CN210231246U

CN210231246U - Continuous die for radial thrust bearing outer ring

Info

Publication number: CN210231246U
Application number: CN201921187530.6U
Authority: CN
Inventors: Weidong Lu; 陆卫东
Original assignee: Suzhou Yuanhe Bearing Co Ltd
Current assignee: Suzhou Yuanhe Bearing Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-03
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a continuous die for an outer ring of a radial thrust bearing, which comprises a concave die fixing plate, an upper ejecting plate and a punching die fixing plate; the lower surface of the concave die fixing plate is provided with a lower ejector plate; A lower die fixing plate is arranged; an upper die fixing plate is arranged on the upper surface of the punch fixing plate; a pulling punch, a second punching punch, a third punching punch, a punching punch and a shaping punch are arranged on the punch fixing plate in sequence. The punch, hole-repairing punch and edge-cutting punch pass through the upper return plate, and are respectively connected with the first-drawing punch, the second-pulling punch, the third-pulling punch, the punching punch and the shaping punch on the fixing plate The die, the hole-repairing die and the trimming die are matched; the size of the head end of the first drawing punch is the same as that of the second drawing punch. The design of the mold in this case cancels the positioning pin, which reduces the processing difficulty of the mold; the punch of the mold is used to position the parts, and there is no positioning pin hole on the material belt, which expands the effective width, improves the utilization rate of materials, and saves raw materials.

Description

Continuous die for radial thrust bearing outer ring

Technical Field

The utility model relates to a mould of processing radial thrust bearing outer lane.

Background

At present, in the existing processing mode of the centripetal thrust bearing outer ring, as shown in fig. 5, a profile modeling positioning pin 01 drives a strip to move, so that the center of a workpiece 02 (the strip is connected with parts into a whole) is ensured, and the positioning requirement of each station of the workpiece is met. The method has the disadvantages that the width of the belt material is increased when the positioning pin holes are processed on the belt material, the width of the raw material of the mold produced at present is 48mm, the actual material using size is 33.6mm, the effective working size is 40mm, and 8mm of the material is wasted. The pin holes are processed on the die, so that the positioning precision can be ensured only when the precision requirement is higher.

Disclosure of Invention

The utility model discloses the purpose is: the positioning pin is omitted, the part is guided to be self-positioned by the aid of the male die, the material utilization rate is improved under the condition that the product quality is guaranteed, and energy is saved.

The technical scheme of the utility model is that: a continuous die for an outer ring of a radial thrust bearing comprises a female die fixing plate, an upper stripper plate and a male die fixing plate; a lower ejector plate is arranged on the lower surface of the female die fixing plate; the lower part of the lower ejector plate is provided with a lower die fixing plate; a plurality of lower stripper plate springs are arranged between the lower stripper plate and the lower die fixing plate; an upper die fixing plate is arranged on the upper surface of the male die fixing plate; the punch fixing plate is sequentially provided with a first pulling punch, a second pulling punch, a third pulling punch, a punching punch, a shaping punch, a hole trimming punch and a trimming punch; the first drawing male die, the second drawing male die, the third drawing male die, the punching male die, the shaping male die, the hole trimming male die and the edge trimming male die penetrate through the upper stripper plate and are respectively matched with the first drawing female die, the second drawing female die, the third drawing female die, the punching female die, the shaping female die, the hole trimming female die and the edge trimming female die which are arranged on the female die fixing plate; the size of the tail end of the head part of the first drawing male die is the same as that of the second drawing male die; an upper material returning spring is arranged between the upper material returning plate and the upper die fixing plate; and ejector rods are arranged at positions on the lower ejector plate corresponding to the two-pull female die, the three-pull female die, the punching female die and the shaping female die.

Preferably, the lower part of the female die fixing plate is provided with a lower backing plate.

Preferably, the lower ejector plate is provided with an ejector rod positioning plate.

Preferably, an upper backing plate is arranged between the male die fixing plate and the upper die fixing plate.

Preferably, a punch retainer bolt is arranged between the punch retainer and the upper die retainer.

Preferably, an upper stripper plate fixing bolt is arranged between the punch fixing plate and the upper stripper plate.

Preferably, the punch retainer is provided with a guide pillar.

The utility model has the advantages that:

1. the die is provided with a positioning pin, so that the processing difficulty of the die is reduced;

2. the male die of the die is used for positioning the part, and the material belt is not provided with positioning pin holes, so that the effective width is enlarged, the utilization rate of the material is improved, and the raw material is saved.

Drawings

The invention will be further described with reference to the following drawings and examples:

FIG. 1 is a schematic view of a main structure of a radial thrust bearing outer ring continuous mold according to the present invention;

FIG. 2 is a schematic drawing showing the processing and dimension of a drawing die and a material belt (processed part) of the continuous die for the outer ring of the radial thrust bearing;

FIG. 3 is a schematic diagram of the machining and dimension of a secondary drawing punch and a material belt (a machined part) of the continuous die for the outer ring of the radial thrust bearing;

FIG. 4 is a schematic view of a material belt structure and corresponding processes of a radial thrust bearing outer ring continuous mold according to the present disclosure;

FIG. 5 is a schematic diagram of a prior art material belt structure and corresponding process;

wherein: 1. fixing a female die plate; 2. feeding a material returning plate; 3. a male die fixing plate; 4. a material belt (a processed part); 11. a lower ejector plate; 12. a lower die fixing plate; 13. a lower stripper plate spring; 14. a drawing concave die; 15. drawing the female die twice; 16. three-drawing a female die; 17. punching a female die; 18. shaping a female die; 19. repairing a hole female die; 110. trimming the female die; 111. ejecting the rod; 112. a lower base plate; 113. a knock-out pin positioning plate; 31. an upper die fixing plate; 32. a drawing male die; 33. secondary drawing of a male die; 34. three-drawing male die; 35. punching a male die; 36. shaping a male die; 37. repairing a hole male die; 38. trimming male dies; 39. feeding a material returning spring; 310. an upper base plate; 311. a male die fixing plate bolt; 312. an upper stripper plate fixing bolt; 313. and (6) a guide pillar.

Detailed Description

Example (b):

as shown in the attached figures 1-4, the continuous die for the centripetal thrust bearing outer ring comprises a female die fixing plate 1, an upper stripper plate 2 and a male die fixing plate 3; the lower surface of the female die fixing plate 1 is provided with a lower ejector plate 11; the lower part of the lower ejector plate 11 is provided with a lower die fixing plate 12; a plurality of lower stripper plate springs 13 are arranged between the lower stripper plate 11 and the lower die fixing plate 12; an upper die fixing plate 31 is arranged on the upper surface of the male die fixing plate 3; the punch retainer plate 3 is sequentially provided with a first drawing punch 32, a second drawing punch 33, a third drawing punch 34, a punching punch 35, a shaping punch 36, a hole trimming punch 37 and a trimming punch 38; the first drawing convex die 32, the second drawing convex die 33, the third drawing convex die 34, the punching convex die 35, the shaping convex die 36, the trimming convex die 37 and the trimming convex die 38 penetrate through the upper stripper plate 2 and are respectively matched with the first drawing concave die 14, the second drawing concave die 15, the third drawing concave die 16, the punching concave die 17, the shaping concave die 18, the trimming concave die 19 and the trimming concave die 110 which are arranged on the concave die fixing plate 1; the size D of the head end of the first drawing punch 32 is the same as the size D of the second drawing punch 33; an upper material returning spring 39 is arranged between the upper material returning plate 2 and the upper die fixing plate 31; ejector rods 111 are arranged on the lower ejector plate 11 at positions corresponding to the two-pull female die 15, the three-pull female die 16, the punching female die 17 and the shaping female die 18; a lower backing plate 112 is arranged at the lower part of the female die fixing plate 1; the lower ejector plate 11 is provided with an ejector rod positioning plate 113; an upper backing plate 310 is arranged between the male die fixing plate 3 and the upper die fixing plate 31; a male die fixing plate bolt 311 is arranged between the male die fixing plate 3 and the upper die fixing plate 31; an upper stripper plate fixing bolt 312 is arranged between the punch retainer plate 3 and the upper stripper plate 2; the male die fixing plate 3 is provided with a guide post 313 which is matched with a guide post hole on the female die fixing plate 1 to play a role in guiding.

The specific working principle is as follows: the material belt 4 is formed by stamping processing through seven stations through a die; after the whole set of die is assembled, the material belt 4 passes through the die, the material belt 4 is preprocessed and molded by the first drawing male die 32 station, the size of the tail end of the head of the first drawing male die 32 is the same as that of the second drawing male die 33, when the material belt 4 reaches the second drawing male die 33 again, the center of a part of the material belt 4 is automatically guided, so that the guiding and positioning precision of the male dies is guaranteed, and the material belt is finally molded by seven stations. The die is free of positioning pins and the material belt 4 is free of positioning pin holes, so that the effective use width of the material belt is increased, the utilization rate of materials is improved, the matching of the positioning pin holes and the positioning pins is avoided, the difficulty in die processing is reduced, the die is automatically positioned by the male die, and the quality of products is guaranteed.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical concepts of the present invention be covered by the claims of the present invention.

Claims

1. A continuous die for the outer ring of a radial thrust bearing, characterized in that: it comprises a concave die fixing plate, an upper stripping plate and a punching die fixing plate; the lower surface of the concave die fixing plate is provided with a lower top plate; the The lower part of the lower top plate is provided with a lower die fixing plate; a number of lower ejector plate springs are arranged between the lower top plate and the lower die fixing plate; the upper surface of the punch fixing plate is provided with an upper die fixing plate; the A punching punch, a second punching punch, a third punching punch, a punching punch, a shaping punch, a hole repair punch and a trimming punch are arranged on the punch fixing plate in sequence; the first punching punch, the second punching punch, the third punching punch The drawing punch, punching punch, shaping punch, hole repairing punch and edge trimming punch pass through the upper return plate, and are respectively connected with the first punching punch, the second punching punch, the third punching punch, and the punching punch set on the die fixing plate. The hole die, the shaping die, the hole repairing die and the trimming die are matched; the size of the head end of the first drawing punch is the same as that of the second drawing punch; the upper stripping plate and the upper die are fixed An upper return spring is arranged between the plates; an ejector rod is arranged on the lower ejector plate at the positions corresponding to the two-pulling concave die, the three-pulling concave die, the punching concave die, and the shaping concave die.

2 . The continuous mold for the outer ring of a radial thrust bearing according to claim 1 , wherein a lower backing plate is arranged on the lower part of the fixing plate of the female mold. 3 .

3 . The continuous mold for the outer ring of a radial thrust bearing according to claim 1 , wherein the lower ejector plate is provided with an ejector rod positioning plate. 4 .

4 . The continuous mold for the outer ring of a radial thrust bearing according to claim 1 , wherein an upper backing plate is arranged between the punch fixing plate and the upper die fixing plate. 5 .

5 . The continuous die for the outer ring of a radial thrust bearing according to claim 1 , wherein a punch fixing plate bolt is arranged between the punch fixing plate and the upper die fixing plate. 6 .

6 . The continuous die for the outer ring of a radial thrust bearing according to claim 1 , wherein a fixing bolt for the upper stripping plate is arranged between the punch fixing plate and the upper stripping plate. 7 .

7 . The continuous die for the outer ring of a radial thrust bearing according to claim 1 , wherein a guide post is provided on the fixing plate of the punch. 8 .