CN220560961U

CN220560961U - Clamp suitable for machining side wall of columnar part

Info

Publication number: CN220560961U
Application number: CN202322211753.4U
Authority: CN
Inventors: 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 machining the side wall of a columnar part, which comprises a workbench, two lifting devices and a limiting frame, wherein the two lifting devices are arranged on the workbench; the two lifting devices are respectively positioned at the outer sides of the two long sides of the workbench, the lifting devices are ball screws controlled by driving motors, and the screw rods of the ball screws are perpendicular to 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 limiting frame is respectively driven by the two lifting devices to compress the part to be processed, so that the clamping is stable.

Description

Clamp suitable for machining side wall of columnar part

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 requirement of batch processing.

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 clamps, while stable in clamping, have difficulty in meeting the need to simultaneously secure multiple parts for batch processing.

Disclosure of Invention

The utility model provides a fixture suitable for machining the side wall of a columnar part, which aims to solve the technical problems in the prior art, and has the advantages of simple structure, convenience in use and suitability for batch machining.

The utility model comprises the following technical scheme: a fixture suitable for machining the side wall of a columnar part comprises a workbench, two lifting devices and a limiting frame; the two lifting devices are respectively positioned at the outer sides of the two long sides of the workbench, the lifting devices are ball screws controlled by driving motors, and the screw rods of the ball screws are perpendicular to 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, the two lifting devices are symmetrical with respect to the workbench.

Further, the driving motor is arranged below the side of the horizontal plane of the workbench through the motor base.

Further, equal intervals are arranged between the limiting grooves, and the limiting grooves 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 limiting frame comprises a horizontal rod and a connecting rod.

Further, one end of the connecting rod is fixedly arranged on the outer surface of the nut, and the bottom surface of the other end of the connecting rod is fixedly arranged on the top surface of the horizontal rod; the horizontal rod is perpendicular 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.

According to the utility model, the ball screw is used as the lifting device to drive the limiting frame to lift, the two lifting devices respectively drive the limiting frame to compress the part to be processed, the clamping is stable, and the processing equipment can conveniently work on the horizontal plane of the workbench.

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.

Detailed Description

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 machining the side wall of a columnar part comprises a workbench 1, two lifting devices and a limiting frame 2; the two lifting devices are respectively positioned at the outer sides of the two long sides of the workbench 1, and the two lifting devices are symmetrical relative to the workbench 1. The lifting device is a ball screw controlled by a driving motor 3, and a screw 4 of the ball screw is perpendicular to the horizontal plane of the workbench 1; the driving motor 3 is arranged below the horizontal plane of the workbench 1 through a motor base.

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 limiting frame 2 comprises a horizontal rod 201 and a connecting rod 204. One end of the connecting rod 204 is fixedly arranged on the outer surface of the nut 5, and the bottom surface of the other end of the connecting rod is fixedly arranged on the top surface of the horizontal rod 201; the horizontal bar 201 is perpendicular to the connecting bar 204. Seven limiting grooves 101 with arc longitudinal sections are formed in the workbench 1, and seven limiting claws 202 corresponding to the positions of the limiting grooves 101 are arranged on the bottom surface of a horizontal rod 201 of the limiting 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. Each of the limit grooves 101 is provided with equal spacing therebetween and is 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.

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 column part lateral wall processing, its characterized in that: comprises a workbench, two lifting devices and a limiting frame; the two lifting devices are respectively positioned at the outer sides of the two long sides of the workbench, the lifting devices are ball screws controlled by driving motors, and the screw rods of the ball screws are perpendicular to 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. The fixture for machining side walls of columnar parts according to claim 1, wherein: the two lifting devices are symmetrical with respect to the workbench.

3. The fixture for machining side walls of columnar parts according to claim 1, wherein: the driving motor is arranged below the horizontal plane of the workbench through the motor base.

4. The fixture for machining side walls of columnar parts according to claim 1, wherein: and equal intervals are arranged between the limiting grooves and are parallel to each other.

5. The fixture for machining side walls of columnar parts according to claim 1, wherein: the depth of the limiting groove is not more than one third of the diameter of the part to be processed.

6. A fixture for machining a side wall of a columnar member as defined in any one of claims 1 to 5, wherein: the limit frame comprises a horizontal rod and a connecting rod.

7. The fixture for machining side walls of columnar parts according to claim 6, wherein: one end of the connecting rod is fixedly arranged on the outer surface of the nut, and the bottom surface of the other end of the connecting rod is fixedly arranged on the top surface of the horizontal rod; the horizontal rod is perpendicular to the connecting rod.

8. The fixture for machining side walls of columnar parts according to claim 7, wherein: and the limiting claw is connected with the horizontal rod through a spring connecting column.

9. The fixture for machining side walls of columnar parts according to 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.