Die fixing device with center positioning assembly

By designing the mold fixing device with longitudinal and transverse clamping drive structures, and using adaptive clamping heads and servo motor drives, the positioning and adaptability problems of traditional mold fixing devices under the requirements of high accuracy and stability are solved, and the high-precision center positioning and stable clamping of the mold is achieved.

CN223223215UActive Publication Date: 2025-08-15SHANGHAI SHANGAN PRECISE MOULD CO LTD
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Patent Information

Application Number
CN202422330268.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-15
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Traditional mold fixtures are difficult to meet the needs of frequent mold replacement or precise positioning in applications with high precision and high stability requirements.

Method used

The mold fixing device is designed that includes longitudinal and transverse clamping drive structures, and adopts adaptive clamping head and servo motor drive to achieve central positioning and edge fitting of the mold, and clamping is achieved through wire rope winding.

Benefits of technology

It realizes high-precision center positioning and stable clamping of the mold, adapts to molds with different shapes, reduces clamping interference, and improves the scope of application and stability of mold fixing devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of die machining, in particular to a die fixing device with a center positioning assembly. The device comprises a fixing table, a transverse clamping driving structure and a longitudinal clamping driving structure are arranged in the fixing table, a plurality of sets of self-adaptive clamping heads are installed on the transverse clamping driving structure and the longitudinal clamping driving structure respectively, and the self-adaptive clamping heads are all located above the fixing table; according to the device, a longitudinal clamping driving structure and a transverse clamping driving structure are designed and clamp a mold towards the center from the front and back direction and the acting direction correspondingly, so that center positioning is achieved, the two structures operate independently, and mutual interference is avoided; according to the device, the self-adaptive clamping head is designed, and the rotatable clamping plate is used, so that the device can be automatically attached to the edge of the mold when the molds in different shapes are fixed, and the application range is wide.
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Description

Technical Field

[0001] The utility model relates to the technical field of mold processing, in particular to a mold fixing device with a center positioning component. Background Art

[0002] In industrial production and manufacturing, mold fixtures are critical equipment for ensuring mold production accuracy and stability. Traditional mold fixture systems typically use simple clamping devices to secure the mold, but these systems have certain shortcomings in applications requiring high precision and high stability. This is especially true in scenarios where molds are frequently changed or precise positioning is required, as traditional fixtures often fail to meet these requirements. Utility Model Content

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and to provide a mold fixing device with a center positioning component that is rationally designed and can solve the above-mentioned defects.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it includes a fixed platform, in which a transverse clamping drive structure and a longitudinal clamping drive structure are arranged, and arrays of adaptive clamping heads are respectively installed on the transverse clamping drive structure and the longitudinal clamping drive structure, and the adaptive clamping heads are all located above the fixed platform.

[0005] Preferably, the longitudinal clamping drive structure includes an upper shaft groove opened at the upper position of the fixed platform along the left and right directions, an upper winding shaft is rotatably installed in the upper shaft groove, an upper clamping motor is installed on the front side of the fixed platform, an upper reducer is provided at the upper clamping motor in the fixed platform, the rotating shaft of the upper clamping motor is connected to the input end of the upper reducer, the output end of the upper reducer is connected to the upper winding shaft, and several upper reducers are symmetrically opened on both sides of the upper winding shaft in the fixed platform. The upper sliding grooves are provided with several upper guide rails in each upper sliding groove, and upper driving sliders are slidably installed on the several upper guide rails. Several upper transmission grooves connected to the upper sliding grooves are respectively opened on both sides of the upper rotating shaft groove. An upper clamping steel wire rope is passed through the upper transmission groove, one end of the upper clamping steel wire rope is connected to the upper driving slider, and the other end of the upper clamping steel wire rope is connected to the upper winding shaft. An adaptive clamping head is installed on the inner side of the top of the upper driving slider.

[0006] Preferably, the adaptive clamping head includes a rotating seat connected to the front side of the top end of the upper driving slider, the front end of the rotating seat is connected to a clamping plate, the front side of the clamping plate is provided with an anti-slip coating, and buffer pads are respectively provided at both ends between the clamping plate and the upper driving slider.

[0007] Preferably, the transverse clamping drive structure includes a lower shaft groove opened at the bottom position of the fixed platform along the front-back direction, a lower winding shaft is rotatably installed in the lower shaft groove, a lower clamping motor is installed on the front side of the fixed platform, a lower reducer is provided at the lower clamping motor in the fixed platform, the rotating shaft of the lower clamping motor is connected to the input end of the lower reducer, the output end of the lower reducer is connected to the lower winding shaft, and a plurality of lower reducers are symmetrically opened on both sides of the lower winding shaft in the fixed platform. The lower sliding groove is provided with several lower guide rails, and the lower driving sliders are slidably installed on the several lower guide rails. Several lower transmission grooves connected to the lower sliding grooves are respectively opened on both sides of the lower rotating shaft groove. A lower clamping steel wire rope is passed through the lower transmission groove. One end of the lower clamping steel wire rope is connected to the lower driving slider, and the other end of the lower clamping steel wire rope is connected to the lower winding shaft. An adaptive clamping head is installed on the inner side of the top of the lower driving slider.

[0008] Preferably, the upper layer clamping motor and the lower layer clamping motor are both servo motors.

[0009] After adopting the above structure, the beneficial effects of the utility model are:

[0010] This device is designed with a longitudinal clamping drive structure and a transverse clamping drive structure, which clamp the mold toward the center from the front and back and the action direction respectively, thereby achieving center positioning. The two structures operate independently to avoid mutual interference.

[0011] This device is designed with an adaptive clamping head and uses a rotatable clamping plate, so that it can automatically keep in contact with the edge of the mold when fixing molds of different shapes, and has a wide range of applications.

[0012] The device uses a motor to drive a rotating shaft to reel in the wire rope to achieve clamping, and uses a reducer, so the clamping torque is large, the structure is simple and the adaptability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a front-to-back cross-sectional view of the utility model located at the lower winding shaft;

[0015] Figure 3 This is a front-to-back cross-sectional view of the utility model located at the upper sliding groove;

[0016] Figure 4 This is a left-right sectional view of the utility model at the upper winding shaft;

[0017] Figure 5 This is a left-right sectional view of the utility model at the lower sliding groove;

[0018] Figure 6 This is a schematic diagram of the rear side of the internal structure connection method of the utility model;

[0019] Figure 7 It is a schematic diagram on the right side of the internal structure connection method of the utility model.

[0020] Description of reference numerals:

[0021] 1. Fixed table; 2. Upper clamping motor; 3. Upper speed reducer; 4. Upper rotating shaft groove; 5. Upper winding shaft; 6. Upper clamping wire rope; 7. Upper sliding groove; 8. Upper guide rail; 9. Upper driving slider; 10. Upper transmission groove; 11. Lower clamping motor; 12. Lower speed reducer; 13. Lower winding shaft; 14. Lower rotating shaft groove; 15. Lower transmission groove; 16. Lower clamping wire rope; 17. Lower sliding groove; 18. Lower guide rail; 19. Lower driving slider; 20. Rotating seat; 21. Clamping plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See Figure 1-Figure 5 As shown, it includes a fixed table 1, in which a transverse clamping drive structure and a longitudinal clamping drive structure are provided. Arrays of adaptive clamping heads are respectively installed on the transverse clamping drive structure and the longitudinal clamping drive structure, and the adaptive clamping heads are all located above the fixed table 1.

[0024] See Figure 1-Figure 7As shown, the longitudinal clamping drive structure includes an upper shaft groove 4 opened in the upper position of the fixed platform 1 along the left and right directions, an upper winding shaft 5 is rotatably installed in the upper shaft groove 4, an upper clamping motor 2 is installed on the front side of the fixed platform 1, an upper reducer 3 is provided at the upper clamping motor 2 in the fixed platform 1, the rotating shaft of the upper clamping motor 2 is connected to the input end of the upper reducer 3, and the output end of the upper reducer 3 is connected to the upper winding shaft 5, and a plurality of upper sliding blocks are symmetrically opened on both sides of the upper winding shaft 5 in the fixed platform 1. The upper sliding groove 7 is provided with several upper guide rails 8, and the upper driving slider 9 is slidably installed on the upper guide rails 8. The upper rotating shaft groove 4 has several upper transmission grooves 10 on both sides thereof which are respectively connected to the upper sliding groove 7. The upper transmission groove 10 is provided with an upper clamping wire rope 6, and one end of the upper clamping wire rope 6 is connected to the upper driving slider 9, and the other end of the upper clamping wire rope 6 is connected to the upper winding shaft 5. An adaptive clamping head is installed on the inner side of the top end of the upper driving slider 9.

[0025] As an optimization solution of the present invention, an upper clamping motor 2 is provided, which drives the upper winding shaft 5 to rotate after being decelerated by the upper reducer 3, and then the upper winding shaft 5 is used to synchronously reel in several upper clamping steel ropes 6, thereby pulling several upper driving sliders 9, so that the upper driving sliders 9 slide inward along the upper guide rail 8, thereby realizing multiple adaptive clamping heads clamping from the front and back directions toward the center.

[0026] See Figure 1-Figure 3 As shown, the adaptive clamping head includes a rotating seat 20 connected to the front side of the top end of the upper driving slider 9, the front end of the rotating seat 20 is connected to a clamping plate 21, the front side of the clamping plate 21 is provided with an anti-slip coating, and buffer pads are respectively provided at both ends between the clamping plate 21 and the upper driving slider 9.

[0027] As an optimization solution of the present invention, a rotating seat 20 is provided so that the clamping plate 21 can be rotated left and right, so that it can be used for molds with different edges, and the buffer pad can prevent the rear side of the clamping plate 21 from being damaged by excessive rotation.

[0028] See Figure 1-Figure 7As shown, the transverse clamping drive structure includes a lower shaft groove 14 opened at the bottom position of the fixed platform 1 along the front-back direction, and a lower winding shaft 13 is rotatably installed in the lower shaft groove 14. A lower clamping motor 11 is installed on the front side of the fixed platform 1. A lower reducer 12 is provided at the lower clamping motor 11 in the fixed platform 1. The shaft of the lower clamping motor 11 is connected to the input end of the lower reducer 12, and the output end of the lower reducer 12 is connected to the lower winding shaft 13. Several lower sliding shafts are symmetrically opened on both sides of the lower winding shaft 13 in the fixed platform 1. Groove 17, each lower sliding groove 17 is installed with several lower guide rails 18, and several lower driving sliders 19 are slidably installed on the lower guide rails 18. Several lower transmission grooves 15 connected to the lower sliding groove 17 are respectively opened on both sides of the lower rotating shaft groove 14. A lower clamping wire rope 16 is passed through the lower transmission groove 15, one end of the lower clamping wire rope 16 is connected to the lower driving slider 19, and the other end of the lower clamping wire rope 16 is connected to the lower winding shaft 13. An adaptive clamping head is installed on the inner side of the top of the lower driving slider 19.

[0029] As an optimization solution of the present invention, a lower layer clamping motor 11 is provided, which drives the lower layer winding shaft 13 to rotate after being decelerated by the lower layer reducer 12, and then the lower layer winding shaft 13 is used to synchronously reel in several lower layer clamping steel ropes 16, thereby pulling several lower layer driving sliders 19, so that the lower layer driving sliders 19 slide inward along the lower layer guide rail 18, thereby realizing multiple adaptive clamping heads clamping from the left and right directions toward the center.

[0030] See Figure 1 As shown, the upper clamping motor 2 and the lower clamping motor 11 are both servo motors.

[0031] As an optimization solution of the present invention, the use of a servo motor can ensure that the torque during clamping is sufficient and the precision is high. On the other hand, the servo motor has a self-locking feature and can automatically lock the position after clamping to ensure the stability of the mold.

[0032] The use process of this utility model:

[0033] First, drive the upper clamping motor 2 and the lower clamping motor 11 to start reverse rotation, and manually pull out several adaptive clamping heads, then place the mold on the fixed table 1, and start the upper clamping motor 2 and the lower clamping motor 11 to rotate forward, and then the longitudinal clamping drive structure and the transverse clamping drive structure operate independently, driving the adaptive clamping heads to clamp toward the middle from the front and back and left and right directions, and push the mold to the center position of the fixed table 1. Since the longitudinal clamping drive structure and the transverse clamping drive structure are respectively installed in the upper and lower positions of the fixed table 1, there will be no mutual interference between the two structures, thereby ensuring the operation of the clamping operation; during the clamping process, the clamping plate 21 can automatically rotate and adjust the angle to keep in contact with the edge of the mold, thereby ensuring uniform force at the clamping position.

[0034] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents of such scope and metes and bounds.

Claims

1. A mold fixing device with a center positioning assembly, comprising a fixing table (1), characterized in that: A transverse clamping drive structure and a longitudinal clamping drive structure are provided in the fixed platform (1), and arrays of adaptive clamping heads are respectively installed on the transverse clamping drive structure and the longitudinal clamping drive structure, and the adaptive clamping heads are all located above the fixed platform (1).

2. A mold fixing device with a center positioning assembly according to claim 1, characterized in that: The longitudinal clamping drive structure comprises an upper rotating shaft groove (4) opened in the upper position of the fixed platform (1) along the left-right direction, an upper winding shaft (5) is rotatably installed in the upper rotating shaft groove (4), an upper clamping motor (2) is installed on the front side of the fixed platform (1), an upper reducer (3) is provided at the upper clamping motor (2) in the fixed platform (1), the rotating shaft of the upper clamping motor (2) is connected to the input end of the upper reducer (3), the output end of the upper reducer (3) is connected to the upper winding shaft (5), and a plurality of upper sliding shafts are symmetrically opened at both sides of the upper winding shaft (5) in the fixed platform (1). Groove (7), each upper sliding groove (7) is equipped with several upper guide rails (8), and upper driving sliders (9) are slidably installed on the several upper guide rails (8). Both sides of the upper rotating shaft groove (4) are respectively provided with several upper transmission grooves (10) connected to the upper sliding groove (7). An upper clamping steel wire rope (6) is passed through the upper transmission groove (10), one end of the upper clamping steel wire rope (6) is connected to the upper driving slider (9), and the other end of the upper clamping steel wire rope (6) is connected to the upper winding shaft (5). An adaptive clamping head is installed on the inner side of the top end of the upper driving slider (9).

3. A mold fixing device with a center positioning assembly according to claim 2, characterized in that: The adaptive clamping head includes a rotating seat (20) connected to the front side of the top end of the upper driving slider (9), the front end of the rotating seat (20) is connected to a clamping plate (21), the front side of the clamping plate (21) is provided with an anti-slip coating, and buffer pads are respectively provided at both ends between the clamping plate (21) and the upper driving slider (9).

4. A mold fixing device with a center positioning assembly according to claim 3, characterized in that: The transverse clamping drive structure includes a lower rotating shaft groove (14) opened at the bottom position of the fixed platform (1) along the front-back direction, a lower winding shaft (13) is rotatably installed in the lower rotating shaft groove (14), a lower clamping motor (11) is installed on the front side of the fixed platform (1), a lower reducer (12) is provided at the lower clamping motor (11) in the fixed platform (1), the rotating shaft of the lower clamping motor (11) is connected to the input end of the lower reducer (12), the output end of the lower reducer (12) is connected to the lower winding shaft (13), and a plurality of lower sliding grooves are symmetrically opened at both sides of the lower winding shaft (13) in the fixed platform (1). (17), each lower sliding groove (17) is equipped with several lower guide rails (18), and several lower driving sliders (19) are slidably installed on the lower guide rails (18). Several lower transmission grooves (15) connected to the lower sliding groove (17) are respectively opened on both sides of the lower rotating shaft groove (14), and a lower clamping wire rope (16) is passed through the lower transmission groove (15). One end of the lower clamping wire rope (16) is connected to the lower driving slider (19), and the other end of the lower clamping wire rope (16) is connected to the lower winding shaft (13). An adaptive clamping head is installed on the inner side of the top of the lower driving slider (19).

5. A mold fixing device with a center positioning assembly according to claim 4, characterized in that: The upper layer clamping motor (2) and the lower layer clamping motor (11) are both servo motors.