CN211073180U

CN211073180U - Workpiece clamping device

Info

Publication number: CN211073180U
Application number: CN201922096028.0U
Authority: CN
Inventors: 刘涛
Original assignee: Zhenjiang Dao Precision Tools Co ltd
Current assignee: Zhenjiang Dao Precision Tools Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-24
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a workpiece clamping device which is applied to a plane grinder and comprises a plurality of clamping mechanisms; each clamping mechanism comprises an air cylinder, a mounting plate connected to the head end of a piston rod of the air cylinder and a flexible clamping block, the flexible clamping block is connected to one side, away from the air cylinder, of the mounting plate through a plurality of elastic components, and the flexible clamping block faces a workpiece and is used for clamping the workpiece under the driving of the air cylinder. Its technical scheme makes a plurality of clamping mechanism with the position of predetermineeing install the tight work piece of clamp that can automize jointly on the plane grinder to avoid the damage to work piece edge, degree of automation is high, can alleviate operating personnel's work burden greatly.

Description

Workpiece clamping device

Technical Field

The utility model relates to a grinding machine technical field especially relates to a work piece clamping device.

Background

A surface grinder is a machine tool often used in the machining production of workpieces, and the main operation is to fix the workpiece and grind the surface of the workpiece by a grinder. At present, the workpiece is generally fixed on a machine tool operation platform through various clamps, the position control of a grinding machine is generally only longitudinally adjustable, in actual use, the alignment operation of the workpiece is very inconvenient due to the design, the edge of the workpiece is easily damaged by the positioning of the clamps, and the operation burden of workers is large.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, a workpiece clamping device is provided to automatically clamp a workpiece and avoid damage to the edge of the workpiece, so as to overcome the above technical drawbacks.

The specific technical scheme is as follows:

a workpiece clamping device is applied to a plane grinder and comprises a plurality of clamping mechanisms;

each clamping mechanism comprises an air cylinder, a mounting plate connected to the head end of a piston rod of the air cylinder and a flexible clamping block, the flexible clamping block is connected to one side, away from the air cylinder, of the mounting plate through a plurality of elastic components, and the flexible clamping block faces a workpiece and is used for clamping the workpiece under the driving of the air cylinder.

Preferably, the elastic member is a spring.

Preferably, the elastic member is a plastic column.

Preferably, the number of the clamping mechanisms is four, and the clamping mechanisms are arranged on the working platform of the surface grinding machine in an annular uniform array and are positioned at the positions around the area for placing the workpiece.

Preferably, the flexible clamping block is made of rubber.

The beneficial effects of the above technical scheme are that:

the workpiece clamping device comprises a plurality of clamping mechanisms, each clamping mechanism comprises an air cylinder, a mounting plate, a flexible clamping block and an elastic component, so that the clamping workpieces can be automatically clamped together after the clamping mechanisms are mounted on the plane grinding machine at preset positions, the damage to the edges of the workpieces is avoided, the automation degree is high, and the workload of operators can be greatly reduced.

Drawings

Fig. 1 is a perspective view of a clamping mechanism of the workpiece clamping device of the present invention;

FIG. 2 is a perspective view of the workpiece clamping device of the present invention applied to a surface grinder;

fig. 3 is a top view of the workpiece clamping device of the present invention applied to a surface grinding machine.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the following embodiments are specifically illustrated in conjunction with the accompanying drawings.

Referring to fig. 1 to 3, the workpiece clamping device 4 provided in this embodiment is applied to a flat grinder for clamping a workpiece, and includes a plurality of clamping mechanisms;

each clamping mechanism comprises a cylinder 41, a mounting plate 42 connected to the head end of the piston rod of the cylinder 41, and a flexible clamping block 44, wherein the flexible clamping block 44 is connected to one side of the mounting plate 42 away from the cylinder 41 through a plurality of elastic members 43, and the flexible clamping block 44 faces the workpiece and is used for clamping the workpiece under the driving of the cylinder 41.

Based on the above technical scheme, work piece clamping device 4 includes a plurality of clamping mechanism, and each clamping mechanism includes cylinder 41, mounting panel 42, flexible clamp piece 44, elastic component 43 for a plurality of clamping mechanism can be jointly automatic's the tight work piece of clamp after installing to the flat grinder with predetermined position, and avoid the damage to the work piece edge, and degree of automation is high, can alleviate operating personnel's work burden greatly.

In a preferred embodiment, the resilient member 43 is a spring or the resilient member 43 is a plastic post. Further, the flexible clamping blocks 44 are made of rubber to avoid damage to the edges of the workpiece. Further, in the present embodiment, the number of the clamping mechanisms is four, and an annular uniform array is arranged on the work table 11 of the surface grinding machine at a position around the region where the workpiece is placed.

Further, the surface grinding machine further includes:

the device comprises a rack 1, wherein a horizontal working platform 11 and a bearing platform 12 positioned right below the working platform 11 are arranged on the rack 1, and an operation through hole is longitudinally formed in the working platform 11 in a penetrating manner;

the workpiece bearing device 2 comprises a base, a rotary table, a first hydraulic cylinder and a workpiece bearing table, wherein one end of the base is hinged to the bearing platform 12 and can turn around the hinged end, the rotary table is rotatably arranged on the base, the first hydraulic cylinder is erected on the rotary table, the head end of the piston rod is upward, the workpiece bearing table is horizontally arranged at the head end of the piston rod of the first hydraulic cylinder and used for placing a workpiece, the bearing platform is further provided with a turning assembly used for driving the base to turn, the base is provided with a rotary driving assembly used for driving the rotary table to rotate, and the workpiece bearing table can upwards penetrate through the operation through hole;

the first three-dimensional moving device 5 is mounted on the working platform 11, the functional output end of the first three-dimensional moving device can move in three dimensions relative to the working platform 11, and specifically comprises movement in the up-down direction, the left-right direction and the front-back direction, and the grinding wheel assembly 7 is mounted at the functional output end of the first three-dimensional moving device 5 and used for changing the machining position of a workpiece under the action of the first three-dimensional moving device 5;

the second three-dimensional moving device 6 is arranged on the working platform 11, the functional output end of the second three-dimensional moving device can move in three dimensions relative to the working platform 11, the movement in the vertical direction, the horizontal direction and the front-back direction is included, and the cooling liquid spray pipe 8 is arranged at the functional output end of the second three-dimensional moving device 6 and used for changing the liquid spraying position of the workpiece under the action of the second three-dimensional moving device 6;

a cooling liquid reflux assembly, which comprises a cooling liquid collecting box 3 arranged on a bearing platform 12, wherein the inside of the cooling liquid collecting box 3 is divided into an upper cavity and a lower cavity which are arranged up and down by a flat plate with a filter hole, the upper cavity is divided into a left cavity and a right cavity by a partition plate, the upper cover of the cooling liquid collecting box is provided with a first through hole communicated with the right cavity and a second through hole communicated with the left cavity, a magnet is arranged in the lower cavity at the position right below the right cavity, a pump body is arranged in the left cavity, a liquid flow hole is arranged on a workpiece bearing platform in a penetrating way and communicated with the right cavity through a first hose (not shown in the figure) passing through the first through hole, and a cooling liquid spray pipe is connected to the liquid outlet end of the pump body through a second hose (not shown in the figure) passing through the second;

a controller (not shown in the figure) installed on the carrying platform 12, wherein the workpiece clamping device 4, the two three-dimensional moving devices, the pump body, the first hydraulic cylinder, the turning assembly and the rotation driving assembly are respectively electrically connected to the controller, specifically, the electric devices such as the motor can be directly connected to the controller through a lead, and the hydraulic devices such as the cylinder and the cylinder are electrically connected to the controller through a valve actuator, which is a conventional connection mode in the field, and therefore, the description is omitted here.

In the specific application, a workpiece is placed on a workpiece bearing table, the workpiece bearing table adjusts the workpiece to a proper position through a first hydraulic cylinder and a rotary driving assembly, then a workpiece clamping device operates and is tightly attached to the outer edge of the workpiece through a flexible clamping block so as to avoid the problem of damaging the workpiece, after clamping, a grinding wheel assembly operates and is driven by a first three-dimensional moving device to perform flat grinding on the workpiece, the position can be adjusted timely, meanwhile, under the driving of a second three-dimensional moving device, a cooling liquid spray pipe is also moved to a proper position so as to spray liquid and cool a machining surface so as to prevent the workpiece from being heated to generate sparks or damage to the surface strength of the workpiece, simultaneously, cooling liquid mixed with the workpieces flows into a right cavity in a cooling liquid collecting box through a liquid flow hole and a first hose, the scrap iron is adsorbed by a magnet and overflows into a left cavity, the cooling liquid flows back to the cooling liquid spray pipe through a second hose under the action of a pump body, obviously, all the process steps can be performed by operators on a panel of a controller (preferably a P L C controller), the controller, the workpiece bearing table can be operated and finally, the workpiece can be placed in a fully inclined state, the workpiece bearing table can be operated in a visual mode of controlling the workpiece bearing table, and the workpiece to be placed on the workpiece bearing table, and the workpiece bearing table, the workpiece can be operated in a full-automatic operation of the workpiece bearing table after the workpiece bearing table, the workpiece can be controlled by a full-controlled by a working position after the workpiece bearing table, and the workpiece is controlled by a working position after the workpiece is operated by a working position.

The foregoing is only a preferred embodiment of the present invention, which is illustrative, not limiting. Those skilled in the art will appreciate that many variations, modifications, and equivalents may be made thereto without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A workpiece clamping device is applied to a plane grinder and is characterized by comprising a plurality of clamping mechanisms;

each clamping mechanism comprises an air cylinder (41), a mounting plate (42) connected to the head end of a piston rod of the air cylinder (41), and a flexible clamping block (44), the flexible clamping block (44) is connected to one side, deviating from the air cylinder (41), of the mounting plate (42) through a plurality of elastic members (43), and the flexible clamping block (44) faces a workpiece and is used for clamping the workpiece under the driving of the air cylinder (41).

2. The workpiece clamping device as recited in claim 1, characterised in that the resilient member (43) is a spring.

3. The workpiece clamping device as recited in claim 1, characterized in that the resilient member (43) is a plastic post.

4. The workpiece clamping device as recited in claim 2 or 3, characterized in that the clamping mechanisms are four in number and are arranged in an annularly uniform array on the work table (11) of the surface grinding machine at a position around the area for placing the workpiece.

5. The workpiece clamping device as recited in claim 4, characterised in that the flexible clamping block (44) is made of rubber.