CN217890635U

CN217890635U - Workpiece plane grinding clamp

Info

Publication number: CN217890635U
Application number: CN202220618743.5U
Authority: CN
Inventors: 古定波; 罗云
Original assignee: Guangdong Keda Hydraulic Technology Co ltd
Current assignee: Guangdong Keda Hydraulic Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-11-25
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a work piece plane grinding anchor clamps, include frame subassembly, locating component and compress tightly the subassembly, heterotypic work piece is fixed in the frame subassembly, the frame subassembly includes base, left riser and right riser, left side riser with right riser stands respectively in the both sides of base, locating component includes bottom locating piece and lateral part locating piece, it includes left briquetting and right briquetting to compress tightly the subassembly, left side briquetting with right briquetting can pass respectively left side riser with right riser compresses tightly respectively the left side board and the right side board of heterotypic work piece, the top of right side board is equipped with the locating hole, be equipped with the location via hole on the riser of the right side, the lateral part locating piece can pass the location via hole and with locating hole fixed connection. Adopt the utility model discloses, can carry out the clamping to heterotypic work piece and fix, need not beat the table alignment, improve machining efficiency, it is firm to fix moreover, and the plane degree precision improves by a wide margin.

Description

Workpiece plane grinding clamp

Technical Field

The utility model relates to a production facility technical field especially relates to a work piece plane grinding anchor clamps.

Background

In the production process of parts, the special-shaped workpiece is often required to be milled, the machining equipment used for milling is a numerical control machine, and before machining, the special-shaped workpiece is required to be clamped and fixed by using a clamp. For the U-shaped special-shaped workpiece, due to the irregularity of the surface, the fixing of the special-shaped workpiece is very difficult, and in order to ensure the machining accuracy, the surface of the machined surface of the special-shaped workpiece needs to be marked, and the inclined surface of the special-shaped workpiece is pressed tightly through the pressing plate after alignment. The fixing method has the disadvantages of complicated steps, long time for making a meter and aligning, low working efficiency, incapability of completely meeting the requirements on the processed precision, and slight deformation of a processed surface after the workpiece is removed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a workpiece plane grinding anchor clamps is provided, can carry out the clamping to heterotypic work piece and fix, need not beat the table alignment, improves machining efficiency, and is fixed firm, all right moreover.

In order to solve the technical problem, the utility model provides a work piece plane grinding anchor clamps for clamping heterotypic work piece on the workstation, including frame set spare, locating component and compress tightly the subassembly, heterotypic work piece is fixed in the frame set spare, the frame set spare includes base, left riser and right riser, a left side riser with right riser stands respectively in the both sides of base, locating component is including locating bottom locating piece on the base with locate lateral part locating piece on the right riser, heterotypic work piece includes bottom plate, left side board and right side board, the bottom plate can with bottom locating piece looks butt, the lateral part locating piece can insert fix in the right side board.

The pressing assembly comprises a left pressing block and a right pressing block, and the left pressing block and the right pressing block can respectively penetrate through the left vertical plate and the right vertical plate and respectively press the left side plate and the right side plate.

As an improvement of the above scheme, a positioning hole is formed in the top of the right side plate, a positioning through hole is formed in the right vertical plate, the lateral positioning block is cylindrical, and the lateral positioning block can penetrate through the positioning through hole and is fixedly connected with the positioning hole.

As an improvement of the above scheme, the positioning assembly further comprises a transition block, a transition through hole is formed in the transition block, the transition block is arranged between the side positioning block and the right vertical plate, and the side positioning block can penetrate through the transition through hole and press the transition block tightly.

As an improvement of the scheme, the outer surface of the bottom plate is a convex arc surface, the upper surface of the bottom positioning block is a concave V-shaped surface, and the bottom plate can be clamped into the bottom positioning block.

As an improvement of the scheme, a left compression through hole is formed in the top of the left vertical plate, one end of the left pressing block can penetrate through the left compression through hole and abut against the top of the left side plate, a right compression through hole is formed in the middle of the right vertical plate, and one end of the right pressing block can penetrate through the right compression through hole and abut against the middle of the right side plate.

As an improvement of the above scheme, a left notch is formed in the top of the left side plate, a right notch is formed in the middle of the right side plate, the left notch and the right notch are both circular grooves, the circle centers of the left notch and the right notch are on the same horizontal axis, the end of the left pressing block can abut against the side face of the left notch towards the right side of the special-shaped workpiece, and the end of the right pressing block can abut against the side face of the right notch towards the left side of the special-shaped workpiece.

As an improvement of the above scheme, the side surfaces of the left pressing block and the right pressing block are arc surfaces, the bottom surfaces of the left notch and the right notch are arc surfaces, the side surface shapes of the left pressing block and the right pressing block respectively correspond to the bottom surface shapes of the left notch and the right notch, and the side surface shapes of the left pressing block and the right pressing block can respectively abut against the bottom surfaces of the left notch and the right notch.

As an improvement of the above scheme, the pressing assembly further comprises a left supporting plate, a right supporting plate and a pressing block connecting piece, the left supporting plate and the right supporting plate respectively protrude out of the side portions of the left vertical plate and the right vertical plate, and the left supporting plate and the right supporting plate are respectively fixedly connected with the left pressing block and the right pressing block through the pressing block connecting piece.

As an improvement of the above scheme, the frame assembly further comprises a fixing plate, the fixing plate is arranged at the bottom of the base and fixedly connected with the base, and the fixing plate is fixed on the workbench.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses work piece plane grinding anchor clamps are equipped with frame set spare, locating component and compress tightly the subassembly, wherein frame set spare includes base, left riser and right riser, heterotypic work piece clamping in the frame set spare, locating component includes bottom locating piece and lateral part locating piece, utilizes the bottom locating piece can give heterotypic work piece carries out the bottom location, utilizes the lateral part locating piece can give the lateral part of heterotypic work piece is fixed a position, simultaneously, the lateral part locating piece can insert in the right side board, the cooperation the bottom locating piece can be guaranteed heterotypic work piece all obtains fixing a position completely at horizontal direction and vertical direction, makes the machined surface of heterotypic work piece can with the workstation is parallel, need not to play the table, alignment to improve work efficiency. And the left pressing block and the right pressing block of the pressing assembly can respectively penetrate through the left vertical plate and the right vertical plate and respectively press the left side plate and the right side plate, so that the bottom and the side part of the special-shaped workpiece are fixed, regular and firm, and the phenomenon that the machining precision is influenced due to the deviation in machining is avoided.

Drawings

FIG. 1 is a schematic view of a partial cross-sectional structure of a workpiece plane grinding jig according to the present invention;

FIG. 2 is a schematic view of the partial cross-section structure of the special-shaped workpiece of the present invention

FIG. 3 is a schematic side view of the workpiece flat grinding jig of the present invention;

fig. 4 is a schematic structural diagram of the special-shaped workpiece of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

Referring to fig. 1 and 2, the embodiment of the utility model discloses a workpiece plane grinding anchor clamps for clamping heterotypic work piece 4 on workstation 5, including frame subassembly 1, locating component 2 and compress tightly subassembly 3, heterotypic work piece 4 is fixed in the frame subassembly 1, locating component 2 is used for giving heterotypic work piece 4 location, compress tightly subassembly 3 and be used for compressing tightly heterotypic work piece 4. The frame assembly 1 comprises a base 11, a left vertical plate 12 and a right vertical plate 13, the special-shaped workpiece 4 is surrounded by the base 11, the left vertical plate 12 and the right vertical plate 13 are respectively arranged on two sides of the base 11, and the left vertical plate 12 and the right vertical plate 13 are both perpendicular to the base 11. The positioning assembly 2 comprises a bottom positioning block 21 arranged on the base 11 and a side positioning block 22 arranged on the right vertical plate 13, the special-shaped workpiece 4 comprises a bottom plate 41, a left side plate 42 and a right side plate 43, the shape of the bottom plate 41 corresponds to that of the bottom positioning block 21, the bottom plate 41 can be abutted to the bottom positioning block 21, so that the bottom of the special-shaped workpiece 4 can be positioned and fixed in an auxiliary mode, and the side positioning block 22 can be inserted into the right side plate 43 to be fixed and can also be used for positioning the side of the special-shaped workpiece 4. Under the positioning action of the side positioning blocks 22, the displacement of the special-shaped workpiece 4 in the vertical direction is limited, and under the positioning action of the bottom positioning blocks 21, the displacement of the special-shaped workpiece 4 in the horizontal direction is limited, so that the comprehensive positioning effect on the special-shaped workpiece 4 in the horizontal direction and the vertical direction is achieved. In the embodiment, after the bottom and the side of the special-shaped workpiece 4 are positioned, the machining surface 44 of the special-shaped workpiece 4 is parallel to the workbench 5, and a plane grinding machine can be used for machining the machining surface 44, so that the need of performing surface making and alignment before machining is avoided, the preparation time is saved, and the machining efficiency is improved. The pressing component 3 comprises a left pressing block 31 and a right pressing block 32, the left pressing block 31 and the right pressing block 32 can respectively penetrate through the left vertical plate 12 and the right vertical plate 13 and respectively press the left side plate 42 and the right side plate 43, and under the synergistic effect of the left pressing block 31, the right pressing block 32, the bottom positioning block 21 and the side positioning block 22, the special-shaped workpiece 4 is completely fixed, so that the deviation in the machining process can be avoided, and the machining precision is ensured.

The embodiment of the utility model provides a beneficial effect as follows:

the embodiment of the utility model provides a work piece plane grinding anchor clamps are equipped with frame set spare 1, locating component 2 and compress tightly subassembly 3, wherein frame set spare 1 includes base 11, left riser 12 and right riser 13, heterotypic work piece 4 clamping in frame set spare 1, locating component 2 includes bottom locating piece 21 and lateral part locating piece 22, utilizes bottom locating piece 21 can give heterotypic work piece 4 carries out the bottom location, utilizes lateral part locating piece 22 can give the lateral part of heterotypic work piece 4 is fixed a position, simultaneously, lateral part locating piece 22 can insert in the right side board 43, the cooperation bottom locating piece 21 can guarantee heterotypic work piece 4 all obtains the complete positioning at horizontal direction and vertical direction, makes the machined surface 44 of heterotypic work piece 4 can with workstation 5 is parallel, need not to beat the table, alignment to improve work efficiency. And the left pressing block 31 and the right pressing block 32 of the pressing component 3 can respectively penetrate through the left vertical plate 12 and the right vertical plate 13 and respectively press the left side plate 42 and the right side plate 43, so that the bottom and the side part of the special-shaped workpiece 4 are fixed, the fixation is neat and firm, and the processing precision is prevented from being influenced by deviation in processing.

The top of the right side plate 43 is provided with a positioning hole 431, the right vertical plate 13 is provided with a positioning through hole 131, the side positioning block 22 is cylindrical, and the side positioning block 22 can penetrate through the positioning through hole 131 and is fixedly connected with the positioning hole 431. The side positioning block 22 is inserted into the positioning hole 431 with one end of a cylindrical shape, and the right side plate 43 can swing around the positioning hole 431 but cannot move vertically, so that the side positioning block 22 not only provides a positioning function for the special-shaped workpiece 4 but also restricts the vertical displacement of the special-shaped workpiece 4. In order to ensure that the side positioning block 22 can maintain a locked state with the right vertical plate 13, the positioning assembly 2 further includes a transition block 23, a transition through hole 231 is formed in the transition block 23, the transition block 23 is disposed between the side positioning block 22 and the right vertical plate 13, the side positioning block 22 can pass through the transition through hole 231, and when the side positioning block 22 is locked, the side positioning block 22 compresses the transition block 23 and transmits the compression force to the right vertical plate 13. The transition plate is used as a buffer for the side positioning block 22, and can effectively prevent the side positioning block 22 from being loosened during processing to influence the positioning and fixing of the special-shaped workpiece 4.

Referring to fig. 3 and 4, in order to assist in positioning and fixing the bottom of the special-shaped workpiece 4, the outer surface of the bottom plate 41 is a convex arc surface, the upper surface of the bottom positioning block 21 is a concave V-shaped surface, and the bottom plate 41 can be just clamped into the bottom positioning block 21. In this embodiment, the axis of the side positioning block 22 is on the same vertical line with the center of the outer surface of the bottom plate 41, so that the bottom plate 41 cannot slide in the bottom positioning block 21 in cooperation with the side positioning block 22, thereby forming positioning and fixing. The side positioning blocks 22 are used for fixing the special-shaped workpiece 4 in a point-shaped manner, the bottom positioning blocks 21 are used for fixing the special-shaped workpiece 4 in a surface-shaped manner, and the special-shaped workpiece 4 can be well positioned and fixed under the synergistic action of the side positioning blocks 22 and the bottom positioning blocks 21, so that the fixing is firm, and the processing stability and accuracy are guaranteed.

In order to further compress the special-shaped workpiece 4, a left compressing through hole 121 is formed in the top of the left vertical plate 12, one end of the left pressing block 31 can penetrate through the left compressing through hole 121 and abut against the top of the left side plate 42, a right compressing through hole 132 is formed in the middle of the right vertical plate 13, and one end of the right pressing block 32 can penetrate through the right compressing through hole 132 and abut against the middle of the right side plate 43, so that the special-shaped workpiece 4 is compressed. Further, in order to improve the pressing effect, the top of the left side plate 42 is provided with a left notch 422, the middle of the right side plate 43 is provided with a right notch 432, the left notch 422 and the right notch 432 are both circular grooves, the centers of the left notch 422 and the right notch 432 are on the same horizontal axis, the end of the left pressing block 31 can abut against the side of the left notch 422 towards the right side of the special-shaped workpiece 4, and the end of the right pressing block 32 can abut against the side of the right notch 432 towards the left side of the special-shaped workpiece 4. The pressing directions of the left pressing block 31 and the right pressing block 32 are opposite, the special-shaped workpiece 4 can be pressed from the left side and the right side respectively, the circle centers of the left pressing block 31 and the right pressing block 32 are located on the same horizontal axis, and the left pressing block 31 and the right pressing block 32 do not generate torque on the special-shaped workpiece 4 from the pressing forces of the left side and the right side respectively, so that the stability of the special-shaped workpiece 4 is ensured.

The side of left side briquetting 31 with right briquetting 32 is the arc surface, left side notch 422 with the bottom surface of right notch 432 is the arc surface, left side briquetting 31 with right side briquetting 32 the side shape respectively with left side notch 422 with right notch 432 the bottom surface shape corresponds each other, left side briquetting 31 with right side briquetting 32 the side shape can respectively the butt in left side notch 422 with on right notch 432's the bottom surface. The left notch 422 and the right notch 432 are both circular grooves, and when the end parts of the left pressing block 31 and the right pressing block 32 are abutted against the side surfaces of the circular grooves, the side parts of the left pressing block 31 and the right pressing block 32 are also abutted against the bottom surfaces of the circular grooves at the same time, so that planar limiting is formed. Preferably, the left notch 422 and the right notch 432 are respectively located on a vertical symmetry axis of the upper surface of the bottom positioning block 21, so that the side positioning block 22, the right notch 432 and the bottom positioning block 21 form a limiting relationship on the same vertical line, and the left notch 422 and the bottom positioning block 21 also form a limiting relationship on the same vertical line, thereby further ensuring a limiting fixing effect and ensuring firm fixing. Under the positioning action of the arc surfaces of the bottom positioning block 21, the left notch 422 and the right notch 432, after the special-shaped workpiece 4 is fixed, the processing surface 44 naturally forms a parallel relation with the workbench 5, so that the step of making and leveling a meter can be omitted, and the working efficiency is improved.

In order to fix the left pressing block 31 and the right pressing block 32, the pressing assembly 3 further includes a left supporting plate 33, a right supporting plate 34 and a pressing block connector 35, the left supporting plate 33 and the right supporting plate 34 respectively protrude out of the side portions of the left vertical plate 12 and the right vertical plate 13, the left supporting plate 33 and the right supporting plate 34 are respectively fixedly connected with the left pressing block 31 and the right pressing block 32 through the pressing block connector 35, and the pressing block connector 35 is preferably a pin, a bolt or other parts. Under the fixed connection of the pressing block connecting piece 35, the left pressing block 31 and the right pressing block 32 can stably press the special-shaped workpiece 4. The frame component 1 further comprises a fixing plate 14, the fixing plate 14 is arranged at the bottom of the base 11, the fixing plate 14 is fixedly connected with the base 11, the fixing plate 14 is fixed on the workbench 5, and the fixing plate 14 is used for connecting the base 11 with the workbench 5.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A workpiece plane grinding clamp is used for clamping a special-shaped workpiece on a workbench and is characterized by comprising a frame assembly, a positioning assembly and a pressing assembly, wherein the special-shaped workpiece is fixed in the frame assembly, the frame assembly comprises a base, a left vertical plate and a right vertical plate, the left vertical plate and the right vertical plate are respectively erected on two sides of the base, the positioning assembly comprises a bottom positioning block arranged on the base and a side positioning block arranged on the right vertical plate, the special-shaped workpiece comprises a bottom plate, a left side plate and a right side plate, the bottom plate can be abutted against the bottom positioning block, and the side positioning block can be inserted into the right side plate for fixing;

2. The workpiece plane grinding fixture of claim 1, wherein a positioning hole is formed in the top of the right side plate, a positioning through hole is formed in the right vertical plate, the side positioning block is cylindrical, and the side positioning block can penetrate through the positioning through hole and is fixedly connected with the positioning hole.

3. The workpiece plane grinding fixture of claim 2, wherein the positioning assembly further comprises a transition block, a transition through hole is formed in the transition block, the transition block is arranged between the side positioning block and the right vertical plate, and the side positioning block can penetrate through the transition through hole and press the transition block.

4. A workpiece plane grinding fixture as recited in claim 1, wherein the outer surface of said bottom plate is a convex arc surface, the upper surface of said bottom locating block is a concave V-shaped surface, and said bottom plate can be snapped into said bottom locating block.

5. The workpiece plane grinding clamp of claim 1, wherein a left pressing through hole is formed in the top of the left vertical plate, one end of the left pressing block can penetrate through the left pressing through hole and abut against the top of the left side plate, a right pressing through hole is formed in the middle of the right vertical plate, and one end of the right pressing block can penetrate through the right pressing through hole and abut against the middle of the right side plate.

6. A workpiece plane grinding clamp as claimed in claim 5, wherein the top of the left side plate is provided with a left notch, the middle of the right side plate is provided with a right notch, the left notch and the right notch are both circular grooves, the centers of the left notch and the right notch are on the same horizontal axis, the end of the left pressing block can abut against the side of the left notch towards the right side of the special-shaped workpiece, and the end of the right pressing block can abut against the side of the right notch towards the left side of the special-shaped workpiece.

7. A workpiece flat grinding jig according to claim 6, characterized in that the side surfaces of the left pressing block and the right pressing block are circular arc surfaces, the bottom surfaces of the left notch and the right notch are both circular arc surfaces, the side surface shapes of the left pressing block and the right pressing block respectively correspond to the bottom surface shapes of the left notch and the right notch, and the side surface shapes of the left pressing block and the right pressing block can abut against the bottom surfaces of the left notch and the right notch respectively.

8. The workpiece plane grinding fixture of claim 1, wherein the pressing assembly further comprises a left supporting plate, a right supporting plate and a pressing block connecting piece, the left supporting plate and the right supporting plate respectively protrude out of the side portions of the left vertical plate and the right vertical plate, and the left supporting plate and the right supporting plate are respectively fixedly connected with the left pressing block and the right pressing block through the pressing block connecting piece.

9. A workpiece flat grinding jig as defined in claim 1 wherein the frame assembly further comprises a fixed plate disposed at the bottom of the base, the fixed plate being fixedly connected to the base, the fixed plate being fixed to the table.