Positioning and pressing device

Abstract

The utility model relates to the technical field of positioning devices, and discloses a positioning and pressing device which comprises a bottom plate, a motor box is fixedly connected to the bottom of the bottom plate, a motor is fixedly connected to the inner bottom wall of the motor box, an extension shaft is fixedly connected to the output end of the motor, a gear is fixedly connected to the surface of the extension shaft, and the gear is fixedly connected to the surface of the extension shaft. A bearing is rotatably connected to the surface of the extension shaft, a rack is arranged in the bottom plate, a sliding block is fixedly connected to the bottom of the rack, and a limiting groove is formed in the inner bottom wall of the bottom plate. Through the arrangement of the bottom plate, a user can place a workpiece in the middle of the bottom plate firstly, the motor is started to drive the gear above to rotate, the extension shaft rotates on the inner wall of the bearing, and the gear rotates to be meshed with the racks at the two ends, so that the racks at the two ends move in the opposite directions, and then the connecting blocks above the racks are driven to move; a sliding block is arranged at the bottom of the connecting block, and the surface of the sliding block slides on the inner wall of the limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a positioning and pressing device. Background Art

[0002] A positioning device is a device for manually clamping mechanical workpieces. The purpose of this device is to ensure the accurate positioning and fixation of the workpieces for subsequent processing or operations. It can clamp and release the workpieces through manual operation and usually has an adjustable function to adapt to workpieces of different sizes and shapes.

[0003] In the prior art, during the use of the positioning and pressing device, it may require cumbersome manual operations to achieve the positioning and pressing of the workpieces, which may increase the workload of the operators and may also increase the possibility of errors during the work process. Summary of the Utility Model

[0004] To solve at least to some extent the above technical problems, the utility model provides a positioning and pressing device.

[0005] The utility model is implemented by the following technical solutions: A positioning and pressing device includes a bottom plate. A motor box is fixedly connected to the bottom of the bottom plate. A motor is fixedly connected to the inner bottom wall of the motor box. An extension shaft is fixedly connected to the output end of the motor. A gear is fixedly connected to the surface of the extension shaft. A bearing is rotatably connected to the surface of the extension shaft. A rack is arranged inside the bottom plate. A sliding block is fixedly connected to the bottom of the rack. A limiting groove is opened on the inner bottom wall of the bottom plate.

[0006] As a further improvement of the above solution, the gear meshes with the rack. The number of the sliding blocks is two. The two sliding blocks are located at the bottom of the rack. The surface of the sliding block is slidably connected to the inner wall of the limiting groove.

[0007] As a further improvement of the above solution, the surface of the bearing is fixedly connected to the inner wall of the bottom plate. The bearing is located above the gear.

[0008] Through the above technical solutions, by setting the bottom plate, the user can first place the workpiece in the middle of the bottom plate. By starting the motor, the gear above is driven to rotate. The extension shaft rotates inside the inner wall of the bearing. The gear rotates and meshes with the racks at both ends, causing the racks at both ends to move in opposite directions, thereby driving the connecting blocks above the racks to move. A sliding block is arranged at the bottom of the connecting block. The surface of the sliding block slides on the inner wall of the limiting groove to keep the connecting block stable during the movement of the device above. Through the gear and rack driven by the motor, easy and labor-saving adjustment can be achieved.

[0009] As a further improvement of the above solution, a connecting block is fixedly connected above the rack, a positioning block is fixedly connected to the upper surface of the connecting block, a semi-circular groove is formed in the upper surface of the positioning block, a support shaft is fixedly connected to the bottom of the bottom plate, a through groove is formed in the upper surface of the bottom plate, and a sliding plate is fixedly connected to the bottom of the positioning block.

[0010] As a further improvement of the above solution, the surface of the sliding plate is slidably connected to the inner wall of the through groove, and the number of the positioning blocks is two, and the two positioning blocks are located above the connecting block.

[0011] Through the above technical solution, by setting the sliding plate, a sliding plate is provided at the bottom of the positioning block. During the movement of the positioning block, the sliding plate slides on the inner wall of the through groove to limit one end of the positioning block, making the movement more stable.

[0012] As a further improvement of the above solution, fixing frames are fixedly connected to both sides of the positioning block, a screw rod is threadedly connected to the inner wall of the fixing frame, a handle is fixedly connected to the upper surface of the screw rod, and a circular pressing plate is fixedly connected to the bottom of the screw rod.

[0013] As a further improvement of the above solution, the number of the fixing frames is two, and the two fixing frames are located on the left and right sides of the positioning block.

[0014] Through the above technical solution, by rotating the handle, the up and down position of the circular pressing plate can be easily adjusted to press or release the workpiece.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, by setting the bottom plate, the user can first place the workpiece in the middle of the bottom plate. By starting the motor, the upper gear is driven to rotate, the extension shaft rotates in the inner wall of the bearing, the gear rotates and meshes with the racks at both ends, so that the racks at both ends move in opposite directions, and then drives the connecting block above the rack to move. A sliding block is provided at the bottom of the connecting block, and the surface of the sliding block slides in the inner wall of the limiting groove to keep the connecting block stable during the movement of the upper device. Through the gear and rack driven by the motor, easy and labor-saving adjustment can be achieved. A positioning block is provided above the connecting block. Since a semi-circular groove is formed in the upper surface of the positioning block, the semi-circular groove contacts the workpiece and squeezes the workpiece, thereby clamping the workpiece front and back.

[0017] The utility model is provided with a sliding plate. A sliding plate is arranged at the bottom of the positioning block. During the movement of the positioning block, the sliding plate slides on the inner wall of the through groove to limit one end of the positioning block, making the movement more stable. The user can rotate the handle to drive the screw rod and the bearing to rotate. The bottom of the bearing can contact the upper surface of the workpiece to squeeze and fix it. By rotating the handle, the up and down position of the circular pressing plate can be easily adjusted to press or release the workpiece. This device has the characteristics of high stability, simple operation and strong adaptability, and is suitable for processing occasions that require positioning and pressing. Brief Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 is a schematic cross-sectional view of the overall structure of the utility model;

[0020] Figure 3 is an exploded schematic diagram of the sliding plate structure of the utility model;

[0021] Figure 4 is a schematic diagram of the circular pressing plate structure of the utility model;

[0022] Figure 5 is a schematic diagram of the gear structure of the utility model.

[0023] Main Symbol Explanation:

[0024] 1, bottom plate; 2, fixing frame; 3, screw rod; 4, handle; 5, circular pressing plate; 6, support shaft; 7, positioning block; 8, connecting block; 9, sliding plate; 10, limiting groove; 11, sliding block; 12, motor box; 13, motor; 14, gear; 15, bearing; 16, extension shaft; 17, rack; 18, through groove. Specific Embodiments

[0025] Next, in combination with the drawings and specific embodiments, the present utility model will be further described. It should be noted that on the premise of no conflict, the following described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0026] Embodiment:

[0027] Please refer to Figures 1-5, A positioning and pressing device in this embodiment includes a bottom plate 1. A motor box 12 is fixedly connected to the bottom of the bottom plate 1. A motor 13 is fixedly connected to the inner bottom wall of the motor box 12. The output end of the motor 13 is fixedly connected to an extension shaft 16. A gear 14 is fixedly connected to the surface of the extension shaft 16. A bearing 15 is rotatably connected to the surface of the extension shaft 16. A rack 17 is arranged inside the bottom plate 1. The bottom of the rack 17 is fixedly connected to a sliding block 11. A limiting groove 10 is opened on the inner bottom wall of the bottom plate 1. The user can first place the workpiece in the middle of the bottom plate 1. By starting the motor 13, the upper gear 14 is driven to rotate. The extension shaft 16 rotates inside the inner wall of the bearing 15. The gear 14 rotates and meshes with the racks 17 at both ends, causing the racks 17 at both ends to move in opposite directions, thereby driving the connecting block 8 above the rack 17 to move. A sliding block 11 is arranged at the bottom of the connecting block 8. The surface of the sliding block 11 slides on the inner wall of the limiting groove 10 to keep the connecting block 8 stable during the movement of the upper device. Through the gear 14 and the rack 17 driven by the motor 13, easy and labor-saving adjustment can be achieved.

[0028] The gear 14 meshes with the rack 17. The number of sliding blocks 11 is set to two. The two sliding blocks 11 are located at the bottom of the rack 17. The surface of the sliding block 11 is slidably connected to the inner wall of the limiting groove 10.

[0029] The surface of the bearing 15 is fixedly connected to the inner wall of the bottom plate 1. The bearing 15 is located above the gear 14.

[0030] A connecting block 8 is fixedly connected above the rack 17. A positioning block 7 is fixedly connected to the upper surface of the connecting block 8. A semi-circular groove is opened on the upper surface of the positioning block 7. A support shaft 6 is fixedly connected to the bottom of the bottom plate 1. A through groove 18 is opened on the upper surface of the bottom plate 1. A sliding plate 9 is fixedly connected to the bottom of the positioning block 7. A semi-circular groove is opened on the upper surface of the positioning block 7. The semi-circular groove contacts the workpiece and squeezes the workpiece, thereby clamping the workpiece front and back. A sliding plate 9 is arranged at the bottom of the positioning block 7. During the movement of the positioning block 7, the sliding plate 9 slides on the inner wall of the through groove 18 to limit one end of the positioning block 7, making the movement more stable.

[0031] The surface of the sliding plate 9 is slidably connected to the inner wall of the through groove 18. The number of positioning blocks 7 is set to two. The two positioning blocks 7 are located above the connecting block 8.

[0032] Fixing frames 2 are fixedly connected to both sides of the positioning block 7. A screw rod 3 is threadedly connected to the inner wall of the fixing frame 2. A handle 4 is fixedly connected to the upper surface of the screw rod 3. A circular pressing plate 5 is fixedly connected to the bottom of the screw rod 3.

[0033] The number of fixing frames 2 is set to two. The two fixing frames 2 are located on the left and right sides of the positioning block 7.

[0034] In the embodiment of the present application, the implementation principle of a positioning and pressing device is as follows: The user can first place the workpiece in the middle of the bottom plate 1. By starting the motor 13, the upper gear 14 is driven to rotate, and the extension shaft 16 rotates on the inner wall of the bearing 15. The gear 14 rotates and meshes with the racks 17 at both ends, causing the racks 17 at both ends to move in opposite directions, thereby driving the connecting block 8 above the racks 17 to move. A sliding block 11 is provided at the bottom of the connecting block 8, and the surface of the sliding block 11 slides on the inner wall of the limit groove 10 to keep the connecting block 8 stable during the movement of the upper device. Through the gear 14 and the rack 17 driven by the motor 13, easy and labor-saving adjustment can be achieved. A positioning block 7 is provided above the connecting block 8. Since a semicircular groove is formed on the upper surface of the positioning block 7, the semicircular groove contacts the workpiece and squeezes the workpiece, thereby clamping the workpiece front and back. A sliding plate 9 is provided at the bottom of the positioning block 7. During the movement of the positioning block 7, the sliding plate 9 slides on the inner wall of the through groove 18 to limit one end of the positioning block 7, making the movement more stable. The user can rotate the handle 4 to drive the screw 3 and the bearing 15 to rotate. The bottom of the bearing 15 can contact the upper surface of the workpiece and squeeze and fix it. By rotating the handle 4, the up and down position of the circular pressing plate 5 can be easily adjusted to press or release the workpiece. This device has the characteristics of high stability, simple operation, and strong adaptability, and is suitable for processing occasions that require positioning and pressing.

[0035] The above-mentioned implementation manners are only the preferred implementation manners of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention belong to the protection scope required by the present invention.

Claims

1. A positioning and pressing device, characterized in that: The invention comprises a bottom plate (1), the bottom of the bottom plate (1) is fixedly connected to a motor box (12), the inner bottom wall of the motor box (12) is fixedly connected to a motor (13), the output end of the motor (13) is fixedly connected to an extension shaft (16), the surface of the extension shaft (16) is fixedly connected to a gear (14), the surface of the extension shaft (16) is rotatably connected to a bearing (15), a rack (17) is arranged inside the bottom plate (1), the bottom of the rack (17) is fixedly connected to a sliding block (11), and a limiting groove (10) is provided on the inner bottom wall of the bottom plate (1).

2. A positioning and pressing device according to claim 1, characterized in that: The gear (14) and the rack (17) are meshed with each other, and the number of the sliding blocks (11) is two. The two sliding blocks (11) are located at the bottom of the rack (17), and the surface of the sliding block (11) is slidably connected to the inner wall of the limiting groove (10).

3. A positioning and pressing device according to claim 1, characterized in that: The surface of the bearing (15) is fixedly connected to the inner wall of the base plate (1), and the bearing (15) is located above the gear (14).

4. A positioning and pressing device according to claim 1, characterized in that: A connecting block (8) is fixedly connected to the top of the rack (17), a positioning block (7) is fixedly connected to the upper surface of the connecting block (8), a semicircular groove is provided on the upper surface of the positioning block (7), a supporting shaft (6) is fixedly connected to the bottom of the base plate (1), a through groove (18) is provided on the upper surface of the base plate (1), and a sliding plate (9) is fixedly connected to the bottom of the positioning block (7).

5. A positioning and pressing device according to claim 4, characterized in that: The surface of the sliding plate (9) is slidably connected to the inner wall of the through groove (18), and the number of the positioning blocks (7) is two, and the two positioning blocks (7) are located above the connecting block (8).

6. A positioning and pressing device according to claim 4 or 5, characterized in that: The two sides of the positioning block (7) are fixedly connected to a fixing frame (2), the inner wall of the fixing frame (2) is threadedly connected to a screw rod (3), the upper surface of the screw rod (3) is fixedly connected to a handle (4), and the bottom of the screw rod (3) is fixedly connected to a circular pressing plate (5).

7. A positioning and pressing device according to claim 6, characterized in that: The number of the fixing frames (2) is two, and the two fixing frames (2) are located on the left and right sides of the positioning block (7).

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