Universal quick finishing fixture base

Abstract

The utility model relates to the technical field of fixture, especially quick finish -machining fixture seat of general type, its mainly for the traditional special fixture used in the casing processing exists design manufacturing cost is high, the change production efficiency is low and the degree of flexibility is insufficient, is difficult to satisfy modernization production demand's problem, proposes the following technical scheme including bottom plate, fixedly installed in the bottom plate top base, the base is pagoda shape setting, is used for adapting different model casing, sets up in the base one side's positioning mechanism, the positioning mechanism is used for to casing carries out preposition prevents its rotation, two groups of clamping blocks, two groups clamping blocks symmetry sets up in the base two sides for casing carries out clamping fixed, installs on the bottom plate's multidimensional adjustment assembly, the utility model discloses can reduce design manufacturing and replacement cost, promote the change production efficiency and equipment utilization, strengthen enterprise's flexibility and competitiveness of the market change response.

Description

Technical Field

[0001] This utility model relates to the field of fixture technology, and in particular to a universal high-speed precision machining fixture holder. Background Technology

[0002] In the machining of machine housings, fixtures are key equipment for ensuring machining accuracy and efficiency, and their performance directly affects production results. Currently, the specialized fixtures commonly used in the industry have many limitations in practical applications and are difficult to meet the needs of modern production.

[0003] Specialized fixtures require customized design and manufacturing based strictly on the structural dimensions of specific machine housing workpieces. The entire process involves significant R&D investment and processing costs, with a single fixture often costing thousands or even tens of thousands of yuan. More importantly, when the model or specifications of the machine housing product change, the corresponding specialized fixtures become unusable due to limited compatibility and must be scrapped, further increasing the company's production costs. In the production of multiple machine housing varieties, whenever a product model needs to be switched, the original specialized fixtures must be disassembled and new fixtures reinstalled and debugged. This changeover process typically takes 30–90 minutes, during which time the processing equipment is idle, severely reducing the effective utilization rate of the equipment and hindering the improvement of overall production efficiency.

[0004] Traditional dedicated fixtures are highly specialized in structure and function, typically adaptable to only one specific type of machine housing workpiece. However, with the diversification of market demands, machine housing production is increasingly trending towards small-batch, multi-variety production. Dedicated fixtures struggle to respond quickly to this shift in production models, resulting in insufficient flexibility for companies to adapt to market changes and impacting their competitiveness. Therefore, this invention proposes a universal, rapid finishing fixture base. Utility Model Content

[0005] The purpose of this invention is to address the problems in the background art where traditional special-purpose fixtures used in machine housing processing have high design and manufacturing costs, low production changeover efficiency, and insufficient flexibility, making it difficult to meet the needs of modern production. The invention proposes a universal rapid precision machining fixture base.

[0006] Technical solution of the utility model: A general-purpose rapid precision machining fixture base, including a bottom plate; a base fixedly installed on the top of the bottom plate, the base is arranged in a pagoda shape for adapting to different models of machine shells; a positioning mechanism arranged on one side of the base, the positioning mechanism is used for pre-positioning the machine shell to prevent it from rotating; two groups of clamping blocks, the two groups of clamping blocks are symmetrically arranged on both sides of the base for clamping and fixing the machine shell; a multi-dimensional adjustment component installed on the bottom plate, the multi-dimensional adjustment component is used for adjusting the position of the clamping block to adapt to different models of machine shells; an elastic pressing mechanism arranged on the multi-dimensional adjustment component, the elastic pressing mechanism is used for providing a thrust to the clamping block to clamp the machine shell.

[0007] Optionally, the positioning mechanism includes an installation groove opened in the base, a fixing plate is installed in the installation groove, a positioning plate is fixedly connected to the top of the fixing plate, two groups of first sliding rods are slidably connected in the positioning plate, and a moving plate is fixedly connected to the ends of the two groups of first sliding rods close to the base. A clamping block is installed on one side of the moving plate close to the base, and the clamping block is arranged in a "U" shape.

[0008] Optionally, the positioning mechanism further includes a first push rod motor installed on the side of the positioning plate away from the base, the output end of the first push rod motor penetrates through the positioning plate and is fixedly connected to a push plate, the push plate is penetrated by the two groups of first sliding rods and is slidably matched with them, and the two groups of first sliding rods are both sleeved with first springs, and the first springs are arranged between the moving plate and the first spring.

[0009] Optionally, limiting rings are fixedly connected to the two groups of first sliding rods, and the limiting rings are arranged on the side of the push plate away from the moving plate.

[0010] Optionally, the multi-dimensional adjustment component includes vertical plates arranged on both sides of the bottom plate, a second push rod motor is installed on one side of the vertical plate, the output end of the second push rod motor is fixedly connected to a lifting plate, the lifting plate is slidably sleeved on the vertical plate, and the bottom of the lifting plate is fixedly connected with multiple groups of limiting rods. A limiting block is slidably connected to the multiple groups of limiting rods together, and the limiting block is fixedly connected to the side of the vertical plate away from the second push rod motor.

[0011] Optionally, a third push rod motor is installed on the top of the lifting plate, a groove corresponding to the third push rod motor is opened on the top of the vertical plate, the output end of the third push rod motor is fixedly connected to a connecting plate, a regulating plate is fixedly connected to the side of the connecting plate, and two groups of sliders are fixedly connected to both sides of the regulating plate. The two groups of sliders are both arranged in an L shape, and the two groups of sliders are slidably connected to both sides of the lifting plate.

[0012] Optionally, the elastic pressure mechanism includes a fourth push rod motor mounted on the top of the adjusting plate. The output end of the fourth push rod motor is fixedly connected to a pressure plate. Two sets of second slide rods are slidably connected in the pressure plate. The ends of the two sets of second slide rods near the clamping block are fixedly connected to a mounting plate. A convenient plate is connected to the side of the mounting plate by fasteners. The clamping block is fixedly connected to the convenient plate.

[0013] Optionally, multiple sets of third slide rods are fixedly connected to the side of the pressure plate away from the clamping block, and limit sleeves are slidably connected to the third slide rods. All sets of limit sleeves are fixedly connected to the adjusting plate.

[0014] Optionally, a sliding plate is slidably connected to both sets of second slide rods. Two sets of second springs are provided between the sliding plate and the mounting plate. The two sets of second springs are respectively sleeved on the outer ring of the two sets of second slide rods. A pressure sensor is provided on the side of the sliding plate near the pressure plate. The pressure sensor is fixedly connected to the pressure plate. A limit plate is fixedly connected to the end of the second slide rod away from the mounting plate.

[0015] Optionally, a control box is also included, in which the first push rod motor, the second push rod motor, the third push rod motor, the fourth push rod motor, and the pressure sensor are all electrically connected.

[0016] In summary, this application includes at least one of the following beneficial technical effects:

[0017] This utility model adapts to different models of machine housings through a pagoda-shaped base, and achieves flexible adjustment of the clamping block in the height and horizontal direction with the multi-dimensional adjustment component. There is no need to customize special clamps for each machine housing. At the same time, the clamping block and the mounting plate in the elastic pressure mechanism are connected by fasteners, which facilitates quick replacement according to the characteristics of the machine housing. This effectively solves the problem that traditional special clamps can only adapt to a single workpiece and are scrapped after product changes. It significantly reduces the design, manufacturing and replacement costs and can better respond to the production needs of small batches and multiple varieties.

[0018] Furthermore, by uniformly controlling each push rod motor through the control box, the coordinated action of the positioning mechanism, multi-dimensional adjustment components and elastic pressure mechanism can be quickly completed, enabling rapid switching between different models of housings. The entire process does not require cumbersome disassembly and installation steps, greatly shortening the changeover time, reducing equipment idle time, and improving equipment utilization and overall production efficiency.

[0019] In summary, this utility model can reduce design, manufacturing, and replacement costs, improve production changeover efficiency and equipment utilization, and enhance enterprises' flexibility and competitiveness in response to market changes. Attached Figure Description

[0020] Figure 1 A structural schematic diagram of a general-purpose rapid finishing fixture is provided.

[0021] Figure 2 This is a cross-sectional structural diagram of the positioning plate;

[0022] Figure 3 This is a cross-sectional structural diagram of the elastic pressure application mechanism.

[0023] Figure label:

[0024] 1. Base plate; 2. Base; 3. Positioning mechanism; 31. Mounting slot; 32. Fixing plate; 33. Positioning plate; 34. First sliding rod; 35. Moving plate; 36. Locking block; 37. First push rod motor; 38. Push plate; 39. First spring; 310. Limiting ring;

[0025] 4. Clamping block; 41. Convenience board;

[0026] 5. Multi-dimensional adjustment component; 51. Vertical plate; 52. Second push rod motor; 53. Lifting plate; 54. Limit rod; 55. Limit block; 56. Third push rod motor; 57. Connecting plate; 58. Adjusting plate; 59. Slider;

[0027] 6. Elastic pressure application mechanism; 61. Fourth push rod motor; 62. Pressure plate; 63. Second slide rod; 64. Mounting plate; 65. Third slide rod; 66. Limiting sleeve; 67. Sliding plate; 68. Second spring; 69. Pressure sensor; 610. Limiting disc. Detailed Implementation

[0028] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0029] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0030] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] Example

[0034] like Figure 1 As shown, the universal rapid finishing fixture base proposed in this utility model includes a base plate 1 and a base 2 fixedly installed on the top of the base plate 1. The base 2 is pagoda-shaped and is used to adapt to different models of machine housings.

[0035] For further details, please refer to Figure 1 and Figure 2The aforementioned fixture base includes a positioning mechanism 3 disposed on one side of the base 2. The positioning mechanism 3 is used to pre-position the casing to prevent it from rotating. The positioning mechanism 3 includes an installation groove 31 in the base 2, in which a fixing plate 32 is installed. A positioning plate 33 is fixedly connected to the top of the fixing plate 32, and the positions of the fixing plate 32 and the positioning plate 33 are fixed. Two sets of first slide rods 34 are slidably connected in the positioning plate 33. The ends of the two sets of first slide rods 34 near the base 2 are jointly fixedly connected to a moving plate 35. The first slide rods 34 limit the movement of the moving plate 35, making its movement smooth. A locking block 36 is installed on the side of the moving plate 35 near the base 2. The locking block 36 is U-shaped. When the moving plate 35 moves, it drives the locking block 36 to move synchronously, locking onto the heat sink on the outside of the casing to limit its movement and prevent the casing from rotating. The positioning mechanism 3 also includes a first push rod motor 37 installed on the side of the positioning plate 33 away from the base 2. The output end of the first push rod motor 37 passes through the positioning plate 33 and is fixedly connected to a push plate 38. After the first push rod motor 37 is started, it drives the push plate 38 to move. The push plate 38 is penetrated by two sets of first slide rods 34 and slides with them. The push plate 38 moves smoothly under the limiting action of the two sets of first slide rods 34. Each set of first slide rods 34 is fitted with a first spring 39, which is located between the moving plate 35 and the first spring 39. With the first spring 39, when the push plate 38 moves, it drives the moving plate 35 to move synchronously. At the same time, when the locking block 36 contacts the housing and the moving plate 35 can no longer move, the push plate 38 will continue to move and squeeze the first spring 39, avoiding hard squeezing that could cause deformation and damage to the housing. Each set of first slide rods 34 is fixedly connected to a limit ring 310, which is located on the side of the push plate 38 away from the moving plate 35. By setting the limiting ring 310, when the push plate 38 moves away from the housing, the limiting ring 310 drives the first slide bar 34, which in turn drives the moving plate 35 away from the housing.

[0036] Furthermore, the aforementioned clamping base also includes two sets of clamping blocks 4, which are symmetrically arranged on both sides of the base 2 for clamping and fixing the housing. When the two sets of clamping blocks 4 move closer to the center position, they clamp and fix the housing.

[0037] Specifically, the aforementioned clamping base includes a multi-dimensional adjustment assembly 5 mounted on the base plate 1. The multi-dimensional adjustment assembly 5 is used to adjust the position of the clamping block 4 to adapt to different housing models. The multi-dimensional adjustment assembly 5 includes upright plates 51 disposed on both sides of the base plate 1, with the positions of the upright plates 51 fixed. A second push rod motor 52 is mounted on one side of the upright plate 51, and a lifting plate 53 is fixedly connected to the output end of the second push rod motor 52. After the second push rod motor 52 is started, it drives the lifting plate 53 to move. The lifting plate 53 is slidably sleeved on the upright plate 51, making the movement of the lifting plate 53 smooth. Multiple sets of limiting rods 54 are fixedly connected to the bottom of the lifting plate 53, and a limiting block 55 is slidably connected to the multiple sets of limiting rods 54. The limiting block 55 is fixedly connected to the side of the upright plate 51 away from the second push rod motor 52. Through the limiting action of the limiting rods 54 and the limiting block 55, the stability of the lifting plate 53 during vertical movement is further improved. A third push rod motor 56 is installed on the top of the lifting plate 53. A groove corresponding to the third push rod motor 56 is provided on the top of the upright plate 51, ensuring that the third push rod motor 56 can move up and down with the lifting plate 53 without being affected by the upright plate 51. A connecting plate 57 is fixedly connected to the output end of the third push rod motor 56, and an adjusting plate 58 is fixedly connected to the side of the connecting plate 57. After the third push rod motor 56 is started, it drives the adjusting plate 58 to move through the connecting plate 57. Slider blocks 59 are fixedly connected to both sides of the adjusting plate 58. Both sets of sliders 59 are L-shaped and slidably connected to both sides of the lifting plate 53. The limiting effect of the sliders 59 ensures smooth movement of the adjusting plate 58.

[0038] Furthermore, such as Figure 1 and Figure 3As shown, the aforementioned clamping base also includes an elastic pressure mechanism 6 disposed on the multi-dimensional adjustment component 5. The elastic pressure mechanism 6 is used to provide thrust to the clamping block 4 to clamp the machine housing. The elastic pressure mechanism 6 includes a fourth push rod motor 61 mounted on the top of the adjustment plate 58. The output end of the fourth push rod motor 61 is fixedly connected to a pressure plate 62. After the fourth push rod motor 61 is started, it drives the pressure plate 62 to move. Two sets of second slide rods 63 are slidably connected in the pressure plate 62. The ends of the two sets of second slide rods 63 near the clamping block 4 are fixedly connected to a mounting plate 64. When the pressure plate 62 moves, it drives the mounting plate 64 to move synchronously through the second slide rods 63. The limiting effect of the second slide rods 63 makes the movement of the mounting plate 64 smooth. A convenient plate 41 is connected to the side of the mounting plate 64 by fasteners. The clamping block 4 is fixedly connected to the convenient plate 41. When the mounting plate 64 moves, it drives the clamping block 4 to move synchronously. The fastener connection facilitates the disassembly and replacement of the clamping block 4. Multiple sets of third slide rods 65 are fixedly connected to the side of the pressure plate 62 away from the clamping block 4. Limiting sleeves 66 are slidably connected to the third slide rods 65, and all sets of limiting sleeves 66 are fixedly connected to the adjusting plate 58. The limiting effect of the third slide rods 65 and the limiting sleeves 66 ensures smooth movement of the pressure plate 62. A sliding plate 67 is slidably connected to both sets of second slide rods 63. Two sets of second springs 68 are provided between the sliding plate 67 and the mounting plate 64. The two sets of second springs 68 are respectively sleeved on the outer ring of the two sets of second slide rods 63. A pressure sensor 69 is provided on the side of the sliding plate 67 near the pressure plate 62, and the pressure sensor 69 is fixedly connected to the pressure plate 62. After the pressure plate 62 moves and causes the clamping block 4 to contact the machine housing, the second springs 68 are compressed as the pressure plate 62 continues to move, preventing hard mechanical force from squeezing the machine housing. Simultaneously, the pressure sensor 69 detects the elastic force of the second spring 68, thereby indirectly determining the pressure of the clamping block 4 on the housing. This ensures stable clamping of the housing while preventing excessive pressure that could cause deformation. The end of the second slide rod 63 furthest from the mounting plate 64 is fixedly connected to a limiting plate 610. The limiting plate 610 prevents the second slide rod 63 from detaching from the pressure plate 62 due to the elastic force of the second spring 68.

[0039] Finally, the aforementioned fixture base also includes a control box, to which the first push rod motor 37, the second push rod motor 52, the third push rod motor 56, the fourth push rod motor 61, and the pressure sensor 69 are all electrically connected. The control box provides unified electrical control over the first push rod motor 37, the second push rod motor 52, the third push rod motor 56, the fourth push rod motor 61, and the pressure sensor 69, enabling coordinated operation of each mechanism to achieve rapid and stable clamping of different types of housings, meeting the needs of housing processing.

[0040] It is worth mentioning that the first push rod motor 37, the second push rod motor 52, the third push rod motor 56, and the fourth push rod motor 61 mentioned above can all be replaced by cylinders or hydraulic cylinders for driving, and are equipped with corresponding power sources.

[0041] In this embodiment, the casing is first placed on the pagoda-shaped base 2. The pagoda-shaped design of the base 2 can directly adapt to different models of casings, achieving initial placement and positioning. Then, the first push rod motor 37 is activated, driving the push plate 38 to move closer to the base 2. During this movement, the push plate 38 pushes the moving plate 35 synchronously via the first spring 39. The moving plate 35 moves smoothly under the limiting action of the two sets of first sliding rods 34, and drives the "U"-shaped locking block 36 closer to the casing. Finally, the locking block 36 locks onto the heat sink area on the outside of the casing, completing the pre-positioning of the casing. If the moving plate 35 cannot move further after the locking block 36 contacts the casing, the push plate 38 will continue to move and compress the first spring 39. The elasticity of the first spring 39 buffers the impact, preventing hard compression that could deform or damage the casing.

[0042] Next, the second push rod motor 52 starts, driving the lifting plate 53 to move up and down along the vertical plate 51. At the same time, the limiting rod 54 slides within the limiting block 55 to ensure that the lifting plate 53 moves smoothly, thereby adjusting the height of the clamping block 4. Then, the third push rod motor 56 starts, driving the adjusting plate 58 to move through the connecting plate 57. The L-shaped sliders 59 on both sides of the adjusting plate 58 slide along the lifting plate 53 to ensure that the adjusting plate 58 moves smoothly, completing the horizontal position adjustment of the clamping block 4, so that the clamping block 4 is accurately aligned with the clamping part of the machine housing.

[0043] Then, the fourth push rod motor 61 starts, driving the pressure plate 62 to move closer to the housing. The pressure plate 62 moves smoothly under the limiting action of the third slide rod 65 and the limiting sleeve 66, and drives the mounting plate 64 and the clamping block 4 to move synchronously through the second slide rod 63. When the clamping block 4 contacts the housing, the pressure plate 62 continues to move. At this time, the slide plate 67 will compress the second spring 68. The elastic force of the second spring 68 will be used to apply a stable clamping force to the housing by the clamping block 4. At the same time, the pressure sensor 69 detects the elastic force of the second spring 68 and indirectly judges the pressure of the clamping block 4 on the housing, ensuring stable clamping while avoiding excessive pressure that could cause deformation of the housing.

[0044] The above specific embodiments are merely optional embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A universal high-speed finishing fixture base, characterized in that, Comprising: Base plate (1); A base (2) fixedly installed on the top of the base plate (1), the base (2) is arranged in a pagoda shape for adapting to different models of machine casings; A positioning mechanism (3) arranged on one side of the base (2), the positioning mechanism (3) is used for pre-positioning the machine casing to prevent it from rotating; Two groups of clamping blocks (4), the two groups of clamping blocks (4) are symmetrically arranged on both sides of the base (2) for clamping and fixing the machine casing; A multi-dimensional adjustment component (5) installed on the base plate (1), the multi-dimensional adjustment component (5) is used for adjusting the position of the clamping block (4) to adapt to different models of machine casings; An elastic pressing mechanism (6) arranged on the multi-dimensional adjustment component (5), the elastic pressing mechanism (6) is used for providing a thrust to the clamping block (4) to clamp the machine casing.

2. The universal rapid finishing fixture holder according to claim 1, characterized in that, The positioning mechanism (3) includes an installation groove (31) opened in the base (2), a fixing plate (32) is installed in the installation groove (31), a positioning plate (33) is fixedly connected to the top of the fixing plate (32), two groups of first sliding rods (34) are slidably connected in the positioning plate (33), and the ends of the two groups of first sliding rods (34) close to the base (2) are fixedly connected together with a moving plate (35), a clamping block (36) is installed on one side of the moving plate (35) close to the base (2), and the clamping block (36) is arranged in a "U" shape.

3. The universal rapid finishing fixture holder according to claim 2, characterized in that, The positioning mechanism (3) further includes a first push rod motor (37) installed on the side of the positioning plate (33) away from the base (2), the output end of the first push rod motor (37) penetrates through the positioning plate (33) and is fixedly connected with a push plate (38), the push plate (38) is penetrated by the two groups of first sliding rods (34) and is in sliding fit with them, and the two groups of first sliding rods (34) are both sleeved with first springs (39), and the first springs (39) are arranged between the moving plate (35) and the first spring (39).

4. The universal rapid finishing fixture holder according to claim 3, characterized in that, Limit rings (310) are fixedly connected to both groups of the first sliding rods (34), and the limit rings (310) are arranged on the side of the push plate (38) away from the moving plate (35).

5. The universal rapid finishing fixture holder according to claim 4, characterized in that, The multi-dimensional adjustment component (5) includes vertical plates (51) arranged on both sides of the base plate (1), a second push rod motor (52) is installed on one side of the vertical plate (51), the output end of the second push rod motor (52) is fixedly connected with a lifting plate (53), the lifting plate (53) is slidably sleeved on the vertical plate (51), the bottom of the lifting plate (53) is fixedly connected with multiple groups of limiting rods (54), and a limiting block (55) is slidably connected together on the multiple groups of limiting rods (54), and the limiting block (55) is fixedly connected to the side of the vertical plate (51) away from the second push rod motor (52).

6. The universal rapid finishing fixture holder according to claim 5, characterized in that, The top of the lifting plate (53) is equipped with a third push rod motor (56), and the top of the upright plate (51) is provided with a groove corresponding to the third push rod motor (56). The output end of the third push rod motor (56) is fixedly connected to a connecting plate (57), and the side of the connecting plate (57) is fixedly connected to an adjusting plate (58). Both sides of the adjusting plate (58) are fixedly connected to sliders (59). Both sets of sliders (59) are L-shaped and are slidably connected to both sides of the lifting plate (53).

7. The universal rapid finishing fixture holder according to claim 6, characterized in that, The elastic pressure mechanism (6) includes a fourth push rod motor (61) installed on the top of the adjustment plate (58). The output end of the fourth push rod motor (61) is fixedly connected to a pressure plate (62). Two sets of second slide rods (63) are slidably connected in the pressure plate (62). The two sets of second slide rods (63) are fixedly connected to a mounting plate (64) at one end near the clamping block (4). A convenient plate (41) is connected to the side of the mounting plate (64) by fasteners. The clamping block (4) is fixedly connected to the convenient plate (41).

8. The universal rapid finishing fixture holder according to claim 7, characterized in that, The pressure plate (62) is fixedly connected to a number of third slide rods (65) on the side away from the clamping block (4). Limiting sleeves (66) are slidably connected on the third slide rods (65), and the multiple sets of limiting sleeves (66) are fixedly connected to the adjusting plate (58).

9. The universal rapid finishing fixture holder according to claim 8, characterized in that, Two sets of second slide rods (63) are slidably connected to a sliding plate (67). Two sets of second springs (68) are provided between the sliding plate (67) and the mounting plate (64). The two sets of second springs (68) are respectively sleeved on the outer ring of the two sets of second slide rods (63). A pressure sensor (69) is provided on the side of the sliding plate (67) near the pressure plate (62). The pressure sensor (69) is fixedly connected to the pressure plate (62). A limit plate (610) is fixedly connected to the end of the second slide rod (63) away from the mounting plate (64).

10. The universal rapid finishing fixture holder according to claim 9, characterized in that, It also includes a control box, and the first push rod motor (37), the second push rod motor (52), the third push rod motor (56), the fourth push rod motor (61) and the pressure sensor (69) are all electrically connected to the control box.

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