CN210080476U

CN210080476U - Bearing frame drilling forming die

Info

Publication number: CN210080476U
Application number: CN201920272693.8U
Authority: CN
Inventors: 恽小明; 庄佳年; 薛剑鹏; 季良; 恽文贤; 恽岳贤
Original assignee: CHANGZHOU QIAN FENG AUTO PARTS Co Ltd
Current assignee: CHANGZHOU QIAN FENG AUTO PARTS Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-02-18
Anticipated expiration: 2029-03-04

Abstract

The utility model relates to a bearing seat drilling forming die, which comprises an upper die base and a lower die base, wherein the upper die base and the lower die base are connected with a guide pillar through a guide sleeve; the lower part of a center hole stamping male die on the upper die base is connected with a center hole stamping air cylinder of which the cylinder body is fixed on the lower die base and corresponds to a center hole stamping male die fixed on the top plate; the upper part of the oil hole stamping male die is connected with an oil hole stamping cylinder of which the cylinder body is fixed on the upper die base; a top plate is arranged in a cavity at the lower end of the rotary top block, and a plurality of U-shaped grooves are formed in the outer edge of the rotary top block in an annular array; a limiting rod is fixed on the top plate, and a plurality of ejector rods are arranged below the top plate; the angle rotation control block is sleeved on a rotating shaft fixed on the lower die holder, a deflector rod is arranged on the angle rotation control block, and the angle rotation control block is driven to rotate by a driving device. The utility model has the characteristics of the simple operation, the precision is high.

Description

Bearing frame drilling forming die

Technical Field

The utility model relates to a bearing manufacturing technical field, in particular to bearing frame drilling forming die.

Background

The bearing seat is an important workpiece in mechanical manufacturing, the material of the bearing seat is mostly made of high-quality carbon structural steel, the requirements on the forming accuracy of the size, the roundness, the cylindricity and the like of an inner hole of the workpiece are high, and the bearing seat is a complex tensile member. According to the conventional forming method, the pre-forming process is that a male die is arranged on the upper part, a female die is arranged on the lower part, and the blank holder of the female die is in a right-angle shape, so that a workpiece stamped and formed by the male die and the female die with the structure is easy to crack at a U-shaped fillet, and the bottom of the workpiece is easy to deform due to the fact that the bottom of the workpiece is pushed, so that the size of the workpiece cannot meet the technical requirements, and the production efficiency is low.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, provide a bearing frame drilling forming die that simple operation, precision are high.

Realize the utility model discloses the technical scheme of purpose is: a bearing seat drilling forming die comprises an upper die holder and a lower die holder, wherein the upper die holder and the lower die holder are connected with a guide pillar through guide sleeves; the upper die base is provided with a central hole stamping male die, an oil hole stamping male die, a central hole stamping male-female die, a limiting rod, a top rod, a rotary top block and an angle rotary control block; the lower part of the central hole stamping male die is connected with a central hole stamping cylinder of which the cylinder body is fixed on the lower die holder and corresponds to a central hole stamping male die and a central hole stamping female die which are fixed on the top plate, and the outer side of the central hole stamping male die is provided with an upper male die and a lower male die; the upper part of the oil hole stamping male die is connected with an oil hole stamping cylinder of which the cylinder body is fixed on the upper die base; a top plate is arranged in a cavity at the lower end of the rotary top block, and a plurality of U-shaped grooves are formed in the outer edge of the rotary top block in an annular array; the distance between the upper surface of the top plate and the top surface of the cavity of the rotary top block is smaller than or equal to the depth of the oil hole of the bearing seat; a limiting rod is fixed on the top plate, and a plurality of ejector rods are arranged below the top plate; the angle rotation control block is sleeved on a rotating shaft fixed on the lower die holder, a deflector rod is arranged on the angle rotation control block, and the angle rotation control block is driven to rotate by a driving device; the length of the path of one circle of rotation of the shifting lever is equal to the arc length between the central lines of the adjacent U-shaped grooves.

The driving device in the technical scheme comprises a driving motor and a driving belt; the driving motor drives the angle rotation control block to rotate through the driving belt.

The driving device in the technical scheme comprises a driving motor; the driving motor is connected with the rotating shaft.

According to the technical scheme, a plurality of buffer springs are arranged between the upper fixing plate on the upper die base and the lower fixing plate on the lower die base.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses earlier through centre bore punching press terrace die and the cooperation of centre bore punching press punch-die, dash out the centre bore, centre bore punching press terrace die and centre bore punching press punch-die keep the punching press state this moment, oilhole punching press terrace die dashes out an oilhole, and at this moment, the ejector pin rises, and in the gag lever post inserted the oilhole of dashing out, the rotatory kicking block of angle rotation control block drive was rotatory, continues other oilholes of punching press, accomplishes the back, and whole mould resets, the simple operation, and the precision is high.

(2) The utility model discloses a be equipped with a plurality of buffer spring between the bottom plate on the upper fixed plate on the upper die base and the die holder, play the buffering effect.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic structural view of a driving device according to embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a driving device according to embodiment 2 of the present invention;

fig. 5 is a schematic perspective view of a driving device according to embodiment 1 of the present invention.

Detailed Description

(example 1)

Referring to fig. 1 to 5, the utility model comprises an upper die base 1 and a lower die base 2, wherein the upper die base 1 and the lower die base 2 are connected with a guide post 4 through a guide sleeve 3; the upper die holder 1 is provided with a central hole stamping male die 5, an oil hole stamping male die 6, a central hole stamping male-female die 7, a limiting rod 8, a top rod 9, a rotary top block 10 and an angle rotary control block 11; the lower part of the center hole stamping male die 5 is connected with a center hole stamping cylinder 12 of which the cylinder body is fixed on the lower die holder 2 and corresponds to a center hole stamping male die 7 fixed on the top plate 14, and the outer side of the center hole stamping male die 5 is provided with an upper convex die 23; the upper part of the oil hole stamping male die 6 is connected with an oil hole stamping cylinder 13 of which the cylinder body is fixed on the upper die holder 1; a top plate 14 is arranged in a cavity chamber at the lower end of the rotary top block 10, and a plurality of U-shaped grooves 17 are formed in the outer edge of the rotary top block 10 in an annular array; the distance between the upper surface of the top plate 14 and the top surface of the cavity of the rotary top block 10 is less than or equal to the depth of the oil hole of the bearing seat; a limiting rod 8 is fixed on the top plate 14, and a plurality of top rods 9 are arranged below the top plate; the angle rotation control block 11 is sleeved on a rotating shaft 16 fixed on the lower die holder 2, a deflector rod 15 is arranged on the angle rotation control block 11, and the angle rotation control block 11 is driven to rotate by a driving device; the path length of one rotation of the lever 15 is equal to the arc length between the centre lines of adjacent "U" shaped slots 17. An annular groove is formed in the rotary ejector block 10 corresponding to the oil hole, punched hole materials fall off, and after punching is completed once, an operator cleans the hole materials with a brush or adsorbs the hole materials with a magnetic piece.

The driving device comprises a driving motor; the drive motor is connected to the shaft 16.

A plurality of buffer springs 20 are arranged between an upper fixing plate 18 on the upper die holder 1 and a lower fixing plate 19 on the lower die holder 2.

(example 2)

The driving device comprises a driving motor 21 and a driving belt 22; the driving motor 21 drives the angle rotation control block 11 to rotate through the driving belt 22.

The utility model discloses a theory of operation does: the center hole punching male die and the center hole punching male die are matched to punch a center hole, the center hole punching male die and the center hole punching male die are kept in a punching state at the moment, the oil hole punching male die punches an oil hole, the ejector rod rises at the moment, the limiting rod is inserted into the punched oil hole, the angle rotation control block drives the rotation ejector block to rotate, other oil holes are continuously punched, and after the punching, the whole die is reset.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A bearing seat drilling forming die comprises an upper die holder (1) and a lower die holder (2), wherein the upper die holder (1) and the lower die holder (2) are connected with a guide post (4) through a guide sleeve (3); the method is characterized in that: the upper die holder (1) is provided with a central hole stamping male die (5), an oil hole stamping male die (6), a central hole stamping male-female die (7), a limiting rod (8), a top rod (9), a rotary top block (10) and an angle rotary control block (11); the lower part of the center hole stamping male die (5) is connected with a center hole stamping cylinder (12) of which the cylinder body is fixed on the lower die holder (2) and corresponds to a center hole stamping male die (7) fixed on the top plate (14), and the outer side of the center hole stamping male die (5) is provided with an upper convex die (23); the upper part of the oil hole stamping male die (6) is connected with an oil hole stamping cylinder (13) of which the cylinder body is fixed on the upper die holder (1); a top plate (14) is arranged in a cavity chamber at the lower end of the rotary top block (10), and a plurality of U-shaped grooves (17) are formed in the outer edge of the rotary top block (10) in an annular array; the distance between the upper surface of the top plate (14) and the top surface of the cavity of the rotary top block (10) is less than or equal to the depth of the oil hole of the bearing seat; a limiting rod (8) is fixed on the top plate (14), and a plurality of ejector rods (9) are arranged below the limiting rod; the angle rotation control block (11) is sleeved on a rotating shaft (16) fixed on the lower die holder (2), a deflector rod (15) is arranged on the angle rotation control block (11), and the angle rotation control block (11) is driven to rotate by a driving device; the length of the path of one turn of the deflector rod (15) is equal to the arc length between the central lines of the adjacent U-shaped grooves (17).

2. The bearing seat drilling and forming die of claim 1, wherein: the driving device comprises a driving motor (21) and a driving belt (22); the driving motor (21) drives the angle rotation control block (11) to rotate through a driving belt (22).

3. The bearing seat drilling and forming die of claim 1, wherein: the driving device comprises a driving motor; the driving motor is connected with the rotating shaft (16).

4. A bearing housing drilling forming die according to claim 2 or 3, wherein: a plurality of buffer springs (20) are arranged between an upper fixing plate (18) on the upper die holder (1) and a lower fixing plate (19) on the lower die holder (2).