CN219053584U - Pressing device for machining and high-precision machining tool - Google Patents

Abstract

The utility model discloses a pressing device for machining, which comprises a base, wherein the upper side of the base is fixedly connected with a vertical pipe, the vertical pipe is internally and slidably connected with a sliding block, the upper end of the sliding block is fixedly connected with a supporting pipe, the upper end of the supporting pipe is fixedly connected with a pressing plate, one side of the vertical pipe is fixedly connected with a supporting frame, a cushion block is arranged on the supporting frame, a positioning groove which is vertically arranged is arranged on the inner wall of the vertical pipe, one side of the sliding block is fixedly connected with a positioning block, the positioning block vertically slides in the positioning groove in a reciprocating manner, and a lifting device for controlling the sliding block to slide in a reciprocating manner along the vertical pipe is arranged in the vertical pipe. Compared with the prior art, the utility model has the beneficial effects that: the pressing plate only can vertically move up and down, the workpiece cannot be displaced when being pressed, the stability of workpiece clamping is guaranteed, and the machining precision of a product is indirectly improved.

Description

Pressing device for machining and high-precision machining tool

Technical Field

The utility model relates to the technical field of machining jigs, in particular to a pressing device for machining.

Background

Machining refers to the process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining modes can be divided into cutting machining and pressing machining. When processing the work piece, need place the work piece on processing equipment's workstation, then compress tightly fixedly through the clamp plate, compress tightly and need carry out the tool setting operation to the work piece after fixing, process it after the tool setting is accomplished, still need carry out the tool setting operation after the new part of installation after the processing is accomplished, but the tool setting is more time consuming, has like this seriously influenced production efficiency. For this reason, there is a processing tool in the prior art, the workpiece is installed in the processing tool, the tool setting operation is not required, the processing operation can be directly performed after the workpiece is pressed and fixed, as shown in fig. 2, the processing tool in the prior art comprises a bottom plate 100, a device for limiting the workpiece and a pressing device are arranged on the upper side of the bottom plate 100, the existing pressing device comprises a screw 300, a pressing plate 400, a cushion block 500 and two nuts 600, the screw 300 is fixed on the upper side of the bottom plate 100, the screw 300 passes through a yielding hole of the pressing plate, the nuts 600 are in threaded connection with the screw 300, the two nuts are respectively positioned on the upper side and the lower side of the pressing plate 400, the cushion block 500 is arranged below the pressing plate 400, after the workpiece 200 is placed above the bottom plate 100, the workpiece 200 is pressed and fixed by the pressing plate 400, so that the workpiece can be directly processed, when the workpiece is pressed, due to the clearance between the screw 300 and the yielding hole of the pressing plate 400, the nuts 600 can drive the pressing plate 400 to slightly displace, so that the workpiece 200 can generate corresponding displacement due to the high-precision machining requirement, and subsequent processing errors can occur.

Disclosure of Invention

The utility model aims to provide a pressing device for machining, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a closing device for machining, includes the base, base upside fixed connection riser, sliding connection slider in the riser, slider upper end fixed connection stay tube, stay tube upper end fixed connection clamp plate, riser one side fixed connection support frame is equipped with the cushion on the support frame, is equipped with the constant head tank of vertical setting on the inner wall of riser, slider one side fixed connection locating piece, the locating piece reciprocates from top to bottom in the constant head tank be equipped with the elevating gear who is used for controlling slider along the reciprocal gliding of riser in the riser.

Preferably, the support frame comprises a flat plate, the flat plate is fixed on the outer wall of the vertical pipe, and a reinforcing rib block is fixedly connected between the outer wall of the vertical pipe and the flat plate.

The utility model also discloses a high-precision machining tool, which comprises a bottom plate, wherein the bottom plate is provided with at least one pressing device for machining.

Compared with the prior art, the utility model has the beneficial effects that: the pressing plate only can vertically move up and down, the workpiece cannot be displaced when being pressed, the stability of workpiece clamping is guaranteed, and the machining precision of a product is indirectly improved.

Drawings

FIG. 1 is a schematic view of the basic structure of the present utility model;

fig. 2 is a schematic diagram of the basic structure of a processing tool in the prior art.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1-2, the compressing device for machining disclosed by the utility model comprises a base 1, wherein the upper side of the base 1 is fixedly connected with a vertical stand pipe 2 which is vertically arranged, a sliding block 3 is connected in the stand pipe 2 in a sliding way, the upper end of the sliding block 3 is fixedly connected with a supporting pipe 9, the upper end of the supporting pipe 9 is fixedly connected with a pressing plate 10, one side of the stand pipe 2 is fixedly connected with a supporting frame, the supporting frame comprises a flat plate 11, the flat plate 11 is fixed on the outer wall of the stand pipe 2, a reinforcing rib block 13 is fixedly connected between the outer wall of the stand pipe 2 and the flat plate 11, a cushion block 12 is arranged on the upper side of the flat plate 11, the cushion block 12 adopts a cushion block with adjustable height, which is not described in detail in the prior art, a positioning groove 17 which is vertically arranged is arranged on the inner wall of the stand pipe 2, one side of the sliding block 3 is fixedly connected with a positioning block 18, the positioning block 18 slides up and down in the positioning groove 17, and the lifting device which is used for controlling the sliding block 3 to slide up and down along the stand pipe 2 is arranged in the lifting device. The lifting device adopts any lifting control structure in the prior art, in order to facilitate understanding of the embodiment, the embodiment discloses a lifting device structure, the lifting device comprises a rotating block 5, the rotating block 5 rotates in a vertical pipe 2 through a bearing 4, the upper end of the rotating block 5 is coaxially and fixedly connected with a screw rod 6, a mounting hole is formed in the center of a sliding block 3, a screw rod nut is arranged in the mounting hole, the screw rod 6 is in transmission connection in the screw rod nut, a first bevel gear 7 is arranged on the screw rod 6, a rotating hole is formed in one side of the vertical pipe 2, a rotating shaft 14 is rotationally connected in the rotating hole, one end of the rotating shaft 14 is fixedly connected with a second bevel gear 16, and the first bevel gear 7 is meshed with the second bevel gear 16.

In this embodiment, the lifting device controls the slider 3 to slide reciprocally along the vertical pipe 2, so as to control the pressing plate 10 to move up and down, so as to compress the workpiece, and because the positioning block 18 on one side of the slider slides reciprocally up and down in the positioning groove 17, the slider cannot rotate anyway, so that the pressing plate 10 only moves vertically up and down, the workpiece cannot be displaced when the workpiece is compressed, the stability of clamping the workpiece is ensured, and the machining precision of the product is indirectly improved.

Example 2

The utility model also discloses a high-precision machining tool, which comprises a bottom plate, wherein the bottom plate is provided with at least one pressing device for machining.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (3)

1. A hold-down device for machining, characterized in that: including base (1), base (1) upside fixed connection riser (2), sliding connection slider (3) in riser (2), slider (3) upper end fixed connection stay tube (9), stay tube (9) upper end fixed connection clamp plate (10), riser (2) one side fixed connection support frame is equipped with cushion (12) on the support frame, is equipped with constant head tank (17) of vertical setting on the inner wall of riser (2), slider (3) one side fixed connection locating piece (18), locating piece (18) reciprocate in constant head tank (17) from top to bottom be equipped with in riser (2) and be used for controlling slider (3) along riser (2) reciprocating sliding elevating gear.

2. A pressing device for machining according to claim 1, wherein: the support frame comprises a flat plate (11), the flat plate (11) is fixed on the outer wall of the vertical pipe (2), and a reinforcing rib block (13) is fixedly connected between the outer wall of the vertical pipe (2) and the flat plate (11).

3. A high-precision machining tool is characterized in that: comprising a base plate on which at least one pressing device for machining according to claim 1 or 2 is mounted.

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