Positioning jig for mold manufacturing

The mold positioning fixture, driven by hydraulic rods and with bolt adjustment components, enables automated multi-dimensional positioning and flexible height adjustment of the mold, solving the problems of low accuracy and poor adaptability of traditional positioning fixtures, thereby improving production efficiency and reducing costs.

CN224158114UActive Publication Date: 2026-04-24MIANYANG DONGXIAN PRECISION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MIANYANG DONGXIAN PRECISION TECHNOLOGY CO LTD
Filing Date
2025-05-30
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Traditional mold positioning fixtures have low adjustment accuracy and poor adaptability, making it difficult to meet the needs of high-precision and diversified mold production, resulting in low production efficiency and increased costs.

Method used

The positioning block and bolt adjustment assembly driven by hydraulic rods enable automated multi-dimensional positioning and flexible height adjustment of the mold. Combined with the coordinated movement of the rotating block and connecting rod, it achieves rapid and accurate positioning and clamping.

Benefits of technology

It improves the positioning accuracy and efficiency of positioning fixtures, adapts to different mold sizes and shapes, reduces the need for redesign and manufacturing, and saves time and costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of die processing, and discloses a positioning jig for die manufacturing, which comprises a base, a workbench is assembled at the top of the base, first positioning blocks are uniformly arranged in the middle of the workbench, and one end, far away from the workbench, of each first positioning block is slidably connected with a second positioning block. A height adjusting assembly is arranged between the first positioning block and the second positioning block, a driving assembly is arranged in the first positioning block, a rotating shaft is fixedly connected to the middle of the workbench, a rotating block is rotationally connected to the outer side of the rotating shaft, and a connecting rod is fixedly connected to the bottom side of the rotating block. The connecting rod is rotationally connected to the bottom side of the first positioning block. According to the positioning and clamping device, the hydraulic rod, the fixing block, the first positioning block, the rotating block, the rotating shaft, the connecting rod and other structures are matched, so that the mold is quickly and accurately positioned and clamped, and the positioning accuracy and the positioning efficiency of jig positioning are improved.
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Description

Technical Field

[0001] This utility model relates to the field of mold processing technology, and in particular to positioning fixtures for mold manufacturing. Background Technology

[0002] Mold manufacturing refers to the process of processing raw materials into molds for forming various products through various processes and technologies. It involves multiple stages such as mold design, parts processing, assembly and debugging, with the aim of ensuring that the mold can efficiently and accurately produce products that meet quality requirements.

[0003] In the parts processing stage, positioning fixtures are needed to position, clamp, or guide the mold during the mold manufacturing process to ensure the accuracy and efficiency of processing and assembly. The positioning fixture for mold processing consists of positioning elements, clamping devices, bases, and guiding systems. The working principle is to fix the workpiece by positioning elements to ensure the dimensional accuracy of each part of the mold, thereby ensuring processing accuracy and efficiency.

[0004] Traditional mold positioning fixtures mostly rely on manual adjustment. This method depends heavily on the operator's experience and skills. In practice, the lack of precise quantitative standards for manual adjustment leads to relatively low accuracy, making it difficult to meet the stringent high-precision requirements of mold manufacturing. Even minor dimensional deviations can render the mold unusable, affecting product quality and production schedule. Furthermore, the relatively fixed dimensions of traditional positioning fixtures result in poor adaptability. Mold manufacturing encompasses various specifications, shapes, and sizes, and fixed-size positioning fixtures cannot flexibly handle diverse mold types. When encountering molds of different sizes, it is often necessary to redesign and manufacture positioning fixtures, which not only consumes a lot of time and costs but also severely reduces production efficiency. Therefore, this paper proposes a positioning fixture for mold manufacturing to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a positioning fixture for mold manufacturing, which aims to improve the problem that the positioning fixture has low adjustment accuracy and poor adaptability in the prior art, which affects the processing accuracy of the mold.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A positioning fixture for mold manufacturing includes a base, a worktable mounted on the top of the base, positioning blocks 1 evenly distributed in the middle of the worktable, positioning blocks 2 slidably connected to the end of positioning blocks 1 away from the worktable, a height adjustment assembly between positioning blocks 1 and positioning blocks 2, a drive assembly inside positioning blocks 1, a rotating shaft fixedly connected to the middle of the worktable, a rotating block rotatably connected to the outer side of the rotating shaft, a connecting rod fixedly connected to the bottom side of the rotating block, the connecting rod rotatably connected to the bottom side of positioning blocks 1, an installation assembly on the outer side of the base, protrusions fixedly connected to both sides of positioning blocks 1, and a protective pad on the outer side of positioning blocks 2.

[0008] As a further description of the above technical solution:

[0009] The height adjustment assembly includes a second bolt, which is assembled between the first positioning block and the second positioning block. The second positioning block has a second bolt hole evenly distributed in the middle, and the first positioning block has a first bolt hole in the middle. The second bolt is threadedly connected to the middle of the first bolt hole.

[0010] As a further description of the above technical solution:

[0011] The drive assembly includes a hydraulic rod disposed between a pair of positioning blocks, and both ends of the hydraulic rod are fixedly connected to a fixing block.

[0012] As a further description of the above technical solution:

[0013] The mounting assembly includes a mounting block, which is fixedly connected to the outside of the base, and a bolt is fitted in the middle of the mounting block.

[0014] As a further description of the above technical solution:

[0015] The workbench has evenly spaced limit grooves in the middle, and the protrusion is slidably connected to the middle of the limit groove.

[0016] As a further description of the above technical solution:

[0017] Both the rotating block and the connecting rod are rotatably connected inside the base.

[0018] As a further description of the above technical solution:

[0019] A knob is fixedly connected to one end of the bolt two away from the positioning block one, and the bolt two is threadedly connected to the middle of the bolt hole two.

[0020] As a further description of the above technical solution:

[0021] The fixing block is fixedly connected to the bottom side of the positioning block one, and the positioning block one is slidably connected to the middle of the worktable.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, by activating the hydraulic rod, the fixed block pushes the positioning block one to slide in the middle of the worktable. At the same time, the rotating block rotates around the rotating shaft, driving the connecting rod to rotate, which assists the positioning block one in adjusting its position in multiple directions, thereby achieving rapid and accurate positioning and clamping of the mold. This automated and multi-dimensional positioning method, compared with the traditional manual adjustment, helps to improve the positioning accuracy and positioning efficiency of the fixture.

[0024] 2. In this utility model, the bolt two is rotated in bolt hole one and bolt hole two by the knob. By fixing the positioning block two, the height of the positioning block two relative to the positioning block one can be flexibly adjusted, which helps to adapt to molds of different heights and helps to solve the problem of poor adaptability of traditional positioning fixtures. There is no need to redesign and manufacture fixtures for different molds, saving time and costs. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the positioning fixture for mold manufacturing proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the drive assembly of the positioning fixture for mold manufacturing proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the height adjustment component of the positioning fixture for mold manufacturing proposed in this utility model.

[0028] Legend:

[0029] 1. Base; 2. Workbench; 3. Positioning Block 1; 4. Positioning Block 2; 5. Drive Assembly; 6. Hydraulic Rod; 7. Rotating Block; 8. Rotating Shaft; 9. Connecting Rod; 10. Protrusion; 11. Limiting Groove; 12. Height Adjustment Assembly; 13. Bolt 2; 14. Knob; 15. Bolt Hole 1; 16. Bolt Hole 2; 17. Protective Pad; 18. Mounting Assembly; 19. Mounting Block; 20. Bolt 1; 21. Fixing Block. Detailed Implementation

[0030] 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.

[0031] Reference Figure 1 and Figure 2 This utility model provides an embodiment of a positioning fixture for mold manufacturing, comprising a base 1, a worktable 2 mounted on the top of the base 1, positioning blocks 3 evenly distributed in the middle of the worktable 2, a second positioning block 4 slidably connected to the end of the first positioning block 3 away from the worktable 2, a height adjustment component 12 disposed between the first positioning block 3 and the second positioning block 4, a drive component 5 disposed inside the first positioning block 3, a rotating shaft 8 fixedly connected to the middle of the worktable 2, a rotating block 7 rotatably connected to the outer side of the rotating shaft 8, a connecting rod 9 fixedly connected to the bottom side of the rotating block 7, and the connecting rod 9 rotatably connected to the bottom side of the first positioning block 3, the outer side of the base 1... The side is provided with an installation component 18. Both sides of the positioning block 1 3 are fixedly connected with protrusions 10. The outer side of the positioning block 2 4 is provided with a protective pad 17. The drive component 5 includes a hydraulic rod 6. The hydraulic rod 6 is located between a pair of positioning blocks 1 3. Both ends of the hydraulic rod 6 are fixedly connected with fixing blocks 21. The fixing blocks 21 are fixedly connected to the bottom side of the positioning block 1 3. The positioning block 1 3 is slidably connected to the middle of the worktable 2. The rotating block 7 and the connecting rod 9 are rotatably connected inside the base 1.

[0032] Specifically, by activating the hydraulic rod 6, the hydraulic rod 6 pushes the fixed block 21 to move. The fixed block 21 causes the positioning block 3 to slide in the middle of the worktable 2. Through the cooperation of the protrusions 10 on both sides of the positioning block 3 and the limiting groove 11, the pair of positioning blocks 3 can move smoothly within the limiting groove 11, thereby accurately adjusting the position of the pair of positioning blocks 3. At the same time, the rotating block 7 starts to rotate around the rotating shaft 8, driving the connecting rod 9 to rotate synchronously, and then driving the other pair of positioning blocks 3 to rotate synchronously. The coordinated operation of multiple structures allows the positioning block 3 to be positioned to the required position of the mold from multiple directions, quickly and automatically completing the positioning and clamping of the mold by the positioning block 3 and the positioning block 4. This automated operation greatly shortens the positioning and clamping time and reduces manual operation steps. The setting of the protective pad 17 ensures the surface quality of the mold during the positioning and clamping process, reducing mold wear costs.

[0033] Reference Figure 1 and Figure 3 The height adjustment component 12 includes a second bolt 13, which is assembled between a first positioning block 3 and a second positioning block 4. The second positioning block 4 has a second bolt hole 16 evenly arranged in the middle, and the first positioning block 3 has a first bolt hole 15 arranged in the middle. The second bolt 13 is threadedly connected to the middle of the first bolt hole 15. A knob 14 is fixedly connected to the end of the second bolt 13 away from the first positioning block 3. The second bolt 13 is threadedly connected to the middle of the second bolt hole 16.

[0034] Specifically, by rotating knob 14, bolt 13 is rotated, causing bolt 13 to rotate threadedly in bolt hole 15 and bolt hole 16. When bolt 13 gradually rotates out of bolt hole 16, the limiting effect of bolt 13 on positioning block 4 disappears. Positioning block 4 is no longer axially constrained by bolt 13 and can move freely up and down in the vertical direction. This allows for flexible changes in the height of positioning block 4 relative to positioning block 3, which helps the positioning fixture to cope with molds of various heights. It is easy to operate and adjust, and helps to improve work efficiency.

[0035] Reference Figure 1 The mounting assembly 18 includes a mounting block 19, which is fixedly connected to the outside of the base 1, and a bolt 20 is fitted in the middle of the mounting block 19.

[0036] Specifically, by firmly fixing the mounting block 19 to the outside of the base 1 to ensure bottom stability, by inserting the bolt 20 into the corresponding screw hole of the mounting block 19, placing the positioning fixture in the working position, and tightening the bolt 20 to make the positioning fixture fit tightly against the working plane, the positioning fixture is stably installed and fixed in the required working position, providing a stable foundation for positioning and clamping operations in the mold processing process and ensuring processing accuracy.

[0037] Working principle: First, the positioning fixture is installed and fixed in the required working position by using mounting block 19 and bolt 20. Then, for molds of different sizes, adjustments are made. If the height of positioning block 3 and positioning block 4 needs to be adjusted, the knob 14 can be turned to drive bolt 13 to rotate in bolt hole 15 and bolt hole 16. When bolt 13 rotates out of bolt hole 16, it loses its limit on positioning block 4, allowing positioning block 4 to move up and down, thereby changing the height of positioning block 4 relative to positioning block 3 to adapt to different height requirements of the mold.

[0038] The operator places the mold in the center of the workbench 2 and activates the hydraulic rod 6. The fixing blocks 21 at both ends of the hydraulic rod 6 push the positioning block 3 to slide in the middle of the workbench 2, causing a pair of positioning blocks 3 to move in the limiting groove 11 in the middle of the workbench 2, thereby adjusting the position of the pair of positioning blocks 3. At the same time, the rotating block 7 rotates around the rotating shaft 8, causing the connecting rod 9 to rotate, which in turn causes another pair of positioning blocks 3 to rotate synchronously, so that the positioning blocks 3 can be positioned in multiple directions to the required position of the mold. The positioning blocks 3 and positioning blocks 4 quickly and automatically complete the positioning and clamping of the mold. The protective pad 17 can prevent damage to the mold surface.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A positioning fixture for mold manufacturing, comprising a base (1), characterized in that: The base (1) is equipped with a workbench (2) on its top. A positioning block 1 (3) is evenly arranged in the middle of the workbench (2). A positioning block 2 (4) is slidably connected to the end of the positioning block 1 (3) away from the workbench (2). A height adjustment component (12) is provided between the positioning block 1 (3) and the positioning block 2 (4). A drive component (5) is provided inside the positioning block 1 (3). A rotating shaft (8) is fixedly connected in the middle of the workbench (2). A rotating block (7) is rotatably connected to the outside of the rotating shaft (8). A connecting rod (9) is fixedly connected to the bottom side of the rotating block (7). The connecting rod (9) is rotatably connected to the bottom side of the positioning block 1 (3). An installation component (18) is provided on the outside of the base (1). A protrusion (10) is fixedly connected to both sides of the positioning block 1 (3). A protective pad (17) is provided on the outside of the positioning block 2 (4).

2. The positioning fixture for mold manufacturing according to claim 1, characterized in that: The height adjustment component (12) includes a second bolt (13), which is assembled between the first positioning block (3) and the second positioning block (4). The second positioning block (4) has a second bolt hole (16) evenly arranged in the middle, and the first positioning block (3) has a first bolt hole (15) arranged in the middle. The second bolt (13) is threadedly connected to the middle of the first bolt hole (15).

3. The positioning fixture for mold manufacturing according to claim 1, characterized in that: The drive assembly (5) includes a hydraulic rod (6) which is disposed between a pair of positioning blocks (3) and both ends of the hydraulic rod (6) are fixedly connected to fixing blocks (21).

4. The positioning fixture for mold manufacturing according to claim 1, characterized in that: The mounting assembly (18) includes a mounting block (19) which is fixedly connected to the outside of the base (1), and a bolt (20) is fitted in the middle of the mounting block (19).

5. The positioning fixture for mold manufacturing according to claim 1, characterized in that: The workbench (2) has a limit groove (11) evenly provided in the middle, and the protrusion (10) is slidably connected in the middle of the limit groove (11).

6. The positioning fixture for mold manufacturing according to claim 1, characterized in that: Both the rotating block (7) and the connecting rod (9) are rotatably connected inside the base (1).

7. The positioning fixture for mold manufacturing according to claim 2, characterized in that: A knob (14) is fixedly connected to one end of the bolt two (13) away from the positioning block one (3), and the bolt two (13) is threadedly connected to the middle of the bolt hole two (16).

8. The positioning fixture for mold manufacturing according to claim 3, characterized in that: The fixing block (21) is fixedly connected to the bottom side of the positioning block (3), and the positioning block (3) is slidably connected to the middle part of the workbench (2).