Automatic up-down clamping and tightening mechanism

Abstract

The utility model relates to the technical field of clamping and tightening mechanisms, and provides an automatic up-down clamping and tightening mechanism which comprises a motor, a non-contact displacement sensor is arranged at the bottom of the motor, a drag chain is arranged at the front end of the motor, a drag chain installation support bottom plate is arranged at the bottom of the drag chain, and a clamping jaw is arranged at the top end of the motor. The motor works to open the movable clamping jaw, an operator puts a workpiece into the clamping jaw, after the clamping jaw detects the workpiece, the clamping jaw clamps the workpiece, the motor works to drive the moving and cutting sliding plate and the sliding block to move in the direction of the linear guide rail, and the non-contact displacement sensor is used for sensing the position of the displacement connecting block and feeding back. And after the clamping jaw reaches the working area, the clamping jaw stops moving to wait for paint spraying, after paint spraying is finished, the motor works to reset the sliding block, an operator takes down the workpiece, and the effects of effectively improving the paint spraying uniformity and the production efficiency, reducing the labor intensity and reducing the production cost are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping and tightening mechanisms, and more specifically, to an automatic upper and lower clamping and tightening mechanism. Background Art

[0002] In the field of mechanical production and processing, painting our processed workpieces is an essential process. Painting can make our products more beautiful, and it also plays a role in anti-corrosion, moisture-proof and appearance protection;

[0003] After searching, the existing patent (Announcement No.: CN215824751U) discloses a clamping and tightening mechanism, including a clamping mechanism and a tightening mechanism, which are connected by a connector, and are characterized in that: the clamping mechanism includes a clamping jaw, a cylinder, a sleeve and a rotary joint, the clamping jaw is fixed on the cylinder, and the rotary joint is connected to the end of the rotating shaft to supply air to the cylinder; the tightening mechanism includes a tightening head, a rotating shaft, a synchronous belt and a servo motor, the servo motor is offset from the rotating shaft, the servo motor drives the rotating shaft to rotate through the synchronous belt, and the tightening head is set on the rotating shaft. This utility model has the characteristics of withstanding a large torque tightening force, small space and low cost;

[0004] However, there are still some shortcomings in the above scheme. During the painting process, the workpiece is often placed on the painting board for processing, resulting in uneven painting and paint accumulation. In addition, the work efficiency is low, the production cost is difficult to effectively control, and the labor cost is high and it is difficult to recruit people.

[0005] In view of this, the utility model proposes an automatic upper and lower clamping and tightening mechanism. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an automatic upper and lower clamping and tightening mechanism to solve the problem that during the painting process, the workpiece is often placed on the paint spraying board for processing, resulting in uneven painting and the appearance of paint accumulation, low work efficiency, difficulty in effectively controlling production costs, and difficulty in recruiting workers due to high labor costs.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an automatic upper and lower clamping and tightening mechanism, comprising a motor, a non-contact displacement sensor is arranged at the bottom of the motor for sensing and feedback, a drag chain is arranged at the front end of the motor for protecting the motor cable, a drag chain mounting bracket base is arranged at the bottom of the drag chain for fixing the drag chain, and a clamping claw is arranged at the top of the motor for clamping the workpiece.

[0008] Preferably, a cutting slide is fixedly installed at the bottom of the motor, one end of the cutting slide is fixedly connected to a displacement connection block, one end of the cutting slide away from the displacement connection block is fixedly connected to a handle, the clamp is fixedly installed on the top of the motor, and an axial positioning block is fixedly installed inside the clamp.

[0009] Preferably, the drag chain is placed inside the bottom plate of the drag chain mounting bracket, one end of the drag chain is fixedly mounted with a drag chain mounting bracket, the drag chain mounting bracket is fixedly mounted on the side end of the transfer and cutting slide, and the drag chain is connected to the transfer and cutting slide via the drag chain mounting bracket.

[0010] Preferably, a drag chain bottom plate mounting bracket is fixedly installed at one end of the bottom plate of the drag chain mounting bracket, a transfer mounting plate is fixedly installed on the top of the drag chain bottom plate mounting bracket, a transfer bottom plate is fixedly installed on the end of the transfer mounting plate away from the drag chain bottom plate mounting bracket, and a transfer rib plate is fixedly installed on the bottom of the transfer mounting plate.

[0011] Preferably, a linear guide rail is fixedly installed on the top of the transfer and cutting installation plate, a linear guide rail limit block is fixedly installed on one end of the linear guide rail, and the linear guide rail limit block is fixedly installed on the top of the transfer and cutting installation plate.

[0012] Preferably, a sliding block is slidably connected to the surface of the linear guide rail, and the sliding block is fixedly installed at the bottom of the cutting and shifting sliding block.

[0013] Preferably, a displacement connection block is fixedly mounted on the side end of the sliding block, and a displacement mounting bracket is fixedly mounted on the side end of the displacement mounting plate.

[0014] Preferably, the non-contact displacement sensor is fixedly mounted on the top of the displacement mounting bracket to sense the position of the displacement connecting block and provide feedback.

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

[0016] The utility model opens the movable clamping jaw by the operation of a motor, and an operator is responsible for placing a workpiece into the clamping jaw. After the clamping jaw detects the workpiece, the clamping jaw clamps the workpiece, and the operation of the motor drives the cutting slide plate and the slider to move along the direction of the linear guide rail. The non-contact displacement sensor is responsible for sensing the position of the displacement connection block for feedback. After the clamping jaw reaches the working area, it stops moving and waits for the completion of painting. After the painting is completed, the motor operates to reset the slider, and the operator removes the workpiece, thereby effectively improving the uniformity of painting and production efficiency, reducing labor intensity, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2It is a schematic diagram of the main structure of the tightening mechanism of the utility model.

[0019] [reference numerals]

[0020] 1. Motor; 2. Non-contact displacement sensor; 3. Drag chain; 4. Transfer and cutting base plate; 5. Transfer and cutting rib plate; 6. Transfer and cutting mounting plate; 7. Drag chain mounting bracket base plate; 8. Drag chain base plate mounting bracket; 9. Displacement mounting bracket; 10. Linear guide rail; 11. Transfer and cutting slide plate; 12. Drag chain mounting bracket; 13. Linear rail limit block; 14. Clamp; 15. Slider; 16. Displacement connecting block; 17. Handle; 18. Axial positioning block. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] The preferred embodiment of the automatic upper and lower clamping and tightening mechanism provided by the utility model is as follows: Figure 1 to Figure 2 As shown: it includes a motor 1, a non-contact displacement sensor 2 is arranged at the bottom of the motor 1 for sensing and feedback, a drag chain 3 is arranged at the front end of the motor 1 for protecting the cable of the motor 1, a drag chain mounting bracket bottom plate 7 is arranged at the bottom of the drag chain 3 for fixing the drag chain 3, a clamping claw 14 is arranged at the top of the motor 1 for clamping the workpiece, a transfer slide 11 is fixedly installed at the bottom of the motor 1, one end of the transfer slide 11 is fixedly connected to a displacement connection block 16, and the end of the transfer slide 11 away from the displacement connection block 16 is fixedly connected to a handle 17, the clamping claw 14 is fixedly installed on the top of the motor 1, and the clamping claw 1 4 is fixedly installed with an axial positioning block 18 inside, the drag chain 3 is placed inside the bottom plate 7 of the drag chain mounting bracket, one end of the drag chain 3 is fixedly installed with a drag chain mounting bracket 12, the drag chain mounting bracket 12 is fixedly installed on the side end of the transfer and cutting slide plate 11, the drag chain 3 is connected to the transfer and cutting slide plate 11 through the drag chain mounting bracket 12, one end of the bottom plate 7 of the drag chain mounting bracket is fixedly installed with a drag chain bottom plate mounting bracket 8, the top of the drag chain bottom plate mounting bracket 8 is fixedly installed with a transfer and cutting mounting plate 6, the end of the transfer and cutting mounting plate 6 away from the drag chain bottom plate mounting bracket 8 is fixedly installed with a transfer and cutting bottom plate 4, and the bottom of the transfer and cutting mounting plate 6 is fixedly installed with a transfer and cutting rib plate 5.

[0024] Embodiment 2

[0025] On the basis of the first embodiment, the preferred embodiment of the automatic upper and lower clamping and tightening mechanism provided by the present invention is as follows: Figure 1 to Figure 2 As shown: a linear guide 10 is fixedly installed on the top of the transfer and cutting mounting plate 6, a linear guide limit block 13 is fixedly installed on one end of the linear guide 10, and the linear guide limit block 13 is fixedly installed on the top of the transfer and cutting mounting plate 6, a slider 15 is slidably connected to the surface of the linear guide 10, and the slider 15 is fixedly installed on the bottom of the transfer and cutting slide plate 11, a displacement connecting block 16 is fixedly installed on the side end of the slider 15, a displacement mounting bracket 9 is fixedly installed on the side end of the transfer and cutting mounting plate 6, and the non-contact displacement sensor 2 is fixedly installed on the top of the displacement mounting bracket 9, and is used to sense the position of the displacement connecting block 16 and provide feedback.

[0026] Specifically, the mechanism is composed of a motor 1, a non-contact displacement sensor 2, a drag chain 3, a bottom plate 7 of a drag chain mounting bracket, and a clamping claw 14. The motor 1 is installed on a cutting and shifting slide 11, and a handle 17 and a displacement connecting block 16 are respectively installed on both sides of the cutting and shifting slide 11. A clamping claw 14 is installed on the top of the motor 1, and an axial positioning block 18 is matched in the middle of the clamping claw 14. The drag chain 3 is placed on the bottom plate 7 of the drag chain mounting bracket, and one end of the drag chain 3 is fixedly assembled on the cutting and shifting slide 11 through the drag chain mounting bracket 12. One end of the cutting and shifting rib plate 5 is fixed on the cutting and shifting bottom plate 4, and the other end is connected to the cutting and shifting mounting bracket 12. At the plate 6, the drag chain mounting bracket bottom plate 7 is connected to the bottom surface of a section of the transfer and cutting mounting plate 6 through the drag chain bottom plate mounting bracket 8, the linear guide 10 is fixed to the transfer and cutting mounting plate 6 and a linear guide limit block 13 is installed at each end of the linear guide 10, the slider 15 is connected to the linear guide 10 as a mobile platform, the transfer and cutting slide plate 11 is assembled on the slider 15, and two displacement mounting brackets 9 are installed on one side of the transfer and cutting mounting plate 6. The displacement mounting bracket 9 is fixedly installed with a non-contact displacement sensor 2, and the non-contact displacement sensor 2 is responsible for sensing the moving position of the displacement connection block 16 for feedback.

[0027] The working process of the utility model is as follows:

[0028] Start the motor 1, and the motor 1 works to open the clamp 14. The operator is responsible for placing the workpiece into the clamp 14. After the clamp 14 detects the workpiece, the clamp 14 clamps the workpiece. The motor 1 works to drive the cutting slide 11 and the slider 15 to move along the linear guide 10. The non-contact displacement sensor 2 is responsible for sensing the position of the displacement connection block 16 for feedback. After the clamp 14 reaches the working area, it stops moving and waits for the completion of painting. After the painting is completed, the motor 1 works to reset the slider 15, and the operator removes the workpiece. In addition, it can also be equipped with a handle 17 to move to achieve semi-automatic precise positioning. The clamping jaw 14 can rotate 360 ​​degrees to make the workpiece more evenly painted. The above actions can be repeated.

[0029] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0030] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic upper and lower clamping and tightening mechanism, comprising a motor (1), characterized in that: A non-contact displacement sensor (2) is arranged at the bottom of the motor (1) for sensing and providing feedback, a drag chain (3) is arranged at the front end of the motor (1) for protecting the cable of the motor (1), a drag chain mounting bracket base plate (7) is arranged at the bottom of the drag chain (3) for fixing the drag chain (3), and a clamping claw (14) is arranged at the top end of the motor (1) for clamping a workpiece.

2. The automatic upper and lower clamping and tightening mechanism according to claim 1, characterized in that: A cutting slide (11) is fixedly mounted on the bottom of the motor (1), one end of the cutting slide (11) is fixedly connected to a displacement connection block (16), one end of the cutting slide (11) away from the displacement connection block (16) is fixedly connected to a handle (17), the clamping jaw (14) is fixedly mounted on the top of the motor (1), and an axial positioning block (18) is fixedly mounted inside the clamping jaw (14).

3. The automatic upper and lower clamping and tightening mechanism according to claim 2, characterized in that: The drag chain (3) is placed inside the bottom plate (7) of the drag chain mounting bracket, a drag chain mounting bracket (12) is fixedly mounted on one end of the drag chain (3), the drag chain mounting bracket (12) is fixedly mounted on the side end of the transfer and cutting slide plate (11), and the drag chain (3) is connected to the transfer and cutting slide plate (11) via the drag chain mounting bracket (12).

4. The automatic upper and lower clamping and tightening mechanism according to claim 3, characterized in that: A drag chain bottom plate mounting bracket (8) is fixedly mounted on one end of the drag chain bottom plate mounting bracket base plate (7), a transfer mounting plate (6) is fixedly mounted on the top of the drag chain bottom plate mounting bracket (8), a transfer bottom plate (4) is fixedly mounted on the end of the transfer mounting plate (6) away from the drag chain bottom plate mounting bracket (8), and a transfer rib plate (5) is fixedly mounted on the bottom of the transfer mounting plate (6).

5. The automatic upper and lower clamping and tightening mechanism according to claim 4, characterized in that: A linear guide rail (10) is fixedly mounted on the top of the cutting and shifting mounting plate (6), a linear guide rail limit block (13) is fixedly mounted on one end of the linear guide rail (10), and the linear guide rail limit block (13) is fixedly mounted on the top of the cutting and shifting mounting plate (6).

6. The automatic upper and lower clamping and tightening mechanism according to claim 5, characterized in that: The surface of the linear guide rail (10) is slidably connected with a slider (15), and the slider (15) is fixedly mounted on the bottom of the cutting slide plate (11).

7. The automatic upper and lower clamping and tightening mechanism according to claim 6, characterized in that: A displacement connection block (16) is fixedly mounted on the side end of the sliding block (15), and a displacement mounting bracket (9) is fixedly mounted on the side end of the displacement mounting plate (6).

8. The automatic upper and lower clamping and tightening mechanism according to claim 7, characterized in that: The non-contact displacement sensor (2) is fixedly mounted on the top of the displacement mounting bracket (9) and is used to sense the position of the displacement connection block (16) and provide feedback.

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