Mold base demolding ejection mechanism

By designing a mold blank ejection mechanism, which uses an electric motor to drive a rotating disk and an internal gear transmission gear, the mold blank is automatically ejected, solving the problem of uneven manual demolding in existing technologies and improving demolding efficiency.

CN224183643UActive Publication Date: 2026-05-01DONGGUAN JINGXIAO METAL PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN JINGXIAO METAL PROD CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing technologies, demolding of the mold blank requires manual operation, which leads to uneven demolding, is time-consuming and labor-intensive, and affects work efficiency.

Method used

A mold blank ejection mechanism was designed, including a base, a module body and a pushing component. The mechanism uses an electric motor to drive a rotating disk and an internal gear to mesh with a transmission gear, and a threaded rod to drive a lifting rod and a pushing block to achieve automated ejection of the mold blank.

Benefits of technology

It improves the efficiency of mold base demolding and realizes an automated and efficient mold base ejection process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mold bases, in particular to a mold base demolding ejection mechanism which comprises a base, a mold body and a pushing assembly, two fixing plates are vertically and fixedly arranged on the upper surface of the base, a rectangular plate is fixedly arranged on the lower surface of the mold body, two rectangular holes are formed in the upper surface of the rectangular plate, and the pushing assembly is arranged on the base. The upper ends of the two fixing plates are inserted into the inner sides of the two rectangular holes respectively, the upper ends of one sides of the two fixing plates are both fixedly provided with connecting blocks, and the rectangular plate is arranged between the two connecting blocks in a sliding mode. The threaded rod drives the lifting rod to move up and down in a threaded mode, the lifting rod drives the pushing block to slide up and down on the inner side of the containing groove, the mold base in the shaping groove is pushed out through the upper end of the pushing block, and the working efficiency of mold base demolding is improved.
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Description

A mold blank ejection mechanism Technical Field

[0001] This utility model relates to the field of mold blank technology, specifically a mold blank demolding and ejection mechanism. Background Technology

[0002] The basic frame or structural core of a mold is the mold blank, which provides the basis for the installation and positioning of other components of the mold.

[0003] In the prior art, such as the mold blank positioning mechanism for mold blank processing proposed in patent application number "CN202222252968.6", a base is included, and a mold is set on the top of the base. The base has an installation chamber inside, and a motor is installed inside the installation chamber. The output end of the motor is connected to a gear. Two sets of racks are meshed on both sides of the gear, and a fixing plate is installed on the top of each set of racks. A rectangular protrusion is provided at the bottom of each set of racks. Both sides of the rectangular protrusion are set as inclined surfaces. The base has an inclined sliding groove adapted to the rectangular protrusion inside.

[0004] However, in the aforementioned patent, when using injection molds to produce plastic product mold blanks, manual demolding is required. The uneven force during demolding causes the mold blanks to be obstructed and unable to be removed, which is time-consuming and labor-intensive, affecting the efficiency of mold blank demolding. Summary of the Invention

[0005] The purpose of this invention is to provide a mold blank ejection mechanism to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A mold blank ejection mechanism includes a base, a module body and a pushing component. Two fixing plates are vertically fixed on the upper surface of the base, and a rectangular plate is fixed on the lower surface of the module body.

[0008] The rectangular plate has two rectangular holes on its upper surface. The upper ends of two fixing plates are respectively inserted into the inner side of the two rectangular holes. A connecting block is fixedly installed on the upper side of one side of each of the two fixing plates. The rectangular plate is slidably disposed between the two connecting blocks. Two positioning bolts are threaded between the rectangular plate and the two connecting blocks. The pushing component includes a motor. The motor is fixedly disposed on the lower surface of the base. A rotating disk is fixedly disposed at the output end of the motor. The rotating disk is rotatably disposed on the upper surface of the base.

[0009] Preferably, an internal gear is fixedly provided on the upper surface of the rotating disk, a transmission gear is meshed on the inner side of the internal gear, and a threaded rod is fixedly provided on the upper surface of the transmission gear.

[0010] Preferably, the outer surface of the threaded rod is threaded with a lifting rod, the upper end of the lifting rod is rotatably provided with a pushing block, and a limit block is fixedly provided on one side of each of the two fixed plates, and the lifting rod is slidably disposed between the two limit blocks.

[0011] Preferably, the lower surface of the rectangular plate is provided with a rectangular placement groove, and the pushing block is slidably disposed inside the placement groove.

[0012] Preferably, both ends of the push block are fixedly provided with sliding blocks, and two sliding grooves are opened on the inner side of the placement groove, with the two sliding blocks slidably disposed inside the two sliding grooves respectively.

[0013] Preferably, the upper surface of the module body is provided with a shaping groove, and the inside of the shaping groove is provided with two pairs of moving holes, and the upper end of the push block is slidably disposed inside the two pairs of moving holes.

[0014] The beneficial effects of this utility model are:

[0015] The present invention includes a push assembly comprising an electric motor and a rotating disk, etc. A rectangular plate is fixedly mounted on the upper end of two fixed plates. The internal gear meshes and drives the transmission gear to rotate, causing the threaded rod to drive the lifting rod to move up and down. The lifting rod drives the push block to slide up and down inside the placement groove. The upper end of the push block pushes out the mold blank inside the molding groove, thereby improving the demolding efficiency of the mold blank. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 is a schematic diagram of the main body of the module and the positioning bolt structure of this utility model;

[0019] Figure 3 is a schematic diagram of the base and fixing plate structure of this utility model;

[0020] Figure 4 is a schematic diagram of the internal gear and transmission gear structure of this utility model;

[0021] Figure 5 is a schematic diagram of the placement groove and sliding groove structure of this utility model.

[0022] The attached figures are labeled as follows:

[0023] 1. Base; 2. Fixing plate; 3. Module body; 4. Connecting block; 5. Positioning bolt; 6. Motor; 7. Rotating disk; 8. Internal gear; 9. Transmission gear; 10. Threaded rod; 11. Lifting rod; 12. Pushing block; 13. Limiting block; 14. Placement slot; 15. Sliding block; 16. Sliding groove; 17. Shaping groove; 18. Moving hole; 19. Rectangular plate. Detailed Implementation

[0024] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] A mold blank ejection mechanism includes a base 1, a module body 3 and a pushing component. Two fixing plates 2 are vertically fixed on the upper surface of the base 1, and a rectangular plate 19 is fixed on the lower surface of the module body 3.

[0026] The upper surface of the rectangular plate 19 has two rectangular holes. The upper ends of the two fixing plates 2 are respectively inserted into the inner side of the two rectangular holes. A connecting block 4 is fixedly installed on the upper side of one side of each of the two fixing plates 2. The rectangular plate 19 is slidably installed between the two connecting blocks 4. Two positioning bolts 5 are threaded between the rectangular plate 19 and the two connecting blocks 4. The pushing component includes a motor 6. The motor 6 is fixedly installed on the lower surface of the base 1. A rotating disk 7 is fixedly installed at the output end of the motor 6. The rotating disk 7 is rotatably installed on the upper surface of the base 1.

[0027] As shown in Figures 1, 2, 3 and 4, the rectangular plate 19 is slidably placed on the upper end of the two fixed plates 2, so that the upper ends of the two fixed plates 2 are inserted into the inner side of the two rectangular holes respectively. The two positioning bolts 5 are threaded into the interior of the two fixed plates 2 and the rectangular plate 19 respectively. The rotating disk 7 is driven to rotate on the upper surface of the base 1 by the output end of the motor 6. The model of the motor 6 is 42BLF0630NBB.

[0028] An internal gear 8 is fixedly mounted on the upper surface of the rotating disk 7, and a transmission gear 9 is meshed on the inner side of the internal gear 8. A threaded rod 10 is fixedly mounted on the upper surface of the transmission gear 9.

[0029] As shown in Figure 4, the rotating disk 7 drives the internal gear 8 to rotate, the internal gear 8 meshes with the transmission gear 9 to rotate, and the transmission gear 9 drives the threaded rod 10 to rotate.

[0030] The outer surface of the threaded rod 10 is threaded with a lifting rod 11. The upper end of the lifting rod 11 is rotatably equipped with a push block 12. Limit blocks 13 are fixedly installed on one side of each of the two fixed plates 2. The lifting rod 11 is slidably positioned between the two limit blocks 13.

[0031] As shown in Figures 3 and 4, the threaded rod 10 drives the lifting rod 11 to move up and down, and the lifting rod 11 drives the push block 12 to move up and down, so that the lifting rod 11 slides between the two limit blocks 13, thereby controlling the position of the lifting rod 11.

[0032] A rectangular placement groove 14 is provided on the lower surface of the rectangular plate 19, and the pushing block 12 is slidably disposed inside the placement groove 14.

[0033] As shown in Figures 4 and 5, the lifting rod 11 drives the pushing block 12 to slide up and down inside the placement groove 14.

[0034] Both ends of the push block 12 are fixedly provided with sliding blocks 15, and two sliding grooves 16 are opened on the inner side of the placement groove 14. The two sliding blocks 15 are respectively slidably disposed inside the two sliding grooves 16.

[0035] As shown in Figures 4 and 5, when the push block 12 moves up and down, the two sliding blocks 15 slide inside the two sliding grooves 16 respectively, controlling the position of the push block 12.

[0036] The upper surface of the module body 3 is provided with a shaping groove 17, and two pairs of moving holes 18 are provided inside the shaping groove 17. The upper end of the push block 12 is slidably disposed inside the two pairs of moving holes 18.

[0037] As shown in Figures 2, 3 and 5, when the push block 12 moves up and down, the upper end of the push block 12 slides inside the moving hole 18, and the mold blank inside the molding groove 17 is pushed out by the push block 12.

[0038] The working principle of the mold blank ejection mechanism provided by this utility model is as follows:

[0039] Slide the rectangular plate 19 onto the upper end of the two fixed plates 2. Insert one end of the two positioning bolts 5 into the interior of the two fixed plates 2 and the rectangular plate 19, so that the pushing block 12 is placed inside the placement groove 14. Start the motor 6, and drive the rotating disk 7 to rotate on the upper surface of the base 1 through the output end of the motor 6. Drive the internal gear 8 to rotate through the rotating disk 7. Drive the transmission gear 9 to rotate through the meshing of the internal gear 8, so that the threaded rod 10 rotates. Drive the lifting rod 11 to move up and down through the threaded rod 10, so that the pushing block 12 slides up and down inside the placement groove 14. The upper end of the pushing block 12 slides up and down inside the two pairs of moving holes 18, and pushes out the mold blank inside the molding groove 17 through the upper end of the pushing block 12.

[0040] Compared with related technologies, the mold blank ejection mechanism provided by this utility model has the following beneficial effects:

[0041] The present invention includes a push assembly comprising a motor 6 and a rotating disk 7, etc. A rectangular plate 19 is fixedly mounted on the upper end of two fixed plates 2. The internal gear 8 meshes with and drives the transmission gear 9 to rotate, causing the threaded rod 10 to drive the lifting rod 11 to move up and down. The lifting rod 11 drives the push block 12 to slide up and down inside the placement groove 14. The upper end of the push block 12 pushes out the mold blank inside the molding groove 17, thereby improving the demolding efficiency of the mold blank.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A mold blank ejection mechanism, comprising a base (1), a module body (3), and a pushing assembly, characterized in that, Two fixing plates (2) are vertically fixed on the upper surface of the base (1), and a rectangular plate (19) is fixed on the lower surface of the module body (3). Two rectangular holes are opened on the upper surface of the rectangular plate (19). The upper ends of the two fixing plates (2) are respectively inserted into the inner side of the two rectangular holes. An L-shaped connecting block (4) is fixed on the upper side of one side of each of the two fixing plates (2). The rectangular plate (19) is slidably disposed between the two connecting blocks (4). Two positioning bolts (5) are threaded between the rectangular plate (19) and the two connecting blocks (4). The pushing component includes a motor (6). The motor (6) is fixedly disposed on the lower surface of the base (1). A rotating disk (7) is fixedly disposed at the output end of the motor (6). The rotating disk (7) is rotatably disposed on the upper surface of the base (1).

2. The mold blank ejection mechanism according to claim 1, characterized in that, An internal gear (8) is fixedly provided on the upper surface of the rotating disk (7), and a transmission gear (9) is meshed on the inner side of the internal gear (8). A threaded rod (10) is fixedly provided on the upper surface of the transmission gear (9).

3. The mold blank ejection mechanism according to claim 2, characterized in that, The outer surface of the threaded rod (10) is threaded with a lifting rod (11), and the upper end of the lifting rod (11) is rotatably provided with a push block (12). Limit blocks (13) are fixedly provided on one side of each of the two fixed plates (2), and the lifting rod (11) is slidably disposed between the two limit blocks (13).

4. The mold blank ejection mechanism according to claim 3, characterized in that, The lower surface of the rectangular plate (19) is provided with a rectangular placement groove (14), and the pushing block (12) is slidably disposed inside the placement groove (14).

5. The mold blank ejection mechanism according to claim 4, characterized in that, Both ends of the push block (12) are fixedly provided with sliding blocks (15), and two sliding grooves (16) are opened on the inner side of the placement groove (14). The two sliding blocks (15) are respectively slidably disposed inside the two sliding grooves (16).

6. The mold blank ejection mechanism according to claim 4, characterized in that, The upper surface of the module body (3) is provided with a shaping groove (17), and two pairs of moving holes (18) are provided inside the shaping groove (17). The upper end of the push block (12) is slidably disposed inside the two pairs of moving holes (18).

Citation Information

Patent Citations

  • Mold base positioning mechanism for mold base machining

    CN217912496U