CN218169479U

CN218169479U - Plane milling fixture

Info

Publication number: CN218169479U
Application number: CN202221550920.7U
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: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-30
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a plane milling fixture, including base, side riser, upper pressure portion and lower backing plate, the base with the bottom of side riser is connected, upper pressure portion is fixed in the upper portion of side riser, the lower backing plate is fixed in the lower part of side riser, plane milling fixture still includes spacing subassembly, spacing subassembly includes down the gag lever post, down the gag lever post is vertical to be fixed in the base, left side hold-down mechanism still includes left roof and left compression leg, right side hold-down mechanism still includes right roof and right compression leg, left side compression leg can pass left side roof, left side hold-down mechanism still includes left retaining member, right side hold-down mechanism still includes right retaining member, right side retaining member can with right side compression leg is fixed in on the right roof. Adopt the utility model discloses a one of them embodiment can fasten heterotypic work piece and eliminate the deformation that radial fixed heterotypic work piece brought, can fix a plurality of heterotypic work pieces simultaneously moreover.

Description

Plane milling fixture

Technical Field

The utility model relates to a processing equipment technical field especially relates to a plane milling fixture.

Background

The conventional special-shaped workpiece for swinging action generally has an irregular inclined surface, the workpiece needs to be horizontally placed on a special clamp during processing, the special clamp adopts a radial fixing mode to fix the outer edge of the special-shaped workpiece on a workbench of a machine tool, and the irregular inclined surface is arranged on the side part of the special-shaped workpiece, so that the outer edge of the special-shaped workpiece needs to be pressed from different directions of the side part of the special-shaped workpiece in order to fasten the special-shaped workpiece. However, the clamping mode slightly deforms the side of the special-shaped workpiece, so that the subsequent finish machining efficiency and the subsequent finish machining quality are affected, the clamp can only clamp a single special-shaped workpiece, a plurality of special-shaped workpieces cannot be clamped, and the clamping efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a plane milling fixture is provided, can fasten heterotypic work piece and eliminate the deformation that radial fixed heterotypic work piece brought, can fix a plurality of heterotypic work pieces simultaneously moreover.

In order to solve the technical problem, the utility model provides a plane milling fixture for clamping abnormal shape work piece, including base, side riser, go up splenium and lower backing plate, the base with the bottom of side riser is connected, it is fixed in to go up the splenium the upper portion of side riser, the lower backing plate is fixed in the lower part of side riser.

The plane milling fixture further comprises a limiting assembly, the limiting assembly comprises a lower limiting rod, and the lower limiting rod is vertically fixed in the base.

As an improvement of the scheme, the upper pressing part comprises a left pressing mechanism and a right pressing mechanism, and the left pressing mechanism and the right pressing mechanism are respectively provided with a left base plate and a right base plate.

As an improvement of the above scheme, the left pressing mechanism further comprises a left top plate and a left pressure column, the right pressing mechanism further comprises a right top plate and a right pressure column, the left top plate and the right top plate are respectively arranged above the left base plate and the right base plate, the left pressure column can penetrate through the left top plate, the lower portion of the left pressure column is abutted to the left base plate, the right pressure column can penetrate through the right top plate, and the lower portion of the right pressure column is abutted to the right base plate.

As the improvement of above-mentioned scheme, left side hold-down mechanism still includes left retaining member, right side hold-down mechanism still includes right retaining member, a left side retaining member with right retaining member is equipped with the internal thread, a left side compression leg with right side compression leg is equipped with the external thread, a left side retaining member can with left side compression leg is fixed in on the roof of a left side, right side retaining member can with right side compression leg is fixed in on the roof of a right side.

As an improvement of the above scheme, the pressing portion further includes a middle pressing mechanism, the middle pressing mechanism includes a middle top plate, a middle cushion plate, a middle pressing column and a middle locking member, the middle top plate is disposed between the left top plate and the right top plate, the middle pressing column can penetrate through the middle top plate, the lower portion of the middle pressing column abuts against the middle cushion plate, and the middle locking member can fix the middle pressing column on the middle top plate.

As an improvement of the scheme, the lower parts of the left pressure column, the right pressure column and the middle pressure column are respectively provided with a downward convex conical bulge, the upper surfaces of the left base plate, the right base plate and the middle base plate are respectively provided with a positioning groove, and the conical bulges can be inserted into the positioning grooves.

As an improvement of the above scheme, the pressing portion further includes a left upper pressing plate, a right upper pressing plate, a left lower pressing plate and a right lower pressing plate, the left upper pressing plate is disposed at one end of the left top plate, the right upper pressing plate is disposed at one end of the right top plate, and the left upper pressing plate and the right upper pressing plate are respectively abutted to the left lower pressing plate and the right lower pressing plate.

As an improvement of the scheme, the plane milling clamp further comprises a lower pressing plate and a lower pressing column, the lower pressing plate is arranged on the base, the lower pressing column is horizontally arranged and can penetrate through the lower pressing plate, the lower pressing column is provided with external threads, and the lower pressing plate can be fixed on the base through the lower pressing column.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses plane milling fixture is equipped with the board that inclines, goes up splenium, lower bolster and spacing subassembly, spacing subassembly includes down the gag lever post, when clamping abnormal shape work piece, leans on heterotypic work piece earlier on the board that inclines, and uses down the gag lever post supports on abnormal shape work piece, makes the bottom of abnormal shape work piece form fixedly, and go up the splenium and can compress tightly abnormal shape work piece down, make the top of abnormal shape work piece form fixedly, the fixed mode that plane milling fixture preferred used is axial fixity, for radial fixation, the abnormal shape work piece can be fixed to plane milling fixture's axial fixity mode, can not produce deformation moreover on abnormal shape work piece, is favorable to subsequent finish machining operation.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a first viewing angle of the plane milling fixture of the present invention;

fig. 2 is a schematic cross-sectional view of the plane milling fixture according to the present invention;

FIG. 3 is a partial view of A in FIG. 2;

FIG. 4 is a schematic view of a first perspective of one embodiment of a shaped workpiece;

FIG. 5 is a schematic view of a second perspective of one embodiment of a profiled workpiece.

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 plane milling fixture, plane milling fixture is fixed in on the workstation for clamping heterotypic work piece 8, plane milling fixture includes base 3, side riser 4, goes up splenium 1 and lower bolster 5, base 3 with the bottom of side riser 4 is connected, base 3 is connected with the workstation, it is fixed in to go up splenium 1 the upper portion of side riser 4 for from the top down compresses tightly heterotypic work piece 8, lower bolster 5 is fixed in the lower part of side riser 4 is used for connecting base 3 and heterotypic work piece 8. In an embodiment of the special-shaped workpiece to which the plane milling fixture can be applied, the special-shaped workpiece 8 includes an upper end surface 81 and a lower end surface 82, a processing surface of the special-shaped workpiece 8 is disposed between the upper end surface 81 and the lower end surface 82, both the upper end surface 81 and the lower end surface 82 are disposed in parallel with the base 3, the lower end surface 82 is tightly attached to the lower backing plate 5, so that the lower end surface 82 can be connected with the base 3 by means of the lower backing plate 5, and the upper pressing portion 1 can press the upper end surface 81 from top to bottom, so that the upper portion of the special-shaped workpiece 8 can be fixed. The face milling fixture further comprises a limiting component 2, the limiting component 2 comprises a lower limiting rod 21, two sides of the lower end face 82 are provided with lower side faces 821 which form included angles, the lower side faces 821 are irregular in shape, the lower limiting rod 21 is vertically fixed in the base 3, the side portions of the lower limiting rod 21 are tightly attached to the lower side faces 821, and therefore the lower side faces 821 can be supported and the lower side faces 821 can form limiting effects, and accordingly the lower portion of the special-shaped workpiece 8 can be fixed. The lower positioning rod also provides a positioning effect for the installation of the special-shaped workpiece 8, so that the installation is convenient.

The embodiment of the utility model provides a plane milling fixture is equipped with side riser 4, goes up splenium 1, lower backing plate 5 and spacing subassembly 2, spacing subassembly 2 includes down gag lever post 21, when clamping heterotypic work piece 8, earlier leans on heterotypic work piece 8 on the side riser 4, and uses down gag lever post 21 supports in the bottom of heterotypic work piece 8, makes the bottom of heterotypic work piece 8 form fixedly, and go up splenium 1 and can compress tightly heterotypic work piece 8 down, make the top of heterotypic work piece 8 form fixedly, the preferred fixed mode of plane milling fixture is axial fixity, consequently for radial fixation, the axial fixity mode of plane milling fixture can fix heterotypic work piece 8, can not produce deformation moreover on heterotypic work piece 8, is favorable to subsequent finish machining operation.

Further, the special-shaped workpiece 8 in this embodiment further includes a connecting portion 83, the connecting portion 83 is vertically disposed and connected between the upper end surface 81 and the lower end surface 82, a side surface of the connecting portion 83 is an arc surface, the arc surface of the connecting portion 83 is tightly attached to a side portion of the side-erected plate 4, and when the special-shaped workpiece is installed, the connecting portion 83 needs to be abutted against the side-erected plate 4. When the fixing device is installed, the arc surface of the connecting part 83 is firstly abutted against the side vertical plate 4, and the connecting part 83 can be prevented from sliding due to the limiting action of the lower limiting rods 21 on the two sides, so that the fixing effect is achieved.

In this embodiment, the number of the special-shaped workpieces 8 is at least 2, in this embodiment, the number of the special-shaped workpieces 8 is 2, and 2 special-shaped workpieces 8 are arranged on the base 3 in parallel. In other embodiments, there may be 3 or more. In order to fix the special-shaped workpieces 8 simultaneously, the upper pressing portion 1 comprises a left pressing mechanism 11 and a right pressing mechanism 12, the left pressing mechanism 11 and the right pressing mechanism 12 are respectively provided with a left base plate 111 and a right base plate 121,2 special-shaped workpieces 8 are respectively arranged below the left base plate 111 and the right base plate 121, the left base plate 111 and the right base plate 121 are respectively attached to 2 upper end surfaces 81, and the left base plate 111 and the right base plate 121 respectively compress the 2 upper end surfaces 81.

The left pressing mechanism 11 further comprises a left top plate 112 and a left pressing column 113, the right pressing mechanism 12 further comprises a right top plate 122 and a right pressing column 123, the left top plate 112 and the right top plate 122 are respectively arranged above the left base plate 111 and the right base plate 121, the left pressing column 113 can penetrate through the left top plate 112, the lower portion of the left pressing column 113 is abutted to the left base plate 111, the right pressing column 123 can penetrate through the right top plate 122, the lower portion of the right pressing column 123 is abutted to the right base plate 121, the left pressing column 113 and the right pressing column 123 can respectively vertically move on the left top plate 112 and the right top plate 122, and therefore the left pressing column 113 and the right pressing column 123 can be used for pressing or loosening the left base plate 111 and the right base plate 121, and installation or special-shaped workpiece 8 can be facilitated.

Further, in order to prevent the left compression leg 113 and the right compression leg 123 from being loosened, the left compression mechanism 11 further includes a left locking member 114, the right compression mechanism 12 further includes a right locking member 124, the left locking member 114 and the right locking member 124 are provided with internal threads, the left compression leg 113 and the right compression leg 123 are provided with external threads, the left locking member 114 can fix the left compression leg 113 on the left top plate 112, and the right locking member 124 can fix the right compression leg 123 on the right top plate 122, so that after the special-shaped workpiece 8 is installed, the left compression leg 113 and the right compression leg 123 can be prevented from being loosened, and the special-shaped workpiece 8 can be shifted to affect the processing accuracy.

In order to improve the fixing smoothness of the special-shaped workpieces 8, the pressing portion 1 further includes a middle pressing mechanism 13, the middle pressing mechanism 13 includes a middle top plate 132, a middle cushion plate 131, a middle pressing column 133 and a middle locking member 134, the middle top plate 132 is disposed between the left top plate 112 and the right top plate 122, the middle pressing mechanism 13 is disposed in the middle of the 2 special-shaped workpieces 8, therefore, the left end and the right end of the middle cushion plate 131 are respectively abutted to the two sides of the 2 upper end surfaces 81, the middle pressing column 133 can penetrate through the middle top plate 132, the middle pressing column 133 can vertically move in the middle top plate 132, the lower portion of the middle pressing column 133 is abutted to the middle cushion plate 131, and the middle locking member 134 can fix the middle pressing column 133 to the top plate 132. During installation, the left pressure column 113, the right pressure column 123 and the middle pressure column 133 need to be rotated to respectively lift the left base plate 111, the right base plate 121 and the middle base plate 131, and after the special-shaped workpieces 8 are placed and fixed, the left base plate 111, the right base plate 121 and the middle base plate 131 are lowered to respectively press 2 special-shaped workpieces 8.

Referring to fig. 3, in order to prevent the left pressure column 113, the right pressure column 123 and the middle pressure column 133 from slipping with the left base plate 111, the right base plate 121 and the middle base plate 131, the lower portions of the left pressure column 113, the right pressure column 123 and the middle pressure column 133 are respectively provided with a conical protrusion 14 protruding downward, the upper surfaces of the left base plate 111, the right base plate 121 and the middle base plate 131 are respectively provided with a positioning groove 15, and the conical protrusion 14 can be inserted into the positioning groove 15, so as to fix the positions of the left pressure column 113, the right pressure column 123 and the middle pressure column 133 relative to the left base plate 111, the right base plate 121 and the middle base plate 131, and avoid deviation and influence on the stability of fixation.

In order to fix left hold-down mechanism 11 with right hold-down mechanism 12, hold-down portion 1 still includes left top board 16, right top board 17, left holding-down plate 18 and right holding-down plate 19, left side top board 16 locates the one end of left side roof 112 specifically is located and is close to the one end of right side roof 122, right side top board 17 is located the one end of right side roof 122 specifically is located and is close to the one end of left side roof 112, left side holding-down plate 18 with right holding-down plate 19 is located 2 respectively on the jackshaft face of up end 81, utilize the double-screw bolt, can with left side top board 16 with right side top board 17 respectively the butt in left side holding-down plate 18 with on the right holding-down plate 19, thereby right left hold-down mechanism 11 with right hold-down mechanism 12 fixes.

In order to further fix the lower part of the special-shaped workpiece 8, the plane milling fixture further comprises a lower pressing plate 6 and a lower pressing column 7, wherein the lower pressing plate 6 is arranged on the base 3, one side of the lower pressing plate 6 can be abutted to the lower side surface 821, the lower pressing column 7 is horizontally arranged and can penetrate through the lower pressing plate 6, the lower pressing column 7 is provided with external threads, and the lower pressing column 7 can fix the lower pressing plate 6 on the base 3. When the special-shaped workpiece 8 is installed, after the connecting part 83 is close to the side vertical plate 4, the lower pressing plate 6 can be horizontally moved and tightly pressed against the lower side surface 821 by rotating the lower pressing column 7, so that the lower side surface 821 is completely fixed, and the lower part of the special-shaped workpiece 8 is further fixed.

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

Claims

1. A plane milling fixture is used for clamping a special-shaped workpiece and is characterized by comprising a base, a side vertical plate, an upper pressing portion and a lower backing plate, wherein the base is connected with the bottom end of the side vertical plate, the upper pressing portion is fixed to the upper portion of the side vertical plate, and the lower backing plate is fixed to the lower portion of the side vertical plate;

2. The face milling jig according to claim 1, wherein the pressing portion includes a left pressing mechanism and a right pressing mechanism, and the left pressing mechanism and the right pressing mechanism are respectively provided with a left shim plate and a right shim plate.

3. The face milling fixture of claim 2, wherein the left pressing mechanism further comprises a left top plate and a left pressure column, the right pressing mechanism further comprises a right top plate and a right pressure column, the left top plate and the right top plate are respectively arranged above the left base plate and the right base plate, the left pressure column can penetrate through the left top plate, the lower portion of the left pressure column is abutted against the left base plate, the right pressure column can penetrate through the right top plate, and the lower portion of the right pressure column is abutted against the right base plate.

4. The face milling fixture of claim 3 wherein said left hold down mechanism further includes a left lock, said right hold down mechanism further includes a right lock, said left lock and said right lock are internally threaded, said left compression leg and said right compression leg are externally threaded, said left lock is capable of securing said left compression leg to said left top plate, said right lock is capable of securing said right compression leg to said right top plate.

5. The face milling fixture according to claim 4, wherein the pressing portion further comprises a middle pressing mechanism, the middle pressing mechanism comprises a middle top plate, a middle cushion plate, a middle pressure column and a middle locking member, the middle top plate is arranged between the left top plate and the right top plate, the middle pressure column can penetrate through the middle top plate, the lower portion of the middle pressure column abuts against the middle cushion plate, and the middle locking member can fix the middle pressure column on the middle top plate.

6. The face milling fixture according to claim 5, wherein the lower portions of the left pressure post, the right pressure post and the middle pressure post are provided with conical protrusions protruding downwards, the upper surfaces of the left base plate, the right base plate and the middle base plate are provided with positioning grooves, and the conical protrusions can be inserted into the positioning grooves.

7. The face milling fixture according to claim 6, wherein the pressing part further comprises a left upper pressing plate, a right upper pressing plate, a left lower pressing plate and a right lower pressing plate, the left upper pressing plate is arranged at one end of the left top plate, the right upper pressing plate is arranged at one end of the right top plate, and the left upper pressing plate and the right upper pressing plate are respectively abutted against the left lower pressing plate and the right lower pressing plate.

8. The face milling fixture of claim 1, further comprising a lower pressing plate and a lower pressing post, wherein the lower pressing plate is arranged on the base, the lower pressing post is horizontally arranged and can penetrate through the lower pressing plate, the lower pressing post is provided with an external thread, and the lower pressing post can fix the lower pressing plate on the base.