阅读说明：本技术 一种数控机床加工用夹具 (Anchor clamps are used in digit control machine tool processing ) 是由 艾明宏 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种数控机床加工用夹具,包括底座、滑块一和滑块二,所述底座上端设有支撑板,支撑板上设有转杆,且转杆上端贯穿支撑板,转杆与支撑板滑动连接,所述转杆上设有齿轮二,齿轮二上啮合齿轮一,齿轮一下端设有转轴一,转轴一下端设有电机,电机下端与底座固定连接,所述转杆上端设有锥齿轮一,锥齿轮一上左右对称啮合锥齿轮二。本发明使用时,旋转把手带动螺纹杆二进行旋转,螺纹杆二带动两个滑块三相互靠近运动,滑块三带动两个夹板二相互靠近运动,夹板二从而将待加工物品进一步夹紧固定,同时夹板一和夹板二相互配合可以增加夹持面积,增加了夹持的稳定性,同时还可以对不同形状的待加工物品进行夹持,增加了夹具的多样性。(The invention discloses a clamp for machining a numerical control machine tool, which comprises a base, a first slide block and a second slide block, wherein a support plate is arranged at the upper end of the base, a rotating rod is arranged on the support plate, the upper end of the rotating rod penetrates through the support plate, the rotating rod is connected with the support plate in a sliding mode, a second gear is arranged on the rotating rod, a first gear is meshed on the second gear, a first rotating shaft is arranged at the lower end of the first gear, a motor is arranged at the lower end of the rotating shaft, the lower end of the motor is fixedly connected with the base, a first bevel gear is arranged at the upper end of the rotating rod, and a second bevel gear is symmetrically meshed on the first bevel gear. When the clamp is used, the rotating handle drives the second threaded rod to rotate, the second threaded rod drives the two third sliding blocks to move close to each other, the third sliding block drives the two clamping plates to move close to each other, the second clamping plates further clamp and fix objects to be processed, and meanwhile, the clamping areas can be increased due to the mutual matching of the first clamping plates and the second clamping plates, so that the clamping stability is increased, the objects to be processed in different shapes can be clamped, and the diversity of the clamp is increased.)

1. The clamp for machining the numerical control machine tool comprises a base (1), a first sliding block (12) and a second sliding block (15), and is characterized in that a supporting plate (2) is arranged at the upper end of the base (1), a rotating rod (4) is arranged on the supporting plate (2), the supporting plate (2) penetrates through the upper end of the rotating rod (4), the rotating rod (4) is in sliding connection with the supporting plate (2), a second gear (24) is arranged on the rotating rod (4), a first gear (23) is meshed with the second gear (24), a first rotating shaft (6) is arranged at the lower end of the first gear (23), a motor (5) is arranged at the lower end of the first rotating shaft (6), the lower end of the motor (5) is fixedly connected with the base (1), a first bevel gear (7) is arranged at the upper end of the rotating rod (4), and a second bevel gear (8) is symmetrically meshed with the first bevel gear (7) left and right;

one end, away from each other, of each of the two bevel gears II (8) is provided with a first threaded rod (11), the first threaded rod (11) is provided with a second bearing (9), the lower end of each second bearing (9) is provided with a fixed rod (10), the lower end of each fixed rod (10) is fixedly connected with the corresponding support plate (2), the first threaded rod (11) is in threaded connection with a first sliding block (12), the upper end of the first sliding block (12) is movably connected with a first movable rod (25), the upper end of the first movable rod (25) is movably connected with a placing seat (19), one side, away from each other, of each first sliding block (12) is provided with a second sliding block (15), each second sliding block (15) is in threaded connection with the corresponding first threaded rod (11), and the upper end of each second sliding block (15) is provided with a connecting rod (17); two the one end that connecting rod (17) are close to each other is equipped with splint one (21), two the one end that connecting rod (17) kept away from each other is equipped with bearing three (26), and the three (26) other end of bearing is equipped with threaded rod two (27), threaded connection slider three (29) is gone up in threaded rod two (27), and both ends swing joint movable rod two (30) around slider three (29), the movable rod two (30) other end are equipped with splint two (31), swing joint pivot two (32) are gone up in splint two (31), pivot two (32) and splint one (21) fixed connection.

2. The clamp for numerical control machine tool machining according to claim 1 is characterized in that a first bearing (3) is arranged at the lower end of the rotating rod (4), and the lower end of the first bearing (3) is fixedly connected with the base (1).

3. The clamp for numerical control machine tool machining according to claim 1, characterized in that a limiting plate (18) is arranged at one end of each of the two first threaded rods (11) far away from each other, and the shape of the limiting plate (18) is circular.

4. The numerical control machine tool machining clamp as claimed in claim 1, characterized in that a first limiting rod (13) is arranged at the lower end of the first sliding block (12), a first sliding groove (14) is arranged at the upper end of the support plate (2) corresponding to the first limiting rod (13), the lower portion of the first limiting rod (13) is located in the first sliding groove (14), and the first limiting rod (13) is connected with the support plate (2) in a sliding mode.

5. The clamp for machining the numerical control machine according to claim 1, wherein a second limiting rod (16) is arranged at the lower end of the second sliding block (15), the lower portion of the second limiting rod (16) is located in the first sliding groove (14), and the second limiting rod (16) is connected with the supporting plate (2) in a sliding mode.

6. The clamp for numerical control machine tool machining according to claim 1, wherein the upper end of the connecting rod (17) penetrates through the placing seat (19), a second sliding groove (20) is formed in the placing seat (19) corresponding to the connecting rod (17), and the connecting rod (17) is connected with the placing seat (19) in a sliding mode.

7. The clamp for numerical control machine tool machining according to claim 1, characterized in that a protection pad (22) is arranged at one end of the two clamping plates (21) close to each other, and the protection pad (22) is made of rubber.

8. The clamp for numerical control machine tool machining according to claim 1, characterized in that a handle (28) is arranged at one end, away from each other, of the two threaded rods (27), and anti-skid threads are arranged on the handle (28).

9. The clamp for numerical control machine tool machining according to claim 1, characterized in that a third sliding groove (34) is formed in the second clamping plate (31) corresponding to the second movable rod (30), and the second movable rod (30) is connected with the second clamping plate (31) in a sliding manner.

10. The clamp for numerical control machine tool machining according to claim 1, characterized in that grooves (33) are formed in the front end and the rear end of the first clamping plate (21) corresponding to the second rotating shaft (32), the second rotating shaft (32) is located in the grooves (33), and the upper end and the lower end of the second rotating shaft (32) are fixedly connected with the inner wall of the grooves (33) through bearing seats.

Technical Field

The invention relates to the technical field of clamps, in particular to a clamp for machining a numerical control machine tool.

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 device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining 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 in the drawing. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

The existing clamp for machining the numerical control machine tool only clamps and fixes the object to be machined, cannot adjust the height of the clamp, is poor in flexibility, and needs to replace clamp heads when dealing with the object to be machined in different shapes, thereby being time-consuming, labor-consuming and low in machining efficiency. Therefore, the present invention provides a clamp for machining a numerical control machine tool, so as to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a clamp for machining a numerical control machine tool, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a clamp for machining a numerical control machine tool comprises a base, a first sliding block and a second sliding block, wherein a supporting plate is arranged at the upper end of the base, a rotating rod is arranged on the supporting plate, the upper end of the rotating rod penetrates through the supporting plate, the rotating rod is connected with the supporting plate in a sliding mode, a second gear is arranged on the rotating rod and is meshed with the first gear, a first rotating shaft is arranged at the lower end of the first gear, a motor is arranged at the lower end of the rotating shaft, the lower end of the motor is fixedly connected with the base, a first bevel gear is arranged at the upper end of the rotating rod, and the first bevel gear is symmetrically meshed with the second bevel gear left and right;

one end, away from each other, of each of the two bevel gears II is provided with a first threaded rod, a second bearing is arranged on the first threaded rod, a fixed rod is arranged at the lower end of each second bearing, the lower end of each fixed rod is fixedly connected with the corresponding support plate, the first threaded rod is in threaded connection with a first sliding block, the upper end of the first sliding block is movably connected with a first movable rod, the upper end of the first movable rod is movably connected with a placing seat, one side, away from each other, of each of the two first sliding blocks is provided with a second sliding block, the second sliding block is in threaded connection with the first threaded rod, and the upper end of the second sliding block is provided with a connecting rod;

two the one end that the connecting rod is close to each other is equipped with splint one, two the one end that the connecting rod was kept away from each other is equipped with bearing three, and the three other ends of bearing are equipped with threaded rod two, threaded connection slider three is gone up to threaded connection slider two around the slider three, and the two other ends of movable rod are equipped with splint two, swing joint pivot two is gone up to splint two, pivot two and splint one fixed connection.

As a further scheme of the invention, the lower end of the rotating rod is provided with a first bearing, and the lower end of the first bearing is fixedly connected with the base, so that the rotating rod is convenient to fix and support.

According to a further scheme of the invention, a limiting plate is arranged at one end, away from each other, of each of the two first threaded rods, the limiting plate is circular, and the limiting plate can limit the first sliding block and the second sliding block, so that the first sliding block and the second sliding block are prevented from falling off from the first threaded rods.

As a further scheme of the invention, a first limiting rod is arranged at the lower end of the sliding block, a first sliding groove is arranged at the upper end of the supporting plate corresponding to the first limiting rod, a lower part of the first limiting rod is positioned in the first sliding groove, and the first limiting rod is connected with the supporting plate in a sliding manner, so that the first sliding block is prevented from rotating along with the rotation of the first threaded rod, and the first sliding block is enabled to run more stably.

As a further scheme of the invention, the lower end of the second sliding block is provided with a second limiting rod, the lower part of the second limiting rod is positioned in the first sliding groove, and the second limiting rod is connected with the supporting plate in a sliding manner, so that the second sliding block is prevented from rotating along with the rotation of the first threaded rod, and the second sliding block can run more stably.

As a further scheme of the invention, the upper end of the connecting rod penetrates through the placing seat, a second sliding groove is formed in the placing seat corresponding to the connecting rod, and the connecting rod is in sliding connection with the placing seat, so that the connecting rod can clamp and fix the object to be processed on the placing seat conveniently.

As a further scheme of the invention, one end of each of the two clamping plates, which is close to each other, is provided with a protective pad, the protective pad is made of rubber, and the protective pad can protect an object to be processed when the object to be processed is clamped.

As a further scheme of the invention, one end of each of the two second threaded rods, which is far away from each other, is provided with a handle, and the handles are provided with anti-skid grains, so that the second threaded rods can be conveniently driven to rotate.

As a further scheme of the invention, a third sliding groove is formed in the clamping plate II corresponding to the second movable rod, and the second movable rod is in sliding connection with the clamping plate II, so that the second movable rod drives the clamping plate to clamp two pairs of objects to be processed conveniently.

As a further scheme of the invention, the front end and the rear end of the first clamping plate are provided with grooves corresponding to the second rotating shaft, the second rotating shaft is positioned in the grooves, and the upper end and the lower end of the second rotating shaft are fixedly connected with the inner walls of the grooves through bearing seats, so that the second clamping plate is convenient to fix.

Compared with the prior art, the invention has the beneficial effects that:

1. when the automatic clamp is used, an object to be processed is placed on the placing seat, the starting motor drives the first rotating shaft and the first gear to rotate, the gear drives the second gear, the rotating rod and the first bevel gear to rotate, the bevel gear drives the second bevel gear and the first threaded rod to rotate, the first threaded rod rotates to drive the first sliding blocks to move close to each other, the first sliding blocks move close to each other to drive the lower portions of the first sliding blocks to move close to each other, the first sliding blocks drive the placing seat to move upwards, meanwhile, the first threaded rod rotates to drive the second sliding blocks to move close to each other, the second sliding blocks drive the connecting rod and the first clamping plate to move close to each other, and the first clamping plate clamps and fixes the object to be processed, so that the object to be processed can be adjusted in height while being clamped and fixed, and the automatic clamp is high in flexibility.

2. When the screw rod type sliding block device is used, the first sliding block and the second sliding block can be limited through the limiting plates, and the first sliding block and the second sliding block can be prevented from rotating along with the rotation of the first threaded rod through the limiting rods, so that the first sliding block and the second sliding block can run more stably.

3. When the clamp is used, the rotating handle drives the second threaded rod to rotate, the second threaded rod drives the two third sliding blocks to move close to each other, the third sliding block drives the two clamping plates to move close to each other, the second clamping plates further clamp and fix objects to be processed, and meanwhile, the clamping areas can be increased due to the mutual matching of the first clamping plates and the second clamping plates, so that the clamping stability is increased, the objects to be processed in different shapes can be clamped, and the diversity of the clamp is increased.

Drawings

Fig. 1 is a schematic structural diagram of a clamp for machining a numerical control machine tool.

Fig. 2 is a schematic side view of a machining jig of a numerical control machine.

Fig. 3 is a schematic structural diagram of a first gear in the clamp for machining the numerical control machine tool.

Fig. 4 is a schematic front view of a clamp for machining a numerical control machine tool.

Fig. 5 is an enlarged schematic structural view of a part a in fig. 2 of the jig for machining a numerical control machine tool.

Fig. 6 is an enlarged schematic structural view of a numerical control machine tool machining jig at B in fig. 1.

In the figure: 1. a base; 2. a support plate; 3. a first bearing; 4. a rotating rod; 5. a motor; 6. a first rotating shaft; 7. a first bevel gear; 8. a second bevel gear; 9. a second bearing; 10. fixing the rod; 11. a first threaded rod; 12. a first sliding block; 13. a first limiting rod; 14. a first sliding chute; 15. a second sliding block; 16. a second limiting rod; 17. a connecting rod; 18. a limiting plate; 19. a placing seat; 20. a second chute; 21. a first clamping plate; 22. a protective pad; 23. a first gear; 24. a second gear; 25. a first movable rod; 26. a third bearing; 27. a second threaded rod; 28. a handle; 29. a third sliding block; 30. a second movable rod; 31. a second clamping plate; 32. a second rotating shaft; 33. a groove; 34. and a third sliding chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 6, in an embodiment of the present invention, a clamp for machining a numerical control machine tool includes a base 1, a first slide block 12 and a second slide block 15, a support plate 2 is disposed at an upper end of the base 1, a rotating rod 4 is disposed on the support plate 2, an upper end of the rotating rod 4 penetrates through the support plate 2, the rotating rod 4 is slidably connected to the support plate 2, a first bearing 3 is disposed at a lower end of the rotating rod 4, a lower end of the first bearing 3 is fixedly connected to the base 1, a second gear 24 is disposed on the rotating rod 4, the second gear 24 is engaged with a first gear 23, a first rotating shaft 6 is disposed at a lower end of the first gear 23, a motor 5 is disposed at a lower end of the first rotating shaft 6, and a lower end of the motor 5 is fixedly connected to the base 1;

the upper end of the rotating rod 4 is provided with a first bevel gear 7, a second bevel gear 8 is symmetrically meshed with the first bevel gear 7 in a left-right mode, one ends, away from each other, of the two second bevel gears 8 are provided with first threaded rods 11, the first threaded rods 11 are provided with second bearings 9, the lower ends of the second bearings 9 are provided with fixing rods 10, the lower ends of the fixing rods 10 are fixedly connected with the supporting plate 2, one ends, away from each other, of the two first threaded rods 11 are provided with limiting plates 18, and the limiting plates 18 are circular;

the first threaded rod 11 is in threaded connection with a first sliding block 12, the upper end of the first sliding block 12 is movably connected with a first movable rod 25, the upper end of the first movable rod 25 is movably connected with a placing seat 19, the lower end of the first sliding block 12 is provided with a first limiting rod 13, the upper end of the supporting plate 2 is provided with a first sliding groove 14 corresponding to the first limiting rod 13, the lower part of the first limiting rod 13 is positioned in the first sliding groove 14, and the first limiting rod 13 is in sliding connection with the supporting plate 2;

a second sliding block 15 is arranged on one side, away from each other, of each first sliding block 12, the second sliding block 15 is in threaded connection with the first threaded rod 11, a connecting rod 17 is arranged at the upper end of the second sliding block 15, a second limiting rod 16 is arranged at the lower end of the second sliding block 15, the lower portion of the second limiting rod 16 is located in the first sliding groove 14, and the second limiting rod 16 is in sliding connection with the supporting plate 2;

the connecting rod 17 upper end is run through and is placed seat 19, places and is equipped with two 20 of spout corresponding to connecting rod 17 on the seat 19, connecting rod 17 with place 19 sliding connection of seat, two the one end that connecting rod 17 is close to each other is equipped with splint one 21, two the one end that splint one 21 is close to each other is equipped with the protection and fills up 22, and the protection is filled up 22 and is the rubber material.

Example 2

In the embodiment of the invention, a third bearing 26 is arranged at one end, away from each other, of each of the two connecting rods 17, a second threaded rod 27 is arranged at the other end of each of the bearings 26, a handle 28 is arranged at one end, away from each other, of each of the two second threaded rods 27, anti-skid threads are arranged on each handle 28, a third sliding block 29 is connected to each second threaded rod 27 in a threaded manner, the front end and the rear end of each third sliding block 29 are movably connected with a second movable rod 30, and a second clamping plate 31 is arranged at the other end of each second movable rod 30;

two 31 go up corresponding movable rod two 30 on the splint are equipped with three 34 of spout, two 30 and two 31 sliding connection of splint of movable rod, two 32 of swing joint pivot on the splint two 31, two 32 of pivot and a 21 fixed connection of splint, two 32 corresponding pivots around the splint 21 are equipped with recess 33, and two 32 of pivot are located recess 33, and both ends pass through bearing frame fixed connection with recess 33 inner wall about two 32 pivots.

The working principle of the invention is as follows:

when the invention is used, an article to be processed is placed on the placing seat 19, the starting motor 5 drives the rotating shaft I6 and the gear I23 to rotate, the gear I23 drives the gear II 24, the rotating rod 4 and the bevel gear I7 to rotate, the bevel gear I7 drives the bevel gear II 8 and the threaded rod I11 to rotate, the threaded rod I11 rotates and drives the two slide blocks I12 to move close to each other, the two slide blocks I12 move close to each other and drive the lower parts of the movable rods I25 to move close to each other, so that the movable rods I25 drive the placing seat 19 to move upwards, meanwhile, the threaded rod I11 rotates and drives the two slide blocks II 15 to move close to each other, the slide blocks II 15 drive the connecting rods 17 and the clamp plates I21 to move close to each other, the clamp plates I21 clamp and fix the article to be processed, the height of the article to be processed can be adjusted while the article to be processed is clamped and fixed, the flexibility is stronger, the position of the slide blocks I12 and the slide blocks II 15 can be limited by the arranged limiting plate 18, can avoid slider 12 and slider 15 along with the rotation of threaded rod 11 rotation through the gag lever post 13 and the gag lever post two 16 that set up, rotatory handle 28 drives threaded rod two 27 again and rotates, threaded rod two 27 drives two sliders three 29 and moves near each other, slider three 29 drives two splint 31 and moves near each other, thereby splint two 31 will treat that the processing article further presss from both sides tightly fixedly, splint one 21 and two splint 31 mutually support simultaneously and can increase the clamping area, the stability of centre gripping has been increased, can also carry out the centre gripping to treating the processing article of different shapes simultaneously, the variety of anchor clamps has been increased.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.