CN211277277U - Main tooth inner bearing inner ring press fitting mould - Google Patents

Abstract

The utility model discloses a main gear inner bearing inner ring press fitting clamping fixture, wherein two ends of a bottom plate are provided with baffles; two sliding rails are arranged on the bottom plate; the wear-resisting plate is fixed in the groove of the bottom plate; four sliding seats are arranged below the moving plate and are in sliding fit with the sliding rails; a through hole is formed in the centers of the moving plate and the material supporting plate, six through grooves are formed in the moving plate, and six insertion holes are formed in the corresponding positions of the material supporting plate; the material supporting rod is inserted into the through groove, a spring is sleeved in the material supporting rod, the material supporting rod is fixed on the material supporting plate through a bolt, sleeves are arranged in through holes of the material supporting plate and the movable plate, cushion blocks are arranged in the sleeves, and the upper portions of the cushion blocks are cylindrical cavities; the lower pressure head is a cylinder with a through hole at the center, the lower part is in a step diameter-changing form, and a cushion block is inserted into the lower pressure head to be matched with the lower pressure head; the upper end of the lower pressure head is in a cone frustum shape; the upper pressure head is inserted into the through hole of the lower pressure head; the advantages are that: labour saving and time saving transports the press below with the main reducer casing is fixed, and accurate location makes interior clamping ring installation accurate, firm, has reduced the rework that can not install the position production, simple structure, low in cost, the operation of being convenient for.

Description

Main tooth inner bearing inner ring press fitting mould

The technical field is as follows:

the utility model belongs to the technical field of the car mold processing, a main tooth inner bearing inner ring pressure equipment mould is related to.

Background art:

when the inner bearing inner pressure ring of the main gear in the automobile main reducer shell is installed, a worker usually needs to manually move the main reducer shell to a workbench of a press machine and automatically press and assemble the main reducer shell to the press head, and the method cannot accurately position the main reducer shell, is very labor-consuming and inconvenient to operate and has the risk of improper press and assembly; how to fix the main reducer casing with time and labor conservation, convey to the press below, accurate location, make the interior clamping ring install accurate, firm just become the problem that must consider.

Disclosure of Invention

The utility model aims at providing a main tooth inner bearing inner ring pressure equipment mould can labour saving and time saving fix the main reducer casing to transport the press below, accurate location makes the installation of interior clamping ring accurate, firm, has reduced because the rework that interior clamping ring installation does not put in place and produce, simple structure, low in cost, the operation of being convenient for simultaneously.

In order to achieve the above purpose, the utility model provides a technical scheme is: it includes: bottom plate, slide rail, socket head cap screw, bolt, characterized by: the bottom plate is a cuboid, an inner baffle and an outer baffle are vertically arranged on two end faces of the bottom plate, and the inner baffle and the outer baffle are fixedly connected with the bottom plate through inner hexagon screws; two sliding rails are horizontally and uniformly arranged on the upper surface of the bottom plate and are fixedly connected with the bottom plate by hexagon socket head cap screws; one sides of the inner center positions of the two sliding rails on the upper surface of the bottom plate are provided with grooves, and the wear-resisting plates are fixed in the grooves through hexagon socket head cap screws; the lower surface of the moving plate is connected with four sliding seats by hexagon socket head cap screws at the position corresponding to the sliding rail, and the lower surface of each sliding seat is provided with a horizontal groove which is in sliding fit with the sliding rail; an upper through hole and a lower through hole are vertically formed in the center of the movable plate, six stepped reducing through grooves are uniformly and vertically formed in the movable plate, and the diameter of the middle of each stepped reducing through groove is smaller than that of the upper part and that of the lower part; the material supporting rod is a cylinder, the lower end of the material supporting rod is a cylindrical head, the diameter of the cylindrical head is larger than that of the material supporting rod, the upper end of the material supporting rod is an insertion head in a stepped reducing form, and a bolt hole is vertically formed in the insertion head; the center of the retainer plate is provided with a vertical upper through hole and a vertical lower through hole at the position corresponding to the center of the movable plate, and the retainer plate is provided with six insertion holes at the position corresponding to the stepped reducing through groove of the movable plate; the material supporting rod is inserted from the lower end of the stepped reducing through groove, the cylindrical head of the material supporting rod props against the reducing end face at the lower part of the stepped reducing through groove, the material supporting rod is sleeved with the spring, and the insertion head of the material supporting rod is inserted into the insertion hole of the material supporting plate and is fixed by a bolt; a cylindrical sleeve is arranged in a central through hole of the material supporting plate and the moving plate, the sleeve is in interference fit with the moving plate, and the top end of the sleeve is in clearance fit with the material supporting plate; a cylindrical cushion block is inserted into the sleeve in a clearance fit manner, and a cylindrical cavity is arranged at the upper part of the cushion block; the lower pressure head is a cylinder, the center of the cylinder is provided with a vertical upper through hole and a vertical lower through hole, the lower part of the lower pressure head is in a step diameter-changing form, and the lower pressure head is inserted into and matched with the cylindrical cavity of the cushion block; the upper end of the lower pressure head is in a cone frustum shape; insert the pressure head depression bar in the through-hole of pressure head down, it divide into pressure head and depression bar to go up the pressure head, and the depression bar is the cylinder, and the lower extreme shape of pressure head is symmetrical with the top of pressure head down, go up pressure head integrated into one piece.

The utility model has the effects that: can labour saving and time saving fix the main reducer casing to transport the press below, accurate location makes the installation of interior clamping ring accurate, firm, has reduced because the installation of interior clamping ring does not in place and the rework that produces, simple structure, low in cost, the operation of being convenient for simultaneously.

Drawings

FIG. 1 is a schematic view of a press-fitting mold structure for an inner ring of a bearing in a main gear

FIG. 2 is an assembly diagram of a main gear inner bearing inner ring press-fitting mold

FIG. 3 is a top view of a pressing fixture for inner bearing rings of main teeth

FIG. 4 is a schematic view of a material supporting rod of a press fitting clamping fixture for an inner ring of a main gear inner bearing

FIG. 5 is a schematic view of an upper pressure head of a main gear inner bearing inner ring press-fitting mold

FIG. 6 is a sectional view of a main gear inner bearing inner ring press-fitting mold B-B

In the figure: 1. an inner baffle; 2. a sliding seat; 3. a stepped reducing through groove; 4. a material supporting plate; 5. a bolt; 6. cushion blocks; 7. a lower pressure head; 8. an upper pressure head; 9. a sleeve; 10. a spring; 11. a material supporting rod; 12. moving the plate; 13. a socket head cap screw; 14. a wear plate; 15. a slide rail; 16. a base plate; 17. an outer baffle; 8-1, pressing head; 8-2, a pressure lever; 11-1. a cylindrical head; 11-2. insertion head; 11-3 bolt holes; 18. a press machine; 19. a bearing inner ring 1; 20. a bearing inner ring 2; 21. the main reducer casing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-6, the bottom plate 16 is a cuboid, an inner baffle 1 and an outer baffle 17 are vertically arranged on two end faces of the bottom plate 16, and the inner baffle 1 and the outer baffle 17 are fixedly connected with the bottom plate 16 through inner hexagon screws 13; two slide rails 15 are uniformly arranged on the upper surface of the bottom plate 16 in a horizontal manner and are fixedly connected with the bottom plate 16 by using hexagon socket head cap screws 13; a groove is formed in one side of the inner center positions of the two sliding rails 15 on the upper surface of the bottom plate 16, and the wear-resisting plate 14 is fixed in the groove through an inner hexagon screw 13; the lower surface of the moving plate 12 is connected with four sliding seats 2 at the positions corresponding to the sliding rails 15 through hexagon socket head cap screws 13, and the lower surface of each sliding seat 2 is provided with a horizontal groove which is in sliding fit with the corresponding sliding rail 15; an upper through hole and a lower through hole are vertically formed in the center of the movable plate 12, six stepped reducing through grooves 3 are uniformly and vertically formed in the movable plate 12, and the diameters of the middle parts of the stepped reducing through grooves 3 are smaller than those of the upper parts and the lower parts; the material supporting rod 11 is a cylinder, the lower end of the material supporting rod is provided with a cylindrical head 11-1, the diameter of the cylindrical head 11-1 is larger than that of the material supporting rod 11, the upper end of the material supporting rod 11 is provided with a stepped reducing type insertion head 11-2, and a bolt hole 11-3 is vertically arranged in the insertion head 11-2; the center of the retainer plate 4 is provided with vertical upper and lower through holes at the position corresponding to the center of the movable plate 12, and the retainer plate 4 is provided with six insertion holes at the position corresponding to the stepped reducing through groove 3 of the movable plate; the material supporting rod 11 is inserted from the lower end of the stepped reducing through groove 3, the cylindrical head 11-1 of the material supporting rod 11 props against the reducing end face at the lower part of the stepped reducing through groove 3, the material supporting rod 11 is sleeved into the spring 10, and the insertion head 11-2 of the material supporting rod 11 is inserted into the insertion hole of the material supporting plate 4 and is fixed by the bolt 5; a cylindrical sleeve 9 is arranged in a central through hole of the material supporting plate 4 and the moving plate 12, the sleeve 9 and the moving plate 12 are in interference fit, and the top end of the sleeve 9 and the material supporting plate 4 are in clearance fit; the cylindrical cushion block 6 is inserted into the sleeve 9 in a clearance fit manner, and a cylindrical cavity is arranged at the upper part of the cushion block 6; the lower pressure head 7 is a cylinder, the center of the cylinder is provided with a vertical upper through hole and a vertical lower through hole, the lower part of the lower pressure head 7 is in a step diameter-changing form, and the lower part of the lower pressure head is inserted into and matched with the cylindrical cavity of the cushion block 6; the upper end of the lower pressure head 7 is in a cone frustum shape; an upper pressure head pressing rod 8-2 is inserted into a through hole of the lower pressure head 7, the upper pressure head is divided into a pressure head 8-1 and a pressing rod 8-2, the pressing rod 8-2 is a cylinder, the shape of the lower end of the pressure head 8-1 is symmetrical to that of the top end of the lower pressure head 7, and the upper pressure head 8 is integrally formed.

The bottom plate 16 is fixed below the press machine 18, oil is coated on the upper surface of the bottom plate 16, the moving plate 12 is moved to the outer side and is close to the outer baffle 17, the upper pressure head 8 is pulled out, the bearing inner ring 119 is sleeved on the side surface of an upper end frustum of the lower pressure head 7, the main reducer shell 21 is sleeved on a mould by using a single-arm crane, the bearing inner ring 220 is placed into the bearing inner ring 220, the upper pressure head 8 is inserted into the bearing inner ring 220 to press the bearing inner ring 220, the moving plate 12 is pushed to the inner baffle 1, the cushion block 6 can freely slide on the bottom plate 16 due to the oil coating on the bottom plate 16, the upper pressure head 8 is aligned with the press machine 18, press fitting is started, the material supporting plate 4 and the material supporting rod 11 sink in the press fitting process, after the press machine 18 is completely pressed, the spring 10 returns, the moving plate 12 is pushed to move to the outer baffle.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (1)

1. A press fitting clamping fixture for an inner ring of a main gear inner bearing comprises: bottom plate, slide rail, socket head cap screw, bolt, characterized by: the bottom plate is a cuboid, an inner baffle and an outer baffle are vertically arranged on two end faces of the bottom plate, and the inner baffle and the outer baffle are fixedly connected with the bottom plate through inner hexagon screws; two sliding rails are horizontally and uniformly arranged on the upper surface of the bottom plate and are fixedly connected with the bottom plate by hexagon socket head cap screws; one sides of the inner center positions of the two sliding rails on the upper surface of the bottom plate are provided with grooves, and the wear-resisting plates are fixed in the grooves through hexagon socket head cap screws; the lower surface of the moving plate is connected with four sliding seats by hexagon socket head cap screws at the position corresponding to the sliding rail, and the lower surface of each sliding seat is provided with a horizontal groove which is in sliding fit with the sliding rail; an upper through hole and a lower through hole are vertically formed in the center of the movable plate, six stepped reducing through grooves are uniformly and vertically formed in the movable plate, and the diameter of the middle of each stepped reducing through groove is smaller than that of the upper part and that of the lower part; the material supporting rod is a cylinder, the lower end of the material supporting rod is a cylindrical head, the diameter of the cylindrical head is larger than that of the material supporting rod, the upper end of the material supporting rod is an insertion head in a stepped reducing form, and a bolt hole is vertically formed in the insertion head; the center of the retainer plate is provided with a vertical upper through hole and a vertical lower through hole at the position corresponding to the center of the movable plate, and the retainer plate is provided with six insertion holes at the position corresponding to the stepped reducing through groove of the movable plate; the material supporting rod is inserted from the lower end of the stepped reducing through groove, the cylindrical head of the material supporting rod props against the reducing end face at the lower part of the stepped reducing through groove, the material supporting rod is sleeved with the spring, and the insertion head of the material supporting rod is inserted into the insertion hole of the material supporting plate and is fixed by a bolt; a cylindrical sleeve is arranged in a central through hole of the material supporting plate and the moving plate, the sleeve is in interference fit with the moving plate, and the top end of the sleeve is in clearance fit with the material supporting plate; a cylindrical cushion block is inserted into the sleeve in a clearance fit manner, and a cylindrical cavity is arranged at the upper part of the cushion block; the lower pressure head is a cylinder, the center of the cylinder is provided with a vertical upper through hole and a vertical lower through hole, the lower part of the lower pressure head is in a step diameter-changing form, and the lower pressure head is inserted into and matched with the cylindrical cavity of the cushion block; the upper end of the lower pressure head is in a cone frustum shape; insert the pressure head depression bar in the through-hole of pressure head down, it divide into pressure head and depression bar to go up the pressure head, and the depression bar is the cylinder, and the lower extreme shape of pressure head is symmetrical with the top of pressure head down, go up pressure head integrated into one piece.

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