CN221270404U - Clamp for workpiece cutting - Google Patents

Abstract

The utility model relates to the technical field of turning piece machining, and discloses a clamp for workpiece cutting machining, which comprises a base, wherein two groups of outer clamp assemblies are arranged on the upper side of the base, a thin-wall piece is arranged on one side of each outer clamp assembly, and an inner clamp assembly is abutted to the inner side of each thin-wall piece; the outer clamp assembly comprises a fixed block, a fixed bolt, a nut, a distance adjusting screw, a clamping arm, a buffer piece and a fixed support, and the clamp for cutting the thin-wall piece is used, through the mutual cooperation between the assembly components, the clamping arm in the outer clamp assembly and the inner clamping block in the inner clamp assembly are firmly abutted to the inner side and the outer side of the thin-wall piece through rotation, so that the thin-wall piece can be firmly fixed under the operation of inner clamping and outer clamping, the clamping effect is further ensured, the machining effect of the inner side and the outer side of the thin-wall piece can be cut in the machining and cutting process, the accuracy of the cutting process is improved, meanwhile, the clamping can be firmly realized in the face of different thin-wall pieces, and the practicability of the integral clamp is improved.

Description

Clamp for workpiece cutting

Technical Field

The utility model relates to the technical field of turning piece machining, in particular to a clamp for workpiece cutting machining.

Background

In the prior art, the utility model, which is searched as shown in the patent number CN218785363U and is named as a clamp for turning a thin-wall annular piece, comprises the following steps: the circular locating plate is provided with a plurality of first clamping assemblies and second clamping assemblies for machining the side wall and the end face of the thin-wall annular piece, but in actual production and machining work, the inner side of the thin-wall piece is machined, so that inconvenience exists in the process, the inner side of the thin-wall piece cannot be machined in a clamping and locating state at the same time, and therefore, a person skilled in the art can realize machining operation capable of cutting the inner side and the outer side of the thin-wall piece while firmly clamping by improving the structure of the cutting clamp, and the purposes of improving production efficiency and reducing production cost are achieved.

Disclosure of utility model

The utility model aims to provide a clamp for workpiece cutting processing, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamp for workpiece cutting comprises a base, wherein two groups of outer clamp assemblies are arranged on the upper side of the base, a thin-wall piece is arranged on one side of each outer clamp assembly, and an inner clamp assembly is abutted to the inner side of each thin-wall piece;

the outer clamp assembly comprises a fixed block, a fixed bolt, a nut, a distance adjusting screw rod, a clamping arm, a buffer piece and a fixed support, wherein the upper side of the base is abutted to the fixed block, threaded holes are formed in two sides of the fixed block, the threaded holes are formed in the threaded holes in a threaded mode, the nut is screwed to the outer side of the fixed bolt, the distance adjusting screw rod is screwed to the center of the fixed block, one end of the distance adjusting screw rod is abutted to the clamping arm, one side of the clamping arm is in an arc-shaped design, the buffer piece is fixedly connected to the inner side of the arc, one side of the buffer piece is abutted to the outer side of the thin-wall piece in a sealing mode, the fixed support is arranged on the outer side of the clamping arm, the inner side of the fixed support is matched with the outer side of the clamping arm, the clamping arm can slide in a limiting mode along the inner side of the fixed support, and the lower end of the fixed support is fixedly connected to the upper side of the base through a screw.

Further, interior clamp assembly includes threaded rod, adjusts lug, spliced pole, interior clamp splice and division board, special-shaped notch has been seted up to the central point of base, and threaded hole has all been seted up to its notch inside wall, and its threaded hole spiro union has the threaded rod, an tip fixedly connected with of threaded rod adjusts the lug, it connects to adjust the lug rotation the outside of base, the outside spiro union of threaded rod has the spliced pole, one side fixedly connected with of spliced pole is interior clamp splice, notch central point fixedly connected with division board, the screw hole has been seted up to the inboard of division board.

Further, the threaded rod comprises a left-handed threaded rod and a right-handed threaded rod, the left-handed threaded rod is screwed into the inner side threaded hole of the isolation plate, one end of the left-handed threaded rod is fixedly connected with the adjusting lug, the other end of the left-handed threaded rod is fixedly connected with the right-handed threaded rod, and one end of the right-handed threaded rod is rotationally connected into the threaded hole in the inner side of the square notch of the base.

Further, the outside shape of spliced pole with the inboard phase-match of special-shaped notch that base central point put offered, the spliced pole can be followed the outside of threaded rod is done spacing slip in special-shaped notch.

Furthermore, the outer side of the inner clamping block is in a circular arc shape, and is in close fit and abutting connection with the inner side wall of the thin-wall piece.

Further, the number of the connecting columns is two, and the connecting columns are distributed on two sides of the isolation plate and are respectively in threaded connection with the left-handed threaded rod and the right-handed threaded rod.

Further, the outer side of the buffer piece is made of rubber.

Compared with the prior art, the utility model provides the clamp for cutting the workpiece, which has the following beneficial effects:

This anchor clamps for thin-walled workpiece cutting process is through base, outer clamp subassembly, thin-walled workpiece, interior clamp subassembly, fixed block, fixing bolt, nut, the roll adjustment screw rod, the mutual cooperation effect between each subassembly part of centre gripping arm, bolster and fixed bolster, make through the interior clamp block in the interior clamp subassembly of centre gripping arm and the interior clamp subassembly in rotatory outer clamp subassembly can firm butt at the inside and outside of thin-walled workpiece, and then guarantee the stability of thin-walled workpiece and make it not take place to remove, therefore under the operation of inside and outside centre gripping, the fixed achievements of holding the thin-walled workpiece that can be more firm, further ensure the centre gripping effect, this technical scheme has obtained can cut the processing effect of the inside and outside side of thin-walled workpiece at the in-process of processing cutting, and improve the accuracy of cutting process, simultaneously in the centre gripping that all can accomplish firm in the face of different thin-walled workpiece, the beneficial effect of the practicality of whole anchor clamps is improved.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic top perspective view of the present utility model;

FIG. 3 is a detailed schematic view of the outer clip assembly of the present utility model;

FIG. 4 is a schematic view, partially in section, of the internal structure of the inner clip assembly of the present utility model;

Fig. 5 is a schematic view of a partial enlarged structure of fig. 4 according to the present utility model.

In the figure: 1. a base; 2. an outer clip assembly; 21. a fixed block; 22. a fixing bolt; 23. a nut; 24. a distance adjusting screw; 25. a clamping arm; 26. a buffer member; 27. a fixed bracket; 3. an inner clip assembly; 31. a threaded rod; 311. a left-handed threaded rod; 312. a right-handed threaded rod; 32. an adjustment tab; 33. a connecting column; 34. an inner clamping block; 35. a partition plate; 4. a thin-walled member.

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.

Examples

Referring to fig. 1-5, a fixture for workpiece cutting processing comprises a base 1, wherein two groups of outer clamp assemblies 2 are arranged on the upper side of the base 1, a thin-wall piece 4 is arranged on one side of the outer clamp assemblies 2, and an inner clamp assembly 3 is abutted to the inner side of the thin-wall piece 4;

The outer clamp assembly 2 comprises a fixed block 21, a fixed bolt 22, a nut 23, a distance adjusting screw 24, a clamping arm 25, a buffer piece 26 and a fixed support 27, wherein the upper side of the base 1 is abutted to the fixed block 21, threaded holes are formed in two sides of the fixed block 21, the fixed bolt 22 is screwed into the threaded holes, the nut 23 is screwed into the outer side of the fixed bolt 22, the distance adjusting screw 24 is screwed into the center of the fixed block 21, one end of the distance adjusting screw 24 is abutted to the clamping arm 25, one side of the clamping arm 25 is of an arc-shaped design, the buffer piece 26 is fixedly connected to the inner side of the arc, one side of the buffer piece 26 is abutted to the outer side of the thin-wall piece 4 in a sealing mode, the fixed support 27 is arranged on the outer side of the clamping arm 25, the inner side of the fixed support 27 is matched with the outer side of the clamping arm 25, the clamping arm 25 can slide in a limiting mode along the inner side of the fixed support 27, and the lower end of the fixed support 27 is fixedly connected to the upper side of the base 1 through a screw.

The other end of the distance adjusting screw 24 is abutted against the outer side of the clamping arm 25 by rotating the distance adjusting screw 24 in the outer clamping assembly 2, the distance adjusting screw 24 moves towards the direction of the clamping arm 25 by the rotating action of the distance adjusting screw 24, the clamping arm 25 further moves forwards along the inner side of the fixed support 27, and when the buffer piece 26 fixedly connected with the outer side of the clamping arm 25 is abutted against the outer side of the thin-wall piece 4, the rotation of the distance adjusting screw 24 is stopped, and as the outer clamping assembly 2 is symmetrically designed relative to the central position of the base 1, the buffer pieces 26 in the two groups are firmly abutted against the outer side of the thin-wall piece 4, so that the thin-wall piece 4 is ensured to be stable and not to move, and the external clamping action is completed;

Further, interior clamp assembly 3 includes threaded rod 31, adjust lug 32, spliced pole 33, interior clamp splice 34 and division board 35, special-shaped notch has been seted up to the central point of base 1, the screw hole has all been seted up to its notch inside wall, its threaded hole spiro union has threaded rod 31, one end fixedly connected with of threaded rod 31 adjusts lug 32, adjust lug 32 rotation and connect in the outside of base 1, the outside spiro union of threaded rod 31 has spliced pole 33, one side fixedly connected with of spliced pole 33 is interior clamp splice 34, notch central point fixedly connected with division board 35, the screw hole has been seted up to the inboard of division board 35.

Further, the threaded rod 31 includes left-handed threaded rod 311 and right-handed threaded rod 312, and the inboard screw hole spiro union of division board 35 has left-handed threaded rod 311, and the one end and the adjusting lug 32 of left-handed threaded rod 311 are fixed connection mutually, and another tip fixedly connected with right-handed threaded rod 312 of left-handed threaded rod 311, and the screw hole inboard at the square notch of base 1 is connected in the rotation of one end of right-handed threaded rod 312, through the setting of left-handed threaded rod 311 and right-handed threaded rod 312, can make simultaneously when producing effort in a direction of rotation, can produce relative or opposite motion effect.

The threaded rod 31 rotates along with the threaded rod by means of a tool or manually rotating the adjusting lug 32, so that the connecting column 33 which is in threaded connection with the outer sides of the left-handed threaded rod 311 and the right-handed threaded rod 312 moves along with the threaded rod in opposite directions or opposite directions, the inner clamping block 34 fixedly connected with the outer sides of the connecting column 33 is driven to synchronously move along with the threaded rod, the inner clamping block 34 is abutted against the inner side of the thin-walled workpiece 4, after the inner clamping block 34 is fully abutted against the inner side of the thin-walled workpiece 4, the inner side of the thin-walled workpiece 4 is clamped, the fixing of the thin-walled workpiece 4 is kept more firmly under the inner and outer clamping operation, the clamping effect is further ensured, the accuracy in the machining and cutting process is improved, the thin-walled workpiece can be firmly clamped in the face of different thin-walled workpieces, and the practicability of the integral clamp is improved;

further, the outer side shape of the connecting column 33 is matched with the inner side of the special-shaped notch formed in the center of the base 1, the connecting column 33 can slide in the special-shaped notch in a limited manner along the outer side of the threaded rod 31, and the connecting column 33 can move in the special-shaped notch without rotating along the rotating direction of the threaded rod 31 when the threaded rod 31 moves due to the cooperation of the mechanical structure, so that the connecting column 33 can perform limited movement in the special-shaped notch in a unit pitch in the direction of connecting the threads, and finally, the required mechanical movement effect of the utility model is achieved.

Further, the outer side of the inner clamping block 34 is in a circular arc shape, and is closely matched and abutted with the inner side wall of the thin-wall part 4, and the circular arc shape can increase the abutting contact area between the inner clamping block 34 and the inner side wall of the thin-wall part 4, so that the clamping stability of the inner clamping block is improved.

Further, the two connecting columns 33 are distributed on two sides of the isolation plate 35 and are respectively in threaded connection with the left-handed threaded rod 311 and the right-handed threaded rod 312, so that the effect of larger contact area on the inner side wall of the thin-walled workpiece 4 can be generated, and the clamping stability of the thin-walled workpiece is further improved.

Further, the outer side of the buffer member 26 is made of rubber, and the outer side of the thin-walled member 4 can be protected from being damaged by the clamping force of the clamping member by selecting the rubber material, so that the thin-walled member 4 is protected.

Specific use and action of the embodiment:

When the clamping device is used, firstly, the thin-wall piece 4 is taken out and placed at the center of the upper side of the base 1, then the other end of the distance adjusting screw 24 is abutted against the outer side of the clamping arm 25 by rotating the distance adjusting screw 24 in the outer clamping assembly 2, the distance adjusting screw 24 moves towards the direction of the clamping arm 25 by the rotating action of the distance adjusting screw 24, the clamping arm 25 further moves forwards along the inner side of the fixed bracket 27, and when the buffer piece 26 fixedly connected with the outer side of the clamping arm 25 is abutted against the outer side of the thin-wall piece 4, the rotation of the distance adjusting screw 24 is stopped, and as the outer clamping assembly 2 is symmetrically designed relative to the center of the base 1, the buffer pieces 26 in two groups are firmly abutted against the outer side of the thin-wall piece 4, so that the thin-wall piece 4 is ensured to be stable and not to move, and the external clamping action is completed;

Then the threaded rod 31 rotates along with the threaded rod by means of a tool or manually rotating the adjusting lug 32, so that the connecting column 33 which is in threaded connection with the outer sides of the left-handed threaded rod 311 and the right-handed threaded rod 312 moves along with the threaded rod in opposite directions or in opposite directions, and the inner clamping block 34 fixedly connected with the outer sides of the connecting column 33 is driven to synchronously move along with the threaded rod, so that the inner clamping block 34 can abut against the inner side of the thin-walled workpiece 4, after the inner clamping block 34 is fully abutted against the inner side of the thin-walled workpiece 4, the clamping operation of the inner side of the thin-walled workpiece 4 is completed, the fixing of the thin-walled workpiece 4 can be more firmly kept under the operation of inner and outer clamping, the clamping effect is further ensured, and therefore, the accuracy in the machining and cutting process is improved, the clamping can be firmly realized for different thin-walled workpieces, and the practicability of the integral clamp is improved;

Finally, after the cutting machining is finished, the thin-wall part can be removed through reversing the operation steps, and the thin-wall part is switched to the other side to be continuously machined or the other thin-wall part is replaced to be continuously machined, so that the operation is simple, and the production efficiency is improved.

Claims (8)

1. The utility model provides a work piece cutting processing anchor clamps, includes base (1), its characterized in that: two groups of outer clamp assemblies (2) are arranged on the upper side of the base (1), a thin-wall piece (4) is arranged on one side of the outer clamp assemblies (2), and an inner clamp assembly (3) is abutted to the inner side of the thin-wall piece (4);

The outer clamp assembly (2) comprises a fixed block (21), fixed bolts (22), nuts (23), distance adjusting screws (24), clamping arms (25), buffer pieces (26) and fixed supports (27), wherein the fixed block (21) is abutted to the upper side of the base (1), threaded holes are formed in two sides of the fixed block (21), the fixed bolts (22) are screwed into the threaded holes of the fixed block, the nuts (23) are screwed into the outer sides of the fixed bolts (22), the distance adjusting screws (24) are screwed into the central positions of the fixed block (21), and the clamping arms (25) are abutted to one ends of the distance adjusting screws (24).

2. A fixture for cutting a workpiece according to claim 1, wherein: one side of centre gripping arm (25) is arc design, and its inboard fixedly connected with bolster (26) of arc, one side of bolster (26) with the outside looks airtight butt of thin wall spare (4), the outside of centre gripping arm (25) is provided with fixed bolster (27), the inboard of fixed bolster (27) with the outside looks adaptation of centre gripping arm (25), centre gripping arm (25) can be followed the inboard of fixed bolster (27) is spacing slip, the lower tip of fixed bolster (27) is in through screw fixed connection on the upside of base (1).

3. A fixture for cutting a workpiece according to claim 1, wherein: the inner clamp assembly (3) comprises a threaded rod (31), an adjusting lug (32), a connecting column (33), an inner clamping block (34) and a separation plate (35), wherein a special-shaped notch is formed in the central position of the base (1), threaded holes are formed in the inner side walls of the notch, the threaded rod (31) is screwed into the threaded holes, the adjusting lug (32) is fixedly connected with one end portion of the threaded rod (31), the adjusting lug (32) is rotationally connected to the outer side of the base (1), the connecting column (33) is screwed to the outer side of the threaded rod (31), one side of the connecting column (33) is fixedly connected with the inner clamping block (34), the separation plate (35) is fixedly connected to the central position of the notch, and the inner side of the separation plate (35) is provided with the threaded holes.

4. A fixture for workpiece cutting as defined in claim 3, wherein: threaded rod (31) are including left-handed threaded rod (311) and right-handed threaded rod (312), the inboard screw hole spiro union of division board (35) has left-handed threaded rod (311), one end of left-handed threaded rod (311) with adjust lug (32) looks fixed connection, the other end fixedly connected with right-handed threaded rod (312) of left-handed threaded rod (311), one end rotation of right-handed threaded rod (312) is connected in the screw hole of the inboard of square notch of base (1).

5. A fixture for workpiece cutting as defined in claim 4, wherein: the outer side shape of the connecting column (33) is matched with the inner side of the special-shaped notch formed in the center of the base (1), and the connecting column (33) can slide in a limiting mode in the special-shaped notch along the outer side of the threaded rod (31).

6. The fixture for workpiece cutting according to claim 5, wherein: the outer side of the inner clamping block (34) is in a circular arc shape, and is in airtight fit and abutting connection with the inner side wall of the thin-wall piece (4).

7. The fixture for workpiece cutting according to claim 5, wherein: the number of the connecting columns (33) is two, and the connecting columns are distributed on two sides of the isolation plate (35) and are respectively in threaded connection with the left-handed threaded rod (311) and the right-handed threaded rod (312).

8. A fixture for cutting a workpiece according to claim 1, wherein: the outer side of the buffer piece (26) is made of rubber.