Self-adaptive steel pipe clamping mechanism for multi-station turntable

Abstract

The utility model relates to the technical field of semiconductor part manufacturing tools, in particular to a self-adaptive steel pipe clamping mechanism for a multi-station rotary table, which comprises a fixing plate and a rotary table, and a plurality of clamping mechanisms for clamping steel pipes are radially mounted on the rotary table around a rotation center. The distances between the clamping mechanisms and the rotating center of the rotating disc are equal, clamping and loosening mechanisms corresponding to the clamping mechanisms are arranged on the fixing plate, and each clamping mechanism comprises a left clamping block and a right clamping block which are opened and closed under the action of the corresponding clamping and loosening mechanism. According to the self-adaptive steel pipe clamping mechanism for the multi-station rotary table, efficient and automatic steel pipe transfer is achieved, the problem of air pipe winding is avoided, the capacity of self-adaptive clamping of steel pipes with different outer diameters is achieved, the structure is simple, maintenance is easy, and the self-adaptive steel pipe clamping mechanism has great significance in improving the production efficiency and reducing the labor intensity.

Description

Technical Field

[0001] This utility model relates to the field of semiconductor component manufacturing tooling technology, specifically to an adaptive steel pipe clamping mechanism for a multi-station turntable. Background Technology

[0002] In the semiconductor component manufacturing industry, stainless steel tubing is widely used for transporting critical media such as ultrapure water, various gases, and chemicals due to its excellent corrosion resistance and high strength. These stainless steel tubing units are typically supplied in relatively long lengths, such as 3 meters or 6 meters, during the production process. However, depending on specific manufacturing requirements, these long tubes need to be precisely cut to specific lengths for subsequent processing and assembly.

[0003] The cutting process of stainless steel pipes often involves multiple processing steps, each typically set up as an independent workstation. After cutting, the stainless steel pipes need to be transferred between these different workstations for further processing or inspection. Traditional transfer methods rely mainly on manual operation, which is not only inefficient but also labor-intensive, severely impacting overall production rhythm and efficiency.

[0004] While some existing automated transfer solutions can automatically clamp and transfer steel pipes, these devices often have several problems. For example, when using a turntable for multi-station transfer, drive devices such as cylinders are usually directly mounted on the turntable, causing connecting wires such as air pipes to become tangled as the turntable rotates. This not only increases the complexity and maintenance costs of the equipment but may also create safety hazards. Furthermore, these devices often lack adaptability to steel pipes of different outer diameters, resulting in poor clamping performance and potentially damaging the surface of the steel pipes.

[0005] Therefore, in order to address the above problems, there is an urgent need for a clamping mechanism that can efficiently and safely realize multi-station turntable transfer and can adapt to steel pipes with different outer diameters. Utility Model Content

[0006] To address the aforementioned problems, this utility model provides an adaptive steel pipe clamping mechanism for a multi-station turntable. This adaptive steel pipe clamping mechanism for a multi-station turntable not only achieves efficient and automated steel pipe transfer but also avoids the problem of air pipe entanglement. It has the ability to adaptively clamp steel pipes of different outer diameters, and its structure is simple and easy to maintain. It is of great significance for improving production efficiency and reducing labor intensity.

[0007] The technical solution of this utility model is as follows:

[0008] An adaptive steel pipe clamping mechanism for a multi-station turntable includes a fixed plate and a turntable. Several clamping mechanisms for clamping steel pipes are radially installed on the turntable with respect to the rotation center. Each clamping mechanism is equidistant from the rotation center of the turntable. A clamping and releasing mechanism corresponding to the clamping mechanism is provided on the fixed plate. The clamping mechanism includes a left clamping block and a right clamping block that open and close under the action of the clamping and releasing mechanism.

[0009] The clamping mechanism also includes a base plate and an elastic element. The right clamping block is fixed on the base plate, and the left clamping block can be linearly slidably mounted on the base plate. Under the action of the elastic element, the left clamping block fits against the right clamping block in a free state. A notch for clamping the steel pipe is provided at the opposite position of the left and right clamping blocks.

[0010] The elastic element is a tension spring, and the two ends of the tension spring are fixedly connected to the left clamping block and the base plate, respectively.

[0011] A tension spring support a is fixedly installed on the base plate, and a tension spring support b is fixedly installed on the left clamping block. The two ends of the tension spring are fixedly connected to tension spring support a and tension spring support b, respectively.

[0012] A linear guide rail is fixedly mounted on the base plate, and the left clamp is fixedly mounted on the slider of the linear guide rail.

[0013] The corresponding notches on the left and right clamping blocks are both isosceles triangular notches.

[0014] The clamping and releasing mechanism includes a retractable wedge block. When the wedge block retracts, it is not on the travel path of the left clamping block. When the wedge block extends, it blocks the travel path of the left clamping block, pushing the left clamping block to separate from the right clamping block.

[0015] The wedge block is fixedly installed on the telescopic rod of the cylinder, and the cylinder is fixedly installed on the fixed plate.

[0016] A cam follower is installed on the left clamping block, and the end of the wedge block is set in an angled structure to cooperate with the cam follower.

[0017] The turntable is driven to rotate by a DD motor.

[0018] The beneficial effects of this utility model are as follows:

[0019] 1. This utility model discloses an adaptive steel pipe clamping mechanism for a multi-station turntable. The adaptive steel pipe clamping mechanism for a multi-station turntable drives the turntable to rotate through a DD motor, realizing the rapid and accurate transfer of steel pipes between different workstations, which greatly improves production efficiency. At the same time, the extension and retraction of the cylinder piston rod, in conjunction with the opening and closing of the clamping mechanism, realizes the automatic clamping and release of steel pipes, further improving the degree of automation.

[0020] 2. The present invention discloses an adaptive steel pipe clamping mechanism for a multi-station turntable. This adaptive steel pipe clamping mechanism for a multi-station turntable can avoid the problem of air pipe entanglement: the cylinder is fixedly mounted on the fixed plate, and the fixed plate does not rotate with the turntable. This design cleverly avoids the entanglement problem that may occur when the air pipe of the multi-station cylinder rotates with the turntable, which not only reduces the complexity and maintenance cost of the equipment, but also improves the stability and safety of the equipment.

[0021] 3. This utility model discloses an adaptive steel pipe clamping mechanism for a multi-station turntable. This adaptive steel pipe clamping mechanism for a multi-station turntable adaptively clamps steel pipes of different outer diameters: the front ends of the left and right clamping blocks of the clamping mechanism are provided with isosceles triangular notches. This design enables the clamping mechanism to clamp the steel pipe at four points, thereby adapting to steel pipes of different outer diameters; it not only improves the versatility of the equipment, but also avoids the problem of unstable clamping or damage caused by differences in the outer diameter of the steel pipe. Attached Figure Description

[0022] The advantages and solutions of this application will become clear to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this invention.

[0023] In the attached diagram:

[0024] Figure 1 This is a three-dimensional structural schematic diagram of an adaptive steel pipe clamping mechanism for a multi-station turntable according to an embodiment of the present utility model.

[0025] Figure 2 This is a three-dimensional structural diagram of the clamping mechanism of an adaptive steel pipe clamping mechanism for a multi-station turntable according to an embodiment of the present invention.

[0026] Figure 3 This is a schematic diagram of the clamping state of an adaptive steel pipe clamping mechanism for a multi-station turntable according to an embodiment of the present invention.

[0027] Figure 4 This is a schematic diagram of the detachment state of an adaptive steel pipe clamping mechanism for a multi-station turntable according to an embodiment of the present invention.

[0028] The components represented by the various reference numerals in the diagram are:

[0029] This utility model comprises: 1. Base plate; 2. Linear guide rail; 3. Left clamping block; 4. Cam follower; 5. Right clamping block; 6. Tension spring support a; 7. Tension spring support b; 8. Tension spring; 9. Steel pipe; 10. Cylinder; 11. Throttle valve; 12. Magnetic induction switch; 13. Wedge block; 14. Fixing plate; 15. Turntable; 16. DD motor. Detailed Implementation

[0030] like Figure 1 As shown, the adaptive steel pipe clamping mechanism for a multi-station turntable mainly includes a fixed plate 14, a turntable 15, multiple clamping mechanisms, and multiple cylinders 10. These components work together to achieve efficient and automated transfer of steel pipes.

[0031] The turntable 15 serves as the carrier for transporting steel pipes, and its center is connected to the DD motor 16, which drives its rotation. Several clamping mechanisms are radially mounted on the turntable 15, and these clamping mechanisms are equidistant from the rotation center of the turntable 15.

[0032] The fixing plate 14 is used to install components such as the cylinder 10. The fixing plate 14 does not rotate with the turntable 15, thus avoiding the problem of entanglement of the air pipes of the multi-station cylinders as the turntable rotates.

[0033] like Figure 2 As shown, the clamping mechanism includes a base plate 1, a linear guide rail 2, a tension spring support a6, a tension spring support b7, a tension spring 8, a left clamping block 3, a right clamping block 5, and a cam follower 4.

[0034] The base plate 1 is fixedly installed on the turntable 15, and components such as the linear guide rail 2, tension spring support a6 and tension spring support b7 are fixedly installed on the base plate 1.

[0035] The linear guide 2 is used to mount the left clamping block 3, so that the left clamping block 3 can slide linearly on the base plate 1.

[0036] Tension spring support a6 and tension spring support b7: Tension spring support a6 and tension spring support b7 are fixed to the base plate 1 and the left clamping block 3 respectively, and are used to install the tension spring 8. The tension spring 8 provides elastic force between the left clamping block 3 and the right clamping block 5, so that the left clamping block 3 can fit against the right clamping block 5 in a free state.

[0037] The two ends of the tension spring 8 are fixedly connected to the tension spring support a6 and the tension spring support b7, respectively. When the left clamping block 3 is pushed to separate from the right clamping block 5, the tension spring 8 will be stretched; when the piston rod of the cylinder 10 retracts, the tension spring 8 will drive the left clamping block 3 to move to the right under the action of elastic force, clamping the steel pipe with the right clamping block 5.

[0038] The left clamping block 3 and the right clamping block 5 are the main components for clamping the steel pipe. The left clamping block 3 can slide on the linear guide rail 2, while the right clamping block 5 is fixed to the base plate 1. Notches for clamping the steel pipe are provided at the opposite positions of the left clamping block 3 and the right clamping block 5. These notches are in the shape of isosceles triangles, which can clamp the steel pipe at four points and accommodate steel pipes with different outer diameters.

[0039] The cam follower 4 is mounted above the left clamping block 3 and is used to cooperate with the wedge block 13 at the front end of the cylinder 10. When the piston rod of the cylinder 10 extends, the wedge block 13 pushes the cam follower 4, causing the left clamping block 3 to slide along the linear guide rail 2 and separate from the right clamping block 5.

[0040] The cylinder 10 is a key component of the clamping and releasing mechanism, and its number is the same as that of the clamping mechanism. The cylinder 10 is fixedly mounted on the fixed plate 14, and its mounting position corresponds to the stop position of the clamping mechanism on the turntable 15. A wedge block 13 is provided at the front end of the cylinder 10. The end of the wedge block 13 is machined into an angled structure, which is used to cooperate with the cam follower 4 to push the left clamping block 3 to move.

[0041] An exhaust throttle valve 11 is installed in each of the two air ports of the cylinder 10 to control the speed of the piston rod extension and retraction of the cylinder 10. At the same time, magnetic induction switches 12 are installed at the front and rear limit positions of the cylinder 10 to detect the position of the piston rod of the cylinder 10 and ensure that the operation of the cylinder 10 is accurate and reliable.

[0042] The working principle of the adaptive steel pipe clamping mechanism for multi-station turntables is as follows:

[0043] In the initial state, such as Figure 3 As shown, the DD motor 16 is not started, and the turntable 15 is stationary. At this time, the left clamping block 3 of each clamping mechanism is in contact with the right clamping block 5 under the action of the tension spring 8, and is in a clamping state. The piston rod of the cylinder 10 is in a retracted state, and the wedge block 13 is not on the travel path of the left clamping block 3.

[0044] When it is necessary to clamp the steel pipe, the DD motor 16 starts, driving the turntable 15 to rotate to the starting position. At this time, the piston rod of the cylinder 10 at the starting position extends, and the wedge block 13 at the front end of the cylinder 10 pushes the cam follower 4 above the left clamping block 3 of the clamping mechanism. Under the action of the cam follower 4, the left clamping block 3 moves away from the right clamping block 5 along the linear guide 2, causing the left clamping block 3 and the right clamping block 5 to separate. The separation distance should be greater than the outer diameter of the steel pipe 9 to be clamped to ensure that the steel pipe can be smoothly inserted into the triangular notch at the front end of the right clamping block 5. Figure 4 As shown.

[0045] After the steel pipe 9 is placed into the triangular notch at the front end of the right clamping block 5, the piston rod of the cylinder 10 retracts. At this time, the wedge block 13 moves away from the rotation range of the clamping mechanism, and the left clamping block 3 moves closer to the right clamping block 5 under the action of the tension spring 8. Since the notches of the left clamping block 3 and the right clamping block 5 are isosceles triangles, the steel pipe 9 can be clamped at four points and clamped at the notch.

[0046] After the steel pipe is clamped, the DD motor 16 starts again, driving the turntable 15 to rotate. The clamping mechanism on the turntable 15 and the steel pipe then rotate to the next station. At the next station, the material handling mechanism of the processing equipment clamps the steel pipe 9, the piston rod of the cylinder 10 at the current station extends, and the clamping mechanism releases the steel pipe 9. The material handling mechanism then removes the steel pipe 9 for processing.

[0047] Through the cyclical operation of the above steps, the clamping mechanism of this utility model can realize multi-station transfer of steel pipes. During the transfer process, the cylinder 10 is mounted on the fixed plate 14, which does not rotate, thus avoiding the entanglement problem that occurs when the multi-station cylinder pipes rotate with the turntable. At the same time, the tension spring 8 is used to tighten the left clamping block 3 to clamp the steel pipe 9 to be transferred. The notches of the left clamping block 3 and the right clamping block 5 are in the shape of isosceles triangles, which can accommodate steel pipes 9 with different outer diameters, thus having high applicability. Example

[0048] An adaptive steel pipe clamping mechanism for a multi-station turntable includes a turntable 15 and a fixed plate 14, multiple clamping mechanisms mounted on the turntable 15, and multiple cylinders 10 mounted on the fixed plate 14. The number of clamping mechanisms and cylinders 10 is the same, and the mounting positions of the cylinders 10 on the fixed plate 14 correspond to the stop positions of the clamping mechanisms on the turntable 15. The clamping mechanism includes a base plate 1, a linear guide rail 2 mounted on the base plate 1, two tension spring supports a6 mounted on one side of the base plate 1, a left clamping block 3 mounted on the slider of the linear guide rail 2, a cam follower 4 mounted above the left clamping block 3, two tension spring supports b7 mounted on the side, a tension spring 8 mounted between the tension spring supports a6 and b7, and a right... The clamping block 5 has an L-shaped right clamping block. The left clamping block 3 and right clamping block 5 have isosceles triangular notches at their closing positions, with rounded chamfers at the edges. Each station of the turntable 15 has a clamping mechanism corresponding to the position of the cylinder 10. A wedge block 13 is positioned at the front end of the cylinder 10, with the front end of the wedge block 13 machined at an angle. When the piston rod of the cylinder 10 extends, the wedge block 13 pushes the cam follower 4, causing the left clamping block 3 to separate from the right clamping block 5. The separation distance should be greater than the outer diameter of the steel pipe 9 to be clamped. When the cylinder 10... When the plunger retracts, the front end of the wedge block 13 disengages from the rotation range of the cam follower 4 above the clamping mechanism along the center of the turntable 15; an exhaust throttling valve 11 is installed in the two air holes of the cylinder 10, and magnetic induction switches 12 are installed at the front and rear limit positions respectively; in use, the DD motor starts, the turntable 15 rotates to the starting position, the piston rod of the cylinder 10 extends, and the wedge block 13 at the front end of the cylinder 10 pushes the cam follower 4 above the left clamping block 3 of the clamping mechanism, causing the left clamping block 3 to move away from the right clamping block 5 along the linear guide rail 2, and placing the steel pipe 9. When the right clamping block 3 enters the triangular notch at its front end, the piston rod of the cylinder 10 retracts, and the wedge block 13 moves away from the rotation range of the clamping mechanism. Under the action of the tension spring 8, the left clamping block 3 approaches the right clamping block 5, clamping the steel pipe 9 at the notch between the left clamping block 3 and the right clamping block 5. The DD motor drives the turntable 15 to rotate, transferring the clamping mechanism and the steel pipe at the current station to the next station. The material handling mechanism of the processing equipment clamps the steel pipe 9, the piston rod of the cylinder 10 at the current station extends, the clamping mechanism releases the steel pipe 9, and the material handling mechanism takes away the steel pipe 9 for processing.

Claims

1. An adaptive steel pipe clamping mechanism for a multi-station turntable, comprising a fixed plate (14) and a turntable (15), characterized in that, Several clamping mechanisms for clamping steel pipes (9) are installed radially on the turntable (15) with respect to the rotation center. Each clamping mechanism is equidistant from the rotation center of the turntable (15). A clamping and releasing mechanism corresponding to the clamping mechanism is provided on the fixed plate (14). The clamping mechanism includes a left clamping block (3) and a right clamping block (5) that open and close under the action of the clamping and releasing mechanism.

2. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 1, characterized in that, The clamping mechanism also includes a base plate (1) and an elastic element. The right clamping block (5) is fixed on the base plate (1), and the left clamping block (3) can be linearly slidably installed on the base plate (1). Under the action of the elastic element, the left clamping block (3) fits against the right clamping block (5) in a free state. A notch for clamping the steel pipe (9) is provided at the opposite position of the left clamping block (3) and the right clamping block (5).

3. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 2, characterized in that, The elastic element is a tension spring (8), and the two ends of the tension spring (8) are fixedly connected to the left clamping block (3) and the base plate (1) respectively.

4. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 2, characterized in that, A tension spring support a (6) is fixedly installed on the base plate (1), and a tension spring support b (7) is fixedly installed on the left clamping block (3). The two ends of the tension spring (8) are fixedly connected to the tension spring support a (6) and the tension spring support b (7) respectively.

5. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 2, characterized in that, A linear guide rail (2) is fixedly installed on the base plate (1), and the left clamping block (3) is fixedly installed on the slider of the linear guide rail (2).

6. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 2, characterized in that, The corresponding notches on the left clamping block (3) and the right clamping block (5) are both isosceles triangular notches.

7. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 2, characterized in that, The clamping and releasing mechanism includes a retractable wedge block (13). When the wedge block (13) retracts, it is not on the travel path of the left clamping block (3). When the wedge block (13) extends, it blocks the travel path of the left clamping block (3) and pushes the left clamping block (3) and the right clamping block (5) apart.

8. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 7, characterized in that, The wedge block (13) is fixedly installed on the telescopic rod of the cylinder (10), and the cylinder (10) is fixedly installed on the fixing plate (14).

9. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 7, characterized in that, A cam follower (4) is installed on the left clamp (3), and the end of the wedge block (13) is set into an angled structure that cooperates with the cam follower (4).

10. The adaptive steel pipe clamping mechanism for a multi-station turntable according to claim 8, characterized in that, The turntable (15) is driven to rotate by a DD motor (16).

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