A layered demolding guide device for a metal shell mold

Abstract

This utility model discloses a layered demolding guide device for a metal shell mold, including a frame, a layered demolding mechanism, and a pressing mechanism. The frame is equipped with the layered demolding mechanism and the pressing mechanism, with the pressing mechanism located above the layered demolding mechanism. This layered demolding guide device for a metal shell mold combines worm gear transmission with gear and rack transmission to achieve coordinated movement of the first demolding frame and the second demolding frame, completing layered demolding and avoiding product deformation or damage. The worm gear and rack transmission provides a stable structure, high transmission efficiency, and small space occupation, making it suitable for complex mold structures. The first demolding frame is slidably connected to the lower mold body, and the second demolding frame is guided by a rack, ensuring a smooth and precise demolding process and improving product quality. Driven by a motor and electric push rod, manual intervention is reduced, alleviating the user's workload and improving production efficiency and consistency.

Description

Technical Field

[0001] This utility model relates to the field of metal shell mold technology, specifically a layered demolding guide device for metal shell molds. Background Technology

[0002] Layered demolding guide devices are a key technology in modern precision molds, especially for metal shell forming molds with complex structures, deep cavities, thin walls, or special appearance requirements. This device aims to solve defects such as product tearing, deformation, whitening, and even cracking that can occur with traditional integral demolding methods. Its core design concept lies in decomposing the traditional single demolding motion into multiple orderly and coordinated layered actions. Layered demolding guide devices are an indispensable guarantee for achieving automated, efficient, and high-quality production of high-end metal shell molds, representing an advanced level of technology in mold design and manufacturing. However, existing layered demolding guide devices for metal shell molds still have certain shortcomings. While traditional layered demolding guide devices for metal shell molds are effective, conventional molds typically employ single-ejection demolding for complex structures, deep cavities, or undercut metal shells. This method generates large and concentrated demolding forces, which can easily lead to deformation, tearing, or even breakage of the product due to uneven stress. To achieve layered demolding, traditional designs may require multiple independent drive sources, resulting in bulky structures, large space requirements, high costs, and difficulty in ensuring precise synchronization between multiple actions, leading to low reliability and frequent user problems. Summary of the Invention

[0003] The purpose of this invention is to provide a layered demolding guide device for metal shell molds, to solve the problem mentioned in the background art that traditional molds for complex metal shells with deep cavities or undercuts typically use a single ejection for demolding. This method results in large and concentrated demolding forces, which can easily lead to deformation, tearing, or even breakage of the product due to uneven stress. To achieve layered demolding, traditional designs may require multiple independent drive sources, resulting in a bulky structure, large space occupation, high cost, and difficulty in ensuring precise synchronization between multiple actions, leading to low reliability and problems that often plague users.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a layered demolding guide device for a metal shell mold, comprising a frame, a layered demolding mechanism, and a pressing mechanism. The frame is provided with the layered demolding mechanism and the pressing mechanism, and the pressing mechanism is located above the layered demolding mechanism. The layered demolding mechanism includes a lower mold body, a fixed plate, a transmission motor, a worm gear, a first demolding frame, a worm wheel, a rotating rod, a gear, a rack, and a second demolding frame. The lower mold body is fixedly installed on the frame, and a groove is provided on the frame. A fixed plate is fixedly installed on the lower bottom surface of the frame. A transmission motor is fixedly installed at the center of the lower bottom surface of the fixed plate. A worm gear is fixedly installed at the output end of the transmission motor. A first demolding frame is provided on the upper part of the worm gear, and the first demolding frame is slidably connected to the lower mold body.

[0005] As a preferred embodiment of this utility model, a worm gear meshes with the worm, a rotating rod is fixedly installed on the worm gear, two sets of gears are fixedly installed on the rotating rod, a rack meshes with the gears, and a second demolding frame is fixedly installed on the top surface of the rack.

[0006] As a preferred embodiment of this utility model, the worm and the fixed plate are connected by a through bearing, the upper part of the worm is provided with a thread, and the worm and the first demolding frame are connected by a thread.

[0007] As a preferred embodiment of this utility model, the pressing mechanism includes an electric push rod, an upper mold body, a connecting plate, and a spring. The electric push rod is fixedly installed at the center of the upper top surface of the frame, and the upper mold body is fixedly installed at the output end of the electric push rod.

[0008] As a preferred embodiment of this utility model, a groove is provided on the lower bottom surface of the upper mold body, a connecting plate is provided on the lower bottom surface of the upper mold body, and a square protrusion is provided on the upper top surface of the connecting plate, and the groove and the square protrusion are used in conjunction.

[0009] As a preferred technical solution of this utility model, four cylindrical grooves are provided on the lower mold body, and springs are fixedly installed inside the cylindrical grooves. The other end of the springs is fixedly installed on the bottom surface of the connecting plate.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This layered demolding guide device for metal shell molds achieves coordinated movement of the first and second demolding frames through a combination of worm gear and rack transmission, completing layered demolding and avoiding product deformation or damage. The worm gear and rack transmission provides a stable structure, high transmission efficiency, and small space occupation, making it suitable for complex mold structures. Furthermore, the first demolding frame is slidably connected to the lower mold body, and the second demolding frame is guided by a rack, ensuring a smooth and precise demolding process and improving product quality. Driven by a motor and electric push rod, it reduces manual intervention, alleviates the user's workload, and improves production efficiency and consistency. Attached Figure Description

[0011] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the front cross-sectional structure of the layered demolding mechanism of this utility model; Figure 3 This is a front view disassembled structural diagram of the pressing mechanism of this utility model.

[0012] In the diagram: 1. Frame; 2. Layered demolding mechanism; 201. Lower mold body; 202. Fixing plate; 203. Drive motor; 204. Worm gear; 205. First demolding frame; 206. Worm wheel; 207. Rotating rod; 208. Gear; 209. Rack; 210. Second demolding frame; 3. Pressing mechanism; 301. Electric push rod; 302. Upper mold body; 303. Connecting plate; 304. Spring. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1-3This utility model provides a technical solution: a layered demolding guide device for a metal shell mold, comprising a frame 1, a layered demolding mechanism 2, and a pressing mechanism 3. The frame 1 is equipped with the layered demolding mechanism 2 and the pressing mechanism 3, with the pressing mechanism 3 located above the layered demolding mechanism 2. The layered demolding mechanism 2 includes a lower mold body 201, a fixed plate 202, a transmission motor 203, a worm gear 204, a first demolding frame 205, a worm wheel 206, a rotating rod 207, and a gear. The frame includes a wheel 208, a rack 209, and a second demolding frame 210. A lower mold body 201 is fixedly installed on the frame body 1. A groove is provided on the frame body 1, and a fixing plate 202 is fixedly installed on the bottom surface of the frame body 1. A drive motor 203 is fixedly installed at the center of the bottom surface of the fixing plate 202. A worm gear 204 is fixedly installed at the output end of the drive motor 203. A first demolding frame 205 is provided on the upper part of the worm gear 204, and the first demolding frame 205 is slidably connected to the lower mold body 201.

[0015] A worm gear 204 is meshed with a worm wheel 206, a rotating rod 207 is fixedly installed on the worm wheel 206, two sets of gears 208 are fixedly installed on the rotating rod 207, a rack 209 is meshed on the gears 208, and a second demolding frame 210 is fixedly installed on the top surface of the rack 209.

[0016] The worm 204 is connected to the fixed plate 202 by a through bearing. The upper part of the worm 204 is provided with threads, and the worm 204 is connected to the first demolding frame 205 by threads.

[0017] The pressing mechanism 3 includes an electric push rod 301, an upper mold body 302, a connecting plate 303, and a spring 304. The electric push rod 301 is fixedly installed at the center of the upper top surface of the frame 1, and the upper mold body 302 is fixedly installed at the output end of the electric push rod 301.

[0018] The lower bottom surface of the upper mold body 302 is provided with a groove, and a connecting plate 303 is provided on the lower bottom surface of the upper mold body 302. The upper top surface of the connecting plate 303 is provided with a square protrusion, and the groove and the square protrusion are used in conjunction.

[0019] The lower mold body 201 has four cylindrical grooves, and springs 304 are fixedly installed inside the cylindrical grooves. The other end of the springs 304 is fixedly installed on the bottom surface of the connecting plate 303.

[0020] Working principle: When using a layered demolding guide device for a metal shell mold, the worm gear 204 is first driven to rotate by the drive motor 203. The worm gear 204 is connected to the first demolding frame 205 by a thread, which drives the first demolding frame 205 to slide along the lower mold body 201, thus ejecting the product and achieving the first layer demolding. At the same time, the worm 204 and worm wheel 206 drive the rotating rod 207 to rotate, which in turn drives the gear 208 on the rotating rod 207 to rotate. The meshing of the gear 208 and the rack 209 drives the rack 209 to move up and down, thereby driving the second demolding frame 210 to move upward and eject the product, thus completing the second demolding. When the equipment is working, the pressing mechanism 3 pushes the upper mold body 302 and the lower mold body 201 to press together via the electric push rod 301. The connecting plate 303 and the upper mold body 302 are engaged by the groove and the protrusion, and the spring 304 provides buffering and restoring force to ensure the smoothness and accuracy of the pressing and demolding process, thereby completing a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A layered demolding guide device of a metal shell mold, comprising a frame body (1), a layered demolding mechanism (2) and a pressing mechanism (3), the layered demolding mechanism (2) and the pressing mechanism (3) are arranged on the frame body (1), and the pressing mechanism (3) is located above the layered demolding mechanism (2); characterized in that: The layered demolding mechanism (2) includes a lower mold body (201), a fixed plate (202), a transmission motor (203), a worm gear (204), a first demolding frame (205), a worm wheel (206), a rotating rod (207), a gear (208), a rack (209), and a second demolding frame (210). The lower mold body (201) is fixedly installed on the frame body (1). The frame body (1) has a groove, and the fixed plate (202) is fixedly installed on the bottom surface of the frame body (1). The transmission motor (203) is fixedly installed at the center of the bottom surface of the fixed plate (202). The worm gear (204) is fixedly installed at the output end of the transmission motor (203). The first demolding frame (205) is provided on the upper part of the worm gear (204), and the first demolding frame (205) is slidably connected to the lower mold body (201).

2. A layered ejection guide for a metal housing mold as defined in claim 1, wherein A worm gear (206) meshes with the worm (204), a rotating rod (207) is fixedly installed on the worm gear (206), two sets of gears (208) are fixedly installed on the rotating rod (207), a rack (209) meshes with the gears (208), and a second demolding frame (210) is fixedly installed on the top surface of the rack (209).

3. A layered demolding guide for a metal housing mold according to claim 2, wherein The worm (204) is connected to the fixed plate (202) by a through bearing. The upper part of the worm (204) is provided with threads. The worm (204) is connected to the first demolding frame (205) by threads.

4. A layered demolding guide for a metal housing mold according to claim 3, wherein The pressing mechanism (3) includes an electric push rod (301), an upper mold body (302), a connecting plate (303) and a spring (304). The electric push rod (301) is fixedly installed at the center of the upper top surface of the frame (1), and the upper mold body (302) is fixedly installed at the output end of the electric push rod (301).

5. A layered ejection guide for a metal housing mold as defined in claim 4, wherein The lower bottom surface of the upper mold body (302) is provided with a groove, and a connecting plate (303) is provided on the lower bottom surface of the upper mold body (302). The upper top surface of the connecting plate (303) is provided with a square protrusion, and the groove and the square protrusion are used in conjunction.

6. A layered ejection guide for a metal housing mold as defined in claim 1, wherein The lower mold body (201) has four cylindrical grooves, and springs (304) are fixedly installed inside the cylindrical grooves. The other end of the springs (304) is fixedly installed on the bottom surface of the connecting plate (303).

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