A machining clamp for a ball seat

CN224643427UActive Publication Date: 2026-08-18TAIZHOU TOP AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522098652.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-08-18
Estimated Expiration
2035-09-29

AI Technical Summary

Technical Problem

[0003]本实用新型提供了一种用于球座的机加夹具,可以解决现有的球座固定,通过夹紧球座的侧部进行固定,定位精度低,易导致球座在加工过程中出现偏移,影响加工尺寸精度的问题

Benefits of technology

[0013]结构简单,操作方便,通过弹簧使支撑销在加工过程中有一定的弹性缓冲,避免球座底部刚性损伤,通过第一压块与第二压块对球座进行压紧,同时,第一压块底部的定位销插入球座端部的孔内,对球座精准定位,可以解决现有的球座固定,通过夹紧球座的侧部进行固定,定位精度低,易导致球座在加工过程中出现偏移,影响加工尺寸精度的问题。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224643427U_ABST
    Figure CN224643427U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of machining clamps for ball seat, including oppositely arranged first clamp body and second clamp body, the first clamp body and the second clamp body upper portion are embedded with mounting disc, the middle part of the mounting disc is vertically provided with the switching shaft connected with equipment;Fixed seat is fixedly arranged in the upper end surface of switching shaft, and three support pins for supporting ball seat are inserted in the fixed seat;Mounting block is relatively clamped in the middle outer side of switching shaft connected with equipment, and the both ends of mounting block are hinged first sliding shaft and second sliding shaft, the first sliding shaft extends through mounting disc upwards, and ball seat placing block is fixedly installed on its upper end by bolt.The utility model can solve the existing ball seat fixing, fix by clamping the side of ball seat, positioning accuracy is low, prone to cause ball seat to appear deviation in processing process, affect the problem of processing size accuracy.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of automotive parts clamping technology, specifically a machining clamp for ball seats. Background Technology

[0002] In the manufacturing process of automotive control arm ball joint assemblies, the ball seat, as a core component, directly affects the assembly quality and performance of the entire assembly due to its machining accuracy. Currently, the ball seat of the control arm ball joint assembly is fixed by clamping its side, resulting in limited positioning structures. This makes it difficult to accurately position the complex structure of the automotive control arm, leading to low positioning accuracy and potential displacement of the ball seat during machining, thus affecting dimensional accuracy. Therefore, there is an urgent need for a machining fixture that offers precise positioning, high versatility, stable clamping, and convenient operation to solve the aforementioned problems in the fixing process of the ball seat in control arm ball joint assemblies. Utility Model Content

[0003] This invention provides a machining fixture for ball seats, which can solve the problem of low positioning accuracy in existing ball seat fixing methods that fix the ball seat by clamping the side of the ball seat, which easily leads to the ball seat shifting during the machining process and affecting the machining dimensional accuracy.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a machining fixture for ball seats, comprising a first fixture body and a second fixture body arranged opposite to each other, wherein a mounting plate is embedded in the upper part of the first fixture body and the second fixture body, and a converter shaft connected to the equipment is vertically arranged in the middle of the mounting plate; a fixed seat is fixedly arranged on the upper end face of the converter shaft, and three support pins for supporting the ball seat are inserted into the fixed seat; a mounting block is relatively locked on the outer side of the middle part of the converter shaft connected to the equipment, and a first sliding shaft and a second sliding shaft are hinged at both ends of the mounting block, wherein the first sliding shaft extends upward through the mounting plate, and a ball seat placement block is fixedly installed at its upper end by bolts; a fixed block is arranged opposite to the ball seat placement block on the upper end face of the mounting plate, and the space between the fixed block and the ball seat placement block is used to fix the end of the ball seat; a first pressing block and a second pressing block are inserted in the fixed block, and the first pressing block and the second pressing block are used to press the end of the ball seat to prevent it from loosening. This device provides quick and convenient clamping, stable products, and improved processing efficiency.

[0005] As a supplement to the technical solution described in this utility model, a positioning pin is provided at the bottom of the first pressure block. The positioning pin is inserted into the hole at the end of the ball seat to position the ball seat.

[0006] As a supplement to the technical solution described in this utility model, two connecting blocks are provided on the upper end face of the fixing block. The connecting blocks are respectively connected to the first pressing block, and the connecting blocks fix the first pressing block on the fixing block.

[0007] As a supplement to the technical solution described in this utility model, an adjustment block is fixedly provided on the upper end face of the fixing block on one side of the connecting block, and an adjustment shim is provided between the adjustment block and the connecting block. The position of the connecting block and the first pressure block is adjusted by adjusting the different thicknesses of the adjustment shim.

[0008] As a supplement to the technical solution described in this utility model, the bottom of the ball seat placement block is provided with a guide post on the outer periphery of the first sliding shaft, and a guide sleeve is fixedly provided on the mounting plate. The guide sleeve is slidably engaged with the guide post and the second sliding shaft respectively. The slidable engagement of the guide post and the guide sleeve provides guidance for the vertical movement of the first sliding shaft, ensuring the linearity and stability of the movement.

[0009] As a supplement to the technical solution described in this utility model, a spring is provided at the bottom of the support pin, and the two ends of the spring abut against the support pin and the adapter shaft respectively. The spring provides elastic support for the support pin. When processing the ball seat, the support pin enables the ball seat to have a certain buffering and self-adaptive ability, which can assist the support pin in resetting.

[0010] As a supplement to the technical solution described in this utility model, a linear bearing is provided in the middle of the mounting plate and slidably connected to the upper part of the adapter shaft. The linear bearing makes the sliding between the upper part of the adapter shaft and the mounting plate smoother, reduces friction, and ensures the flexibility and accuracy of the adapter shaft during movement.

[0011] As a supplement to the technical solution described in this utility model, a counterweight is provided on one side of the upper end face of the mounting plate. The counterweight is used to balance the weight of the fixture, prevent excessive centrifugal force, and prevent the main shaft of the equipment from being eccentric, so that the fixture can maintain a balanced state during operation.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] With a simple structure and convenient operation, the support pin is provided with a certain elastic buffer during processing through the spring, which avoids rigid damage to the bottom of the ball seat. The ball seat is pressed by the first and second pressure blocks. At the same time, the positioning pin at the bottom of the first pressure block is inserted into the hole at the end of the ball seat for precise positioning. This can solve the problem of low positioning accuracy of existing ball seat fixing, which is fixed by clamping the side of the ball seat. This can easily cause the ball seat to shift during processing and affect the dimensional accuracy of processing. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a three-dimensional structural diagram of the product placement state according to this utility model;

[0016] Figure 3 This is an exploded view of the present invention;

[0017] Figure 4 This is a cross-sectional view of the clamping product of this utility model.

[0018] Figure 5 This is a cross-sectional view of the present invention;

[0019] Figure 6 This is a partial enlarged view of point A in this utility model;

[0020] Figure 7 This is a schematic diagram of the structure of the first and second pressing blocks of this utility model;

[0021] Figure 8 This is a schematic diagram of the adapter shaft and upper part of this utility model.

[0022] Figure label:

[0023] 1. First clamp body; 2. Second clamp body; 3. Mounting plate; 4. Adapter shaft; 5. Fixed seat; 6. Support pin; 7. Mounting block; 8. First sliding shaft; 9. Second sliding shaft; 10. Ball seat placement block; 11. Fixed block; 12. First pressure block; 13. Second pressure block; 15. Guide post; 16. Guide sleeve; 17. Counterweight block; 18. Spring; 19. Connecting block; 21. Adjusting block; 22. Linear bearing; 121. Positioning pin; 20. Ball seat. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0025] The embodiments of this utility model relate to a machining fixture for ball seats, such as... Figure 1-8As shown, the device includes a first clamp body 1 and a second clamp body 2 arranged opposite to each other, forming a support frame on both sides of the clamp. An insert groove is provided on the upper part for fixing a mounting plate 3. The mounting plate 3 is embedded in the upper part of the first clamp body 1 and the second clamp body 2. The mounting plate 3 provides a mounting base for the positioning component and the linkage adjustment component. A transition shaft 4 for connecting to the equipment is vertically arranged in the middle of the mounting plate 3. A fixing seat 5 is fixedly arranged on the upper end face of the transition shaft 4. Three support pins 6 for supporting the ball seat 20 are inserted into the fixing seat 5. A mounting block 7 is relatively locked on the outer side of the middle part of the transition shaft 4 connected to the equipment. The two ends of the mounting block 7 are hinged to a first sliding shaft 8 and a second sliding shaft 9. The first sliding shaft 8 extends upward through the mounting plate 3, and a ball seat placement block 10 is fixedly installed on its upper end by bolts. A fixing block 11 is arranged opposite to the ball seat placement block 10 on the upper end surface of the mounting plate 3. The space between the fixing block 11 and the ball seat placement block 10 is used to fix the end of the ball seat 20. A first pressing block 12 and a second pressing block 13 are inserted into the fixing block 11. The first pressing block 12 and the second pressing block 13 are used to press the end of the ball seat 20 to prevent it from loosening. This device is quick and convenient to clamp, the product is stable, and the processing efficiency is improved.

[0026] In this embodiment, as Figure 8 As shown, a positioning pin 121 is provided at the bottom of the first pressure block 12. The positioning pin 121 is inserted into the hole at the end of the ball seat 20 to position the ball seat.

[0027] In this embodiment, as Figure 3 As shown, the upper end face of the fixing block 11 is provided with two connecting blocks 19, which are respectively connected to the first pressing block 12, and the connecting blocks 19 fix the first pressing block 12 on the fixing block 11.

[0028] In this embodiment, as Figure 1 As shown, an adjustment block 21 is fixedly provided on the upper end face of the fixing block 11 on one side of the connecting block 19. An adjustment shim is provided between the adjustment block 21 and the connecting block 19. The position of the connecting block 19 and the first pressure block 12 is adjusted by adjusting the different thicknesses of the shim.

[0029] In this embodiment, as Figure 4 As shown, the bottom of the ball seat placement block 10 is provided with a guide post 15 on the outer periphery of the first sliding shaft 8, and a guide sleeve 16 is fixedly provided on the mounting plate 3. The guide sleeve 16 is slidably engaged with the guide post 15 and the second sliding shaft 9 respectively. The slidable engagement of the guide post 15 and the guide sleeve 16 provides guidance for the vertical movement of the first sliding shaft 8, ensuring the linearity and stability of the movement.

[0030] In this embodiment, as Figure 3As shown, a spring 18 is provided at the bottom of the support pin 6. The two ends of the spring 18 abut against the support pin 6 and the adapter shaft 4 respectively. The spring 18 provides elastic support for the support pin 6. When machining the ball seat 20, the support pin 6 enables the ball seat 20 to have a certain buffering and self-adaptive ability, which can assist the support pin in resetting.

[0031] In this embodiment, as Figure 3 As shown, a linear bearing 22 is provided in the middle of the mounting plate 3 and is slidably connected to the upper part of the adapter shaft 4. The linear bearing 22 makes the sliding between the upper part of the adapter shaft 4 and the mounting plate 3 smoother, reduces friction, and ensures the flexibility and accuracy of the adapter shaft 4 during movement.

[0032] In this embodiment, as Figure 1 As shown, a counterweight 17 is provided on one side of the upper end face of the mounting plate 3. The counterweight 17 is used to balance the weight of the fixture, prevent excessive centrifugal force, and prevent the main shaft of the equipment from being eccentric, so that the fixture can maintain a balanced state during operation.

[0033] In this embodiment, as Figure 1 As shown, the operator holds the ball seat 20, aligns the end of the ball seat 20 with the space between the fixing block 11 and the ball seat placement block 10, and slowly inserts it; so that the lower end face of the ball seat 20 is stably placed on top of the three support pins 6; the position of the end of the ball seat 20 is manually fine-tuned so that the positioning hole at the end of the ball seat 20 is fitted onto the positioning pin 121, completing the precise pre-positioning of the end of the ball seat 20 and preventing the ball seat from shifting during subsequent movement; the equipment is started, and the adapter shaft 4 slides upward along the linear bearing 22, driving the mounting block 7 in the middle to move upward synchronously; because the two ends of the mounting block 7 are connected to the first sliding shaft 8 and the second sliding shaft 8, the ball seat 20 is positioned smoothly on the top of the three support pins 6; the operator manually fine-tunes the position of the end of the ball seat 20 so that the positioning hole at the end of the ball seat 20 is fitted onto the positioning pin 121, completing the precise pre-positioning of the end of the ball seat 20 and preventing the ball seat from shifting during subsequent movement; the equipment is started, and the adapter shaft 4 slides upward along the linear bearing 22, driving the mounting block 7 in the middle to move upward synchronously; because the two ends of the mounting block 7 are connected to the first sliding shaft 8 and the second sliding shaft 8, the ball seat 20 is positioned smoothly on the top of the three support pins 6; the operator manually fine-tunes the position of the ball seat 20 so that the positioning hole at the end of the ball seat 20 is fitted onto the positioning pin 121, completing the precise pre-positioning of the ball seat 20 and preventing the ball seat from shifting downward during subsequent movement; the operator manually fine-tunes the position of the ball seat 20 so that the positioning hole at the end of the ball seat 20 is aligned with the positioning pin 121, completing the precise pre When the mounting block 7 moves upward, the hinge point pushes the first sliding shaft 8 and the second sliding shaft 9 to slide upward synchronously. The upper end of the first sliding shaft 8 is fixedly connected to the ball seat placement block 10, thus driving the ball seat placement block 10 to move upward until the upper end surface of the ball seat placement block 10 is completely in contact with the lower end surface of the ball seat 20. At the same time, the lower end surfaces of the first pressing block 12 and the second pressing block 13 tightly press against the upper end surface of the ball seat 20. The first pressing block 12, the second pressing block 13, and the ball seat placement block 10 cooperate to fix the end of the ball seat 20, and the adapter shaft 4 stops moving upward, thus completing the fixing of the ball seat 20.

[0034] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0035] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly and specifically defined.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

Claims

1. A machining fixture for a ball seat, characterized in that, include: The first clamp body (1) and the second clamp body (2) are arranged opposite to each other. The upper part of the first clamp body (1) and the second clamp body (2) is provided with a mounting plate (3). The middle part of the mounting plate (3) is provided with a vertical adapter shaft (4) for connecting to the equipment. A fixed seat (5) is fixedly installed on the upper end face of the adapter shaft (4). The fixed seat (5) is provided with three support pins (6) for supporting the ball seat (20). Mounting block (7) is mounted on the outer side of the middle part of the adapter shaft (4) connected to the equipment. The two ends of mounting block (7) are hinged to the first sliding shaft (8) and the second sliding shaft (9). The first sliding shaft (8) extends upward through the mounting plate (3), and a ball seat placement block (10) is fixedly mounted on its upper end by bolts. A fixing block (11) is provided on the upper end face of the mounting plate (3) near the ball seat placement block (10). The space between the fixing block (11) and the ball seat placement block (10) is used to fix the end of the ball seat (20). A first pressing block (12) and a second pressing block (13) are inserted into the fixing block (11).

2. The machining fixture for ball seats according to claim 1, characterized in that: The bottom of the first pressure block (12) is provided with a positioning pin (121).

3. The machining fixture for ball seats according to claim 2, characterized in that: The upper surface of the fixing block (11) is provided with two connecting blocks (19), which are respectively connected to the pressure block (12).

4. The machining fixture for a ball seat according to claim 3, characterized in that: An adjustment block (21) is provided on the upper end face of the fixing block (11) on one side of the connecting block (19).

5. The machining fixture for ball seats according to claim 1, characterized in that: The bottom of the ball seat placement block (10) is provided with a guide post (15) on the outer periphery of the first sliding shaft (8), and a guide sleeve (16) is fixedly provided on the mounting plate (3). The guide sleeve (16) is in sliding cooperation with the guide post (15) and the second sliding shaft (9).

6. The machining fixture for a ball seat according to claim 1, characterized in that: A spring (18) is provided at the bottom of the support pin (6), and the two ends of the spring (18) abut against the support pin (6) and the adapter shaft (4) respectively.

7. The machining fixture for a ball seat according to claim 1, characterized in that: The mounting plate (3) is provided with a linear bearing (22) that is slidably connected to the upper part of the adapter shaft (4) in the middle.

8. The machining fixture for a ball seat according to claim 1, characterized in that: A counterweight (17) is provided on one side of the upper end face of the mounting plate (3).