CN211805646U

CN211805646U - Fixing device for machining

Info

Publication number: CN211805646U
Application number: CN201921967498.3U
Authority: CN
Inventors: 黄芬平; 林春荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-10-30
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a fixing device for machining, which comprises a first moving seat and a second moving seat, wherein the first moving seat is connected with a first screw rod in a rotating way near one end of a bottom plate, the middle position at the rear end of the first moving seat is connected with a first screw rod in a rotating way, the rear end of the first screw rod is fixedly connected with a first rotary disc, the rear end of the first rotary disc is connected with a second rotary disc in a rotating way, the rear end of the second rotary disc is connected with a second screw rod in a rotating way, the rear end of the second screw rod is connected with a second moving seat in a rotating way near one end of the bottom plate, the annular outer sides of the first screw rod and the second screw rod are both connected with a nut seat through a ball nut pair, the upper end of the nut seat is fixedly connected with a clamping component, the design can adjust the left and right positions as well as the front and back positions of the clamping component, can, the application range is increased.

Description

Fixing device for machining

Technical Field

The utility model relates to a machining technical field specifically is a fixing device for machining.

Background

Machining refers to the process of changing the overall dimension or performance of a workpiece through a mechanical device, and can be divided into cutting machining and pressure machining according to the difference in machining modes, and parts are often fixed in machining. Accordingly, a fixture for machining is provided by those skilled in the art to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a fixing device for machining to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fixing device for machining comprises a bottom plate, adjusting assemblies are arranged at the left end and the right end of the bottom plate, two clamping assemblies are symmetrically arranged at the upper ends of the adjusting assemblies, each adjusting assembly comprises a first moving seat and a second moving seat, the first moving seat is close to one end of the bottom plate and is rotatably connected with a first screw, the first screw is in threaded connection with the front side end of the bottom plate and extends into the bottom plate, the middle position of the rear end of the first moving seat is rotatably connected with a first screw, the rear end of the first screw is fixedly connected with a first rotary disc, the rear end of the first rotary disc is rotatably connected with a second rotary disc, the rear end of the second rotary disc is fixedly connected with a second screw, the rear end of the second screw is rotatably connected with the second moving seat, the end of the second moving seat is close to the bottom plate and is rotatably connected with a second screw, the second screw is in threaded connection, the annular outer sides of the first screw rod and the second screw rod are connected with a nut seat through a ball nut pair, and the upper end of the nut seat is fixedly connected with a clamping assembly.

As a further aspect of the present invention: threaded holes are formed in the front portion and the rear portion of the base plate, the threaded holes in the front portion are in threaded connection with the first screw, and the threaded holes in the rear portion are in threaded connection with the second screw.

As a further aspect of the present invention: the first movable seat is close to one end of the bottom plate, is symmetrically and fixedly connected with two first guide rods, the two first guide rods are located on the front side and the rear side of the first screw rod, the two first guide rods are arranged on the front side end of the bottom plate and extend into the bottom plate, the second movable seat is close to one end of the bottom plate, is symmetrically and fixedly connected with two second guide rods, the two second guide rods are located on the front side and the rear side of the second screw rod, and the two second guide rods are arranged on the rear side end of the bottom plate and extend into the bottom.

As a further aspect of the present invention: the middle parts of the left end and the right end of the bottom plate are provided with sliding grooves, and one end of the nut seat, which is close to the bottom plate, is fixedly connected with a sliding block and the sliding block is connected in the sliding grooves in a sliding mode.

As a further aspect of the present invention: and a connecting shaft is rotatably arranged between the first turntable and the second turntable.

As a further aspect of the present invention: the first screw rod is deviated from bottom plate one end and runs through first removal seat and fixed connection first handle, the second screw rod is deviated from bottom plate one end and runs through the second and removes the seat and fixed connection second handle.

As a further aspect of the present invention: the clamping assembly comprises a clamping block, the clamping block deviates from one end of the bottom plate and is connected with a third screw rod in a rotating mode, the outer side of the third screw rod is in threaded connection with the fixing seat in an annular mode, the lower end of the fixing seat is fixedly connected with a moving rod, and the lower end of the moving rod is provided with a barrel and extends into the barrel. The cylinder is fixedly connected with the upper end of the nut seat.

As a further aspect of the present invention: a plurality of regulation holes are seted up to the equidistance on the carriage release lever, the barrel front end sets up inserted bar and runs through the regulation hole on barrel and the carriage release lever, inserted bar front end fixed connection nut, fixed connection spring and spring are in the inserted bar annular outside between nut and the barrel.

As a further aspect of the present invention: and one end of the clamping block, which is far away from the bottom plate, is symmetrically and fixedly connected with two third guide rods, the two third guide rods are positioned on the front side and the rear side of the third screw rod, and the third guide rods penetrate through the fixed seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. utilize first screw rod and second screw rod adjustment first removal seat and second to remove the distance between seat and the bottom plate, position about the tight subassembly of adjustment then for fix different width work pieces, the position of two nut seats of adjustment through first lead screw and second lead screw in addition, position around the tight subassembly of adjustment then can be fixed the work piece of different length, can fix the work piece of different specifications, moreover, the steam generator is simple in structure, and is with low costs, increases application range.

2. And the third screw rod is utilized to enable the clamping block to move inwards, so that the side surface of the workpiece is fastened, and the processing of the upper end surface of the workpiece is not influenced.

3. Make inserted bar and carriage release lever separation earlier, make the carriage release lever reciprocate along the barrel again to the suitable height of adjustment clamp splice, suitable regulation hole on messenger's inserted bar runs through the carriage release lever again under the effect of rethread spring realizes carrying out the centre gripping to the work piece of different thickness, further increases application range.

Drawings

Fig. 1 is a schematic structural view of a machining fixture.

Fig. 2 is a schematic structural view of a base plate in a fixing device for machining.

Fig. 3 is a schematic view of an adjusting assembly in a machining fixture.

Fig. 4 is an exploded view of an adjustment assembly in a machining fixture.

Fig. 5 is a schematic view of a clamping assembly in a machining fixture.

In the figure: 1. the base plate, 2, the adjusting component, 3, the clamping component, 11, the screw hole, 12, the spout, 21, the first screw, 22, the first movable seat, 23, the first lead screw, 24, the nut seat, 25, the first carousel, 26, the second carousel, 27, the second lead screw, 28, the second movable seat, 29, the second screw, 31, the clamp splice, 32, the third screw, 33, the fixing base, 34, the barrel, 35, the movable rod, 36, the adjusting hole, 37, the inserted link, 38, the spring, 241, the slider, 251, the connecting axle.

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. 1-5, in an embodiment of the present invention, a fixing device for machining includes a bottom plate 1, a regulating assembly 2 is disposed at both ends of the bottom plate 1, and two clamping assemblies 3 are symmetrically disposed at the upper ends of the regulating assembly 2.

The adjusting assembly 2 comprises a first moving seat 22 and a second moving seat 28, one end of the first moving seat 22 close to the bottom plate 1 is rotatably connected with a first screw 21, the first screw 21 is in threaded connection with the front side end of the bottom plate 1 and extends into the bottom plate 1, the middle position of the rear end of the first moving seat 22 is rotatably connected with a first screw 23, the rear end of the first screw 23 is fixedly connected with a first rotary disc 25, the rear end of the first rotary disc 25 is rotatably connected with a second rotary disc 26, the rear end of the second rotary disc 26 is fixedly connected with a second screw 27, the rear end of the second screw 27 is rotatably connected with a second moving seat 28, one end of the second moving seat 28 close to the bottom plate 1 is rotatably connected with a second screw 29, the second screw 29 is in threaded connection with the rear side end of the bottom plate 1 and extends into the bottom plate 1, the annular outer sides of the first screw 23 and the second screw 27 are both connected with a nut seat.

Specifically, before using, utilize first screw 21 and second screw 29 to adjust the first and second and move the distance between

seat

22 and 28 and bottom plate 1, then adjust clamping component 3 left and right sides position, be used for fixing different width work pieces, in addition through the position of two nut seats 24 of first lead screw 23 and second lead screw 27 adjustment, then adjust clamping component 3 front and back position, can fix different length work pieces, can fix the work piece of different specifications, simple structure, and low cost increases application range.

Threaded holes 11 are formed in the front portion and the rear portion of the bottom plate 1, the threaded holes 11 in the front portion are in threaded connection with first screws 21, the threaded holes 11 in the rear portion are in threaded connection with second screws 29, specifically, the first screws 21 are rotated, the first screws 21 move left and right along the threaded holes 11 under the action of the threaded holes 11, the second screws 29 are rotated in addition, and the second screws 29 move left and right along the threaded holes 11 under the action of the threaded holes 11.

First removal seat 22 is close to bottom plate 1 one end symmetry fixed connection two first guide arms and two first guide arms are in first screw rod 21 front and back both sides, two first guide arms set up at bottom plate 1 front portion side and extend into bottom plate 1 inside, second removal seat 28 is close to bottom plate 1 one end symmetry fixed connection two second guide arms and two second guide arms are in second screw rod 29 front and back both sides, two second guide arms set up at bottom plate 1 rear portion side and extend into bottom plate 1 inside, specifically, in first removal seat 22 removal in-process, first guide arm can realize the direction function to first removal seat 22, in second removal seat 28 removal in-process, the second guide arm can realize the direction function to second removal seat 28.

The sliding grooves 12 are formed in the middle portions of the left end and the right end of the bottom plate 1, the nut seat 24 is close to one end of the bottom plate 1 and is fixedly connected with the sliding block 241, the sliding block 241 is connected in the sliding grooves 12 in a sliding mode, specifically, in the moving process of the nut seat 24, the sliding block 241 can move along the sliding grooves 12, and the nut seat 24 is guided to move.

The connecting shaft 251 is rotatably installed between the first rotary disk 25 and the second rotary disk 26, specifically, the center lines of the first lead screw 23 and the second lead screw 27 are overlapped, and in addition, the first rotary disk 25 or the second rotary disk 26 can be independently rotated.

First screw rod 21 deviates from bottom plate 1 one end and runs through first removal seat 22 and fixed connection first handle, and second screw rod 29 deviates from bottom plate 1 one end and runs through second removal seat 28 and fixed connection second handle, specifically, can utilize first handle to drive first screw rod 21 and rotate, also can utilize the second handle to drive second screw rod 29 and rotate, the operation of being convenient for.

Clamping component 3 includes clamp splice 31, and clamp splice 31 deviates from 1 one end of bottom plate and rotates and connect third screw rod 32, and the annular outside threaded connection fixing base 33 of third screw rod 32, fixing base 33 lower extreme fixed connection carriage release lever 35, inside carriage release lever 35 lower extreme set up barrel 34 and extend into barrel 34. The cylinder 34 is fixedly connected with the upper end of the nut seat 24, specifically, the third screw 32 is rotated, and the third screw 32 is in threaded connection with the fixed seat 33, so that the third screw 32 rotates and simultaneously moves the clamping block 31 inwards, the side surface of the workpiece is fastened, and the processing of the upper end surface of the workpiece is not influenced.

A plurality of adjusting holes 36 are equidistantly formed in the moving rod 35, an inserting rod 37 is arranged at the front end of the cylinder 34, the inserting rod 37 penetrates through the cylinder 34 and the adjusting holes 36 in the moving rod 35, a nut is fixedly connected to the front end of the inserting rod 37, a spring 38 is fixedly connected between the nut and the cylinder 34, and the spring 38 is located on the annular outer side of the inserting rod 37, specifically, the nut is pulled outwards, so that the spring 38 is stretched, the spring 38 generates elasticity, in addition, the inserting rod 37 can move outwards due to the outward movement of the nut, so that the inserting rod 37 is separated from the moving rod 35, then the moving rod 35 moves upwards and downwards along the cylinder 34, so that the proper height of the clamping block 31 is adjusted, the nut is loosened, the inserting rod 37 penetrates through the proper adjusting holes 36 in the moving rod 35 again under the action of the spring 38, clamping of workpieces with different thicknesses is achieved, and the.

The end of the clamping block 31, which is away from the bottom plate 1, is symmetrically and fixedly connected with two third guide rods, the two third guide rods are located on the front side and the rear side of the third screw 32, the third guide rods penetrate through the fixing seat 33, and specifically, in the moving process of the clamping block 31, the third guide rods can realize a guiding function.

The utility model discloses a theory of operation is: before use, firstly, according to the size of a workpiece, synchronously rotating the first screw 21 and the second screw 29, enabling the first screw 21 and the second screw 29 to move outwards under the action of the threaded hole 11, further driving the first moving seat 22 and the second moving seat 28 to move outwards to proper positions, realizing that the left and right positions of the clamping assembly 3 are adjusted by the first screw 21 and the second screw 29 for fixing workpieces with different widths, then rotating the first screw 23 through the first turntable 25, enabling the nut seat 24 on the first screw 23 to move back and forth to proper positions due to the rotation of the first screw 23 and the nut seat 24 through the ball nut pair connection, then rotating the second screw 27 through the second turntable 26, enabling the nut seat 24 on the second screw 27 to move back and forth to proper positions due to the rotation of the second screw 27 and the nut seat 24 through the ball nut pair connection, the front and back positions of two clamping components 3 on the side of the bottom plate 1 are adjusted to fix workpieces with different lengths, then the nuts are pulled outwards to stretch the springs 38, the springs 38 generate elasticity, in addition, the outward movement of the nuts can cause the insertion rods 37 to move outwards, thereby causing the insertion rods 37 to be separated from the moving rods 35, then the moving rods 35 move up and down along the cylinder 34, thereby adjusting the proper height of the clamping blocks 31, then the nuts are loosened, the insertion rods 37 penetrate through proper adjusting holes 36 on the moving rods 35 again under the action of the springs 38, clamping of workpieces with different thicknesses is realized, the workpieces with different specifications are fixed, the structure is simple, the cost is low, the application range is enlarged, then the workpieces are placed at the upper end of the bottom plate 1, the third screw 32 is rotated, and due to the threaded connection between the third screw 32 and the fixed seat 33, the third screw 32 rotates to cause the clamping blocks 31 to move inwards, the side face of the workpiece is fastened, and the processing of the upper end face of the workpiece is not affected.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fixing device for machining comprises a bottom plate (1) and is characterized in that adjusting assemblies (2) are arranged at the left end and the right end of the bottom plate (1), and two clamping assemblies (3) are symmetrically arranged at the upper ends of the adjusting assemblies (2);

the adjusting assembly (2) comprises a first moving seat (22) and a second moving seat (28), the first moving seat (22) is close to one end of the bottom plate (1) to be rotatably connected with a first screw rod (21), the first screw rod (21) is in threaded connection with the front side end of the bottom plate (1) and extends into the bottom plate (1), the middle position of the rear end of the first moving seat (22) is rotatably connected with a first screw rod (23), the rear end of the first screw rod (23) is fixedly connected with a first turntable (25), the rear end of the first turntable (25) is rotatably connected with a second turntable, the rear end of the second turntable is fixedly connected with a second screw rod (27), the rear end of the second screw rod (27) is rotatably connected with the second moving seat (28), the second moving seat (28) is close to one end of the bottom plate (1) to be rotatably connected with a second screw rod (29), the second screw rod (29) is in threaded connection with the rear side end of the bottom plate (1) and extends into, the annular outer sides of the first screw rod (23) and the second screw rod (27) are connected with a nut seat (24) through a ball nut pair, and the upper end of the nut seat (24) is fixedly connected with a clamping assembly (3).

2. The fixing device for machining according to claim 1, wherein the base plate (1) is provided with threaded holes (11) at front and rear portions, the threaded holes (11) at the front portion are in threaded connection with the first screw (21), and the threaded holes (11) at the rear portion are in threaded connection with the second screw (29).

3. A fixing device for machining according to claim 1, characterized in that the first movable seat (22) is fixed at one end near the bottom plate (1) and symmetrically connected with two first guide rods at the front and rear sides of the first screw (21), the two first guide rods are arranged at the front side end of the bottom plate (1) and extend into the bottom plate (1), the second movable seat (28) is fixed at one end near the bottom plate (1) and symmetrically connected with two second guide rods at the front and rear sides of the second screw (29), and the two second guide rods are arranged at the rear side end of the bottom plate (1) and extend into the bottom plate (1).

4. A fixing device for machining according to claim 1, characterized in that the middle part of the left and right ends of the base plate (1) is provided with a sliding groove (12), one end of the nut seat (24) close to the base plate (1) is fixedly connected with a sliding block (241), and the sliding block (241) is slidably connected in the sliding groove (12).

5. A machining fixture according to claim 1, characterized in that a connecting shaft (251) is rotatably mounted between the first (25) and second (251) turning discs.

6. A fixing device for machining according to claim 1, characterized in that the end of the first screw (21) facing away from the base plate (1) extends through the first movable seat (22) and is fixedly connected to the first handle, and the end of the second screw (29) facing away from the base plate (1) extends through the second movable seat (28) and is fixedly connected to the second handle.

7. A fixing device for machining according to claim 1, characterized in that the clamping assembly (3) includes a clamping block (31), one end of the clamping block (31) opposite to the bottom plate (1) is rotatably connected with a third screw (32), the annular outer side of the third screw (32) is connected with a fixed seat (33) in a threaded manner, the lower end of the fixed seat (33) is fixedly connected with a movable rod (35), the lower end of the movable rod (35) is provided with a cylinder (34) and extends into the cylinder (34), and the cylinder (34) is fixedly connected with the upper end of the nut seat (24).

8. A fixing device for machining according to claim 7, characterized in that the moving rod (35) is provided with a plurality of adjusting holes (36) at equal intervals, the front end of the cylinder (34) is provided with an inserting rod (37), the inserting rod (37) penetrates through the cylinder (34) and the adjusting holes (36) on the moving rod (35), the front end of the inserting rod (37) is fixedly connected with a nut, a spring (38) is fixedly connected between the nut and the cylinder (34), and the spring (38) is located on the annular outer side of the inserting rod (37).

9. A fixing device for machining according to claim 7, characterized in that one end of the clamping block (31) away from the bottom plate (1) is symmetrically and fixedly connected with two third guide rods, the two third guide rods are located on the front side and the rear side of a third screw rod (32), and the third guide rods penetrate through the fixing base (33).