Injection mold convenient to demold and used for wire reel plastic product
By combining the synchronous transmission components and the mold pushing components, the problems of incomplete demolding and damage of traditional welding wire spool plastic products are solved, realizing a fast and efficient demolding process and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202423290452.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The demolding process for traditional welding wire spool plastic products is cumbersome and time-consuming, easily damaging the plastic parts, and the demolding is incomplete, affecting product precision and quality, and increasing production costs.
The design employs a synchronous transmission assembly, a lower mold lifting assembly, and an upper mold pushing assembly to ensure synchronized mold opening and closing, preventing plastic products from sticking together. Combined with the height design of the first groove, it avoids molten plastic overflowing, achieving rapid and efficient demolding.
It enables rapid and complete demolding, improves production efficiency and product precision, reduces cleaning costs and workload, and ensures product quality.
Smart Images
Figure CN223630857U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic product production, especially to a plastic product injection mold for welding wire disc convenient to demould. BACKGROUND
[0002] In the production process of welding wire disc plastic products, demolding is a crucial link. However, the traditional welding wire disc plastic product demolding method often has many shortcomings. The traditional mold design usually lacks an efficient demolding mechanism, resulting in a cumbersome and time-consuming demolding process. When demolding, the operator often needs to manually or use tools to pry the plastic parts, which not only is inefficient, but also easily damages the plastic parts, affecting their precision and quality. In addition, the traditional mold design often cannot guarantee the completeness of demolding, and the molded plastic products are easily stuck to the mold, which not only increases the difficulty of subsequent processing, but also may cause product scrap, increasing production cost.
[0003] Based on this, the utility model provides a plastic product injection mold for welding wire disc convenient to demould to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at solving the defects in the prior art and provides a plastic product injection mold for welding wire disc convenient to demould.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A plastic product injection mold for welding wire disc convenient to demould, comprising a workbench, a base mold is installed on the workbench, a left mold and a right mold matched with the base mold are arranged on the top of the base mold, the left mold and the right mold are both slidably installed on the workbench through a synchronous transmission assembly, a same pressing forming plate is arranged on the top of the left mold and the right mold, the pressing forming plate is slidably installed on the workbench, a first groove is formed in the base mold, the first groove is cylindrical in shape, a second groove is formed in the left mold and the right mold, the second groove is composed of an upper part and a lower part, the upper part is a semicylinder with the same radius as the first groove, and the lower part is a smaller semicylinder, a lower mold lifting assembly and an upper mold pushing assembly are respectively installed on the base mold and the pressing forming plate.
[0007] As a preferred technical scheme of the utility model, the lower mold lifting assembly comprises a lower pushing plate, the lower pushing plate is slidably installed on the base mold, a first lifting cylinder is fixedly installed at the bottom of the workbench, and the output end of the first lifting cylinder penetrates through the workbench and is fixedly connected with the lower pushing plate.
[0008] As a preferred technical scheme of the utility model, the diameter of the lower push plate is same with the inner diameter of the first groove body, and the height of the first groove body is slightly greater than the height of the lower end of the welding wire disc mold during forming.
[0009] As a preferred technical scheme of the utility model, the upper mold push assembly comprises two second lifting cylinders and a third lifting cylinder, the third lifting cylinder and the two second lifting cylinders are fixedly installed on the workbench, the output ends of the two second lifting cylinders are fixedly connected with the pressing forming plate, an installation groove is formed at the bottom center of the pressing forming plate, an upper push plate is installed at the installation groove, and the output end of the third lifting cylinder is fixedly connected with the upper push plate through the pressing forming plate.
[0010] As a preferred technical scheme of the utility model, the shape and size of the upper push plate are same with the installation groove.
[0011] As a preferred technical scheme of the utility model, the synchronous transmission assembly comprises four threaded blocks, the threaded blocks are fixedly installed at the front and rear ends of the left mold and the right mold respectively, two bidirectional screws are rotatably installed on the workbench, the threaded blocks are threadedly installed at the front and rear ends of the bidirectional screws respectively, the same end of the bidirectional screws is provided with a transmission wheel, a belt is slidably installed between the transmission wheels, a driving motor is fixedly installed on the workbench, and the output end of the driving motor is fixedly connected with the other end of the bidirectional screw.
[0012] As a preferred technical scheme of the utility model, two position sensors for monitoring the positions of the left mold and the right mold are fixedly installed on the workbench.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The utility model discloses a synchronous transmission assembly and the mutual cooperation of lower mold lifting assembly and upper mold push assembly, avoid the incomplete demolding caused by the demolding of one side, prevent the sticking of the formed plastic product on the mold of one side, and the design of the lower mold lifting assembly and the upper mold push assembly prevents the sticking of the formed plastic product on the base mold and the pressing forming plate, ensures the integrity of demolding, realizes the quick and efficient demolding operation, greatly improves the production efficiency, guarantees the precision and quality of the product, improves the market competitiveness of the product, and realizes the quick and efficient demolding operation.
[0015] The utility model discloses a first groove body's height is slightly greater than the height of the design of the lower end of the welding wire disc mould when forming, avoid the product shape inaccuracy, size deviation etc. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, the following description in the drawing is the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0017] Figure 1 The utility model provides a kind of overall structure schematic diagram of the injection mould of welding wire disc plastic product of convenient demoulding that the utility model proposes;
[0018] Figure 2 The utility model provides a kind of overall structure schematic diagram of the injection mould of welding wire disc plastic product of convenient demoulding that the utility model proposes in demoulding state;
[0019] Figure 3 The utility model provides a kind of overall structure schematic diagram of the injection mould of welding wire disc plastic product of convenient demoulding that the utility model proposes after complete demoulding state;
[0020] Figure 4 The sectional view of Figure 1 The sectional view of
[0021] Figure 5 The sectional view of Figure 3 The sectional view of
[0022] In the drawing:
[0023] Workbench;2, base mould;3, left mould;4, right mould;5, press forming plate;6, first groove body;7, second groove body;8, lower mould jacking assembly;9, upper mould push assembly;901, second lifting cylinder;902, third lifting cylinder;903, mounting groove;904, upper push plate;10, lower push plate;11, first lifting cylinder;12, synchronous transmission assembly;1201, threaded block;1202, bidirectional screw;1203, transmission wheel;1204, belt;1205, drive motor;13, position sensor. DETAILED DESCRIPTION
[0024] The technical scheme in the utility model embodiment will be clearly and completely described in the utility model embodiment in the following with the drawings in the utility model embodiment;
[0025] Refer toFigures 1-5 The utility model provides a plastic product injection mold of wire reel convenient to demould, including workbench 1, install base mould 2 on workbench 1, the top of base mould 2 is provided with left mould 3 and right mould 4 matched with base mould 2 respectively, left mould 3 and right mould 4 are all slidably installed on workbench 1 through synchronous transmission assembly 12, the top of left mould 3 and right mould 4 is provided with same press forming plate 5, press forming plate 5 is slidably installed on workbench 1, first slot 6 is seted up on base mould 2, and first slot 6 is cylindrical, and second slot 7 is seted up on left mould 3 and right mould 4, and second slot 7 is composed of upper and lower two parts, and the upper part is semicircular cylinder with the same radius as first slot 6, and the lower part is a smaller semicircular cylinder, and lower mould lifting assembly 8 and upper mould pushing assembly 9 are installed on base mould 2 and press forming plate 5 respectively. First slot 6 is communicated with second slot 7, and together forms the forming groove of wire reel plastic product, when demoulding, first make left mould 3 and right mould 4 synchronous outward movement through synchronous transmission assembly 12, at this moment, press forming plate 5 firmly presses the formed plastic product, when left mould 3 and right mould 4 move to a certain degree, lower mould lifting assembly 8 and upper mould pushing assembly 9 are started simultaneously, to prevent the formed plastic product from sticking to base mould 2 and press forming plate 5, make left mould 3 and right mould 4 synchronous outward movement through synchronous transmission assembly 12, avoid the incomplete demoulding caused by the demoulding of one side alone, and press forming plate 5 firmly presses the formed plastic product, and the mould is pressed in first slot 6, to prevent the formed plastic product from moving with left mould 3 or right mould 4, and ensure that the formed plastic product is not deformed or damaged in the demoulding process, help to ensure the precision and quality of product, improve the market competitiveness of product, the injection mold adopts the cooperation of synchronous transmission assembly 12, lower mould lifting assembly 8 and upper mould pushing assembly 9, realizes the quick and efficient demoulding operation, greatly improves the production efficiency, reduces the production delay and cost increase caused by the difficulty of demoulding.
[0026] The lower mold lifting assembly 8 comprises a lower push plate 10 which is slidingly installed on the base mold 2, and the bottom of the workbench 1 is fixedly installed with a first lifting cylinder 11, and the output end of the first lifting cylinder 11 is fixedly connected with the lower push plate 10 through the workbench 1; the diameter of the lower push plate 10 is the same as the inner diameter of the first groove body 6, and the height of the first groove body 6 is slightly larger than the height of the lower end of the welding wire disc mold during molding. When demolding is needed, the first lifting cylinder 11 is started to push the lower push plate 10 to rise along the base mold 2, and as the lower push plate 10 rises, it gradually pushes the molded plastic product out of the first groove body 6 until it is completely separated from the base mold 2; the diameter of the lower push plate 10 is accurately designed to match the inner diameter of the first groove body 6, which ensures that the lower push plate 10 can tightly fit the inner wall of the first groove body 6 during demolding, providing uniform lifting force and effectively preventing the molded plastic product from being damaged due to lateral force generated during demolding; during the injection molding process, the molten plastic material will be injected into the mold under high pressure to form the required welding wire disc plastic product, and if the height of the first groove body 6 is exactly the same as the height of the lower end of the welding wire disc mold during molding, then during the injection process, a part of the molten plastic material will overflow from the top of the second groove body 7, which not only causes the product shape to be inaccurate and the size to be deviated, but also may contaminate the mold and the working environment, and even damage the mold; the design that the height of the first groove body 6 is slightly larger than the height of the lower end of the welding wire disc product during molding avoids the problems of inaccurate product shape and size deviation caused by the overflow of molten plastic material, improves the quality of the welding wire disc plastic product, reduces the pollution of the mold and the working environment caused by the overflow of molten plastic material, and reduces the cleaning cost and the working intensity.
[0027] The upper die pushing assembly 9 comprises two second lifting cylinders 901 and a third lifting cylinder 902, the third lifting cylinder 902 and the two second lifting cylinders 901 are fixedly installed on the workbench 1, the output ends of the two second lifting cylinders 901 are fixedly connected with the pressing forming plate 5, a mounting groove 903 is arranged at the bottom center of the pressing forming plate 5, an upper pushing plate 904 is mounted at the mounting groove 903, and the output end of the third lifting cylinder 902 penetrates through the pressing forming plate 5 and is fixedly connected with the upper pushing plate 904; the shape and size of the upper pushing plate 904 are completely same as those of the mounting groove 903. In the injection molding process, the second lifting cylinder 901 is responsible for driving the pressing forming plate 5 to descend, so that the pressing forming plate 5 is in close contact with the upper end of the welding wire disc mold, thereby forming a closed forming space, by accurately controlling the lifting speed and position of the second lifting cylinder 901, the close fit between the pressing forming plate 5 and the mold can be ensured, and the leakage of plastic during the molding process is avoided; after the injection molding is completed, the third lifting cylinder 902 is responsible for driving the upper pushing plate 904 to descend, thereby ejecting the molded welding wire disc plastic product, preventing the molded plastic product from adhering to the pressing forming plate 5, and the shape and size of the upper pushing plate 904 are completely same as those of the mounting groove 903, preventing the upper pushing plate 904 from affecting the molding of the plastic product during the pressing forming process.
[0028] The synchronous transmission assembly 12 comprises four threaded blocks 1201 fixedly installed at the front and rear ends of the left mold 3 and the right mold 4 respectively, two bidirectional screws 1202 rotatably installed on the workbench 1, the four threaded blocks 1201 are threadedly installed at the front and rear ends of the two bidirectional screws 1202 respectively, the same end of the two bidirectional screws 1202 is provided with a transmission wheel 1203, the two transmission wheels 1203 are slidably installed with a belt 1204, the workbench 1 is fixedly installed with a driving motor 1205, the output end of the driving motor 1205 is fixedly connected with the other end of the bidirectional screw 1202; the workbench 1 is fixedly installed with two position sensors 13 for monitoring the positions of the left mold 3 and the right mold 4. The driving motor 1205 drives one of the bidirectional screws 1202 to rotate, through the transmission effect of the belt 1204, the other bidirectional screw 1202 also rotates synchronously, synchronous movement of the two bidirectional screws 1202 is realized, when the bidirectional screw 1202 rotates, due to the meshing effect of the screw, the threaded block 1201 moves along the screw direction, so as to drive the left mold 3 and the right mold 4 to open and close, the design of the bidirectional screw 1202 makes the threaded blocks 1201 at the front and rear ends move to the opposite or same direction at the same time, so as to ensure synchronous opening and closing of the mold; the workbench 1 is fixedly installed with two position sensors 13 for monitoring the positions of the left mold 3 and the right mold 4, when the mold moves to the preset position, the position sensor 13 sends a signal, the driving motor 1205 can be accurately controlled to stop through the control system, so as to ensure accurate positioning of the mold; the design of the synchronous transmission assembly 12 makes the left mold 3 and the right mold 4 open and close quickly and accurately, so as to shorten the injection molding cycle and improve the production efficiency.
[0029] It should be understood by those of ordinary skill in the art that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest the scope (including claims) of the present application is limited to these examples; under the thought of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.
[0030] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be embraced by the claims.
Claims
1. An injection mold for plastic articles of a spool of welding wire facilitating demolding, characterized in that, The utility model provides a welding wire plate moulding device, including workbench (1), the workbench (1) is installed with base mould (2), the top of base mould (2) is provided with left mould (3) and right mould (4) with base mould (2) is matched respectively, left mould (3) and right mould (4) are all through synchronous transmission subassembly (12) sliding installation on workbench (1), the top of left mould (3) and right mould (4) is provided with same pressing forming plate (5), pressing forming plate (5) sliding installation is on workbench (1), first slot (6) is seted up on base mould (2), first slot (6) is cylindrical, second slot (7) is seted up on left mould (3) and right mould (4) respectively, and the upper and lower two parts of second slot (7) constitute, and the upper part is the semicircle cylinder with the same radius of first slot (6), and the lower part is small semicircle cylinder, and lower mould lifting assembly (8) and upper mould pushing assembly (9) are installed on base mould (2) and pressing forming plate (5) respectively.
2. The plastic injection mold with an easy-to-release wire spool for plastic articles of claim 1, wherein, The lower mould lifting assembly (8) includes a lower pushing plate (10) slidingly installed on the base mould (2), and a first lifting cylinder (11) fixedly installed at the bottom of the workbench (1), with the output end of the first lifting cylinder (11) penetrating through the workbench (1) and being fixedly connected with the lower pushing plate (10).
3. The plastic injection mold with an easy-to-demold wire spool for plastic articles of claim 2, wherein, The diameter of the lower pushing plate (10) is the same as the inner diameter of the first slot (6), and the height of the first slot (6) is greater than the height of the lower end of the welding wire plate mould during moulding.
4. The plastic article injection mold with ease of wire disc removal of claim 3, wherein, The upper mould pushing assembly (9) includes two second lifting cylinders (901) and a third lifting cylinder (902), both of which are fixedly installed on the workbench (1), with the output ends of the two second lifting cylinders (901) being fixedly connected with the pressing forming plate (5), and the bottom center of the pressing forming plate (5) being provided with a mounting groove (903) in which an upper pushing plate (904) is installed, and the output end of the third lifting cylinder (902) penetrating through the pressing forming plate (5) and being fixedly connected with the upper pushing plate (904).
5. The plastic article injection mold with ease of wire disc removal of claim 4, wherein, The shape and size of the upper pushing plate (904) are the same as those of the mounting groove (903).
6. The plastic injection mold with an easy-to-demold wire spool for plastic articles of claim 5, wherein, Said synchronous transmission assembly (12) includes four threaded blocks (1201), four said threaded blocks (1201) are fixedly installed at the front and rear ends of the left mold (3) and the right mold (4) respectively, two bidirectional screws (1202) are rotatably installed on the workbench (1), four said threaded blocks (1201) are threadedly installed at the front and rear ends of two bidirectional screws (1202) respectively, the same end of two bidirectional screws (1202) is provided with a transmission wheel (1203), a belt (1204) is slidably installed between two transmission wheels (1203), a driving motor (1205) is fixedly installed on the workbench (1), and the output end of the driving motor (1205) is fixedly connected with the other end of the bidirectional screw (1202).
7. The injection mold for plastic articles with wire disc facilitating demolding according to claim 6, characterized in that Two position sensors (13) for monitoring the positions of the left mold (3) and the right mold (4) are fixedly installed on the workbench (1).