CN217167496U - Clamping device for self-clamping and fixing special-shaped workpiece by utilizing gravity - Google Patents

Abstract

The utility model provides a clamping device for self-clamping and fixing a special-shaped workpiece by utilizing gravity, which comprises a bottom plate base, a supporting component and a clamping jaw component, wherein the supporting component and the clamping jaw component are arranged on the bottom plate base and can provide pre-tightening force upwards; when a workpiece is placed on the supporting component, the clamping claw component automatically clamps the workpiece by matching with the supporting component by utilizing the lever principle. The utility model discloses in the clamping device that provides can directly utilize work piece gravity to press from both sides tightly and fix the work piece when using, can loosen convenient operation again automatically when lifting by crane the work piece. When the workpiece is transported, the device and the workpiece can be directly transported integrally, and the transporting process is simple and convenient. The device can effectively reduce the potential safety hazard when the workman operates, is applicable in various different sex work pieces and products simultaneously at the device, can practice thrift manufacturing running cost by a wide margin, increases higher economic benefits.

Description

Clamping device for self-clamping and fixing special-shaped workpiece by utilizing gravity

Technical Field

The utility model relates to a manufacturing auxiliary fixtures field, concretely relates to utilize clamping device of gravity self-holding fixed dysmorphism work piece.

Background

In a processing and assembling workshop of a manufacturing enterprise, some special-shaped parts can be frequently encountered, the parts cannot be independently placed in the workshop in a standing mode or placed in the workshop in a standing mode and are prone to toppling, parts can be damaged, and the parts can be used for

Can injure surrounding operation people and has potential safety hazard. Especially in valve manufacturing enterprises, the special-shaped valve body is often encountered, the bottom of the valve body is uneven or the grounding area is too small, and after an actuator and accessories are installed, the gravity center of the valve is raised, so that the valve cannot stand alone and is difficult to transport. Meanwhile, part of the transfer devices depend on a traveling crane or a track, the cost is high, and spatial position limitation exists in the transfer of the special-shaped valve body and products thereof.

Therefore, in order to solve the standing fixation of the opposite sex valve body, the safety of an operator during operation beside the valve body is ensured, and the problems of safe transfer of the opposite sex valve body and the assembled product, control of manufacturing and operating costs and the like are also solved. An auxiliary tool simple to operate needs to be customized to assist the special-shaped workpiece to safely stand and transfer.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an utilize gravity from clamping to decide clamping device of special-shaped work piece, the device can effectively solve special-shaped piece and stand in the workshop and transport the problem of difficulty, improves the transfer efficiency, reduces the potential safety hazard. The utility model provides a clamping device for self-clamping and fixing a special-shaped workpiece by utilizing gravity, which comprises a bottom plate base, a supporting component and a clamping jaw component, wherein the supporting component and the clamping jaw component are arranged on the bottom plate base and can provide pre-tightening force upwards; when a workpiece is placed on the supporting component, the clamping claw component automatically clamps the workpiece by matching with the supporting component by utilizing the lever principle.

Furthermore, the supporting component comprises two V-shaped supporting blocks, the two V-shaped supporting blocks are respectively arranged on two axial sides of the workpiece and are fixedly connected to the bottom plate base through a positioning column provided with continuous saw teeth on the bottom plate base; the positioning columns are symmetrically arranged on the two transverse sides of the V-shaped supporting block.

Furthermore, the supporting component also comprises two supporting plates which are symmetrically arranged at two transverse sides of the workpiece and are respectively connected and fixed between the two V-shaped supporting blocks.

Furthermore, clamping claw components are further arranged between the V-shaped supporting blocks, and the clamping claw components are symmetrically arranged on the two transverse sides of the workpiece and fixed on the base plate.

Furthermore, the clamping jaw assembly comprises a clamping jaw, a linkage supporting rod with an angle and a roller, wherein the roller is installed at the tail end of the linkage supporting rod and can be supported on the supporting plate in a rolling mode.

Furthermore, the outer sides of the V-shaped supporting blocks are respectively provided with auxiliary clamping pieces for assisting in clamping the workpiece.

Furthermore, locking mechanisms used for limiting locking of the supporting components are further arranged on the V-shaped supporting blocks, and the locking mechanisms are respectively arranged on the two transverse sides of the V-shaped supporting blocks.

Furthermore, the locking mechanism comprises a stop sleeve, a handle stop pin with an acute angle at the front end and a spring for providing pre-tightening force for the stop pin, and the handle stop pin is matched with the continuous saw teeth on the positioning column for limiting.

Furthermore, springs are sleeved on positioning columns between the V-shaped supporting blocks and the base plate base.

The utility model has the advantages that:

the utility model discloses in the clamping device that provides can directly utilize work piece gravity to press from both sides tightly and fix the work piece when using, can loosen convenient operation again automatically when lifting by crane the work piece. When the workpiece is transported, the device and the workpiece can be directly transported integrally, and the transporting process is simple and convenient. The device can effectively reduce the potential safety hazard when the workman operates, is applicable in various different sex work pieces and products simultaneously at the device, can practice thrift manufacturing running cost by a wide margin, increases higher economic benefits.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the operation of the present invention

FIG. 3 is a schematic view of the structure of the clamping assembly

FIG. 4 is an exploded view and an assembled view of the locking mechanism

Detailed Description

As shown in fig. 1, the clamping device for self-clamping and fixing a special-shaped workpiece by using gravity of the embodiment includes a base plate 1, a supporting assembly and a clamping jaw assembly 3, wherein the supporting assembly is mounted on the base plate and can provide a pre-tightening force upwards; when a workpiece is placed on the supporting component, the clamping claw component automatically clamps the workpiece by matching with the supporting component by utilizing the lever principle. Adopt the valve body work piece as the example in this example, when the valve body was placed on the supporting component, utilize valve body self weight to push down the supporting component is whole, and the supporting component transmits the effort to the clamping jaw subassembly on, directly encases the work piece through lever principle clamping jaw, can realize that the device is held tightly to the automation of valve body. In this embodiment, the support assembly may be any platform capable of placing the valve body, such as a support platform with a guard rail, a support platform with a V-shaped groove, and a support platform with an arc-shaped groove, which is not described herein again.

Referring to fig. 1 and 2, in the present embodiment, the supporting component mainly uses two V-shaped supporting blocks 2 to form a main supporting framework, the two V-shaped supporting blocks are respectively disposed on two axial sides of the workpiece, and are connected and fixed on the bottom plate base through a positioning column 5 having continuous saw teeth on the bottom plate base 1; the positioning columns are symmetrically arranged on two transverse sides of the V-shaped supporting block. Two V-shaped supporting blocks are fixed on the base plate through 4 positioning columns, so that the V-shaped supporting blocks and the base plate are integrated. Only need put the device on the tray when carrying out the valve body and transporting, utilize fork truck to transport the tray and can transport the device and special-shaped valve body together, reduced the step of special-shaped valve body repeated hoist and mount when transporting, saved manufacturing running cost.

In this embodiment, the supporting component further includes two supporting plates 4, and the supporting plates are symmetrically disposed on two lateral sides of the workpiece and respectively connected and fixed between the two V-shaped supporting blocks 2. The backup pad is after the V type opening direction carries out 45 slopes along the level, directly forms the supporting component main part through two connecting rods with two V type supporting shoes. The valve body placing area formed by the V-shaped supporting block and the supporting plate is of a V-shaped hollow structure and can be suitable for fixing valve bodies with various caliber specifications.

In the embodiment, clamping jaw components 3 are further arranged between the V-shaped supporting blocks, and are symmetrically arranged on two transverse sides of the workpiece and fixed on the baseplate base 1. The clamping jaw assembly in the embodiment is mainly used for fixedly clamping a workpiece, and the clamping jaw assembly can work in modes of an induction control type clamping assembly, a manual control type clamping assembly, a lever principle clamping assembly utilizing self weight and the like, and is not described again.

Referring to fig. 2 and 3, the clamping assembly of the present embodiment mainly uses the principle of leverage to achieve the purpose of clamping a workpiece, and the clamping jaw assembly includes a clamping jaw 301, a linkage supporting rod 302 with an angle, and a roller 303, which is mounted at the tail end of the linkage supporting rod and is rollably supported on the supporting plate 4. The supporting component moves downwards integrally by utilizing the dead weight of the valve body, and the supporting plate contacts with the roller of the clamping jaw component. The supporting plate transmits acting force to the linkage supporting rod by using the roller until the clamping claw completely embraces the valve body. The mode can be used for simply and quickly clamping and fixing the valve body without carrying out complex operation, so that the time is saved for placing and transferring the valve body, and the repeated work of lifting equipment is avoided.

In this embodiment, the outer sides of the V-shaped supporting blocks are respectively provided with a secondary clamping member for assisting in clamping a workpiece. As shown in figure 1, in order to ensure that the valve body is safer in the transferring process and reduce the potential safety hazard of the sliding of the valve body, auxiliary clamping pieces are arranged on the front side and the rear side of the valve body. After the valve body is automatically embraced, a worker only needs to screw down the screws on the auxiliary clamping pieces, and the valve body can be fixed in four directions, so that the risk that the valve body slips off in the process of storage or transportation is reduced.

In this embodiment, the V-shaped support block is further provided with locking mechanisms 6 for limiting the locking of the support assembly, and the locking mechanisms are respectively arranged on two lateral sides of the V-shaped support block 2. The locking mechanism is mainly used for limiting the locked support assembly, so that the valve body can not shake in the storage and transfer processes, and potential safety hazards are caused. Locking mechanism need distribute around supporting component, ensures can stabilize the locking, and locking mechanism can adopt slide wedge locking mechanism, stop pin locking mechanism and axle locking mechanism, and the no longer repeated description here.

As shown in fig. 4, in this embodiment, a stop pin locking mechanism is mainly adopted, the locking mechanism includes a stop sleeve 603, a handle stop pin 601 whose front end is an acute angle, and a spring 602 providing a pre-tightening force to the stop pin, and the handle stop pin is in a fit position with the continuous serrations on the positioning column. Through the cooperation of the acute angle on the handle stop pin directly with continuous sawtooth on the reference column, can be held the back at the valve body and manually lock supporting component fixedly for the valve body is more stable when depositing and transporting, can not be because of rocking the landing.

In this embodiment, springs 8 are sleeved on the positioning columns between the V-shaped supporting blocks 2 and the bottom plate base 1. When the spring is mainly used for lifting the valve body, after the locking mechanism and the auxiliary clamping piece are opened, the spring can provide upward pretightening force along with the lifting of the crane, and at the moment, the clamping jaw assembly can automatically loosen the valve body. Through this mode, the workman can be more convenient simultaneously safer when loosening the operation of lifting by crane.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (9)

1. The utility model provides an utilize gravity from clamping-fixing clamping device of dysmorphism work piece which characterized in that: the clamping device comprises a base plate, a supporting component and a clamping jaw component, wherein the supporting component and the clamping jaw component are arranged on the base plate and can provide pre-tightening force upwards; when a workpiece is placed on the supporting component, the clamping claw component automatically clamps the workpiece by matching with the supporting component by utilizing the lever principle.

2. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 1, wherein: the supporting component comprises two V-shaped supporting blocks, the two V-shaped supporting blocks are respectively arranged on two axial sides of the workpiece and are fixedly connected on the bottom plate base through positioning columns with continuous saw teeth arranged on the bottom plate base; the positioning columns are symmetrically arranged on the two transverse sides of the V-shaped supporting block.

3. The clamping device for fixing the special-shaped workpiece by utilizing gravity self-clamping as claimed in claim 2, characterized in that: the supporting component further comprises two supporting plates, and the supporting plates are symmetrically arranged on two transverse sides of the workpiece and are respectively connected and fixed between the two V-shaped supporting blocks.

4. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 3, wherein: and clamping claw components are further arranged between the V-shaped supporting blocks, are symmetrically arranged on the two transverse sides of the workpiece and are fixed on the base plate.

5. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 4, wherein: the clamping jaw assembly comprises a clamping jaw, a linkage supporting rod with an angle and a roller, and the roller is mounted at the tail end of the linkage supporting rod and can be supported on the supporting plate in a rolling mode.

6. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 4, wherein: and the outer sides of the V-shaped supporting blocks are respectively provided with an auxiliary clamping piece for assisting in clamping a workpiece.

7. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 6, wherein: and the V-shaped supporting block is also provided with locking mechanisms for limiting locking of the supporting components, and the locking mechanisms are respectively arranged at the two transverse sides of the V-shaped supporting block.

8. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 7, wherein: the locking mechanism comprises a stop sleeve, a handle stop pin with an acute angle at the front end and a spring for providing pre-tightening force for the stop pin, and the handle stop pin is matched with continuous sawteeth on the positioning column for limiting.

9. The clamping device for self-clamping and fixing the special-shaped workpiece by using gravity as claimed in claim 8, wherein: and springs are sleeved on the positioning columns between the V-shaped supporting blocks and the base plate base.

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