EVA (Ethylene Vinyl Acetate) ejection foaming mold convenient for collecting finished products
By designing an EVA injection foam mold containing hydraulic cylinders and motor-driven mechanical structures, the problems of cumbersome and low efficiency in the prior art are solved, efficient automatic molding and automatic collection of finished products are realized, and manufacturing efficiency is improved. Easy to operate.
Patent Information
- Application Number
- CN202420860099.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The existing EVA injection foam molds require manual operation when used, resulting in cumbersome manufacturing process, low efficiency, and inconvenient collection of finished products.
An EVA injection foam mold including a fixing frame, hydraulic cylinder, upper mold, heating mold core, buffer, spring, limit plate, insertion block, connection box, lower mold, etc. is designed, and is driven by a hydraulic cylinder and a motor. The mechanical structure realizes the automated finished product forming and demolding process, and realizes automatic collection of finished products through the collection box.
It realizes efficient automation of EVA molding processing, simplifies the demolding and collection process of finished products, and improves manufacturing efficiency and operation convenience.
Smart Images

Figure CN222431383U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of EVA injection foaming molds, in particular to an EVA injection foaming mold which is convenient for collecting finished products. Background Art
[0002] The mold for foaming is a plastic foaming mold. The foaming resin is directly filled into the mold, which is heated and melted to form a gas-liquid saturated solution. Through nucleation, a large number of tiny bubble nuclei are formed, and the bubble nuclei grow to form foam plastic parts.
[0003] Most of the existing EVA injection foaming molds need to be manually operated when in use. After the production is completed, manual assistance is required to demold and collect the finished products. The manufacturing process is relatively cumbersome and the manufacturing efficiency is low, which brings certain adverse effects to people's use process. In order to solve the shortcomings of the existing technology, we propose an EVA injection foaming mold that is easy to collect the finished products. Utility Model Content
[0004] The main purpose of the utility model is to provide an EVA injection foaming mold which is convenient for collecting finished products, and can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] An EVA injection foaming mold convenient for collecting finished products comprises a fixed frame, a hydraulic cylinder is arranged on the top of the fixed frame, an upper mold is arranged on the output end of the hydraulic cylinder through the fixed frame, a plurality of heating cores and a plurality of buffers are arranged on the lower end of the upper mold, a spring and a limit plate are arranged in the buffer, an insertion block is arranged at the lower end of the limit plate, a No. 1 motor is arranged at the right end of the fixed frame, a No. 1 rotating rod is arranged on the output end of the No. 1 motor through the fixed frame, a bearing is arranged on the inner surface of the left end of the fixed frame, a No. 2 rotating rod is arranged in the bearing, a connecting box is arranged between the No. 1 rotating rod and the No. 2 rotating rod, a lower mold is arranged on the upper end of the connecting box, a plurality of insertion grooves and shape grooves are opened on the outer surface of the upper end of the lower mold, a No. 2 motor is arranged on the inner surface of the lower end of the connecting box, a screw rod is arranged on the output end of the No. 2 motor, two fixed rods are arranged in the connecting box, a movable plate is arranged on the outer surface of the screw rod, a connecting rod is arranged on the upper end of the movable plate, an ejection block is arranged on the other end of the connecting rod, and a collection box is arranged below the connecting box.
[0007] Preferably, the hydraulic cylinder is detachably connected to the top of the fixed frame, the output end of the hydraulic cylinder passes through the fixed frame and is detachably connected to the upper mold, the heating core and the buffer are welded to the outer surface of the lower end of the upper mold, and the limit plate is slidably connected to the inner surface of the buffer.
[0008] Preferably, the No. 1 motor is detachably connected to one side of the fixing frame, a coupling is provided at the output end of the No. 1 motor, and the output end of the No. 1 motor passes through the fixing frame and is detachably connected to the No. 1 rotating rod through the coupling.
[0009] Preferably, the bearing is embedded in the inner surface of the left side of the fixing frame, the No. 2 rotating rod is rotatably connected to the bearing, and the connecting box is detachably connected between the No. 1 rotating rod and the No. 2 rotating rod.
[0010] Preferably, the lower mold is welded to the top of the connection box, the insertion groove is correspondingly arranged directly below the buffer member, and the shape groove is correspondingly arranged directly below the heating mold core.
[0011] Preferably, the No. 2 motor is detachably connected to the inner surface of the lower end of the connecting box, a coupling is provided at the output end of the No. 2 motor, the output end of the No. 2 motor is detachably connected to the screw rod through the provided coupling, the movable plate is threadedly connected to the outer surface of the screw rod, and the movable plate is slidably connected to the outer surface of the fixed rod.
[0012] Beneficial Effects
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. In the utility model, by means of the set fixing frame, hydraulic cylinder, upper mold, heating mold core, buffer, spring, limit plate, insert block, connecting box, lower mold, insert groove, shape groove, No. 2 motor, screw rod, fixing rod, moving plate, connecting rod and ejector block, the EVA molding process can be carried out efficiently, and the finished product can be demoulded conveniently after the processing is completed, and the practicality is high. When in use, the EVA material is poured into a plurality of shape grooves respectively, and then the upper mold is pushed downward by the hydraulic cylinder. During the movement, the insert block and the buffer will be inserted into the insert groove. At this time, the upper mold and the lower mold will be buffered under the action of the spring elastic force to avoid the upper mold and the lower mold from being stuck. The mold is directly close to each other, causing a large degree of wear and affecting its service life. After the upper mold and the lower mold are fitted, multiple heating cores will be inserted into multiple grooves. At this time, the EVA material in the groove will be heated to expand and form. After the forming is completed, the hydraulic cylinder is driven by the hydraulic cylinder to move upward. At this time, the No. 2 motor is turned on to drive the screw to rotate. At this time, the moving plate will push the connecting rod and the ejector block upward with the rotation of the screw. The ejector block will push the finished product formed in the groove upward when moving, thereby completing the demolding. The EVA molding process can be carried out efficiently, and the finished product can be demolded conveniently after the processing is completed. It is highly practical and easy to operate.
[0015] 2. In the utility model, by means of the No. 1 motor, No. 1 rotating rod, bearing, No. 2 rotating rod, connecting box and collecting box, the finished product can be collected after demolding, and the utility model has high practicality. After the finished product is formed and demolded, the No. 1 rotating rod is driven to rotate by turning on the No. 1 motor. At this time, the connecting box will rotate together with the rotation of the No. 1 rotating rod. After rotating to the lower mold facing downward, the demolded finished product will fall downward from the forming groove and finally fall into the collecting box for collection. After collection, the connecting box can be driven by the No. 1 motor to rotate to the original position and the EVA material molding process can be carried out again. The finished product can be collected after demolding, and the utility model has high practicality and is convenient and quick to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the internal structure of the buffer of the utility model;
[0018] Figure 3 It is a schematic diagram of the structure of the connection box turning device of the utility model;
[0019] Figure 4 This is a schematic diagram of the internal structure of the connection box of the utility model;
[0020] Figure 5 It is a structural schematic diagram of a finished product demoulding device of the utility model.
[0021] In the figure: 1. fixed frame; 2. hydraulic cylinder; 3. upper mold; 4. heating core; 5. buffer; 6. spring; 7. limit plate; 8. insertion block; 9. No. 1 motor; 10. No. 1 rotating rod; 11. bearing; 12. No. 2 rotating rod; 13. connecting box; 14. lower mold; 15. insertion groove; 16. shaped groove; 18. No. 2 motor; 19. screw; 20. fixed rod; 21. movable plate; 22. connecting rod; 23. ejector block; 24. collecting box. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] like Figure 1 , Figure 2 , Figure 4 , Figure 5As shown, an EVA injection foaming mold convenient for collecting finished products comprises a fixing frame 1, a hydraulic cylinder 2 is detachably connected to the top of the fixing frame 1, an output end of the hydraulic cylinder 2 penetrates the fixing frame 1 and is detachably connected to an upper mold 3, a plurality of heating mold cores 4 and a plurality of buffers 5 are welded to the lower end of the upper mold 3, a spring 6 and a limit plate 7 are arranged in the buffer 5, the limit plate 7 is slidably connected to the buffer 5, an insertion block 8 is arranged at the lower end of the limit plate 7, a connection box 13 is arranged below the upper mold 3, and a lower connection box 13 is welded to the upper end of the connection box 13. The mold 14, the upper outer surface of the lower mold 14 is provided with a plurality of insertion grooves 15 and shaped grooves 16, the inner surface of the lower end of the connection box 13 is detachably connected to the second motor 18, the output end of the second motor 18 is detachably connected to the screw rod 19 through the coupling, and two fixed rods 20 are arranged in the connection box 13, the outer surface of the screw rod 19 is threadedly connected to the moving plate 21, the upper end of the moving plate 21 is welded with a connecting rod 22, and the other end of the connecting rod 22 is welded with an ejector block 23. When in use, the EVA materials are respectively Pour it into multiple shaped grooves 16, and then push the upper mold 3 downward through the hydraulic cylinder 2. During the movement, the insertion block 8 and the buffer member 5 will be inserted into the insertion groove 15. At this time, under the elastic force of the spring 6, the upper mold 3 and the lower mold 14 will be buffered to avoid the upper mold 3 and the lower mold 14 directly close to each other, causing a large degree of wear and affecting their service life. After the upper mold 3 and the lower mold 14 are fitted, multiple heating mold cores 4 will also be inserted into the multiple shaped grooves 16. At this time, the EVA material in the shaped groove 16 will be heated to expand and form. After the forming is completed, the hydraulic cylinder 2 is driven to move upward by the hydraulic cylinder 2. At this time, the screw rod 19 is driven to rotate by turning on the second motor 18. At this time, the moving plate 21 will push the connecting rod 22 and the ejector block 23 upward with the rotation of the screw rod 19. The ejector block 23 will push the finished product formed in the shaped groove 16 to move upward during the movement, thereby completing the demoulding, and the EVA molding process can be carried out efficiently. At the same time, the finished product can be conveniently demoulded after the processing is completed, and the practicality is high.
[0024] like Figure 1 , Figure 3As shown, the right end of the fixed frame 1 is detachably connected to a motor No. 1 9, and the output end of the motor No. 1 9 passes through the fixed frame 1 and is detachably connected to a rotating rod No. 10 through a coupling. A bearing 11 is embedded in the inner surface of the left end of the fixed frame 1, and a rotating rod No. 2 12 is rotatably connected in the bearing 11. A connecting box 13 is detachably connected between the rotating rod No. 10 and the rotating rod No. 2 12, and a collecting box 24 is provided below the connecting box 13. After the finished product is formed and demolded, the rotating rod No. 1 10 is driven to rotate by turning on the motor No. 1 9. At this time, the connecting box 13 will rotate together with the rotation of the rotating rod No. 1 10. After rotating to the point where the lower mold 14 faces downward, the demolded finished product will fall downward from the forming groove 16, and finally fall into the collecting box 24 for collection. After collection, the connecting box 13 can be driven by the motor No. 1 9 to rotate to its original position, and the EVA material molding process can be carried out again. The finished product can be collected after demolding, which has high practicality.
[0025] It should be noted that the utility model is an EVA injection foaming mold that is convenient for collecting finished products. When in use, through the set fixing frame 1, hydraulic cylinder 2, upper mold 3, heating mold core 4, buffer 5, spring 6, limit plate 7, insertion block 8, connection box 13, lower mold 14, insertion groove 15, shape groove 16, No. 2 motor 18, screw 19, fixing rod 20, moving plate 21, connecting rod 22 and ejection block 23, EVA molding processing can be carried out efficiently, and the finished product can be demoulded conveniently after the processing is completed. It is highly practical. When in use, the EVA material is divided into The upper mold 3 is poured into the plurality of shaped grooves 16, and then the upper mold 3 is pushed downward by the hydraulic cylinder 2. During the movement, the insertion block 8 and the buffer 5 are inserted into the insertion groove 15. At this time, the upper mold 3 and the lower mold 14 are buffered under the elastic force of the spring 6 to prevent the upper mold 3 and the lower mold 14 from being directly close to each other, causing a large degree of wear and affecting their service life. After the upper mold 3 and the lower mold 14 are fitted together, the plurality of heating mold cores 4 will also be inserted into the plurality of shaped grooves 16. At this time, the EVA material in the shaped groove 16 will be heated to expand and form. After the forming is completed, the hydraulic cylinder 2 is driven by the hydraulic cylinder 2 to move upward At this time, the second motor 18 is turned on to drive the screw rod 19 to rotate. At this time, the movable plate 21 will push the connecting rod 22 and the ejector block 23 to move upward as the screw rod 19 rotates. The ejector block 23 will push the finished product formed in the groove 16 to move upward during movement, thereby completing the demoulding, and the EVA molding process can be carried out efficiently. At the same time, the finished product can be demoulded conveniently after the processing is completed. It is highly practical and easy to operate. By setting the first motor 9, the first rotating rod 10, the bearing 11, the second rotating rod 12, the connecting box 13 and the collecting box 24, the finished product can be demoulded. It is collected after demolding, which is highly practical. After the finished product is formed and demolded, the No. 1 rotating rod 10 is driven to rotate by turning on the No. 1 motor 9. At this time, the connecting box 13 will rotate together with the rotation of the No. 1 rotating rod 10. After rotating to the point where the lower mold 14 is facing downward, the demolded finished product will fall downward from the forming groove 16 and finally fall into the collecting box 24 for collection. After collection, the connecting box 13 is driven by the No. 1 motor 9 to rotate to its original position and the EVA material molding process can be performed again. The finished product can be collected after being demolded, which is highly practical and quick and easy to operate.
[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An EVA injection foaming mold for facilitating collection of finished products, comprising a fixing frame (1), characterized in that: A hydraulic cylinder (2) is arranged on the top of the fixed frame (1); the output end of the hydraulic cylinder (2) passes through the fixed frame (1) and is provided with an upper mold (3); a plurality of heating cores (4) and a plurality of buffers (5) are arranged at the lower end of the upper mold (3); a spring (6) and a limit plate (7) are arranged in the buffer (5); an insertion block (8) is arranged at the lower end of the limit plate (7); a No. 1 motor (9) is arranged at the right end of the fixed frame (1); the output end of the No. 1 motor (9) passes through the fixed frame (1) and is provided with a No. 1 rotating rod (10); a bearing (11) is arranged on the inner surface of the left end of the fixed frame (1); a No. 2 rotating rod (12) is arranged in the bearing (11); the No. 1 rotating rod (10) and the No. 2 rotating rod (12) are connected to each other. A connecting box (13) is arranged between the first and second rotating rods (12), a lower mold (14) is arranged at the upper end of the connecting box (13), a plurality of insertion grooves (15) and shape grooves (16) are provided on the upper outer surface of the lower mold (14), a second motor (18) is arranged on the inner surface of the lower end of the connecting box (13), a screw rod (19) is arranged at the output end of the second motor (18), two fixed rods (20) are arranged in the connecting box (13), a movable plate (21) is arranged on the outer surface of the screw rod (19), a connecting rod (22) is arranged at the upper end of the movable plate (21), an ejection block (23) is arranged at the other end of the connecting rod (22), and a collecting box (24) is arranged below the connecting box (13).
2. The EVA injection foaming mold for facilitating collection of finished products according to claim 1, characterized in that: The hydraulic cylinder (2) is detachably connected to the top of the fixed frame (1); the output end of the hydraulic cylinder (2) passes through the fixed frame (1) and is detachably connected to the upper mold (3); the heating mold core (4) and the buffer (5) are both welded to the outer surface of the lower end of the upper mold (3); and the limit plate (7) is slidably connected to the inner surface of the buffer (5).
3. The EVA injection foaming mold for facilitating collection of finished products according to claim 1, characterized in that: The first motor (9) is detachably connected to one side of the fixing frame (1); a coupling is provided at the output end of the first motor (9); the output end of the first motor (9) passes through the fixing frame (1) and is detachably connected to the first rotating rod (10) through the provided coupling.
4. The EVA injection foaming mold for facilitating collection of finished products according to claim 1, characterized in that: The bearing (11) is embedded in the inner surface of the left side of the fixing frame (1), the second rotating rod (12) is rotatably connected to the bearing (11), and the connecting box (13) is detachably connected between the first rotating rod (10) and the second rotating rod (12).
5. The EVA injection foaming mold for facilitating collection of finished products according to claim 1, characterized in that: The lower mold (14) is welded to the top of the connection box (13), the insertion groove (15) is correspondingly arranged directly below the buffer (5), and the shape groove (16) is correspondingly arranged directly below the heating mold core (4).
6. The EVA injection foaming mold for facilitating collection of finished products according to claim 1, characterized in that: The second motor (18) is detachably connected to the inner surface of the lower end of the connection box (13); a coupling is provided at the output end of the second motor (18); the output end of the second motor (18) is detachably connected to the screw rod (19) via the provided coupling; the movable plate (21) is threadedly connected to the outer surface of the screw rod (19); and the movable plate (21) is slidably connected to the outer surface of the fixed rod (20).