A die pressing device for injection molding machine to prevent mold loosening
By designing a threaded rod mechanism with water cooling system and motor drive in the injection molding device of the injection molding machine, the problem of loose mold during cooling is solved, and more efficient cooling and more stable product quality is achieved.
Patent Information
- Application Number
- CN202420222195.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-01-30
AI Technical Summary
The existing mold pressing device for injection molding machines is a problem of loosening between molds while waiting for cooling, resulting in unstable product quality and inconvenient operation.
A mold pressing device for injection molding machine that prevents loose molds are designed. By injecting water into the shell, opening the motor to control the rotation of the threaded rod, pushing the threaded rod to rotate on the inner wall of the bearing seat, pushing the movement of the propulsion block, driving the movement of the lifting plate, causing the mold part to enter the shell part to cool, and opening the motor again to remove the mold part from the shell, thereby improving the cooling efficiency.
By quickly cooling the mold, the device reduces waiting cooling time, improves operating efficiency, and avoids product quality problems caused by loose molds.
Smart Images

Figure CN222727216U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of die pressing devices, in particular to a die pressing device for an injection molding machine which can prevent a mold from loosening. Background Art
[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics.
[0003] China Patent Network discloses a die pressing device for injection molding machine, with the announcement number CN210851196U, which includes a base, a mold placed on the base, side panels perpendicular to the base on both sides of the base, clamping studs screwed into the screw holes on the top of the side panels, and a baffle perpendicular to the base on the base. When in use, this die pressing device for injection molding machine can provide a clamping mechanism for the upper and lower molds. After the injection molding is completed, the upper and lower molds can be clamped by the clamping mechanism, avoiding looseness between the molds due to accidental collision or other unexpected situations while waiting for cooling, thereby ensuring the quality of the product.
[0004] However, after the clamping mechanism clamps the lower mold for molding, it is necessary to wait for a period of time for the product between the molds to fall off, which is time-consuming and inconvenient. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and provides a die pressing device for an injection molding machine which can prevent the mold from loosening.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a die pressing device for an injection molding machine to prevent the mold from loosening, comprising an anti-skid pad, a support foot is arranged above the anti-skid pad, the bottom surface of the support foot is fixedly connected to the top surface of the anti-skid pad, a shell part is arranged above the support foot, a propulsion part is arranged inside the shell part, and a die pressing part is arranged inside the propulsion part;
[0007] The propulsion part includes a support plate, a motor is arranged on the top surface of the support plate, the bottom surface of the motor is fixedly connected to the top surface of the support plate, the bottom surface of the motor output rod passes through the top surface of the support plate and extends to the bottom of the support plate, a threaded rod is arranged on the bottom surface of the motor output rod, the top surface of the threaded rod is fixedly connected to the bottom surface of the motor output rod, a bearing seat is arranged on the surface of the threaded rod, the inner wall of the bearing seat is rotatably connected to the surface of the threaded rod, and the model of the motor is YE3.
[0008] As a further description of the above technical solution:
[0009] The threaded rod surface is threadedly connected with a propulsion block, the inner wall of the propulsion block is threadedly connected to the threaded rod surface, the inner side of the propulsion block is provided with a lifting plate, the outer side of the lifting plate is fixedly connected to the inner side of the propulsion block, and a water hole is opened on the surface of the lifting plate.
[0010] As a further description of the above technical solution:
[0011] The inner wall of the propulsion block is provided with a sliding rod, and the surface of the sliding rod is slidably connected with the inner wall of the propulsion block.
[0012] As a further description of the above technical solution:
[0013] The outer shell part includes a base plate, the bottom surface of the base plate is fixedly connected to the top surface of the support leg, the top surface of the base plate is provided with a shell, the bottom surface of the shell is fixedly connected to the top surface of the base plate, water is injected into the shell, the motor is turned on to control the rotation of the threaded rod, the threaded rod is pushed to rotate on the inner wall of the bearing seat, and the propulsion block is pushed to move.
[0014] As a further description of the above technical solution:
[0015] The die part comprises a support rod and two sliders, the bottom surface of the support rod is fixedly connected to the top surface of the lifting plate, the top surface of the support rod is provided with a top plate, and the bottom surface of the top plate is fixedly connected to the top surface of the support rod.
[0016] As a further description of the above technical solution:
[0017] The top surface of the top plate is provided with a cylinder, the bottom surface of the cylinder is fixedly connected to the top surface of the top plate, the bottom surface of the cylinder output rod passes through the top surface of the top plate and extends to the bottom of the top plate, the bottom surface of the cylinder is fixedly provided with an upper mold, and the inner wall of the upper mold is fixedly provided with an injection port.
[0018] As a further description of the above technical solution:
[0019] The outer side surface of the upper mold is provided with a slider 1, the inner wall of the slider 1 is fixedly connected to the outer side surface of the upper mold, the inner side surface of the slider 2 is fixedly provided with a lower mold, and the top surface of the lower mold is fixedly provided with a pressing block.
[0020] The utility model has the following beneficial effects:
[0021] 1. Compared with the prior art, the die pressing device for the injection molding machine for preventing the mold from loosening, by injecting water into the shell, turning on the motor to control the rotation of the threaded rod, pushing the threaded rod to rotate on the inner wall of the bearing seat, pushing the push block to move, driving the lifting plate to move, so that the die part enters the shell part for cooling, and turning on the motor again to make the die part come out of the shell. This arrangement can cool the die part, improve the cooling efficiency of the device, and save time cost.
[0022] 2. Compared with the prior art, the mold pressing device for the injection molding machine for preventing the mold from loosening, by opening the cylinder, pushes the upper mold and the lower mold to slide and dock on the surface of the support rod through the slider, and injects at the injection port of the upper mold. The setting of the support rod can prevent the mold from loosening during the compression molding. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a front view of a die pressing device for an injection molding machine for preventing a mold from loosening, which is proposed by the utility model;
[0024] Figure 2 A bottom view of a die pressing device for an injection molding machine for preventing a mold from loosening proposed by the utility model;
[0025] Figure 3 This is a rear view of a die pressing device for an injection molding machine for preventing a mold from loosening, which is proposed by the utility model;
[0026] Figure 4 A cross-sectional view of a die pressing device for an injection molding machine for preventing a mold from loosening proposed by the utility model;
[0027] Figure 5 For this utility model Figure 4 Magnified view of area A.
[0028] Legend:
[0029] 1. Anti-skid pad; 2. Support foot; 3. Shell; 301. Bottom plate; 302. Shell; 4. Propelling part; 401. Support plate; 402. Motor; 403. Threaded rod; 404. Bearing seat; 405. Propelling block; 406. Lifting plate; 407. Sliding rod; 5. Pressing die part; 501. Support rod; 502. Top plate; 503. Cylinder; 504. Upper mold; 505. Injection port; 506. Slider 1; 507. Lower mold; 508. Pressing block; 509. Slider 2. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0031] Reference Figure 1-5 The utility model provides a die pressing device for an injection molding machine to prevent the mold from loosening: comprising an anti-skid pad 1, a support leg 2 is arranged above the anti-skid pad 1, the bottom surface of the support leg 2 is fixedly connected to the top surface of the anti-skid pad 1, a shell part 3 is arranged above the support leg 2, a propulsion part 4 is arranged inside the shell part 3, and a die pressing part 5 is arranged inside the propulsion part 4;
[0032] The propulsion part 4 includes a support plate 401, a motor 402 is arranged on the top surface of the support plate 401, the bottom surface of the motor 402 is fixedly connected to the top surface of the support plate 401, the bottom surface of the output rod of the motor 402 passes through the top surface of the support plate 401 and extends to the bottom of the support plate 401, a threaded rod 403 is arranged on the bottom surface of the output rod of the motor 402, the top surface of the threaded rod 403 is fixedly connected to the bottom surface of the output rod of the motor 402, a bearing seat 404 is arranged on the surface of the threaded rod 403, and the inner wall of the bearing seat 404 is rotatably connected to the surface of the threaded rod 403.
[0033] The surface of the threaded rod 403 is threadedly connected with a push block 405 , the inner wall of the push block 405 is threadedly connected to the surface of the threaded rod 403 , the inner side of the push block 405 is provided with a lifting plate 406 , and the outer side of the lifting plate 406 is fixedly connected to the inner side of the push block 405 .
[0034] A sliding rod 407 is provided on the inner wall of the pushing block 405 , and the surface of the sliding rod 407 is slidably connected to the inner wall of the pushing block 405 .
[0035] The outer shell 3 comprises a bottom plate 301 , the bottom surface of the bottom plate 301 is fixedly connected to the top surface of the support leg 2 , the top surface of the bottom plate 301 is provided with an outer shell 302 , and the bottom surface of the outer shell 302 is fixedly connected to the top surface of the bottom plate 301 .
[0036] The die part 5 includes a support rod 501 and a second slider 509 . The bottom surface of the support rod 501 is fixedly connected to the top surface of the lifting plate 406 . The top surface of the support rod 501 is provided with a top plate 502 . The bottom surface of the top plate 502 is fixedly connected to the top surface of the support rod 501 .
[0037] A cylinder 503 is arranged on the top surface of the top plate 502, and the bottom surface of the cylinder 503 is fixedly connected to the top surface of the top plate 502. The bottom surface of the output rod of the cylinder 503 passes through the top surface of the top plate 502 and extends to the bottom of the top plate 502. An upper mold 504 is fixedly arranged on the bottom surface of the cylinder 503, and an injection port 505 is fixedly arranged on the inner wall of the upper mold 504.
[0038] A slider 1 506 is disposed on the outer side of the upper mold 504 , the inner wall of the slider 1 506 is fixedly connected to the outer side of the upper mold 504 , a lower mold 507 is fixedly disposed on the inner side of the slider 2 509 , and a pressing block 508 is fixedly disposed on the top surface of the lower mold 507 .
[0039] Working principle: Open the cylinder 503, push the upper mold 504 and the lower mold 507 to slide and dock on the surface of the support rod 501 through the slider 506, and inject at the injection port 505 of the upper mold 504;
[0040] Water is injected into the outer shell 302, and the motor 402 is turned on to control the rotation of the threaded rod 403, and the threaded rod 403 is pushed to rotate on the inner wall of the bearing seat 404, so as to push the pushing block 405 to move, drive the lifting plate 406 to move, and make the die part 5 enter the outer shell part 3 to cool down, and then the motor 402 is turned on again to make the die part 5 escape from the outer shell 302.
[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A die pressing device for an injection molding machine for preventing a mold from loosening, comprising an anti-slip pad (1), characterized in that: A support foot (2) is arranged above the anti-slip pad (1), the bottom surface of the support foot (2) is fixedly connected to the top surface of the anti-slip pad (1), an outer shell (3) is arranged above the support foot (2), a propulsion part (4) is arranged inside the outer shell (3), and a pressing mold part (5) is arranged inside the propulsion part (4); The propulsion portion (4) comprises a support plate (401), a motor (402) being arranged on the top surface of the support plate (401), a bottom surface of the motor (402) being fixedly connected to the top surface of the support plate (401), a bottom surface of an output rod of the motor (402) penetrating the top surface of the support plate (401) and extending to below the support plate (401), a threaded rod (403) being arranged on the bottom surface of the output rod of the motor (402), a top surface of the threaded rod (403) being fixedly connected to the bottom surface of the output rod of the motor (402), a bearing seat (404) being arranged on the surface of the threaded rod (403), and an inner wall of the bearing seat (404) being rotatably connected to the surface of the threaded rod (403).
2. The mold pressing device for an injection molding machine for preventing mold loosening according to claim 1, characterized in that: The surface of the threaded rod (403) is threadedly connected to a propulsion block (405), the inner wall of the propulsion block (405) is threadedly connected to the surface of the threaded rod (403), the inner side surface of the propulsion block (405) is provided with a lifting plate (406), and the outer side surface of the lifting plate (406) is fixedly connected to the inner side surface of the propulsion block (405).
3. The mold pressing device for an injection molding machine for preventing mold loosening according to claim 2, characterized in that: The inner wall of the propulsion block (405) is provided with a sliding rod (407), and the surface of the sliding rod (407) is slidably connected to the inner wall of the propulsion block (405).
4. The die pressing device for an injection molding machine for preventing mold loosening according to claim 1, characterized in that: The outer shell portion (3) comprises a bottom plate (301), the bottom surface of the bottom plate (301) being fixedly connected to the top surface of the support leg (2), the top surface of the bottom plate (301) being provided with an outer shell (302), the bottom surface of the outer shell (302) being fixedly connected to the top surface of the bottom plate (301).
5. The die pressing device for an injection molding machine for preventing mold loosening according to claim 1, characterized in that: The die section (5) comprises a support rod (501) and a second slider (509); the bottom surface of the support rod (501) is fixedly connected to the top surface of the lifting plate (406); the top surface of the support rod (501) is provided with a top plate (502); the bottom surface of the top plate (502) is fixedly connected to the top surface of the support rod (501).
6. A die pressing device for an injection molding machine for preventing mold loosening according to claim 5, characterized in that: The top surface of the top plate (502) is provided with a cylinder (503), the bottom surface of the cylinder (503) is fixedly connected to the top surface of the top plate (502), the bottom surface of the output rod of the cylinder (503) passes through the top surface of the top plate (502) and extends to below the top plate (502), the bottom surface of the cylinder (503) is fixedly provided with an upper mold (504), and the inner wall of the upper mold (504) is fixedly provided with an injection port (505).
7. A die pressing device for an injection molding machine for preventing mold loosening according to claim 6, characterized in that: The outer side surface of the upper mold (504) is provided with a slider 1 (506), the inner wall of the slider 1 (506) is fixedly connected to the outer side surface of the upper mold (504), the inner side surface of the slider 2 (509) is fixedly provided with a lower mold (507), and the top surface of the lower mold (507) is fixedly provided with a pressing block (508).
Citation Information
Patent Citations
Mold pressing device for injection molding machine
CN210851196U