CN219521298U - Precision machinery centre gripping frock - Google Patents

Abstract

The utility model provides a precision mechanical clamping tool which comprises a bottom plate, wherein the bottom of the bottom plate is rotationally connected with a plurality of connecting rods, one end of each connecting rod is fixedly connected with a vertical rod, the top of each vertical rod is provided with a clamping rod, and the vertical rods are connected with limiting rods matched with the bottom plate in a sliding manner. According to the utility model, the bottom plate is arranged and used for placing the workpiece, the bottom of the bottom plate is rotationally connected with a plurality of connecting rods, one end of each connecting rod is provided with the upright rod positioned outside the bottom plate, and the upright rod is provided with the clamping rod used for clamping the workpiece.

Description

Precision machinery centre gripping frock

Technical Field

The utility model relates to the technical field of tool clamps, in particular to a precision mechanical clamping tool.

Background

The existing precision machining clamping equipment is usually installed and fixed, and can only clamp parts with a single specification, namely the structure of the clamping tool can only clamp parts with a single specification, specifically, the number and the positions of clamping plates on the existing clamping tool are fixed, the positions of clamping points of workpieces are fixed, and the positions of the clamping points of other workpieces with different structures and types cannot be adjusted to clamp the parts, so that the follow-up precision machining of the workpieces can be affected.

Therefore, the utility model provides a precision mechanical clamping tool.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a precision mechanical clamping tool for solving the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a precision machinery centre gripping frock, includes the bottom plate, the bottom of bottom plate rotates and is connected with a plurality of connecting rods, the one end fixedly connected with pole setting of this connecting rod, the top of pole setting is provided with the clamping lever, sliding connection has the gag lever post that uses with the bottom plate cooperation in the pole setting.

Further, the bottom plate is circular disk type and the periphery wall is offered circumference evenly distributed's jack, the one end fixedly connected with of gag lever post and the plug axle of jack cooperation use.

Furthermore, the limiting rod is elastically connected with the vertical rod in a sliding manner, and the inserting shaft and the inserting hole are conical.

Further, one side of the vertical rod is provided with a guide sleeve in a penetrating mode, the guide sleeve is connected with a limiting rod in a sliding mode, a blocking disc is fixedly connected to the peripheral wall of the limiting rod, and a spring located between the blocking disc and the guide sleeve is sleeved on the limiting rod.

Furthermore, the bottom of the bottom plate is fixedly connected with a positioning shaft, and the other end of the connecting rod is fixedly connected with a connecting sleeve which is rotationally connected with the positioning shaft through a bearing.

Further, the bottom of the positioning shaft is fixedly connected with a supporting plate, and the bottom of the vertical rod is contacted with the upper end face of the supporting plate.

The utility model has the beneficial effects that: the utility model relates to a precision mechanical clamping tool, which comprises a bottom plate; a jack; a connecting rod; connecting sleeves; a vertical rod; a guide sleeve; a clamping rod; a limit rod; inserting a shaft; a baffle disc; positioning a shaft; a spring; and a supporting plate.

The bottom plate is arranged, the workpiece is placed on the bottom plate, a plurality of connecting rods are rotationally connected to the bottom of the bottom plate, one end of each connecting rod is provided with a vertical rod positioned outside the bottom plate, clamping rods used for clamping the workpiece are arranged on the vertical rods, and the positions of clamping points of each clamping rod on the workpiece can be changed due to the fact that the connecting rods are rotationally connected with the bottom plate.

Drawings

FIG. 1 is a schematic diagram of a structure of a bottom plate, a connecting rod, a vertical rod, a clamping rod and a limiting rod in a precision mechanical clamping tool;

FIG. 2 is a schematic diagram of a structure of a connecting rod, a bottom plate connection, a limiting rod and a vertical rod in the precision mechanical clamping tool according to the utility model;

in the figure: 1. a bottom plate; 11. a jack; 2. a connecting rod; 21. connecting sleeves; 3. a vertical rod; 31. a guide sleeve; 4. a clamping rod; 5. a limit rod; 51. inserting a shaft; 52. a baffle disc; 6. positioning a shaft; 7. a spring; 8. and a supporting plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a precision machinery centre gripping frock, including bottom plate 1, the bottom rotation of bottom plate 1 is connected with a plurality of connecting rods 2, the quantity of connecting rod 2 is three at least, this embodiment uses three as the example, the one end fixedly connected with pole setting 3 of this connecting rod 2, the top of pole setting 3 is provided with clamping lever 4, be used for placing the work piece on bottom plate 1, clamping lever 4 is used for pressing from both sides the work piece, clamping lever 4 and pole setting 3 spin are connected, its axial movement is pressed from both sides the work piece when controlling clamping lever 4 and presss from both sides tightly, wherein because the bottom rotation of connecting rod 2 and bottom plate 1 is connected, can change the position of pole setting 3 relative bottom plate 1 circumference, and then can change the clamping lever 4 and the position of work piece clamping position, be fit for the clamp location of different clamping positions on the different work pieces, improve the centre gripping precision, sliding connection has the gag lever 5 that cooperates with bottom plate 1 on the pole setting 3, the effect of this gag lever 5 is with connecting rod 2 and bottom plate 1 locking, when outwards sliding gag lever 5, connecting rod 2 and bottom plate 1 release the locking, can freely rotate connecting rod 2 and adjust clamping lever 4's position this moment.

According to the embodiment, the bottom plate 1 is a circular disc type, the jacks 11 which are uniformly distributed in the circumferential direction are formed in the peripheral wall of the bottom plate 1, one end of the limiting rod 5 is fixedly connected with the inserting shaft 51 which is matched with the jacks 11, after the inserting shaft 51 is inserted into the jacks 11, the position of the vertical rod 3 is fixed, namely, the clamping rod 4 is fixed relative to the circumferential direction of the bottom plate 1, at the moment, the clamping rod 4 is controlled to axially move to clamp and position a workpiece, the limiting rod 5 and the vertical rod 3 are further elastically and slidably connected, the inserting shaft 51 and the jacks 11 are conical, after the inserting shaft 51 and the jacks 11 are in contact, the limiting rod 5 cannot shake, the precision of the position of the vertical rod 3 is greatly improved, specifically, one side of the vertical rod 3 is penetrated through a guide sleeve 31 which is slidably connected with the limiting rod 5, a baffle disc 52 is fixedly connected with the peripheral wall of the limiting rod 5, a spring 7 which is arranged between the baffle disc 52 and the guide sleeve 31 is sleeved on the limiting rod 5, under the action of the spring 7, the limiting rod 5 is used for clamping the jacks 11, and the limiting rod 11 is manually pulled outwards, so that the limiting rod 5 can rotate around the bottom plate 2 when the inserting shaft 51 is separated from the jacks 11, and the vertical rod 1 can be locked and can be conveniently contacted and locked and contacted with the vertical rod 3.

In this embodiment, the bottom of the base plate 1 is fixedly connected with the positioning shaft 6, the other end of the connecting rod 2 is fixedly connected with the connecting sleeve 21 rotatably connected with the positioning shaft 6 through a bearing, the rotation axes of the connecting rods 2 are coincident, and it is noted that the positions of the connecting sleeves 21 connected with each connecting rod 2 are different, that is, the connecting sleeves 21 are axially arranged and distributed on the positioning shaft 6, wherein the bottom of the positioning shaft 6 is fixedly connected with the supporting plate 8, the bottom of the vertical rod 3 is contacted with the upper end surface of the supporting plate 8, and the supporting plate 8 plays a role in improving the bending deformation resistance of the connecting rods 2.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a precision machinery centre gripping frock, includes bottom plate (1), its characterized in that, the bottom of bottom plate (1) rotates and is connected with a plurality of connecting rods (2), and the one end fixedly connected with pole setting (3) of this connecting rod (2), the top of pole setting (3) is provided with clamping lever (4), sliding connection has gag lever post (5) of using with bottom plate (1) cooperation on pole setting (3).

2. The precision mechanical clamping tool according to claim 1, wherein: the bottom plate (1) is circular disc-shaped, the periphery wall of the bottom plate is provided with jacks (11) which are uniformly distributed in the circumferential direction, and one end of the limiting rod (5) is fixedly connected with a plug shaft (51) which is matched with the jacks (11) for use.

3. The precision mechanical clamping tool according to claim 2, wherein: the limiting rod (5) is elastically connected with the vertical rod (3) in a sliding manner, and the inserting shaft (51) and the inserting hole (11) are conical.

4. A precision machinery centre gripping frock according to claim 3, characterized in that: one side of the vertical rod (3) is penetrated and provided with a guide sleeve (31) which is in sliding connection with the limiting rod (5), the peripheral wall of the limiting rod (5) is fixedly connected with a baffle disc (52), and the limiting rod (5) is sleeved with a spring (7) which is positioned between the baffle disc (52) and the guide sleeve (31).

5. The precision mechanical clamping tool according to claim 1, wherein: the bottom of the bottom plate (1) is fixedly connected with a positioning shaft (6), and the other end of the connecting rod (2) is fixedly connected with a connecting sleeve (21) which is rotationally connected with the positioning shaft (6) through a bearing.

6. The precision mechanical clamping tool according to claim 5, wherein: the bottom of the positioning shaft (6) is fixedly connected with a supporting plate (8), and the bottom of the vertical rod (3) is contacted with the upper end face of the supporting plate (8).