Cooling and extruding tool for injection molding plate
By designing the cooling extrusion tooling of the injection molded plate, the cylinder height is adjusted by using pressure sensors and hydraulic systems, the problem of difficult to determine the extrusion pressure is solved, and the precise cold pressing setting of the injection molded plate and the effective reduction of the internal stress of the warping are achieved, and injection molded plates of different thicknesses and materials are adapted to injection molded plates.
Patent Information
- Application Number
- CN202422628609.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-30
AI Technical Summary
During the cooling and extrusion process of injection molded plates, it is difficult to determine the appropriate extrusion pressure. Too large pressure will cause product deformation, and too small pressure will not be effective in reducing warpage and internal stress.
A cooling and extrusion tool for injection molding plates is designed to control the extrusion pressure through a pressure sensor and hydraulic system to adjust the cylinder height, and to combine the water-cooled components for cooling. The pressure sensor and hydraulic cylinder combination are used to achieve precise pressure control. By adjusting the cylinder height, the extrusion pressure is changed to adapt to injection molding plates of different thicknesses and materials.
It realizes accurate cold pressing and shaping of injection molded plates, simplifies equipment adjustment, has a wide range of application, can effectively reduce warpage and internal stress, and is simple and fast to operate.
Smart Images

Figure CN223290166U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molding plate production, in particular to an injection molding plate cooling and extrusion tooling. Background Art
[0002] Cooling extrusion process of injection molded plates after injection molding: After the product is taken out of the mold, it is initially cooled. At this time, the product may still be hot, but it already has a certain strength. A certain pressure is applied to the product through the extrusion device to help the product further shape and reduce warping and internal stress. While extruding, the product continues to cool until it reaches room temperature or the predetermined cooling temperature.
[0003] However, since the workpiece has a certain pressure deformation when under pressure, it is difficult to determine the extrusion pressure of the extrusion tooling on the workpiece. Excessive extrusion pressure will cause product deformation, while too little pressure may not be able to effectively reduce warping and internal stress.
[0004] To this end, we propose an injection molding plate cooling extrusion tooling to solve the existing problems. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the background technology and to provide an injection molding plate cooling extrusion tool.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an injection molding plate cooling extrusion tooling, comprising a machine platform, a slide, a plate body and a cylinder body, a base plate being provided on the upper surface of the machine platform, the slide plate being raised and lowered on the machine platform, the slide plate and the base plate being provided with water cooling components, the two cylinder bodies being synchronously raised and lowered on the base plate by a driving component, a pressure sensor being provided on the top of the cylinder body, and the plate body being placed on the upper surface of the base plate.
[0007] Preferably, the water cooling assembly consists of a water inlet pipe, a flow channel and a water outlet pipe, the two flow channels are respectively arranged on the slide and the base plate, one end of the water inlet pipe is arranged at one end opening of the flow channel, and one end of the water outlet pipe is arranged at the other end opening of the flow channel.
[0008] Preferably, the driving assembly is composed of a cylinder, a shaft, a square groove, a screw, a bevel gear, a motor and a gear ring. The two square grooves are symmetrically arranged on the machine platform, the two screws are symmetrically rotated in the two square grooves, the two cylinders are slidably arranged on the square grooves, and the cylinder and the screw are in a threaded engagement state, and the upper end of the cylinder slides through the base plate.
[0009] Preferably, the shaft is rotatably arranged in the machine, and the bevel gears are respectively arranged at the bottom end of the screw and the two ends of the shaft, and the bevel gear at the bottom end of the screw is in a gear meshing state with the bevel gear at the end of the shaft.
[0010] Preferably, the ring gear is arranged on the shaft, the motor is arranged in the machine, and the gear at the output end of the motor is in a gear meshing state with the ring gear.
[0011] Preferably, columns are provided at the four corners of the upper surface of the machine, tops of the columns are provided with top plates, and the slide plates are slidably provided on the columns.
[0012] Preferably, a hydraulic cylinder is provided on the upper surface of the top plate, and an output end of the hydraulic cylinder is provided on the slide plate.
[0013] Preferably, a support base is provided on the lower surface of the machine, and there are four support bases in total, and the positions of the four support bases are distributed in a rectangular array on the lower surface of the machine.
[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0015] During use, the utility model of the injection molding plate cooling and extrusion tooling can place the injection molding plate to be cooled, extruded and shaped on the base plate, and then after multiple verifications to determine the cold pressing and shaping pressure of the injection molding plate, adjust the cylinder to a corresponding height, then connect the external power supply to make the device work, the hydraulic cylinder controls the slide plate to move downward so that the slide plate cooperates with the base plate to cold press the plate body, the pressure sensor is connected to the external computer to display data, when the slide plate contacts the pressure sensor of the cylinder body, the hydraulic cylinder is controlled to maintain the current pressure, thereby cold pressing the plate body, and the cold pressing pressure on the plate body is changed by adjusting the height of the cylinder body. When processing the plates of the same batch, the height of the cylinder body is kept unchanged, and the extrusion pressure of the extrusion tooling on the workpiece can be determined;
[0016] During the extrusion process, the external cooling water pipeline is connected through the water inlet pipe and the water outlet pipe, so that the cooling water flows through the flow channel and reduces the temperature of the plate under the action of heat exchange;
[0017] When adjusting the height of the cylinder, the motor works by meshing the gear and the ring gear, thereby driving the shaft to rotate, and the meshing of the bevel gears between the shaft and the screw drives the screw to rotate, thereby controlling the cylinder to move up and down under the principle of the lead screw;
[0018] The utility model changes the extrusion pressure by adjusting the height of the cylinder, is simple and quick to operate, and does not require complicated equipment adjustment. The device can adapt to injection molding plates of different thicknesses and materials. The pressure can be changed by simply adjusting the height of the cylinder, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0020] Figure 2This is a schematic diagram of the water cooling component structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the drive assembly structure of the utility model;
[0022] Figure 4 For the utility model Figure 3 Schematic diagram of the cross-sectional structure.
[0023] Reference numerals:
[0024] 1. Machine platform; 2. Support base; 3. Slide plate; 4. Top plate; 5. Hydraulic cylinder; 6. Base plate; 7. Plate body; 8. Water inlet pipe; 9. Flow channel; 10. Cylinder body; 11. Shaft; 12. Column; 13. Water outlet pipe; 14. Square groove; 15. Pressure sensor; 16. Screw; 17. Bevel gear; 18. Motor; 19. Ring gear. DETAILED DESCRIPTION
[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] Example 1
[0027] like Figures 1-4 As shown, the utility model proposes an injection molding plate cooling extrusion tooling, comprising a machine 1, a slide 3, a plate body 7 and a cylinder 10. A base plate 6 is provided on the upper surface of the machine 1, and the slide 3 is raised and lowered on the machine 1. Water cooling components are provided on the slide 3 and the base plate 6. Two cylinders 10 are synchronously raised and lowered on the base plate 6 by a driving component. A pressure sensor 15 is provided on the top of the cylinder 10, and the plate body 7 is placed on the upper surface of the base plate 6.
[0028] Based on Example 1:
[0029] During use of the cooling and extruding tooling for injection molding plates of the present invention, the injection molding plate to be cooled, extruded and shaped can be placed on the base plate 6. Then, after multiple verifications to determine the cold-pressing and shaping pressure of the injection molding plate, the cylinder 10 is adjusted to a corresponding height. At this time, an external power supply is connected to enable the device to work. The hydraulic cylinder 5 controls the slide plate 3 to move downward so that the slide plate 3 cooperates with the base plate 6 to cold-press the plate body 7. The pressure sensor 15 is connected to an external computer to display data. When the slide plate 3 contacts the pressure sensor 15 of the cylinder 10, the hydraulic cylinder 5 is controlled to maintain the pressure at this moment, thereby cold-pressing the plate body 7. By adjusting the height of the cylinder 10 to change the cold-pressing pressure on the plate body 7, the height of the cylinder 10 is kept unchanged when processing the plate bodies 7 of the same batch, and the extrusion pressure of the extrusion tooling on the workpiece can be determined.
[0030] During the extrusion process, the external cooling water pipeline is connected through the water inlet pipe 8 and the water outlet pipe 13, so that the cooling water flows through the flow channel 9, and the temperature of the plate body 7 is reduced under the action of heat exchange;
[0031] When adjusting the height of the cylinder 10, the motor 18 works through the meshing action between the gear and the ring gear 19, thereby driving the shaft 11 to rotate, and through the meshing action of the bevel gear 17 between the shaft 11 and the screw 16, thereby driving the screw 16 to rotate, under the principle of the screw, thereby controlling the cylinder 10 to perform the lifting action.
[0032] Example 2
[0033] like Figures 1-4 As shown, the utility model proposes an injection molding plate cooling extrusion tooling. Compared with the first embodiment, this embodiment also includes: the water cooling component is composed of a water inlet pipe 8, a flow channel 9 and a water outlet pipe 13. The two flow channels 9 are respectively arranged on the slide 3 and the base plate 6. One end of the water inlet pipe 8 is arranged at one end opening of the flow channel 9, and one end of the water outlet pipe 13 is arranged at the other end opening of the flow channel 9. During the extrusion process, the external cooling water pipeline is connected through the water inlet pipe 8 and the water outlet pipe 13, so that the cooling water flows through the flow channel 9.
[0034] The drive assembly consists of a cylinder 10, a shaft 11, a square groove 14, a screw 16, a bevel gear 17, a motor 18 and a ring gear 19. The ring gear 19 is provided on the shaft 11, and the motor 18 is provided in the machine 1. The gear at the output end of the motor 18 is in a gear meshing state with the ring gear 19. The motor 18 works through the meshing action between the gear and the ring gear 19, thereby driving the shaft 11 to rotate. The shaft 11 is rotated and provided in the machine 1. Each bevel gear 17 is respectively provided at the bottom end of the screw 16 and at both ends of the shaft 11, and the bevel gear 17 at the bottom end of the screw 16 is in a gear meshing state with the bevel gear 17 at the end of the shaft 11. In the gear meshing state, the meshing action of the bevel gear 17 between the shaft 11 and the screw 16 drives the screw 16 to rotate. The two square grooves 14 are symmetrically arranged on the machine 1. The two screws 16 are symmetrically arranged in the two square grooves 14. The two barrels 10 are slidably arranged on the square grooves 14, and the barrels 10 and the screws 16 are in a threaded meshing state. The upper end of the barrel 10 slides through the base plate 6. When the screw 16 rotates, through the threaded meshing state between the screw 16 and the barrel 10, and the barrel 10 is limited by the square grooves 14, the barrel 10 is controlled to perform a lifting action under the principle of the lead screw.
[0035] There are columns 12 at the four corners of the upper surface of the machine 1, and a top plate 4 is provided at the top of the column 12. The slide 3 is slidably arranged on the column 12. A hydraulic cylinder 5 is provided on the upper surface of the top plate 4. The output end of the hydraulic cylinder 5 is provided on the slide 3. When the hydraulic cylinder 5 works, it drives the slide 3 to move up and down along the column 12.
[0036] The lower surface of the machine platform 1 is provided with support bases 2 . There are four support bases 2 in total, and the positions of the four support bases 2 are distributed in a rectangular array on the lower surface of the machine platform 1 .
[0037] It should be noted that the structure of the hydraulic cylinder 5 and the motor 18 is an existing mature technology, and its working principle and internal structure are known to technicians in the relevant technical field. The present invention only utilizes its function and does not improve its internal structure. Therefore, it will not be described in detail here. Those skilled in the art can make any selection according to their needs or convenience.
[0038] The above specific embodiments are only several preferred embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
[0039] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A cooling extrusion tool for injection molding, comprising a machine platform (1), a slide plate (3), a plate body (7) and a cylinder (10), characterized in that: A base plate (6) is provided on the upper surface of the machine (1), the slide plate (3) is raised and lowered on the machine (1), the slide plate (3) and the base plate (6) are both provided with water cooling components, the two cylinders (10) are synchronously raised and lowered on the base plate (6) through a driving component, a pressure sensor (15) is provided at the top end of the cylinder (10), and the plate (7) is placed on the upper surface of the base plate (6).
2. The cooling and extrusion tooling for injection molding according to claim 1, characterized in that: The water cooling assembly is composed of a water inlet pipe (8), a flow channel (9) and a water outlet pipe (13). The two flow channels (9) are respectively arranged on the slide plate (3) and the base plate (6). One end of the water inlet pipe (8) is arranged at one end opening of the flow channel (9), and one end of the water outlet pipe (13) is arranged at the other end opening of the flow channel (9).
3. The cooling and extrusion tooling for injection molding according to claim 1, characterized in that: The driving assembly is composed of a barrel (10), a shaft (11), a square groove (14), a screw (16), a bevel gear (17), a motor (18) and a gear ring (19); the two square grooves (14) are symmetrically arranged on the machine (1); the two screws (16) are symmetrically rotated in the two square grooves (14); the two barrels (10) are slidably arranged on the square grooves (14), and the barrels (10) and the screws (16) are in a threaded engagement state; the upper end of the barrel (10) slides through the base plate (6).
4. The cooling and extrusion tooling for injection molding according to claim 3, characterized in that: The shaft (11) is rotatably arranged in the machine (1), and each of the bevel gears (17) is respectively arranged at the bottom end of the screw (16) and the two ends of the shaft (11), and the bevel gear (17) at the bottom end of the screw (16) is in a gear meshing state with the bevel gear (17) at the end of the shaft (11).
5. The cooling and extrusion tooling for injection molding according to claim 3, characterized in that: The gear ring (19) is arranged on the shaft (11), the motor (18) is arranged in the machine (1), and the gear at the output end of the motor (18) is in a gear meshing state with the gear ring (19).
6. The cooling and extrusion tooling for injection molding according to claim 1, characterized in that: The four corners of the upper surface of the machine (1) are provided with upright posts (12), the tops of the upright posts (12) are provided with top plates (4), and the slide plates (3) are slidably arranged on the upright posts (12).
7. The cooling and extrusion tooling for injection molding according to claim 6, characterized in that: A hydraulic cylinder (5) is provided on the upper surface of the top plate (4), and an output end of the hydraulic cylinder (5) is provided on the slide plate (3).
8. The cooling and extrusion tooling for injection molding according to claim 1, characterized in that: A support base (2) is provided on the lower surface of the machine (1), and there are four support bases (2) in total, and the positions of the four support bases (2) are distributed in a rectangular array on the lower surface of the machine (1).