Automatic product positioning clamp

Abstract

The utility model discloses an automatic product positioning clamp which comprises a base, a carrying table used for product positioning is arranged on the base, a first limiting block and a second limiting block are arranged on the edges of the two sides of the carrying table, and a first positioning block and a second positioning block which can move horizontally are arranged on the other two sides of the carrying table. The base is provided with a driving air cylinder and a push plate which is fixedly connected with the driving air cylinder and used for pushing the first positioning block and the second positioning block to move horizontally. The push plate is connected with an inclined plate, the second positioning block is fixedly connected with a cam plate, a cam is fixedly arranged at the end of the cam plate, and the inclined plate is provided with an inclined face which is attached to the cam and used for pushing the cam to move. The two positioning blocks are synchronously driven by the same driving air cylinder to move, rapid positioning of a product in the front-back direction and the left-right direction is achieved, operation is easy, and cost is low.

Description

Technical Field

[0001] The utility model relates to an automatic product positioning fixture, belonging to the technical field of automation equipment. Background Art

[0002] During the processing of products, it is usually necessary to locate the processing position of the products. During the positioning process, the four directions of the products need to be positioned. The existing positioning method usually adopts fixed limit blocks on both sides, and separate drive devices on the other two sides to push the product to move until it contacts the limit blocks on both sides to complete the positioning. However, this positioning method requires the use of two sets of drive devices, and the cost of implementation is relatively high. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an automatic product positioning fixture, which realizes rapid positioning of the product in front and back and left and right directions by adopting the same driving cylinder to synchronously drive two positioning blocks to move, with simple operation and low cost.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A product automatic positioning fixture comprises a base, a carrier for product positioning is arranged on the base, a first limit block and a second limit block are arranged at the two side edges of the carrier, and a first positioning block and a second positioning block that can be moved horizontally are arranged on the other two sides, a driving cylinder is arranged on the base, and a push plate fixedly connected to the driving cylinder and used for pushing the first positioning block and the second positioning block to move horizontally; wherein, an inclined plate is connected to the push plate, a cam plate is fixedly connected to the second positioning block, a cam is fixedly arranged at the end of the cam plate, and an inclined surface is arranged on the inclined plate, which is in contact with the cam and is used for pushing the cam to move.

[0006] The aforementioned automatic product positioning fixture is characterized in that a waist-shaped groove is provided at the connection between the inclined plate and the push plate.

[0007] The aforementioned product automatic positioning fixture is characterized in that a first fixed block is also provided on the base, a first connecting rod passing through the push plate is provided between the first fixed block and the first positioning block, and a first spring is provided on the first connecting rod portion between the push plate and the first positioning block.

[0008] The aforementioned automatic product positioning fixture is characterized in that a positioning pin is further provided on the first connecting rod portion between the push plate and the first fixed block, and a second spring is further provided on the first connecting rod portion between the positioning pin and the push plate.

[0009] The aforementioned automatic product positioning fixture is characterized in that a second fixing block is also provided on the base, and a second connecting rod passing through the second fixing block is provided on the second positioning block.

[0010] The aforementioned automatic product positioning fixture is characterized in that: the end of the second connecting rod is fixedly connected to an end plate, and a third spring is arranged on the second connecting rod portion between the end plate and the second fixed block.

[0011] The beneficial effects of the utility model are:

[0012] 1. By using the same driving cylinder to synchronously drive the two positioning blocks to move, the product can be quickly positioned in the front and back and left and right directions, which is simple to operate and low cost;

[0013] 2. By setting a buffer spring at the positioning block on one side, after the positioning block is clamped in place, when the product needs to retreat due to the action of the positioning block on the other side, the retreat can be achieved by compressing the buffer spring, and after the force disappears, the buffer spring can be used to reposition the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of an automatic positioning fixture for a product of the utility model;

[0015] Figure 2 It is a top view of an automatic product positioning fixture of the utility model. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] like Figure 1 and Figure 2 As shown, a product automatic positioning fixture, an automatic product positioning fixture, includes a base 10, a carrier for positioning a product 20 is arranged on the base 10, a first limit block 130 and a second limit block 140 are arranged at the two side edges of the carrier, and a first positioning block 50 and a second positioning block 60 that can be horizontally moved are arranged on the other two sides, a driving cylinder 40 and a push plate 30 fixedly connected to the driving cylinder 40 for pushing the first positioning block 50 and the second positioning block 60 to move horizontally are arranged on the base 10; wherein, an inclined plate 100 is connected to the push plate 30, a cam plate 110 is fixedly connected to the second positioning block 60, a cam 111 is fixedly arranged at the end of the cam plate 110, and an inclined surface is arranged on the inclined plate 100, which is in contact with the cam 111 and is used to push the cam 111 to move.

[0018] When the positioning fixture is used for positioning, the push plate 30 is pushed to move horizontally by driving the cylinder 40. During the horizontal movement of the push plate 30, the first positioning block 50 and the inclined plate 100 are synchronously driven to move horizontally. During the horizontal movement of the inclined plate 100, the contact between its inclined surface and the cam 111 is utilized. During the movement, due to the change in the position of the inclined surface, the cam plate 110 is gradually pushed to move, thereby driving the second positioning block 60 fixedly connected thereto to move, thereby realizing the positioning of the product in two directions.

[0019] In this embodiment, the base 10 is further provided with a first fixing block 70, and a first connecting rod 80 passing through the push plate 30 is provided between the first fixing block 70 and the first positioning block 50, and a first spring 82 is provided on the first connecting rod portion between the push plate 30 and the first positioning block 50. During the horizontal movement of the push plate 30, the first positioning block 50 is pushed to move by the first spring 82. During this pushing process, due to the presence of the first spring 82, the contact between the first positioning block 50 and the product is a flexible contact process rather than a hard contact, thereby avoiding damage to the product due to excessive force during initial contact. After the first positioning block 50 drives the product to be positioned in this direction, if the second positioning block 60 in its positioning direction requires the product to give way in the positioning direction of the first positioning block 50, it can also be retreated by compressing the first spring 82, and after the force disappears, the first spring 82 can be used to reposition the product, thereby effectively avoiding deformation and damage to the product during the positioning process.

[0020] A waist-shaped groove 101 is provided at the connection between the inclined plate 100 and the push plate 30. During assembly, the fixed positions of the inclined plate 100 and the push plate 30 can be adjusted as needed to ensure that the push-out of the driving cylinder 40 can achieve synchronous positioning of the product in two directions, reducing the requirements for the fixture processing accuracy.

[0021] A positioning pin 81 is also provided on the first connecting rod portion between the push plate 30 and the first fixing block 70, and a second spring 83 is also provided on the first connecting rod portion between the positioning pin 81 and the push plate 30. During the resetting process, the push plate 30 drives the second spring 83 to realize the resetting of the first positioning block 50, and during the resetting process, it is also a flexible force.

[0022] The base 10 is also provided with a second fixing block 90, and the second positioning block 60 is provided with a second connecting rod passing through the second fixing block 90. ​​The end of the second connecting rod is fixedly connected to an end plate 120, and a third spring 92 is provided on the second connecting rod portion between the end plate 120 and the second fixing block 90. ​​When the second positioning block 60 needs to be reset after positioning is completed, the elastic force of the compressed third spring 92 can be used for reset.

[0023] In summary, the utility model provides an automatic product positioning fixture, which uses the same driving cylinder to synchronously drive the two positioning blocks to move, thereby achieving rapid positioning of the product in the front and back and left and right directions, with simple operation and low cost.

[0024] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A product automatic positioning fixture, comprising a base (10), wherein the base (10) is provided with a platform for positioning a product (20), wherein two side edges of the platform are provided with a first limit block (130) and a second limit block (140), and the other two sides are provided with a first positioning block (50) and a second positioning block (60) that can be moved horizontally, wherein: The base (10) is provided with a driving cylinder (40) and a push plate (30) fixedly connected to the driving cylinder (40) and used for pushing the first positioning block (50) and the second positioning block (60) to move horizontally; wherein: The push plate (30) is connected to an inclined plate (100), the second positioning block (60) is fixedly connected to a cam plate (110), a cam (111) is fixedly provided at the end of the cam plate (110), and the inclined plate (100) is provided with an inclined surface that fits the cam (111) and is used to push the cam (111) to move.

2. The automatic product positioning fixture according to claim 1, characterized in that: A waist-shaped groove (101) is provided at the connection between the inclined plate (100) and the push plate (30).

3. The automatic product positioning fixture according to claim 1, characterized in that: A first fixing block (70) is also provided on the base (10); a first connecting rod (80) passing through the push plate (30) is provided between the first fixing block (70) and the first positioning block (50); and a first spring (82) is provided on the first connecting rod portion between the push plate (30) and the first positioning block (50).

4. The automatic product positioning fixture according to claim 3, characterized in that: A positioning pin (81) is also provided on the first connecting rod portion between the push plate (30) and the first fixing block (70), and a second spring (83) is also provided on the first connecting rod portion between the positioning pin (81) and the push plate (30).

5. The automatic product positioning fixture according to claim 1, characterized in that: A second fixing block (90) is also provided on the base (10), and a second connecting rod passing through the second fixing block (90) is provided on the second positioning block (60).

6. The automatic product positioning fixture according to claim 5, characterized in that: The end of the second connecting rod is fixedly connected to an end plate (120), and a third spring (92) is provided on the second connecting rod portion between the end plate (120) and the second fixed block (90).

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