CN215035573U

CN215035573U - Special clamp for machining flange plate

Info

Publication number: CN215035573U
Application number: CN202121263701.6U
Authority: CN
Inventors: 贡碧宇; 王剑; 陈立; 周杰
Original assignee: Jiangsu Fuzi Automation Equipment Co ltd
Current assignee: Jiangsu Fuzi Automation Equipment Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-07
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a special fixture for processing a flange plate, which comprises a bottom plate, wherein four groups of chutes are arranged in the middle of the upper end of the bottom plate, a circular cavity is arranged at the lower end of each chute, a turntable is movably connected in the circular cavity, a plurality of groups of guide grooves are arranged at the upper end of the turntable, a control column is fixedly connected to the middle of the upper end of the turntable, two groups of guide wheels are movably connected to the lower end of a clamping block and are respectively slidably connected in the two groups of guide grooves, four groups of spring boxes are fixedly connected around the upper end of the bottom plate, and the front end and the rear end of each spring are respectively fixedly connected to the rear end of a limiting block and the inner wall of the rear end of each spring box; through filling the ring flange in the middle of the locating piece that four groups spring box stretches out, the locating piece is with the ring flange location in the base upper end under the spring action of spring in the spring box this moment, can directly loosen both hands this moment, carries out the clamp tight on next step, and labour saving and time saving has improved machining efficiency.

Description

Special clamp for machining flange plate

Technical Field

The utility model relates to a special fixture technical field specifically is a special fixture of ring flange processing usefulness.

Background

The flange is called flange only, and usually refers to that several fixing holes are opened on the periphery of a metal body similar to a disc for connecting other things. The flange plate is widely applied to machinery, so that the appearance is very strange, and as long as the flange plate is called, a clamp is generally used during processing so as to conveniently position the flange plate; the existing flange plate clamp is easy to use and labor-consuming, and reduces machining efficiency because the clamp can clamp a small number of flange plates, is poor in clamp universality and can release a special clamp for flange plate machining when the flange is clamped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special fixture of ring flange processing usefulness 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 special clamp for machining a flange plate comprises a bottom plate, wherein four groups of sliding grooves are formed in the middle of the upper end of the bottom plate, a circular cavity is formed in the lower end of each sliding groove, a rotary plate is movably connected into the circular cavity, a connecting shaft is fixedly connected to the middle of the lower end of the rotary plate and movably connected into the rotary plate through a bearing, the bearing is fixedly connected to the inner wall of the lower end of the circular cavity, a plurality of groups of guide grooves are formed in the upper end of the rotary plate, a control column is fixedly connected to the middle of the upper end of the rotary plate, a wrench inserting groove is formed in the middle of the upper end of the control column, clamping blocks are respectively and slidably connected into the four groups of sliding grooves, two groups of guide wheels are movably connected to the lower ends of the clamping blocks and are respectively and slidably connected into the two groups of guide grooves, and the guide wheels are movably connected to the bottoms of the clamping blocks through pin shafts;

four groups of spring boxes are fixedly connected to the periphery of the upper end of the bottom plate, springs are arranged in the spring boxes, the front ends and the rear ends of the springs are fixedly connected to the rear ends of the limiting blocks and the inner walls of the rear ends of the spring boxes respectively, the front ends of the limiting blocks are fixedly connected to the rear ends of the positioning blocks, and the front ends of the positioning blocks extend out of the spring boxes.

As a further optimization of the technical scheme, four groups of screw connection through grooves are formed in the outer side of the upper end of the bottom plate, bolts are filled in the screw connection through grooves, and the bottom plate is connected to the machining lathe through the bolts.

As a further optimization of the technical scheme, the clamping block is fixedly connected with anti-skidding teeth on the clamping surface, the two sides of the middle part of the clamping block are provided with sliding connection grooves, and the sliding connection grooves are connected in the sliding grooves in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: the flange plate is filled between the positioning blocks extending out of the four groups of spring boxes, the positioning blocks position the flange plate at the upper end of the base under the elastic force action of the springs in the spring boxes, and the two hands can be directly loosened to clamp the flange plate in the next step, so that time and labor are saved, and the processing efficiency is improved;

after the ring flange was fixed a position in the base upper end by the locating piece, insert the allen key to the spanner slot in, anticlockwise rotation spanner this moment, the spanner drives the carousel synchronous motion of control post lower extreme, the leading wheel in the leading groove of carousel upper end drives and presss from both sides tight piece and do the motion of opening along the spout this moment, four groups press from both sides tight piece and open simultaneously, can press from both sides tightly the ring flange, four groups press from both sides tight piece and can open simultaneously and tighten up, press from both sides tight piece to the adjustment of different ring flanges accessible, the commonality is higher.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

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

fig. 3 is a schematic view of the top view structure of the flange plate of the present invention in the clamping state;

FIG. 4 is a schematic view of the top view structure of the turntable of the present invention;

fig. 5 is a schematic view of the clamping surface structure of the clamping block of the present invention.

In the figure: the device comprises a base plate 1, a threaded through groove 2, a bolt 201, a spring box 3, a spring 301, a limiting block 302, a positioning block 303, a control column 4, a wrench slot 401, a circular cavity 402, a sliding groove 5, a clamping block 6, an anti-slip tooth 601, a sliding groove 602, a guide wheel 603, a pin shaft 604, a bearing 7, a rotating disc 8, a guide groove 801, a connecting shaft 802 and a flange 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a special clamp for machining a flange plate comprises a bottom plate 1, wherein four groups of sliding grooves 5 are formed in the middle of the upper end of the bottom plate 1, a circular cavity 402 is formed in the lower end of each sliding groove, a rotary table 8 is movably connected into the circular cavity 402, a plurality of groups of guide grooves 801 are formed in the upper end of the rotary table 8, a control column 4 is fixedly connected to the middle of the upper end of the rotary table 8, a wrench inserting groove 401 is formed in the middle of the upper end of the control column 4, clamping blocks 6 are respectively and slidably connected into the four groups of sliding grooves 5, two groups of guide wheels 603 are movably connected to the lower end of each clamping block 6, the two groups of guide wheels 603 are respectively and slidably connected into the two groups of guide grooves 801, and the guide wheels 603 are movably connected to the bottoms of the clamping blocks 6 through pin shafts 604;

four groups of spring boxes 3 are fixedly connected to the periphery of the upper end of the base plate 1, springs 301 are arranged in the spring boxes 3, the front ends and the rear ends of the springs 301 are fixedly connected to the rear ends of the limiting blocks 302 and the inner walls of the rear ends of the spring boxes 3 respectively, the front ends of the limiting blocks 302 are fixedly connected to the rear ends of the positioning blocks 303, and the front ends of the positioning blocks 303 extend out of the spring boxes 3.

Specifically, four groups of bolt connection through grooves 2 are formed in the outer side of the upper end of the bottom plate 1, bolts 201 are filled in the bolt connection through grooves 2, and the bottom plate 1 is connected to a machine tool through the bolts 201.

Specifically, the middle part of the lower end of the rotating disc 8 is fixedly connected with a connecting shaft 802, the connecting shaft 802 is movably connected in the rotating disc 8 through a bearing 7, and the bearing 7 is fixedly connected to the inner wall of the lower end of the circular cavity 402.

Specifically, the clamping surface of the clamping block 6 is fixedly connected with anti-skidding teeth 601, the two sides of the middle part of the clamping block 6 are provided with sliding connection grooves 602, and the sliding connection grooves 606 are in sliding connection with the sliding grooves 5.

Specifically, the guide wheel 603 is movably connected to the bottom of the clamping block 6 through a pin 604.

Specifically, the clamping surface of the positioning block 303 is a concave arc, so that clamping is facilitated.

Specifically, the clamping surface of the clamping block 6 is a convex arc, so that the clamping is convenient.

Specifically, the bolt 201 can be hidden in the bolt through groove 2 after the bottom plate 1 is installed.

Specifically, when the clamping device is used, the bottom plate 1 can be fixed on a processing lathe through the bolts 201 arranged in the screw connection through grooves 2, the flange plate 9 is filled between the positioning blocks 303 extending out of the four groups of spring boxes 3, the positioning blocks 303 position the flange plate 9 at the upper end of the base 1 under the elastic force action of the springs 301 in the spring boxes 3, and at the moment, both hands can be directly loosened to clamp in the next step;

after the flange plate 9 is positioned at the upper end of the base 1 by the positioning block 306, an inner hexagonal wrench is inserted into the wrench insertion slot 401, the wrench is rotated anticlockwise at the moment and drives the turntable 8 at the lower end of the control column 4 to move synchronously, the guide wheel 603 in the guide slot 801 at the upper end of the turntable 8 drives the clamping blocks 6 to move along the sliding slot 5 in an opening manner, the four groups of clamping blocks 6 are opened simultaneously, the flange plate 9 can be clamped, and the four groups of clamping blocks 6 can be opened and tightened simultaneously;

after the machining is finished, the wrench can be rotated clockwise, the wrench drives the rotary table 8 at the lower end of the control column 4 to move synchronously, the guide wheel 603 in the guide groove 801 at the upper end of the rotary table 8 drives the clamping blocks 6 to do tightening movement along the sliding groove 5, the four groups of clamping blocks 6 are tightened simultaneously, and the flange plate 9 can be detached.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special fixture of ring flange processing usefulness, includes bottom plate (1), its characterized in that: four groups of sliding chutes (5) are formed in the middle of the upper end of the bottom plate (1), a circular cavity (402) is formed in the lower end of each sliding chute (5), a rotary table (8) is movably connected in the circular cavity (402), a plurality of groups of guide grooves (801) are formed in the upper end of the rotary table (8), a control column (4) is fixedly connected in the middle of the upper end of the rotary table (8), a wrench inserting groove (401) is formed in the middle of the upper end of the control column (4), clamping blocks (6) are respectively connected in the four groups of sliding chutes (5) in a sliding mode, two groups of guide wheels (603) are movably connected at the lower end of each clamping block (6), and the two groups of guide wheels (603) are respectively connected in the two groups of guide grooves (801) in a sliding mode;

bottom plate (1) upper end four groups of spring box (3) of fixedly connected with all around, be equipped with spring (301) in spring box (3), spring (301) front and back end is fixed connection respectively in stopper (302) rear end and spring box (3) rear end inner wall, stopper (302) front end fixed connection is in locating piece (303) rear end, spring box (3) are stretched out to locating piece (303) front end.

2. The special fixture for machining a flange according to claim 1, wherein: four groups of screw connection through grooves (2) are formed in the outer side of the upper end of the bottom plate (1), bolts (201) are filled in the screw connection through grooves (2), and the bottom plate (1) is connected to a machining lathe through the bolts (201).

3. The special fixture for machining a flange according to claim 1, wherein: the rotary table is characterized in that a connecting shaft (802) is fixedly connected to the middle of the lower end of the rotary table (8), the connecting shaft (802) is movably connected into the rotary table (8) through a bearing (7), and the bearing (7) is fixedly connected to the inner wall of the lower end of the circular cavity (402).

4. The special fixture for machining a flange according to claim 1, wherein: the clamping block (6) is fixedly connected with anti-skidding teeth (601) on the clamping surface, the sliding connection grooves (602) are formed in the two sides of the middle of the clamping block (6), and the sliding connection grooves (602) are connected in the sliding grooves (5) in a sliding mode.

5. The special fixture for machining a flange according to claim 1, wherein: the guide wheel (603) is movably connected to the bottom of the clamping block (6) through a pin shaft (604).