Positioning device for precise mold manufacturing

Abstract

The utility model relates to the technical field of mold positioning, in particular to a positioning device for manufacturing a precision mold, which comprises a processing table and a driving mechanism which enables a clamping mechanism to clamp a mold in the middle, the driving mechanism comprises a first motor, a two-way threaded rod fixedly connected with a rotating shaft of the first motor, a moving unit installed on the two-way threaded rod in a threaded mode and a telescopic rod installed on the moving unit in a sliding mode, supporting plates are fixedly installed at the two ends of the telescopic rod, and the supporting plates are fixedly installed on the rotating base. When the clamping plate and the clamping block make contact with the two ends of the die, the connecting rod drives the moving ring to rotate, the moving ring drives the telescopic rod to deflect, meanwhile, the telescopic rod shrinks, the clamping plate and the clamping block make contact with the two sides of the die, the die is fixed to the center of the machining table, time needed for tool setting is shortened, and machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold positioning, in particular to a positioning device for precision mold manufacturing. Background Art

[0002] The requirements for mold design and production are: precise size and smooth surface; reasonable structure, high production efficiency and easy automation; easy manufacturing, long life and low cost; design that meets process requirements and is economical and reasonable. The mold structure design and parameter selection must consider factors such as rigidity, guidance, unloading mechanism, positioning method, gap size, etc.

[0003] Existing technology, such as the utility model disclosed in patent publication number CN221583351U, discloses a positioning device for precision mold manufacturing, including a lifting platform and a motor, wherein the lifting platform is provided with a cylinder, the output end of the cylinder is fixedly connected to a connecting block, the connecting block is fixedly connected to a fixed plate, two fixed blocks are symmetrically provided on the fixed plate, both of the fixed blocks are fixedly connected to a guide column, and a clamping plate 1 is provided on the adjacent side of the two fixed blocks, the clamping plate 1 is slidably connected to the guide column, and the clamping plate 1 is fixedly connected to two clamping blocks 1. In the utility model, the fixed plate is controlled by the cylinder to slide along the guide rail, so that the clamping plate 1 on the fixed plate cooperates with the clamping plate 2 on the lifting platform to fix the mold, thereby providing a positioning device for precision mold manufacturing. The clamping plate 1 can slide laterally along the guide column according to the shape of the mold to find the best clamping position, and is suitable for molds of different shapes, bringing convenience to production work.

[0004] After replacing the mold, the tool needs to be re-calibrated to determine the initial position of the drill bit. The existing tool setting operation takes a certain amount of time, affecting the processing efficiency.

[0005] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of the utility model is to provide a positioning device for precision mold manufacturing that can effectively solve the above technical problems.

[0007] In order to achieve the purpose of the utility model, the following technical solution is adopted: A positioning device for precision mold manufacturing, comprising: a processing table, a driving mechanism that enables a clamping mechanism to clamp the mold in the center;

[0008] The driving mechanism includes: a first motor, a bidirectional threaded rod fixedly connected to the rotating shaft of the first motor, a moving unit threadedly mounted on the bidirectional threaded rod, a telescopic rod slidably mounted on the moving unit, support plates fixedly mounted at both ends of the telescopic rod, and the support plates fixedly mounted on the rotating seat.

[0009] Furthermore, a tool setting groove is provided at the center of the processing table.

[0010] Furthermore, the moving unit includes: a moving block threadedly mounted on a bidirectional threaded rod, a connecting rod rotatably mounted on the top of the moving block, and a moving ring fixedly mounted on the top of the connecting rod.

[0011] Furthermore, the telescopic rod includes: an outer rod, an inner rod slidably installed in the outer rod, and a movable ring is slidably installed on the outer rod.

[0012] Compared with the prior art, the present invention has the following beneficial effects: the present invention provides a positioning device for precision mold manufacturing, which calibrates the position of the drill bit by aligning the tool groove, places the mold on the processing table, starts the first motor, and the rotating shaft of the first motor drives the bidirectional threaded rod to rotate, and the moving blocks approach each other and drive the moving ring to move through the connecting rod, the moving ring drives the telescopic rod to move, the telescopic rod drives the support plates and the rotating seat at both ends to move, the rotating seat drives the mounting block to move on the first guide rod, and the mounting block drives the clamping plate and the clamping block to move. When the clamping plate and the clamping block contact the two ends of the mold, the connecting rod drives the moving ring to rotate, the moving ring drives the telescopic rod to deflect, and at the same time the telescopic rod contracts, so that the clamping plate and the clamping block contact both sides of the mold, and the mold is fixed in the center on the processing table, reducing the time required for tool alignment and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0014] Figure 1 The utility model is a schematic structural diagram of a positioning device for precision mold manufacturing, viewed from above, for a processing table.

[0015] Figure 2 This is a schematic structural diagram of a positioning device for precision mold manufacturing according to the present invention, viewed from above, showing a processing table.

[0016] Figure 3 This is a schematic diagram of the internal structure of a processing table of a positioning device for precision mold manufacturing according to the present invention.

[0017] Figure 4 The utility model is a structural schematic diagram of a moving unit in a positioning device for precision mold manufacturing.

[0018] Figure 5 The figure is a structural schematic diagram of a positioning device for precision mold manufacturing according to the present invention.

[0019] Figure 6The utility model is a partial structural diagram of the adjustment mechanism of a positioning device for precision mold manufacturing.

[0020] Figure 7 The utility model is a structural schematic diagram of a movable frame in a positioning device for precision mold manufacturing.

[0021] In the figure: 1. processing table; 2. fixing groove; 3. first guide rod; 4. clamping plate; 5. clamping block; 6. tool groove; 7. mounting block; 8. groove; 9. bidirectional threaded rod; 10. moving block; 11. first motor; 12. rotating seat; 13. support plate; 14. telescopic rod; 15. moving ring; 16. connecting rod; 17. bracket; 18. first threaded rod; 19. second motor; 20. second guide rod; 21. moving frame; 22. second threaded rod; 23. third motor; 24. driving gear; 25. driven gear; 26. moving frame; 27. cylinder; 28. support rod; 29. limit rod; 30. mounting plate; 31. fourth motor; 32. three-jaw chuck; 33. drill bit; 34. base. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the embodiments described are some embodiments of the present invention, not all embodiments.

[0023] In the description of the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. When a mechanism is referred to as being "fixed to" another mechanism, it may be directly on the other mechanism or there may also be a centered mechanism. When a mechanism is considered to be "connected to" another mechanism, it may be directly connected to the other mechanism or there may be a centered mechanism at the same time. When a mechanism is considered to be "set on" another mechanism, it may be directly set on the other mechanism or there may be a centered mechanism at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] like Figures 1 to 7As shown, the utility model is a positioning device for precision mold manufacturing, comprising: a base 34, on which a processing table 1 and a bracket 17 are fixedly mounted, the center position of the processing table 1 is provided with a tool groove 6, a clamping mechanism for fixing the mold, a driving mechanism for enabling the clamping mechanism to clamp the mold in the center, and an adjusting mechanism for adjusting the processing position.

[0025] By setting the tool, an xyz coordinate system is established on the mold, and the tool setting in the x and y directions is quickly completed through the tool setting groove 6. After the position is determined, there is no need to set the tool again after changing the mold. After the mold is centered by the clamping mechanism, the z direction tool setting is carried out, which reduces the time required for tool setting.

[0026] The adjusting mechanism includes: a first threaded rod 18 and a second guide rod 20 symmetrically mounted on the bracket 17, the first threaded rod 18 being rotatably mounted on the bracket 17, the second guide rod 20 being fixedly mounted on the bracket 17, the first threaded rod 18 being fixedly connected to the rotating shaft of the second motor 19, a moving frame 21 being threadedly mounted on the first threaded rod 18, the other end of the moving frame 21 being slidably mounted on the second guide rod 20, the first threaded rod 18 being driven to rotate by the rotating shaft of the second motor 19, so that the moving frame 21 moves along the second guide rod 20, a second threaded rod 22 being rotatably mounted in the moving frame 21, one end of the second threaded rod 22 being fixedly mounted with a driven gear 25, the driven gear 25 being meshed with a driving gear 24, the driving gear 24 being fixedly mounted on the rotating shaft of the third motor 23, the driving gear 24 being driven to rotate by the rotating shaft of the third motor 23, and the driving gear 24 driving the driven gear 25 The movable frame 21 is fixedly mounted with a cylinder 27 on the movable frame 26 , and the piston rod of the cylinder 27 is fixedly connected to the mounting plate 30 . One end of the mounting plate 30 is fixedly connected to the support rod 28 , and the other end of the support rod 28 is slidably mounted on the limit rod 29 in the movable frame 26 . The limit rod 29 is vertically fixed in the slide groove on the movable frame 26 . The fourth motor 31 is fixedly mounted on the mounting plate 30 , and a three-jaw chuck 32 is fixedly mounted on the rotating shaft of the fourth motor 31 . The drill bit 33 is fixedly mounted by the three-jaw chuck 32 . The cylinder 27 is operated to make the piston rod of the cylinder 27 slide out, push the mounting plate 30 and drive the drill bit 33 to descend, and improve the stability of the mounting plate 30 through the support rod 28 , thereby improving the mold processing accuracy.

[0027] The x-direction movement of the drill bit 33 is controlled by the second motor 19 and the first threaded rod 18 , the y-direction movement of the drill bit 33 is controlled by the third motor 23 and the second threaded rod 22 , and the z-direction movement of the drill bit 33 is controlled by the cylinder 27 .

[0028] The clamping mechanism includes: a fixing groove 2, the fixing groove 2 is circumferentially arranged on the top of the processing table 1, a first guide rod 3 is fixedly installed in the fixing groove 2, a mounting block 7 is slidably installed on the first guide rod 3, a clamping plate 4 is fixedly installed on the top of the mounting block 7, and a clamping block 5 is symmetrically fixedly installed on the clamping surface of the clamping plate 4.

[0029] The driving mechanism includes: a groove 8, which is arranged at the top of the inner wall of the processing table 1, and the fixed grooves 2 are symmetrically distributed on both sides of the groove 8. A bidirectional threaded rod 9 is rotatably installed in the groove 8, and the bidirectional threaded rod 9 is fixedly connected to the rotating shaft of the first motor 11. The rotating shaft of the first motor 11 drives the bidirectional threaded rod 9 to rotate. A moving unit is threadedly installed on the bidirectional threaded rod 9. When the bidirectional threaded rod 9 rotates forward, the two moving units approach each other. When the bidirectional threaded rod 9 rotates reversely, the two moving units move away from each other. The moving unit includes a moving block 10 threadedly installed on the bidirectional threaded rod 9, a moving block 10 rotatably installed on the moving block 10, and a moving block 10 rotatably installed on the moving block 10. The connecting rod 16 at the top of the block 10 and the moving ring 15 fixedly mounted on the top of the connecting rod 16, the moving ring 15 is slidably mounted on the telescopic rod 14, and the telescopic rod 14 is driven to move or deflect by the moving ring 15, the telescopic rod 14 includes an outer rod and an inner rod slidably mounted in the outer rod, and the moving ring 15 is slidably mounted on the outer rod, the outer rod and the inner rod are respectively fixedly connected to the two support plates 13, and the moving directions of the two support plates 13 are perpendicular to each other. During the clamping process, the telescopic rod 14 contracts, and the support plate 13 is fixedly mounted on the rotating seat 12, and the rotating seat 12 is rotatably mounted on the bottom of the mounting block 7.

[0030] When the clamping plates 4 and the clamping blocks 5 located in symmetrical positions contact the two ends of the mold, the connecting rod 16 drives the movable ring 15 to rotate, and the movable ring 15 drives the telescopic rod 14 to deflect. At the same time, the telescopic rod 14 contracts, so that the other two symmetrical clamping plates 4 and the clamping blocks 5 contact the two sides of the mold, and the mold is fixed in the center on the processing table 1.

[0031] Working principle: The drill bit 33 can be quickly aligned with the tool groove 6, the mold is placed on the processing table 1, and the first motor 11 is started. The rotating shaft of the first motor 11 drives the bidirectional threaded rod 9 to rotate, and the moving blocks 10 approach each other and drive the moving ring 15 to move through the connecting rod 16. The moving ring 15 drives the telescopic rod 14 to move, and the telescopic rod 14 drives the supporting plates 13 and the rotating seat 12 at both ends to move. The rotating seat 12 drives the mounting block 7 to move on the first guide rod 3, and the mounting block 7 drives the clamping plate 4 and the clamping block 5 to move. When the clamping plates 4 and the clamping block 5 in the symmetrical positions contact the two ends of the mold, the connecting rod 16 drives the moving ring 15 to rotate, and the moving ring 15 drives the telescopic rod 14 to deflect. At the same time, the telescopic rod 14 contracts, so that the other two symmetrical clamping plates 4 and the clamping block 5 contact the two sides of the mold, and the mold is fixed in the center on the processing table 1. The mold is fixed in the center on the processing table 1, which reduces the time required for tool alignment and improves processing efficiency.

[0032] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0033] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all such improvements and changes should fall within the scope of protection of the claims attached to this utility model.

Claims

1. A positioning device for precision mold manufacturing, characterized in that: include: A processing table (1), a driving mechanism that enables the clamping mechanism to clamp the mold in the center; The driving mechanism comprises: a first motor (11), a bidirectional threaded rod (9) fixedly connected to a rotating shaft of the first motor (11), a moving unit threadedly mounted on the bidirectional threaded rod (9), and a telescopic rod (14) slidably mounted on the moving unit, wherein support plates (13) are fixedly mounted at both ends of the telescopic rod (14), and the support plates (13) are fixedly mounted on a rotating seat (12).

2. A positioning device for precision mold manufacturing according to claim 1, characterized in that: A tool setting groove (6) is provided at the center of the processing table (1).

3. A positioning device for precision mold manufacturing according to claim 1, characterized in that: The moving unit comprises: a moving block (10) threadedly mounted on a bidirectional threaded rod (9), a connecting rod (16) rotatably mounted on the top of the moving block (10), and a moving ring (15) fixedly mounted on the top of the connecting rod (16).

4. A positioning device for precision mold manufacturing according to claim 3, characterized in that: The telescopic rod (14) comprises an outer rod and an inner rod slidably mounted in the outer rod, and a moving ring (15) is slidably mounted on the outer rod.

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