CN211540389U

CN211540389U - Clamp for machining center of brake bottom plate

Info

Publication number: CN211540389U
Application number: CN201922228845.7U
Authority: CN
Inventors: 徐宇; 黄�俊; 吕晓维; 刘静; 徐小兵; 韩江潮; 张志江; 徐刚; 郁冬
Original assignee: Jingjiang Hengda Automobile Parts Manufacturing Co ltd
Current assignee: Jingjiang Hengda Automobile Parts Manufacturing Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-22
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to a clamp for a brake bottom plate machining center, which comprises a base, wherein a plurality of identical stations are arranged on the base in parallel; the structure of individual station is: the brake device comprises a supporting mechanism arranged at the front end part of a base, a clamping mechanism is arranged on the base behind the supporting mechanism, and the supporting mechanism and the clamping mechanism jointly support and fix a brake bottom plate; the base positioned at the two sides of the supporting mechanism is provided with a pressing mechanism; the braking bottom plate is centered and limited in the front and back directions through the V-shaped block I and the V-shaped block II, then the air cylinder applies force to the pressing plate and the oil cylinder through the pull rod to rotate the pressing block, so that the pressing plate and the pressing block apply downward pressure from the front end and the rear end of the braking bottom plate simultaneously, and the braking bottom plate is completely positioned and clamped, so that the braking bottom plate can be machined in a machining center. The utility model discloses a braking bottom plate's a location clamping has practiced thrift manual work and equipment input, greatly helping hand and ensured production efficiency and production quality's improvement.

Description

Clamp for machining center of brake bottom plate

Technical Field

The utility model belongs to the technical field of automobile parts machining auxiliary fixtures and specifically relates to a brake bottom plate is anchor clamps for machining center.

Background

With the regulation and control of national policy, the market of trucks is continuously expanded, the demand is obviously increased, the brake is used as a core component of a truck braking system, the yield of the truck braking system is increased day by day, and the yield increase of a brake braking base plate becomes a bottleneck problem which needs to be solved. Due to the limitation of factors such as multiple processing procedures, insufficient personnel allocation, large equipment investment and the like in the prior art, the yield of the brake cannot be improved in time, and the market demand cannot be met.

In the existing production process of the brake bottom plate, a central hole and a reference surface of a numerical control vehicle are adopted, then the reference surface and the central hole are used for positioning, the shape is matched for auxiliary positioning, and then a shoe plate shaft hole, a cam shaft hole and a mounting hole are machined in a machining center, namely the brake bottom plate is machined in two steps in the existing machining process. Secondary processing has a number of problems, for example: scrap iron inevitably exists on the positioning surface during secondary positioning and clamping, so that the subsequent processing precision is ultra-poor; during secondary clamping, the mounting is difficult or even impossible due to the fact that the tolerance of the front center hole is too tight; not only causes waste of labor and time and low production efficiency, but also frequently complains about the occurrence of the problems and seriously influences the integral production rhythm of the brake.

SUMMERY OF THE UTILITY MODEL

The applicant provides a brake bottom plate machining center clamp with a reasonable structure aiming at the defects in the prior art, so that one-time clamping machining of the brake bottom plate is realized, equipment investment is reduced, labor investment is greatly saved, the clamp is in accordance with production beats, and production efficiency and production quality are greatly improved.

The utility model discloses the technical scheme who adopts as follows:

a clamp for a brake bottom plate machining center comprises a base, wherein a plurality of identical stations are arranged on the base in parallel;

the structure of individual station is: the brake device comprises a supporting mechanism arranged at the front end part of a base, wherein a clamping mechanism is arranged on the base behind the supporting mechanism, and the supporting mechanism and the clamping mechanism jointly support and fix a brake bottom plate; and the base positioned on the two sides of the supporting mechanism is provided with a pressing mechanism.

As a further improvement of the above technical solution:

the structure of the supporting mechanism is as follows: the front vertical plates are arranged at the front end of the base at intervals, a U-shaped seat is jointly arranged on the two front vertical plates, a front plate is arranged on the two front vertical plates positioned on the outer side of the end head of the U-shaped seat, a first V-shaped block is horizontally arranged on the U-shaped seat, the first V-shaped block slides back and forth along the U-shaped seat, and a spring is arranged between the front plate and the first V-shaped block; the end of the braking bottom plate is placed on the inner bottom surface of the U-shaped seat, and the first V-shaped block applies backward pressure to the braking bottom plate under the action of the spring.

A sliding groove is formed in the U-shaped seat in the front-back direction, and a protrusion matched with the sliding groove extends from the bottom of the V-shaped block.

The U-shaped seat and the top of the front plate are jointly provided with an upper plate, and the spring is accommodated in a closed space formed by the U-shaped seat, the front plate, the upper plate and the V-shaped block I.

The structure of the clamping mechanism is as follows: the device comprises rear vertical plates which are arranged at the rear end part of a base at intervals, a flat plate is arranged on the two rear vertical plates together, an air cylinder is arranged on the base positioned in the interval of the two rear vertical plates, a pull rod is arranged at the output end of the air cylinder, the pull rod upwards penetrates through the flat plate, and a clamping ring is clamped at the upper end part of the pull rod; a second V-shaped block is arranged on a flat plate positioned at the front part of the pull rod, the opening direction of the second V-shaped block faces the supporting mechanism, and the second V-shaped block supports and clamps the end part of the brake bottom plate; the flat plate positioned at the rear part of the pull rod is provided with vertical blocks in parallel, a rotating shaft is arranged by penetrating through the two vertical blocks to rotate together, and a pressing plate is sleeved on the rotating shaft positioned between the two vertical blocks; the cylinder descends and applies force to the pressure plate through the clamping ring, so that the pressure plate applies downward pressure to the brake bottom plate.

And two ends of the V-shaped block bend and extend inwards.

The pressing plate is of a V-shaped structure which is arranged in the same direction as the V-shaped block II, the pull rod penetrates out of the inner side of the pressing plate upwards, and two symmetrical ends of the pressing plate apply pressure to the braking bottom plate.

The structure of the pressing mechanism is as follows: the brake device comprises a base plate fixedly mounted with a base, wherein an oil cylinder is mounted on the base plate, a pressing block is mounted at the output end of the oil cylinder, the oil cylinder drives the pressing block to rotate, and the pressing block applies downward pressure to the end part of a brake bottom plate.

The pressing block between the two stations applies pressure to the braking bottom plates on the two stations simultaneously under the driving of the oil cylinder.

The structure of the brake bottom plate is as follows: including the bottom plate body of disc structure, the front end of bottom plate body bottom extends forward has "+" -type to buckle, bottom plate body rear end backward extension has "+" -type to buckle, the both sides edge of bottom plate body rear end and "+" -type extend between buckling have the rib.

The utility model has the advantages as follows:

the utility model has the advantages of compact and reasonable structure, and convenient operation, it is spacing around and with the centering of brake bottom plate through V type piece one and V type piece two, pass through pull rod application of force in the clamp plate by the cylinder again, the hydro-cylinder rotates the briquetting, make clamp plate and briquetting apply decurrent pressure from brake bottom plate front end and rear end simultaneously, and then with the complete positioning clamping of brake bottom plate, realize its characteristic processing of a clamping completion current twice process, the process transport time has been reduced, the equipment investment has been reduced, the manual work has been practiced thrift, and the production efficiency is greatly improved, and effectively guaranteed processingquality.

The utility model discloses still include following advantage:

the brake bottom plate is subjected to integrated processing of a center hole, an axle hole, an installation hole and a reference surface by a processing center, so that the problem of out-of-plumb between the reference surface and a plurality of holes caused by secondary positioning is effectively avoided, the product quality is improved, the carrying times are reduced, and the production efficiency is improved;

a spring between the V-shaped block I and the front plate ensures the pressing action of the V-shaped block I in the front and rear axis directions, and assists the V-shaped block to be centered on the pair of brake bottom plates;

the pull rod is pulled by the cylinder, and the pressure plate is applied with force through the clamping ring, so that the pressure plate is pressed from the upper part of the brake bottom plate;

the oil cylinder drives the pressing block to rotate by 90 degrees, so that the pressing block presses the braking bottom plate.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a single station of the present invention.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is the schematic diagram of the single station clamping initial state of the present invention.

Wherein: 1. a base; 2. a rear vertical plate; 3. a flat plate; 4. a rotating shaft; 5. erecting a block; 6. pressing a plate; 7. a snap ring; 8. a pull rod; 9. braking the bottom plate; 10. an oil cylinder; 11. a front vertical plate; 12. a U-shaped seat; 13. a front plate; 14. an upper plate; 15. a first V-shaped block; 16. briquetting; 17. a V-shaped block II; 18. a cylinder; 19. a spring; 20. a base plate; 91. a bottom plate body; 92. ribs; 93. a "L" type bend; 94. a "+" -shaped bend.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the clamp for the brake base plate machining center of the embodiment includes a base 1, wherein a plurality of identical stations are arranged on the base 1 in parallel;

as shown in fig. 2, the structure of the single station is: the brake device comprises a supporting mechanism arranged at the front end part of a base 1, wherein a clamping mechanism is arranged on the base 1 behind the supporting mechanism, and the supporting mechanism and the clamping mechanism jointly support and fix a brake bottom plate 9; the base 1 positioned at the two sides of the supporting mechanism is provided with a pressing mechanism.

Supporting mechanism, fixture and hold down mechanism mutually support, have realized that one clamping of brake shoe 9 man-hour is fixed a position, have promoted the processing of the high integration of brake shoe 9, cooperate outside machining center to carry out the integrated processing of centre bore, shaft hole, mounting hole and reference surface to it, effectively avoided because of the secondary location leads to the problem that the straightness is out of tolerance that hangs down with a plurality of holes, promoted product quality, reduced the transport number of times simultaneously, improved production efficiency.

As shown in fig. 3, the supporting mechanism has the following structure: the device comprises front vertical plates 11 which are arranged at the front end part of a base 1 at intervals, U-shaped seats 12 are jointly arranged on the two front vertical plates 11, front plates 13 are arranged on the two front vertical plates 11 positioned on the outer sides of the ends of the U-shaped seats 12, a first V-shaped block 15 is horizontally arranged on the U-shaped seats 12, the first V-shaped block 15 slides back and forth along the U-shaped seats 12, and springs 19 are arranged between the front plates 13 and the first V-shaped blocks 15; the end of the brake bottom plate 9 is placed on the inner bottom surface of the U-shaped seat 12, the V-shaped block I15 exerts backward pressure on the brake bottom plate 9 under the action of the spring 19, the spring 19 ensures the pressing action of the V-shaped block I15 in the front and back axial direction, and the assistance of the V-shaped block I15 is used for centering the brake bottom plate 9.

A sliding groove is formed in the U-shaped seat 12 along the front-back direction, and a protrusion matched with the sliding groove extends from the bottom of the first V-shaped block 15.

The upper plate 14 is jointly installed on the tops of the U-shaped seat 12 and the front plate 13, and the spring 19 is accommodated in a closed space formed by the U-shaped seat 12, the front plate 13, the upper plate 14 and the V-shaped block I15, so that the performance and the service life of the spring 19 are guaranteed.

The structure of the clamping mechanism is as follows: the device comprises rear vertical plates 2 which are arranged at the rear end part of a base 1 at intervals, a flat plate 3 is arranged on the two rear vertical plates 2 together, an air cylinder 18 is arranged on the base 1 positioned in the interval of the two rear vertical plates 2, a pull rod 8 is arranged at the output end of the air cylinder 18, the pull rod 8 upwards penetrates through the flat plate 3, and a clamping ring 7 is clamped at the upper end part of the pull rod 8; a second V-shaped block 17 is arranged on the flat plate 3 positioned in front of the pull rod 8, the opening direction of the second V-shaped block 17 faces the supporting mechanism, and the second V-shaped block 17 supports and clamps the end part of the brake bottom plate 9; the flat plate 3 positioned at the rear part of the pull rod 8 is provided with upright blocks 5 in parallel, a rotating shaft 4 is arranged by penetrating through the two upright blocks 5 to rotate together, and a pressing plate 6 is sleeved on the rotating shaft 4 positioned between the two upright blocks 5; the air cylinder 18 descends and applies force to the pressure plate 6 through the clamping ring 7, so that the pressure plate 6 applies downward pressure to the brake bottom plate 9 and presses the brake bottom plate 9 from the upper side.

Two ends of the second V-shaped block 17 bend inwards to further perform contact centering on two sides of the rear end of the brake bottom plate 9.

The first V-shaped block 15 and the second V-shaped block 17 are arranged oppositely, so that the front and back limiting of the brake bottom plate 9 and the centering of two sides are realized.

The pressing plate 6 is of a V-shaped structure arranged in the same direction as the V-shaped block II 17, the pull rod 8 penetrates out of the inner side of the pressing plate 6 upwards, and two symmetrical ends of the pressing plate 6 apply downward pressure on the braking bottom plate 9.

The structure of the pressing mechanism is as follows: the brake device comprises a backing plate 20 fixedly mounted with a base 1, an oil cylinder 10 is mounted on the backing plate 20, a pressing block 16 is mounted at the output end of the oil cylinder 10, the oil cylinder 10 drives the pressing block 16 to rotate, and the pressing block 16 applies downward pressure to the end part of a brake bottom plate 9 to tightly press the brake bottom plate 9 from the top.

The pressing block 16 positioned between the two stations applies pressure to the braking bottom plates 9 on the two stations simultaneously under the driving of the oil cylinder 10.

The structure of the brake bottom plate 9 is as follows: including the bottom plate body 91 of disc structure, the front end of bottom plate body 91 bottom extends forward has "+" -type to buckle 94, and bottom plate body 91 rear end backward extension has "+" -type to buckle 93, and the both sides edge of bottom plate body 91 rear end and "+" -type are buckled and are extended between the 93 and have rib 92.

The front end of the bottom plate body 91 is placed on the inner side bottom surface of the U-shaped seat 12, the L-shaped bend 94 is located below the outer bottom surface of the U-shaped seat 12, the L-shaped bend 93 at the rear end is placed on the V-shaped block II 17, the front end and the rear end of the brake bottom plate 9 are supported and limited by the V-shaped block I15 and the V-shaped block II 17 respectively, and then the rear end and the front end of the brake bottom plate 9 are pressed downwards by the pressing plate 6 and the pressing block 16 respectively, so that the brake bottom plate 9 is completely positioned during machining.

The utility model discloses a theory of operation does:

as shown in fig. 4, the clamp ring 7 is taken down, the press plate 6 is turned outwards relative to the rotating shaft 4, and the oil cylinder 10 drives the press block 16 to turn, so that the press block 16 is positioned between the stations in parallel;

the first V-shaped block 15 is forced to move forwards and compress the spring 19, the front end part of the braking bottom plate 9 is placed on the inner bottom surface of the U-shaped seat 12, and the '+' -shaped bending part 94 is positioned below the outer bottom surface of the U-shaped seat 12; meanwhile, a 'L' -shaped bend 93 at the rear end of the brake bottom plate 9 is placed on the V-shaped block II 17;

releasing the first V-shaped block 15 to move backwards along the U-shaped seat 12 under the action of the spring 19, so that the front end of the brake bottom plate 9 is contacted with the inner side surface of the second V-shaped block 17, and the brake bottom plate 9 is clamped under the combined action of the first V-shaped block 15 and the second V-shaped block 17;

applying force to the pressing plate 6 to enable the pressing plate to turn inwards relative to the rotating shaft 4, and installing a clamping ring 7 between the pressing plate 6 and the upper end of the rotating shaft 4;

when a start button is pressed, the external controller controls the cylinder 18 and the oil cylinder 10 to work; the air cylinder 18 moves downwards to drive the clamp ring 7 to move downwards to apply force to the pressure plate 6, so that the pressure plate 6 presses the ribs 92 on the two sides of the brake bottom plate 9 from the upper part; the oil cylinder 10 drives the pressing block 16 to rotate, and then the pressing block 16 presses the front end face of the brake bottom plate 9 from the upper part, so that the brake bottom plate 9 is completely positioned and pressed;

the outer machining center works to machine and mold the center hole of the brake shoe 9, the shaft holes at the front and rear ends, the mounting holes around the center hole, and the reference surface thereof at one time.

The utility model is simple in operation, convenient to use has realized a clamping of braking bottom plate, and effective helping hand has improved machining efficiency and processingquality greatly in machining center to its one shot forming.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a brake bottom plate anchor clamps for machining center which characterized in that: the device comprises a base (1), wherein a plurality of identical stations are arranged on the base (1) in parallel;

the structure of individual station is: the brake device comprises a supporting mechanism arranged at the front end part of a base (1), a clamping mechanism is arranged on the base (1) behind the supporting mechanism, and the supporting mechanism and the clamping mechanism jointly support and fix a brake bottom plate (9); the base (1) positioned at the two sides of the supporting mechanism is provided with a pressing mechanism.

2. The brake spider machining center jig of claim 1, wherein: the structure of the supporting mechanism is as follows: the device comprises front vertical plates (11) which are arranged at the front end part of a base (1) at intervals, wherein U-shaped seats (12) are jointly arranged on the two front vertical plates (11), front plates (13) are arranged on the two front vertical plates (11) positioned on the outer sides of the ends of the U-shaped seats (12), V-shaped blocks I (15) are horizontally arranged on the U-shaped seats (12), the V-shaped blocks I (15) slide back and forth along the U-shaped seats (12), and springs (19) are arranged between the front plates (13) and the V-shaped blocks I (15); the end of the brake bottom plate (9) is placed on the inner bottom surface of the U-shaped seat (12), and the V-shaped block I (15) applies backward pressure to the brake bottom plate (9) under the action of the spring (19).

3. The brake spider machining center jig of claim 2, wherein: a sliding groove is formed in the U-shaped seat (12) along the front-back direction, and a protrusion matched with the sliding groove extends from the bottom of the first V-shaped block (15).

4. The brake spider machining center jig of claim 2, wherein: an upper plate (14) is installed on the tops of the U-shaped seat (12) and the front plate (13) together, and the spring (19) is accommodated in a closed space formed by the U-shaped seat (12), the front plate (13), the upper plate (14) and the V-shaped block I (15).

5. The brake spider machining center jig of claim 1, wherein: the structure of the clamping mechanism is as follows: the device comprises rear vertical plates (2) which are arranged at the rear end part of a base (1) at intervals, a flat plate (3) is arranged on the two rear vertical plates (2) together, an air cylinder (18) is arranged on the base (1) positioned in the interval between the two rear vertical plates (2), a pull rod (8) is arranged at the output end of the air cylinder (18), the pull rod (8) upwards penetrates through the flat plate (3), and a clamping ring (7) is clamped at the upper end part of the pull rod (8); a second V-shaped block (17) is arranged on the flat plate (3) positioned at the front part of the pull rod (8), the opening direction of the second V-shaped block (17) faces the supporting mechanism, and the second V-shaped block (17) supports and clamps the end part of the brake bottom plate (9); the flat plate (3) positioned at the rear part of the pull rod (8) is provided with vertical blocks (5) in parallel, a rotating shaft (4) is arranged by penetrating through the two vertical blocks (5) to rotate together, and a pressing plate (6) is sleeved on the rotating shaft (4) positioned between the two vertical blocks (5); the air cylinder (18) moves downwards and applies force to the pressure plate (6) through the clamping ring (7), so that the pressure plate (6) applies downward pressure to the brake bottom plate (9).

6. The brake spider machining center jig of claim 5, wherein: and two ends of the V-shaped block II (17) bend inwards and extend.

7. The brake spider machining center jig of claim 5, wherein: the pressing plate (6) is of a V-shaped structure which is arranged in the same direction as the V-shaped block II (17), the pull rod (8) penetrates out of the inner side of the pressing plate (6) upwards, and two symmetrical ends of the pressing plate (6) apply pressure to the braking bottom plate (9).

8. The brake spider machining center jig of claim 1, wherein: the structure of the pressing mechanism is as follows: the brake device is characterized by comprising a base plate (20) fixedly mounted with a base (1), an oil cylinder (10) is mounted on the base plate (20), a pressing block (16) is mounted at the output end of the oil cylinder (10), the oil cylinder (10) drives the pressing block (16) to rotate, and downward pressure is applied to the end part of a brake bottom plate (9) by the pressing block (16).

9. The brake spider machining center jig of claim 8, wherein: the pressing block (16) positioned between the two stations applies pressure to the braking bottom plates (9) on the two stations simultaneously under the driving of the oil cylinder (10).

10. The brake shoe machining center jig of claim 1, 2, 5 or 8, wherein: the structure of the brake bottom plate (9) is as follows: bottom plate body (91) including disc structure, the front end of bottom plate body (91) bottom extends forward and has "+" -type (94) of buckling, bottom plate body (91) rear end extends backward has "+" -type (93) of buckling, the both sides edge of bottom plate body (91) rear end and "+" -type of buckling extend between (93) have rib (92).