Lateral limiting pneumatic rotating air cylinder with hydraulic buffer

Abstract

The utility model discloses a side limit pneumatic rotary cylinder with a hydraulic buffer, which relates to the technical field of rotary cylinders and comprises a device body, a limit hoop, a hard limit piece and a hard limit connector, the hard limit connector is arranged at one end of the device body, the hard limit piece is arranged inside the hard limit connector, and the hydraulic buffer is arranged in the hard limit connector. The hard limiting piece comprises a hard limiting ring, a fixing groove is formed in the hard limiting connecting body, the hard limiting piece and the hard limiting connecting body are connected through threads, and the limiting hoop is arranged on the outer wall of the hard limiting piece. The limiting effect can be achieved through the designed limiting hoop, the hard limiting piece and the hard limiting connecting body, adjustment of different strokes can be conducted under the action of threaded connection, operation of workers is facilitated, the practicability of equipment is improved, and the limiting device has the advantages of being simple in structure, high in reliability, rapid in action, capable of adapting to different working environments and the like. The device is widely applied to automatic production lines, robots and other fields.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary cylinders, and particularly relates to a side-limited pneumatic rotary cylinder with a hydraulic buffer. Background Technique

[0002] In order to meet the requirements of different industries and scenarios, the design of cylinders is becoming more and more diversified. Among them, a side-limited pneumatic rotary cylinder with a hydraulic buffer is also an optimized design according to the requirements of different industries and scenarios. The side-limited pneumatic rotary cylinder with a hydraulic buffer is a device used in a pneumatic system. It slows down the impact and controls the position through a hydraulic buffer and a limiting device, thereby improving the safety and stability of the system. Many different limited pneumatic rotary cylinders with hydraulic buffers have been manufactured on the market. When using the side-limited pneumatic rotary cylinder with a hydraulic buffer, although the buffer can slow down the impact, the limit does not achieve smooth stopping, arbitrary adjustment of the stroke and rotation angle and other performances. If the space reserved for the limiting device is not enough, it is easy to cause interference between the limit and other components. In terms of installation, if it is installed outside the cylinder, the overall size of the cylinder either increases or heightens. Therefore, these are all the current deficiencies of the side-limited pneumatic rotary cylinder with a hydraulic buffer. Therefore, a more safe and stable limiting function is needed, and the installation method needs to be convenient, simplified and firm. Summary of the Utility Model

[0003] The utility model provides a side-limited pneumatic rotary cylinder with a hydraulic buffer to solve the problems raised in the above background technique.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A side-limited pneumatic rotary cylinder with a hydraulic buffer includes a device body, a limit clamp, a hard limit member, and a hard limit connection body. The hard limit connection body is arranged at one end of the device body. The hard limit member is arranged inside the hard limit connection body. The hard limit member includes a hard limit ring. A fixing groove is formed inside the hard limit connection body. The hard limit member and the hard limit connection body are connected by threads. The limit clamp is arranged on the outer wall of the hard limit member.

[0006] A further improvement of the technical solution of the utility model lies in that: the outer wall of the hard limit connection body is provided with a third thread pattern, and a thread groove adapted to the third thread pattern is formed at one end of the device body. The hard limit connection body is threadedly engaged with the device body at one end through the third thread pattern and the thread groove.

[0007] Adopting the above technical solution, the hard limit connecting body in this solution can be adjusted in different strokes through the action of the third thread pattern and the thread groove, which is convenient for the staff to operate and improves the practicability of the equipment.

[0008] A further improvement of the technical solution of the present utility model lies in that: the fixing groove and the hard limit ring are adapted to each other, the hard limit ring is arranged inside the fixing groove, the outer wall of the hard limit ring is provided with a first thread pattern, and the inner wall of the fixing groove is provided with a second thread pattern.

[0009] A further improvement of the technical solution of the present utility model lies in that: the hard limit ring is threadedly engaged inside the fixing groove through the first thread pattern and the second thread pattern, and the hard limit member is engaged and connected together through the fixing groove, the hard limit ring and the hard limit connecting body.

[0010] Adopting the above technical solution, when the hard limit member in this solution rotates, it can move inside the fixing groove under the action of the first thread pattern and the second thread pattern being engaged together, and can be adjusted in different strokes, which is convenient for the staff to operate and improves the practicability of the equipment.

[0011] A further improvement of the technical solution of the present utility model lies in that: a screw groove is provided on one side of the device body, a countersunk head screw is engaged inside the screw groove, and the limit clamp is connected to the device body through the countersunk head screw.

[0012] Adopting the above technical solution, the limit clamp in this solution is adjustable. The hard limit member is locked by the limit clamp on the side. When the rotation angle needs to be adjusted, loosen the limit clamp and use an inner hexagon wrench to adjust according to the scale, or loosen the side countersunk head screw for manual adjustment.

[0013] A further improvement of the technical solution of the present utility model lies in that: a gear is provided inside the device body, a rack piston is provided inside the device body, the number of the rack pistons is two, and they are respectively oppositely arranged inside the device body, a tooth groove is provided on one side wall of the rack piston, and the gear is engaged inside the tooth groove.

[0014] Adopting the above technical solution, the gear and the tooth groove in this solution are engaged together. The rotating cylinder realizes the rotating driving function of the cylinder through the engagement of the gear and the tooth groove.

[0015] A further improvement of the technical solution of the present utility model lies in that: the hard limit member includes a hard limit rod, a through groove is provided inside the hard limit connecting body, the hard limit rod is arranged inside the through groove, and a buffer device is provided at one end of the device body.

[0016] With the above technical solution, the buffer device in the solution can play a buffering role. The rack piston moves and impacts the buffer device, but has not reached the specified position yet. At this time, the buffer device plays a role in buffering the impact and slowing down the moving speed of the rack piston, making the rack piston slowly approach the hard limit rod until it reaches the specified position. Through the designed limiting mechanism and buffer device, the precise position of the movement can be ensured and the impact can be reduced, so as to protect the equipment, improve the working efficiency and stability of the equipment. In the automated production line, precise control can also be effectively achieved to ensure the safety of the production process.

[0017] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is:

[0018] The present utility model provides a side-limited pneumatic rotary cylinder with a hydraulic buffer. Through the designed limit clamp, hard limit piece, and hard limit connecting body, the effect of limiting can be achieved, and under the action of threaded connection, different stroke adjustments can be made, which is convenient for the staff to operate and improves the practicability of the equipment. It has the advantages of simple structure, high reliability, rapid action, and can adapt to different working environments, and is widely used in various fields such as automated production lines and robots.

[0019] The present utility model provides a side-limited pneumatic rotary cylinder with a hydraulic buffer. The buffer device provided can play a buffering role. When the rack piston moves and impacts the buffer device, but has not reached the specified position yet, the buffer device plays a role in buffering the impact and slowing down the moving speed of the rack piston, making the rack piston slowly approach the hard limit rod until it reaches the specified position, so as to achieve the purpose of reducing the impact, protect the equipment, improve the working efficiency and stability of the equipment. In the automated production line, precise control can also be effectively achieved to ensure the safety of the production process. Brief Description of the Drawings

[0020] Figure 1 is the front view of the side-limited pneumatic rotary cylinder with a hydraulic buffer according to the embodiment of the present utility model;

[0021] Figure 2 is the internal structure diagram of the device body of the side-limited pneumatic rotary cylinder with a hydraulic buffer according to the embodiment of the present utility model;

[0022] Figure 3 is the structure diagram of the hard limit connecting body of the side-limited pneumatic rotary cylinder with a hydraulic buffer according to the embodiment of the present utility model;

[0023] Figure 4 is the structure diagram of the hard limit piece of the side-limited pneumatic rotary cylinder with a hydraulic buffer according to the embodiment of the present utility model.

[0024] In the figure: 1, device body; 2, limit clamp; 3, hard limit member; 301, hard limit ring; 302, first thread pattern; 303, hard limit rod; 4, hard limit connecting body; 401, second thread pattern; 402, fixing groove; 403, third thread pattern; 404, through groove; 5, gear; 6, rack piston; 601, tooth groove; 7, countersunk head screw; 8, buffer device. Detailed implementation manner

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] The present invention will be further described in detail below with reference to the embodiments: Embodiment 1

[0027] As Figures 1 - 4 shown, the present invention provides a side limit pneumatic rotary cylinder with a hydraulic buffer, including a device body 1, a limit clamp 2, a hard limit member 3, and a hard limit connecting body 4. The hard limit connecting body 4 is arranged at one end of the device body 1, and the hard limit member 3 is arranged inside the hard limit connecting body 4. The hard limit member 3 includes a hard limit ring 301. A fixing groove 402 is formed inside the hard limit connecting body 4. The hard limit member 3 and the hard limit connecting body 4 are connected by threads. The limit clamp 2 is arranged on the outer wall of the hard limit member 3.

[0028] In this embodiment, the designed limit clamp 2, hard limit member 3, and hard limit connecting body 4 can achieve the limit effect, and different stroke adjustments can be made under the action of threaded connection, which is convenient for the staff to operate, improves the practicability of the equipment, and has the advantages of simple structure, high reliability, rapid action, and adaptability to different working environments. It is widely used in various fields such as automated production lines and robots. Embodiment 2

[0029] As Figures 1 - 4As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the outer wall of the hard limit connector 4 is provided with a third thread pattern 403, and one end of the device body 1 is provided with a thread groove compatible with the third thread pattern 403, the hard limit connector 4 is threadedly engaged with one end of the device body 1 through the third thread pattern 403 and the thread groove, the fixed groove 402 and the hard limit ring 301 are compatible, the hard limit ring 301 is arranged inside the fixed groove 402, the outer wall of the hard limit ring 301 is provided with a first thread pattern 302, and the inner wall of the fixed groove 402 is provided with a second thread pattern 401, the hard limit ring 301 is threadedly engaged with the inside of the fixed groove 402 through the first thread pattern 302 and the second thread pattern 401, and the hard limit member 3 is engaged and connected together through the fixed groove 402, the hard limit ring 301 and the hard limit connector 4.

[0030] In this embodiment, the hard limit connector 4 can be adjusted to different strokes through the action of the third thread pattern 403 and the thread groove, which is convenient for staff to operate and improves the practicability of the equipment. The hard limit component 3 can rotate and move inside the fixed groove 402 under the action of the engagement of the first thread pattern 302 and the second thread pattern 401, and can be adjusted to different strokes, which is convenient for staff to operate and improves the practicability of the equipment. Example 3

[0031] like Figures 1 - 4 As shown, on the basis of Example 1 and Example 2, the utility model provides a technical solution: preferably, a screw groove is opened on one side of the device body 1, and a countersunk screw 7 is meshed inside the screw groove, the limit clamp 2 is connected to the device body 1 through the countersunk screw 7, a gear 5 is provided inside the device body 1, and a rack piston 6 is provided inside the device body 1. The number of rack pistons 6 is two, and they are respectively opposite to each other inside the device body 1, a tooth groove 601 is opened on one side wall of the rack piston 6, and the gear 5 is meshed inside the tooth groove 601, the hard limit part 3 includes a hard limit rod 303, a through groove 404 is opened inside the hard limit connector 4, the hard limit rod 303 is arranged inside the through groove 404, and a buffer device 8 is provided at one end of the device body 1.

[0032] In this embodiment, the limit clamp 2 is adjustable. The hard limit member 3 is locked by the limit clamp 2 on the side. When the rotation angle needs to be adjusted, loosen the limit clamp 2 and use an Allen wrench to adjust according to the scale, or loosen the countersunk head screw 7 on the side for manual adjustment. The gear 5 and the tooth groove 601 are engaged together. The rotation of the cylinder is driven through the engagement of the gear 5 and the tooth groove 601, so as to realize the rotation driving function of the cylinder. The buffer device 8 can play a buffering role. The rack piston 6 moves and impacts the buffer device 8, but has not reached the specified position yet. At this time, the buffer device 8 plays a role in buffering the impact and slowing down the moving speed of the rack piston 6, so that the rack piston 6 slowly approaches the hard limit rod 303 until it reaches the specified position. Through the designed limit mechanism and the buffer device 8, the precise position of the movement can be ensured and the impact can be reduced, so as to protect the equipment, improve the working efficiency and stability of the equipment. In an automated production line, precise control can also be effectively realized to ensure the safety of the production process.

[0033] The working principle of the side limit pneumatic rotary cylinder with a hydraulic buffer will be specifically described below.

[0034] As Figures 1 - 4 shown, the hard limit connecting body 4 can be adjusted for different strokes through the action of the third thread pattern 403 and the thread groove. And the hard limit member 3 can rotate and move inside the fixed groove 402 under the action of the engagement of the first thread pattern 302 and the second thread pattern 401, and can be adjusted for different strokes. The hard limit member 3 is locked by the limit clamp 2 on the side. When the rotation angle needs to be adjusted, loosen the limit clamp 2 and use an Allen wrench to adjust according to the scale, or loosen the countersunk head screw 7 on the side for manual adjustment. The rotation of the cylinder is driven through the engagement of the gear 5 and the tooth groove 601. The rack piston 6 moves and impacts the buffer device 8, but has not reached the specified position yet. At this time, the buffer device 8 plays a role in buffering the impact and slowing down the moving speed of the rack piston 6, so that the rack piston 6 slowly approaches the hard limit rod 303 until it reaches the specified position.

[0035] The above has generally described the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the art. Therefore, any modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A side limit pneumatic rotary cylinder with a hydraulic buffer, comprising a device body (1), a limit clamp (2), a hard limit member (3), and a hard limit connecting body (4), characterized in that: The hard limit connecting body (4) is provided at one end of the device body (1), the hard limit member (3) is provided inside the hard limit connecting body (4), the hard limit member (3) includes a hard limit ring (301), a fixing groove (402) is formed inside the hard limit connecting body (4), the hard limit member (3) and the hard limit connecting body (4) are connected by threads, and the limit clamp (2) is provided on the outer wall of the hard limit member (3).

2. The side limit pneumatic rotary cylinder with a hydraulic buffer according to claim 1, wherein: The outer wall of the hard limit connecting body (4) is provided with third thread patterns (403), a thread groove adapted to the third thread patterns (403) is formed at one end of the device body (1), and the hard limit connecting body (4) is threadedly engaged with the device body (1) at one end through the third thread patterns (403) and the thread groove.

3. The side limit pneumatic rotary cylinder with a hydraulic buffer according to claim 2, wherein: The fixing groove (402) is adapted to the hard limit ring (301), the hard limit ring (301) is provided inside the fixing groove (402), a first thread pattern (302) is provided on the outer wall of the hard limit ring (301), and a second thread pattern (401) is formed on the inner wall of the fixing groove (402).

4. The side limit pneumatic rotary cylinder with a hydraulic buffer according to claim 3, characterized in that: The hard limit ring (301) is threadedly engaged inside the fixing groove (402) through the first thread pattern (302) and the second thread pattern (401), and the hard limit member (3) is engaged and connected together through the fixing groove (402), the hard limit ring (301) and the hard limit connecting body (4).

5. The side limit pneumatic rotary cylinder with a hydraulic buffer according to claim 4, characterized in that: A screw slot is formed on one side of the device body (1), a countersunk head screw (7) is engaged inside the screw slot, and the limit clamp (2) is connected to the device body (1) through the countersunk head screw (7).

6. The side limit pneumatic rotary cylinder with a hydraulic buffer according to claim 5, characterized in that: A gear (5) is provided inside the device body (1), a rack piston (6) is provided inside the device body (1), the number of the rack pistons (6) is two, and they are respectively oppositely provided inside the device body (1), a tooth groove (601) is formed on one side wall of the rack piston (6), and the gear (5) is engaged inside the tooth groove (601).

7. A side limit pneumatic rotary cylinder with a hydraulic buffer according to claim 6, characterized in that: The hard limit member (3) includes a hard limit rod (303), a through groove (404) is formed inside the hard limit connecting body (4), the hard limit rod (303) is provided inside the through groove (404), and a buffer device (8) is provided at one end of the device body (1).

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