Plastic mould for quickly forming plastic part by multi-cavity rotating teeth of automobile
By using the technology of mechanical side-drawing to drive internal threads in the injection molding process of automobile parts, the problem of cumbersome and low-efficiency removal of the threaded shaft is solved, and the structure of the injection mold is simplified and the production cycle is shortened.
Patent Information
- Application Number
- CN202420551486.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-03-21
AI Technical Summary
During the injection molding process of automobile parts, in order to avoid damage to the internal threads of the parts, people need to remove the threaded shafts one by one through rotation, which is cumbersome and inefficient.
It uses the technology of mechanical side pumping to drive internal threads, and through the cooperation of racks and meshing gears, all threaded shafts can be ejected from the product at one time.
The structure of the injection mold is simplified, making it compact and stable in transmission, improving the smoothness of mold ejection of plastic parts and the stability of production, and greatly shortening the production cycle.
Smart Images

Figure CN222372202U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts processing, in particular to a plastic mold for automobile multi-cavity tooth-turning rapid prototyping plastic parts. Background Art
[0002] During the injection molding process of automotive parts, for parts that need to have internal threads on the inner wall, personnel often need to insert a threaded shaft into the part molding slot so that the part can form the corresponding internal threads after molding. After the part is molded, personnel need to take out the placed threaded shaft. In order to avoid damaging the internal threads of the parts, personnel can only take them out one by one by rotating them. The process is cumbersome and the removal efficiency is low, so there are certain shortcomings.
[0003] In summary, it is necessary to invent a plastic mold for automobile multi-cavity turning teeth rapid prototyping plastic parts. Utility Model Content
[0004] To this end, the utility model provides a plastic mold for automobile multi-cavity thread-turning rapid prototyping plastic parts to solve the problem that in order to avoid damage to the internal threads of the parts, personnel can only take them out one by one by rotating, which is a cumbersome process and has low removal efficiency.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold for automobile multi-cavity turning teeth rapid prototyping plastic parts, comprising a mold base, a sealing top seat is arranged above the top end of the outer wall of the mold base, a molding mold is arranged on the side of the mold base opposite to the sealing top seat, a cylinder fixing frame is installed on one side of the outer wall of the mold base, a cylinder is arranged on the cylinder fixing frame, an injection port is opened at the top of the sealing top seat, a liquid inlet is arranged at the bottom end of the outer wall of the injection port and located inside the molding mold, and a molding component is arranged at the top end of the outer wall of the mold base and located below the liquid inlet.
[0006] Preferably, the end of the cylinder fixing frame is fixed to the outer wall side end of the mold base through a fixing block, the cylinder is installed on the side end of the cylinder fixing frame away from the mold base, and the output end of the cylinder is connected to a rack.
[0007] Preferably, the molding component includes a bottom supporting shaft, and a plurality of the bottom supporting shafts are arranged at the top end of the outer wall of the mold base in a circular array, and the bottom ends of the bottom supporting shafts are rotatably connected to the top end of the outer wall of the mold base.
[0008] Preferably, a meshing gear a is provided on the bottom side of the outer wall of the bottom supporting rotating shaft, two adjacent meshing gears a mesh with each other, and a molding mechanism is installed on the top of the outer wall of the bottom supporting rotating shaft.
[0009] Preferably, a fixed mold base is provided at the outer end of the molding mechanism and below the liquid inlet, the molding mechanism includes a transmission shaft, a transmission gear is fixed on the outer wall of the transmission shaft and one end close to the bottom supporting shaft, and a product is abutted at the upper end of the outer wall of the transmission shaft and at a position corresponding to the bottom of the liquid inlet.
[0010] Preferably, the outer wall of the product is threadedly connected with a threaded shaft, the outer wall of the threaded shaft is sleeved with an outer sleeve, the outer wall of the threaded shaft is rotatably connected to the inner wall of the outer sleeve, and the inner wall of the threaded shaft is fixed to the outer wall of the transmission shaft.
[0011] Preferably, a strip groove is provided at the top of the outer wall of the mold base and at a position corresponding to the rack, and the outer wall of the rack is slidably connected to the inner wall of the strip groove.
[0012] Preferably, a driving gear is provided at the top of the outer wall of the mold base and on the inner side of the molding mechanism, the outer walls of the transmission gears are meshed with the outer walls of the driving gears, a bottom input gear is fixed to the outer wall of the driving gear via a rotating shaft, and the outer wall of the bottom input gear is meshed with the end of the rack away from the cylinder.
[0013] The beneficial effects of the utility model are:
[0014] The utility model adopts the technology of mechanical side extraction to drive the internal thread to eject all the threaded shafts from the product at one time, so that the structure of the injection mold is simplified, the injection mold structure is compact, the transmission is stable, the plastic parts are ejected smoothly, the stability of plastic parts production is improved, the production cycle is greatly shortened, and high benefits are brought to the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model in a top view;
[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the three-dimensional structure after removing the forming mold;
[0017] Figure 3 It is a schematic diagram of part of the structure when the molded component is fixed in the utility model in the front view direction;
[0018] Figure 4 It is a schematic diagram of the partial structure of the connection between the rack and the driving gear in the utility model;
[0019] Figure 5 It is a schematic diagram of the overall structure of the molding component in the utility model;
[0020] Figure 6 For this utility model Figure 5 Schematic diagram of the structure after removing the outer sleeve;
[0021] Figure 7 For this utility model Figure 5 Schematic diagram of part of the explosion structure.
[0022] In the figure: 100, mold base; 200, sealing top seat; 210, injection port; 220, liquid inlet; 300, cylinder; 310, cylinder fixing frame; 320, rack; 400, molding mold; 410, fixed mold base; 500, bottom supporting shaft; 510, meshing gear a; 520, driving gear; 521, bottom input gear; 530, molding mechanism; 531, transmission shaft; 532, transmission gear; 533, outer sleeve; 534, product; 535, threaded shaft. DETAILED DESCRIPTION
[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0024] See attached Figure 1-7 The utility model provides a plastic mold for automobile multi-cavity tooth-turning rapid prototyping plastic parts, including a mold base 100, a sealing top seat 200 is arranged above the top of the outer wall of the mold base 100, a molding mold 400 is arranged on the side opposite to the sealing top seat 200 of the mold base 100, a cylinder fixing frame 310 is installed on one side of the outer wall of the mold base 100, and a cylinder 300 is arranged on the cylinder fixing frame 310. The cylinder fixing frame 310 is arranged to fix the cylinder 300 on one side of the outer wall of the mold base 100, and the arranged cylinder 300 can be driven by the output shaft to move the rack 320, so that the rack 32 ... The rack 320 can drive the molding part to rotate, the end of the cylinder fixing frame 310 is fixed to the outer wall side end of the mold base 100 through a fixing block, the cylinder 300 is installed on the side end of the cylinder fixing frame 310 and away from the mold base 100, the output end of the cylinder 300 is connected to the rack 320, the top of the sealing top seat 200 is provided with an injection port 210, the bottom end of the outer wall of the injection port 210 and located inside the molding mold 400 is provided with a liquid inlet 220, and the injection port 210 is provided for injecting injection liquid, and the liquid inlet 220 is provided for transporting the injection liquid to the product 534 for injection molding;
[0025] A molding component is provided at the top of the outer wall of the mold base 100 and below the liquid inlet 220, and the molding component includes a bottom support shaft 500. A plurality of bottom support shafts 500 are arranged at the top of the outer wall of the mold base 100 in a circular array. The bottom support shaft 500 is provided to support the bottom end of the molding mechanism 530. The bottom ends of the bottom support shafts 500 are rotatably connected to the top of the outer wall of the mold base 100. Meshing gears a510 are provided on the bottom sides of the outer walls of the bottom support shafts 500. Two adjacent meshing gears a510 are meshed with each other. A molding mechanism 530 is installed at the top of the outer wall of the bottom support shaft 500. A fixed mold base 410 is provided at the outer end of the molding mechanism 530 and below the liquid inlet 220. The fixed mold base 410 is provided to support the top of the molding mechanism 530. To fix it, to prevent it from shaking during the injection molding process, the molding mechanism 530 includes a transmission shaft 531, the outer wall of the transmission shaft 531 and one end close to the bottom supporting shaft 500 are fixed with a transmission gear 532, the upper end of the outer wall of the transmission shaft 531 and the corresponding position of the bottom of the liquid inlet 220 are abutted with a product 534, the outer wall of the product 534 is threadedly connected with a threaded shaft 535, the outer wall of the threaded shaft 535 is sleeved with an outer sleeve 533, the outer wall of the threaded shaft 535 is rotatably connected to the inner wall of the outer sleeve 533, and the inner wall of the threaded shaft 535 is fixed to the outer wall of the transmission shaft 531. Specifically, when the transmission shaft 531 rotates, it can drive the threaded shaft 535 to rotate, and the threaded shaft 535 can rotate and eject the product 534 when rotating, so that personnel can directly remove the product 534;
[0026] The top of the outer wall of the mold base 100 and the position corresponding to the rack 320 are provided with a strip groove, the outer wall of the rack 320 is slidably connected with the inner wall of the strip groove, the top of the outer wall of the mold base 100 and the inner side of the molding mechanism 530 are provided with a driving gear 520, the outer wall of the transmission gear 532 is meshed with the outer wall of the driving gear 520, the outer wall of the driving gear 520 is fixed with a bottom input gear 521 through a rotating shaft, and the outer wall of the bottom input gear 521 is meshed with the end of the rack 320 away from the cylinder 300. Specifically, the strip groove is provided to allow the rack 320 to pass through, and when the cylinder 300 drives the rack 320 to move through the output shaft, the rack 320 can drive the bottom input gear 521 to rotate through the meshing effect, and the bottom input gear 521 can rotate the driving gear 520 through the rotating shaft when rotating, and the driving gear 520 can simultaneously drive the transmission gear 532 to rotate when rotating, so that the molding mechanism 530 can simultaneously rotate to take out the product 534.
[0027] The use process of the utility model is as follows: a person skilled in the art can first assemble the mold according to the above description, and then inject the injection liquid into the mold through the injection port 210 and the liquid inlet 220, so that the injection liquid is cooled to form a product 534, and then the personnel can pass cooling water into the outer wall of the forming mold 400 to cool the injection liquid. When the cooling time of the parts is reached, the personnel can remove the sealing top seat 200 and the forming mold 400, and then start the cylinder 300, so that the cylinder 300 can push the rack 320 to move toward the direction of the mold base 100 through the output shaft, and the rack 320 moves. When the bottom input gear 521 is in motion, it can drive the bottom input gear 521 to rotate through the meshing effect, and when the bottom input gear 521 rotates, it will cause the driving gear 520 to rotate through the rotating shaft, and when the driving gear 520 rotates, it can simultaneously drive the transmission gear 532 to rotate, so that the transmission gear 532 drives the transmission shaft 531 to rotate, and when the transmission shaft 531 rotates, it can drive the threaded shaft 535 to rotate, and when the threaded shaft 535 rotates, it can eject the product 534, so that personnel can directly remove the product 534, thereby achieving the effect of removing all products 534 at one time.
[0028] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.
Claims
1. A plastic mold for automobile multi-cavity rapid prototyping plastic parts, comprising a mold base (100), a sealing top seat (200) is arranged above the top of the outer wall of the mold base (100), and a molding mold (400) is arranged on the side opposite to the sealing top seat (200) of the mold base (100), characterized in that: A cylinder fixing frame (310) is installed on one side of the outer wall of the mold base (100), and a cylinder (300) is arranged on the cylinder fixing frame (310). An injection port (210) is provided at the top of the sealing top seat (200), and a liquid inlet (220) is provided at the bottom end of the outer wall of the injection port (210) and located inside the molding mold (400), and a molding component is provided at the top end of the outer wall of the mold base (100) and located below the liquid inlet (220).
2. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 1, characterized in that: The end of the cylinder fixing frame (310) is fixed to the side end of the outer wall of the mold base (100) through a fixing block, and the cylinder (300) is installed on the side end of the cylinder fixing frame (310) away from the mold base (100), and the output end of the cylinder (300) is connected to the rack (320).
3. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 2, characterized in that: The molding component comprises a bottom support shaft (500), and a plurality of the bottom support shafts (500) are arranged at the top end of the outer wall of the mold base (100) in a circular array, and the bottom ends of the bottom support shafts (500) are rotatably connected to the top end of the outer wall of the mold base (100).
4. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 3, characterized in that: The bottom side of the outer wall of the bottom supporting rotating shaft (500) is provided with a meshing gear a (510), and two adjacent meshing gears a (510) are meshed with each other. The top end of the outer wall of the bottom supporting rotating shaft (500) is installed with a molding mechanism (530).
5. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 4, characterized in that: A fixed mold base (410) is provided at the outer end of the molding mechanism (530) and located below the liquid inlet (220). The molding mechanism (530) comprises a transmission shaft (531). A transmission gear (532) is fixed to the outer wall of the transmission shaft (531) and one end close to the bottom supporting rotating shaft (500). A product (534) is abutted at the upper end of the outer wall of the transmission shaft (531) and at a position corresponding to the bottom of the liquid inlet (220).
6. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 5, characterized in that: The outer wall of the product (534) is threadedly connected with a threaded shaft (535), the outer wall of the threaded shaft (535) is sleeved with an outer sleeve (533), the outer wall of the threaded shaft (535) is rotatably connected to the inner wall of the outer sleeve (533), and the inner wall of the threaded shaft (535) is fixed to the outer wall of the transmission shaft (531).
7. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 5, characterized in that: A strip groove is provided at the top of the outer wall of the mold base (100) and at a position corresponding to the rack (320), and the outer wall of the rack (320) is slidably connected to the inner wall of the strip groove.
8. The automobile multi-cavity rapid prototyping plastic parts plastic mold according to claim 7, characterized in that: A driving gear (520) is provided at the top of the outer wall of the mold base (100) and located on the inner side of the molding mechanism (530); the outer wall of the transmission gear (532) is meshed with the outer wall of the driving gear (520); a bottom input gear (521) is fixed to the outer wall of the driving gear (520) via a rotating shaft; and the outer wall of the bottom input gear (521) is meshed with an end of the rack (320) away from the cylinder (300).