CN212145389U

CN212145389U - Novel positioning fixture for cutting of machine tool

Info

Publication number: CN212145389U
Application number: CN202020401674.3U
Authority: CN
Inventors: 李�浩
Original assignee: Jiangsu Pac & Cmc Manufacturing Co ltd
Current assignee: Jiangsu Pac & Cmc Manufacturing Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-12-15
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a novel positioning fixture is used in cutting of lathe relates to machining technical field, the on-line screen storage device comprises a base, the top one side fixedly connected with fixed plate of base, the inside fluting that has seted up in top of base, the inside of recess is equipped with slider, slide bar and first screw rod, the second through-hole has all been seted up to the top both sides of slider, first screw hole has been seted up at the middle part of slider, first screw hole and first screw rod looks adaptation, the both ends of slide bar all with base fixed connection, the both ends of first screw rod all are rotated with the base through first bearing and are connected, first screw rod is close to the first gear of the one end outside fixedly connected with of fixed plate, the base is close to the first motor of the inside fixedly connected with of one end of fixed plate, fixedly connected with second gear on the output shaft of first motor. This novel positioning fixture for cutting of lathe has solved current positioning fixture for cutting application scope narrower, the lower problem of fixed efficiency.

Description

Novel positioning fixture for cutting of machine tool

Technical Field

The utility model relates to the technical field of machining, specifically be a novel positioning fixture is used in cutting of lathe.

Background

When a workpiece is machined on a machine tool, in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified by a drawing, the workpiece needs to be fixed before machining, at this time, the workpiece needs to be fixed through a clamp.

In chinese utility model patent application no: CN201720449731.3 discloses a quick positioning fixture for numerical control wire cut electrical discharge machining bed, this positioning fixture is including the anchor clamps body, the top center is equipped with the fixed V type piece in V-arrangement groove, the movable V type piece that the bottom center that the activity of vertical direction set up is equipped with V-arrangement groove, the opening in the V-arrangement groove of fixed V type piece and movable V type piece is just right setting from top to bottom, the left and right sides of fixed V type piece and movable V type piece is the clamp plate, the anchor clamps body outside is equipped with the hand wheel, sets up perpendicularly on the hand wheel and drives the rotatory movable handle of hand wheel, the screw rod of establishing a vertical direction is inlayed at the hand wheel center, screw hole cooperation on the screw rod and the anchor clamps body extends to inside the movable V type piece, and the top of fixed V type piece is equipped with vertical ascending third and contacts stick and. The device adopts the V-arrangement piece to press from both sides tight fixed work piece, because its shape contained angle is fixed, application scope is narrower, and it adopts the crank to remove the clamp splice, and fixed efficiency is lower.

Therefore, it is necessary to provide a new positioning jig for cutting of a machine tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a novel positioning fixture is used in cutting of lathe to solve the current positioning fixture application scope for cutting that proposes among the above-mentioned background art narrower, fixed efficiency lower problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a positioning clamp for cutting of a novel machine tool comprises a base, wherein a fixed plate is fixedly connected to one side of the top end of the base, a groove is formed in the top end of the base, a sliding block, a sliding rod and a first screw rod are arranged in the groove, second through holes are formed in two sides of the top end of the sliding block, a first threaded hole is formed in the middle of the sliding block, the first threaded hole is matched with the first screw rod, two ends of the sliding rod are fixedly connected with the base, two ends of the first screw rod are rotatably connected with the base through first bearings, a first gear is fixedly connected to the outer side of one end, close to the fixed plate, of the first screw rod, a first motor is fixedly connected to the inner portion of one end, close to the fixed plate, of the base, a second gear is fixedly connected to an output shaft of the first motor, the first gear is meshed with the second gear, a movable, the top of fixed plate and fly leaf is inside all to be equipped with adjusting device, adjusting device comprises second screw rod, stopper, second motor and spacing groove, the inside of spacing groove is equipped with the stopper, the second screw hole has been seted up at the middle part of stopper, second screw hole and second screw rod looks adaptation, the middle part fixedly connected with fourth gear of second screw rod, fixedly connected with third gear on the output shaft of first motor, the third gear is connected with fourth gear engagement, one side of stopper is rotated and is connected with the activity post, the one end fixedly connected with splint of stopper are kept away from to the activity post, the middle part of activity post is equipped with pressure sensor.

Preferably, the number of the clamping plates is four, and two adjacent clamping plates are rotatably connected through a hinge.

Preferably, two of the adjusting devices are symmetrically distributed.

Preferably, the sliding blocks are connected with the two sliding rods in a sliding mode through the second through holes, and the two sliding rods are parallel to the first screw rod.

Preferably, both ends of the second screw in the fixed plate are rotatably connected with the fixed plate through second bearings, and both ends of the second screw in the movable plate are rotatably connected with the movable plate through second bearings.

Preferably, the limiting block is connected with the limiting groove in a sliding mode.

Preferably, the number of the limiting grooves is two, the two limiting grooves are longitudinally distributed, a first through hole is formed between the two limiting grooves, and the second screw penetrates through the first through hole.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel positioning fixture is used in cutting of lathe possesses following beneficial effect:

1. this novel positioning fixture is used in cutting of lathe through setting up adjusting device and a plurality of splint, can adjust the contained angle between the adjacent splint according to the work piece shape, makes the work piece fixed more firm, has solved the narrower problem of anchor clamps application scope.

2. This novel positioning fixture for cutting of lathe through setting up first motor, first screw rod, slider and pressure sensor, makes splint press from both sides tight work piece under the drive of first motor, has solved the lower problem of fixed efficiency.

Drawings

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

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the adjusting device of the present invention;

fig. 4 is a schematic side view of the slider of the present invention.

In the figure: 1. a fixing plate; 2. a movable post; 3. a base; 4. a splint; 5. a pressure sensor; 6. a movable plate; 7. a slider; 8. a first screw; 9. a first threaded hole; 10. a first bearing; 11. a groove; 12. a first gear; 13. a second gear; 14. a first motor; 15. a second bearing; 16. a second screw; 17. a limiting block; 18. a first through hole; 19. a third gear; 20. a fourth gear; 21. a second motor; 22. a limiting groove; 23. an adjustment device; 24. a slide bar; 25. a second through hole; 26. and a second threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a positioning clamp for cutting of a novel machine tool comprises a base 3, a fixed plate 1 is fixedly connected to one side of the top end of the base 3, a groove 11 is formed in the top end of the base 3, a slide block 7, a slide rod 24 and a first screw 8 are arranged in the groove 11, second through holes 25 are formed in two sides of the top end of the slide block 7, the slide block 7 is slidably connected with the slide rod 24 through the second through holes 25, two slide rods 24 are provided, the two slide rods 24 are both parallel to the first screw 8, a first threaded hole 9 is formed in the middle of the slide block 7, the first threaded hole 9 is matched with the first screw 8, two ends of the slide rod 24 are both fixedly connected with the base 3, two ends of the first screw 8 are both rotatably connected with the base 3 through a first bearing 10, a first gear 12 is fixedly connected to the outer side of one end of the first screw 8 close to the fixed plate 1, a first motor 14, the output shaft of the first motor 14 is fixedly connected with a second gear 13, the first gear 12 is meshed with the second gear 13, the middle part of the top end of the sliding block 7 is fixedly connected with a movable plate 6, the clamping plate 4 can clamp a workpiece under the driving of the first motor 14 by arranging the first motor 14, the first screw 8, the sliding block 7 and the pressure sensor 5, so that the problem of low fixing efficiency is solved, adjusting devices 23 are arranged inside the top ends of the fixed plate 1 and the movable plate 6, the two adjusting devices 23 are symmetrically distributed, each adjusting device 23 comprises a second screw 16, a limiting block 17, a second motor 21 and limiting grooves 22, the limiting blocks 17 are arranged inside the limiting grooves 22, the limiting grooves 22 are two, the two limiting grooves 22 are longitudinally distributed, a first through hole 18 is formed between the two limiting grooves 22, the second screw 16 penetrates through the first through hole 18, and the limiting blocks 17 are connected with the limiting grooves 22 in a sliding manner, a second threaded hole 26 is formed in the middle of the limiting block 17, two ends of a second screw 16 in the fixed plate 1 are rotatably connected with the fixed plate 1 through a second bearing 15, two ends of the second screw 16 in the movable plate 6 are rotatably connected with the movable plate 6 through the second bearing 15, the second threaded hole 26 is matched with the second screw 16, a fourth gear 20 is fixedly connected with the middle of the second screw 16, a third gear 19 is fixedly connected to an output shaft of the first motor 14, the third gear 19 is meshed with the fourth gear 20, one side of the limiting block 17 is rotatably connected with a movable column 2, one end, far away from the limiting block 17, of the movable column 2 is fixedly connected with four clamping plates 4, the two adjacent clamping plates 4 are rotatably connected through hinges, a pressure sensor 5 is arranged in the middle of the movable column 2, and by arranging an adjusting device 23 and a plurality of clamping plates 4, an included angle between the adjacent clamping plates 4 can be adjusted according to the shape, the workpiece is fixed more stably, and the problem of narrow application range of the clamp is solved.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when a workpiece is clamped, the second motor 21 is started, the second screw 16 rotates through the interaction between the third gear 19 and the fourth gear 20, the limiting block 17 slides in the limiting groove 22 under the action of the second threaded hole 26, the movable column 2 drives the clamping plates 4 to rotate along the hinge between the two clamping plates 4, an included angle is formed between the two clamping plates 4, the included angle is adjusted to be a proper size according to the shape of the workpiece to be clamped, the first motor 14 is started, the first screw 8 rotates through the interaction between the first gear 12 and the second gear 13, the sliding block 7 slides on the sliding rod 24 through the second through hole 25 under the action of the first threaded hole 9, the movable plate 6 moves towards the fixed plate 1, the workpiece is placed between the four clamping plates 4, the workpiece is clamped and fixed by the four clamping plates 4, the pressure sensor 5 detects the pressure applied to the movable column 2, when the pressure is in a proper range, the first motor 14 stops rotating.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel positioning fixture is used in cutting of lathe, includes base (3), its characterized in that: a fixed plate (1) is fixedly connected to one side of the top end of the base (3), a groove (11) is formed in the top end of the base (3), a sliding block (7), a sliding rod (24) and a first screw rod (8) are arranged in the groove (11), second through holes (25) are formed in two sides of the top end of the sliding block (7), a first threaded hole (9) is formed in the middle of the sliding block (7), the first threaded hole (9) is matched with the first screw rod (8), two ends of the sliding rod (24) are fixedly connected with the base (3), two ends of the first screw rod (8) are rotatably connected with the base (3) through a first bearing (10), a first gear (12) is fixedly connected to the outer side of one end, close to the fixed plate (1), of the base (3), a first motor (14) is fixedly connected to the inner portion of one end, close to the fixed plate (1), of the base (3), a second gear (13) is fixedly connected to an output shaft of the first motor (14), the first gear (12) is meshed with the second gear (13), a movable plate (6) is fixedly connected to the middle of the top end of the sliding block (7), adjusting devices (23) are arranged inside the top ends of the fixed plate (1) and the movable plate (6), each adjusting device (23) is composed of a second screw (16), a limiting block (17), a second motor (21) and a limiting groove (22), the limiting block (17) is arranged inside the limiting groove (22), a second threaded hole (26) is formed in the middle of the limiting block (17), the second threaded hole (26) is matched with the second screw (16), a fourth gear (20) is fixedly connected to the middle of the second screw (16), and a third gear (19) is fixedly connected to the output shaft of the first motor (14), third gear (19) are connected with fourth gear (20) meshing, one side of stopper (17) is rotated and is connected with movable post (2), the one end fixedly connected with splint (4) of stopper (17) are kept away from in movable post (2), the middle part of movable post (2) is equipped with pressure sensor (5).

2. The positioning jig for cutting of a novel machine tool according to claim 1, characterized in that: the number of the clamping plates (4) is four, and two adjacent clamping plates (4) are rotatably connected through hinges.

3. The positioning jig for cutting of a novel machine tool according to claim 1, characterized in that: the two adjusting devices (23) are symmetrically distributed.

4. The positioning jig for cutting of a novel machine tool according to claim 1, characterized in that: the sliding blocks (7) are connected with the sliding rods (24) in a sliding mode through second through holes (25), the number of the sliding rods (24) is two, and the two sliding rods (24) are parallel to the first screw (8).

5. The positioning jig for cutting of a novel machine tool according to claim 1, characterized in that: both ends of a second screw rod (16) in the fixed plate (1) are rotatably connected with the fixed plate (1) through a second bearing (15), and both ends of the second screw rod (16) in the movable plate (6) are rotatably connected with the movable plate (6) through the second bearing (15).

6. The positioning jig for cutting of a novel machine tool according to claim 1, characterized in that: the limiting block (17) is connected with the limiting groove (22) in a sliding mode.

7. The positioning jig for cutting of a novel machine tool according to claim 1, characterized in that: the number of the limiting grooves (22) is two, the two limiting grooves (22) are longitudinally distributed, a first through hole (18) is formed between the two limiting grooves (22), and the second screw (16) penetrates through the first through hole (18).