CN212705608U - Tool clamp of rocker arm shaft - Google Patents

Abstract

The utility model discloses a frock clamp of rocking arm axle aims at solving and does not press from both sides tight direct processing to the rocking arm axle and can reduce the problem of rocking arm axle machining precision. The key points of the technical scheme are as follows: the utility model provides a frock clamp of rocking arm axle, the on-line screen storage device comprises a base, be provided with clamping device on the base, clamping device sets up two first motors at the base both ends including the symmetry, the cylinder with the output shaft of first motor, with cylinder fixed connection's slide and the pinch-off blades of fixed connection on the slide, two limiting plates of symmetrical fixedly connected with on the base, fixedly connected with supplies the gliding gag lever post of slide between two limiting plates, set up the through-hole that supplies the gag lever post to pass on the slide, be provided with the bearing on the inner wall of through-hole, the one end that the bearing is close to the slide is provided with a plurality of second balls that are. The utility model discloses a frock clamp of rocking arm axle can press from both sides tightly the rocking arm axle, prevents that the rocking arm axle from taking place the skew man-hour.

Description

Tool clamp of rocker arm shaft

Technical Field

The utility model relates to a frock, more specifically say, it relates to a frock clamp of rocking arm axle.

Background

The rocker shaft is one of the parts of the engine, the engine rocker shaft is used for providing support for the rocker arm of the engine, and planes which are parallel to each other and are arranged at intervals in the axial direction need to be machined on the rocker shaft in the machining process of the rocker shaft. At present, the sizes of various series of automobile power steering gear adjusting mechanisms are not uniform, a plurality of forming tools are used for processing, the manufacturing cost of a cutter is high, and the process guarantee capability is poor. The rocker shaft in the prior art comprises a rocker shaft body, an adjusting screw is fixed in a plug block of the rocker shaft through a plug block at the top end and a retainer on the side surface, a sealing riveting groove is arranged at the inner edge of a plug block hole and is matched with the outer edge of the adjusting screw to play a role in positioning, and the processing cost of tools for processing the rocker shaft is higher.

In order to solve the above problems, a rocker arm shaft adjusting mechanism disclosed in chinese patent publication No. CN205239624U includes a rocker arm shaft, an adjusting screw, and a retainer, wherein an end of the rocker arm shaft is provided with an adjusting screw mounting hole, a thrust washer is disposed at the bottom of the adjusting screw mounting hole, a limit journal of the adjusting screw is disposed in the adjusting screw mounting hole, the retainer is connected to a mouth of the adjusting screw mounting hole by a thread, the end of the rocker arm shaft is provided with at least one seal-riveting hole, and a corresponding portion of an end surface of the retainer is riveted into the seal-riveting hole.

According to the scheme, the steering gear rocker shaft adjusting mechanism is improved, the sealing riveting hole is adopted to replace the sealing riveting groove, milling is omitted, drilling is adopted, and the processing cost is saved. Although the adjusting mechanism of the scheme saves the processing cost, the rocker arm shaft can be accurately processed only by clamping the rocker arm shaft in the processing process of the rocker arm shaft, and the adjusting mechanism of the scheme does not have a device for clamping the rocker arm shaft, so that the rocker arm shaft can rotate and shift automatically in the processing process, and the processing precision of the rocker arm shaft can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a frock clamp of rocking arm axle fixes the rocking arm axle on frock clamp earlier before the rocking arm axle processing, presss from both sides tight messenger's rocking arm axle can not take place the skew man-hour adding to the rocking arm axle.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a frock clamp of rocking arm axle, includes the base, be provided with clamping device on the base, clamping device sets up including the symmetry two first motors at base both ends, with the output shaft's of first motor cylinder, with cylinder fixed connection's slide and fixed connection are in clamp plate on the slide, two limiting plates of symmetry fixedly connected with on the base, two fixedly connected with supplies between the limiting plate the gliding gag lever post of slide, seted up the confession on the slide the through-hole that the gag lever post passed, through-hole department is provided with the bearing, the bearing is close to the one end of slide is provided with a plurality of second balls that are the distribution of annular array.

By adopting the technical scheme, when the rocker shaft is placed on the tool clamp, a worker firstly drives the two first motors symmetrically arranged on the base to enable the cylinders connected with the output shafts of the first motors to start working, the two cylinders can simultaneously extend to enable the sliding plates welded and fixed with the cylinders to slide on the limiting rods arranged between the two limiting plates and enable the two sliding plates to approach each other, meanwhile, the clamping plates fixed on the sliding plates can approach each other, the two clamping plates which approach each other can clamp the rocker shaft placed on the base, so that the clamping can be carried out when the rocker shaft is machined, the situation that the rocker shaft deviates during machining is prevented, when the clamping plates are in close contact with the rocker shaft, the worker can close the first motors, the limiting rods penetrate through holes formed in the sliding plates, and the limiting rods can contact with the bearings when the sliding plates slide, meanwhile, the limiting plate can be in contact with the second ball on the bearing and can drive the second ball to roll, and therefore sliding efficiency of the sliding plate on the limiting rod can be increased.

The utility model discloses further set up to: the clamping plates are provided with a plurality of clamping pieces distributed in an array mode, and when the clamping plates are close to each other, the clamping pieces on the clamping plates are close to each other.

By adopting the technical scheme, when the two clamping plates are driven to be close to each other by the air cylinder, the clamping pieces on the two clamping plates can be also close to each other, the clamping pieces are distributed in an array mode, and the distance between every two adjacent clamping pieces is consistent, so that a worker can position according to the positions of the clamping pieces and then process the rocker arm shaft clamped in the clamping pieces, and the positioning accuracy of the rocker arm shaft is improved.

The utility model discloses further set up to: and one end of each clamping piece, which is used for clamping, is provided with a groove.

By adopting the technical scheme, when the clamping piece clamps the rocker arm shaft, the rocker arm shaft can be clamped in the groove of the clamping piece to realize fixation, the rocker arm shaft is prevented from being separated from the clamping piece, and the stability of the rocker arm shaft in the clamping process is improved.

The utility model discloses further set up to: one ends of the clamping pieces, which are close to the clamping plate, are fixed with the clamping plate through bolts.

By adopting the technical scheme, the clamping piece connected with the clamping plate through the bolt can be conveniently detached, and workers can replace the clamping pieces with different sizes, so that rocker arms with different sizes can be processed.

The utility model discloses further set up to: the clamping plate is close to one end fixedly connected with sliding block of the base, offer on the base and supply the gliding spout of sliding block.

Through adopting above-mentioned technical scheme, when two clamp plates were close to each other, the slider of clamp plate bottom can slide in the spout of seting up on the base to can increase the gliding stability of clamp plate.

The utility model discloses further set up to: one end of the sliding block, which is close to the bottom wall of the sliding groove, is provided with a first ball.

Through adopting above-mentioned technical scheme, when the slider slided in the spout, first ball on the slider can contact on the diapire of spout, and first ball is rolling when the slider slides, and rolling first ball can increase the gliding efficiency of slider to can increase the gliding efficiency and the stability of pinch-off blades.

The utility model discloses further set up to: the base is symmetrically and fixedly connected with a first supporting plate and a second supporting plate, and a first clamping groove and a second clamping groove are formed in the first supporting plate and the second supporting plate respectively.

By adopting the technical scheme, the rocker shaft can be placed between the first support plate and the second support plate, and the rocker shaft can be clamped in the first clamping groove and the second clamping groove formed in the first support plate and the second support plate to realize fixation, so that the rocker shaft is further prevented from sliding automatically.

The utility model discloses further set up to: the inner walls of the first clamping groove and the second clamping groove are provided with a plurality of springs distributed in an annular array, and the springs are fixedly connected with clamping blocks.

By adopting the technical scheme, when the rocker shaft is clamped in the first clamping groove and the second clamping groove, the rocker shaft can extrude the clamping block, the extruded clamping block can extrude the spring to enable the spring to shrink, when the rocker shaft is stably clamped in the first clamping groove and the second clamping groove, the clamping block can be ejected out under the pushing action of the spring and is attached to the rocker shaft, and the shape of the plurality of clamping blocks distributed in the annular array is circular when the clamping blocks are close to each other.

The utility model discloses further set up to: all be provided with running gear in first backup pad and the second backup pad, all be provided with in first backup pad and the second backup pad and be used for the drive running gear pivoted second motor.

By adopting the technical scheme, when the rocker shaft is clamped between the first clamping groove and the second clamping groove, a worker can drive the second motor, so that the rotating gear connected with the output shaft of the second motor starts to rotate, the rotation of the rotating gear can drive the rocker shaft between the first clamping groove and the second clamping groove to start to rotate, the rocker shaft is enabled to convert one direction, and then the processing is carried out again.

To sum up, the utility model discloses following beneficial effect has:

first, the two clamping plates are close to each other by driving the first motor, and the two close clamping plates can clamp the rocker shaft placed on the base, so that the rocker shaft can be clamped when being machined, and the rocker shaft is prevented from being deviated when being machined.

Drawings

Fig. 1 is a first perspective view of the tooling fixture of the present invention, which is mainly used for showing the structure of the cylinder during extension;

fig. 2 is a second perspective view of the tooling fixture of the present invention, which is mainly used for showing the structure of the cylinder when the cylinder is not extended;

fig. 3 is a schematic structural diagram of the first support plate of the present invention, which is mainly used for showing the structure of the first support plate.

In the figure: 1. a base; 2. a limiting plate; 3. a first motor; 4. a clamping plate; 5. a slide plate; 6. a limiting rod; 7. a bearing; 8. a clamping member; 9. a groove; 10. a chute; 11. a slider; 12. a first support plate; 13. a cylinder; 14. a rotating gear; 15. a first card slot; 16. a spring; 17. and (7) clamping blocks.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in detail with reference to the accompanying drawings and examples.

A tool clamp of a rocker arm shaft comprises a base 1 and a clamping device arranged on the base 1, wherein the clamping device comprises two first motors 3 symmetrically arranged at two ends of the base 1, a cylinder 13 connected with an output shaft of the first motors 3, a sliding plate 5 fixedly welded with the cylinder 13 and a clamping plate 4 welded on the sliding plate 5, two limiting plates 2 are symmetrically welded on the base 1, a limiting rod 6 for the sliding of the sliding plate 5 is welded between the two limiting plates 2, a through hole for the limiting rod 6 to pass through is formed in the sliding plate 5, a bearing 7 is pressed in the through hole, one end of the bearing 7 close to the sliding plate 5 is rotatably connected with a plurality of second balls distributed in an annular array, when the sliding plate 5 slides, the limiting rod 6 can be contacted with the bearing 7, and meanwhile, the limiting plate 2 can be contacted with the second balls on the bearing 7 and can drive the second balls to roll, so that the efficiency of the sliding of the slide 5 on the stopper bar 6 can be increased.

All be equipped with the clamping piece 8 of a plurality of array distributions on two clamp plates 4, when two clamp plates 4 were close to mutually, the clamping piece 8 on two clamp plates 4 was close to each other, and a plurality of clamping pieces 8 were used for the tight one end of clamp and all offered recess 9, the rocking arm axle can block in the recess 9 of clamping piece 8, and the one end that a plurality of clamping pieces 8 were close to clamp plate 4 all is fixed with clamp plate 4 through the bolt, make things convenient for the staff to change the clamping piece 8 of other specifications, thereby can process the not rocking arm axle of equidimension.

The one end welding that pinch-off blades 4 is close to base 1 has slider 11, base 1 is last to have seted up the gliding spout 10 of confession slider 11, and slider 11 is close to the one end rotation of spout 10 diapire and is connected with first ball, when two pinch-off blades 4 are close to each other, slider 11 of pinch-off blades 4 bottom can slide in the spout 10 of seting up on base 1, thereby can increase the gliding stability of pinch-off blades 4, and when slider 11 slides in spout 10, first ball on the slider 11 can contact on the diapire of spout 10, and first ball is rolling when sliding slider 11, and gliding efficiency of slider 11 can be increased to rolling first ball, thereby can increase the gliding efficiency and the stability of pinch-off blades 4.

Referring to fig. 3, the symmetrical welding has first backup pad 12 and second backup pad on base 1, first draw-in groove 15 and second draw-in groove have been seted up respectively in first backup pad 12 and the second backup pad, and all bond on the inner wall of first draw-in groove 15 and second draw-in groove and have a plurality of springs 16 that are the distribution of annular array, it has fixture block 17 to bond on the spring 16, and all rotate on first backup pad 12 and the second backup pad and be connected with rotating gear 14, and first draw-in groove 15 and second draw-in groove are seted up on rotating gear 14, all be equipped with on first backup pad 12 and the second backup pad and be used for driving rotating gear 14 pivoted second motor, and first motor 3 and second motor are servo motor.

The rocker shaft can be placed between the first support plate 12 and the second support plate, and the rocker shaft can be clamped in the first clamping groove 15 and the second clamping groove on the first support plate 12 and the second support plate to realize fixation, so as to further prevent the rocker shaft from sliding automatically, when the rocker shaft is clamped in the first clamping groove 15 and the second clamping groove, the rocker shaft can extrude the clamping block 17, the extruded clamping block 17 can extrude the spring 16 to shrink the spring 16, when the rocker shaft is stably clamped in the first clamping groove 15 and the second clamping groove, the clamping block 17 can be ejected out under the pushing action of the spring 16 and attached to the rocker shaft, when the rocker shaft is clamped between the first clamping groove 15 and the second clamping groove, a worker can drive the second motor to enable the rotating gear 14 connected with the output shaft of the second motor to start rotating, and the rotating gear 14 can drive the rocker shaft to rotate, so that the rocker shaft can convert the direction and then be processed, and the rocker arm shaft is processed according to the requirements of workers.

The working principle is as follows: when the rocker shaft is placed on the tooling fixture, a worker firstly drives the two first motors 3 on the base 1, so that the cylinders 13 connected with the output shafts of the first motors 3 start to work, the two cylinders 13 can simultaneously extend, and when the cylinders 13 extend, the sliding plates 5 welded and fixed with the cylinders 13 can slide on the limiting rods 6 and enable the two sliding plates 5 to approach each other, meanwhile, the clamping plates 4 fixed on the sliding plates 5 can also approach each other, and the two clamping plates 4 approaching each other can clamp the rocker shaft placed on the base 1, so that the rocker shaft can be clamped during machining, the situation that the rocker shaft deviates during machining is prevented, and when the clamping plates 4 are in close contact with the rocker shaft, the worker can close the first motors 3.

When the cylinder 13 drives the two clamping plates 4 to be close to each other, the clamping pieces 8 on the two clamping plates 4 can be close to each other, the clamping pieces 8 are distributed in an array mode, the distance between every two adjacent clamping pieces 8 is consistent, so that an operator can position according to the positions of the clamping pieces 8 and then process a rocker shaft clamped in the clamping pieces 8, the clamping pieces 8 can be more stable when clamping the rocker shaft, when the clamping pieces 8 clamp the rocker shaft, the rocker shaft can be clamped in the grooves 9 of the clamping pieces 8 to be fixed, the rocker shaft is prevented from being separated from the clamping pieces 8, the stability of the rocker shaft in clamping is further improved, and meanwhile the rocker shaft can be prevented from shifting in machining.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a frock clamp of rocking arm axle, includes base (1), be provided with clamping device on base (1), its characterized in that: clamping device sets up including the symmetry two first motor (3) at base (1) both ends, with cylinder (13) of the output shaft of first motor (3), with cylinder (13) fixed connection's slide (5) and fixed connection be in clamp plate (4) on slide (5), two limiting plate (2) of symmetry fixedly connected with on base (1), two fixedly connected with supplies between limiting plate (2) slide (5) gliding gag lever post (6), the confession has been seted up on slide (5) the through-hole that gag lever post (6) passed, through-hole department is provided with bearing (7), bearing (7) are close to the one end of slide (5) is provided with a plurality of second balls that are the ring array and distribute.

2. The tooling clamp of the rocker arm shaft of claim 1, wherein: the clamping plates (4) are respectively provided with a plurality of clamping pieces (8) distributed in an array mode, and when the clamping plates (4) are close to each other, the clamping pieces (8) on the clamping plates (4) are close to each other.

3. The tooling clamp for the rocker arm shaft of claim 2, wherein: one end of each clamping piece (8) for clamping is provided with a groove (9).

4. The tooling clamp for the rocker arm shaft of claim 2, wherein: one ends of the clamping pieces (8) close to the clamping plate (4) are fixed with the clamping plate (4) through bolts.

5. The tooling clamp of the rocker arm shaft of claim 1, wherein: the clamping plate (4) is close to one end of the base (1) and is fixedly connected with a sliding block (11), and a sliding groove (10) for the sliding block (11) to slide is formed in the base (1).

6. The tooling clamp of the rocker arm shaft of claim 5, wherein: one end of the sliding block (11) close to the bottom wall of the sliding groove (10) is provided with a first ball.

7. The tooling clamp of the rocker arm shaft of claim 1, wherein: the base (1) is provided with a first supporting plate (12) and a second supporting plate which are symmetrically and fixedly connected, and the first supporting plate (12) and the second supporting plate are respectively provided with a first clamping groove (15) and a second clamping groove.

8. The tooling clamp of the rocker arm shaft of claim 7, wherein: the inner walls of the first clamping groove (15) and the second clamping groove are provided with a plurality of springs (16) distributed in an annular array, and the springs (16) are fixedly connected with clamping blocks (17).

9. The tooling clamp of the rocker arm shaft of claim 8, wherein: all be provided with running gear (14) in first backup pad (12) and the second backup pad, all be provided with in first backup pad (12) and the second backup pad and be used for the drive running gear (14) pivoted second motor.

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