CN213317949U

CN213317949U - Frock clamp for milling machine

Info

Publication number: CN213317949U
Application number: CN202022037862.5U
Authority: CN
Inventors: 陈定军; 焦备战; 陈新平
Original assignee: Xi'an Xinming Machinery Manufacturing Co ltd
Current assignee: Xi'an Xinming Machinery Manufacturing Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-01
Anticipated expiration: 2030-09-16

Abstract

The application relates to a tool clamp for a milling machine, which relates to the field of tool clamps and comprises a base, an adjusting component, a fixing component and a clamping component, wherein the adjusting component comprises a connecting seat and a guide rail; the fixing component is used for fixing the guide rail and the connecting seat; the clamping assembly comprises a base, a first clamping block, a second clamping block, a fixing plate and a third bolt, the base is fixedly connected with the guide rail, the first clamping block is connected with the base in a sliding mode, the second clamping block is fixedly connected with the base, the fixing plate is fixedly connected with the base, a fourth threaded hole is formed in the fixing plate, and the third bolt is connected in the fourth threaded hole in a threaded mode so as to fix the fixing plate and the first clamping block; when the clamping device is used, the guide rail is pushed to slide along the connecting seat, and the clamping component is driven to rotate when the guide rail slides, so that the angle of a workpiece can be adjusted, and the angle of the horizontal position of the workpiece can be adjusted by rotating the connecting seat. This application has the effect of being convenient for to work piece centre gripping is fixed.

Description

Frock clamp for milling machine

Technical Field

The application relates to the field of tool fixtures, in particular to a tool fixture for a milling machine.

Background

The fixture is a device for fixing a processing object in a machining process to facilitate processing assembly or detection measurement, that is, the fixture is an indispensable component for machining.

The milling machine in the related art comprises a machine body, a workbench, a cross beam and columns located on two sides of the machine body, wherein a milling head is mounted on the cross beam, the cross beam can move vertically along a guide rail of the columns, the workbench can move longitudinally along the guide rail of the machine body, a clamp is fixedly connected onto the workbench and used for clamping a workpiece during machining, and the milling machine is usually used for machining large workpieces, large dies and the like.

In view of the above-mentioned related art, the inventors consider that there is a drawback that it is inconvenient to clamp and fix the workpiece.

SUMMERY OF THE UTILITY MODEL

In order to carry out the centre gripping to the work piece fixedly, this application provides a frock clamp for milling machine.

The application provides a frock clamp for milling machine adopts following technical scheme:

the utility model provides a frock clamp for milling machine, includes base, adjusting part, centre gripping subassembly and fixed subassembly, adjusting part includes connecting seat and guide rail, the connecting seat with the base is connected, the guide rail is convex, the guide rail with the connecting seat is followed the circumference sliding connection of guide rail, the centre gripping subassembly with the guide rail is connected, the centre gripping subassembly is used for the centre gripping work piece, fixed subassembly will the guide rail with the connecting seat is fixed.

Through adopting above-mentioned technical scheme, when the centre gripping subassembly is pressed from both sides the work piece and is pressed from both sides the back and need angle adjustment, slide the guide rail for the connecting seat along guide rail circumference, drive centre gripping subassembly and work piece when the guide rail slides and rotate, after the guide rail drives the work piece and rotates to suitable angle, accessible fixed subassembly is fixed guide rail and connecting seat, has effectively improved the work piece and has pressed from both sides the problem of the angle adjustment of being not convenient for after pressing from both sides tightly, is convenient for carry out the centre gripping to the work piece.

Optionally, the fixing assembly comprises a first screw, a pressing piece and a gasket, the connecting seat is provided with a first threaded hole, the pressing piece is provided with a round hole, and the first screw sequentially penetrates through the gasket and the pressing piece to be in threaded connection with the first threaded hole.

Through adopting above-mentioned technical scheme, after the guide rail drives the work piece and rotates to required angle, rotate first screw, because first screw and first screw hole threaded connection, first screw can remove to the direction that is close to the connecting seat, drives gasket and preforming and removes to the direction that is close to the connecting seat during first screw removes to compress tightly guide rail and connecting seat, reduced the gliding problem of guide rail on the connecting seat, effectively improved the machining precision of milling machine to the work piece.

Optionally, the side wall of the connecting seat is provided with a plurality of second threaded holes, the second threaded holes are internally threaded with first bolts, and one end of each first bolt extends to the outside of the corresponding second threaded hole and abuts against the corresponding guide rail.

Through adopting above-mentioned technical scheme, when the guide rail drives the work piece and rotates required angle, rotate first bolt and can be with guide rail and connecting seat lateral wall chucking, further with guide rail and connecting seat fixed, reduced the gliding problem of slide rail along the direction of perpendicular to guide rail circumference, effectively improved the precision of milling machine to the work piece processing.

Optionally, the connecting seat is rotatably connected with the base, a third threaded hole is formed in the connecting seat, a second bolt is connected to the third threaded hole in an internal thread manner, and one end of the second bolt extends to the outside of the third threaded hole and abuts against the base.

Through adopting above-mentioned technical scheme, when the angle of regulation work piece is rotated to the level that needs in the course of working, the relative position of rotatable connecting seat in order to adjust connecting seat and base, when rotating the suitable position with the connecting seat, rotate the second bolt and can support connecting seat and base tightly, effectively improved the work piece and pressed from both sides the problem of the horizontal adjustment angle of being inconvenient for after tightly, be favorable to carrying out the centre gripping to the work piece fixed.

Optionally, the side wall of the connecting seat is provided with scales.

Through adopting above-mentioned technical scheme, when rotating the connecting seat, the assigned position that can observe the base and the scale registration of the corresponding position of connecting seat, the connecting seat pivoted angle of being convenient for in time feed back is convenient for with the accurate rotation to required position of work piece, is favorable to improving the precision of milling machine to work piece processing.

Optionally, the centre gripping subassembly includes the base, first clamp splice, second clamp splice, fixed plate and third bolt, the base with guide rail fixed connection, first clamp splice with base sliding connection, the orientation that can move towards of first clamp splice is close to or keeps away from the direction slip of second clamp splice, the second clamp splice with base fixed connection, the fixed plate with base fixed connection, at least one fourth screw hole has been seted up on the fixed plate, third bolt threaded connection is in the fourth screw hole, third bolt one end with first clamp splice butt.

Through adopting above-mentioned technical scheme, when carrying out the centre gripping to the work piece, promote first clamp splice and slide towards the direction that is close to the second clamp splice, slide to first clamp splice and second clamp splice when supporting the work piece tightly, rotate the third bolt, the third bolt can be with first clamp splice and fixed plate chucking, has effectively reduced the problem of work piece not hard up skew between first clamp splice and second clamp splice, has effectively improved the precision of milling machine to the work piece processing.

Optionally, the device further comprises a control assembly, the control assembly comprises a threaded sleeve, a second screw rod, a baffle and a flange, a cavity is formed in the first clamping block, the threaded sleeve is located in the cavity, the threaded sleeve is fixedly connected with the base, a first through hole is formed in one side, far away from the second clamping block, of the first clamping block, the first through hole is communicated with the cavity, one end of the second screw rod penetrates through the first through hole and extends into the cavity, one end of the second screw rod is in threaded connection with the threaded sleeve, the baffle is fixedly connected to one end, far away from the first clamping block, of the second screw rod, the flange is fixedly connected with the first clamping block, a second through hole is formed in the flange, the second screw rod can penetrate through the second through hole and extend to the outer side of the second through hole, a first groove is formed in one side, close to the first clamping block, of the flange, the first groove is communicated with the second through hole, the baffle is abutted to the inner wall of the first groove, and the baffle can rotate in the first groove along the axis direction of the second screw.

Through adopting above-mentioned technical scheme, rotatory second screw rod, because second screw rod and swivel nut threaded connection and swivel nut and base fixed connection, consequently the screw rod can move towards the direction that is close to or keeps away from the second clamp splice when rotating, can drive the baffle and move towards the direction that is close to or keeps away from the second clamp splice when moving, again because the inner wall butt and the flange and the first clamp splice fixed connection of baffle and flange, consequently the baffle can drive the direction that first clamp splice orientation is close to or keeps away from the second clamp splice when removing and remove, thereby reach the state that presss from both sides the clamp or loosen the work piece, through the aforesaid operation, make the slip of first clamp splice more easily controllable, rotate the elasticity of screw rod alright control centre gripping, be favorable to the centre gripping fixed to the work piece.

Optionally, one end of the second screw rod, which is far away from the first clamping block, is fixedly connected with a rotating block, and the rotating block is prism-shaped.

Through adopting above-mentioned technical scheme, be favorable to more light convenient rotation second screw rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the tool clamp for the milling machine is provided with the adjusting assembly, the adjusting assembly comprises a circular arc-shaped guide rail, the guide rail is connected with the clamping assembly, the position of a workpiece can be adjusted by pushing the guide rail to slide, and the workpiece can be conveniently clamped and fixed;

2. the utility model provides a pair of frock clamp for milling machine is equipped with connecting seat and base, and connecting seat and base rotate to be connected, have effectively improved the problem of the horizontal adjustment angle of being not convenient for after the work piece is pressed from both sides tightly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a base and a connection mount of an embodiment of the present application;

FIG. 3 is an exploded view of the clamping assembly of an embodiment of the present application;

FIG. 4 is a cross-sectional view of a base, a first clamp block, a second clamp block, and a control assembly of an embodiment of the present application.

Description of reference numerals: 1. a base; 11. a bump; 2. an adjustment assembly; 21. a connecting seat; 211. a through groove; 212. calibration; 213. a first threaded hole; 214. a second threaded hole; 215. a third threaded hole; 216. a second bolt; 217. a second groove; 218. a first bolt; 219. a fixed block; 22. a guide rail; 3. a fixing assembly; 31. a first screw; 32. tabletting; 33. a gasket; 4. a clamping assembly; 41. a base; 411. a chute; 42. a first clamping block; 421. a slider; 422. a cavity; 423. a first through hole; 43. a second clamp block; 44. a fixing plate; 441. a fourth threaded hole; 45. a third bolt; 5. a control component; 51. a threaded sleeve; 52. a second screw; 521. rotating the block; 53. a baffle plate; 54. a flange; 541. a first groove; 542. a second via.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The milling machine comprises a machine base, a workbench, a machine head and a milling cutter, wherein the workbench is connected with the machine base in a sliding mode, an air cylinder is arranged on the machine base, a cylinder body of the air cylinder is fixedly connected with the machine base through screws, a piston rod of the air cylinder is fixedly connected with the workbench through screws, the air cylinder is used for driving the workbench to slide, the machine head is fixedly connected with the machine base through screws, and the milling cutter is fixedly connected with the machine head through screws.

The embodiment of the application discloses frock clamp for milling machine. Referring to fig. 1, the jig for milling machine comprises a base 1, an adjusting component 2, a clamping component 4, a control component 5 and a fixing component 3; the base 1 and the workbench are fixedly connected by screws.

Referring to fig. 1 and 2, a ring of annular protruding blocks 11 are welded on one side of the base 1 close to the adjusting assembly 2, the cross section of the protruding blocks 11 is T-shaped, the adjusting assembly 2 includes a connecting seat 21 and a guide rail 22, a ring of annular through grooves 211 are formed on one side of the connecting seat 21 close to the base 1, the cross section of the through grooves 211 is T-shaped, the protruding blocks 11 are located in the through grooves 211 and can slide along the through grooves 211, scales 212 are arranged on the circumferential wall of the connecting seat 21, a third threaded hole 215 is formed in the connecting seat 21 in a penetrating manner along the vertical direction, a second bolt 216 is connected to the third threaded hole 215 in an internal thread manner, and one end of the second bolt 216; one side welding that connecting seat 21 kept away from base 21 has two fixed blocks 219, and the lateral wall that a fixed block 219 is close to another fixed block 219 has seted up convex second recess 217, and guide rail 22 is equipped with two, and guide rail 22 is circular arc, and the lateral wall butt of guide rail 22 lateral wall and second recess 217, a guide rail 22 can slide along a second recess 217, and guide rail 22 slides and is fixed guide rail 22 and fixed block 219 by fixed subassembly 3 after suitable position.

Referring to fig. 1, the fixing assemblies 3 are provided with two sets, a set of fixing assemblies 3 and a guide rail 22 are correspondingly installed, each fixing assembly 3 comprises a first screw 31, a pressing piece 32 and a gasket 33, a first threaded hole 213 is formed in the top wall of the fixing block 219, a round hole is formed in the pressing piece 32, the first screw 31 sequentially penetrates through the gasket 33 and the round hole to be connected in the first threaded hole 213, the pressing piece 32 is respectively abutted to the fixing block 219 and the guide rail 22, and the guide rail 22 is clamped between the second groove 217 and the pressing piece 32.

Referring to fig. 1, a second threaded hole 214 is formed in the side wall of the fixing block 219 in a direction perpendicular to the first screw 31, a first bolt 218 is connected to the second threaded hole 214 in an internal thread manner, the first bolt 218 extends to the outer side of one end of the second threaded hole 214 close to the guide rail 22, and the guide rail 22 and the fixing block 219 are tightly clamped by the first bolt 218.

Referring to fig. 3, the clamping assembly 4 includes a base 41, a first clamping block 42, a second clamping block 43, a fixing plate 44 and a third bolt 45, the base 41 is welded to the guide rail 22, a sliding groove 411 is formed in one side of the base 41 close to the first clamping block 42, the sliding groove 411 is a T-shaped sliding groove, a sliding block 421 is welded to one side of the first clamping block 42 close to the base 41, the sliding block 421 is a T-shaped sliding block, the sliding block 421 can slide along the sliding groove 411, the second clamping block 43 is welded to the base 41, the fixing plate 44 is provided with two fourth threaded holes 441, the third bolt 45 is in threaded connection with the fourth threaded holes 441, and one end of the third bolt 45 extends out of the fourth threaded holes 441 and abuts against.

Referring to fig. 3 and 4, the control assembly 5 includes a threaded sleeve 51, a second screw 52, a baffle plate 53 and a flange 54, a cavity 422 is formed in one side of the first clamping block 42 close to the base 41, the threaded sleeve 51 is located in the cavity 422, the threaded sleeve 51 is welded with the base 41, a first through hole 423 is formed in one side of the first clamping block 42 away from the second clamping block 43, the first through hole 423 is communicated with the cavity 422, one end of the second screw 52 extends into the cavity 422 through the first through hole 423, the tolerance fit between the outer diameter of the second screw 52 and the inner diameter of the first through hole 423 is clearance fit, one end of the second screw 52 extending into the cavity 422 is in threaded connection with the threaded sleeve 51, the baffle plate 53 is circular, the baffle plate 53 is welded with one end of the second screw 52 located outside the first through hole 423, the flange 54 is fixedly connected with a side wall of the first clamping block 42 away from the second clamping block 43 through a screw, a second through hole 542 is formed in a side wall of the flange 54, one end of the second screw 52 away from the second clamping block 43 extends to the, the flange 54 is provided with a first groove 541 on one side close to the first clamping block 42, the first groove 541 is communicated with the second through hole 542, the baffle 53 is positioned in the first groove 541 and can rotate along the axial direction of the second screw 52, the outer diameter of the baffle 53 is larger than the inner diameters of the first through hole 423 and the second through hole 542, one end of the second screw 52 far away from the first clamping block 42 is welded with a rotating block 521, and the rotating block 521 is prismatic.

The implementation principle of the tool clamp for the milling machine in the embodiment of the application is as follows: when the workpiece is clamped by the tool clamp for the milling machine, the rotating block 521 is rotated, the rotating block 521 drives the second screw rod 52 to rotate, the second screw rod 52 can move towards the direction close to the second clamping block 43 when rotating, the second screw rod 52 drives the baffle 53 to move when moving, the baffle 53 can push the first clamping block 42 to slide along the sliding groove 411 when moving, the first clamping block 42 slides to be abutted against the workpiece, the third bolt 45 is rotated to clamp the first clamping block 42 and the fixing plate 44, and therefore the clamping process of the workpiece is achieved.

When the angle of the workpiece needs to be adjusted in the process of machining the workpiece by the milling machine, one end of the guide rail 22 is pushed, so that the guide rail 22 slides along the second groove 217, the clamping component 4 is driven to rotate when the guide rail 22 slides, and the clamping component 4 drives the workpiece to rotate together, so that the angle of the workpiece can be adjusted; when the workpiece is adjusted to a proper angle, the first screw 31 is rotated, and the first screw 31 drives the gasket 33 and the pressing sheet 32 to move towards the direction close to the connecting seat 21, so that the guide rail 22 and the fixing block 219 are pressed tightly; then, the first bolt 218 is rotated, and the first bolt 218 moves toward the direction close to the side wall of the guide rail 22 until one end of the first bolt 218 abuts against the side wall of the guide rail 22, so that the adjustment of the angle of the workpiece can be completed.

When the milling machine needs the angle of horizontal adjustment work piece to the in-process of work piece processing, rotate connecting seat 21, connecting seat 21 drives adjusting part 2 and centre gripping subassembly 4 and rotates together to the realization is to the adjustment of work piece horizontal angle, observes the scale 212 of connecting seat 21 lateral wall during the adjustment, confirms pivoted angle with this, when rotating appointed angle, rotates second bolt 216 and moves towards the direction that is close to base 1, until second bolt 216 and base 1 support tightly, accomplish the adjustment to work piece horizontal angle promptly.

When the milling machine finishes processing a workpiece and needs to separate the workpiece from the clamping component 4, the rotating block 521 is rotated, the rotating block 521 drives the second screw rod 52 to rotate, the second screw rod 52 moves towards the direction far away from the second clamping block 43 when rotating, the second screw rod 52 drives the baffle plate 53 to move when moving, the baffle plate 53 moves to push the flange 54 to move towards the direction far away from the second clamping block 43, and the flange 54 drives the first clamping block 42 to slide along the sliding groove 411 towards the direction far away from the second clamping block 43 when moving, so that the workpiece can be separated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a frock clamp for milling machine which characterized in that: including base (1), adjusting part (2), centre gripping subassembly (4) and fixed subassembly (3), adjusting part (2) are including connecting seat (21) and guide rail (22), connecting seat (21) with base (1) is connected, guide rail (22) are circular arc, guide rail (22) with connecting seat (21) are followed the circumference sliding connection of guide rail (22), centre gripping subassembly (4) with guide rail (22) are connected, centre gripping subassembly (4) are used for the centre gripping work piece, fixed subassembly (3) will guide rail (22) with connecting seat (21) are fixed.

2. A tool holder for a milling machine according to claim 1, wherein: the fixing component (3) comprises a first screw (31), a pressing sheet (32) and a gasket (33), a first threaded hole (213) is formed in the connecting seat (21), a round hole is formed in the pressing sheet (32), and the first screw (31) sequentially penetrates through the gasket (33) and the pressing sheet (32) to be connected in the first threaded hole (213) in a threaded mode.

3. A tool holder for a milling machine according to claim 1, wherein: a plurality of second screw holes (214) are formed in the side wall of the connecting seat (21), first bolts (218) are connected to the second screw holes (214) in an internal thread mode, and one ends of the first bolts (218) extend out of the second screw holes (214) and are abutted to the guide rails (22).

4. A tool holder for a milling machine according to claim 1, wherein: the connecting seat (21) is rotatably connected with the base (1), a third threaded hole (215) is formed in the connecting seat (21), a second bolt (216) is connected to the third threaded hole (215) in an internal thread mode, and one end of the second bolt (216) extends to the outside of the third threaded hole (215) to be abutted to the base (1).

5. A tool holder for a milling machine according to claim 1, wherein: the side wall of the connecting seat (21) is provided with scales (212).

6. A tool holder for a milling machine according to claim 1, wherein: the clamping assembly (4) comprises a base (41), a first clamping block (42), a second clamping block (43), a fixing plate (44) and a third bolt (45), the base (41) is fixedly connected with the guide rail (22), the first clamping block (42) is slidably connected with the base (41), the first clamping block (42) can slide towards the direction close to or away from the second clamping block (43), the second clamping block (43) is fixedly connected with the base (41), the fixing plate (44) is fixedly connected with the base (41), at least one fourth threaded hole (441) is formed in the fixing plate (44), the third bolt (45) is in threaded connection with the fourth threaded hole (441), and one end of the third bolt (45) is abutted to the first clamping block (42).

7. A tool clamp for a milling machine according to claim 6, characterized in that: the clamping device is characterized by further comprising a control assembly (5), the control assembly (5) comprises a threaded sleeve (51), a second screw (52), a baffle plate (53) and a flange (54), a cavity (422) is formed in the first clamping block (42), the threaded sleeve (51) is located in the cavity (422), the threaded sleeve (51) is fixedly connected with the base (41), a first through hole (423) is formed in one side, far away from the second clamping block (43), of the first clamping block (42), the first through hole (423) is communicated with the cavity (422), one end of the second screw (52) penetrates through the first through hole (423) to extend into the cavity (422), one end of the second screw (52) is in threaded connection with the threaded sleeve (51), the baffle plate (53) is fixedly connected to one end, far away from the first clamping block (42), of the second screw (52), and the flange (54) is fixedly connected with the first clamping block (42), the flange (54) is provided with a second through hole (542), the second screw (52) can pass through the second through hole (542) and extend to the outer side of the second through hole (542), one side of the flange (54), which is close to the first clamping block (42), is provided with a first groove (541), the first groove (541) is communicated with the second through hole (542), the baffle (53) is abutted against the inner wall of the first groove (541), and the baffle (53) can rotate in the first groove (541) along the axis direction of the second screw (52).

8. A tool holder for a milling machine according to claim 7, wherein: one end, far away from the first clamping block (42), of the second screw rod (52) is fixedly connected with a rotating block (521), and the rotating block (521) is prism-shaped.