CN216830484U - Positioning fixture is used in knuckle production - Google Patents

Abstract

The utility model provides a positioning clamp for steering knuckle production, which comprises a base, a first clamping piece, a second clamping piece and a fixing lug; the first clamping pieces, the second clamping pieces and the fixing lugs are all connected to the upper end face of the base, the second clamping pieces are arranged in a plurality of ways, the second clamping pieces are located on the left sides of the fixing lugs, and the first clamping pieces are located on the front sides of the second clamping pieces and the fixing lugs; the utility model discloses a fixed ear of first holder and a plurality of second holder cooperation is convenient for fix a position the centre gripping to the knuckle, and first holder and a plurality of second holders are convenient for adjust, are convenient for fix a position the centre gripping to the knuckle of different specifications.

Description

Positioning fixture is used in knuckle production

Technical Field

The utility model relates to a knuckle production technical field especially relates to a positioning fixture is used in knuckle production.

Background

The steering knuckle is one of important parts on an automobile steering axle, can make the automobile stably travel and sensitively transmit the direction of travel, the function of steering knuckle is to bear the load in the front of the automobile, support and drive the front wheel and rotate around the swizzle and make the automobile turn to, and the steering knuckle is cast in the secondary operation earlier, often can cause the metal cooling rate difference and lead to the steering knuckle to warp because the mould cooling is not enough in the casting process, although the deflection is not big, the steering knuckle also can cause the part to scrap because of tiny size difference after the secondary operation, at present, the steering knuckle mostly adopts manual clamping when processing in production, the manual clamping is time-consuming and energy-consuming, and can not discover whether the steering knuckle warp.

For example, the utility model discloses a positioning fixture for producing a steering knuckle of an automobile, which comprises a shell, wherein sliding grooves are fixedly connected with two sides of the top of the shell, a plurality of processing tables are distributed on the top of the sliding grooves, supporting tables are uniformly distributed on the bottom of the processing tables, first air cylinders are fixedly connected with the periphery of the supporting tables, a guide plate is fixedly connected with piston rods of the first air cylinders, probes are connected with the inner walls of probe limiting blocks in a sliding way, probe bosses are arranged on the outer sides of the probes, when the steering knuckle is placed on the surface of the fixture, the inner diameter and the outer diameter of a steering clamp are automatically measured, when the sizes of the inner diameter and the outer diameter of the cast steering knuckle are found to be wrong, a buzzer alarms to prompt workers, when the size of the cast steering knuckle is detected to be normal, the automatic clamping fixture is fixed for secondary processing, and the problem that the steering knuckle is scrapped after secondary processing due to casting problems is avoided, the qualified rate of parts is improved, and the qualified steering of automatic clamping size saves the manual work, has reduced manufacturing cost.

According to the patent, the problem that the steering knuckle is scrapped after secondary machining due to the casting problem is avoided, the qualified rate of parts is improved, labor is saved by automatically clamping the steering with qualified size, and the production cost is reduced; but the steering knuckle of different specifications and sizes can not be clamped and positioned, and certain limitation exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, and provide a positioning fixture is used in knuckle production.

The utility model provides a technical scheme that its technical problem adopted is: a positioning clamp for steering knuckle production comprises a base, a first clamping piece, a second clamping piece and a fixing lug; the first clamping pieces, the second clamping pieces and the fixing lugs are all connected to the upper end face of the base, the second clamping pieces are arranged in a plurality of ways, the second clamping pieces are located on the left sides of the fixing lugs, and the first clamping pieces are located on the front sides of the second clamping pieces and the fixing lugs; the first clamping piece comprises a buffer box, a placing plate is connected inside the buffer box, a sliding groove is formed in the upper end face of the placing plate, a sliding block is connected inside the sliding groove, a clamping block is connected to the upper end of the sliding block, and a pressing block matched with the clamping block is connected to the right side of the upper end face of the placing plate; the second clamping piece comprises a fixed disc, the upper end of the fixed disc is connected with a movable disc, the upper end of the movable disc is connected with a mounting plate, the right side of the mounting plate is symmetrically connected with a fixed plate in a front-back mode, one side, corresponding to the fixed plate, of each fixed plate is connected with a plurality of extension springs, and one ends, far away from the fixed plates, of the extension springs are connected with clamping plates;

according to the above technical scheme, the utility model discloses a fixed ear of first holder and a plurality of second holder cooperation is convenient for fix a position the centre gripping to the knuckle, and first holder and a plurality of second holders are convenient for adjust, are convenient for fix a position the centre gripping to the knuckle of different specifications.

Furthermore, a first threaded hole is formed in the outer wall of the buffer box, a plurality of buffer springs are connected inside the buffer box, one ends, which are not in contact with the inner wall of the buffer box, of the buffer springs are connected with the placing plate, a plurality of second threaded holes are formed in the outer wall of the placing plate, a stud is arranged inside the first threaded hole, and the stud sequentially penetrates through the first threaded hole and the second threaded hole;

by adopting the scheme, the buffer spring rebounds to drive the placing plate to reset by disassembling the stud, so that the placing plate moves upwards, the height of the placing plate is adjusted, the plate is stressed, the buffer spring is driven to contract downwards, and the stud sequentially penetrates through the first threaded hole and the second threaded hole to facilitate limiting and fixing the placing plate, so that the steering knuckles of different specifications can be placed conveniently.

Furthermore, a groove is formed in the right side of the clamping block, a plurality of through holes are formed in the upper end face of the clamping block, and the through holes are communicated with the groove;

by adopting the scheme, the pressing block is limited and fixed.

Furthermore, the pressing blocks are arranged in an inverted L shape, the pressing blocks are matched with the grooves, step holes are formed in the upper end faces of the pressing blocks, telescopic springs are connected to the inner walls of the step holes, telescopic blocks are connected to the ends, not in contact with the inner walls of the step holes, of the telescopic springs, and the telescopic blocks are matched with the through holes;

adopt above-mentioned scheme, put piece and groove connection through pressing for flexible piece atress drives expanding spring and to the shrink of step downthehole portion, when with the through-hole contact, the influence of flexible piece atress not, and expanding spring kick-backs and drives flexible piece and stretch into to the through-hole inside, thereby makes to press to put spacing fixedly between piece and the grip block.

Further, a circular groove is formed in the lower end face of the movable disc;

adopt above-mentioned scheme for connect the disc.

Furthermore, the upper end surface of the fixed disc is connected with a fixed shaft, the fixed shaft penetrates through the outer wall of the movable disc and extends into the circular groove, and one end of the fixed shaft, which is positioned in the circular groove, is connected with a circular disc;

by adopting the scheme, the fixed disc and the movable disc penetrate through the outer wall of the movable disc through the fixed shaft and extend into the circular groove, and the circular disc is connected with the circular groove, so that the movable disc can rotate conveniently.

Furthermore, an inclined table is arranged at one side corresponding to the clamping plate and at one end far away from the mounting plate, limiting holes are formed in the opposite sides of the clamping plate, a third threaded hole is formed in the outer wall of the fixing plate, a threaded shaft is arranged in the third threaded hole, and the threaded shaft penetrates through the third threaded hole and is connected with the limiting holes;

by adopting the scheme, when the steering knuckle is in contact with the clamping plate, the steering knuckle is positioned between the clamping plates conveniently through the arranged inclined table, the clamping plate is stretched and in precise contact according to the size of the steering knuckle through the arranged extension spring, and then the threaded shaft penetrates through the third threaded hole and is connected with the limiting hole through the arranged threaded shaft, so that the steering knuckle is limited and fixed and is clamped.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the utility model, the stud is disassembled, the buffer spring rebounds to drive the placing plate to reset, so that the placing plate moves upwards, the height of the placing plate is adjusted, the placing plate is stressed, the buffer spring is driven to contract downwards, and the stud sequentially penetrates through the first threaded hole and the second threaded hole, so that the placing plate is limited and fixed, and therefore steering knuckles with different specifications can be placed conveniently;

2. the utility model discloses a pressing the piece and being connected with the recess for the expansion block atress drives expanding spring to step hole inside shrink, when with the through-hole contact, the expansion block is not influenced by the atress, and expanding spring kick-backs and drives the expansion block and stretch into to the through-hole inside, makes to press between piece and the grip block spacing fixed, thereby carries out spacing centre gripping to the knuckle;

3. the utility model discloses when knuckle and grip block contact, through the sloping platform that sets up, the knuckle of being convenient for is located between the grip block, and through the extension spring who sets up, the grip block is stretched and accurate contact according to the knuckle size, then runs through third screw hole and spacing jogged joint through the threaded spindle that sets up to carry out spacing fixed, carry out the centre gripping to the knuckle.

Drawings

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

fig. 2 is a schematic perspective view of a second clamping member of the present invention;

FIG. 3 is a schematic sectional view of the fixed disk and the movable disk of the present invention;

fig. 4 is a schematic perspective view of the first clamping member of the present invention;

fig. 5 is a schematic sectional view of the first clamping member of the present invention;

fig. 6 is a schematic view of the sectional structure of the pressing block of the present invention.

Description of reference numerals:

in the figure: 1. a base; 2. a first clamping member; 3. a second clamping member; 4. fixing the ear; 21. placing the plate; 22. a buffer spring; 23. a buffer tank; 24. a stud; 25. a first threaded hole; 31. fixing the disc; 32. a movable tray; 33. mounting a plate; 34. a fixing plate; 35. a clamping plate; 36. a threaded shaft; 37. an extension spring; 211. pressing the block; 212. a chute; 213. a slider; 214. a clamping block; 215. a second threaded hole; 311. a fixed shaft; 312. a disc; 321. a circular groove; 341. a third threaded hole; 351. a sloping table; 352. a limiting hole; 2111. a telescopic block; 2112. a tension spring; 2113. a stepped bore; 2141. a through hole; 2142. and (6) a groove.

Detailed Description

The following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and is not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1:

the embodiment of the utility model discloses a positioning clamp for steering knuckle production, please refer to fig. 1-6, including a base 1, a first clamping piece 2, a second clamping piece 3, a fixing ear 4; the first clamping pieces 2, the second clamping pieces 3 and the fixing lugs 4 are connected to the upper end face of the base 1, the second clamping pieces 3 are arranged in a plurality of ways, the second clamping pieces 3 are located on the left side of the fixing lugs 4, and the first clamping pieces 2 are located on the front sides of the second clamping pieces 3 and the fixing lugs 4; the first clamping piece 2 comprises a buffer box 23, a placing plate 21 is connected inside the buffer box 23, a sliding groove 212 is formed in the upper end face of the placing plate 21, a sliding block 213 is connected inside the sliding groove 212, a clamping block 214 is connected to the upper end of the sliding block 213, and a pressing block 211 matched with the clamping block 214 is connected to the right side of the upper end face of the placing plate 21; second holder 3 includes fixed disk 31, fixed disk 31 upper end is connected with activity dish 32, activity dish 32 upper end is connected with mounting panel 33, symmetrical connection has fixed plate 34 around mounting panel 33 right side, the corresponding one side of fixed plate 34 all is connected with a plurality of extension spring 37, the one end that fixed plate 34 was kept away from to extension spring 37 is connected with grip block 35.

Please refer to fig. 1-6, a first threaded hole 25 is formed in an outer wall of the buffer box 23, a plurality of buffer springs 22 are connected inside the buffer box 23, one end of each buffer spring 22, which is not in contact with an inner wall of the buffer box 23, is connected to the placing plate 21, a plurality of second threaded holes 215 are formed in an outer wall of the placing plate 21, a stud 24 is arranged inside the first threaded hole 25, the stud 24 sequentially penetrates through the first threaded hole 25 and the second threaded holes 215, a groove 2142 is formed in a right side of the clamping block 214, a plurality of through holes 2141 are formed in an upper end surface of the clamping block 214, the through holes 2141 are communicated with the groove 2142, the pressing block 211 is arranged in an inverted L shape, the pressing block 211 is engaged with the groove 2142, a step hole 2113 is formed in an upper end surface of the pressing block 211, a telescopic spring 2112 is connected to an inner wall of the step hole 2113, and a telescopic block 2111 is connected to one end of the telescopic spring 2112, which is not in contact with an inner wall of the step hole 2113, the telescopic block 2111 is fitted with the through hole 2141, a circular groove 321 is arranged on the lower end face of the movable disc 32, a fixed shaft 311 is connected to the upper end face of the fixed disc 31, the fixed shaft 311 penetrates through the outer wall of the movable disc 32 and extends into the circular groove 321, one end, located inside the circular groove 321, of the fixed shaft 311 is connected with the disc 312, an inclined table 351 is arranged on one side corresponding to the clamping plate 35 and one end, away from the mounting plate 33, of the one side of the clamping plate 35, a limiting hole 352 is arranged on the opposite side of the clamping plate 35, a third threaded hole 341 is arranged on the outer wall of the fixed plate 34, a threaded shaft 36 is arranged inside the third threaded hole 341, and the threaded shaft 36 penetrates through the third threaded hole 341 and is connected with the limiting hole 352.

The utility model discloses a steering knuckle production is with positioning fixture's implementation principle does:

in the utility model, the stud 24 is disassembled, the buffer spring 22 rebounds to drive the placing plate 21 to reset, so that the placing plate 21 moves upwards, the height of the placing plate 21 is adjusted, the placing plate 21 is stressed, the buffer spring 22 is driven to contract downwards, and the stud 24 sequentially penetrates through the first threaded hole 25 and the second threaded hole 215 to facilitate the limiting and fixing of the placing plate 21, so that steering knuckles with different specifications can be placed conveniently; the pressing block 211 is connected with the groove 2142, so that the telescopic block 2111 is stressed to drive the telescopic spring 2112 to contract towards the inside of the stepped hole 2113, when the telescopic block 2111 is contacted with the through hole 2141, the telescopic block 2111 is not influenced by stress, the telescopic spring 2112 rebounds to drive the telescopic block 2111 to extend into the through hole 2141, the pressing block 211 and the clamping block 214 are limited and fixed, and the steering knuckle is limited and clamped; when the knuckle contacts with the grip block 35, through the sloping platform 351 that sets up, the knuckle of being convenient for is located between the grip block 35, and through the extension spring 37 that sets up, the grip block 35 stretches and accurate contact according to the knuckle size, then runs through third screw hole 341 and is connected with spacing hole 352 through the threaded shaft 36 that sets up to carry on spacing fixed, carry out the centre gripping to the knuckle, thereby accomplish the knuckle location centre gripping.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a positioning fixture is used in knuckle production which characterized in that: comprises a base (1), a first clamping piece (2), a second clamping piece (3) and a fixing lug (4); the first clamping pieces (2), the second clamping pieces (3) and the fixing lugs (4) are connected to the upper end face of the base (1), the second clamping pieces (3) are arranged in a plurality of ways, the second clamping pieces (3) are located on the left sides of the fixing lugs (4), and the first clamping pieces (2) are located on the front sides of the second clamping pieces (3) and the fixing lugs (4); the first clamping piece (2) comprises a buffer box (23), a placing plate (21) is connected inside the buffer box (23), a sliding groove (212) is formed in the upper end face of the placing plate (21), a sliding block (213) is connected inside the sliding groove (212), a clamping block (214) is connected to the upper end of the sliding block (213), and a pressing block (211) matched with the clamping block (214) is connected to the right side of the upper end face of the placing plate (21); second holder (3) are including fixed disk (31), fixed disk (31) upper end is connected with activity dish (32), activity dish (32) upper end is connected with mounting panel (33), symmetrical connection has fixed plate (34) around mounting panel (33) right side, the corresponding one side of fixed plate (34) all is connected with a plurality of extension spring (37), the one end that fixed plate (34) were kept away from in extension spring (37) is connected with grip block (35).

2. The positioning jig for producing steering knuckles of claim 1, wherein: the buffer box (23) outer wall is equipped with first screw hole (25), buffer box (23) internal connection has a plurality of buffer spring (22), buffer spring (22) do not with buffer box (23) inner wall contact's one end with place board (21) and be connected, it is equipped with a plurality of second screw hole (215) to place board (21) outer wall, first screw hole (25) inside is equipped with double-screw bolt (24), double-screw bolt (24) run through first screw hole (25) and second screw hole (215) in proper order.

3. The positioning jig for producing steering knuckles of claim 1, wherein: the clamping block (214) is provided with a groove (2142) on the right side, the upper end face of the clamping block (214) is provided with a plurality of through holes (2141), and the through holes (2141) are communicated with the groove (2142).

4. The positioning jig for producing steering knuckles of claim 3, wherein: the pressing block (211) is arranged in an inverted L shape, the pressing block (211) is matched with the groove (2142), a step hole (2113) is formed in the upper end face of the pressing block (211), an expansion spring (2112) is connected to the inner wall of the step hole (2113), the expansion block (2111) is connected to one end, which is not in contact with the inner wall of the step hole (2113), of the expansion spring (2112), and the expansion block (2111) is matched with the through hole (2141).

5. The positioning jig for producing steering knuckles of claim 1, wherein: the lower end surface of the movable disc (32) is provided with a circular groove (321).

6. The positioning fixture for producing the knuckle according to claim 5, wherein: the fixed disk (31) up end is connected with fixed axle (311), fixed axle (311) run through activity dish (32) outer wall and extend to inside circular slot (321), the one end that fixed axle (311) is located inside circular slot (321) is connected with disc (312).

7. The positioning jig for producing steering knuckles of claim 6, wherein: the clamping plate is characterized in that one end, corresponding to one side of the clamping plate (35) and far away from the mounting plate (33), of the inclined table (351) is arranged, one side, opposite to the clamping plate (35), of the clamping plate is provided with a limiting hole (352), the outer wall of the fixing plate (34) is provided with a third threaded hole (341), a threaded shaft (36) is arranged inside the third threaded hole (341), and the threaded shaft (36) penetrates through the third threaded hole (341) and is connected with the limiting hole (352).

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