CN211305613U

CN211305613U - Positioning clamp for slender tubular workpiece

Info

Publication number: CN211305613U
Application number: CN201921851553.2U
Authority: CN
Inventors: 娈蜂寒; 殷亮
Original assignee: Taicang Ansheng Precision Metal Products Co ltd
Current assignee: Taicang Ansheng Precision Metal Products Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-21
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a positioning clamp for a slender tubular workpiece, which comprises a base, a fixed part and a driving source which are fixed on the base, and a moving part which can move relative to the fixed part; the fixing part is a long baffle which is fixed on the base through a plurality of fixing parts; the moving part comprises a bottom plate and a side plate vertically arranged on the bottom plate, a through hole matched with the bottom plate is formed in the long baffle, and the bottom plate penetrates through the through hole and is fixedly connected with the driving source; the surfaces of the side plates opposite to the long baffle plates are provided with arc-shaped positioning grooves which are matched with each other. The utility model discloses a positioning fixture for long and thin tubulose work piece can fix long and thin tubulose work piece, and easy and simple to handle, and the security is high.

Description

Positioning clamp for slender tubular workpiece

Technical Field

The utility model relates to an anchor clamps technical field, concretely relates to positioning fixture for long and thin tubulose work piece.

Background

At present, when some slender tubular castings are machined, long-stroke turning is carried out on a machine tool in a production workshop, if the castings are machined under the condition that proper clamps are not used for clamping the castings, the castings are seriously shaken in the machining process to affect the machining precision, the yield is reduced, and the lathe is greatly damaged. Some work holders assist in machining already appear on the world, but the work holders are manually operated by workers to clamp or loosen during operation, the production efficiency is low, and the safety in use is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a positioning fixture for long and thin tubulose work piece, this positioning fixture can fix long and thin tubulose work piece, and easy and simple to handle.

In order to solve the technical problem, the utility model provides a positioning fixture for slender tubular workpiece, which comprises a base, a fixed part and a driving source fixed on the base, and a moving part capable of moving relative to the fixed part; the fixing part is a long baffle which is fixed on the base through a plurality of fixing parts; the moving part comprises a bottom plate and a side plate vertically arranged on the bottom plate, a through hole matched with the bottom plate is formed in the long baffle, and the bottom plate penetrates through the through hole and is fixedly connected with the driving source; the surfaces of the side plates opposite to the long baffle plates are provided with arc-shaped positioning grooves which are matched with each other.

Further, a step part is formed on the surface of the elongated baffle plate opposite to the side plate, and an elongated accommodating groove for placing an elongated tubular workpiece is formed between the step part and the side plate.

Further, the side plates and the bottom plate are integrally formed, and the side plates and the bottom plate form an L shape.

Furthermore, the groove wall of the arc-shaped positioning groove is provided with bump type anti-skid lines.

Further, the arc-shaped groove is a semicircular positioning groove.

Further, the driving source is a single-rod cylinder, a double-rod cylinder or a hydraulic cylinder.

Furthermore, an intermediate plate is fixedly connected to the end face of the part of the bottom plate penetrating through the through hole, and a piston rod of the air cylinder or the hydraulic cylinder is fixed to the intermediate plate.

The utility model has the advantages that:

the utility model discloses a positioning fixture for long and thin tubulose work piece is close to the fixed part through driving source drive removal portion to the realization is very simple and convenient to the tight location of clamp of long and thin tubulose work piece, and need not manually operation, and the security is high. The utility model discloses a positioning fixture can replace manual jig on the market, has improved efficiency and security.

Drawings

Fig. 1 is a schematic structural view of a positioning jig for an elongated tubular workpiece according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the fixing portion of FIG. 1;

the reference numbers in the figures illustrate: 100. a base; 200. a moving part; 210. a side plate; 220. a base plate; 230. a semicircular positioning groove; 240. accommodating grooves; 300. a fixed part; 310. perforating; 320. a step portion; 400. a double-rod cylinder.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As described in the background art, when some long and thin tubular castings are machined, long-stroke turning is carried out on a machine tool in a production workshop, and if the castings are machined under the condition that proper clamps are not used for clamping the castings, the castings are severely shaken in the machining process, so that the machining precision is affected, the yield is reduced, and the damage to the lathe is large. Although some work holders assist in machining, the work holders are manually operated by workers to clamp or loosen during operation, so that the production efficiency is low, and the safety in use is not high.

To solve the above technical problem, the present invention provides a positioning jig for an elongated tubular workpiece, which includes a base 100, a fixing portion 300 fixed to the base 100, a driving source, and a moving portion 200 movable relative to the fixing portion 300.

Specifically, referring to fig. 1-2, the fixing portion 300 is an elongated baffle plate, and the top of the baffle plate is fixed to the base 100 by a plurality of screws. The moving part 200 comprises a bottom plate 220 and a side plate 210 vertically arranged on the bottom plate 220, the elongated baffle plate is provided with a through hole 310 matched with the bottom plate 220, and the bottom plate 220 passes through the through hole 310 and is fixedly connected with the driving source; the surfaces of the side plates 210 opposite to the long baffle are provided with arc-shaped positioning grooves which are matched with each other. Therefore, the elongated tubular workpiece to be fixed is placed between the fixing part 300 and the moving part 200, and the driving source drives the moving part 200 to approach the elongated baffle plate, so that the workpiece is clamped in the arc-shaped positioning groove, and the positioning of the workpiece can be realized.

Further, a step portion 320 is formed on the surface of the elongated baffle opposite to the side plate 210, an elongated accommodating groove 240 is formed between the step portion 320 and the side plate 210, the arc-shaped positioning groove is arranged on the side surface of the step portion 320, and the accommodating groove 240 is used for placing the elongated tubular workpiece. Further, the bottom sides of the arc-shaped positioning grooves are flush with the bottom surface of the step part 320 or slightly higher than the bottom surface of the step part 320, so that in use, a workpiece is placed in the accommodating groove 240, and the driving source is started to clamp the workpiece, without manually holding the workpiece between the pair of arc-shaped positioning grooves.

In this embodiment, the height of the through hole 310 is equal to the height of the bottom surface of the step part 320, so that the side plate 210 can be close to and tightly attached to the side surface of the step part 320, and a better fixing effect on the elongated tubular workpiece can be achieved. Of course, the arc-shaped positioning slot is a semicircular positioning slot 230.

Furthermore, in order to prevent the workpiece from sliding, bump type anti-slip threads are arranged on the groove wall of the arc-shaped positioning groove to increase the friction force between the workpiece and the positioning groove.

In this embodiment, the side plate 210 and the bottom plate 220 are integrally formed, and the side plate 210 and the bottom plate 220 form an L-shape.

The utility model discloses in, the driving source can be driving sources such as cylinder, pneumatic cylinder, electric jar, preferably the driving source is single pole cylinder, two pole cylinders 400 or pneumatic cylinder. In this embodiment, the driving source is a double rod cylinder 400.

In this embodiment, an intermediate plate is fixedly connected to an end surface of the portion of the bottom plate 220 passing through the through hole 310, and a piston rod of the dual-rod cylinder 400 is fixed to the intermediate plate.

The positioning fixture for the elongated tubular workpiece of the embodiment drives the moving part 200 to be close to the fixing part 300 through the double-rod cylinder 400, so that the elongated tubular workpiece is clamped and positioned, the operation is very simple and convenient, manual operation is not needed, and the safety is high. The positioning clamp can replace a manual clamp in the market, and can greatly improve the processing efficiency and safety.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A positioning jig for an elongated tubular workpiece, characterized by comprising a base, a fixed portion and a driving source fixed to the base, and a moving portion movable relative to the fixed portion; the fixing part is a long baffle which is fixed on the base through a plurality of fixing parts; the moving part comprises a bottom plate and a side plate vertically arranged on the bottom plate, a through hole matched with the bottom plate is formed in the long baffle, and the bottom plate penetrates through the through hole and is fixedly connected with the driving source; the surfaces of the side plates opposite to the long baffle plates are provided with arc-shaped positioning grooves which are matched with each other.

2. A positioning jig for an elongated tubular workpiece according to claim 1 wherein said elongated baffle has a step formed on a surface thereof opposite said side plate, said step and said side plate defining an elongated receiving channel therebetween for receiving the elongated tubular workpiece.

3. A positioning jig for an elongated tubular workpiece according to claim 1 wherein the side plates are integrally formed with the base plate and the side plates and the base plate form an L-shape.

4. A positioning jig for an elongated tubular workpiece as set forth in claim 1 wherein the arcuate positioning slot has a bump-like non-slip pattern on a wall thereof.

5. A localization fixture for an elongated tubular workpiece according to claim 4, wherein said arcuate localization slot is a semicircular localization slot.

6. A positioning jig for elongated tubular workpieces according to claim 1 wherein said drive source is a single rod cylinder, a double rod cylinder or a hydraulic cylinder.

7. A positioning jig for elongated tubular workpieces according to claim 6 wherein an intermediate plate is affixed to the end surface of the portion of said base plate passing through said aperture, and the piston rod of said cylinder or fluid cylinder is secured to said intermediate plate.