Self-adaptive positioning die frame for die

By using a design that engages the drive mechanism and a servo motor, the synchronous movement of the clamping components in the mold adaptive positioning mold frame is achieved, which solves the problem of inconsistent object axes caused by operational errors and improves machining accuracy and clamping stability.

CN224144400UActive Publication Date: 2026-04-21WENZHOU JUCANG MOULD FRAME CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU JUCANG MOULD FRAME CO LTD
Filing Date
2025-04-17
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In the operation of existing mold adaptive positioning mold frames, human error can cause the axis of the workpiece to be inconsistent, affecting the accuracy of the processing position.

Method used

The driven plate is rotated by a drive mechanism, which makes the four sets of clamping parts move horizontally in the straight groove. This allows the four sets of clamping parts to move closer to or away from the object at the same time. Synchronous action is achieved through servo motor and gear meshing. Combined with elastic clamping and height adjustment, it ensures that the object's axis is aligned.

Benefits of technology

It improves the positional accuracy of mold processing, reduces the impact of operational errors on processing precision, and enhances the stability and application range of clamping.

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Abstract

The utility model relates to the technical field of mold processing, and discloses a self-adaptive positioning mold frame for a mold. The positioning assembly comprises a cavity cylinder, four sets of straight grooves are formed in the upper end face of the cavity cylinder in a penetrating mode, a driven disc is rotationally installed on the inner wall of the cavity cylinder, four sets of arc-shaped grooves are formed in the driven disc in a penetrating mode, a driving mechanism is arranged on the inner side of the cavity cylinder, the driving mechanism is connected with the driven disc in a meshed mode, and four sets of clamping pieces are arranged on the inner side of the cavity cylinder. The driven disc is driven to rotate through the driving mechanism, so that the four sets of clamping pieces can only horizontally move in the straight grooves in order to cope with the position change of the arc-shaped grooves, the four sets of clamping pieces can be close to or away from the object at the same time, it is guaranteed that the axes of the objects are the same every time, and therefore the position accuracy of subsequent machining is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of mold processing technology, specifically to a mold adaptive positioning mold frame. Background Technology

[0002] A mold is a set of molds and tools used in industrial production to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping. In short, a mold is a tool used to create shaped objects; this tool is composed of various parts, and different molds are composed of different parts. It primarily achieves the shaping of objects by changing the physical state of the material being molded.

[0003] For example, the existing Chinese patent with authorization announcement number CN219026732U discloses an adaptive clamping mold frame for workpiece cutting mold. By rotating the threaded rod, it is easy to drive the clamping plate to fix and hold the object. By setting four clamping plates to fix and position the object from four directions, it can effectively improve the stability of the fixed clamping, prevent slippage during processing, and facilitate the improvement of processing accuracy and production quality.

[0004] During use, the device cannot bring all four clamping plates close to the object at the same time. Instead, it requires four unidirectional clamping operations. This can lead to errors in human operation, resulting in the object's axis being different each time, which in turn affects the positional accuracy of subsequent processing.

[0005] Therefore, a mold adaptive positioning mold base is needed. Utility Model Content

[0006] The purpose of this invention is to provide a mold adaptive positioning mold frame. By using this device, the problem of the axis of the object being different each time due to human operation error is solved, which affects the positional accuracy of subsequent processing.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a mold adaptive positioning mold frame, including a worktable, with a positioning component disposed above the worktable;

[0008] The positioning assembly includes a hollow cylinder with four straight grooves running through its upper surface. A driven disc is rotatably mounted on the inner wall of the hollow cylinder, and four arc-shaped grooves running through its interior. A drive mechanism is located inside the hollow cylinder and meshes with the driven disc. Four clamping members are located inside the hollow cylinder. The driven disc is rotated by the drive mechanism, so that the four clamping members can only move horizontally within the straight grooves to accommodate changes in the position of the arc-shaped grooves. This allows the four clamping members to simultaneously move closer to or further away from the object, ensuring that the object's axis is always the same and guaranteeing the positional accuracy of subsequent processing.

[0009] Preferably, the drive mechanism includes a servo motor fixedly connected to the cavity cylinder. A gear is fixedly installed at the output end of the servo motor. A gear groove is opened on the lower end face of the driven disk. The gear meshes with the gear groove. The servo motor drives the gear to rotate. Because the gear and the gear groove are meshed, the driven disk is driven to rotate.

[0010] Preferably, the clamping component includes a clamping rod, which is disposed inside the straight groove and the arc groove. Two limiting rings are fixedly installed on the outer wall of the clamping rod. One limiting ring is located at the upper end of the cavity cylinder, and the other limiting ring is located at the lower end of the driven plate. During the movement of the clamping rod, the limiting effect of the two limiting rings ensures that the four sets of clamping components are at the same horizontal height, thereby ensuring stable clamping and positioning of the object.

[0011] Preferably, a telescopic rod is fixedly installed on the outer wall of the clamping rod, a clamping plate is fixedly installed on one end of the telescopic rod, and a spring is sleeved on the outer side of the telescopic rod. One end of the spring is fixedly connected to the clamping rod, and the other end of the spring is fixedly connected to the clamping plate. During the movement of the clamping rod, the telescopic rod and the clamping plate will gradually approach the object until they make contact and clamp it. During the process, the clamping plate will exert a certain amount of pressure on the spring, forcing the spring to be compressed, forming an elastic clamping of the object, avoiding damage to the surface of the object caused by hard contact.

[0012] Preferably, a connecting block is fixedly installed on the outer wall of the cavity cylinder, a threaded sleeve is fixedly installed on one side of the connecting block, a bearing plate is fixedly installed on one side of the upper end of the worktable, a lead screw is rotatably installed on the inner side of the bearing plate, a handle is fixedly installed on the upper end of the lead screw, the threaded sleeve is sleeved on the outer side of the lead screw and threadedly connected, and the lead screw is rotated by rotating the handle, thereby adjusting the overall horizontal height of the positioning component, increasing the range of use and enhancing practicality.

[0013] Preferably, the end face of the bearing plate is symmetrically provided with a sliding groove, and a slider is symmetrically fixedly installed on one side of the connecting block. The slider is slidably connected to the sliding groove, and the slider slides synchronously in the sliding groove, which avoids the lead screw from bearing too much pressure, thereby effectively improving the service life.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] The present invention proposes a mold adaptive positioning mold frame, which drives the driven plate to rotate through a drive mechanism, so that the four sets of clamping parts can only move horizontally within the straight groove in order to cope with the change of the position of the arc groove. This allows the four sets of clamping parts to simultaneously move closer to or away from the object, thereby ensuring that the axis of the object is the same each time, thus guaranteeing the positional accuracy of subsequent processing. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the workbench structure of this utility model;

[0018] Figure 3 This is an exploded view of the positioning component structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the cavity cylinder and drive mechanism of this utility model;

[0020] Figure 5 This is a schematic diagram of the structural connecting block of this utility model.

[0021] In the diagram: 1. Workbench; 11. Bearing plate; 12. Lead screw; 13. Rotating handle; 14. Slide groove; 2. Positioning assembly; 21. Hollow cylinder; 211. Straight groove; 212. Driven plate; 213. Arc groove; 214. Gear groove; 22. Drive mechanism; 221. Servo motor; 222. Gear; 23. Connecting block; 231. Threaded sleeve; 232. Slider; 24. Clamping component; 241. Clamping rod; 242. Limiting ring; 243. Telescopic rod; 244. Clamping plate; 245. Spring. Detailed Implementation

[0022] 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.

[0023] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0024] Combination Figure 1 and Figure 3-4 An adaptive positioning mold frame includes a worktable 1, and a positioning component 2 is disposed above the worktable 1.

[0025] The positioning component 2 includes a hollow cylinder 21. Four sets of straight grooves 211 are formed through the upper end face of the hollow cylinder 21. A driven plate 212 is rotatably mounted on the inner wall of the hollow cylinder 21. Four sets of arc grooves 213 are formed through the interior of the driven plate 212. A drive mechanism 22 is provided on the inner side of the hollow cylinder 21. The drive mechanism 22 is engaged with the driven plate 212. Four sets of clamping members 24 are provided on the inner side of the hollow cylinder 21. The driven plate 212 is driven to rotate by the drive mechanism 22, so that the four sets of clamping members 24 can only move horizontally within the straight grooves 211 in order to cope with the change in the position of the arc grooves 213. This allows the four sets of clamping members 24 to simultaneously approach or move away from the object, thereby ensuring that the axis of the object is the same each time, thus ensuring the positional accuracy of subsequent processing.

[0026] Combination Figure 4 The drive mechanism 22 includes a servo motor 221 fixedly connected to the cavity cylinder 21. A gear 222 is fixedly installed at the output end of the servo motor 221. A gear groove 214 is opened on the lower end face of the driven disk 212. The gear 222 is meshed with the gear groove 214. The servo motor 221 drives the gear 222 to rotate. Because the gear 222 is meshed with the gear groove 214, the driven disk 212 is driven to rotate.

[0027] Combination Figure 3 The clamping member 24 includes a clamping rod 241, which is disposed inside the straight groove 211 and the arc groove 213. Two limiting rings 242 are fixedly installed on the outer wall of the clamping rod 241. One limiting ring 242 is located at the upper end of the cavity cylinder 21, and the other limiting ring 242 is located at the lower end of the driven plate 212. During the movement of the clamping rod 241, the limiting effect of the two limiting rings 242 ensures that the four sets of clamping members 24 are at the same horizontal height, thereby ensuring stable clamping and positioning of the object.

[0028] Combination Figure 3 A telescopic rod 243 is fixedly installed on the outer wall of the clamping rod 241. A clamping plate 244 is fixedly installed on one end of the telescopic rod 243. A spring 245 is sleeved on the outer side of the telescopic rod 243. One end of the spring 245 is fixedly connected to the clamping rod 241, and the other end of the spring 245 is fixedly connected to the clamping plate 244. During the movement of the clamping rod 241, the telescopic rod 243 and the clamping plate 244 will gradually approach the object until they make contact and clamp it. During the process, the clamping plate 244 will exert a certain amount of pressure on the spring 245, forcing the spring 245 to be compressed, forming an elastic clamping of the object, avoiding damage to the surface of the object caused by hard contact.

[0029] Combination Figure 2-3 and Figure 5A connecting block 23 is fixedly installed on the outer wall of the cavity cylinder 21. A threaded sleeve 231 is fixedly installed on one side of the connecting block 23. A bearing plate 11 is fixedly installed on one side of the upper end of the workbench 1. A lead screw 12 is rotatably installed on the inner side of the bearing plate 11. A handle 13 is fixedly installed on the upper end of the lead screw 12. The threaded sleeve 231 is sleeved on the outer side of the lead screw 12 and threadedly connected. By rotating the handle 13, the lead screw 12 is rotated, thereby adjusting the overall horizontal height of the positioning component 2, increasing the range of use and enhancing practicality.

[0030] Combination Figure 2 and Figure 5 The end face of the bearing plate 11 is symmetrically provided with a sliding groove 14, and a slider 232 is symmetrically fixedly installed on one side of the connecting block 23. The slider 232 is slidably connected to the sliding groove 14. By sliding the slider 232 synchronously in the sliding groove 14, the lead screw 12 is prevented from bearing too much pressure, thereby effectively improving its service life.

[0031] The specific working process and principle of this utility model are as follows: The driven disk 212 is driven to rotate by the drive mechanism 22, so that the four sets of clamping parts 24 can only move horizontally within the straight groove 211 in order to cope with the change in the position of the arc groove 213. This allows the four sets of clamping parts 24 to move closer to or further away from the object at the same time, thereby ensuring that the axis of the object is the same each time, thus ensuring the positional accuracy of subsequent processing.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mold adaptive positioning mold frame, comprising a worktable (1), wherein a positioning component (2) is disposed above the worktable (1). characterized in that The positioning component (2) includes a cavity cylinder (21), with four sets of straight grooves (211) extending through the upper end face of the cavity cylinder (21). A driven plate (212) is rotatably mounted on the inner wall of the cavity cylinder (21), with four sets of arc grooves (213) extending through the interior of the driven plate (212). A driving mechanism (22) is provided on the inner side of the cavity cylinder (21), and the driving mechanism (22) is meshed with the driven plate (212). Four sets of clamping members (24) are provided on the inner side of the cavity cylinder (21).

2. The mold self-adapting positioning mold base according to claim 1, wherein: The drive mechanism (22) includes a servo motor (221) fixedly connected to the cavity cylinder (21). A gear (222) is fixedly installed at the output end of the servo motor (221). A gear groove (214) is opened on the lower end face of the driven disk (212). The gear (222) meshes with the gear groove (214).

3. The mold self-adapting positioning mold base according to claim 1, wherein: The clamping member (24) includes a clamping rod (241), which is disposed through the inner side of the straight groove (211) and the arc groove (213). Two limiting rings (242) are fixedly installed on the outer wall of the clamping rod (241), one of which is located at the upper end of the cavity cylinder (21) and the other is located at the lower end of the driven plate (212).

4. The mold self-adapting positioning mold base according to claim 3, wherein: A telescopic rod (243) is fixedly installed on the outer wall of the clamping rod (241). A clamping plate (244) is fixedly installed on one end of the telescopic rod (243). A spring (245) is sleeved on the outer side of the telescopic rod (243). One end of the spring (245) is fixedly connected to the clamping rod (241), and the other end of the spring (245) is fixedly connected to the clamping plate (244).

5. The mold self-adapting positioning mold base according to claim 1, wherein: A connecting block (23) is fixedly installed on the outer wall of the cavity cylinder (21). A threaded sleeve (231) is fixedly installed on one side of the connecting block (23). A bearing plate (11) is fixedly installed on one side of the upper end of the workbench (1). A lead screw (12) is rotatably installed on the inner side of the bearing plate (11). A handle (13) is fixedly installed on the upper end of the lead screw (12). The threaded sleeve (231) is sleeved on the outer side of the lead screw (12) and threadedly connected.

6. The mold self-adapting positioning mold base according to claim 5, wherein: The end face of the bearing plate (11) is symmetrically provided with a sliding groove (14), and a slider (232) is symmetrically fixedly installed on one side of the connecting block (23). The slider (232) is slidably connected to the sliding groove (14).

Citation Information

Patent Citations

  • Self-adaptive clamping die frame of workpiece cutting die

    CN219026732U