, and a top plate 9 is arranged directly above the bottom plate 1, and two groups of second hinges 10 are symmetrically installed on the top of the rear plate 6, and the other end of each group of the second hinges 10 is installed at the top edge of the top plate 9, and a group of pulling components 11 are installed at the top of the side walls of the two groups of side plates 5 that are opposite to each other and at the center of the top edge of the top plate 9.

[0030] For example, Figure 3 As shown, the pulling assembly 11 includes a fixing block 111 , a connecting ring 112 is provided on the fixing block 111 , and a pulling ring 113 is provided on the connecting ring 112 .

[0031] For example, Figure 2 , Figure 5 and Figure 6As shown, two groups of first threaded holes 36 are symmetrically opened at the top edge of the top plate 9, a group of limiting grooves 37 are opened at the top of each group of side plates 5, a group of screws 38 are arranged directly above each group of the first threaded holes 36, and the output ends of each group of the screws 38 pass through the first threaded holes 36 and are placed in the limiting grooves 37, two groups of cylinders 12 are symmetrically installed at the center of the bottom edge of the top plate 9, a mounting plate 13 is arranged below the top plate 9, and the output ends of the two groups of cylinders 12 are installed at the top edge of the mounting plate 13, an upper heating plate 14 is installed at the bottom center of the mounting plate 13, and an upper mold 15 is installed at the bottom of the upper heating plate 14, and two groups of second threaded holes 16 are symmetrically opened at the top edge of the mounting plate 13, each group A group of screws 17 are threadedly connected in the second threaded holes 16, and a nut 20 is provided on each group of the screws 17. The nut 20 is located above the mounting plate 13. A group of first moving grooves 18 are opened at the bottom center of each group of the screws 17, and a group of moving blocks 19 are provided in each group of the first moving grooves 18. A group of second moving grooves 21 are installed on the top of each group of the moving blocks 19, and the other end of each group of the second moving grooves 21 is installed on the inner wall of the screw 17. A group of springs 22 are provided in each group of the second moving grooves 21, and one end of each group of the springs 22 is placed on the top of the moving block 19. A group of moving rods 23 are opened in each group of the screws 17, and the other end of each group of the springs 22 is placed in the moving rods 23.

[0032] For example, Figure 2 and Figure 4 As shown, a slot 25 is provided at the top center of the bottom plate 1, a connecting plate 26 is provided in the slot 25, the outer wall of the connecting plate 26 is slidably fitted on the inner wall of the bottom plate 1, a plurality of groups of card slots 27 are provided at the top edge of the connecting plate 26 in a circular array at the top center of the connecting plate 26, a group of card blocks 28 are movably connected in each group of the card slots 27, a group of lower heating plates 29 are installed at the top center of each group of the card blocks 28, and a group of The lower mold 30 has a through hole 31 at the bottom center of the base plate 1, a fixed plate 32 is arranged directly below the base plate 1, and two groups of second electric push rods 33 are symmetrically provided at the bottom of the base plate 1, and the output end of each group of the second electric push rods 33 is installed at the top edge of the fixed plate 32, and a motor 34 is installed at the top center of the fixed plate 32, and a connecting rod 35 is transmission-connected to the output end of the motor 34, and the other end of the connecting rod 35 passes through the through hole 31 and is installed at the bottom center of the connecting plate 26.

[0033] Working principle: according to production requirements, turn the screw 17 to adjust it to a suitable length, tighten the nut 20 to make it fit on the top of the mounting plate 13, add the EVA raw material into the lower mold 30, start the motor 34 to drive the connecting plate 26 to rotate clockwise, and start the lower heating plate 29 to heat it to a suitable temperature, move the lower mold 30 with the raw material added to the bottom of the upper mold 15, start the upper heating plate 14 to heat the upper mold 15 to a certain temperature and keep it constant, start the cylinder 12 to drive the mounting plate 13 to move downward, and when the bottom end of the moving block 19 contacts the top end of the connecting plate 26, the moving block 19 moves to the first In the moving groove 18, the spring 22 is squeezed, and the moving rod 23 moves in the second moving groove 21. The upper mold 15 contacts the lower mold 30 and pressurizes the EVA raw material in the lower mold 30 for vulcanization. The motor 34 continues to rotate the connecting plate 26 to move the next lower mold 30 to the bottom of the upper mold 15 for vulcanization. The processed foamed board moves with the lower mold 30 to a position close to the heat dissipation device 24, and is cooled by the heat dissipation device 24. Then, as the connecting plate 26 rotates to the initial position, the operator removes the foaming material and adds EVA raw material, and repeats the previous operation.

[0034] The screw 38 is pulled out of the limit groove 37 and the first threaded hole 36, and the pulling component 11 installed on the top of the top plate 9 is pulled to drive the top plate 9 to move, and the rear plate 6 can also be driven to move. The pulling component 11 installed on the side plate 5 is pulled to drive the side plate 5 to move and open, and the front plate 7 is moved to open, so that the equipment on the top plate 9 can be inspected, maintained and cleaned, and it is convenient to clean the equipment as a whole, and the reverse operation can be restored. By controlling the electric push rod 3 to start, the electric push rod 3 drives the bottom plate 1 to rise and adjust the height of the equipment, which is convenient for staff of different heights to operate and use. The second electric push rod 33 drives the motor 34 to rise while driving the connecting rod 35 to rise. The connecting rod 35 drives the connecting plate 26 to rise and be pulled out of the empty groove 25, and the movable lower mold 30 and the lower heating plate 29 drive the block 28 to be pulled out of the slot 27, so that it is separated from the connecting plate 26. The block 28 can be installed by active card connection, and can be disassembled and installed, which is convenient for replacement. After the replacement is completed, the reverse operation can be restored.

[0035] Turn the screw 38 to withdraw it from the limit groove 37 and the first threaded hole 36, pull the pulling component 11 installed on the top of the top plate 9 to drive the top plate 9 to move, and also drive the rear plate 6 to move. Pull the pulling component 11 installed on the side plate 5 to drive the side plate 5 to move and open, and move the front plate 7 to open, so as to facilitate the installation and disassembly for inspection, maintenance and cleaning of the equipment, reduce limitations and improve work efficiency.

[0036] The second electric push rod 33 drives the motor 34 to rise and drives the connecting rod 35 to rise at the same time. The connecting rod 35 drives the connecting plate 26 to rise and withdraw from the empty slot 25. The movable lower mold 30 and the lower heating plate 29 drive the clamping block 28 to withdraw from the clamping slot 27 to separate it from the connecting plate 26. The clamping block 28 can be installed by movable clamping and can be disassembled and installed, which is convenient for replacement, thereby improving convenience and practicality.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vulcanizing machine for producing EVA foam material, comprising a bottom plate (1), characterized in that: A plurality of groups of first hinges (4) are arranged on the outer wall of each group of the bottom plates (1), the first hinges (4) being arranged in a circular array with the top center of the bottom plate (1) as the center, two groups of side plates (5) being symmetrically mounted at the top edge of the bottom plate (1), a rear plate (6) being mounted at the top edge of the bottom plate (1), a front plate (7) being mounted at one end of the top of the bottom plate (1) away from the rear plate (6), and the other ends of the plurality of groups of the first hinges (4) being mounted respectively at the bottom edge of one side wall of the rear plate (6), the front plate (7) and the two groups of side plates (5); An opening (8) is provided at the center of the bottom of one side wall of the front panel (7); a top panel (9) is provided directly above the bottom panel (1); two groups of second hinges (10) are symmetrically mounted on the top of the rear panel (6); the other end of each group of second hinges (10) is mounted on the top edge of the top panel (9); a group of pulling components (11) are mounted on the top of the opposite side walls of the two groups of side panels (5) and at the center of the top edge of the top panel (9); a heat dissipation device (24) is mounted on one group of the side panels (5); and an air collecting device is mounted on one side wall of the rear panel (6).

2. The vulcanizing machine for producing EVA foam material according to claim 1, characterized in that: The pulling assembly (11) comprises a fixing block (111), a connecting ring (112) is provided on the fixing block (111), and a pulling ring (113) is provided on the connecting ring (112).

3. The vulcanizing machine for producing EVA foam material according to claim 1, characterized in that: Two groups of support legs (2) are symmetrically arranged below the base plate (1), a group of electric push rods (3) are installed on the top of each group of support legs (2), and the output end of each group of electric push rods (3) is installed at the bottom edge of the base plate (1).

4. The vulcanizing machine for producing EVA foam material according to claim 1, characterized in that: Two groups of first threaded holes (36) are symmetrically formed at the top edge of the top plate (9), a group of limiting grooves (37) are formed at the top of each group of side plates (5), a group of screws (38) are arranged directly above each group of first threaded holes (36), and the output ends of each group of screws (38) pass through the first threaded holes (36) and are placed in the limiting grooves (37).

5. The vulcanizing machine for producing EVA foam material according to claim 1, characterized in that: Two groups of cylinders (12) are symmetrically mounted at the center of the bottom edge of the top plate (9); a mounting plate (13) is provided below the top plate (9); the output ends of the two groups of cylinders (12) are mounted at the top edge of the mounting plate (13); an upper heating plate (14) is mounted at the center of the bottom of the mounting plate (13); and an upper mold (15) is mounted at the bottom of the upper heating plate (14).

6. The vulcanizing machine for producing EVA foam material according to claim 5, characterized in that: Two groups of second threaded holes (16) are symmetrically formed at the top edge of the mounting plate (13), a group of screw rods (17) are threadedly connected in each group of the second threaded holes (16), a nut (20) is provided on each group of the screw rods (17), and the nut (20) is located above the mounting plate (13), a group of first moving grooves (18) are formed at the bottom center of each group of the screw rods (17), and a group of moving blocks (19) are provided in each group of the first moving grooves (18).

7. The vulcanizing machine for producing EVA foam material according to claim 6, characterized in that: A group of second moving grooves (21) are installed on the top of each group of the moving blocks (19), and the other end of each group of the second moving grooves (21) is installed on the inner wall of the screw rod (17). A group of springs (22) are arranged in each group of the second moving grooves (21), and one end of each group of the springs (22) is placed on the top of the moving block (19). A group of moving rods (23) are opened in each group of the screw rods (17), and the other end of each group of the springs (22) is placed in the moving rods (23).

8. The vulcanizing machine for producing EVA foam material according to claim 1, characterized in that: A hollow groove (25) is provided at the top center of the bottom plate (1), a connecting plate (26) is arranged in the hollow groove (25), the outer wall of the connecting plate (26) is slidably fitted on the inner wall of the bottom plate (1), and a plurality of group slots (27) are provided at the top edge of the connecting plate (26) in a circular array with the top center of the connecting plate (26).

9. The vulcanizing machine for producing EVA foam material according to claim 8, characterized in that: A group of card blocks (28) are movably connected in each group of the card slots (27), a group of lower heating plates (29) are installed at the center of the top edge of each group of the card blocks (28), and a group of lower molds (30) are installed at the center of the top of each group of the lower heating plates (29).

10. The vulcanizing machine for producing EVA foam material according to claim 9, characterized in that: A through hole (31) is provided at the bottom center of the base plate (1), a fixed plate (32) is provided directly below the base plate (1), two groups of second electric push rods (33) are symmetrically provided at the bottom of the base plate (1), the output end of each group of the second electric push rods (33) is mounted at the top edge of the fixed plate (32), a motor (34) is mounted at the top center of the fixed plate (32), a connecting rod (35) is transmission-connected to the output end of the motor (34), and the other end of the connecting rod (35) passes through the through hole (31) and is mounted at the bottom center of the connecting plate (26).

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