CN211414347U

CN211414347U - Workpiece positioning, pressing and locking mechanism

Info

Publication number: CN211414347U
Application number: CN201921797651.2U
Authority: CN
Inventors: 刘柏松
Original assignee: Shanghai Chaz Industry Co ltd
Current assignee: Shanghai Chaz Industry Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-09-04
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a work piece location compresses tightly deadlocking mechanism relates to the frock clamp field, including the location compact heap, the below of location compact heap is provided with first connecting rod, and is provided with first hinge pin on the location compact heap, the outside of location compact heap is provided with the safety cover, and the one end of location compact heap is connected with the bracing piece, be provided with second hinge pin on the first connecting rod, and the outer wall connection of first connecting rod has third hinge pin, the one end of bracing piece is connected with the third connecting rod, one side of third connecting rod is connected with the second connecting rod. The utility model discloses a first hinge pin, second hinge pin, third hinge pin, the bracing piece that sets up utilizes the motion dead point of first hinge pin, second hinge pin, third hinge pin, bracing piece, carries out the auto-lock, prevents to lead to pressing from both sides tightly not hard up because of the outage absolutely gas, guarantees this clamping mechanism's practicality, and the problem of the auto-lock of deadlock structure has effectively been solved to the security.

Description

Workpiece positioning, pressing and locking mechanism

Technical Field

The utility model relates to a frock clamp field specifically is a work piece location compresses tightly locking mechanism.

Background

In order to ensure the machining precision in the machining process, when a part is machined on a numerical control machine tool, a workpiece must be positioned on the machine tool in a correct position, namely, positioned and then clamped, and the positioning and clamping process is called as clamping of the workpiece.

At present, the domestic tool clamp mostly needs to use two cylinders to meet the requirement under the condition that two sides of the tool clamp are required to be positioned and clamped, so that the cost is increased, and potential safety hazards exist in the condition that clamping is loosened or a workpiece falls off under the condition that power is suddenly cut off and gas is cut off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the locking mechanism has the functions of positioning, clamping and self-locking in two directions and improves the functionality, stability and safety of a clamp, the workpiece positioning and pressing locking mechanism is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a work piece location compresses tightly locking mechanism, includes the location compact heap, the below of location compact heap is provided with first connecting rod, and is provided with first hinge pin on the location compact heap, the outside of location compact heap is provided with the safety cover, and the one end of location compact heap is connected with the bracing piece, be provided with second hinge pin on the first connecting rod, and the outer wall of first connecting rod is connected with third hinge pin, the one end of bracing piece is connected with the third connecting rod, one side of third connecting rod is connected with the second connecting rod, the one end of second connecting rod is connected with the cylinder fixed block, the inside of cylinder fixed block is provided with the stopper, the bottom of stopper is connected with the gasket, the bottom of gasket is connected with the pull rod, the bottom of pull rod is connected with the connector, the bottom of connector is connected with the cylinder.

Preferably, the cylinder and the cylinder fixed block are fixedly connected, and the pull rod is connected to the telescopic shaft of the cylinder through a connector.

Preferably, the protective cover is fixedly connected with the cylinder fixing block, and the limiting block and the gasket are fixedly connected with the pull rod.

Preferably, the second connecting rod and the third connecting rod are connected with the pull rod through a third hinge pin.

Preferably, the two positioning and pressing blocks are connected with the supporting rod through two first hinge pins, and the positioning and pressing blocks are concentric with holes matched with the cylinder fixing blocks.

Preferably, the first connecting rod, the supporting rod, the second connecting rod and the third connecting rod are connected through eight second hinge pins, and the first connecting rod is connected with the cylinder fixing block through a third hinge pin.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a first hinge pin, second hinge pin, third hinge pin, the bracing piece that sets up utilizes the motion dead point of first hinge pin, second hinge pin, third hinge pin, bracing piece, carries out the auto-lock, prevents to lead to pressing from both sides tightly not hard up because of the outage absolutely gas, guarantees this clamping mechanism's practicality, and the problem of the auto-lock of deadlock structure has effectively been solved to the security.

2. The utility model discloses a cylinder that sets up, the tight piece of location clamp, the cylinder fixed block, a cylinder passes through the hinge mechanism and provides power to the tight piece of location clamp, the hole of being furnished with by the fixed block provides the direction, and what realize is the location on two sides and compress tightly, the functional requirement that two or more cylinders could reach has even been realized, the functionality of clamping mechanism has been promoted, the cost is also practiced thrift greatly, this mechanism presss from both sides tight direction all the time the same with the axle center direction, this clamping mechanism can be simultaneously by the positioning effect, the functionalization of mechanism has been realized, the functionality to the anchor clamps has effectively been solved, stability and the problem that the security improves.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a partial front view of the present invention.

In the figure: 1. positioning a compression block; 2. a first link; 3. a support bar; 4. a second link; 5. a third link; 6. a pull rod; 7. a gasket; 8. a limiting block; 9. a connector; 10. a cylinder; 11. a cylinder fixing block; 12. a first hinge pin; 13. a second hinge pin; 14. a third hinge pin; 15. a protective cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a workpiece positioning, pressing and locking mechanism includes a positioning and pressing block 1, a first connecting rod 2 disposed below the positioning and pressing block 1, and the positioning and pressing block 1 is provided with a first hinge pin 12, the outer part of the positioning and pressing block 1 is provided with a protective cover 15, one end of the positioning and pressing block 1 is connected with a supporting rod 3, a second hinge pin 13 is arranged on the first connecting rod 2, and the outer wall of first connecting rod 2 is connected with third hinge pin 14, the one end of bracing piece 3 is connected with third connecting rod 5, one side of third connecting rod 5 is connected with second connecting rod 4, the one end of second connecting rod 4 is connected with cylinder fixed block 11, the inside of cylinder fixed block 11 is provided with stopper 8, the bottom of stopper 8 is connected with gasket 7, the bottom of gasket 7 is connected with pull rod 6, the bottom of pull rod 6 is connected with connector 9, the bottom of connector 9 is connected with cylinder 10.

Please refer to fig. 2, the cylinder 10 is fixedly connected to the cylinder fixing block 11 for fixing the cylinder 10, the pull rod 6 is connected to the telescopic shaft of the cylinder 10 through the connector 9 for driving the pull rod 6 to move when the cylinder 10 operates, the protective cover 15 is fixedly connected to the cylinder fixing block 11 for protecting the locking mechanism from the outside, the limiting block 8 and the gasket 7 are fixedly connected to the pull rod 6, and the gasket 7 reduces the friction force with the pull rod 6.

Please refer to fig. 1, the second link 4 and the third link 5 are connected to the pull rod 6 by a third hinge pin 14, so that the second link 4 and the third link 5 can rotate on the pull rod 6.

Two location compact heap 1 are connected with bracing piece 3 through two first hinge pin 12, and the first hinge pin 12 of being convenient for is fixed on bracing piece 3, and location compact heap 1, cylinder fixed block 11 are furnished with the hole concentric, and the location compact heap 1 of being convenient for is connected with bracing piece 3, and cylinder fixed block 11 is connected with cylinder 10.

First connecting rod 2, bracing piece 3, second connecting rod 4, third connecting rod 5 link to each other through eight second hinge pin 13 to support cylinder fixed block 11, first connecting rod 2 links to each other with cylinder fixed block 11 through third hinge pin 14, is convenient for first connecting rod 2 activity on cylinder fixed block 11.

The working principle is as follows: this use during novel use, location compact heap 1 presss from both sides tightly under link mechanism's drive, because location compact heap 1 is concentric with the hole that cylinder fixed block 11 joins in marriage all the time, it is fixed all the time to compress tightly the direction promptly, can fix a position and compress tightly in this direction, reach the state of compressing tightly after, bracing piece 3 dies with first connecting rod 2 and bracing piece 3 and the perpendicular lock of second connecting rod 4, in the working process, under the motionless condition of pull rod 6, location compact heap 1 can not be not enough because of the air feed, welding deformation etc. reason and position change, reach the lock function promptly, the functionality of locking the mechanism has been realized, and stability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a work piece location compresses tightly locking mechanism, includes location compact heap (1), its characterized in that: a first connecting rod (2) is arranged below the positioning and compressing block (1), a first hinge pin (12) is arranged on the positioning and compressing block (1), a protective cover (15) is arranged outside the positioning and compressing block (1), one end of the positioning and compressing block (1) is connected with a supporting rod (3), a second hinge pin (13) is arranged on the first connecting rod (2), a third hinge pin (14) is connected to the outer wall of the first connecting rod (2), a third connecting rod (5) is connected to one end of the supporting rod (3), a second connecting rod (4) is connected to one side of the third connecting rod (5), a cylinder fixing block (11) is connected to one end of the second connecting rod (4), a limiting block (8) is arranged inside the cylinder fixing block (11), a gasket (7) is connected to the bottom end of the limiting block (8), and a pull rod (6) is connected to the bottom end of the gasket (7), the bottom of pull rod (6) is connected with connector (9), the bottom of connector (9) is connected with cylinder (10).

2. The workpiece positioning, pressing and locking mechanism of claim 1, wherein: the cylinder (10) is fixedly connected with the cylinder fixing block (11), and the pull rod (6) is connected to a telescopic shaft of the cylinder (10) through a connector (9).

3. The workpiece positioning, pressing and locking mechanism of claim 1, wherein: the protective cover (15) is fixedly connected with the cylinder fixing block (11), and the limiting block (8), the gasket (7) and the pull rod (6) are fixedly connected.

4. The workpiece positioning, pressing and locking mechanism of claim 1, wherein: the second connecting rod (4) and the third connecting rod (5) are connected with the pull rod (6) through a third hinge pin (14).

5. The workpiece positioning, pressing and locking mechanism of claim 1, wherein: the two positioning and pressing blocks (1) are connected with the supporting rod (3) through two first hinge pins (12), and the positioning and pressing blocks (1) are concentric with holes matched with the cylinder fixing blocks (11).

6. The workpiece positioning, pressing and locking mechanism of claim 1, wherein: the first connecting rod (2), the supporting rod (3), the second connecting rod (4) and the third connecting rod (5) are connected through eight second hinge pins (13), and the first connecting rod (2) is connected with the cylinder fixing block (11) through a third hinge pin (14).