CN212705469U

CN212705469U - Positioning plate for precision machining

Info

Publication number: CN212705469U
Application number: CN202021288260.0U
Authority: CN
Inventors: 常臻; 宋清华
Original assignee: Houma Economic Development Zone Hengxin Precision Machinery Manufacturing Plant
Current assignee: Houma Economic Development Zone Hengxin Precision Machinery Manufacturing Plant
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-16
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a locating plate for precision machining, comprising a base plate, install two movable plates through slide mechanism on the bottom plate, all rotate on two movable plates and install the compression kelly, set up a plurality of and compression kelly matched with draw-in grooves on the bottom plate, all there is the pole setting through fixed box fixed mounting on two movable plates, all install extrusion mechanism through the roof in every pole setting, equal fixed mounting has compression layer board, micro motor on two fixed boxes, fixed mounting has gear two on micro motor's the drive end, gear one is installed to two fixed box internal rotations, and gear one meshes with corresponding gear two, gear one and gear two go up equal fixed mounting have the supporting rod. Has the advantages that: both can carry out firm stable centre gripping fixedly to the square work piece of different length and different thickness, can carry out the centre gripping to the cylindrical or curved work piece of multiple size again, and the practicality is stronger.

Description

Positioning plate for precision machining

Technical Field

The utility model relates to a machining's technical field especially relates to a locating plate for precision machining.

Background

The machining is a process of machining the overall dimension of a workpiece by using mechanical equipment, and can be divided into rough machining and precise machining according to the machining fineness, and during the precise machining, a positioning plate is usually used for fixing the workpiece so as to prevent the workpiece from moving during the machining and influencing the machining precision;

the fixed dimension of current locating plate is comparatively fixed, can only fix the work piece of single size usually, and current device majority can only fix square workpiece, and can't fix circular shape work piece, has certain limitation, therefore needs design locating plate for precision machining to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fixed size is single and the round piece can not be fixed in the prior art, and providing a positioning plate for precision machining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a locating plate for precision machining, includes the bottom plate, install two movable plates through slide mechanism on the bottom plate, all rotate on two movable plates and install the compression kelly, set up a plurality of draw-in grooves with compression kelly matched with on the bottom plate, all there is the pole setting through fixed box fixed mounting on two movable plates, all install extrusion mechanism through the roof in every pole setting, equal fixed mounting has compression layer board, micro motor on two fixed boxes, fixed mounting has gear two on micro motor's the drive end, gear one is installed to two fixed box internal rotations, and gear one meshes with corresponding gear two phase, gear one and gear two go up equal fixed mounting have the supporting rod.

In the above-mentioned locating plate for precision machining, slide mechanism includes the trapezoidal slider of fixed mounting on two movable plates, trapezoidal spout has been seted up on the bottom plate, and two trapezoidal sliders all block are in trapezoidal spout.

In foretell locating plate for precision machining, extrusion mechanism includes the fixed block of fixed mounting on the roof, rotate on the fixed block and install the wind-up roll, there is the clamp plate bottom of roof through compression spring fixed mounting, two haulage ropes of fixedly connected with between clamp plate and the wind-up roll.

In the positioning plate for precision machining, the pressure plate, the compression supporting plate and the clamping rods are all fixedly provided with sponge pads.

In the above-mentioned locating plate for precision machining, the two wind-up rolls are both fixedly provided with a rotating handle.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through setting up the movable plate, the movable plate can move on the bottom plate, can fix the length or the diameter adjustment interval between two movable plates of work piece as required, can fix the work piece of different length, and application scope is wider.

2: through setting up compression spring and clamp plate, the clamp plate can be firmly stable with the work piece centre gripping fixed with compression spring cooperation, and can be according to the thickness adjustment clamp plate of work piece and the interval between the compression layer board, and the flexibility is higher.

3: through setting up micro motor and supporting rod, micro motor rotates and can drive two supporting rods and be close to each other, can carry out the centre gripping to the cylindrical or curved work piece of multiple size, and the comparatively firm of centre gripping.

To sum up, the utility model discloses both can carry out firm stable centre gripping fixed to the square workpiece of different length and different thickness, can carry out the centre gripping to the cylindrical or curved work piece of multiple size again, the practicality is stronger.

Drawings

Fig. 1 is a schematic structural view of a positioning plate for precision machining according to the present invention;

FIG. 2 is an enlarged view of a node at the point A in FIG. 1;

FIG. 3 is a top view of the clamping bar of FIG. 1 and its upper portion;

fig. 4 is a side view of the compression latch and its upper structure.

In the figure: the device comprises a bottom plate 1, a moving plate 2, a clamping groove 3, a compression clamping rod 4, a fixed box 5, an upright rod 6, a top plate 7, a pressing plate 8, a compression supporting plate 9, a clamping rod 10, a traction rope 11, a winding roller 12, a rotating handle 13, a compression spring 14, a micro motor 15, a first gear 16, a second gear 17 and a sponge cushion 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a positioning plate for precision machining comprises a bottom plate 1, wherein two movable plates 2 are mounted on the bottom plate 1 through a sliding mechanism, compression clamping rods 4 are rotatably mounted on the two movable plates 2, a plurality of clamping grooves 3 matched with the compression clamping rods 4 are formed in the bottom plate 1, vertical rods 6 are fixedly mounted on the two movable plates 2 through fixed boxes 5, an extrusion mechanism is mounted on each vertical rod 6 through a top plate 7, and a compression supporting plate 9 and a micro motor 15 are fixedly mounted on the two fixed boxes 5;

the following points are notable:

1. the sliding mechanism comprises trapezoidal sliding blocks fixedly mounted on the two moving plates 2, trapezoidal sliding grooves are formed in the bottom plate 1, and the two trapezoidal sliding blocks are clamped in the trapezoidal sliding grooves and used for enabling the moving plates 2 to slide on the bottom plate 1 without shifting.

2. The compression kelly 4 comprises compression pole and kelly, and the compression pole rotates and installs on movable plate 2, and kelly fixed mounting is on the compression pole, and the compression pole is compressible formula bolt, and this is current commonly used technique, does not do too much here and describes, can make the kelly smoothly insert in draw-in groove 3.

3. The extrusion mechanism comprises a fixed block fixedly mounted on the top plate 7, a winding roller 12 is rotatably mounted on the fixed block, a pressing plate 8 is fixedly mounted at the bottom of the top plate 7 through a compression spring 14, and two traction ropes 11 are fixedly connected between the pressing plate 8 and the winding roller 12 and used for moving the position of the stretching pressing plate 8 so as to clamp and fix workpieces with different thicknesses.

4. The micro-motor 15 is preferably a ZYT46S-10 micro-motor.

A second gear 17 is fixedly installed on the driving end of the micro motor 15, a first gear 16 is rotatably installed in the two fixing boxes 5, the first gear 16 is meshed with the corresponding second gear 17, and the first gear 16 and the second gear 17 are both fixedly provided with clamping rods 10;

the following points are notable:

1. the rotation of the micro motor 15 can drive the two clamping rods 10 to approach each other, so that cylindrical or arc-shaped workpieces with various sizes can be clamped, and the clamping is firm.

2. Sponge pads 18 are fixedly mounted on the pressing plate 8, the compression supporting plate 9 and the clamping rods 10 and used for protecting workpieces and preventing the workpieces from being damaged due to over-tight clamping.

3. The two winding rollers 12 are fixedly provided with rotating handles 13 for rotating the winding rollers 12, so that the winding device is more labor-saving and convenient.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the utility model, an operator can fix the length of the clamping workpiece as required to adjust the distance between the two moving plates 2, adjust the distance between the pressing plate 8 and the compression supporting plate 9 according to the thickness of the workpiece, and then place the workpiece on the compression supporting plate 9, so that the square workpiece can be clamped and fixed; when a cylindrical workpiece needs to be clamped and fixed, the micro motor 15 can be started to rotate to drive the two clamping rods 10 to approach each other, and then the clamping rods can be clamped and fixed.

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. The positioning plate for precision machining comprises a bottom plate (1) and is characterized in that two movable plates (2) are mounted on the bottom plate (1) through a sliding mechanism, compression clamping rods (4) are mounted on the two movable plates (2) in a rotating mode, a plurality of clamping grooves (3) matched with the compression clamping rods (4) are formed in the bottom plate (1), vertical rods (6) are fixedly mounted on the two movable plates (2) through fixed boxes (5), an extrusion mechanism is mounted on each vertical rod (6) through a top plate (7), compression supporting plates (9) and micro motors (15) are fixedly mounted on the two fixed boxes (5), gears II (17) are fixedly mounted on driving ends of the micro motors (15), gears I (16) are rotatably mounted in the two fixed boxes (5), and the gears I (16) are meshed with the corresponding gears II (17), and the first gear (16) and the second gear (17) are fixedly provided with clamping rods (10).

2. The positioning plate for precision machining according to claim 1, wherein the sliding mechanism comprises trapezoidal sliding blocks fixedly mounted on the two moving plates (2), the bottom plate (1) is provided with trapezoidal sliding grooves, and the two trapezoidal sliding blocks are clamped in the trapezoidal sliding grooves.

3. The positioning plate for precision machining according to claim 1, wherein the extruding mechanism comprises a fixed block fixedly mounted on a top plate (7), a winding roller (12) is rotatably mounted on the fixed block, a pressing plate (8) is fixedly mounted at the bottom of the top plate (7) through a compression spring (14), and two traction ropes (11) are fixedly connected between the pressing plate (8) and the winding roller (12).

4. The positioning plate for precision machining according to claim 3, wherein sponge pads (18) are fixedly mounted on the pressing plate (8), the compression supporting plate (9) and the clamping rods (10).

5. The positioning plate for precision machining according to claim 3, characterized in that a rotating handle (13) is fixedly arranged on each of the two winding rollers (12).