Precise positioning device for parts

Abstract

The invention discloses a precise positioning device for parts. The positioning mechanism aims at solving the problem that in the prior art, some positioning mechanisms cannot position key positions. The positioning mechanism comprises a base, two vertical plates are fixedly installed on the base, the tops of the two vertical plates are fixedly connected with the same track plate, and the top of the track plate is fixedly connected with a cover plate. The key is placed between the fixed positioning block and the movable positioning block, the key is in contact with the fixed positioning block, and the movable positioning block is driven by the driving mechanism to move in the direction close to the fixed positioning block until the movable positioning block is in contact with the key; and the two ends of the movable positioning block are in contact with the keys placed on the two adjacent fixed positioning blocks, the positions of the keys can be positioned under the cooperative arrangement of the fixed positioning blocks and the movable positioning block, and the positions of the keys are prevented from deviating, so that the positions of the keys cannot deviate when the keys are clamped by the clamp, and the proceeding of the next working procedure cannot be influenced.

Description

Technical Field

[0001] The invention belongs to the technical field of mobile phone key processing, and in particular relates to a parts precision positioning device. Background Art

[0002] The plastic at the bottom of the mobile phone button is a fixed shape of the plastic tool, which requires that the spacing between the mobile phone buttons is fixed. Only when the spacing between the buttons is fixed can the buttons match the plastic tool. Some mobile phone button processing machines in the prior art lack a positioning mechanism. Before the button plastic process, the clamp removes the button from the material tray. Since there are multiple buttons on the material tray and the spacing between the buttons does not match the plastic tool, the button position cannot be positioned according to the plastic tool. If it is not positioned, the button position may not match the plastic tool, thereby affecting the plastic process. Summary of the invention

[0003] (1) Technical issues to be solved

[0004] In view of the deficiencies of the prior art, an object of the present invention is to provide a device for accurately positioning parts, wherein the positioning mechanism is intended to solve the problem that some positioning mechanisms in the prior art cannot locate the position of a key.

[0005] (2) Technical solution

[0006] In order to solve the above technical problems, the present invention provides a device for precise positioning of parts, which includes a base, on which two vertical plates are fixedly installed, the tops of the two vertical plates are fixedly connected to the same track plate, the top of the track plate is fixedly connected to a cover plate, the top of the cover plate is fixedly connected to a plurality of fixed positioning blocks, a through groove is provided in the middle of the cover plate, and a fixed block is fixedly connected to the middle of the upper surface of the track plate, and the fixed block is located in the through groove provided in the cover plate, and a plurality of movable positioning blocks are arranged in the through groove, and a driving mechanism for driving the movable positioning block to move is installed on the base; wherein the driving mechanism drives the movable positioning block to move toward the fixed positioning block, and causes the part to be clamped between the movable positioning block and the fixed positioning block.

[0007] Preferably, the driving mechanism comprises a motor fixedly mounted on the base, the output end of the motor is fixedly connected to a turntable, and four arc grooves are formed inside the turntable.

[0008] Furthermore, a sliding rod is slidably connected to the interior of each arc-shaped groove, a U-shaped block is fixedly connected to the top of each sliding rod, and both ends of each U-shaped block pass through the waist hole opened in the track plate and extend to the top of the track plate.

[0009] Furthermore, the tops of both ends of each U-shaped block are fixedly connected with mounting blocks, and the movable positioning blocks are fixedly mounted on the mounting blocks.

[0010] Furthermore, a plurality of mounting grooves are provided on the track plate, and a slide rail is fixedly installed inside each mounting groove, a slider matching the slide rail is fixedly installed inside each mounting block, and the slider is slidably connected to the slide rail.

[0011] Furthermore, a spring is installed between each mounting block and the fixed block, and a spring groove is opened on the side where the mounting block and the fixed block are close to each other. The two ends of the spring are fixedly installed in the spring grooves opened in the mounting block and the fixed block respectively, and the sliding rod is close to the arc groove.

[0012] Furthermore, each fixed positioning block is provided with a through slot for the clamp to pass through, and each movable positioning block is provided with a notch for the clamp to pass through.

[0013] Furthermore, multiple installation grooves are arranged in an "X" shape on the track plate, wherein multiple fixed positioning blocks are distributed at the corners of the cover plate surface, wherein a single movable positioning block moves along the direction of the installation groove, and at least two parts are clamped between the movable positioning block and the fixed positioning block located at the same corner.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention places the key between the fixed positioning block and the movable positioning block, and the key contacts the fixed positioning block, and drives the movable positioning block to move in the direction close to the fixed positioning block through a driving mechanism until the movable positioning block contacts the key, and the two ends of the movable positioning block contact the keys placed by two adjacent fixed positioning blocks. Under the coordinated setting of the fixed positioning block and the movable positioning block, the key position can be positioned to prevent the key position from deviating. In this way, the key position will not deviate when the clamp clamps the key, thereby not affecting the progress of the next process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the present invention.

[0018] Figure 2 It is a three-dimensional schematic diagram of the driving mechanism of the present invention.

[0019] Figure 3 It is a structural schematic diagram of the cover plate of the present invention.

[0020] Figure 4 It is a partial structural schematic diagram of the present invention.

[0021] Figure 5 It is a top view schematic diagram of the turntable of the present invention.

[0022] Figure 6It is a three-dimensional schematic diagram of the track plate of the present invention.

[0023] Figure 7 It is a three-dimensional schematic diagram of the slider of the present invention.

[0024] Figure 8 It is a schematic diagram of the present invention when used.

[0025] The markings in the accompanying drawings are: 1. base; 2. vertical plate; 3. track plate; 4. cover plate; 5. fixed positioning block; 6. movable positioning block; 7. driving mechanism; 8. fixed block; 9. spring; 301. waist hole; 302. mounting groove; 303. slide rail; 701. motor; 702. turntable; 703. arc groove; 704. sliding rod; 705. U-shaped block; 706. mounting block; 7061. slider. DETAILED DESCRIPTION

[0026] This specific implementation is a device for accurately positioning parts, and its structural diagram is as follows: Figure 1-Figure 8 As shown, the positioning mechanism includes a base 1, on which two vertical plates 2 are fixedly installed, the tops of the two vertical plates 2 are fixedly connected to the same track plate 3, the top of the track plate 3 is fixedly connected to a cover plate 4, the top of the cover plate 4 is fixedly connected to a plurality of fixed positioning blocks 5, a through groove is provided in the middle of the cover plate 4, and a fixed block 8 is fixedly connected to the middle of the upper surface of the track plate 3, and the fixed block 8 is located in the through groove provided in the cover plate 4, a plurality of movable positioning blocks 6 are arranged in the through groove, and a driving mechanism 7 for driving the movable positioning block 6 to move is installed on the base 1.

[0027] The key is placed between the fixed positioning block 5 and the movable positioning block 6, and the key is in contact with the fixed positioning block 5. The movable positioning block 6 is driven by the driving mechanism 7 to move toward the fixed positioning block 5 until the movable positioning block 6 is in contact with the key. With the coordinated setting of the fixed positioning block 5 and the movable positioning block 6, the key position can be positioned to prevent the key from position deviation.

[0028] Each fixed positioning block 5 is provided with a through slot for the clamp to pass through, and each movable positioning block 6 is also provided with a notch for the clamp to pass through. After the key is positioned, when the clamp is clamping the key, the two clamping claws of the clamp enter from the through slot and the notch respectively and then clamp the key. After clamping the key, the clamp transfers to the next process. With the coordinated setting of the fixed positioning block 5 and the movable positioning block 6, the key position can be positioned to prevent the key from position deviation. In this way, the position of the key clamped by the clamp will not deviate, and will not affect the progress of the next process.

[0029] The driving mechanism 7 includes a motor 701 fixedly mounted on the base 1, the output end of the motor 701 is fixedly connected to a turntable 702, and four arc-shaped slots 703 are provided inside the turntable 702, wherein the distance between one end of the arc-shaped slot 703 and the center of the turntable 702 is greater than the distance between the other end of the arc-shaped slot 703 and the center of the turntable 702 (such as Figure 5 shown);

[0030] Each arc groove 703 is slidably connected to a sliding rod 704, and the top of each sliding rod 704 is fixedly connected to a U-shaped block 705. Both ends of each U-shaped block 705 pass through the waist hole 301 opened in the track plate 3 and extend to the top of the track plate 3. The top of both ends of each U-shaped block 705 is fixedly connected to a mounting block 706, and the movable positioning block 6 is fixedly installed on the mounting block 706.

[0031] A spring 9 is installed between each mounting block 706 and the fixing block 8, and a spring groove is provided on the side where the mounting block 706 and the fixing block 8 are close to each other. The two ends of the spring 9 are fixedly installed in the spring grooves of the mounting block 706 and the fixing block 8, respectively, so that the sliding rod 704 is closely attached to the arc groove 703.

[0032] Initially, the sliding rod 704 is located at the other end of the arc groove 703. When the motor 701 drives the turntable 702 to rotate clockwise, the arc groove 703 will also rotate clockwise synchronously. Since the distance between one end of the arc groove 703 and the center of the turntable 702 is greater than the distance between the other end of the arc groove 703 and the center of the turntable 702, and since a spring 9 is installed between the mounting block 706 and the fixing block 8, the sliding rod 704 will remain in a state of being closely attached to the arc groove 703 under the action of the spring 9. Therefore, during the clockwise rotation of the arc groove 703, the inner wall of the arc groove 703 on one side close to the center of the turntable 702 will The sliding rod 704 is pushed to move in the direction close to the key. When the sliding rod 704 moves in the direction close to the key, it drives the U-shaped block 705 to slide in the two waist holes 301 respectively opened in the track plate 3. During the movement, the U-shaped block 705 can drive the mounting block 706 and the movable positioning block 6 to move in the direction close to the key until the movable positioning block 6 contacts the key. The key can be positioned under the coordinated setting of the fixed positioning block 5 and the movable positioning block 6 to prevent the key from position deviation. When the mounting block 706 moves in the direction close to the key, the spring 9 is stretched so that the spring 9 is in a stretched state.

[0033] Similarly, when the motor 701 drives the turntable 702 to rotate counterclockwise, the spring 9 cooperates to reset the mounting block 706 and the movable positioning block 6.

[0034] The track plate 3 is provided with a plurality of mounting grooves 302, and a slide rail 303 is fixedly installed inside each mounting groove 302, and a slider 7061 matching with the slide rail 303 is fixedly installed inside each mounting block 706, and the slider 7061 is slidably connected to the slide rail 303;

[0035] When the mounting block 706 moves, it can drive the slider 7061 fixedly connected to it to move. The slider 7061 slides on the slide rail 303 during the movement. With the coordinated setting of the slide rail 303 and the slider 7061, it can guide the movement of the mounting block 706 and prevent the mounting block 706 from being offset during the movement.

[0036] like Figure 6 , Figure 7 and Figure 8 As shown, the two ends of the movable positioning block 6 correspond to two adjacent fixed positioning blocks 5 respectively, and the four slide rails 303 installed in the four mounting grooves 302 on the track plate 3 are arranged in an X-shape as a whole, so that the overall movement trajectory of the four movable positioning blocks 6 is X-shaped, so that one movable positioning block 6 can simultaneously position the keys placed on two adjacent fixed positioning blocks 5.

[0037] In summary, the present invention places the key between the fixed positioning block 5 and the movable positioning block 6, and the key contacts the fixed positioning block 5, and drives the movable positioning block 6 to move toward the fixed positioning block 5 through the driving mechanism 7 until the movable positioning block 6 contacts the key, and the two ends of the movable positioning block 6 contact the keys placed by the two adjacent fixed positioning blocks 5. With the coordinated setting of the fixed positioning block 5 and the movable positioning block 6, the key position can be positioned to prevent the key position from deviating. In this way, the key position will not deviate when the clamp clamps the key, thereby not affecting the progress of the next plastic process.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A device for precise positioning of parts, characterized in that: The positioning mechanism comprises a base (1), on which two vertical plates (2) are fixedly mounted, the tops of the two vertical plates (2) are fixedly connected to the same track plate (3), the top of the track plate (3) is fixedly connected to a cover plate (4), the top of the cover plate (4) is fixedly connected to a plurality of fixed positioning blocks (5), a through slot is provided in the middle of the cover plate (4), a fixed block (8) is fixedly connected in the middle of the upper surface of the track plate (3), and the fixed block (8) is located in the through slot provided in the cover plate (4), a plurality of movable positioning blocks (6) are arranged in the through slot, and a driving mechanism (7) is mounted on the base (1); wherein the driving mechanism (7) drives the movable positioning block (6) to move towards the fixed positioning block (5), and causes the parts to be clamped between the movable positioning block (6) and the fixed positioning block (5).

2. The positioning mechanism according to claim 1, characterized in that: The driving mechanism (7) comprises a motor (701) fixedly mounted on the base (1); an output end of the motor (701) is fixedly connected to a rotating disk (702); and a plurality of arc-shaped grooves (703) are provided inside the rotating disk (702).

3. The positioning mechanism according to claim 2, characterized in that: The interior of each arc-shaped groove (703) is slidably connected to a sliding rod (704), the top of each sliding rod (704) is fixedly connected to a U-shaped block (705), and both ends of each U-shaped block (705) pass through a waist hole (301) provided in the track plate (3) and extend to the top of the track plate (3).

4. The positioning mechanism according to claim 3, characterized in that: The tops of both ends of each U-shaped block (705) are fixedly connected to mounting blocks (706), and the movable positioning block (6) is fixedly mounted on the mounting blocks (706).

5. The positioning mechanism according to claim 4, characterized in that: The track plate (3) is provided with a plurality of mounting grooves (302), and a slide rail (303) is fixedly installed inside each mounting groove (302), and a slider (7061) matching the slide rail (303) is fixedly installed inside each mounting block (706), and the slider (7061) is slidably connected to the slide rail (303).

6. The positioning mechanism according to claim 5, characterized in that: A spring (9) is installed between each of the mounting blocks (706) and the fixed block (8), and a spring groove is provided on the side where the mounting block (706) and the fixed block (8) are close to each other. The two ends of the spring (9) are respectively fixedly installed in the spring grooves provided in the mounting block (706) and the fixed block (8), so that the sliding rod (704) is closely attached to the arc groove (703).

7. The positioning mechanism according to claim 6, characterized in that: Each of the fixed positioning blocks (5) is provided with a through slot for a clamp to pass through, and each of the movable positioning blocks (6) is provided with a notch for a clamp to pass through.

8. The positioning mechanism according to claim 7, characterized in that: A plurality of mounting grooves (302) are arranged in an "X" shape on the track plate (3), wherein a plurality of fixed positioning blocks (5) are distributed at corners of the surface of the cover plate (4), wherein a single movable positioning block (6) moves along the mounting groove (302) and enables at least two parts to be clamped between the movable positioning block (6) and the fixed positioning block (5) located at the same corner.

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