A precision boring jig for a light truck transmission shifter

Abstract

The utility model discloses a kind of precision boring processing jigs of light truck transmission shifter, including jig plate, the upper end of jig plate is distributed with multiple jig holders, hydraulic drive cylinder, pressure support, axial positioner, limit seat, V-shaped clamping support and limit clamping seat are installed in the outer ring position of each jig holder of the upper end of jig plate, the upper end of pressure support is installed with first cylinder and first adjusting frame, and pressure assembly is provided on the first cylinder and first adjusting frame. The utility model discloses a kind of precision boring processing jigs of light truck transmission shifter, according to part positioning requirement, design a supporting surface and V-shaped are positioned with the center of cylindrical part plane, limit column is designed in the semicircle front end in axial, part up and down, left and right, front and back axial are all realized limit, jig positioning space is larger, facilitate operator clamping.

Description

Technical Field

[0001] This utility model relates to the field of truck transmission shifter processing technology, and in particular to a precision boring jig for a light truck transmission shifter. Background Technology

[0002] The precision boring fixture for truck transmission shifters is a support device for quickly limiting and fixing the shifter during machining. The truck transmission shifter is a snap-fit ​​product, consisting of a large-hole cylinder connected to a semi-circular snap-fit. Its functional principle is as a connecting part of the internal shifting structure of a light truck transmission. It requires machining two through holes, a top groove, and the two end faces of the semi-circle. The machining equipment uses a machining center + four-axis machine, and a special fixture needs to be designed for fixation. With the continuous development of technology, people's requirements for precision boring fixtures for truck transmission shifters are also getting higher and higher.

[0003] Existing truck transmission shifter fixtures have certain drawbacks in use. First, they cannot easily and quickly limit and fix the position, and the fixing effect cannot meet the requirements. They are also prone to instability during processing, which reduces the processing effect and has a certain adverse effect on the actual use. Therefore, we propose a precision boring fixture for light truck transmission shifters. Utility Model Content

[0004] Technical problem solved: In view of the shortcomings of the existing technology, this utility model provides a precision boring jig for a light truck transmission shifter. It is designed with a support surface and a V-shape for positioning the cylindrical part plane and center. An axial limiting post is designed at the front end of the semicircle, so that the part can be limited in the up, down, left, right and front and back axial directions. The jig has a larger positioning space, which is conducive to the operator's clamping and can effectively solve the problems in the background technology.

[0005] Technical Solution: To achieve the above objectives, the technical solution adopted by this utility model is as follows: a precision boring jig for a light truck transmission shifter, comprising a jig plate, with multiple sets of jig seats distributed on the upper end of the jig plate. At the outer ring position of each set of jig seats, a hydraulic drive cylinder, a clamping support, an axial limiter, a limit seat, a V-shaped clamping support, and a limit clamping seat are installed on the upper end of the jig plate. A component to be processed is provided on the upper end of the jig seat. A first cylinder and a first adjusting frame are installed on the upper end of the clamping support. A clamping component is provided on the first cylinder and the first adjusting frame. A second adjusting frame and a second cylinder are installed on the upper end of the V-shaped clamping support. A pressure block is provided on the second adjusting frame and the second cylinder. A V-shaped positioning block is integrally formed at the front end of the pressure block. A hydraulic retainer is provided on the inner side of the hydraulic drive cylinder.

[0006] Preferably, a first adjusting shaft is provided between the first cylinder and the pressing assembly, a first rotating shaft is provided between the first adjusting frame and the pressing assembly, a second rotating shaft is provided between the second adjusting frame and the pressing block, and a second adjusting shaft is provided between the second cylinder and the pressing block.

[0007] Preferably, an upper fixing plate is positioned at the bottom of the front end of the clamping assembly, a lower pressure plate is provided at the bottom of the upper fixing plate, and an elastic component and a damper are distributed between the upper fixing plate and the lower pressure plate, with the elastic component located on the outer ring of the damper.

[0008] Preferably, the first cylinder drives the pressing assembly to press and adjust via the first adjusting shaft and the first rotating shaft. The first adjusting shaft is adjusted at the end of the pressing assembly via a waist-shaped hole. The second cylinder drives the pressing block to perform limit adjustment via the second adjusting shaft and the second rotating shaft. The second adjusting shaft is adjusted at the end of the pressing block via a waist-shaped hole.

[0009] Preferably, the clamping assembly and the upper fixing plate are sealed and positioned by strong adhesive, and the upper fixing plate and the lower pressure plate are elastically adjusted by an elastic assembly and a damper.

[0010] Preferably, after the component to be processed is placed on the upper end of the fixture seat, one end is limited by a hydraulic drive cylinder, a hydraulic retainer, a limit clamping seat, a pressure block and a V-shaped positioning block, and the other end is limited by a pressing component, a limit seat and an axial limiter.

[0011] Beneficial Effects: Compared with the prior art, this utility model provides a precision boring jig for a light truck transmission shifter, which has the following beneficial effects: This precision boring jig for a light truck transmission shifter is designed with a support surface and a V-shape for positioning the cylindrical part plane and center. An axial limiting post is designed at the front end of the semicircle, and the part is limited in all directions (up, down, left, right, front, and back). The jig has a larger positioning space, which is convenient for operators to clamp. The two through holes and the two end faces of the semicircle are processed in one clamping, ensuring the requirements of form and position tolerances. The positioning is reliable and accurate through the V-shape of the blank surface, which simplifies the processing technology, facilitates rapid adjustment, and improves efficiency. The entire precision boring jig for the truck transmission shifter has a simple structure, is easy to operate, and has better performance than traditional methods. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of a precision boring fixture for a light truck transmission shifter according to this utility model.

[0013] Figure 2 This is a schematic diagram of the other side of the overall structure of the precision boring fixture for a light truck transmission shifter according to this utility model.

[0014] Figure 3 This is a top view of the overall structure of the precision boring fixture for a light truck transmission shifter according to this utility model.

[0015] Figure 4 This is an enlarged structural diagram of point A in the precision boring fixture for a light truck transmission shifter according to this utility model.

[0016] Figure 5 This is an enlarged structural diagram of section B in the precision boring fixture for a light truck transmission shifter according to this utility model.

[0017] Figure 6 This is a schematic diagram of the clamping component in the precision boring fixture of a light truck transmission shifter according to this utility model.

[0018] Figure 7 This is an enlarged structural diagram of point C in the precision boring fixture for a light truck transmission shifter according to this utility model.

[0019] In the diagram: 1. Fixture plate; 2. V-shaped clamping support; 3. Fixture seat; 4. V-shaped positioning block; 5. Hydraulic fixture; 6. Hydraulic drive cylinder; 7. Component to be processed; 8. Limiting seat; 9. Clamping support; 10. First cylinder; 11. First adjusting frame; 12. Clamping assembly; 13. Axial limiter; 14. Pressure block; 15. Second adjusting frame; 16. Second cylinder; 17. First adjusting shaft; 18. First rotating shaft; 19. Second adjusting shaft; 20. Second rotating shaft; 21. Upper fixing plate; 22. Lower pressure plate; 23. Elastic component; 24. Damper; 25. Limiting clamping seat. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the embodiments described below are only some embodiments of this utility model, not all embodiments, and are only used to illustrate this utility model, and should not be regarded as limiting the scope of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. Where specific conditions are not specified in the embodiments, conventional conditions or conditions recommended by the manufacturer shall be followed. Where the manufacturers of reagents or instruments are not specified, they are all conventional products that can be purchased commercially.

[0021] 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.

[0022] 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.

[0023] like Figure 1-7 As shown, a precision boring jig for a light truck transmission shifter includes a jig plate 1. Multiple jig seats 3 are distributed on the upper end of the jig plate 1. A hydraulic drive cylinder 6, a clamping support 9, an axial limiter 13, a limit seat 8, a V-shaped clamping support 2, and a limit clamping chuck 25 are installed on the outer ring of each jig seat 3 on the upper end of the jig plate 1. A component 7 to be processed is provided on the upper end of the jig seat 3. A first cylinder 10 and a first adjusting frame 11 are installed on the upper end of the clamping support 9. A clamping component 12 is provided on the first cylinder 10 and the first adjusting frame 11. A second adjusting frame 15 and a second cylinder 16 are installed on the upper end of the V-shaped clamping support 2. A pressure block 14 is provided on the second cylinder 16. A V-shaped positioning block 4 is integrally formed at the front end of the pressure block 14. A hydraulic retainer 5 is provided on the inner side of the hydraulic drive cylinder 6. After the component 7 to be processed is placed on the upper end of the fixture seat 3, one end is limited by the hydraulic drive cylinder 6, the hydraulic retainer 5, the limiting clamping seat 25, the pressure block 14 and the V-shaped positioning block 4, and the other end is limited by the clamping component 12, the limiting seat 8 and the axial limiter 13. A support surface and a V-shape are designed to position the cylindrical part plane and center. An axial limit post is designed at the front end of the semicircle. The part is limited in all directions (up, down, left, right, front, and back), and the fixture positioning space is larger, which is conducive to the operator's clamping.

[0024] like Figure 4As shown, a first adjusting shaft 17 is provided between the first cylinder 10 and the pressing assembly 12, a first rotating shaft 18 is provided between the first adjusting frame 11 and the pressing assembly 12, a second rotating shaft 20 is provided between the second adjusting frame 15 and the pressing block 14, and a second adjusting shaft 19 is provided between the second cylinder 16 and the pressing block 14. The first cylinder 10 drives the pressing assembly 12 to press and adjust through the first adjusting shaft 17 and the first rotating shaft 18. The first adjusting shaft 17 is adjusted at the end of the pressing assembly 12 through the waist-shaped hole. The second cylinder 16 drives the pressing block 14 to perform limit adjustment through the second adjusting shaft 19 and the second rotating shaft 20. The second adjusting shaft 19 is adjusted at the end of the pressing block 14 through the waist-shaped hole. Considering that the semi-circular part extends a long distance, a support and pressing point are designed to avoid vibration of the parts.

[0025] like Figure 7 As shown, an upper fixing plate 21 is positioned at the bottom of the front end of the clamping assembly 12, and a lower pressure plate 22 is provided at the bottom of the upper fixing plate 21. An elastic component 23 and a damper 24 are distributed between the upper fixing plate 21 and the lower pressure plate 22. The elastic component 23 is located on the outer ring of the damper 24. The clamping assembly 12 and the upper fixing plate 21 are sealed and positioned by strong adhesive. The upper fixing plate 21 and the lower pressure plate 22 are elastically adjusted by the elastic component 23 and the damper 24.

[0026] Working principle: This utility model includes a jig plate 1, a V-shaped clamping support 2, a jig seat 3, a V-shaped positioning block 4, a hydraulic fixture 5, a hydraulic drive cylinder 6, a component to be processed 7, a limiting seat 8, a pressing support 9, a first cylinder 10, a first adjusting frame 11, a pressing component 12, an axial limiter 13, a pressure block 14, a second adjusting frame 15, a second cylinder 16, a first adjusting shaft 17, a first rotating shaft 18, a second adjusting shaft 19, a second rotating shaft 20, an upper fixing plate 21, a lower pressing plate 22, and an elastic component. 23. The damper 24 and the limiting clamping seat 25 can complete the machining of two through holes and two end faces of the semicircle in one clamping, ensuring the requirements of form and position tolerance. The positioning is reliable and accurate through the V-shaped positioning of the blank surface, which simplifies the machining process, facilitates quick adjustment, and improves efficiency. A support surface and V-shape are designed to position the cylindrical part plane and center. A limiting post is designed at the front end of the semicircle in the axial direction, and the part can be limited in the up, down, left, right and front and back axial directions. The fixture positioning space is larger, which is conducive to the operator's clamping.

[0027] Determine the position of the V-shaped side support relative to the blank and the planar positioning: Considering the rough surface of the blank and the influence of the draft angle at the top and bottom, the thickness of the designed V-shaped positioning block should not be too large, only 5mm. The V-shaped design features hydraulic supports to ensure that parts are fixed in the center of the V-shape. The axial limiting position is selected at the top of the semicircle, and the device is rotated until it touches the target area during installation.

[0028] Next, consider whether the rigidity of the parts is appropriate: Based on the shape characteristics of the part, the semicircle extends a long distance, and vibration will occur when machining the two end faces of the semicircle. Therefore, a clamping support device is designed.

[0029] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A precision boring fixture for a light truck transmission shifter, comprising a fixture plate (1), characterized in that: The upper end of the jig plate (1) is distributed with multiple sets of jig seats (3). The upper end of the jig plate (1) is equipped with a hydraulic drive cylinder (6), a clamping support (9), an axial limiter (13), a limit seat (8), a V-type clamping support (2), and a limit clamping chuck (25) at the outer ring position of each set of jig seats (3). The upper end of the jig seat (3) is provided with the component to be processed (7). The upper end of the clamping support (9) is equipped with a first cylinder (10) and a first adjustment. The first cylinder (10) and the first adjusting frame (11) are provided with a clamping assembly (12). The upper end of the V-shaped clamping support (2) is provided with a second adjusting frame (15) and a second cylinder (16). The second adjusting frame (15) and the second cylinder (16) are provided with a pressure block (14). The front end of the pressure block (14) is integrally formed with a V-shaped positioning block (4). The inner side of the hydraulic drive cylinder (6) is provided with a hydraulic retainer (5).

2. The precision boring fixture for a light truck transmission shifter according to claim 1, characterized in that: A first adjusting shaft (17) is provided between the first cylinder (10) and the pressing assembly (12), a first rotating shaft (18) is provided between the first adjusting frame (11) and the pressing assembly (12), a second rotating shaft (20) is provided between the second adjusting frame (15) and the pressing block (14), and a second adjusting shaft (19) is provided between the second cylinder (16) and the pressing block (14).

3. The precision boring fixture for a light truck transmission shifter according to claim 1, characterized in that: The front end of the clamping assembly (12) is positioned with an upper fixing plate (21), and a lower pressure plate (22) is provided at the bottom of the upper fixing plate (21). An elastic component (23) and a damper (24) are distributed between the upper fixing plate (21) and the lower pressure plate (22). The elastic component (23) is located on the outer ring of the damper (24).

4. The precision boring fixture for a light truck transmission shifter according to claim 2, characterized in that: The first cylinder (10) drives the pressing assembly (12) to press and adjust through the first adjusting shaft (17) and the first rotating shaft (18). The first adjusting shaft (17) is adjusted at the end of the pressing assembly (12) through the waist-shaped hole. The second cylinder (16) drives the pressing block (14) to perform limit adjustment through the second adjusting shaft (19) and the second rotating shaft (20). The second adjusting shaft (19) is adjusted at the end of the pressing block (14) through the waist-shaped hole.

5. The precision boring fixture for a light truck transmission shifter according to claim 3, characterized in that: The clamping assembly (12) and the upper fixing plate (21) are sealed and positioned by strong adhesive, and the upper fixing plate (21) and the lower pressure plate (22) are elastically adjusted by the elastic assembly (23) and the damper (24).

6. The precision boring fixture for a light truck transmission shifter according to claim 1, characterized in that: After the component to be processed (7) is placed on the upper end of the fixture seat (3), one end is limited by the hydraulic drive cylinder (6), hydraulic fixture (5), limit clamping seat (25), pressure block (14) and V-shaped positioning block (4), and the other end is limited by the pressing component (12), limit seat (8) and axial limiter (13).

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