A multi-cavity die with a throttle valve structure
By introducing a throttling valve structure and layered design into the multi-cavity mold, the problem of simultaneous wax injection into the cavity in traditional molds is solved, enabling selective wax injection and efficient demolding, reducing production costs and losses, and improving production flexibility and efficiency.
Patent Information
- Application Number
- CN202521958194.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-11
AI Technical Summary
In traditional multi-cavity molds, wax is injected into all cavities simultaneously, making selective production impossible. This results in excessive waste and increased production costs, and the wax channels adhere to the cavities, making demolding difficult.
The design incorporates a multi-cavity mold with a throttling valve structure. By setting rotatable throttling valve one and throttling valve two in the wax grooves of the upper template and upper panel, the wax injection path can be controlled and adjusted using a cross-shaped wax injection track. The wax channel and wax part are designed in layers, and air blowing holes are used to assist in demolding.
It achieves selective wax injection control, reduces wax waste, lowers production costs, improves production flexibility and demolding efficiency, avoids wax channel adhesion to wax parts, and enhances mold usability and production efficiency.
Smart Images
Figure CN224673726U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mold technology, specifically to a multi-cavity mold with a throttle valve structure. Background Technology
[0002] In traditional multi-cavity wax injection molds, molten wax enters all cavities simultaneously through the main channel, achieving synchronous wax injection molding. However, the existing technology has the following problems:
[0003] In traditional multi-cavity molds, wax is injected into all cavities simultaneously during wax injection, making selective production impossible, increasing unnecessary waste, and leading to higher production costs. Furthermore, the wax channel and the cavity are on the same layer, causing the waxed parts to stick to the wax channel when they are removed. Utility Model Content
[0004] This invention provides a multi-cavity mold with a throttling valve structure to solve the problems mentioned in the background art.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0006] A multi-cavity mold with a throttling valve structure includes an upper panel, an upper template at the bottom of the upper panel, a lower template at the bottom of the upper template, a wax groove extending through its rear side at the top of the upper template, a wax channel inside the wax groove, four pouring holes in a rectangular array at the top of the upper template, and four wax part cavities in a rectangular array at the bottom of the upper template. The four pouring holes extend into the inner cavities of the four wax part cavities. Mounting grooves are provided on the left and right sides of the bottom of the inner wall of the wax groove, and a throttling valve is movably mounted in the inner cavity of two of the mounting grooves. A cross-shaped wax injection track extending through three sides is provided on the top of the throttling valve, and the side of the outer wall of the throttling valve away from the cross-shaped wax injection track extending through the three sides is blocked.
[0007] A further improvement of this utility model is that: lifting handles are fixedly installed on both the left and right sides of the upper panel and the upper template.
[0008] A further improvement of this utility model is that: four wax molds are fixedly installed in a rectangular array at the bottom of the lower template, and a wax body is provided on the top of each of the four wax molds. The four wax bodies are respectively snapped into the inner cavity of the four wax cavities. An air blowing hole is provided on the front side of the lower template, which extends to the bottom of the four wax molds.
[0009] A further improvement of this utility model is that: a second wax groove is provided at the bottom of the upper panel, which extends through its rear side; the second wax groove is aligned vertically with the first wax groove; the top left and right sides of the inner wall of the second wax groove are provided with mounting grooves; a throttle valve is movably installed in the inner cavity of each of the two mounting grooves; a cross-shaped wax injection track is provided at the bottom of the second throttle valve, extending through three surfaces; the outer wall of the second throttle valve is sealed off on the side of the cross-shaped wax injection track that extends through the three surfaces; and the second cross-shaped wax injection track is aligned vertically with the first cross-shaped wax injection track.
[0010] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0011] 1. This utility model provides a multi-cavity mold with a throttling valve structure. By setting rotatable throttling valve one and throttling valve two in the wax groove of the upper template and the upper panel, and through the structural design of its cross-shaped wax injection track one and cross-shaped wax injection track two, the wax injection path can be controlled and adjusted. This structure allows the operator to selectively open or close specific injection holes by rotating the throttling valve, thereby realizing the wax injection control of some wax part cavities. It effectively solves the problem that traditional multi-cavity molds cannot selectively inject wax, significantly reduces wax waste and production loss, lowers production costs, and improves production flexibility and economy.
[0012] 2. This utility model provides a multi-cavity mold with a throttling valve structure. By setting the wax channel at the top of the upper mold plate and the wax part cavity at its bottom, a layered design of wax channel and wax part is achieved. During the mold opening process, the wax channel can be removed first, and then the wax part can be removed by blowing air holes to assist in demolding. This effectively avoids the problem of wax channel and wax part sticking together in the traditional structure. This layered structure combined with the blowing demolding design significantly improves demolding efficiency and operation convenience, reduces product damage rate, and improves the practicality and production efficiency of the mold. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the upper panel and upper template of the present invention in a separated state.
[0015] Figure 3 This is a schematic diagram showing the upper and lower templates of the present invention in a separated state.
[0016] Figure 4 This is a top view of the wax tank structure of this utility model;
[0017] Figure 5 This is a bottom view of the wax tank structure of this utility model.
[0018] In the diagram: 1. Top panel; 11. Wax tank two; 12. Throttling valve two; 121. Cross-shaped wax injection track two; 2. Upper template; 21. Wax tank one; 211. Throttling valve one; 212. Cross-shaped wax injection track one; 22. Wax channel; 23. Pour hole; 24. Wax part cavity; 3. Lower template; 31. Wax part mold; 32. Wax part body; 33. Air blow hole; 4. Lifting handle. Detailed Implementation
[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0020] like Figure 1 , Figure 2 As shown, this utility model provides a multi-cavity mold with a throttle valve structure, including an upper panel 1, an upper template 2 merged at the bottom of the upper panel 1, a lower template 3 merged at the bottom of the upper template 2, a wax groove 21 extending through its rear side at the top of the upper template 2, a wax channel 22 provided inside the wax groove 21, four pouring holes 23 arranged in a rectangular array at the top of the upper template 2, and four wax cavities 24 arranged in a rectangular array at the bottom of the upper template 2, with the four pouring holes 23 respectively extending into the inner cavity of the four wax cavities 24. Lifting handles 4 are fixedly installed on the left and right sides of the upper panel 1 and the upper template 2 to facilitate the operator to open and close the mold. After opening the mold, the wax channel 22 is removed first, and then the upper template 2 is lifted.
[0021] During wax injection, molten wax enters from wax tank 1 21 and wax tank 2 11, and is guided by the cross-shaped wax injection track 1 212 and cross-shaped wax injection track 2 121 in throttle valve 1 211 and throttle valve 2 121, flowing into the corresponding pouring hole 23, and finally injected into the wax part cavity 24 to form the wax part.
[0022] like Figure 3 As shown, four wax molds 31 are fixedly installed in a rectangular array at the bottom of the lower template 3. Each of the four wax molds 31 has a wax body 32 on its top. The four wax bodies 32 are respectively snapped into the inner cavity of the four wax cavities 24. An air blowing hole 33 is opened on the front side of the lower template 3, which extends to the bottom of the four wax molds 31, and is used to blow air to assist in demolding during demolding.
[0023] When opening the mold, first separate the upper panel 1 and the upper template 2 to expose the wax channel 22, which can be removed; then lift the upper template 2 to expose the wax body 32; then connect the air source through the air blowing hole 33 and blow air to make the wax body 32 separate from the wax cavity 24 for easy removal. When closing the mold, close the upper template 2 and the upper panel 1 in reverse order to prepare for the next wax injection cycle.
[0024] like Figure 4 , Figure 5As shown, the inner wall of wax tank 1 21 has installation slots on both the left and right sides at the bottom, and throttle valve 211 is movably installed in the inner cavity of both installation slots 1. The top of throttle valve 211 has a cross-shaped wax injection track 212 that extends to three sides. The outer wall of throttle valve 211 is blocked on the side that is away from the cross-shaped wax injection track 212 that extends to three sides. The bottom of the upper panel 1 has a wax tank 2 11 that extends to its rear side. Wax tank 2 11 is vertically aligned with wax tank 1 21. The inner wall of wax tank 2 11 has installation slots on both the left and right sides at the top, and throttle valve 2 12 is movably installed in the inner cavity of both installation slots 2. The bottom of throttle valve 2 12 has a cross-shaped wax injection track 2 121 that extends to three sides. The outer wall of throttle valve 2 12 is blocked on the side that is away from the cross-shaped wax injection track 2 121 that extends to three sides. The cross-shaped wax injection track 2 121 is vertically aligned with cross-shaped wax injection track 212.
[0025] By rotating the first throttle valve 211 and the second throttle valve 12, the wax injection path can be changed, and the on / off control of different pouring holes 23 can be realized. This allows for selective wax injection into some wax part cavities 24, enabling single-piece or multi-piece combined production, improving production flexibility and reducing waste.
[0026] The working principle of this multi-cavity mold with a throttle valve structure will be explained in detail below.
[0027] like Figure 1-5 As shown, during wax injection, molten wax enters from wax tank 1 21 and wax tank 2 11, and is guided by the cross-shaped wax injection track 1 212 and cross-shaped wax injection track 221 in throttle valve 1 211 and throttle valve 2 122, flowing into the corresponding pouring hole 23, and finally injected into the wax part cavity 24 for molding. By rotating throttle valve 1 211 and throttle valve 2 12, the wax injection path can be changed, realizing the on / off control of different pouring holes 23, thereby selectively injecting wax into some wax part cavities 24, realizing single or multi-piece combination production, improving production flexibility and reducing waste. When opening the mold, the upper panel 1 and the upper template 2 are separated first to expose the wax channel 22, which can be removed. Then the upper template 2 is lifted to expose the wax part body 32. After that, the air source is connected through the air blowing hole 33, and the air blowing makes the wax part body 32 detach from the wax part cavity 24 for easy removal. When closing the mold, the upper template 2 and the upper panel 1 are closed in reverse order to prepare for the next wax injection cycle.
[0028] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A multi-cavity mold with a throttle valve structure, comprising a top panel (1), characterized in that: The bottom of the upper panel (1) is joined with an upper template (2), and the bottom of the upper template (2) is joined with a lower template (3). A wax groove (21) penetrating its rear side is opened at the top of the upper template (2). A wax channel (22) is provided inside the wax groove (21). Four pouring holes (23) are arranged in a rectangular array at the top of the upper template (2). Four wax cavities (24) are arranged in a rectangular array at the bottom of the upper template (2). The four pouring holes (23) 23) The inner cavities of the four wax mold cavities (24) are respectively connected. The bottom left and right sides of the inner wall of the wax tank (21) are provided with mounting grooves. The inner cavities of the two mounting grooves are movably installed with throttle valves (211). The top of the throttle valve (211) is provided with a cross-shaped wax injection track (212) that extends to three sides. The outer wall of the throttle valve (211) is in a blocked state on the side that is away from the cross-shaped wax injection track (212) that extends to three sides.
2. A multi-cavity mold with a throttling valve structure according to claim 1, characterized in that: Lifting handles (4) are fixedly installed on both the left and right sides of the upper panel (1) and the upper template (2).
3. A multi-cavity mold with a throttling valve structure according to claim 1, characterized in that: The bottom rectangular array of the lower template (3) is fixedly installed with four wax molds (31). Each of the four wax molds (31) is provided with a wax body (32) on its top. The four wax bodies (32) are respectively snapped into the inner cavity of the four wax cavities (24). The front side of the lower template (3) is provided with an air hole (33) that extends to the bottom of the four wax molds (31).
4. A multi-cavity mold with a throttling valve structure according to claim 1, characterized in that: The bottom of the upper panel (1) is provided with a wax groove 2 (11) that runs through its rear side. The wax groove 2 (11) is aligned vertically with the wax groove 1 (21). The top left and right sides of the inner wall of the wax groove 2 (11) are provided with mounting groove 2. Throttling valve 2 (12) is movably installed in the inner cavity of the two mounting groove 2. The bottom of the throttle valve 2 (12) is provided with a cross-shaped wax injection track 2 (121) that runs through three sides. The side of the outer wall of the throttle valve 2 (12) that is away from the cross-shaped wax injection track 2 (121) that runs through three sides is blocked. The cross-shaped wax injection track 2 (121) is aligned vertically with the cross-shaped wax injection track 1 (212).