CN210998360U

CN210998360U - Clamping tool for rectangular block workpiece

Info

Publication number: CN210998360U
Application number: CN201922095549.4U
Authority: CN
Inventors: 刘俊松; 熊传烨; 唐大国
Original assignee: Chongqing Qingrui Auto Parts Co ltd
Current assignee: Chongqing Qingrui Auto Parts Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-14
Anticipated expiration: 2029-11-28

Abstract

A clamping tool for rectangular block workpieces comprises a base, a left positioning mechanism, a right positioning mechanism and a clamping mechanism which are arranged on the base, wherein a support is arranged on the bottom surface of the base to enable the base to be suspended, the clamping mechanism comprises a slide rail, a wedge block, a telescopic cylinder, a left slide block and a right slide block which are in sliding fit with the slide rail, the slide rail extends in the left-right direction and is positioned between the left slide rail of the left positioning mechanism and the right slide rail of the right positioning mechanism, the outer side surface of the left slide block faces towards the left positioning mechanism, the inner side surface of the left slide block is an inclined surface, the included angle between the inner side surface of the left slide block and the inner side surface of the right slide block is 45-60 degrees, the wedge block is positioned between the left slide block and the right slide block and is adaptive to the inclined surfaces of the inner sides of the left slide block and the right slide block, a piston rod of the telescopic cylinder penetrates through the sliding rail and is fixedly connected with the wedge block to drive the left sliding block to move leftwards and the right sliding block to move rightwards.

Description

Clamping tool for rectangular block workpiece

Technical Field

The utility model relates to a frock clamp field, in particular to centre gripping frock of rectangular block work piece.

Background

When an enterprise processes a rectangular block workpiece, such as a steering connector, the steering connector needs to be clamped on a tool, and then the next processing procedure is carried out.

At present, a clamping tool which is commonly used can only be used for clamping a rectangular workpiece by using a telescopic cylinder, so that the clamping efficiency of the workpiece is lower, and the production requirements of enterprises can not be effectively met.

Disclosure of Invention

The utility model aims at prior art not enough, provide a centre gripping frock of rectangular block work piece, its simple structure, convenient to use can carry out the centre gripping location to two rectangular block work pieces in step, effectively improve the production efficiency of enterprise.

The technical scheme of the utility model is that: a clamping tool for rectangular workpieces comprises a base, a left positioning mechanism, a right positioning mechanism and a clamping mechanism, wherein the left positioning mechanism, the right positioning mechanism and the clamping mechanism are arranged on the base, a support is arranged on the bottom surface of the base to enable the base to be suspended, the left positioning mechanism comprises a left slide rail extending along the left-right direction, a first limiting seat, a second limiting seat and a third limiting seat, the first limiting seat and the second limiting seat are respectively arranged on two sides of the left slide rail, the third limiting seat is arranged on the left side of the left slide rail, a first positioning rod is matched on the first limiting seat through threads, the first positioning rod faces the second limiting seat and is vertically distributed with the left slide rail, the second positioning rod tends to move towards the first limiting seat through driving of a first pre-tightening spring, at least one third positioning rod is fixedly arranged on the third limiting seat, the third positioning rod extends towards the right, the right positioning mechanism comprises a right slide rail extending along the left-right direction, a fourth limiting seat and a fifth limiting seat which are respectively arranged at two sides of the right slide rail, and a sixth limiting seat arranged at the right side of the right slide rail, a fourth positioning rod is matched on the fourth limiting seat through screw threads, the fourth positioning rod faces the fifth limiting seat and is vertically distributed with the right slide rail, a fifth positioning rod is in clearance fit on the fifth limiting seat and is vertically distributed with the right slide rail, the fourth positioning rod has the trend of moving towards the fourth limiting seat through the driving of a second pre-tightening spring, at least one sixth positioning rod is fixedly arranged on the sixth limiting seat, the sixth positioning rod extends towards the left, the clamping mechanism comprises a slide rail, a wedge block, a telescopic cylinder, a left slide block and a right slide block which are in sliding fit on the slide rail, and the slide rail extends along the left-right direction, be located between left slide rail, the right slide rail, the lateral surface of left side slider is towards the spacing seat of third, and the medial surface of left slider is the inclined plane, is 45-60 with the contained angle of horizontal plane, the lateral surface of right slider is towards the spacing seat of sixth, and the medial surface of right slider is the inclined plane, is 45-60 with the contained angle of horizontal plane, the wedge is located between left slider, the right slider, suits with the inboard inclined plane of left slider, right slider, the bottom surface at the base is fixed to the cylinder body of telescoping cylinder, and the piston rod of telescoping cylinder passes the slide rail, with wedge fixed connection, drives left slider action left, right slider action right.

The quantity of left side slide rail is two, parallel arrangement and have the interval distance.

The quantity of right slide rail is two, and parallel arrangement just has the interval distance.

And the first positioning rod and the fourth positioning rod are respectively in threaded fit with locking nuts to respectively lock the positions of the first positioning rod and the fourth positioning rod.

And hanging rings are respectively matched with the four corners of the base in a threaded manner.

The quantity of slide rail is two, and parallel arrangement just has the interval distance, the both sides of left slider, right slider are equipped with the spout respectively, and two slide rails cooperate respectively in the spout of left slider, right slider both sides, form sliding fit.

The two ends of the slide rail are respectively bent inwards by 90 degrees to form a limiting part

The inner side inclined planes of the left sliding block and the right sliding block are respectively positioned at the upper parts of the left sliding block and the right sliding block.

The support includes L shape support that sets up on base left side, right side, and the horizontal limit of L shape support extends outwards, and is equipped with the location open slot that supplies the bolt to pass through.

The left sliding rail, the right sliding rail, the first limiting seat, the second limiting seat, the third limiting seat, the fourth limiting seat, the fifth limiting seat and the sixth limiting seat are fixed on the base through bolts respectively.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the clamping tool for the rectangular block workpiece comprises a base, a left positioning mechanism, a right positioning mechanism and a clamping mechanism, wherein the left positioning mechanism and the right positioning mechanism are arranged on the base, the rectangular block workpiece is positioned by the left positioning mechanism and the right positioning mechanism respectively, and the clamping mechanism is used for clamping and positioning the rectangular block workpiece positioned on the left positioning mechanism and the right positioning mechanism simultaneously. The bottom surface of the base is provided with a support, so that the base is suspended in the air, the base is fixed through the support, and a certain space is formed below the base. The left positioning mechanism comprises a left sliding rail extending along the left-right direction, a first limiting seat, a second limiting seat and a third limiting seat, wherein the first limiting seat and the second limiting seat are respectively arranged on two sides of the left sliding rail, the third limiting seat is arranged on the left side of the left sliding rail, and the first limiting seat, the second limiting seat and the third limiting seat respectively correspond to three side faces of the rectangular block workpiece. First locating rod has through screw-thread fit on the first spacing seat, and first locating rod is the vertical distribution towards the spacing seat of second, with left slide rail, promptly, through rotating first locating rod, the vertical distance of adjustable first locating rod apart from left slide rail. The second limiting seat is in clearance fit with a second positioning rod, the second positioning rod faces the first limiting seat, is vertically distributed with the left slide rail, and has a trend of acting towards the first limiting seat through the driving of a first pre-tightening spring. At least one third positioning rod is fixedly arranged on the third limiting seat, the third positioning rod extends towards the right, the first rectangular block workpiece is supported on the left sliding rail, the first side face and the third side face of the first rectangular block workpiece are respectively positioned by the first positioning rod and the second positioning rod, and the extension length of the first positioning rod is adjusted through rotation, so that the extension length of the second positioning rod can be adjusted, the positioning force of the first positioning rod and the second positioning rod is adaptive to the rectangular block workpieces with different sizes, the positioning requirements of the rectangular block workpieces with multiple sizes are met, the first rectangular block workpiece can slide along the left-right direction, and the second side face is limited by the third positioning rod. The right positioning mechanism comprises a right slide rail extending along the left-right direction, a fourth limiting seat, a fifth limiting seat and a sixth limiting seat, the fourth limiting seat and the fifth limiting seat are respectively arranged on two sides of the right slide rail, the sixth limiting seat is arranged on the right side of the right slide rail, and the fourth limiting seat, the fifth limiting seat and the sixth limiting seat respectively correspond to three side faces of the rectangular block workpiece. The fourth limiting seat is provided with a fourth positioning rod in threaded fit, the fourth positioning rod faces the fifth limiting seat and is vertically distributed with the right slide rail, namely, the vertical distance between the fourth positioning rod and the right slide rail can be adjusted by rotating the fourth positioning rod. And a fifth positioning rod is in clearance fit with the fifth limiting seat, faces the fourth limiting seat, is vertically distributed with the right slide rail, and is driven by a second pre-tightening spring to have a trend of acting towards the fourth limiting seat. At least one sixth positioning rod is fixedly arranged on the sixth limiting seat, the sixth positioning rod extends towards the left, a second rectangular block workpiece is supported on the right sliding rail, the first side face and the third side face of the second rectangular workpiece are respectively positioned by the fourth positioning rod and the fifth positioning rod, and the extension length of the fourth positioning rod is adjusted through rotation, so that the extension length of the fifth positioning rod can be adjusted, the positioning force of the fourth positioning rod and the positioning force of the fifth positioning rod are matched with the rectangular block workpieces with different sizes, the positioning requirements of the rectangular block workpieces with multiple sizes are met, the second rectangular block workpiece can slide along the left-right direction, and the fourth side face is limited by the sixth positioning rod. The clamping mechanism comprises a slide rail, a wedge block, a telescopic cylinder, a left slide block and a right slide block which are in sliding fit with the slide rail, the slide rail extends along the left-right direction and is positioned between the left slide rail and the right slide rail, the outer side surface of the left slide block faces a third limiting seat, the inner side surface of the left slide block is an inclined surface, the included angle between the inclined surface and the horizontal plane is 45-60 degrees, the outer side surface of the right slide block faces a sixth limiting seat, the inner side surface of the right slide block is an inclined surface, the included angle between the inclined surface and the horizontal plane is 45-60 degrees, the wedge block is positioned between the left slide block and the right slide block and is matched with the inclined surfaces on the inner sides of the left slide block and the right slide block, the cylinder body of the telescopic cylinder is fixed on the bottom surface of the base, the piston rod of the telescopic cylinder penetrates through the slide rail and, the piston rod of the telescopic cylinder is controlled to retract, so that the wedge block moves downwards, the wedge block is respectively matched with the inclined plane of the left sliding block and the inclined plane of the right sliding block, the left sliding block is driven to slide leftwards to be in contact with the fourth side surface of the first rectangular block workpiece, the first rectangular block workpiece is pressed and positioned, the right sliding block is driven to slide rightwards to be in contact with the second side surface of the second rectangular block workpiece, the second rectangular block workpiece is pressed and positioned, subsequent processing can be carried out, and the production requirements of enterprises are met. The inclined planes of the left sliding block and the right sliding block are arranged to form an included angle of 45-60 degrees with the horizontal plane, so that the sliding strokes of the left sliding block and the right sliding block are larger on the premise that the wedge block drives the left sliding block and the right sliding block to slide leftwards and rightwards respectively, and the clamping requirements of rectangular block workpieces with different sizes are effectively met.

2. And locking nuts are respectively matched on the first positioning rod and the fourth positioning rod in a threaded manner, so that the positions of the first positioning rod and the fourth positioning rod are respectively locked, the stability of the first positioning rod, the second positioning rod, the fourth positioning rod and the fifth positioning rod is improved, the rectangular block workpiece of the clamping is prevented from shaking, and the processing quality is ensured.

3. The quantity of slide rail is two, and parallel arrangement just has the spacing distance, the both sides of left slider, right slider are equipped with the spout respectively, and two slide rails cooperate respectively in the spout of left slider, right slider both sides, form sliding fit, make left slider, the stable sliding fit of right slider on the slide rail, prevent that left slider or right slider from breaking away from the slide rail because of the atress, guarantee clamping stability, and avoid the potential safety hazard.

4. The support is including setting up L shape support on base left side, right side, and the horizontal limit of L shape support extends outwards, and is equipped with the location open slot that supplies the bolt to pass, passes the location open slot of L shape support through a plurality of bolts, fixes on the processing platform, and installation, dismantlement are all very convenient.

The following further description is made with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of FIG. 2 taken along line A;

fig. 4 is an isometric view of the clamping mechanism of the present invention (without the slide rails);

FIG. 5 is a schematic structural view of the clamping mechanism (without the slide rail) of the present invention;

fig. 6 is a schematic view of the synchronous clamping positioning of the two steering connectors of the present invention.

In the drawing, 1 is a base, 11 is an L-shaped bracket, 12 is a positioning open slot, 2 is a left positioning mechanism, 21 is a first limit seat, 22 is a second limit seat, 23 is a third limit seat, 24 is a left slide rail, 3 is a right positioning mechanism, 31 is a fourth limit seat, 32 is a fifth limit seat, 33 is a sixth limit seat, 34 is a right slide rail, 4 is a clamping mechanism, 41 is a slide rail, 42 is a wedge, 43 is a telescopic cylinder, 44 is a left slide block, 45 is a right slide block, 46 is a slide groove, 5 is a bracket, 6 is a hanging ring, a is a first positioning rod, b is a second positioning rod, c is a third positioning rod, d is a fourth positioning rod, e is a fifth positioning rod, and f is a sixth positioning rod.

Detailed Description

In the present invention, the components of the specific structure and the connection mode are not designated, and the components are generally conventional components or connection modes.

The positioning rod 32 is arranged on the base 1, a left positioning mechanism 2 and a right positioning mechanism 3 are arranged on the base 1, a support 5 is arranged on the bottom surface of the base 1 to suspend the base, in the embodiment, the base is of a rectangular structure, four corners of the base 1 are respectively in threaded fit with a hanging ring 6, the support 5 comprises L-shaped supports 11 arranged on the left and right sides of the base 1, horizontal edges of L-shaped supports 11 are extended outwards and provided with a positioning open slot 12 through which a bolt passes, in order to improve the supporting strength, a bar-shaped support is further fixedly arranged in the middle of the bottom surface of the base, the lower end of the bar-shaped support is flush with the horizontal edge of a L-shaped support, the left positioning mechanism 2 comprises a left slide rail 24 extending in the left-right direction, a first limiting seat 21, a second limiting seat 22 and a third limiting seat 23 arranged on the left side of the left slide rail 24, a first limiting seat, a second limiting seat, a third slide rail 24 and a third positioning rod 24 are respectively arranged on the left slide rail 24, a right slide rail, a positioning rod is arranged on the left side of the left slide rail 24, a right slide rail, a left slide rail is arranged on a right slide rail, a right slide rail, a left slide rail, a slide rail is arranged on a left slide rail, a right slide rail, a slide rod, a slide rail, a slide rod is arranged on a slide rod, a slide rod.

The utility model discloses a theory of operation does, use processing to turn to the connector as an example, first piece turns to the connector supporting on left side slide rail, turn to the first side of connector, the third side is by first locating lever respectively, the second locating lever location, and through the extension length of the first locating lever of rotation regulation, can adjust the extension length of second locating lever, make first locating lever, the not unidimensional steering connection ware of location dynamics adaptation of second locating lever, satisfy many sizes steering connection ware's location demand, steering connection ware can be followed and left right direction slides, and the second side is spacing by three third locating lever. The second steering connector is supported on the right sliding rail, the first side face and the third side face of the second steering connector are positioned by a fourth positioning rod and a fifth positioning rod respectively, the extension length of the fourth positioning rod is adjusted through rotation, the extension length of the fifth positioning rod can be adjusted, the fourth positioning rod and the fifth positioning rod are made to adapt to the steering connectors with different sizes, the positioning requirements of the multi-size steering connector are met, the second steering connector can slide in the left-right direction, and the fourth side face is limited by three sixth positioning rods. After the first steering connector and the second steering connector are placed in place, the piston rod of the telescopic cylinder is controlled to retract, the wedge block moves downwards, the wedge block is matched with the inclined surface of the left sliding block and the inclined surface of the right sliding block respectively, the left sliding block is driven to slide leftwards to be in contact with the fourth side surface of the first steering connector, the first steering connector is pressed and positioned, the right sliding block is driven to slide rightwards to be in contact with the second side surface of the second steering connector, the second steering connector is pressed and positioned, and then follow-up processing can be carried out, and the production requirements of enterprises are met.

After the processing is finished, the piston rod of the telescopic cylinder is controlled to reset, the left sliding block, the right sliding block, the first positioning rod and the fourth positioning rod are manually reset, and then the first steering connector and the second steering connector can be taken out.

Claims

1. The utility model provides a centre gripping frock of rectangle piece work piece which characterized in that: comprises a base (1), a left positioning mechanism (2), a right positioning mechanism (3) and a clamping mechanism (4) which are arranged on the base (1),

the bottom surface of the base (1) is provided with a bracket (5) to suspend the base in the air,

the left positioning mechanism (2) comprises a left slide rail (24) extending along the left-right direction, a first limiting seat (21) and a second limiting seat (22) which are respectively arranged at two sides of the left slide rail (24), and a third limiting seat (23) arranged at the left side of the left slide rail (24), wherein a first positioning rod (a) is matched on the first limiting seat (21) through threads, the first positioning rod (a) faces the second limiting seat (22) and is vertically distributed with the left slide rail (24), a second positioning rod (b) is in clearance fit on the second limiting seat (22), the second positioning rod (b) faces the first limiting seat (21) and is vertically distributed with the left slide rail (24), and has a trend of moving towards the first limiting seat (21) through driving of a first pre-tightening spring, at least one third positioning rod (c) is fixedly arranged on the third limiting seat (23), and the third positioning rod (c) extends towards the right,

the right positioning mechanism (3) comprises a right slide rail (34) extending along the left-right direction, a fourth limiting seat (31) and a fifth limiting seat (32) which are respectively arranged at two sides of the right slide rail (34), and a sixth limiting seat (33) arranged at the right side of the right slide rail (34), wherein a fourth positioning rod (d) is matched on the fourth limiting seat (31) through threads, faces the fifth limiting seat (32) and is vertically distributed with the right slide rail (34), a fifth positioning rod (e) is in clearance fit on the fifth limiting seat (32), faces the fourth limiting seat (31) and is vertically distributed with the right slide rail (34), and is driven by a second pre-tightening spring to have a trend of acting towards the fourth limiting seat (31), at least one sixth positioning rod (f) is fixedly arranged on the sixth limiting seat (33), and extends towards the left,

the clamping mechanism (4) comprises a slide rail (41), a wedge-shaped block (42), a telescopic cylinder (43), a left slide block (44) and a right slide block (45) which are matched on the slide rail in a sliding way,

the slide rail (41) extends along the left-right direction and is positioned between the left slide rail (24) and the right slide rail (34), the outer side surface of the left sliding block (44) faces the third limiting seat (23), the inner side surface of the left sliding block (44) is an inclined surface, the included angle between the right sliding block (45) and the horizontal plane is 45 degrees to 60 degrees, the outer side surface of the right sliding block (45) faces the sixth limiting seat (33), the inner side surface of the right sliding block (45) is an inclined surface, the included angle between the wedge-shaped block and the horizontal plane is 45 degrees to 60 degrees, the wedge-shaped block (42) is positioned between the left sliding block (44) and the right sliding block (45), the inner side inclined planes of the left sliding block (44) and the right sliding block (45) are adapted, the cylinder body of the telescopic cylinder (43) is fixed on the bottom surface of the base (1), the piston rod of the telescopic cylinder (43) passes through the sliding rail (41), is fixedly connected with the wedge block (42) and drives the left slide block (44) to move leftwards and the right slide block (45) to move rightwards.

2. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: the number of the left sliding rails (24) is two, and the left sliding rails are arranged in parallel and have a spacing distance.

3. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: the number of the right slide rails (34) is two, and the right slide rails are arranged in parallel and have a spacing distance.

4. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: and the first positioning rod (a) and the fourth positioning rod (d) are respectively in threaded fit with locking nuts to respectively lock the positions of the first positioning rod (a) and the fourth positioning rod (d).

5. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: four corners of the base (1) are respectively in threaded fit with hanging rings (6).

6. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: the quantity of slide rail (41) is two, and parallel arrangement just has the interval distance, the both sides of left slider (44), right slider (45) are equipped with spout (46) respectively, and two slide rail (41) cooperate respectively in spout (46) of left slider (44), right slider (45) both sides, form sliding fit.

7. The clamping tool for the rectangular block workpiece according to claim 6, wherein: and two ends of the sliding rail (41) are respectively bent inwards by 90 degrees to form a limiting part.

8. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: the inner side inclined planes of the left sliding block (44) and the right sliding block (45) are respectively positioned at the upper parts of the left sliding block (44) and the right sliding block (45).

9. The clamping tool for the rectangular block workpiece is characterized in that the bracket (5) comprises L-shaped brackets (11) arranged on the left side and the right side of the base (1), the horizontal edge of the L-shaped bracket (11) extends outwards and is provided with a positioning open slot (12) for a bolt to pass through.

10. The clamping tool for the rectangular block workpiece according to claim 1, characterized in that: the left sliding rail (24), the right sliding rail (34), the sliding rail (41), the first limiting seat (21), the second limiting seat (22), the third limiting seat (23), the fourth limiting seat (31), the fifth limiting seat (32) and the sixth limiting seat (33) are fixed on the base (1) through bolts respectively.