CN209190568U - A kind of constant force grip device of compatible multi-product - Google Patents

Abstract

The utility model discloses a constant force fixture device compatible with multiple products, which comprises: a turntable; a plurality of fixture fixtures, which are evenly arranged along the circumference of the turntable, and are used to place products; a plurality of product clamping components, which are connected with a plurality Corresponding setting of the fixture tooling, the product clamping components are arranged along the length direction of the fixture tooling to clamp the product in the fixture tooling, the product clamping components include a guide rail, a clamping block slidingly arranged on the guide rail, and a clamping block set on the The unlocking block and the clamping block clamp the product in the fixture tooling; multiple magnetic force spring components are set corresponding to multiple fixture tooling, which include a spring fixing seat and a magnetic force spring set on the spring fixing seat. The spring rod of the spring is connected with the unlocking block; and the unlocking component is used to push the unlocking block to drive the clamping block away from the fixture tooling, so as to feed materials into the fixture tooling. The clamp device provided by the utility model can maintain a constant clamping force and improve production efficiency.

Description

A constant force fixture device compatible with multiple products

technical field

The utility model belongs to the technical field of clamps, in particular to a constant force clamp device compatible with multiple products.

Background technique

Automation equipment usually needs to design different fixtures according to the differences of different test products. Before testing and assembling different products, the corresponding fixtures need to be replaced. This process is cumbersome, especially when the equipment is a multi-station turntable equipment, there are usually 6-12 sets of fixtures on a turntable, which requires a lot of time for model change. And the changeover process is prone to errors. Once a certain station forgets to replace the correct fixture, it will cause accidents such as crashes. A large number of sensors are required to detect the foolproof position of the fixture, which is costly.

For product differences, the dimensions in the width direction are the same, but the dimensions in the length direction are different. In order to improve the compatibility of the fixture, a double-layer guide rail design is usually used. The first layer of guide rails is used to manually or electrically adjust the reference length of the fixture according to the length of the product. The second layer of rails is used to provide clamping force against the product. Double-layer guide rails are used together, the first layer adjusts the length to adapt to different product lengths, and the second layer keeps the compression constant, that is, provides a constant spring clamping force. With the design of double-layer guide rails, although the main body of the fixture does not need to be disassembled and replaced, it is still necessary to manually or electric cylinder drive the first layer of guide rails to switch fixtures. It always needs to be shut down for model replacement, and the structure is complex, making subsequent maintenance difficult.

Utility model content

The purpose of the utility model is to provide a constant force clamping device compatible with multiple products, which is suitable for clamping products with the same width and different lengths, and can maintain a constant force clamping force.

Based on the above problems, the technical solution provided by the utility model is:

A constant force fixture device compatible with multiple products, comprising:

a turntable connected to and rotated by the turntable drive;

A plurality of clamping fixtures, which are evenly arranged along the circumference of the turntable, are used to place products;

A plurality of product clamping assemblies, which are arranged corresponding to the plurality of clamping fixtures, the product clamping assemblies are arranged along the length direction of the clamping fixtures, and are used to clamp products in the clamping fixtures, and the product clamping The clamping assembly includes a guide rail, a clamping block slidably disposed on the guide rail, and an unlocking block disposed on the clamping block, and the clamping block clamps the product in the fixture tooling;

A plurality of magnetic force spring assemblies, which are arranged correspondingly to the plurality of fixture tooling, include a spring holder and a magnetic spring arranged on the spring holder, and the spring rod of the magnetic spring is connected to the unlocking block ;and

The unlocking component is used to push the unlocking block to drive the clamping block away from the clamp tool, so as to facilitate loading into the clamp tool.

In some of the embodiments, the unlocking assembly includes a supporting device, and an unlocking block driving part arranged on the supporting device, and the unlocking block driving part pushes the unlocking block, thereby driving the clamping block to move .

In some of the embodiments, the support device includes a base, a support block disposed on the base, and a connection block disposed on the upper end of the support block, and the unlocking block driving part is fixed on the connection block .

In some of the embodiments, the unlocking block driving part is an electric cylinder, and the power output end of the electric cylinder is provided with a pushing block, and the pushing block abuts against the unlocking block.

In some of the embodiments, the pushing block extends along a direction perpendicular to the driving direction of the electric cylinder.

In some of the embodiments, the clamping tool is in the shape of a strip, and the upper end surface of the clamping tool has a limiting groove for placing the product and sliding the clamping block.

In some of the embodiments, the lower end surface of the clamping block is provided with a slide block, and the slide block is provided with a slide groove matched with the guide rail.

In some of the embodiments, the unlocking block includes a fixing part and an unlocking part, the fixing part is detachably connected to the clamping block, and the unlocking part is connected to the fixing part in an L shape.

In some of the embodiments, the spring fixing seat includes a mounting part and support parts arranged on both sides of the mounting part in the longitudinal direction, the supporting part is fixed on the turntable, and the mounting part is provided with Fixing holes for magnetic springs to pass through.

Compared with the prior art, the utility model has the advantages of:

1. Adopting the technical solution of the utility model, the clamping block is pushed away from the clamping tool by the unlocking component to facilitate placing the product, and then the unlocking component is retracted, and the clamping block moves to the product position under the action of the magnetic spring to clamp the product , the device is suitable for clamping products of the same width and different lengths. The magnetic spring can provide constant clamping force for products of different lengths, and can maintain effective clamping without damaging the products;

2. Adopting the technical solution of the present invention, using the magnetic spring as the source of constant force, combined with the single-layer guide rail, can realize automatic constant force clamping of products with the same width and different lengths, and optimize the original double-layer guide rail into a single-layer structure , the structure is simpler and more reliable, single-layer structure guide rail, when the product is changed, there is no need to stop, it can be seamlessly connected, and it is directly compatible with different products to improve production efficiency;

3. With the technical solution of the present invention, the magnetic spring is currently used in conjunction with the Z-axis linear motor to balance the load on the Z-axis and to avoid the load from falling after the linear motor is powered off. In the present invention, the magnetic spring is used for the fixture. In order to achieve constant force clamping of products of different lengths.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. The accompanying drawings in the following description are only some embodiments of the utility model. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a schematic structural view of an embodiment of a constant force fixture device compatible with multiple products of the present invention;

Fig. 2 is a structural schematic diagram of the middle-mounted fixture and the product clamping assembly in the embodiment of the utility model;

Fig. 3 is the structural representation of magnetic force spring assembly in the utility model embodiment;

Fig. 4 is a schematic structural diagram of an unlocking component in an embodiment of the present invention;

in:

1. Turntable;

2. Fixture tooling; 2-1. Limit groove;

3. Product clamping assembly; 3-1, guide rail; 3-2, clamping block; 3-3, unlocking block; 3-3a, fixed part; 3-3b, unlocking part; 3-4, slider;

4. Magnetic spring assembly; 4-1, spring fixing seat; 4-1a, installation part; 4-1b, support part; 4-2, magnetic spring;

5. Unlocking component; 5-1, base; 5-2, supporting block; 5-3, connecting block; 5-4, unlocking block driving part; 5-5, pushing block;

6. Products.

Detailed ways

The above solution will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are used to illustrate the utility model and not limit the scope of the utility model. The implementation conditions used in the examples can be further adjusted according to the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.

Referring to Figures 1-4, it is a structural schematic diagram of the utility model, which provides a constant force fixture device compatible with multiple products, including a turntable 1, a plurality of fixture fixtures 2 arranged on the turntable 1, and a plurality of fixture fixtures 2 correspondingly arranged A plurality of product clamping assemblies 3, a plurality of magnetic force spring assemblies 4 corresponding to the plurality of fixtures 2, and an unlocking assembly 5. The turntable 1 is connected to the turntable drive device and rotates under the drive of the turntable drive device. The connection between the turntable 1 and the turntable drive device is an existing technology. For example, the turntable drive device can use a motor, and the present invention will not repeat them here.

A plurality of fixtures 2 are evenly arranged along the circumference of the turntable 1 for placing products. The product clamping assembly 3 is arranged along the length direction of the fixture tooling 2 to clamp the product 6 in the clamping tooling 2. The product clamping assembly 3 includes a guide rail 3-1 and a clamping block 3 slidingly arranged on the guide rail 3-1 -2, and the unlocking block 3-3 arranged on the clamping block 3-2, wherein the clamping block 3-2 clamps the product 6 in the fixture tooling 2.

The magnetic spring assembly 4 includes a spring fixing seat 4-1 and a magnetic spring 4-2 arranged on the spring fixing seat 4-1. The spring rod of the magnetic spring 4-2 is connected with the unlocking block 3-3. The unlocking block 3-3 makes the clamping block 3-2 clamp the product 6 in the fixture tooling 2 under the elastic force of the magnetic spring 4-2. The unlocking assembly 5 is used to push the unlocking block 3-3 to drive the clamping block 3-2 away from the clamp tool 2, so that the clamp tool 2 is in a state to be loaded, so that the product 6 can be put into the clamp tool 2.

The spring holder 4-1 includes a mounting part 4-1a and a supporting part 4-1b arranged on both sides in the longitudinal direction of the mounting part 4-1a. The supporting part 4-1b is fixed on the turntable 1, and the mounting part 4-1a is provided There is a fixing hole for the magnetic force spring 4-2 to pass through, and the cylinder body of the magnetic force spring 4-2 passes through the fixed block and is fixed on the installation part 4-1a.

Wherein, the unlocking assembly 5 includes a supporting device and an unlocking block driving part 5-4 disposed on the supporting device, the unlocking block driving part 5-4 can push the unlocking block 3-3 to move, and then drive the clamping block 3-2 to move. The supporting device includes a base 5-1, a support block 5-2 arranged on the base 5-1, and a connecting block 5-3 arranged on the supporting block 5-2, and the unlocking block driving part 5-4 is fixed on the connecting block 5 -3 on. Preferably, the unlocking block driving part 5-4 is an electric cylinder, and the power output end of the electric cylinder is provided with a pushing block 5-5, and the pushing block 5-5 abuts against the unlocking block 3-3. In this example, the push block 5-5 extends in a direction perpendicular to the driving direction of the electric cylinder.

The fixture tooling 2 is in the shape of a long strip. This device is suitable for clamping products 6 with the same width and different lengths. The upper end surface of the fixture tooling 2 is provided with a limiting recess for placing the product 6 and sliding the clamping block 3-2. Slot 2-1.

A slide block 3-4 is provided on the lower end surface of the clamping block 3-2, and a chute matched with the guide rail 3-1 is provided on the lower end surface of the slide block 3-4. The stroke of the guide rail 3-1 can be set according to the length of the product. Certainly.

In this example, the unlocking block 3-3 includes an L-shaped fixed part 3-3a and an unlocking part 3-3b. The fixed part 3-3a is detachably connected to the clamping block 3-2, so that it can be used according to the length of the product. Adjust the stroke of the clamping block 3-2.

The working principle of the utility model is:

The electric cylinder drives the pushing block 5-5 and pushes the unlocking block 3-3, thereby driving the clamping block 3-2 back to the waiting position for loading, and then places the product 6 in the fixture tooling 2, the electric cylinder retracts, and the clamping block 3 -2 moves forward under the elastic force of the magnetic spring 4-2, and stops at the product 6, maintains a constant clamping force on the product 6, then the turntable 1 rotates, and the fixture tooling 2 that fixes the product 6 rotates to the bottom At the first station, the jig tooling 2 without the product 6 is switched to the loading station, and so on, to complete the loading of all the jig tooling 2.

The above examples are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to allow people familiar with this technology to understand the content of the present utility model and implement it accordingly, and cannot limit the protection scope of the present utility model with this. All equivalent transformations or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (9)

1. a kind of constant force grip device of compatible multi-product characterized by comprising

Turntable (1) is connected to rotating blade drive and rotates under rotating blade drive drive；

Multiple clamp fixtures (2), are arranged circumferentially along the turntable (1), for placing product (6)；

Multiple clamping product components (3), are correspondingly arranged with the multiple clamp fixture (2), clamping product component (3) edge Clamp fixture (2) the length direction arrangement, product (6) to be clamped in the clamp fixture (2), the clamping product Component (3) includes guide rail (3-1), the gripping block (3-2) being slidably arranged on the guide rail (3-1) and is arranged in the clamping Product (6) is clamped in the clamp fixture (2) by the solution closing piece (3-3) on block (3-2), the gripping block (3-2)；

Multiple magnetic spring components (4), are correspondingly arranged comprising spring fixed seat (4- with the multiple clamp fixture (2) 1) and magnetic spring (4-2) on the spring fixed seat (4-1), the spring lever of the magnetic spring (4-2) and institute be set Solution closing piece (3-3) is stated to be connected；And

It solves lock set (5), is used to push the solution closing piece (3-3) to drive the gripping block (3-2) far from the fixture work It fills (2), in order to toward the clamp fixture (2) interior feeding.

2. the constant force grip device of compatible multi-product according to claim 1, it is characterised in that: the solution lock set (5) Including support device and the solution closing piece driving part (5-4) being arranged in the support device, the solution closing piece driving part (5-4) pushes the solution closing piece (3-3), and then drives the gripping block (3-2) mobile.

3. the constant force grip device of compatible multi-product according to claim 2, it is characterised in that: the support device includes The company of pedestal (5-1), the supporting block (5-2) being arranged on the pedestal (5-1) and setting in the upper end the supporting block (5-2) It connects block (5-3), the solution closing piece driving part (5-4) is fixed on the link block (5-3).

4. the constant force grip device of compatible multi-product according to claim 3, it is characterised in that: the solution closing piece driving portion Part (5-4) is electric cylinders, and the power output end of the electric cylinders is equipped with pushing block (5-5), the pushing block (5-5) and the solution closing piece (3-3) is abutted against.

5. the constant force grip device of compatible multi-product according to claim 4, it is characterised in that: the pushing block (5-5) Extend along with the perpendicular direction of the driving direction of the electric cylinders.

6. the constant force grip device of compatible multi-product according to claim 1, it is characterised in that: the clamp fixture (2) Elongated, the upper surface of the clamp fixture (2) has for placing product (6) and for the gripping block (3-2) sliding Limiting groove (2-1).

7. the constant force grip device of compatible multi-product according to claim 1, it is characterised in that: the gripping block (3-2) Lower end surface be equipped with sliding block (3-4), the sliding block (3-4) is equipped with the sliding slot that cooperates with the guide rail (3-1).

8. the constant force grip device of compatible multi-product according to claim 1, it is characterised in that: the solution closing piece (3-3) Including fixed part (3-3a) and solution lock section (3-3b), the fixed part (3-3a) is detachably connected on the gripping block (3-2), The solution lock section (3-3b) connect L-shaped with the fixed part (3-3a).

9. the constant force grip device of compatible multi-product according to claim 1, it is characterised in that: the spring fixed seat (4-1) includes the support portion (4-1b) of mounting portion (4-1a) and setting in the mounting portion (4-1a) length direction two sides, described Support portion (4-1b) is fixed on the turntable (1), and the mounting portion (4-1a) is equipped with consolidates for what magnetic spring (4-2) passed through Determine hole.