CN213288410U

CN213288410U - Lower die fixing equipment for stamping

Info

Publication number: CN213288410U
Application number: CN202021642699.9U
Authority: CN
Inventors: 朱沛瑶
Original assignee: Jiashan Huacheng Oil Free Bearing Co ltd
Current assignee: Jiashan Huacheng Oil Free Bearing Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-05-28
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a lower die fixing device for stamping, which comprises a working platen, a fixing block, a butting block and a fixing plate; the working table plate is a rectangular plate, limiting grooves are formed in the top of the working table plate, the cross section of each sliding groove is in an inverted T shape, four limiting grooves are formed in the cross section of each sliding groove, the four limiting grooves are all located on the diagonal lines of the working table plate, and the outer ends of the limiting grooves are communicated with the side walls of the working table plate; the fixing block comprises a limiting part and a bearing part, wherein the cross section of the limiting part is in an inverted rectangle matched with the limiting groove, the limiting part comprises a first horizontal part and a first vertical part, and the first horizontal part and the first vertical part jointly form the limiting part; the utility model discloses the concrete size adjusting equipment of lower mould that can fix as required, whole device are in fixed back, are difficult to take place the displacement.

Description

Lower die fixing equipment for stamping

Technical Field

The utility model relates to a bearing processing equipment field specifically is a lower mould fixed equipment for stamping processing.

Background

The oilless bearing is a novel lubricated bearing with the characteristics of both a metal bearing and an oilless lubricated bearing, a metal matrix bears load, and a solid lubricating material with a special formula plays a lubricating role. The oil film has the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, is particularly suitable for occasions which are difficult to lubricate and form oil films, such as heavy load, low speed, reciprocation or swing and the like, and is not easy to be affected by water flushing and erosion and flushing of other acid liquid.

The shaft shell of the oilless bearing is punched and shaped by a die after being rolled, and the die is required to be replaced according to the type and the variety of the bearing, so that the lower die is usually fixed on a punching table top by a quick clamp; although most of the stress is vertical during the stamping process, the processed shaft housing is not completely axisymmetric although it is a cylindrical housing, and due to the existence of the upper opening or the junction, the stress in the non-vertical direction is used for bearing the lower die of the shaft housing, and the rapid clamp for fixing the lower die is displaced due to the stress and the impact in the vertical direction, so that the bolts on the rapid clamp are periodically screwed and the position of the rapid clamp is periodically adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lower mould fixed equipment for stamping processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lower die fixing device for stamping comprises a working platen, a fixing block, a butting block and a fixing plate; the working table plate is a rectangular plate, limiting grooves are formed in the top of the working table plate, the cross section of each sliding groove is in an inverted T shape, four limiting grooves are formed in the cross section of each sliding groove, the four limiting grooves are all located on the diagonal lines of the working table plate, and the outer ends of the limiting grooves are communicated with the side walls of the working table plate;

the fixing block comprises a limiting part and a bearing part, wherein the cross section of the limiting part is in an inverted rectangle matched with the limiting groove, the limiting part comprises a first horizontal part and a first vertical part, and the first horizontal part and the first vertical part jointly form the limiting part;

meanwhile, the upper end surface and the lower end surface of the inner side of the limiting groove are respectively provided with a plurality of first clamping teeth which are uniformly arranged, the upper surface of the first horizontal part of the limiting part corresponding to the first clamping teeth is respectively provided with a plurality of second clamping teeth which are uniformly arranged, and the second clamping teeth are correspondingly arranged with the first clamping teeth on the upper end surface of the inner side of the limiting groove;

the bearing part is cylindrical, wherein a first threaded hole is formed in the axis of the bearing part and penetrates through the upper end and the lower end of the bearing part; two clamping grooves which are parallel to each other are formed in the top of the bearing part and are positioned on two sides of the first threaded hole; the bottom of the bearing part is also provided with a plurality of third clamping teeth, the plurality of third clamping teeth are arranged in an annular array by taking the axis of the bearing part as the center, the center of the top of the first vertical part is provided with a second threaded hole, the second threaded hole is arranged corresponding to the first threaded hole, the bottom of the bearing part is also provided with a plurality of fourth clamping teeth, and the plurality of fourth clamping teeth are arranged in an annular array by taking the axis of the second threaded hole as the center; the third latch and the fourth latch are correspondingly arranged; the first threaded hole and the second threaded hole are connected with a first fixing screw in an internal thread mode;

the structure of the abutting block is similar to that of the limiting part, the abutting block comprises a second horizontal part and a second vertical part, the lower surface of the second horizontal part is provided with a plurality of uniformly arranged fifth clamping teeth, and the fifth clamping teeth are arranged corresponding to the first clamping teeth on the lower end surface of the inner side of the limiting groove; a limiting shaft is integrally formed at the top of the second vertical part;

the tail end of the fixed plate is integrally formed with an arc-shaped part, an arc-shaped groove is formed in the arc-shaped part, the limiting shaft is located in the arc-shaped groove, and a reinforcing rib is arranged at the top of the fixed plate and arranged along the length direction of the fixed plate; meanwhile, the bottom of the fixing plate is also provided with a clamping strip matched with the clamping groove along the length direction; a horizontal groove is formed in the fixing plate along the direction of the fixed length, and the first fixing screw penetrates through the horizontal groove.

Further, the first horizontal part and the first vertical part are both waist-shaped.

Furthermore, a gasket is arranged between the first fixing screw and the fixing plate.

Further, the working table plate can also be a circular plate.

Still further, the limiting groove on the working table plate is positioned on two mutually perpendicular diameters of the working table plate.

Compared with the prior art, the beneficial effects of the utility model are that: the equipment can be adjusted according to the specific size of the lower die which is required to be fixed, meanwhile, the angle of the fixing plate can be adjusted by adjusting the third clamping tooth and the fourth clamping tooth, then the lower end of the tail end of the fixing plate is enabled to be pressed against the lower die, the height of the fixing block is smaller than the height of the lower die and the height of the abutting block, the first fixing screw is screwed, at the moment, the lower die and the abutting block receive the downward pressing force, and the fixing block receives an upward force; at the moment, the third latch is inserted into the first latch, the position of the abutting block is fixed, the second latch is inserted into the first latch, the position of the fixed block is fixed, and the whole device is not easy to displace after being fixed.

Drawings

Fig. 1 is a plan view of a lower die fixing apparatus for press working.

Fig. 2 is a sectional view of a lower die fixing device for press working in the direction a-a.

Fig. 3 is a schematic structural view of a lower die fixing device for press working at a position a.

Fig. 4 is a plan view of a first vertical portion in a lower die fixing device for press working.

Fig. 5 is a plan view of a pressure receiving portion in a lower die fixing device for press working.

Fig. 6 is a bottom view of a pressure receiving portion in a lower die fixing device for press working.

Fig. 7 is a plan view of a fixing plate in a lower die fixing device for press working.

Fig. 8 is a bottom view of a fixing plate in a lower die fixing device for press working.

Fig. 9 is a front view of a fixing plate in a lower die fixing apparatus for press working.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 9, a lower die fixing apparatus for stamping includes a platen 100, a fixing block 200, an abutting block 300, and a fixing plate 400; the working table plate 100 is a rectangular plate, the top of the working table plate 100 is provided with limiting grooves 110, the cross sections of the sliding grooves are in an inverted T shape, the limiting grooves 110 are provided with four limiting grooves, the four limiting grooves 110 are all located on diagonal lines of the working table plate 100, and the outer ends of the limiting grooves 110 are communicated with the side walls of the working table plate 100;

the fixing block 200 comprises a limiting part 210 and a bearing part 240, wherein the cross section of the limiting part 210 is in an inverted rectangle matched with the limiting groove 110, the limiting part 210 comprises a first horizontal part 211 and a first vertical part 212, the first horizontal part 211 and the first vertical part 212 jointly form the limiting part 210, the first horizontal part 211 and the first vertical part 212 are both in a waist shape, and the limiting part 210 cannot rotate;

meanwhile, the upper and lower end surfaces of the inner side of the limiting groove 110 are both provided with a plurality of first latch teeth 220 which are uniformly arranged, the upper surface of the first horizontal part 211 of the limiting part 210 corresponding to the first latch teeth is both provided with a plurality of second latch teeth 230 which are uniformly arranged, wherein the second latch teeth 230 and the first latch teeth 220 on the upper end surface of the inner side of the limiting groove 110 are correspondingly arranged and can be meshed with each other;

wherein the height of the first horizontal portion 211 of the position-limiting portion 210 is less than the height of the corresponding position of the position-limiting groove 110, i.e. even if there is a latch, if there is no other constraint, the position-limiting portion 210 can move in the position-limiting groove 110;

the limiting groove 110 is used for providing the fixing block 200 with the constraint in the left and right directions of the limiting groove 110, and meanwhile, the second latch 230 and the first latch 220 can provide the constraint in the length direction of the limiting groove 110 after the fixing block 200 obtains an upward force;

the bearing part 240 is in a cylindrical shape, wherein a first threaded hole 241 is formed in the axis of the bearing part 240, and the first threaded hole 241 penetrates through the upper end and the lower end of the bearing part 240; the top of the bearing part 240 is provided with two parallel clamping grooves 242 at two sides of the first threaded hole 241;

the bottom of the pressure-bearing part 240 is further provided with a plurality of third latches 243, the plurality of third latches 243 are arranged in an annular array with the axis of the pressure-bearing part 240 as the center,

a second threaded hole 213 is formed in the center of the top of the first vertical portion 212, the second threaded hole 213 is arranged corresponding to the first threaded hole 241, a plurality of fourth latches 214 are further arranged at the bottom of the bearing portion 240, and the plurality of fourth latches 214 are arranged in an annular array with the axis of the second threaded hole 213 as the center; the third latch 243 and the fourth latch 214 are correspondingly arranged, that is, the teeth of the third latch 243 can be latched between the teeth of the fourth latch 214;

the first fixing screw 250 is connected with the first threaded hole 241 and the second threaded hole 213 in an internal thread manner, and after the pressure-bearing part 240 and the first vertical part 212 are screwed down by the first fixing screw 250, the third latch 243 is matched with the fourth latch 214, so that the pressure-bearing part 240 and the first vertical part 212 cannot rotate;

the structure of the abutting block 300 is similar to that of the limiting part 210, the abutting block 300 comprises a second horizontal part 310 and a second vertical part 320, the second horizontal part 310 and the second vertical part 320, the lower surface of the second horizontal part 310 is provided with a plurality of uniformly arranged fifth latch teeth 311, and the fifth latch teeth 311 are correspondingly arranged with the first latch teeth 220 on the lower end surface of the inner side of the limiting groove 110 and can be meshed with each other; a limit shaft 330 is integrally formed at the top of the second vertical portion 320;

an arc-shaped part 401 is integrally formed at the tail end of the fixing plate 400, an arc-shaped groove 402 is formed in the arc-shaped part 401, the limiting shaft 330 is located in the arc-shaped groove 402, a reinforcing rib 403 is arranged at the top of the fixing plate 400, the reinforcing rib 403 is arranged along the length direction of the fixing plate 400, and meanwhile, the reinforcing rib 403 is also arranged on the arc-shaped part 401; meanwhile, the bottom of the fixing plate 400 is also provided with a clamping strip 404 matched with the clamping groove 242 along the length direction; the fixing plate 400 is further provided with a horizontal groove 405 along the direction of a fixed length, the first fixing screw 250 penetrates through the horizontal groove 405, and a gasket is arranged between the first fixing screw 250 and the fixing plate 400;

the utility model discloses during the use, the specific size of the lower mould 900 that fixes as required, adjust the position of fixed block 200 and butt piece 300, take the position to confirm the back, adjust the position of fixed plate 400 for fixed block 200 simultaneously, the angle of the regulation fixed plate 400 through adjusting third latch 243 and fourth latch 214 simultaneously, then make the terminal lower extreme of fixed plate 400 compress tightly lower mould 900, the height of fixed block 200 should be less than the height of lower mould 900 and butt piece 300, screw first set screw 250, at this moment, the power of pushing down is received to lower mould 900 and butt piece 300, fixed block 200 receives an upward power; at this time, the third latch 243 is inserted into the first latch, the position of the abutting block 300 is fixed, the second latch is inserted into the first latch, the position of the fixing block 200 is fixed, and the whole device is not easy to displace after being fixed.

Specifically, the work table plate 100 may have other shapes, the work table plate 100 may also be a circular plate, and correspondingly, the limiting groove 110 on the work table plate 100 is located on two mutually perpendicular diameters of the work table plate 100.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A lower die fixing device for stamping comprises a working platen, a fixing block, a butting block and a fixing plate; the working table is characterized in that the working table plate is a rectangular plate, the top of the working table plate is provided with limiting grooves, the cross section of each sliding groove is in an inverted T shape, the limiting grooves are provided with four limiting grooves, the four limiting grooves are all positioned on the diagonal lines of the working table plate, and the outer ends of the limiting grooves are communicated with the side wall of the working table plate;

2. The lower die fixing apparatus for press working according to claim 1, wherein the first horizontal portion and the first vertical portion are each kidney-shaped.

3. The lower die fixing apparatus for press working according to claim 1, wherein a washer is provided between the first fixing screw and the fixing plate.

4. The lower die fixing apparatus for press working according to claim 1, wherein the work table plate is a circular plate.

5. The lower die fixing device for punching according to claim 4, wherein the limiting groove on the work table is located on two mutually perpendicular diameters of the work table.