Die structure for improving coaxiality of inner ball cage

Abstract

The utility model discloses a die structure for improving coaxiality of an inner ball cage, which belongs to the technical field of dies and comprises a fixed seat, and an inner ball cage die is mounted on the fixed seat. The bottoms of the multiple guide assemblies are all connected with sliding structures, the multiple sliding structures are all connected to the fixing base, the tops of the multiple sliding structures are fixedly connected with the same fixing plate, an extrusion block is installed at the bottom of the fixing plate, and the extrusion block is matched with the inner ball cage mold; and the adjusting assembly comprises a fixing frame, a vertical sliding block, a threaded groove and an adjusting screw rod. The device has the advantages that the adjusting assembly is arranged, the two perpendicular adjusting screws are rotated, the fixing plate is pushed to move in the axial direction of the fixing plate through the threaded groove, position adjustment of the fixing plate in the horizontal range is completed, and then the extrusion block on the fixing plate and the inner ball cage mold are kept in the coaxial state all the time; and the real-time adjusting effect can be conveniently achieved in the machining process of the inner ball cage, and the coaxiality of the inner ball cage is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of inner ball cage processing, in particular to a mold structure for improving the coaxiality of the inner ball cage. Background Art

[0002] The inner ball cage and the outer ball cage are the common names for constant velocity universal joints, which are important components in the transmission system of a car. They are mainly used to transfer the power of the engine from the transmission to the two wheels. The diameter of the inner ball cage is smaller than that of the outer ball cage. When processing the inner ball cage, cold casting is usually used to extrude the molten metal into the inner ball cage mold.

[0003] Chinese utility model application number CN202121942362.4 discloses a cold extrusion die for the positive extrusion processing of the outer ball cage of an automobile, which forms a buffering and guiding effect on the fixed plate and the extrusion block through the cooperation of the sleeve and the support column. In this way, the position of the extrusion block cannot be adjusted, which is not conducive to improving the coaxiality of the extrusion block and the inner ball cage mold, and is easy to affect the coaxial effect of the inner ball cage formed by cold press casting, thereby reducing the quality of the inner ball cage. Utility Model Content

[0004] The utility model aims to provide a mold structure for improving the coaxiality of the inner ball cage, so as to solve the problem that the position of the extrusion block cannot be adjusted in the traditional technology, which easily affects the coaxial effect of the inner ball cage formed by cold press casting and reduces the quality of the inner ball cage.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A mold structure for improving the coaxiality of an inner ball cage comprises: a fixed seat, on which an inner ball cage mold is installed; a guide assembly, wherein a plurality of guide assemblies are connected to sliding structures at the bottom, a plurality of sliding structures are connected to the fixed seat, and a same fixed plate is fixedly connected to the top, an extrusion block is installed at the bottom of the fixed plate, and the extrusion block cooperates with the inner ball cage mold; an adjustment assembly, wherein the adjustment assembly comprises a fixed frame, a vertical slider, a threaded groove and an adjustment screw, the fixed frame is fixedly connected to the fixed seat, the inner peripheral side of the fixed frame is clearance-matched with the outer peripheral side of the fixed plate, four vertical slide grooves are opened on the top of the fixed frame, vertical sliders are slidably connected in the four vertical slide grooves, and the fixed plate Two thread grooves are provided through the top, the two thread grooves are perpendicular to each other and are gap-distributed in the vertical direction, the two thread grooves are threadedly connected with adjusting screws, the two ends of the adjusting screws are rotatably connected with the two vertical sliding blocks in a one-to-one manner, the sliding structure includes a limit groove and a sliding block, a plurality of the limit grooves are provided on the top of the fixed seat, a plurality of the limit grooves are slidably connected with sliding blocks, a plurality of the bottoms of the guide assemblies are fixedly connected with a plurality of sliding blocks in a one-to-one manner, the guide assemblies include guide columns and guide cylinders, a plurality of the bottoms of the guide columns are fixedly connected with the sliding blocks, a plurality of the tops of the guide columns are coaxially slidably connected with guide cylinders, and a plurality of the tops of the guide cylinders are fixedly connected with the fixed plate.

[0007] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: the fixed frame is in the shape of a rectangular frame, wherein four vertical sliding grooves are distributed in the middle of the four sides of the rectangular frame, wherein some of the limiting grooves are axially parallel to the long side direction of the rectangular frame, and other parts of the limiting grooves are axially parallel to the short side direction of the rectangular frame.

[0008] In order to better achieve the above purpose, the utility model adopts a further technical solution: the four vertical slide grooves are all connected to a connecting groove, the connecting groove is penetrated and opened on the fixed frame, and the inner side of the connecting groove is gap-matched with the outer side of the adjusting screw.

[0009] In order to better achieve the above-mentioned purpose, the utility model adopts a further technical solution: one end of the two adjusting screws is fixedly connected to a handle, and both are provided with a mark.

[0010] The advantages of the utility model are: by setting an adjustment component, rotating two mutually perpendicular adjustment screws, and pushing the fixed plate to move along its axial direction through the threaded groove, the position adjustment of the fixed plate within the horizontal range is completed, so that the extrusion block on the fixed plate always maintains a coaxial state with the inner ball cage mold, which is convenient for achieving real-time adjustment effects during the processing of the inner ball cage and improving the coaxiality of the inner ball cage; by setting a sliding structure and a guide component, the horizontal position adjustment of the fixed plate is conveniently completed through the sliding structure, and the inner ball cage processing is conveniently performed through the guide component, thereby avoiding interference between the adjustment of the fixed plate and the processing of the inner ball cage. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a vertical cross-sectional schematic diagram of the utility model;

[0013] Figure 3 for Figure 2 The enlarged schematic diagram of part A in the middle;

[0014] Figure 4 It is a partial cross-sectional schematic diagram of the fixing plate of the utility model.

[0015] In the figure: 1 fixed seat, 2 inner ball cage mold, 3 limit groove, 4 sliding block, 5 guide column, 6 guide cylinder, 7 fixed plate, 8 extrusion block, 9 fixed frame, 10 vertical slide groove, 11 connecting groove, 12 vertical slide block, 13 threaded groove, 14 adjusting screw, 15 handle. Implementation

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] Reference Figure 1-Figure 4 As shown, a mold structure for improving the coaxiality of the inner ball cage comprises: a fixed seat 1, an inner ball cage mold 2 is installed on the fixed seat 1, a guide assembly, a plurality of guide assemblies are connected to the bottom with sliding structures, a plurality of sliding structures are connected to the fixed seat 1, and the top is fixedly connected with the same fixed plate 7, an extrusion block 8 is installed at the bottom of the fixed plate 7, the extrusion block 8 cooperates with the inner ball cage mold 2, the sliding structure comprises a limit groove 3 and a sliding block 4, a plurality of limit grooves 3 are opened at the top of the fixed seat 1, a plurality of limit grooves 3 are slidably connected with the sliding blocks 4, a plurality of guide assemblies are fixedly connected to the plurality of sliding blocks 4 in a one-to-one correspondence at the bottom, the guide assembly comprises a guide column 5 and a guide cylinder 6, a plurality of guide columns 5 are fixedly connected to the sliding blocks 4 at the bottom , the tops of multiple guide columns 5 are coaxially slidably connected with guide cylinders 6, and the tops of multiple guide cylinders 6 are fixedly connected to the fixed plate 7. The adjustment component includes a fixed frame 9, a vertical slider 12, a threaded groove 13 and an adjusting screw 14. The fixed frame 9 is fixedly connected to the fixed seat 1, and the inner circumference of the fixed frame 9 is clearance-matched with the outer circumference of the fixed plate 7. Four vertical slide grooves 10 are provided on the top of the fixed frame 9, and the vertical sliders 12 are slidably connected in the four vertical slide grooves 10. Two threaded grooves 13 are penetrated on the fixed plate 7. The two threaded grooves 13 are perpendicular to each other and are gap-distributed in the vertical direction. The two threaded grooves 13 are threadedly connected with adjusting screws 14, and the two ends of the adjusting screw 14 are rotationally connected with the two vertical sliders 12 in a one-to-one correspondence.

[0018] The fixing frame 9 is in the shape of a rectangular frame, wherein four vertical sliding grooves 10 are distributed in the middle of the four sides of the rectangular frame, wherein some limiting grooves 3 are axially parallel to the long sides of the rectangular frame, and other parts of the limiting grooves 3 are axially parallel to the short sides of the rectangular frame.

[0019] The four vertical slide grooves 10 are all connected to a connecting groove 11 . The connecting groove 11 is penetrated and opened on the fixing frame 9 . The inner side of the connecting groove 11 is clearance-matched with the outer side of the adjusting screw 14 .

[0020] One end of the two adjusting screws 14 is fixedly connected to a handle 15, and both are provided with a mark. The handle 15 is used to conveniently rotate the adjusting screw 14, and the mark shows the rotation progress of the adjusting screw 14, which is convenient for users to control.

[0021] When the coaxiality of the extrusion block 8 and the inner ball cage mold 2 is being adjusted, the two adjusting screws 14 are rotated through the handle 15, and the adjusting screws 14 rotate on the vertical slider 12. Since the fixed plate 7 cannot rotate with the adjusting screws 14, the adjusting screws 14 push the fixed plate 7 to move along its axial direction through the threaded groove 13, so that under the joint action of the two mutually perpendicular adjusting screws 14, the position adjustment of the fixed plate 7 within the horizontal range is completed, so that the extrusion block 8 on the fixed plate 7 always maintains a coaxial state with the inner ball cage mold 2, which is convenient for realizing real-time adjustment effect during the processing of the inner ball cage and improving the coaxiality of the inner ball cage.

Claims

1. A mold structure for improving the coaxiality of the inner ball cage, It is characterized in that include: A fixed seat (1), on which an inner ball cage mold (2) is installed; a guide assembly, wherein the bottoms of the plurality of guide assemblies are connected to sliding structures, the plurality of sliding structures are connected to the fixed seat (1), and the tops are fixedly connected to the same fixed plate (7), the bottoms of the fixed plate (7) are installed with an extrusion block (8), and the extrusion block (8) cooperates with the inner ball cage mold (2); an adjustment assembly, wherein the adjustment assembly comprises a fixed frame (9), a vertical slide block (12), a threaded groove (13) and an adjustment screw (14), the fixed frame (9) is fixedly connected to the fixed seat (1), the inner circumference of the fixed frame (9) is clearance-matched with the outer circumference of the fixed plate (7), the top of the fixed frame (9) is provided with four vertical slide grooves (10), the four vertical slide grooves (10) are slidably connected to the vertical slide blocks (12), and two vertical slide grooves (13) are provided through the fixed plate (7). The two thread grooves (13) are perpendicular to each other and are spaced apart in the vertical direction. The two thread grooves (13) are threadedly connected with adjusting screws (14). The two ends of the adjusting screws (14) are rotatably connected to the two vertical slide blocks (12) in a one-to-one correspondence. The sliding structure comprises a limit groove (3) and a sliding block (4). A plurality of the limit grooves (3) are arranged on the top of the fixed seat (1). A plurality of the limit grooves (3) are slidably connected with the sliding blocks (4). The bottoms of the plurality of guide assemblies are fixedly connected to the plurality of sliding blocks (4) in a one-to-one correspondence. The guide assemblies comprise guide columns (5) and guide cylinders (6). The bottoms of the plurality of guide columns (5) are fixedly connected to the sliding blocks (4). The tops of the plurality of guide columns (5) are coaxially slidably connected with the guide cylinders (6). The tops of the plurality of guide cylinders (6) are fixedly connected to the fixed plate (7).

2. A mold structure for improving the coaxiality of the inner ball cage according to claim 1, It is characterized in that The fixing frame (9) is in the shape of a rectangular frame, wherein four vertical sliding grooves (10) are distributed in the middle of the four sides of the rectangular frame, wherein some of the limiting grooves (3) are axially parallel to the long side direction of the rectangular frame, and other parts of the limiting grooves (3) are axially parallel to the short side direction of the rectangular frame.

3. A mold structure for improving the coaxiality of the inner ball cage according to claim 2, It is characterized in that The four vertical sliding grooves (10) are all connected to a connecting groove (11), and the connecting groove (11) is penetrated and opened on the fixing frame (9), and the inner side of the connecting groove (11) is clearance-matched with the outer side of the adjusting screw rod (14).

4. A mold structure for improving the coaxiality of the inner ball cage according to claim 1, It is characterized in that One end of each of the two adjusting screws (14) is fixedly connected to a handle (15), and each is provided with a mark.

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