CN215942165U

CN215942165U - Large workpiece milling fixture based on positioning groove positioning

Info

Publication number: CN215942165U
Application number: CN202121718069.XU
Authority: CN
Inventors: 袁兴国; 吴俊军; 闫玉明
Original assignee: Kunshan Zidong Metal Products Co ltd
Current assignee: Kunshan Zidong Metal Products Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-04
Anticipated expiration: 2031-07-27

Abstract

The utility model provides a large workpiece milling clamp based on positioning of a positioning groove, and relates to the field of clamps. This big work piece milling fixture based on constant head tank location, the on-line screen storage device comprises a base, base top both sides all are provided with splint, the inside centre gripping subassembly that is provided with of splint, the centre gripping subassembly includes the bull stick, the bull stick both ends all extend into the spout inside and with splint sliding connection, bull stick outside fixedly connected with worm wheel. This big work piece milling fixture based on constant head tank location, through on placing the semicircle board to big work piece, utilize and rotate the threaded rod and make two sliders be close to the removal to adjacent direction, drive the worm wheel simultaneously and rotate, make the scroll cover remove to pressing from both sides the groove direction, make two inside equal sliding connection's of fixed plate splint be close to the removal to big work piece simultaneously and carry out the centre gripping, the purpose of location centre gripping work piece has been reached, the size of the big work piece of needs weight again has been avoided, reprocess, the machining efficiency is improved, and the working time is saved.

Description

Large workpiece milling fixture based on positioning groove positioning

Technical Field

The utility model relates to a milling fixture, in particular to a large workpiece milling fixture based on positioning of positioning grooves, and belongs to the technical field of fixtures.

Background

The machine is also called a fixture, which is used to fix the object to be processed to make it occupy the correct position for receiving construction or detection. In a broad sense, any procedure in the process, the device for quickly, conveniently and safely mounting a workpiece is called a clamp, and milling is to process the surface of the workpiece mounted and fixed on the clamp by using a milling cutter as a cutter.

However, when a large workpiece is clamped and milled, clamping may be unstable, and a plurality of surfaces are machined by adjusting the angle of the large workpiece, so that after one surface of the large workpiece is milled, the clamp needs to be loosened, the large workpiece is adjusted and changed, and then clamped again for machining, and no matter the workpiece is clamped or taken down, a long time is spent, so that the production efficiency is seriously affected, and the machining quality is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problems that in the prior art, a large workpiece milling fixture based on positioning groove positioning is provided, so that the problem that when one surface of a large workpiece is milled, the fixture needs to be loosened, and the large workpiece is clamped again after being adjusted and replaced by a worker to be machined due to the fact that a plurality of surfaces are machined by adjusting angles of the large workpiece is solved.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a large workpiece milling fixture based on positioning of a positioning groove comprises a base, wherein clamping plates are arranged on two sides of the top end of the base, a dial is carved on one side of one clamping plate, and a clamping assembly is arranged in each clamping plate;

the clamping assembly comprises a rotating rod, sliding grooves are formed in the front side and the rear side of the inner portion of the clamping plate, the two ends of the rotating rod extend into the sliding grooves and are connected with the clamping plate in a sliding mode, a worm wheel is fixedly connected to the outer side of the rotating rod, a short worm is meshed at the top end of the worm wheel, one end of the short worm is rotatably connected with the clamping plate through a bearing, a worm sleeve is sleeved on the outer side of the short worm and is meshed with the short worm, a bearing seat is fixedly connected to the outer side of the worm sleeve, a rotating plate is fixedly connected to the top end of the bearing seat, a rotating groove is formed in the top end of the clamping plate, the rotating groove extends out of the top end of the rotating plate, clamping grooves are formed in the inner sides of the two clamping plates, fixing plates are fixedly connected to the front side and the rear side of the worm sleeve, fixing rods are fixedly connected to one end of the worm sleeve, and one end of each fixing rod extends out of the corresponding clamping plate.

Preferably, the dead lever one end outside is connected with the bearing housing through the bearing, the equal fixedly connected with connecting plate in both ends about the bearing housing, two connecting plate one end all extends into two fixed plates inside and with fixed plate sliding connection, is favorable to cliping the work piece fast, improves stability.

Preferably, the inside inserted bar that is provided with of commentaries on classics board, splint are run through to inserted bar one end, the inserted bar other end extends into inside and agrees with mutually with splint of splint, and quick block avoids angle regulation mistake to appear.

Preferably, the long worm is fixedly connected to the inner portion of the base and meshed with the worm wheel, clamping capacity is enhanced, and workpieces are prevented from being damaged by clamping.

Preferably, the inside threaded connection of base has the threaded rod, two the equal fixedly connected with slider in splint bottom, the slider bottom extend into the base inside and with threaded rod threaded connection, base and fixedly connected with carousel are run through to threaded rod one end, are favorable to the fast turn threaded rod, improve the flexibility.

Preferably, the base is internally provided with a semicircular plate groove, the top end of the base is provided with a semicircular plate, the semicircular plate is arranged between the two clamps, the supporting property is improved, and the instability of a clamped workpiece is avoided.

Preferably, a plurality of springs of fixedly connected with between semicircle board and the base, long worm set up in a plurality of spring bottom, are favorable to carrying out a plurality of face processing, improve work efficiency.

The utility model provides a large workpiece milling clamp based on positioning of a positioning groove, which has the following beneficial effects:

1. this big work piece milling fixture based on constant head tank location, through on placing the semicircle board to big work piece, utilize and rotate the threaded rod and make two sliders be close to the removal to adjacent direction, drive the worm wheel simultaneously and rotate, make the scroll cover remove to pressing from both sides the groove direction, make two inside equal sliding connection's of fixed plate splint be close to the removal to big work piece simultaneously and carry out the centre gripping, the purpose of location centre gripping work piece has been reached, the size of the big work piece of needs weight again has been avoided, reprocess, the machining efficiency is improved, and the working time is saved.

2. This big work piece milling fixture based on constant head tank location, the inserted bar through changeing the inside setting of board takes out from splint inside, rotates again and changes the board and can drive two big work pieces of connecting splint centre gripping and rotate, utilizes a plurality of spring elastic capacity to make the semicircle board continue to keep the inclined plane under the effect, inserts splint inside with the inserted bar again, has reached the purpose that big work piece carries out a plurality of face processing, has reduced operating time, is favorable to improving production efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a top cross-sectional view of the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 4 according to the present invention.

In the figure: 1. a base; 2. a splint; 3. a rotating rod; 4. a worm gear; 5. a chute; 6. a short worm; 7. a worm sleeve; 8. a bearing seat; 9. rotating the plate; 10. rotating the groove; 11. inserting a rod; 12. a clamping groove; 13. a fixing plate; 14. fixing the rod; 15. a bearing housing; 16. connecting the clamping plates; 17. a threaded rod; 18. a slider; 19. a turntable; 20. a long worm; 21. a semicircular plate groove; 22. a spring; 23. a semicircular plate.

Detailed Description

The embodiment of the utility model provides a large workpiece milling clamp based on positioning of a positioning groove.

Referring to fig. 1, 3, 4 and 5, the clamping device comprises a base 1, clamping plates 2 are arranged on two sides of the top end of the base 1, a dial is carved on one side of one clamping plate 2, a threaded rod 17 is connected to the inner part of the base 1 in a threaded manner, sliding blocks 18 are fixedly connected to the bottom ends of the two clamping plates 2, the bottom ends of the sliding blocks 18 extend into the base 1 and are in threaded connection with the threaded rod 17, one end of the threaded rod 17 penetrates through the base 1 and is fixedly connected with a rotary table 19, and a clamping assembly is arranged inside the clamping plate 2;

the clamping assembly comprises a rotating rod 3, sliding grooves 5 are formed in the front side and the rear side of the interior of a clamping plate 2, two ends of the rotating rod 3 extend into the sliding grooves 5 and are in sliding connection with the clamping plate 2, a worm wheel 4 is fixedly connected to the outer side of the rotating rod 3, a long worm 20 is fixedly connected to the interior of a base 1 and is meshed with the worm wheel 4, a short worm 6 is meshed with the top end of the worm wheel 4, one end of the short worm 6 is rotatably connected with the clamping plate 2 through a bearing, a worm sleeve 7 is sleeved on the outer side of the short worm 6, the worm sleeve 7 is meshed with the short worm 6, a bearing seat 8 is fixedly connected to the outer side of the worm sleeve 7, a rotating plate 9 is fixedly connected to the top end of the bearing seat 8, a rotating groove 10 is formed in the top end of one clamping plate 2, the top end of the rotating plate 9 extends out of the rotating groove 10, clamping grooves 12 are formed in the inner sides of two clamping plates 2, fixing plates 13 are fixedly connected to the front side and rear side of the worm sleeve 7, one end of the worm sleeve 7 is fixedly connected with a fixing rod 14, one end of the fixing rod extends out of the clamping plate 2, the outer side of one end of the fixing rod 14 is connected with a bearing sleeve 15 through a bearing, the upper end and the lower end of the bearing sleeve 15 are fixedly connected with connecting splints 16, and one ends of the two connecting splints 16 extend into the two fixing plates 13 and are in sliding connection with the fixing plates 13.

Specifically, in the process of clamping a large workpiece, the large workpiece is firstly placed on a semicircular plate 23 arranged at the top end of a base 1, a threaded rod 17 connected with the internal threads of the base 1 is utilized, the bottom ends of sliding blocks 18 fixedly connected with the bottom ends of two clamping plates 2 are both connected with the threaded rod 17 in a threaded manner, one end of the threaded rod 17 penetrates through a turntable 19 of the base 1 and fixedly connected with the base 1, so that the turntable 19 is rotated to drive the threaded rod 17 to rotate, the two sliding blocks 18 move towards the adjacent directions, so as to drive the two clamping plates 2 to move, meanwhile, a long worm 20 fixedly connected with the internal parts of the base 1 is meshed with a worm wheel 4, two ends of a rotating rod 3 fixedly connected with the internal parts of the worm wheel 4 are both connected with the clamping plates 2 in a sliding manner, a worm sleeve 7 meshed with the outer side of a short worm 6 meshed with the top end of the worm wheel 4, one end of a fixed rod 14 fixedly connected with one end of the worm sleeve 7 extends out of the clamping plates 2 and is fixedly connected with a bearing sleeve 15, the equal fixed connection's in both ends about bearing housing 15 connecting splint 16 one end all with fixed plate 13 sliding connection, therefore, two splint 2 remove worm wheel 4 and the long worm 20 that have driven 3 outside fixed connection of bull stick and drive worm wheel 4 through the meshing and rotate, indirectly drive short worm 6 and rotate, make worm cover 7 to 12 directions of pressing from both sides groove and remove, worm cover 7 removes the in-process simultaneously, drive dead lever 14 and remove, make two inside equal sliding connection's of fixed plate 13 connecting splint 16 be close to the removal to big work piece and carry out the centre gripping, the purpose of location centre gripping work piece has been reached, the size of the big work piece of needs resale has been avoided, reprocess, and the machining efficiency is improved, and the working time is saved.

Referring to fig. 1, 2, 3 and 4 again, an inserting rod 11 is arranged inside the rotating plate 9, one end of the inserting rod 11 penetrates through the clamping plate 2, the other end of the inserting rod 11 extends into the clamping plate 2 and fits with the clamping plate 2, a semicircular plate groove 21 is formed inside the base 1, a semicircular plate 23 is arranged at the top end of the base 1, the semicircular plate 23 is arranged between the two clamps, a plurality of springs 22 are fixedly connected between the semicircular plate 23 and the base 1, and the long worm 20 is arranged at the bottom ends of the springs 22.

Specifically, when a plurality of surfaces are machined by adjusting the angle, the inserted rod 11 arranged in the rotating plate 9 is drawn out from the inner part of the clamping plate 2, the rotating plate 9 is rotated to adjust according to the angle of the dial carved on one side of the clamping plate 2, meanwhile, the rotating plate 9 is rotated to drive the bearing seat 8 to rotate, so as to drive the connecting clamping plate 16 which is fixedly connected with the two sides of the bearing seat 8 and is slidably connected with the inner part of the fixing plate 13 to rotate, the bearing sleeve 15 is in bearing connection with the fixing rod 14, the upper end and the lower end of the bearing sleeve 15 are in rotational connection with the connecting clamping plate 16, the bearing sleeve 15 can be driven to rotate, the two connecting clamping plates 16 indirectly clamp a large workpiece to rotate, the semicircular plate 23 generates an inclined surface condition in the rotating process, the semicircular plate 23 is continuously kept under the self elastic capacity of a plurality of springs 22, when the position is determined, the inserted rod 11 is inserted into the rotating plate 9 and the clamping plate 2, the purpose that big work piece carries out a plurality of face processing has been reached, has avoided every processing just to take off, adjusts the condition that a plurality of faces carry out centre gripping processing again, has reduced operating time, is favorable to improving production efficiency.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a big work piece milling fixture based on constant head tank location, includes base (1), its characterized in that: clamping plates (2) are arranged on two sides of the top end of the base (1), a dial is carved on one side of one clamping plate (2), and a clamping assembly is arranged inside the clamping plate (2);

the clamping assembly comprises a rotating rod (3), sliding grooves (5) are formed in the front side and the rear side of the inner portion of the clamping plate (2), two ends of the rotating rod (3) extend into the sliding grooves (5) and are in sliding connection with the clamping plate (2), a worm wheel (4) is fixedly connected to the outer side of the rotating rod (3), a short worm (6) is meshed with the top end of the worm wheel (4), one end of the short worm (6) is rotatably connected with the clamping plate (2) through a bearing, a worm sleeve (7) is sleeved on the outer side of the short worm (6), the worm sleeve (7) is meshed with the short worm (6), a bearing seat (8) is fixedly connected to the outer side of the worm sleeve (7), a rotating plate (9) is fixedly connected to the top end of the bearing seat (8), a rotating groove (10) is formed in the top end of one clamping plate (2), the top end of the rotating plate (9) extends out of the rotating groove (10), clamping grooves (12) are formed in the inner sides of the two clamping plates (2), the fixing plate (13) is fixedly connected to the front side and the rear side of the worm sleeve (7), a fixing rod (14) is fixedly connected to one end of the worm sleeve (7), and one end of the fixing rod (14) extends out of the clamping plate (2).

2. A large workpiece milling fixture based on positioning groove positioning according to claim 1, characterized in that: the bearing sleeve (15) is connected to the outside of one end of the fixing rod (14) through a bearing, the upper end and the lower end of the bearing sleeve (15) are fixedly connected with connecting clamp plates (16) respectively, and one ends of the connecting clamp plates (16) extend into the inner portions of the two fixing plates (13) and are connected with the fixing plates (13) in a sliding mode.

3. A large workpiece milling fixture based on positioning groove positioning according to claim 1, characterized in that: the novel rotary plate is characterized in that an inserting rod (11) is arranged inside the rotary plate (9), one end of the inserting rod (11) penetrates through the clamping plate (2), and the other end of the inserting rod (11) extends into the clamping plate (2) and is matched with the clamping plate (2).

4. A large workpiece milling fixture based on positioning groove positioning according to claim 1, characterized in that: the inner part of the base (1) is fixedly connected with a long worm (20), and the long worm (20) is meshed with the worm wheel (4).

5. A large workpiece milling fixture based on positioning groove positioning according to claim 1, characterized in that: base (1) internal thread is connected with threaded rod (17), two splint (2) equal fixedly connected with slider (18) in bottom, slider (18) bottom extend into base (1) inside and with threaded rod (17) threaded connection, base (1) and fixedly connected with carousel (19) are run through to threaded rod (17) one end.

6. A large workpiece milling fixture based on positioning groove positioning according to claim 1, characterized in that: the clamp is characterized in that a semicircular plate groove (21) is formed in the base (1), a semicircular plate (23) is arranged at the top end of the base (1), and the semicircular plate (23) is arranged between the two clamps.

7. A large workpiece milling fixture based on positioning groove positioning according to claim 6, characterized in that: a plurality of springs (22) are fixedly connected between the semicircular plate (23) and the base (1), and the long worm (20) is arranged at the bottom ends of the springs (22).