CN223325908U - Self-positioning clamping device - Google Patents

Abstract

The utility model relates to the technical field of self-positioning clamping, and discloses a self-positioning clamping device which comprises a base, wherein a limiting frame is fixedly arranged on the surface of the base, sliding grooves are formed in two sides of the surface of the limiting frame, limiting rods are fixedly arranged between the sliding grooves, clamping components are slidably connected to the surfaces of the limiting rods, supporting rods are arranged at four corners of the surface of the limiting frame, a placing plate is fixedly arranged at the top of the supporting rods, and a limiting plate is fixedly arranged in the middle of the surface of the placing plate. This self-positioning clamping device, through the setting of spacing frame, gag lever post and clamping assembly, in the in-process of using, personnel start electric putter, and electric putter will be through the joint board with the grip block to the centre removal thereupon, when removing, the sliding block slides on the surface of gag lever post, has played the effect that makes things convenient for personnel to carry out automatic centre gripping to the work piece, and can carry out the centre gripping to the work piece of equidimension not, only need change the grip block can.

Description

Self-positioning clamping device

Technical Field

The utility model relates to the technical field of self-positioning clamping, in particular to a self-positioning clamping device.

Background

In the manufacturing industry of industrialized countries, numerical control machine tools, machining centers, flexible manufacturing units, flexible manufacturing systems and flexible manufacturing lines are widely adopted, traditional lathes, drilling machines, milling machines, grinding machines and planing machines have tendencies of being replaced and eliminated, and the numerical control machines, the machining centers, FMCs and FMSs are increasingly widely applied in China, but people often only pay attention to the performance, the machining precision, the machining range, the tool magazine capacity and the like of the equipment when purchasing the equipment, and few consideration is given to which clamp is selected.

However, the existing self-positioning clamping device has the following defects:

the existing clamp is single in arrangement, is difficult to clamp in an automatic positioning mode, leads to machining workpieces of different sizes, and needs to be replaced for clamping, so that the clamp is high in use cost, and the replacement is labor-consuming and time-consuming, so that the overall production efficiency is affected.

Disclosure of utility model

The utility model solves the technical problems that the self-positioning clamping device has higher practicability, can be used by simple operation and has simpler structure, and solves the problems that the existing clamp set in the background art is single, is difficult to automatically position and clamp, causes different sizes of processed workpieces, and needs to replace different clamps to clamp, so that the use cost is high, the replacement is labor-consuming and time-consuming, and the overall production efficiency is affected.

The self-positioning clamping device comprises a base, wherein a limiting frame is fixedly arranged on the surface of the base, sliding grooves are formed in two sides of the surface of the limiting frame, limiting rods are fixedly arranged between the sliding grooves, clamping components are connected to the surface of the limiting rods in a sliding mode, supporting rods are arranged at four corners of the surface of the limiting frame, a placing plate is fixedly arranged at the top of each supporting rod, a limiting plate is fixedly arranged in the middle of the surface of the placing plate, and a positioning component is fixedly arranged in the middle of the surface of the limiting plate.

Optionally, the clamping component includes sliding connection at the sliding block on gag lever post surface, the joint groove has been seted up on the surface of sliding block, the inside joint in joint groove has the grip block, the dwang has all been seted up to the both sides of sliding block, the link plate has been cup jointed on the surface of dwang, the spout has been seted up to one side of link plate surface, the inside sliding connection of spout has the control block, the bottom fixed mounting of control block has electric putter.

Optionally, the bottom fixed mounting of electric putter has the mounting panel, the spacing groove has been seted up to the surface of mounting panel for annular array equidistance, the internal thread in spacing groove runs through there is the locating bolt.

Optionally, the number of the sliding blocks is two, and the connection plates on two sides of the sliding blocks are arranged at opposite positions.

Optionally, the locating component includes the support column of fixed mounting at the middle part on limiting plate surface, the both sides on support column surface are all fixed mounting has the damping pole, the spring has been cup jointed on the surface of damping pole, the one end fixed mounting of damping pole has the toper piece.

Optionally, the inside of spacing frame has been seted up and has been run through the groove, the size in running through the groove and the big or small looks adaptation of electric putter.

The utility model provides a self-positioning clamping device, which has the following beneficial effects:

1. This self-positioning clamping device, through the setting of spacing frame, gag lever post and clamping assembly, in the in-process of using, personnel start electric putter, and electric putter will be through the joint board with the grip block to the centre removal thereupon, when removing, the sliding block slides on the surface of gag lever post, has played the effect that makes things convenient for personnel to carry out automatic centre gripping to the work piece, and can carry out the centre gripping to the work piece of equidimension not, only need change the grip block can.

2. This self-align clamping device, through the setting of limiting plate and locating component, in the in-process of using, personnel press down the work piece through locating component, and during the pressure, the inner wall of work piece extrudees locating component, and the spring on the locating component kick-backs and fixes a position the work piece through the inner wall of work piece, has played the effect that makes things convenient for personnel to fix a position the work piece of different internal diameters, has reduced the work piece and has taken place the condition emergence of skew when processing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a split structure of the present utility model;

FIG. 3 is a schematic view of a clamping assembly according to the present utility model;

FIG. 4 is a schematic view of a positioning assembly according to the present utility model;

Fig. 5 is an enlarged view of the structure of fig. a according to the present utility model.

1, A base, 2, a limiting frame, 3, a limiting rod, 4, a clamping assembly, 401, a sliding block, 402, a clamping block, 403, a rotating rod, 404, a connecting plate, 405, a control block, 406, an electric push rod, 5, a supporting rod, 6, a placing plate, 7, a limiting plate, 8, a positioning assembly, 801, a supporting column, 802, a damping rod, 803, a spring, 804 and a conical block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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.

Referring to fig. 1 to 5, the utility model provides a self-positioning clamping device, which comprises a base 1, wherein a limiting frame 2 is fixedly arranged on the surface of the base 1, sliding grooves are formed on two sides of the surface of the limiting frame 2, and a limiting rod 3 is fixedly arranged between the sliding grooves;

by the arrangement of the limiting rod 3, the sliding block 401 can be limited, and when the sliding block 401 slides on the surface of the limiting rod 3, the moving direction of the sliding block 401 can be controlled.

The surface of the limiting rod 3 is connected with a clamping assembly 4 in a sliding manner, and supporting rods 5 are arranged at four corners of the surface of the limiting frame 2;

Through the setting of bracing piece 5, make things convenient for personnel to install placing plate 6, reduced personnel and to place plate 6 and installed the step, improved work efficiency.

The top of the supporting rod 5 is fixedly provided with a placing plate 6, the middle part of the surface of the placing plate 6 is fixedly provided with a limiting plate 7, the middle part of the surface of the limiting plate 7 is fixedly provided with a positioning component 8, the inside of the limiting frame 2 is provided with a through groove, and the size of the through groove is matched with the size of the electric push rod 406;

Through the setting of running through the groove, make things convenient for personnel to install electric putter 406 and reciprocate at convenient electric putter 406, reduced the resistance when electric putter 406 reciprocates.

Embodiment one:

The clamping assembly 4 comprises sliding blocks 401 which are slidably connected to the surface of the limiting rod 3, clamping grooves are formed in the surfaces of the sliding blocks 401, clamping blocks 402 are clamped in the clamping grooves, rotating rods 403 are respectively arranged on two sides of the sliding blocks 401, connecting plates 404 are sleeved on the surfaces of the rotating rods 403, sliding grooves are formed in one sides of the surfaces of the connecting plates 404, control blocks 405 are slidably connected to the inner parts of the sliding grooves, electric push rods 406 are fixedly arranged at the bottoms of the control blocks 405, the number of the sliding blocks 401 is two, the connecting plates 404 on two sides of the sliding blocks 401 are arranged in opposite positions, the connecting plates 404 slide in the sliding grooves formed in two sides of the surface of the limiting frame 2, sliding grooves are formed in two sides of the surface of the connecting plates 404, and the sizes of the sliding grooves are matched with the sizes of the rotating rods 403;

In the use process, personnel start the electric putter 406, and then the electric putter 406 will promote control block 405, when promoting control block 405, control block 405 will move joint board 404 through dwang 403 of both sides, when joint board 404 moves, will move slider 401 to the centre through dwang 403, when slider 401 moves, will drive grip block 402 to the centre and move, grip block 402 moves to the centre and will carry out the centre and grasp the work piece on placing plate 6, has played the effect of carrying out the centre gripping to the work piece of equidimension.

Embodiment two:

the positioning assembly 8 comprises a support column 801 fixedly arranged in the middle of the surface of the limiting plate 7, damping rods 802 are fixedly arranged on two sides of the surface of the support column 801, springs 803 are sleeved on the surface of the damping rods 802, and conical blocks 804 are fixedly arranged at one ends of the damping rods 802;

In the use, personnel place the work piece in the middle part of placing board 6, extrude the work piece downwards thereupon, and the inner wall of work piece will extrude toper piece 804, and toper piece 804 is when receiving the extrusion, will drive damping rod 802 and spring 803 and extrude, and when damping rod 802 and spring 803 kick-back, will outwards prop up through support column 801 drive toper piece 804, and toper piece 804 will carry out spacingly to the work piece when propping up, fixes a position it, has played the effect that makes things convenient for personnel to fix a position the not equidimension work piece.

In the utility model, the working steps of the device are as follows:

Firstly, a person places a workpiece in the middle of a placing plate 6, then extrudes the workpiece downwards, the inner wall of the workpiece extrudes a conical block 804, when the conical block 804 is extruded, the damping rod 802 and a spring 803 are driven to extrude, when the damping rod 802 and the spring 803 rebound, the conical block 804 is driven to outwards prop up through a support column 801, and when the conical block 804 props up, the workpiece is limited and positioned;

The second step is that after the positioning is completed, the personnel starts the electric push rod 406, and then the electric push rod 406 pushes the control block 405, when pushing the control block 405, the control block 405 moves the joint plate 404 through the rotating rods 403 on two sides, when moving the joint plate 404, the sliding block 401 moves to the middle through the rotating rods 403, when moving the sliding block 401, the clamping block 402 is driven to move to the middle, and when moving the clamping block 402 to the middle, the workpiece on the placing plate 6 is clamped.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

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. The self-positioning clamping device comprises a base (1) and is characterized in that a limiting frame (2) is fixedly arranged on the surface of the base (1), sliding grooves are formed in two sides of the surface of the limiting frame (2), a limiting rod (3) is fixedly arranged between the sliding grooves, clamping components (4) are connected to the surface of the limiting rod (3) in a sliding mode, supporting rods (5) are arranged at four corners of the surface of the limiting frame (2), a placing plate (6) is fixedly arranged at the top of the supporting rods (5), a limiting plate (7) is fixedly arranged in the middle of the surface of the placing plate (6), and a positioning component (8) is fixedly arranged in the middle of the surface of the limiting plate (7).

2. The self-positioning clamping device according to claim 1, wherein the clamping component (4) comprises a sliding block (401) which is slidably connected to the surface of the limiting rod (3), a clamping groove is formed in the surface of the sliding block (401), a clamping block (402) is clamped in the clamping groove, rotating rods (403) are respectively formed in two sides of the sliding block (401), a connecting plate (404) is sleeved on the surface of the rotating rods (403), a sliding groove is formed in one side of the surface of the connecting plate (404), a control block (405) is slidably connected in the sliding groove, and an electric push rod (406) is fixedly arranged at the bottom of the control block (405).

3. The self-positioning clamping device of claim 2, wherein the bottom of the electric push rod (406) is fixedly provided with a mounting plate, the surface of the mounting plate is provided with limiting grooves in an annular array at equal intervals, and the internal threads of the limiting grooves penetrate through positioning bolts.

4. A self-positioning clamping device according to claim 2, wherein the number of the sliding blocks (401) is two, and the connection plates (404) on two sides of the sliding blocks (401) are arranged at opposite positions.

5. The self-positioning clamping device according to claim 1, wherein the positioning assembly (8) comprises a support column (801) fixedly installed in the middle of the surface of the limiting plate (7), damping rods (802) are fixedly installed on two sides of the surface of the support column (801), springs (803) are sleeved on the surface of the damping rods (802), and conical blocks (804) are fixedly installed at one ends of the damping rods (802).

6. The self-positioning clamping device according to claim 1, wherein a through groove is formed in the limiting frame (2), and the size of the through groove is matched with that of the electric push rod (406).

7. The self-positioning clamping device according to claim 4, wherein the connecting plate (404) slides in sliding grooves formed in two sides of the surface of the limiting frame (2), sliding grooves are formed in two sides of the surface of the connecting plate (404), and the size of the sliding grooves is matched with that of the rotating rod (403).