Secondary positioning mechanism for carrying seat

Abstract

The utility model provides a secondary positioning mechanism for a carrier seat, which comprises a turntable carrier seat, a product carrier is arranged on the turntable carrier seat, a positioning bush is arranged at the bottom of the product carrier, a positioning pin matched with the positioning bush is arranged below the product carrier, and the turntable carrier seat is provided with a positioning pin matched with the positioning bush. A positioning cylinder for driving the positioning pin to reciprocate up and down is arranged on the positioning pin; according to the utility model, a to-be-assembled product is placed in the product carrier, when the turntable carrying seat rotates to the assembly station, the positioning cylinder drives the positioning pin to move upwards, so that the positioning pin is inserted into the positioning bush arranged at the bottom of the product carrier, the product carrier can be accurately positioned through the positioning pin, and the rigidity is good; and some high-precision assembly requirements can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of conveying equipment, and in particular relates to a secondary positioning mechanism for a carrier. Background Art

[0002] The automated assembly process of some products requires high-precision positioning of the products, which requires the conveying system to have high positioning accuracy. The positioning accuracy of large turntables and traditional conveying systems is poor, while the positioning accuracy of magnetic levitation conveying systems can meet the requirements, but the equipment cost is relatively high.

[0003] Therefore, it is necessary to design a low-cost secondary positioning mechanism for the carrier that can improve positioning accuracy to solve the current technical problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a low-cost secondary positioning mechanism for a carrier which can improve positioning accuracy.

[0005] The technical solution of the utility model is: a secondary positioning mechanism of a carrier, comprising a turntable carrier, a product carrier is arranged on the turntable carrier, a positioning bushing is arranged at the bottom of the product carrier, a positioning pin matching the positioning bushing is arranged below the product carrier, and a positioning cylinder is arranged on the positioning pin to drive it to move reciprocally up and down.

[0006] The positioning cylinder is equipped with a positioning seat, and the positioning seat is symmetrically provided with two positioning pins.

[0007] The product carrier is assembled on the top of the turntable carrier, the positioning bushing is fixedly embedded in the bottom of the product carrier, and a positioning hole corresponding to the positioning bushing is opened at the bottom of the turntable carrier.

[0008] Positioning rods are fixedly arranged on the tops of the four corners of the positioning seat, and through holes matching the positioning rods are opened on the bottom of the turntable carrier.

[0009] The tolerance of the positioning pin is h6, and the tolerance of the inner hole of the positioning bushing is H7.

[0010] The positioning cylinder is a cross roller slide cylinder.

[0011] Beneficial effects of the utility model:

[0012] (1) In the present invention, the product to be assembled is placed inside the product carrier. When the turntable carrier rotates to the assembly station, the positioning cylinder drives the positioning pin to move upward, so that the positioning pin is inserted into the positioning bushing provided at the bottom of the product carrier. The positioning pin can be used to position the product carrier more accurately, and has good rigidity, which can meet some high-precision assembly requirements;

[0013] (2) Simple installation and debugging, low cost, and easy to integrate into the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the structural schematic diagrams of the secondary positioning mechanism of the carrier in the utility model.

[0015] Figure 2 This is the second structural diagram of the secondary positioning mechanism of the carrier in the utility model.

[0016] Figure 3 for Figure 2 Cross-section view at AA in the middle. DETAILED DESCRIPTION

[0017] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is by no means intended to limit the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0018] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0019] like Figures 1 to 3As shown, the carrier secondary positioning mechanism includes a turntable carrier 1, on which a product carrier 2 is arranged, a positioning sleeve 3 is arranged at the bottom of the product carrier 2, a positioning pin 4 matching the positioning sleeve 3 is arranged below the product carrier 2, and a positioning cylinder 5 for driving the positioning pin 4 to reciprocate up and down is arranged; in this embodiment, the product to be assembled is placed inside the product carrier 2, and when the turntable carrier 1 is rotated to the assembly station, the positioning cylinder 5 drives the positioning pin 4 to move upward, so that the positioning pin 4 is inserted into the positioning sleeve 3 arranged at the bottom of the product carrier 2, and the product carrier 2 can be positioned more accurately through the positioning pin 4, and the rigidity is good, which can meet some high-precision assembly requirements; the installation and debugging are simple, the cost is low, and it is convenient to integrate into the equipment.

[0020] In some embodiments, the positioning cylinder 5 is equipped with a positioning seat 6, and the positioning seat 6 is symmetrically provided with two positioning pins 4. The corresponding product carrier 2 is provided with two positioning bushings 3 corresponding to the two positioning pins 4 respectively at the bottom. The two positioning pins 4 cooperate with the two positioning bushings 3 to further improve the positioning accuracy of the product carrier 2.

[0021] In some embodiments, the product carrier 2 is assembled on the top of the turntable carrier 1, and the positioning sleeve 3 is fixedly embedded in the bottom of the product carrier 2. A positioning hole 9 corresponding to the positioning sleeve 3 is opened at the bottom of the turntable carrier 1, and the positioning pin 4 passes through the positioning hole 9 and is inserted into the interior of the positioning sleeve 3.

[0022] In some embodiments, positioning rods 7 are fixedly provided on the tops of the four corners of the positioning seat 6, and the positioning rods 7 are vertically connected to the positioning seat 6 to form an integrated structure. A through hole 8 matching the positioning rod 7 is provided at the bottom of the turntable carrier 1. When the positioning pin 4 is inserted into the interior of the positioning bushing 3, the positioning rod 9 is inserted into the interior of the through hole 8. Through the supporting effect of the positioning rod 9, the force on the positioning pin 4 can be dispersed to avoid and improve stability.

[0023] In some embodiments, the tolerance of the locating pin 4 is h6, and the inner hole tolerance of the locating bushing 3 is H7. The position of the product carrier 2 after positioning is determined by the inserted locating pin 4. The positioning accuracy of the product carrier 2 is theoretically determined by the fitting clearance (H7 / h6) between the locating pin and the locating bushing. Taking into account the processing error and assembly error, the actual positioning accuracy can reach ±0.03mm.

[0024] In some embodiments, the positioning cylinder 5 is a cross roller slide cylinder, which has high positioning accuracy and good rigidity.

[0025] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0026] The above-mentioned embodiments only express some implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A secondary positioning mechanism for a carrier, characterized in that: It comprises a turntable carrier, on which a product carrier is arranged, a positioning sleeve is arranged at the bottom of the product carrier, a positioning pin matching the positioning sleeve is arranged below the product carrier, and a positioning cylinder is arranged on the positioning pin to drive it to move up and down.

2. The secondary positioning mechanism of the carrier according to claim 1, characterized in that: The positioning cylinder is equipped with a positioning seat, and the positioning seat is symmetrically provided with two positioning pins.

3. The secondary positioning mechanism of the carrier according to claim 2, characterized in that: The product carrier is assembled on the top of the turntable carrier, the positioning bushing is fixedly embedded in the bottom of the product carrier, and a positioning hole corresponding to the positioning bushing is opened at the bottom of the turntable carrier.

4. The secondary positioning mechanism of the carrier according to claim 2, characterized in that: Positioning rods are fixedly arranged on the tops of the four corners of the positioning seat, and through holes matching the positioning rods are opened on the bottom of the turntable carrier.

5. The secondary positioning mechanism of the carrier according to claim 1, characterized in that: The tolerance of the positioning pin is h6, and the tolerance of the inner hole of the positioning bushing is H7.

6. The secondary positioning mechanism of the carrier according to claim 1, characterized in that: The positioning cylinder is a cross roller slide cylinder.

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