CN223670752U - An adjustable double-plate pneumatic clamp - Google Patents

Abstract

This utility model relates to the field of clamping technology and discloses an adjustable double-plate pneumatic clamp, including a base. Both sides of the top of the base are provided with anti-damage mechanisms, and each of the two anti-damage mechanisms is equipped with a positioning mechanism. The positioning mechanism includes movable seats slidably connected to both sides of the top of the base. Each of the two movable seats has a square notch at one end close to each other. The bottom ends of the two square notches are symmetrically fixedly connected to fixed shafts, and the outer walls of the two sets of fixed shafts are rotatably connected to positioning plates. Through the structure of the positioning mechanism, rapid positioning of circular workpieces is achieved, avoiding repeated adjustments, saving adjustment time, and improving subsequent processing efficiency. This solves the problem that traditional clamps require repeated adjustments of the workpiece position during use, leading to increased adjustment time and affecting subsequent processing efficiency.

Description

Adjustable double-pressing plate pneumatic clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to an adjustable double-pressing plate pneumatic clamp.

Background

In the machining process, a workpiece is required to be fixed for machining, a custom fixture aiming at the shape of the workpiece is usually adopted for fixing the workpiece, and an adjustable double-pressing plate pneumatic fixture is driven by air pressure to clamp and position the workpiece.

The Chinese patent provides an adjustable double-pressing-plate pneumatic clamp, the publication number of which is CN214292103U, which comprises a guide rail column, a clamping seat, a first pneumatic pressing plate and a second pneumatic pressing plate, wherein the clamping seat is connected to a guide rail of the guide rail column in a sliding manner, a first air cylinder of the first pneumatic pressing plate is connected to the upper surface of the clamping seat through bolts, the first pneumatic pressing plate comprises a frame plate, a first mounting column and a first pressing plate, the frame plate is buckled on an end cover of the first air cylinder, one end of the first mounting column is connected to a piston end of the first air cylinder, and the other end of the first mounting column is connected to the first pressing plate.

Above-mentioned anchor clamps can dismantle through following guide rail post length direction with the pneumatic clamp plate of second, can avoid the too much problem that leads to the interference of peripheral equipment in the in-service use, but need adjust the position of its work piece in the use, lead to needing the workman to adjust repeatedly, have increased and have adjusted used time, influence subsequent machining efficiency.

Disclosure of utility model

The utility model aims to provide an adjustable double-pressing plate pneumatic clamp, which aims to solve the problems that the position of a workpiece of the existing clamp needs to be adjusted in the use process, so that a worker needs to adjust repeatedly, the time for adjusting is increased, and the subsequent processing efficiency is influenced.

In order to achieve the purpose, the utility model provides the technical scheme that the adjustable double-pressing plate pneumatic clamp comprises a base, wherein two sides of the top end of the base are provided with damage prevention mechanisms, and two of the damage prevention mechanisms are provided with positioning mechanisms;

The positioning mechanism comprises moving seats which are slidably connected to two sides of the top end of the base, square notches are formed in two positions, which are close to one end of each other, of each moving seat, a fixed shaft is symmetrically and fixedly connected to the bottom end of each square notch, two groups of positioning plates are rotatably connected to the outer wall of each fixed shaft, two groups of positioning plates are fixedly connected to the top end of each fixed shaft, two groups of fixing blocks and two square notches are fixedly connected respectively, two electric pushing rods are symmetrically and fixedly inlaid in one ends, which are close to one another, of each square notch, two groups of electric pushing rods are rotatably connected to telescopic ends of each electric pushing rod, and two groups of sliding blocks and two groups of positioning plates are slidably connected respectively.

Preferably, the damage prevention mechanism comprises sliding grooves symmetrically arranged at the top end of the base, and sliding plates are slidably connected to the inner walls of the two sliding grooves.

Preferably, the two bottom ends of the movable seat are provided with grooves, the two grooves and the two sliding plates are respectively connected in a sliding mode, and the two groups of grooves and the sliding plates are fixedly connected with first springs.

Preferably, one side of the inner wall of each sliding groove is rotationally connected with a threaded rod, and the two threaded rods and the two sliding plates are in threaded connection respectively.

Preferably, the two ends of the base are fixedly connected with motors, and the two motor driving ends and the two threaded rods are respectively and fixedly connected.

Preferably, two equal fixedly connected with mount of removal seat outer wall both sides, two equal symmetrical fixedly connected with electric cylinder of mount inner wall, two sets of electric cylinder flexible end is equal fixedly connected with clamp plate body, two clamp plate body and mount sliding connection.

Preferably, the bottom ends of the two pressing plates are fixedly connected with a plurality of second springs, and the two groups of second springs and the two movable seats are respectively and fixedly connected.

Compared with the prior art, the utility model has the beneficial effects that:

1) This pneumatic anchor clamps of two clamp plates with adjustable through positioning mechanism's setting, can carry out automatically regulated to circular work piece, guarantees that circular work piece is in directly over the circular hole, accomplishes the quick location to circular work piece, has avoided the condition of adjusting repeatedly, has saved the time of adjusting, improves subsequent machining efficiency.

2) This pneumatic anchor clamps of two clamp plates with adjustable through the setting of preventing damaging mechanism, can avoid the clamping force too big when carrying out the centre gripping to circular work piece, avoids causing the damage to the outer wall of circular work piece to guarantee the integrality of circular work piece.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an adjustable dual-platen pneumatic clamp of the present utility model;

FIG. 2 is a side perspective view of an adjustable dual platen pneumatic clamp of the present utility model;

FIG. 3 is a groove structure diagram of an adjustable dual-platen pneumatic clamp of the present utility model;

FIG. 4 is an illustration showing a positioning mechanism of an adjustable dual platen pneumatic clamp according to the present utility model.

In the figure, 1, a base; 2, a positioning mechanism, 201, a movable seat, 202, a square notch, 203, a fixed shaft, 204, a positioning plate, 205, a fixed block, 206, an electric push rod, 207, a sliding block, 3, a damage prevention mechanism, 301, a sliding groove, 302, a sliding plate, 303, a groove, 304, a first spring, 305, a threaded rod, 306, a motor, 307, a fixed frame, 308, an electric cylinder, 309, a pressing plate body, 310 and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, an adjustable double-pressing plate pneumatic clamp comprises a base 1, damage prevention mechanisms 3 are arranged on two sides of the top end of the base 1, and positioning mechanisms 2 are arranged on the two damage prevention mechanisms 3.

Referring to fig. 1, fig. 2 and fig. 4, further obtain, positioning mechanism 2 includes sliding connection in the removal seat 201 of base 1 top both sides, square breach 202 has all been seted up to two removal seats 201 near one end each other, two equal symmetrical fixedly connected with fixed axle 203 in square breach 202 bottom, two sets of fixed axle 203 outer walls all rotate and are connected with locating plate 204, two equal fixedly connected with fixed block 205 in fixed axle 203 top of sets of fixed axle 205, two sets of fixed blocks 205 and two square breach 202 are fixed connection respectively, two equal symmetrical fixed electric putter 206 of inlaying of square breach 202 near one end each other, two sets of electric putter 206 flexible end all rotate and are connected with slider 207, two sets of slider 207 and two sets of locating plate 204 are sliding connection respectively.

Specifically, the round workpiece can be placed on the square notch 202, and then the round workpiece is positioned by the positioning plate 204, so that the round workpiece is positioned right above the round hole, the subsequent drilling is convenient, the positioning plate 204 is subjected to limiting treatment by the fixing shaft 203, the included angle between the positioning plates 204 is changed, the round workpiece with different diameters can be suitable for synchronous movement of the electric push rods 206 controlled by the synchronous controller, and the positioning plate 204 can be synchronously moved under the cooperation of the sliding blocks 207, therefore, the round workpiece can be automatically positioned and adjusted, the convenience and the rapidness are realized, and the adjusting time is saved.

Example two

Referring to fig. 1-3, and further obtaining, based on the first embodiment, the damage preventing mechanism 3 includes a chute 301 symmetrically formed at the top end of the base 1, sliding plates 302 are slidably connected to inner walls of the two chute 301, grooves 303 are formed at bottom ends of the two moving seats 201, the two grooves 303 and the two sliding plates 302 are slidably connected respectively, first springs 304 are fixedly connected between the two sets of grooves 303 and the sliding plates 302, threaded rods 305 are rotatably connected to one side of inner walls of the two chute 301, the two threaded rods 305 and the two sliding plates 302 are respectively in threaded connection, motors 306 are fixedly connected to two ends of the base 1, driving ends of the two motors 306 and the two threaded rods 305 are respectively in fixed connection, fixing frames 307 are fixedly connected to two sides of outer walls of the two moving seats 201, electric cylinders 308 are symmetrically and fixedly connected to inner walls of the two fixing frames 307, telescopic ends of the two sets of electric cylinders 308 are fixedly connected with pressing plate bodies 309, the two pressing plate bodies 309 are slidably connected to the fixing frames 307, the two pressing plate bottom ends are fixedly connected to a plurality of second springs 310, and the two sets of second springs 310 are fixedly connected to the two moving seats 201 respectively.

Specifically, the sliding plate 302 is subjected to limit processing through the sliding groove 301, when the sliding plate 302 moves, the first spring 304 in the extrusion groove 303 can be made to extrude, so that damage to the surface of the circular workpiece can be avoided when the circular workpiece is clamped, the integrity of the outer wall of the circular workpiece is ensured, the motor synchronously rotates when the motor 306 is controlled by the synchronous controller, so that the threaded rods 305 on two sides can be brought to rotate, the sliding plate 302 can be moved in opposite directions due to the opposite spiral directions of the threaded rods 305 on two sides, the movable seat 201 is brought to move in opposite directions, the clamping operation of the circular workpiece is completed, and then the electric cylinder 308 is controlled by the synchronous controller to synchronously move, so that the pressing plate body 309 is pressed above the circular workpiece, further clamping and fixing of the circular workpiece are completed, damage to the top end of the circular workpiece can be prevented, the integrity of the circular workpiece is ensured, and the stability of the circular workpiece during drilling is ensured.

In the actual operation process, firstly, a round workpiece is placed on the square notch 202, then the electric push rod 206 is controlled by the synchronous controller to push the slide block 207 to move, and as the slide block 207 and the positioning plate 204 are in sliding connection, the positioning plate 204 can synchronously move and the round workpiece is positioned right above the round hole, so that the round workpiece is positioned, repeated adjustment is avoided, the adjustment time is saved, and the subsequent processing efficiency is improved;

After adjustment, the motor 306 is controlled by the synchronous controller to rotate the threaded rod 305, the sliding plate 302 can move in opposite directions through the threaded effect of the threaded rod 305, so that the moving seat 201 can be moved, the outer wall of the round workpiece is clamped, the damage to the outer wall of the round workpiece is avoided due to the fact that the first spring 304 is too large in clamping force, the electric cylinder 308 is controlled by the synchronous controller to move downwards, the top end of the round workpiece can be clamped and fixed, the downward pressure can be prevented from being too large due to the fact that the second spring 310 exists, damage to the top end of the round workpiece is prevented, and the integrity of the round workpiece is guaranteed.

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

Claims (7)

1. An adjustable double-pressing-plate pneumatic clamp comprises a base (1) and is characterized in that damage prevention mechanisms (3) are arranged on two sides of the top end of the base (1), and positioning mechanisms (2) are arranged on the two damage prevention mechanisms (3);

Positioning mechanism (2) are in including sliding connection remove seat (201) in base (1) top both sides, two remove seat (201) and all offered square breach (202) near one end each other, two square breach (202) bottom equal symmetry fixedly connected with fixed axle (203), two sets of fixed axle (203) outer wall all rotates and is connected with locating plate (204), two sets of fixed axle (203) top equal fixedly connected with fixed block (205), two sets of fixed block (205) and two square breach (202) are fixed respectively, two square breach (202) are close to one end each other and all symmetry are inlayed have electric putter (206), two sets of electric putter (206) flexible end all rotate and are connected with slider (207), two sets of slider (207) and two sets of locating plate (204) are sliding connection respectively.

2. The adjustable double-pressing plate pneumatic clamp of claim 1, wherein the damage prevention mechanism (3) comprises sliding grooves (301) symmetrically formed in the top end of the base (1), and sliding plates (302) are slidably connected to the inner walls of the two sliding grooves (301).

3. The adjustable double-pressing plate pneumatic clamp as claimed in claim 2, wherein grooves (303) are formed in the bottom ends of the two movable bases (201), the two grooves (303) and the two sliding plates (302) are respectively connected in a sliding mode, and a first spring (304) is fixedly connected between the two groups of grooves (303) and the sliding plates (302).

4. The adjustable double-pressing plate pneumatic clamp as claimed in claim 3, wherein one side of the inner wall of each sliding groove (301) is rotatably connected with a threaded rod (305), and the two threaded rods (305) and the two sliding plates (302) are respectively in threaded connection.

5. The adjustable double-pressing plate pneumatic clamp as claimed in claim 4, wherein two ends of the base (1) are fixedly connected with motors (306), and two driving ends of the motors (306) are respectively and fixedly connected with two threaded rods (305).

6. The adjustable double-pressing plate pneumatic clamp as claimed in claim 5, wherein two fixing frames (307) are fixedly connected to two sides of the outer wall of the movable seat (201), electric cylinders (308) are symmetrically and fixedly connected to the inner walls of the two fixing frames (307), pressing plate bodies (309) are fixedly connected to telescopic ends of the two groups of electric cylinders (308), and the two pressing plate bodies (309) are in sliding connection with the fixing frames (307).

7. The adjustable double-pressing plate pneumatic clamp as claimed in claim 6, wherein the bottom ends of the two pressing plates are fixedly connected with a plurality of second springs (310), and the two groups of the second springs (310) and the two movable seats (201) are respectively and fixedly connected.