CN212601403U

CN212601403U - Workpiece clamping and positioning device

Info

Publication number: CN212601403U
Application number: CN202021077788.3U
Authority: CN
Inventors: 李惠军
Original assignee: Suzhou Baoyun Machinery Technology Co ltd
Current assignee: Suzhou Baoyun Machinery Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-02-26
Anticipated expiration: 2030-06-11

Abstract

The utility model relates to the technical field of machining equipment, and discloses a workpiece clamping and positioning device, which comprises a base, a clamping table and a positioning hole; the upper surface of centre gripping platform is carved with the round all around and is used for the angle line of positioning measurement treating the hold assembly angle, the upper surface left side and the front side of base all are carved with a set of scale mark that is used for measuring the location distance, a plurality of groups from inside to outside evenly spread the distributed locating hole is seted up to the upside of centre gripping platform, the upside of centre gripping platform is provided with three reference columns of group, vertical through-hole has been seted up to the inside center department of reference column, the inside telescopic connection of through-hole has vertical gag lever post, bayonet connection in the bottom of gag lever post is to the locating hole, vertical spout has been seted up to the front and back bilateral symmetry of reference column, the inside sliding connection of vertical spout has the slider, a set of annular structure's sliding sleeve is installed jointly in the outside of slider, the left side fixed mounting of sliding sleeve has.

Description

Workpiece clamping and positioning device

Technical Field

The utility model relates to a machining equipment technical field specifically is a work piece centre gripping positioner.

Background

The requirement of accurately positioning a workpiece is frequently met in the process of processing and detecting a specific workpiece. The workpiece is accurately positioned in a plane and is clamped at a preset position, namely the workpiece is positioned at a position with small error of a rectangular coordinate system of the plane.

Chinese patent (publication No. CN 207548501U, published as 2018.06.29) discloses a workpiece clamping and positioning device, which comprises a clamping stepping motor, a steering worm gear reducer and a workpiece seat, wherein the clamping stepping motor is connected with an input shaft of the steering worm gear reducer, an output shaft of the steering worm gear reducer is connected with a clamping device through a coupler, the clamping device is cylindrical, a seat opening is formed in the workpiece seat, a stable bearing is arranged on the seat opening, and the clamping device is sleeved in the stable bearing.

Disclosure of Invention

An object of the utility model is to provide a work piece centre gripping positioner to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a workpiece clamping and positioning device comprises a base, a clamping table and a positioning hole; the base sets up to the rectangle structure, and the bolt hole that runs through from top to bottom is seted up to the upside four corners of base for stably install the base. The centre of the upper side of the base is provided with a group of clamping tables of circular structures, and a circle of angle lines for positioning and measuring the angle of the part to be clamped is engraved on the periphery of the upper surface of each clamping table. And a group of scale marks for measuring the positioning distance are respectively marked on the left side and the front side of the upper surface of the base. The locating hole that a plurality of groups from inside to outside evenly spread the distribution is seted up to the upside of centre gripping platform, and the upside of centre gripping platform is provided with three reference columns of group, and vertical through-hole has been seted up to the inside center department of reference column, and the inside telescopic of through-hole is connected with vertical gag lever post, and the bottom of gag lever post is bayonet connection to in the locating hole, longitudinal sliding groove has been seted up to bilateral symmetry around the reference column, and the inside sliding connection of longitudinal sliding groove has the slider, and a set of annular structure's sliding sleeve is installed jointly in the outside of slider, through slider sliding connection in longitudinal sliding groove to. A group of transverse clamping rods are fixedly mounted on the left side of the sliding sleeve, and clamping plates used for directly contacting parts to be positioned are fixedly mounted at the bottoms of the clamping rods.

As a further aspect of the present invention: the top fixed mounting of gag lever post has horizontal pin, and the rectangular channel that is used for placing the pin is seted up at the top of reference column, when needs lift the gag lever post upwards, through shift out alright with the pin from the rectangular channel, when needs fix the reference column, only need insert in the locating hole with the bottom of gag lever post alright, the pin at this moment is arranged in the rectangular channel.

As a further aspect of the present invention: the bottom of the clamping plate is arranged to be of a corrugated structure and used for improving the stability of clamping.

As a further aspect of the present invention: a set of fastening block is fixedly mounted on the right side of the sliding sleeve, and a set of fastening bolts used for limiting the sliding sleeve to move up and down are in threaded connection with the right side of the fastening block.

As a further aspect of the present invention: the outside fixed mounting in top side of reference column has the baffle that the round prevented that the sliding sleeve upwards drops. The bottom of baffle is provided with the one deck rubber pad and is used for preventing sliding sleeve and baffle wearing and tearing each other.

Compared with the prior art, the beneficial effects of the utility model are that: through will treating the part of centre gripping location and place on the centre gripping bench, can carry out accurate position adjustment through scale mark and angle line, then utilize the bayonet restriction mode of simple gag lever post and locating hole, arrange splint in the upside of treating the hold assembly to carry out stable location with it through splint, whole process easy operation, simple structure to the quick location use of some small-size parts, the effect is high, and uses and manufacturing cost is lower.

Drawings

Fig. 1 is a schematic perspective external structure view of a workpiece clamping and positioning device.

Fig. 2 is a schematic front view of an internal structure of a workpiece holding and positioning device.

FIG. 3 is a schematic view of a positioning post of the workpiece clamping and positioning device.

Wherein: the clamping device comprises a base 10, scale marks 11, a clamping table 12, a bolt hole 13, an angle line 14, a positioning hole 15, a positioning column 16, a clamping rod 17, a clamping plate 18, a longitudinal sliding groove 19, a limiting rod 20, a stop rod 22, a baffle plate 23, a sliding sleeve 24, a fastening block 25, a fastening bolt 26 and a sliding block 27.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1-3, a workpiece clamping and positioning device includes a base 10, a clamping table 12, and a positioning hole 15; the base 10 is of a rectangular structure, and bolt holes 13 penetrating through the base 10 from top to bottom are formed in four corners of the upper side of the base 10 and used for stably installing the base 10. A group of clamping tables 12 with a circular structure are arranged at the center of the upper side of the base 10, and a circle of angle lines 14 for positioning and measuring the angle of a part to be clamped is printed on the periphery of the upper surface of each clamping table 12. The left side and the front side of the upper surface of the base 10 are both marked with a group of scale marks 11 for measuring the positioning distance. The upper side of the clamping table 12 is provided with a plurality of groups of positioning holes 15 which are uniformly and dispersedly distributed from inside to outside, the upper side of the clamping table 12 is provided with three groups of positioning columns 16, the center of the inside of each positioning column 16 is provided with a vertical through hole, the inside of each through hole is telescopically connected with a vertical limiting rod 20, the bottom of each limiting rod 20 is connected into the corresponding positioning hole 15 in an inserting mode, the top of each limiting rod 20 is fixedly provided with a transverse stop lever 22, the top of each positioning column 16 is provided with a rectangular groove used for placing the stop lever 22, when the limiting rods 20 need to be lifted upwards, the stop levers 22 can be moved out of the rectangular grooves, when the positioning columns 16 need to be fixed, only the bottoms of the limiting rods 20 need to be inserted into the positioning holes 15, and the stop levers 22. Longitudinal sliding grooves 19 are symmetrically formed in the front side and the rear side of the positioning column 16, sliding blocks 27 are connected to the inner portions of the longitudinal sliding grooves 19 in a sliding mode, a group of sliding sleeves 24 in an annular structure are jointly installed on the outer sides of the sliding blocks 27, and the sliding sleeves 24 are connected in the longitudinal sliding grooves 19 in a sliding mode through the sliding blocks 27, so that the height of the sliding sleeves 24 can be adjusted. A group of transverse clamping rods 17 is fixedly mounted on the left side of the sliding sleeve 24, a clamping plate 18 which is used for directly contacting a part to be positioned is fixedly mounted at the bottom of each clamping rod 17, and the bottom of each clamping plate 18 is of a corrugated structure and used for improving clamping stability. A set of fastening block 25 is fixedly mounted on the right side of the sliding sleeve 24, and a set of fastening bolts 26 for limiting the sliding sleeve 24 to move up and down is connected to the right side of the fastening block 25 through threads.

Example two

On the basis of the first embodiment, a ring of baffle plates 23 for preventing the sliding sleeve 24 from falling off upwards are fixedly installed on the top side surface of the positioning column 16 outwards. The bottom of the baffle 23 is provided with a layer of rubber pad for preventing the sliding sleeve 24 and the baffle 23 from being worn.

The utility model discloses a theory of operation is: the part that will wait to the centre gripping location is first placed on centre gripping platform 12, then confirms the position of part according to scale mark 11 and the angle line 14 that set up, then through utilizing three sets of reference columns 16, inserts in corresponding locating hole 15 through the gag lever post 20 of its bottom to carry out accurate location with the part, then utilizes fastening bolt 26 fixed clamping bar 17 through splint 18 downstream, thereby carries out the centre gripping with the part and stabilizes.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A workpiece clamping and positioning device comprises a base (10), a clamping table (12) and a positioning hole (15); the base (10) is of a rectangular structure, and bolt holes (13) which penetrate through the base (10) from top to bottom are formed in four corners of the upper side of the base (10), the base is characterized in that a group of clamping tables (12) of a circular structure are arranged in the center of the upper side of the base (10), a circle of angle lines (14) for positioning and measuring the angle of a part to be clamped is printed on the periphery of the upper surface of each clamping table (12), a group of scale marks (11) for measuring the positioning distance are printed on the left side and the front side of the upper surface of the base (10), a plurality of groups of positioning holes (15) which are uniformly and dispersedly distributed from inside to outside are formed in the upper side of each clamping table (12), three groups of positioning columns (16) are arranged on the upper side of each clamping table (12), vertical through holes are formed in the centers of the positioning columns (16), vertical limiting rods (20) are telescopically connected in, longitudinal sliding grooves (19) are symmetrically formed in the front side and the rear side of the positioning column (16), a sliding block (27) is connected to the inner portion of each longitudinal sliding groove (19) in a sliding mode, a sliding sleeve (24) of a set of annular structures is jointly installed on the outer side of each sliding block (27), a set of transverse clamping rods (17) are fixedly installed on the left side of each sliding sleeve (24), and clamping plates (18) used for directly contacting to-be-positioned components are fixedly installed on the bottoms of the clamping rods (17).

2. The workpiece clamping and positioning device as recited in claim 1, characterized in that a transverse stop lever (22) is fixedly mounted at the top of the limiting lever (20), and a rectangular groove for placing the stop lever (22) is formed at the top of the positioning post (16).

3. A workpiece holding and positioning device as set forth in claim 2, characterized in that the bottom of the clamping plate (18) is provided with a corrugated structure.

4. A workpiece holding and positioning device as claimed in claim 3, characterized in that a set of fastening blocks (25) is fixedly mounted on the right side of the sliding sleeve (24), and a set of fastening bolts (26) for limiting the up-and-down movement of the sliding sleeve (24) is connected to the right side of the fastening blocks (25) in a threaded manner.

5. A workpiece holding and positioning device as claimed in any one of claims 1 to 4, characterized in that a ring of baffle (23) for preventing the sliding sleeve (24) from falling off upwards is fixedly mounted outwards on the top side of the positioning column (16), and a rubber pad is arranged at the bottom of the baffle (23).