CN209598704U - A kind of fixture that can eliminate clamping deformation in thin-walled parts processing - Google Patents

Abstract

The utility model discloses the fixtures that one kind can eliminate clamping deformation in thin-walled parts processing, including fixed support rod, motion bar, the first grip block, the second grip block, third grip block and the 4th grip block, it is connected between the fixed support rod and motion bar by tuning knob, the two sides of the motion bar are fixedly welded with the first telescopic rod and the second telescopic rod respectively, first telescopic rod and the second telescopic rod are each provided at side of the motion bar far from fixed support rod, and the one end of first telescopic rod far from motion bar is sequentially connected by the axis of rolling and the first grip block.This can eliminate the fixture of clamping deformation in thin-walled parts processing, by being provided with fixed support rod and tuning knob, driving tuning knob can make motion bar along tuning knob, change its angle relative to fixed support rod, so that the position of four groups of grip blocks is adjustable, to work in more different positions, the scope of application of the fixture is improved.

Description

A kind of fixture that can eliminate clamping deformation in thin-walled parts processing

Technical field

The utility model belongs to thin-walled parts processing technique field, and in particular to one kind can be eliminated in thin-walled parts processing The fixture of clamping deformation.

Background technique

Part refers to the single product that can not be decoupled in machinery, is the underlying dimension and machine-building process of machine In basic unit.Its manufacturing process does not need assembly process generally, such as axle sleeve, bearing shell, nut, crankshaft, blade, gear, convex Wheel, gonnecting rod body, connecting rod head etc. are all parts.

Various structures and shape is often had in automobile production all to need to process with complicated part, and some thin-walled Part needs to be gripped using specific fixture in processing, then the process operations such as drilled, be ground, But such existing fixture can only clamp wherein one end of thin-walled parts mostly, and the other end suspends in the sky, it is easy to go out The case where existing unstable (shaking), so that the precision of thin-walled parts processing is lower.

Utility model content

The purpose of this utility model is to provide the fixtures that one kind can eliminate clamping deformation in thin-walled parts processing, with solution Certainly the problems mentioned above in the background art.

To achieve the above object, the utility model provides the following technical solutions: one kind can be eliminated in thin-walled parts processing The fixture of clamping deformation, including fixed support rod, motion bar, the first grip block, the second grip block, third grip block and the 4th folder Plate is held, is connected between the fixed support rod and motion bar by tuning knob, the two sides of the motion bar are fixedly welded respectively There are the first telescopic rod and the second telescopic rod, first telescopic rod and the second telescopic rod are each provided at motion bar far from fixed support rod Side, first telescopic rod far from motion bar one end by the axis of rolling and the first grip block transmission connection, the rolling Axis is equipped with two groups altogether and is respectively provided at one end that the first telescopic rod and the second telescopic rod are located remotely from each other；

Third telescopic rod is equipped between first grip block and the second grip block, the both ends of the third telescopic rod are distinguished Opposite two sides are fixedly welded with the first grip block and the second grip block, and second grip block is close to the side of the first grip block Two groups of accommodating grooves are provided with, are equipped with spring and silicagel pad in accommodating groove described in two groups, are each provided at the second grip block far from third The side of telescopic rod, second telescopic rod are sequentially connected by another group of axis of rolling and the 4th grip block, the third clamping Third telescopic rod and two groups of accommodating grooves are again provided between plate and the 4th grip block.

Preferably, the both ends of the spring side wall fixed bonding with the side wall of silicagel pad and accommodating groove inner cavity respectively, institute Silicagel pad is stated to be bonded with the opening of accommodating groove inner cavity.

Preferably, second grip block is located at side of first grip block far from the first telescopic rod, the third clamping Plate is located at the 4th side of the grip block far from the second telescopic rod.

Preferably, one end of the tuning knob is fixedly welded with motion bar, and the other end and fixed support rod are close to living The side of lever is sequentially connected.

Preferably, the center of the two sides opposite with the first grip block and the 4th grip block respectively of the axis of rolling described in two groups connects Touching, first telescopic rod and the second telescopic rod are symmetrically distributed in the two sides of motion bar.

The technical effect and advantage of the utility model: this can eliminate the fixture of clamping deformation in thin-walled parts processing, lead to It crosses and is provided with fixed support rod and tuning knob, driving tuning knob can make motion bar along tuning knob, change Become its angle relative to fixed support rod, so that the position of four groups of grip blocks is adjustable, thus in more different positions Work, improves the scope of application of the fixture；By being provided with four groups of grip blocks and being separately positioned on the both sides of motion bar, make this Fixture can clamp simultaneously the both sides of part, so that part be made to keep stablizing, it is clamped to prevent one end, and the other end is not Stable situation, to guarantee the precision of thin-walled parts processing；By being provided with two groups of axis of rolling, drive two groups of axis of rolling (by It is driven by electricity) rotation, the deflection angle of the first grip block and the 4th grip block can be finely adjusted, to make four groups of grip blocks It is more flexible at work；By being provided with spring and silicagel pad in accommodating groove, when holding parts, silicagel pad is direct with part Contact, make part when clamped will not because of grip block extruding and deform, protect part.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the structural schematic diagram of the second clamping plate of the utility model.

In figure: 1 fixed support rod, 2 tuning knobs, 3 motion bars, 4 first telescopic rods, 5 second telescopic rods, 6 axis of rolling, 7 First grip block, 8 second grip blocks, 9 third telescopic rods, 10 accommodating grooves, 11 springs, 12 silicagel pads, 13 third grip blocks, 14 Four grip blocks.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model, which provides one kind as shown in Figs. 1-2, can eliminate the folder of clamping deformation in thin-walled parts processing Tool, including fixed support rod 1, motion bar 3, the first grip block 7, the second grip block 8, third grip block 13 and the 4th grip block 14, it is connected between the fixed support rod 1 and motion bar 3 by tuning knob 2, the fixed weldering respectively of the two sides of the motion bar 3 It is connected to the first telescopic rod 4 and the second telescopic rod 5, first telescopic rod 4 and the second telescopic rod 5 are each provided at motion bar 3 far from solid Determine the side of support rod 1, the one end of first telescopic rod 4 far from motion bar 3 is driven by the axis of rolling 6 and the first grip block 7 Connection, the axis of rolling 6 are equipped with two groups altogether and are respectively provided at one end that the first telescopic rod 4 and the second telescopic rod 5 are located remotely from each other；

Third telescopic rod 9, the both ends of the third telescopic rod 9 are equipped between first grip block 7 and the second grip block 8 The two sides opposite with the first grip block 7 and the second grip block 8 are fixedly welded respectively, and second grip block 8 is close to the first clamping The side of plate 7 is provided with two groups of accommodating grooves 10, and spring 11 and silicagel pad 12, the first grip block are equipped in accommodating groove 10 described in two groups 7, it is also provided with two groups of accommodating grooves 10 on the side wall of third grip block 13 and the 4th grip block 14 and (is again provided with spring in accommodating groove 10 11 and silicagel pad 12), the accommodating groove 10 on the first grip block 7 and the second grip block 8 is oppositely arranged, third grip block 13 and the 4th Accommodating groove 10 on grip block 14 is oppositely arranged, and is each provided at the second side of the grip block 8 far from third telescopic rod 9, and described Two telescopic rods 5 are sequentially connected by another group of axis of rolling 6 and the 4th grip block 14, the third grip block 13 and the 4th grip block Third telescopic rod 9 and two groups of accommodating grooves 10 (set-up mode of the third telescopic rod 9 and accommodating groove 10 and the are again provided between 14 Third telescopic rod 9 and accommodating groove 10 between one grip block 7 and the second grip block 8 is identical), the first telescopic rod 4, the second telescopic rod 5, third telescopic rod 9, tuning knob 2 and the axis of rolling 6 are by being driven by electricity.

Specifically, the both ends of the spring 11 are fixed viscous with the side wall of 10 inner cavity of the side wall of silicagel pad 12 and accommodating groove respectively It connects, the silicagel pad 12 is bonded with the opening of 10 inner cavity of accommodating groove.

Specifically, second grip block 8 is located at side of first grip block 7 far from the first telescopic rod 4, the third folder It holds plate 13 and is located at side of the 4th grip block 14 far from the second telescopic rod 5.

Specifically, one end of the tuning knob 2 is fixedly welded with motion bar 3, the other end and fixed support rod 1 are close The side of motion bar 3 is sequentially connected.

Specifically, the center of the two sides opposite with the first grip block 7 and the 4th grip block 14 respectively of the axis of rolling 6 described in two groups Contact, first telescopic rod 4 and the second telescopic rod 5 are symmetrically distributed in the two sides of motion bar 3.

Specifically, this can eliminate the fixture of clamping deformation in thin-walled parts processing, during installation, make fixed support first The side wall in side of the bar 1 far from tuning knob 2 and the workshop of processing part, which is fixedly welded, (or is mounted on other suitable positions Set), the position of four groups of grip blocks is then adjusted according to the position of specific part, the driving rotation of tuning knob 2 makes it drive work Lever 3 rotates, i.e., then the position of adjustable four groups of grip blocks rotates as needed two groups of axis of rolling 6, to adjust four groups of folders The angle for holding plate is located just at the both ends of thin-walled parts between the first grip block 7 and the second grip block 8, third grip block 13 Between the 4th grip block 14, then drives two groups of third telescopic rods 9 to shrink, lean on the first grip block 7 with the second grip block 8 Closely, third grip block 13 and the 4th grip block 14 are close, and then clamp the thin-walled of part, and part thin-walled is contacted with grip block When, silicagel pad 12 can play the role of buffering, and the thin-walled of part is avoided to be worn.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (5)

1. one kind can eliminate the fixture of clamping deformation in thin-walled parts processing, including fixed support rod (1), motion bar (3), the One grip block (7), the second grip block (8), third grip block (13) and the 4th grip block (14), it is characterised in that: the fixation It is connect between support rod (1) and motion bar (3) by tuning knob (2), the two sides of the motion bar (3) are fixedly welded with respectively First telescopic rod (4) and the second telescopic rod (5), first telescopic rod (4) and the second telescopic rod (5) are each provided at motion bar (3) Side far from fixed support rod (1), the one end of first telescopic rod (4) far from motion bar (3) pass through the axis of rolling (6) and the One grip block (7) transmission connection, the axis of rolling (6), which is equipped with two groups altogether and is respectively provided at the first telescopic rod (4) and second, stretches One end that bar (5) is located remotely from each other；

Third telescopic rod (9) are equipped between first grip block (7) and the second grip block (8), the third telescopic rod (9) Two sides opposite with the first grip block (7) and the second grip block (8) are fixedly welded respectively at both ends, and second grip block (8) is leaned on The side of nearly first grip block (7) is provided with two groups of accommodating grooves (10), be equipped in accommodating groove described in two groups (10) spring (11) and Silicagel pad (12), is each provided at the side of the second grip block (8) far from third telescopic rod (9), and second telescopic rod (5) passes through Another group of axis of rolling (6) and the 4th grip block (14) are sequentially connected, the third grip block (13) and the 4th grip block (14) it Between be again provided with third telescopic rod (9) and two groups of accommodating grooves (10).

2. the fixture that one kind according to claim 1 can eliminate clamping deformation in thin-walled parts processing, it is characterised in that: The both ends of the spring (11) the side wall fixed bonding with the side wall of silicagel pad (12) and accommodating groove (10) inner cavity respectively, the silicon Rubber mat (12) is bonded with the opening of accommodating groove (10) inner cavity.

3. the fixture that one kind according to claim 1 can eliminate clamping deformation in thin-walled parts processing, it is characterised in that: Second grip block (8) is located at the side of the first grip block (7) far from the first telescopic rod (4), the third grip block (13) It is located at side of the 4th grip block (14) far from the second telescopic rod (5).

4. the fixture that one kind according to claim 1 can eliminate clamping deformation in thin-walled parts processing, it is characterised in that: One end of the tuning knob (2) is fixedly welded with motion bar (3), and the other end and fixed support rod (1) are close to motion bar (3) Side transmission connection.

5. the fixture that one kind according to claim 1 can eliminate clamping deformation in thin-walled parts processing, it is characterised in that: The central contact of the axis of rolling described in two groups (6) two sides opposite with the first grip block (7) and the 4th grip block (14) respectively, it is described First telescopic rod (4) and the second telescopic rod (5) are symmetrically distributed in the two sides of motion bar (3).