A high-precision transfer positioning mechanism

Abstract

The utility model discloses a high precision's transfer positioning mechanism, it includes positioning board and drive module, be provided with a plurality of grooves on the positioning board, the adjacent two sides on the groove respectively fixedly be provided with first clamping block and second clamping block, the other adjacent two sides on the groove respectively movably be provided with third clamping block and fourth clamping block, drive module setting in the below of groove and drive third clamping block, fourth clamping block moves, and it includes first drive part and the moving frame that is driven by first drive part and moves horizontally, be provided with the first elastic component that is elastically connected with third clamping block and the second elastic component that is elastically connected with fourth clamping block on the moving frame. The utility model can guarantee the positioning accuracy of product, can reduce the scratch of product, deformation and other damage, improve yield, improve product yield significantly, especially suitable for the assembly of precision or fragile product.

Description

Technical Field

[0001] This utility model belongs to the field of product positioning technology, and in particular relates to a high-precision transfer positioning mechanism. Background Technology

[0002] Driven by the accelerating pace of consumer electronics iteration, the market demand for products composed of multiple precision units is experiencing explosive growth. Various types of precision units, such as precision FPCs and precision PCBs, are crucial in the assembly process. Precise positioning of these precision units during processing and handling is critical, determining the processing accuracy of subsequent steps and significantly impacting the quality and stability of the final product. Existing technologies employ various positioning mechanisms for placing products. Some mechanisms feature purely rigid contact positioning structures, which, while ensuring a certain level of accuracy, lack flexibility and adaptability to the diverse product specifications and complex operating conditions, often leading to production interruptions and increased costs. To address the issues of purely rigid contact, purely flexible contact positioning structures have been designed. While highly adaptable, these structures lack sufficient positioning accuracy and stability, failing to meet the stringent precision requirements of production processes.

[0003] To address the aforementioned issues, Chinese Patent Publication No. CN223174977U discloses a device for simultaneous product testing and feeding. This device includes a turntable and multiple positioning plates. The upper surface of each positioning plate has several product placement slots. Around each product placement slot are three movable limiting plates: a first movable limiting plate, a second movable limiting plate, a first fixed limiting plate, and a second fixed limiting plate. The first movable limiting plate is connected to a first spring, and the second movable limiting plate is connected to a second spring. Both springs are connected to push rods. A pushing device is located around the outer periphery of the turntable to push or disengage the push rod, thereby clamping or opening the movable and fixed limiting plates, thus achieving the actions of picking up and placing materials and positioning the products. However, in this scheme, the thrust device and the positioning plate are set separately. The thrust device is set on the outer periphery of the turntable, which can realize multi-station testing or assembly on the turntable. However, during product assembly, the product needs to be transferred between multiple stations to assemble multiple parts. The above scheme cannot achieve the intermediate positioning of the product. Therefore, it is urgent to design an intermediate positioning mechanism to achieve high-precision positioning of the product.

[0004] Therefore, it is necessary to provide a high-precision relay positioning mechanism to solve the above-mentioned technical problems. Utility Model Content

[0005] The main purpose of this utility model is to provide a high-precision transfer positioning mechanism that can not only ensure the positioning accuracy of the product, but also reduce scratches, deformation and other damage to the product, improve the yield, and significantly improve the product yield. It is especially suitable for the assembly of precision or fragile products.

[0006] This utility model achieves the above objective through the following technical solution: a high-precision transfer positioning mechanism, comprising: A positioning plate is provided with a plurality of slots, and a first clamping block and a second clamping block are fixedly provided on two adjacent sides of each slot, and a third clamping block and a fourth clamping block are movably provided on two other adjacent sides of each slot. A drive module, which is disposed below the slot and drives the third clamping block and the fourth clamping block to move, includes a first drive member and a moving frame that is driven by the first drive member to move horizontally. The moving frame is provided with a first elastic component that is elastically connected to the third clamping block and a second elastic component that is elastically connected to the fourth clamping block.

[0007] Furthermore, the first elastic component includes a first pull rod connected to the movable frame and a first elastic element with one end connected to the end of the first pull rod and the other end connected to the third clamping block.

[0008] Furthermore, the second elastic component includes a second pull rod connected to the movable frame, an arc-shaped track disposed at the end of the second pull rod, a roller rolling on the arc-shaped track, a first connecting block connected above the roller, and a second elastic element disposed at one end of the first connecting block. The other end of the first connecting block is connected to the fourth clamping block, and the second pull rod is located behind the first pull rod.

[0009] Furthermore, the thickness of the arc-shaped track increases from left to right.

[0010] Furthermore, the second elastic element is fixed to the side of the positioning plate by the first connecting piece.

[0011] Furthermore, the positioning plate is provided with a guide seat below the slot, and the guide seat is provided with a plurality of guide grooves. The plurality of guide grooves are respectively a first guide groove for the first pull rod, the first elastic element, and the third clamping block to move left and right simultaneously, a second guide groove for the second pull rod to move left and right, and a third guide groove for the first connecting block, the second elastic element, and the fourth clamping block to move back and forth simultaneously.

[0012] Furthermore, a fourth guide groove is provided on the front side of the first guide groove, and a third pull rod is movably disposed in the fourth guide groove. The third pull rod is connected to the movable frame, and the third pull rod and the second pull rod are symmetrically arranged on the front and rear sides of the first pull rod.

[0013] Furthermore, both the guide seat and the first driving member are fixed on the support plate, with the guide seat fixed on the upper surface of the support plate and the first driving member fixed on the lower surface of the support plate.

[0014] Furthermore, the positioning plate is provided with a plurality of first mounting holes for mounting the first clamping block and the second clamping block, and a plurality of second mounting holes for mounting the third clamping block and the fourth clamping block. The size of the second mounting holes is larger than the size of the third clamping block and the fourth clamping block, so as to form an active space for the third clamping block and the fourth clamping block to move.

[0015] Furthermore, the positioning plate is provided with guide blocks on the front and rear sides of the third clamping block to guide the product, and the guide blocks are located on the outer periphery of the groove.

[0016] Compared with the prior art, the advantages of this utility model's high-precision transfer positioning mechanism are as follows: (1) High-precision positioning and stability: The fixed first and second clamping blocks (rigid) are combined with the elastically movable third and fourth clamping blocks (flexible) to form a "double rigid + double flexible" composite clamping structure, which not only ensures the precise positioning of the product in the slot, but also avoids rigid impact through the elastic floating design, thereby improving positioning accuracy and repeatability; the design of the guide seat and multiple guide slots (first to fourth guide slots) further enhances the stability of the moving parts and prevents deflection; (2) Damage prevention and high yield: The third and fourth clamping blocks are connected to the drive module through springs (first elastic element and second elastic element) to achieve elastic clamping, which effectively avoids scratches, deformation and other damage to the product caused by overpressure or rigid contact during the clamping process, significantly improving the product yield, especially suitable for the assembly of precision or fragile products. (3) High-efficiency drive and space optimization: The drive module adopts a single cylinder (first drive component) to simultaneously control the clamping action in the left and right (third clamping block) and front and back (fourth clamping block) directions. The horizontal movement is converted into the front and back movement through the arc track and roller mechanism. The structure is compact and the action synchronization is strong. The method of installing the first drive component on the upper and lower parts of the support plate reduces the overall height and makes it easy to integrate into the production line. (4) Multifunctional adaptability and flexibility: The positioning plate is provided with multiple sets of slots and mounting holes to support the simultaneous positioning of multiple products; the design of the guide block can prevent the product from being placed off-center; Embodiments 2 and 3 further provide variations of the flexible connection method (such as the second connecting block), which can select different clamping strategies according to the product characteristics, thereby enhancing the applicability of the mechanism; (5) Reliability and ease of maintenance: The guide groove and tie rod work together to ensure accurate motion trajectory; the elastic element is fixed by the connecting piece for easy replacement; the overall modular design (such as guide seat and support frame) facilitates installation, debugging and maintenance, and is suitable for continuous production environment; Therefore, this device has outstanding advantages in positioning accuracy, product protection, production efficiency and adaptability, and is suitable for automated production lines in the fields of electronics and precision components. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the high-precision transfer positioning mechanism according to an embodiment of the present invention; Figure 2 A top view of the high-precision transfer positioning mechanism of this utility model after removing the support frame; Figure 3 This is a schematic diagram of the high-precision transfer positioning mechanism of this utility model after removing the support frame; Figure 4 This is an embodiment of the present utility model. Figure 3 A schematic diagram of the structure after removing the positioning plate; Figure 5 This is a schematic diagram of the drive module structure according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the drive module structure according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the positioning plate in an embodiment of the present utility model; Figure 8 This is a schematic diagram of the structure of the guide seat in an embodiment of the present utility model; The numbers in the diagram represent: 100-High precision transfer and positioning mechanism; 1-Positioning plate, 11-Groove, 12-First mounting hole, 13-Second mounting hole, 14-Movement space, 15-Guide block; 2-First clamping block; 3-Second clamping block; 4-Third clamping block; 5-Fourth clamping block; 6-Drive module, 61-First drive component, 62-Moving frame, 63-First elastic component, 631-First pull rod, 632-First elastic component, 64-Second elastic component, 641-Second pull rod, 642-Arc track, 643-Roller, 644-First connecting block, 645-Second elastic component, 646-First connecting piece, 647-Bolt, 65-Third pull rod, 66-Second connecting block; 7-Guide seat, 71-First guide groove, 72-Second guide groove, 73-Third guide groove, 74-Fourth guide groove; 8-Support plate; 9-Support frame. Detailed Implementation

[0018] Example 1: Please refer to Figures 1-8 Embodiment 1 is a high-precision transfer positioning mechanism 100, which includes a positioning plate 1. The positioning plate 1 is provided with a plurality of slots 11 for accommodating products. A first clamping block 2 and a second clamping block 3 are fixedly provided on two adjacent sides of the slots 11, and a third clamping block 4 and a fourth clamping block 5 are movably provided on two other adjacent sides of the slots 11. A driving module 6 is provided below each slot 11 to drive the third clamping block 4 and the fourth clamping block 5 to move closer to or further away from the first clamping block 2 and the second clamping block 3, respectively. That is, the number of driving modules 6 corresponds to the number of slots 11. The driving module 6 includes a first driving member 61 and a moving frame 62 driven by the first driving member 61 to move horizontally. The moving frame 62 is provided with a first elastic component 63 elastically connected to the third clamping block 4 and a second elastic component 64 elastically connected to the fourth clamping block 5.

[0019] The first elastic component 63 includes a first pull rod 631 connected to the movable frame 62 and a first elastic element 632 with one end connected to the end of the first pull rod 631 and the other end connected to the third clamping block 4.

[0020] The second elastic component 64 includes a second pull rod 641 connected to the movable frame 62, an arc-shaped track 642 disposed at the end of the second pull rod 641, a roller 643 rolling on the arc-shaped track 642, a first connecting block 644 connected above the roller 643, and a second elastic element 645 disposed at one end of the first connecting block 644. The other end of the first connecting block 644 is connected to the fourth clamping block 5. The second pull rod 641 is located behind the first pull rod 631, and the second pull rod 641 and the first pull rod 631 move left and right simultaneously. The first connecting block 644 is connected above the roller 643 by bolts 647.

[0021] In this embodiment, the first clamping block 2 and the second clamping block 3 are adjacent and respectively disposed on one long side and one short side of the product, and the third clamping block 4 and the fourth clamping block 5 are adjacent and respectively disposed on the other long side and the other short side of the product. That is, the first clamping block 2 and the third clamping block 4 are opposite each other left and right, and the second clamping block 3 and the fourth clamping block 5 are opposite each other front and back. The first elastic element 632 and the second elastic element 645 are both springs, which enable the third clamping block 4 and the fourth clamping block 5 to be elastically floated and positioned on the side of the product, thus avoiding damage to the product. The composite design of the fixed first clamping block 2 and the second clamping block 3 (double rigid) and the elastic third clamping block 4 and the fourth clamping block 5 (double flexible) can not only ensure the positioning accuracy of the product, but also reduce product damage, improve product yield, and thus improve product production efficiency.

[0022] The thickness of the arc track 642 increases from left to right. Therefore, when the first driving member 61 drives the moving frame 62 to move the second pull rod 641 horizontally to the left, the roller 643 rolls on the arc track 642. The roller 643 drives the first connecting block 644 to move backward, thereby moving the fourth clamping block 5 away from the second clamping block 3. At this time, the product can be placed in. Then, when the first driving member 61 drives the moving frame 62 to move the second pull rod 641 horizontally to the right, the roller 643 rolls in the opposite direction on the arc track 642, driving the first connecting block 644 to move forward, thereby moving the fourth clamping block 5 closer to the side of the product, realizing the clamping and positioning of the front and rear sides of the product.

[0023] The second elastic element 645 is fixed to the side of the positioning plate 1 by the first connecting piece 646. Specifically, the first connecting piece 646 is fixed to the side of the positioning plate 1 by screws, and then one end of the second elastic element 645 is connected to the first connecting piece 646, thereby realizing the installation and fixation of the second elastic element 645. The side of the positioning plate 1 is provided with mating holes that cooperate with the screws.

[0024] To ensure the stability of the movement of the third clamping block 4, the fourth clamping block 5, the first pull rod 631, the second pull rod 641, and the first connecting block 644, the positioning plate 1 is provided with a guide seat 7 below the groove 11. The guide seat 7 is provided with several guide grooves, namely, the first guide groove 71 for the first pull rod 631, the first elastic element 632, and the third clamping block 4 to move left and right simultaneously, the second guide groove 72 for the second pull rod 641 to move left and right, and the third guide groove 73 for the first connecting block 644, the second elastic element 645, and the fourth clamping block 5 to move back and forth simultaneously.

[0025] The second pull rod 641 is located behind the first pull rod 631. Therefore, the first guide groove 71 is positioned in the middle of the guide seat 7, and the second guide groove 72 and the third guide groove 73 are both located behind the guide seat 7. To ensure the stability of the guide seat 7 in the front-rear direction, a fourth guide groove 74 is provided in front of the first guide groove 71. A third pull rod 65 is movably installed in the fourth guide groove 74 and is connected to the movable frame 62. The third pull rod 65, the first pull rod 631, and the second pull rod 641 are connected in parallel to the movable frame 62. The third pull rod 65 and the second pull rod 641 are symmetrically arranged on the front and rear sides of the first pull rod 631, which also ensures the stability of the movable frame 6 in the left-right movement. Therefore, the third pull rod 65 and the fourth guide groove 74 can ensure the stability of the guide seat 7 in the front-rear direction and the stability of the movable frame 6 in the left-right movement, thereby achieving the stability of the entire positioning mechanism.

[0026] Both the guide seat 7 and the first driving component 61 are fixed to the support plate 8. The guide seat 7 is fixed to the upper surface of the support plate 8, and the first driving component 61 is fixed to the lower surface of the support plate 8. The first driving component 61 is laterally fixed to the lower surface of the support plate 8, which can reduce the overall height. The support plate 8 is set on the support frame 9. The support frame 9 is set to facilitate installation on the assembly line to clamp and position the products at each workstation, realizing the assembly of the products on the entire line.

[0027] In this embodiment, the first driving component 61 is a cylinder. In other embodiments, the first driving component 61 may be a motor or a driving component of other structures, depending on the actual situation, and is not limited here.

[0028] The positioning plate 1 is provided with a plurality of first mounting holes 12 for mounting the first clamping block 2 and the second clamping block 3, and a plurality of second mounting holes 13 for mounting the third clamping block 4 and the fourth clamping block 5. The first clamping block 2 and the second clamping block 3 are both interference-fitted with the first mounting holes 12 to achieve fixed installation between the first clamping block 2 and the second clamping block 3 and the positioning plate 1. The size of the second mounting holes 13 is larger than the size of the third clamping block 4 and the fourth clamping block 5 to form an active space 14 for the third clamping block 4 and the fourth clamping block 5 to move.

[0029] The positioning plate 1 has guide blocks 15 on the front and rear sides of the third clamping block 4 to guide the product. The guide blocks 15 are located on the outer periphery of the groove 11 to guide the product so that the product can be completely placed into the groove. This avoids problems such as the third clamping block 4 and the fourth clamping block 5 failing to perform clamping and positioning actions or damaging the product if the product is placed crookedly or in other positions.

[0030] When using the high-precision transfer positioning mechanism 100 provided by this solution, when a product needs to be placed in, the first driving member 61 drives the moving frame 62 to move to the left. The moving frame 62 drives the second pull rod 641 to move horizontally to the left. The roller 643 rolls on the arc track 642, and the roller 643 drives the first connecting block 644 to move backward, thereby moving the fourth clamping block 5 away from the second clamping block 3. The fourth clamping block 5 and the second clamping block 3 open back and forth. At the same time, the moving frame 62 drives the first pull rod 631 to move horizontally to the left, and the first elastic member 632 drives the third clamping block 4 away from the first clamping block 2. The third clamping block 4 and the first clamping block 2 open back and forth. 2. The door opens to the left and right, allowing the product to be placed inside. Then, the first driving component 61 drives the moving frame 62 to move to the right. As the moving frame 62 drives the second pull rod 641 to move horizontally to the right, the roller 643 rolls in the opposite direction on the arc track 642, causing the first connecting block 644 to move forward. This causes the fourth clamping block 5 to move closer to the side of the product, achieving clamping and positioning of the product on both the front and back sides. At the same time, the moving frame 62 drives the first pull rod 631 to move horizontally to the right, and the first elastic component 632 drives the third clamping block 4 to move closer to the side of the product, achieving clamping and positioning of the product on both the left and right sides. Therefore, clamping and positioning of the product is achieved on all four sides.

[0031] Example 2: Please refer to Figures 1-8 Embodiment 2 is a high-precision transfer positioning mechanism 100, whose structure is basically the same as that of Embodiment 1. The difference is that in this embodiment, the drive module 6a also includes a second connecting block 66. The second connecting block 66 is located on the left or right side of the third clamping block 4. The first elastic element 632 is not connected to the first pull rod 631. The first pull rod 631 is not connected to the third clamping block 4. One end of the first elastic element 632 is connected to the third clamping block 4 and the other end is connected to the second connecting block 66. That is, when the first drive element 61 drives the moving frame 62 to move the first pull rod 631 to the left, the first elastic element 632 is compressed and the third clamping block 4 moves away from the first clamping block 2. When the first drive element 61 drives the moving frame 62 to move the first pull rod 631 to the right, the first elastic element 632 resets and the third clamping block 4 clamps the product.

[0032] Example 3: Please refer to Figures 1-8 Example 3 is a high-precision transfer positioning mechanism 100, whose structure is basically the same as that of Example 1. The difference is that it includes the drive module 6 in Example 1 and the drive module 6a in Example 2, which can realize the clamping and positioning of multiple products. The specific clamping and positioning principle is the same as the method in Example 1 and Example 2, and will not be repeated here.

[0033] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A high-precision transfer positioning mechanism, characterized in that, It includes: A positioning plate is provided with a plurality of slots, and a first clamping block and a second clamping block are fixedly provided on two adjacent sides of each slot, and a third clamping block and a fourth clamping block are movably provided on two other adjacent sides of each slot. A drive module, which is disposed below the slot and drives the third clamping block and the fourth clamping block to move, includes a first drive member and a moving frame that is driven by the first drive member to move horizontally. The moving frame is provided with a first elastic component that is elastically connected to the third clamping block and a second elastic component that is elastically connected to the fourth clamping block.

2. The high-precision transfer positioning mechanism as described in claim 1, characterized in that: The first elastic component includes a first pull rod connected to the movable frame and a first elastic element with one end connected to the end of the first pull rod and the other end connected to the third clamping block.

3. The high-precision transfer positioning mechanism as described in claim 2, characterized in that: The second elastic component includes a second pull rod connected to the movable frame, an arc-shaped track disposed at the end of the second pull rod, a roller rolling on the arc-shaped track, a first connecting block connected above the roller, and a second elastic element disposed at one end of the first connecting block. The other end of the first connecting block is connected to the fourth clamping block, and the second pull rod is located behind the first pull rod.

4. The high-precision transfer positioning mechanism as described in claim 3, characterized in that: The thickness of the arc-shaped track increases from left to right.

5. A high-precision transfer positioning mechanism as described in claim 3, characterized in that: The second elastic element is fixed to the side of the positioning plate by the first connecting piece.

6. The high-precision transfer positioning mechanism as described in claim 3, characterized in that: The positioning plate is provided with a guide seat below the slot, and the guide seat is provided with a plurality of guide grooves. The plurality of guide grooves are respectively a first guide groove for the first pull rod, the first elastic element, and the third clamping block to move left and right simultaneously, a second guide groove for the second pull rod to move left and right, and a third guide groove for the first connecting block, the second elastic element, and the fourth clamping block to move back and forth simultaneously.

7. A high-precision transfer positioning mechanism as described in claim 6, characterized in that: A fourth guide groove is provided on the front side of the first guide groove, and a third pull rod is movably disposed in the fourth guide groove. The third pull rod is connected to the movable frame, and the third pull rod and the second pull rod are symmetrically arranged on the front and rear sides of the first pull rod.

8. A high-precision transfer positioning mechanism as described in claim 6, characterized in that: Both the guide seat and the first driving member are fixed on the support plate. The guide seat is fixed on the upper surface of the support plate, and the first driving member is fixed on the lower surface of the support plate.

9. A high-precision transfer positioning mechanism as described in claim 1, characterized in that: The positioning plate is provided with a plurality of first mounting holes for mounting the first clamping block and the second clamping block, and a plurality of second mounting holes for mounting the third clamping block and the fourth clamping block. The size of the second mounting holes is larger than the size of the third clamping block and the fourth clamping block, so as to form an active space for the third clamping block and the fourth clamping block to move.

10. A high-precision transfer positioning mechanism as described in claim 1, characterized in that: The positioning plate has guide blocks on the front and rear sides of the third clamping block to guide the product, and the guide blocks are located on the outer periphery of the groove.

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