CN220560960U

CN220560960U - Clamp suitable for multi-station machining

Info

Publication number: CN220560960U
Application number: CN202322211678.1U
Authority: CN
Inventors: 徐继国; 王积琨; 徐健鸣
Original assignee: Tianjin Yongxin Automotive Parts Co ltd
Current assignee: Tianjin Yongxin Automotive Parts Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-08
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to a fixture suitable for multi-station machining, which comprises a workbench, a lifting device and a limiting frame; the lifting device is a ball screw controlled by a driving motor, and a screw rod of the ball screw vertically penetrates through the horizontal plane of the workbench; the limiting frame is fixedly arranged on the outer side of the nut of the ball screw and moves up and down along the screw along with the nut; a plurality of limiting grooves with arc longitudinal sections are formed in the workbench, and a plurality of limiting claws corresponding to the positions of the limiting grooves are arranged on the bottom surface of the horizontal rod of the limiting frame; before the part processing begins, the part to be processed is placed in the limiting groove, and two ends of the part to be processed are tightly pressed by the limiting claws. According to the utility model, the limit frame with the limit claw is matched with the workbench provided with the limit groove, and columnar parts or tubular parts to be processed are clamped in batches each time; the ball screw is used as a lifting device to drive the limiting frame to lift, and the screw rod of the ball screw vertically penetrates through the workbench, so that the workbench is divided into two processing stations.

Description

Clamp suitable for multi-station machining

Technical Field

The utility model belongs to the technical field of automobile tool fixtures, and particularly relates to a fixture suitable for machining side walls of columnar parts.

Background

The fixture is mainly used as a process device for rapidly fastening workpieces during part processing, so that a machine tool, a cutter and the workpieces keep correct relative positions, namely the fixture is an indispensable part for machining. Along with the development of machine tool technology in the directions of precision, high efficiency and functional combination, the clamp technology also needs to be developed so as to meet the requirements of multi-station machining and batch machining.

When the existing clamp is used for fixing a columnar or tubular part so as to facilitate the subsequent processing of the side wall of the columnar or tubular part, a single clamping mode is adopted in most cases, and the existing clamp structure can refer to patent numbers CN201910857441.6, CN110756853A and patent names of the existing clamp and the application method. Such a clamp, while stable in clamping, is difficult to meet the need for simultaneous multi-station machining and fixing of multiple parts for mass machining.

Disclosure of Invention

The utility model provides a fixture suitable for multi-station processing for solving the technical problems in the prior art, and the fixture has the advantages of simple structure, convenience in use and suitability for multi-station batch processing.

The utility model comprises the following technical scheme: a fixture suitable for multi-station machining comprises a workbench, a lifting device and a limiting frame; the lifting device is a ball screw controlled by a driving motor, and a screw rod of the ball screw vertically penetrates through the horizontal plane of the workbench; the limiting frame is fixedly arranged on the outer side of the nut of the ball screw and moves up and down along the screw along with the nut; a plurality of limiting grooves with arc longitudinal sections are formed in the workbench, and a plurality of limiting claws corresponding to the positions of the limiting grooves are arranged on the bottom surface of the horizontal rod of the limiting frame; before the part processing begins, the part to be processed is placed in the limiting groove, and two ends of the part to be processed are tightly pressed by the limiting claws.

Further, a through hole for accommodating the screw rod to pass through is formed in the middle of the horizontal plane of the workbench.

Furthermore, the limiting grooves are symmetrically arranged on two sides of the through hole, and equal intervals are arranged between each two limiting grooves and are parallel to each other.

Further, the depth of the limiting groove is not more than one third of the diameter of the part to be processed.

Further, the driving motor is installed right below the through hole through the motor base.

Further, the limiting frame comprises two horizontal rods and two connecting rods.

Further, one end of the connecting rod is fixedly arranged on the outer surface of the nut, and the side surface of the other end of the connecting rod is fixedly arranged on the horizontal rod; the horizontal rod is bilaterally symmetrical with respect to the connecting rod.

Further, the limit claw is connected with the horizontal rod through a spring connecting column.

Further, the limiting claw is attached to the top surface and the end surface of the part to be processed, and the longitudinal section of the middle part of the limiting claw is L-shaped.

The utility model has the advantages and positive effects that:

according to the utility model, the limit frame with the limit claw is matched with the workbench provided with the limit groove, and the columnar parts or the tubular parts to be processed are clamped in batches each time.

The utility model adopts the ball screw as the lifting device to drive the limit frame to lift, and the screw rod of the ball screw vertically passes through the workbench, so that the workbench is divided into two processing positions, and the two processing positions can be respectively used for matching different processing equipment.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the limit pawl;

in the figure, a workbench is shown as the 1; 101-limiting grooves; 2-a limiting frame; 201-horizontal bars; 202-limiting claws; 203-spring connection posts; 204-connecting rods; 3-driving a motor; 4-a screw; 5-nuts; 6-a part to be processed.

Description of the embodiments

In order to further disclose the inventive aspects, features and advantages of the present utility model, the following examples are set forth in detail in connection with the accompanying drawings. In the description of the embodiments below, it should be understood that the terms "center," "longitudinal," "transverse," "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 purposes of describing the present patent and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present patent.

In the description of the embodiments below, it should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example, unless otherwise specifically indicated and defined. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Examples: referring to fig. 1-3, a fixture suitable for multi-station machining comprises a workbench 1, a lifting device and a limiting frame 2; the lifting device is a ball screw controlled by a driving motor 3, and a screw 4 of the ball screw vertically penetrates through the horizontal plane of the workbench 1; the middle part of the horizontal plane of the workbench 1 is provided with a through hole for accommodating the screw 4 to pass through. The driving motor 3 is arranged right below the through hole through a motor seat. The limiting frame 2 is fixedly arranged on the outer side of a nut 5 of the ball screw and moves up and down along with the nut 5 along a screw 4; the workbench 1 is provided with ten limit grooves 101 with arc-shaped longitudinal sections, the limit grooves 101 are symmetrically arranged on two sides of the through hole, and equal intervals are arranged between the limit grooves 101 and are parallel to each other. The depth of the limit groove 101 is not more than one third of the diameter of the part 6 to be processed. Ten limit claws 202 corresponding to the positions of the limit grooves 101 are arranged on the bottom surface of the horizontal rod 201 of the limit frame 2; before the part machining starts, the part 6 to be machined is placed in the limiting groove 101, and two ends of the part 6 to be machined are pressed by the limiting claws 202.

The limiting frame 2 comprises two horizontal rods 202 and two connecting rods 204. One end of the connecting rod 204 is fixedly arranged on the outer surface of the nut 5, and the side surface of the other end is fixedly arranged on the horizontal rod 202; the horizontal bar 202 is bilaterally symmetrical about the connecting bar 204.

As shown in fig. 3, the limit claw 202 is connected to the horizontal rod 201 through a spring connection post 203. The limiting claw 202 is attached to the top surface and the end surface of the part 6 to be processed, and the longitudinal section of the middle part of the limiting claw 202 is L-shaped.

Although the preferred embodiments of the present utility model have been described, the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the appended claims. All of which are within the scope of the present utility model.

Claims

1. Anchor clamps suitable for multistation processing, its characterized in that: comprises a workbench, a lifting device and a limiting frame; the lifting device is a ball screw controlled by a driving motor, and a screw rod of the ball screw vertically penetrates through the horizontal plane of the workbench; the limiting frame is fixedly arranged on the outer side of the nut of the ball screw and moves up and down along the screw along with the nut; a plurality of limiting grooves with arc longitudinal sections are formed in the workbench, and a plurality of limiting claws corresponding to the positions of the limiting grooves are arranged on the bottom surface of the horizontal rod of the limiting frame; before the part processing begins, the part to be processed is placed in the limiting groove, and two ends of the part to be processed are tightly pressed by the limiting claws.

2. A fixture suitable for multi-station machining as claimed in claim 1, wherein: the middle part of the horizontal plane of the workbench is provided with a through hole for accommodating the screw rod to pass through.

3. A fixture suitable for multi-station machining as claimed in claim 2, wherein: the limiting grooves are symmetrically arranged on two sides of the through hole, and equal intervals are arranged between each two limiting grooves and are parallel to each other.

4. A fixture for multi-station processing as recited in claim 3, wherein: the depth of the limiting groove is not more than one third of the diameter of the part to be processed.

5. A fixture suitable for multi-station machining as claimed in claim 2, wherein: the driving motor is arranged right below the through hole through the motor base.

6. A fixture for multi-station processing according to any one of claims 1-5, wherein: the limiting frame comprises two horizontal rods and two connecting rods.

7. The fixture for multi-station machining according to claim 6, wherein: one end of the connecting rod is fixedly arranged on the outer surface of the nut, and the side surface of the other end of the connecting rod is fixedly arranged on the horizontal rod; the horizontal rod is bilaterally symmetrical with respect to the connecting rod.

8. A fixture for multi-station processing as recited in claim 7, wherein: and the limiting claw is connected with the horizontal rod through a spring connecting column.

9. A fixture for multi-station processing as recited in claim 8, wherein: the limiting claw is attached to the top surface and the end surface of the part to be processed, and the longitudinal section of the middle part of the limiting claw is L-shaped.