Injection mold based on gear and rack rotating mechanism

Through the design of driving cylinders, moving gears, rotating gears and other components in injection molds, the rapid molding and accurate positioning are realized, the problem of inconvenience in existing molds and inaccurate positioning in existing molds improves product quality.

CN222387514UActive Publication Date: 2025-01-24TAIZHOU HUANGYAN XUANYANG MOLDING CO LTD
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Patent Information

Application Number
CN202421282559.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-01-24
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The existing injection molds based on the rack and rack rotating mechanism are inconvenient to operate during mold release and are inaccurate in positioning, resulting in serious product edge covering and affecting quality.

Method used

Design a injection molding mold that includes driving cylinders, moving racks, rotating gears, rotating rods, from moving gears and rotating sales. Through the interaction of these components, it can achieve fast molding and accurate positioning.

Benefits of technology

The rapid release of the mold has been achieved, reducing the production of the product, and the quality of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold based on a gear and rack rotating mechanism, which comprises a mold frame, a driving cylinder is connected to the side wall of the mold frame through a connecting frame, a moving rack is connected to the driving end of the driving cylinder, and a rotating gear is connected to the side wall of the moving rack. The center of the rotating gear is connected with a rotating rod. The injection mold based on the gear and rack rotating mechanism is internally provided with the driving air cylinder, the movable rack, the rotating gear, the rotating rod, the driven gear and the rotating pin; and through the design that the mold can be quickly demolded by utilizing the driving cylinder, the movable rack, the rotating gear, the rotating rod, the driven gear, the rotating pin and the interaction among all the components, the demolding can be quickly realized, so that the device is more convenient to use, and the problem that the demolding cannot be quickly realized is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold based on a gear rack rotating mechanism. Background Art

[0002] During the use of the current injection mold based on the gear rack rotating mechanism, due to the structure of the gear, the gear is not very convenient when demolding. At the same time, the traditional mold will have deviations during positioning, and a large amount of burrs will appear during the production of the product, which will affect the quality of the product. In view of the above problems, it is necessary to provide an injection mold based on the gear rack rotating mechanism. Utility Model Content

[0003] The purpose of the utility model is to provide an injection mold based on a gear rack rotating mechanism to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An injection mold based on a gear rack rotating mechanism comprises a mold frame, a driving cylinder is connected to the side wall of the mold frame through a connecting frame, a moving rack is connected to the driving end of the driving cylinder, a rotating gear is connected to the side wall of the moving rack, a rotating rod is connected to the center of the rotating gear, a transmission gear is connected to the side wall of the rotating rod and located above the rotating gear, a driven gear is symmetrically connected to the side wall of the transmission gear, a rotating pin is connected to the center of two groups of the driven gears, a reverse mold tooth is connected to the end surface of the rotating pin, and a fixed limiting structure is symmetrically connected to the side wall of the mold frame;

[0006] The fixed limiting structure includes a fixed shell, which is fixed to the side wall of the mold frame by bolts, and multiple groups of spring seats are connected to the bottom of the inner cavity of the fixed shell, and a connecting slider is connected to the end surface of the spring seat, and a positioning column is connected to the end surface of the connecting slider, and a limiting guide sleeve is connected to the positioning column, and the limiting guide sleeve is connected to the side wall of the mold frame by bolts, and a connecting slide rod is symmetrically connected to the side wall of the connecting slide rod, and a rotating connecting rod is connected to the side wall of the connecting slide rod, and a rotating shaft is connected to the side wall of the rotating connecting rod, and the other end of the rotating connecting rod is connected to a fixed buckle, and the fixed buckle is connected to a fixed base, and the fixed base is connected to the side wall of the mold frame.

[0007] As a preferred solution of the utility model, a slide groove is provided on the mold frame and corresponds to the movable rack, wherein the movable rack and the slide groove are connected in a sliding manner.

[0008] As a preferred solution of the utility model, the rotating rod is connected to the inner cavity of the mold frame through a bearing seat, wherein the connection mode of the rotating rod and the bearing seat is a rotating connection.

[0009] As a preferred solution of the utility model, the rotating pin is connected to the inner cavity of the mold frame through a bearing seat, wherein the connection mode of the rotating pin and the bearing seat is a rotating connection.

[0010] As a preferred solution of the utility model, a limiting hole is provided on the limiting guide sleeve and corresponds to the positioning column, wherein the positioning column and the limiting hole are matched in a clearance fit.

[0011] As a preferred solution of the utility model, a sliding groove is provided on the side wall of the connecting slide block and corresponds to the connecting slide rod, wherein the connecting slide rod and the sliding groove are connected in a sliding manner.

[0012] As a preferred solution of the utility model, the rotating connecting rod is an L-shaped structure, and a connecting hole is opened on the side wall of the fixed shell and corresponds to the rotating shaft, wherein the connection method between the rotating shaft and the connecting hole is a rotating connection, and the connection method between the fixed buckle and the fixed socket is a buckle connection.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, a driving cylinder, a movable rack, a rotating gear, a rotating rod, a driven gear and a rotating pin are arranged in an injection mold based on a gear rack rotating mechanism, so that the driving cylinder, the movable rack, the rotating gear, the rotating rod, the driven gear, the rotating pin and the interaction between the various components are utilized to enable a design that allows the mold to be quickly demoulded, so that during the use of the injection mold based on the gear rack rotating mechanism, demoulding can be quickly achieved, making the device more convenient during use, thereby solving the problem that demoulding cannot be achieved quickly.

[0015] In the utility model, a fixed limiting structure is set in the injection mold based on the gear rack rotating mechanism, so that the interaction between the various components in the fixed limiting structure is utilized to enable the device to be accurately positioned. Therefore, during the use of the injection mold based on the gear rack rotating mechanism, the generation of product burrs can be reduced, the quality of the product can be improved, and the problem of inability to accurately position is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front and side structures of the utility model;

[0017] Figure 2 For this utility model Figure 1 Schematic diagram of some structures;

[0018] Figure 3 It is a structural schematic diagram of the fixed limiting structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure.

[0020] In the figure: 1. mold frame; 2. driving cylinder; 3. moving rack; 4. rotating gear; 5. rotating rod; 50. transmission gear; 6. driven gear; 7. rotating pin; 8. reverse mold tooth; 9. fixed limiting structure; 901. fixed shell; 902. spring seat; 903. connecting slide block; 904. positioning column; 905. limiting guide sleeve; 906. connecting slide bar; 907. rotating connecting rod; 908. rotating shaft; 909. fixing buckle; 910. fixing base. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0025] For example, please refer to Figure 1-4, the utility model provides a technical solution:

[0026] An injection mold based on a gear rack rotating mechanism comprises a mold frame 1, a driving cylinder 2 is connected to the side wall of the mold frame 1 through a connecting frame, a moving rack 3 is connected to the driving end of the driving cylinder 2, a rotating gear 4 is connected to the side wall of the moving rack 3, a rotating rod 5 is connected to the center of the rotating gear 4, a transmission gear 50 is connected to the side wall of the rotating rod 5 and above the rotating gear 4, a driven gear 6 is symmetrically connected to the side wall of the transmission gear 50, a rotating pin 7 is connected to the center of two groups of driven gears 6, a reverse mold tooth 8 is connected to the end surface of the rotating pin 7, and a fixed limiting structure 9 is symmetrically connected to the side wall of the mold frame 1;

[0027] Furthermore, a slide groove is provided on the mold frame 1 and corresponds to the movable rack 3, wherein the movable rack 3 is connected to the slide groove in a sliding manner, the rotating rod 5 is connected to the inner cavity of the mold frame 1 through a bearing seat, wherein the rotating rod 5 is connected to the bearing seat in a rotating manner, and the rotating pin 7 is connected to the inner cavity of the mold frame 1 through the bearing seat, wherein the rotating pin 7 is connected to the bearing seat in a rotating manner, so that the device is more smoothly used;

[0028] In this embodiment, reference Figure 1 , Figure 3 and Figure 4The fixed limiting structure 9 includes a fixed shell 901, which is fixed to the side wall of the mold frame 1 by bolts. A plurality of spring seats 902 are connected to the bottom of the inner cavity of the fixed shell 901. A connecting slider 903 is connected to the end surface of the spring seat 902. A positioning column 904 is connected to the end surface of the connecting slider 903. A limiting guide sleeve 905 is connected to the positioning column 904. The limiting guide sleeve 905 is connected to the side wall of the mold frame 1 by bolts. A connecting slide bar 906 is symmetrically connected to the side wall of the connecting slide bar 903. A rotating connecting rod 907 is connected to the side wall of the connecting slide bar 906. A rotating shaft 908 is connected to the side wall of the rotating connecting rod 907. A fixed buckle 909 is connected to the other end of the rotating connecting rod 907. A fixed clamping seat 910 is connected to the fixed buckle 909. The fixed clamping seat 910 is connected to the side wall of the mold frame 1, and is on the limiting guide sleeve 905 and A limiting hole is provided corresponding to the positioning column 904, wherein the positioning column 904 and the limiting hole are matched in a clearance match, so that the limiting guide sleeve 905 and the positioning column 904 cooperate with each other, and the positioning column 904 also moves downward, and a sliding groove is provided on the side wall of the connecting slide block 903 and corresponding to the connecting slide rod 906, wherein the connection mode of the connecting slide rod 906 and the sliding groove is a sliding connection, and the rotating connecting rod 907 is an L-shaped structure, and a connecting hole is provided on the side wall of the fixed shell 901 and corresponding to the rotating shaft 908, wherein the connection mode of the rotating shaft 908 and the connecting hole is a rotating connection, so that one end of the rotating connecting rod 907 is tilted, and at the same time, under the condition that the connection mode of the fixing buckle 909 and the fixing base 910 is a buckle connection, the fixing buckle 909 and the fixing base 910 cooperate with each other, thereby completing the fixation of the upper mold and the lower mold;

[0029] Furthermore, a limiting hole is provided on the limiting guide sleeve 905 corresponding to the positioning column 904, wherein the positioning column 904 and the limiting hole are matched in a clearance fit, a sliding groove is provided on the side wall of the connecting slider 903 corresponding to the connecting slide rod 906, wherein the connection mode between the connecting slide rod 906 and the sliding groove is a sliding connection, the rotating connecting rod 907 is an L-shaped structure, a connecting hole is provided on the side wall of the fixed shell 901 corresponding to the rotating shaft 908, wherein the connection mode between the rotating shaft 908 and the connecting hole is a rotating connection, and the connection mode between the fixing buckle 909 and the fixing base 910 is a buckle connection, so that the device can be used more smoothly during use.

[0030] The working process of the utility model is as follows: when using an injection mold based on a gear rack rotating mechanism, firstly, the driving cylinder 2 is started by controlling the switch, so that the driving end of the driving cylinder 2 moves forward, and a slide groove is provided on the mold frame 1 and corresponds to the moving rack 3, wherein the connection mode between the moving rack 3 and the slide groove is a sliding connection, which drives the moving rack 3 to move forward, and when the moving rack 3 moves forward, it drives the rotating gear 4 to rotate, and the rotating rod 5 is connected to the inner cavity of the mold frame 1 through the bearing seat, wherein the connection mode between the rotating rod 5 and the bearing seat is a rotating connection, which drives the rotating rod 5 to rotate, and when the rotating rod 5 is rotated, When the rod 5 rotates, it drives the transmission gear 50 to rotate, and drives the driven gear 6 to rotate under the condition that the driven gear 6 is symmetrically connected to the side wall of the transmission gear 50, and the rotating pin 7 is connected to the inner cavity of the mold frame 1 through the bearing seat, wherein the connection mode of the rotating pin 7 and the bearing seat is a rotating connection, and drives the rotating pin 7 to rotate under the condition. When the rotating pin 7 rotates, the rotating pin 7 drives the entire mold cavity to rotate. At this time, the injection molded part is limited and cannot rotate due to the fixation of the reverse mold teeth, but the kinetic energy brought by the rotation of the mold cavity will cause the injection molded part to vibrate, thereby driving the injection molded part to detach upward along the reverse mold teeth 8 to achieve demolding;

[0031] At the same time, when the mold is closed, a limiting hole is opened on the limiting guide sleeve 905 and corresponds to the positioning column 904, wherein the positioning column 904 and the limiting hole cooperate with each other under the condition of clearance cooperation, so that the limiting guide sleeve 905 and the positioning column 904 cooperate with each other, and the positioning column 904 also moves downward, and a sliding groove is opened on the side wall of the connecting slider 903 and corresponds to the connecting slide rod 906, wherein the connection mode of the connecting slide rod 906 and the sliding groove is a sliding connection, and the rotating connecting rod 907 is an L-shaped structure, and a connecting hole is opened on the side wall of the fixed shell 901 and corresponds to the rotating shaft 908, wherein the connection mode of the rotating shaft 908 and the connecting hole is a rotating connection, so that one end of the rotating connecting rod 907 is tilted, and at the same time, under the condition that the connection mode of the fixing buckle 909 and the fixed clamping seat 910 is a buckle connection, the fixing buckle 909 and the fixed clamping seat 910 cooperate with each other, thereby completing the fixation of the upper mold and the lower mold.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold based on a gear rack rotating mechanism, comprising a mold frame (1), characterized in that: The side wall of the mold frame (1) is connected to a driving cylinder (2) through a connecting frame, the driving end of the driving cylinder (2) is connected to a moving rack (3), the side wall of the moving rack (3) is connected to a rotating gear (4), the center of the rotating gear (4) is connected to a rotating rod (5), the side wall of the rotating rod (5) and above the rotating gear (4) is connected to a transmission gear (50), the side wall of the transmission gear (50) is symmetrically connected to a driven gear (6), the centers of two groups of the driven gears (6) are connected to a rotating pin (7), the end surface of the rotating pin (7) is connected to a reverse mold tooth (8), and the side wall of the mold frame (1) is symmetrically connected to a fixed limiting structure (9); The fixed limiting structure (9) comprises a fixed shell (901), the fixed shell (901) is fixed to the side wall of the mold frame (1) by bolts, the bottom of the inner cavity of the fixed shell (901) is connected to a plurality of groups of spring seats (902), the end surface of the spring seat (902) is connected to a connecting slide block (903), the end surface of the connecting slide block (903) is connected to a positioning column (904), the positioning column (904) is connected to a limiting guide sleeve (905), and the limiting guide sleeve (905) is connected to the fixing structure (901) by bolts. Connected to the side wall of the mold frame (1), the side wall of the connecting slider (903) is symmetrically connected to a connecting slide bar (906), the side wall of the connecting slide bar (906) is connected to a rotating connecting rod (907), the side wall of the rotating connecting rod (907) is connected to a rotating shaft (908), the other end of the rotating connecting rod (907) is connected to a fixing buckle (909), the fixing buckle (909) is connected to a fixing base (910), and the fixing base (910) is connected to the side wall of the mold frame (1).

2. The injection mold based on the gear rack rotating mechanism according to claim 1, characterized in that: A sliding groove is provided on the mold frame (1) and corresponds to the movable rack (3), wherein the movable rack (3) and the sliding groove are connected in a sliding manner.

3. The injection mold based on the gear rack rotating mechanism according to claim 1, characterized in that: The rotating rod (5) is connected to the inner cavity of the mold frame (1) via a bearing seat, wherein the rotating rod (5) and the bearing seat are connected in a rotating manner.

4. The injection mold based on the gear rack rotating mechanism according to claim 1, characterized in that: The rotating pin (7) is connected to the inner cavity of the mold frame (1) via a bearing seat, wherein the rotating pin (7) and the bearing seat are connected in a rotating manner.

5. The injection mold based on the gear rack rotating mechanism according to claim 1, characterized in that: A limiting hole is provided on the limiting guide sleeve (905) and corresponds to the positioning column (904), wherein the positioning column (904) and the limiting hole are matched in a clearance fit.

6. The injection mold based on the gear rack rotating mechanism according to claim 1, characterized in that: A sliding groove is provided on the side wall of the connecting slide block (903) and corresponds to the connecting slide bar (906), wherein the connecting slide bar (906) and the sliding groove are connected in a sliding manner.

7. The injection mold based on the gear rack rotating mechanism according to claim 1, characterized in that: The rotating connecting rod (907) is an L-shaped structure, and a connecting hole is provided on the side wall of the fixed shell (901) corresponding to the rotating shaft (908), wherein the rotating shaft (908) and the connecting hole are connected in a rotating manner, and the fixing buckle (909) and the fixing base (910) are connected in a buckle manner.