Air cylinder with anti-rotation structure

Abstract

The utility model discloses an air cylinder with an anti-rotation structure. The air cylinder comprises an air cylinder body and the anti-rotation structure connected with the air cylinder body. The anti-rotation structure comprises a shaft body fixing end connected with the output end of the air cylinder; the shell fixing end is connected with a shell of the air cylinder; one end of the guide rod is connected with the shaft body fixing end, and the other end of the guide rod is inserted into the shell fixing end and matched with the shell fixing end. The shaft body fixing end connected with the output end of the air cylinder and the shell fixing end connected with the shell of the air cylinder are designed and connected through the guide rod, when the output end of the air cylinder stretches out, the guide rod can be driven to move in the shell fixing end, and when the output end of the air cylinder rotates, limiting of the output end of the air cylinder is completed through the wire. And the output end of the cylinder is prevented from rotating during working to influence the working of the cylinder.

Description

Technical Field

[0001] This utility model relates to the field of cylinders, specifically a cylinder with an anti-rotation structure. Background Technology

[0002] A cylinder is a cylindrical metal component that guides a piston in linear reciprocating motion within the cylinder. In an engine cylinder, air expands, converting thermal energy into mechanical energy; in a compressor cylinder, gas is compressed by the piston, increasing its pressure.

[0003] The housing of turbines, rotary piston engines, and similar devices is often referred to as a "cylinder." Applications of cylinders include: printing (tension control), semiconductors (spot welding machines, chip grinding), automation control, robotics, and more.

[0004] Because the cylinder piston (output end) and cylinder barrel are circular, the piston rod will rotate when the cylinder extends, affecting the use of the cylinder. Utility Model Content

[0005] Purpose of the utility model: To provide a cylinder with an anti-rotation structure to solve the above-mentioned problems existing in the prior art.

[0006] Technical solution: A cylinder with an anti-rotation structure, comprising:

[0007] A cylinder, and an anti-rotation structure connected to the cylinder;

[0008] The anti-rotation structure includes:

[0009] The fixed end of the shaft is connected to the output end of the cylinder;

[0010] The housing fixed end is connected to the outer shell of the cylinder;

[0011] The guide rod has one end connected to the fixed end of the shaft and the other end inserted into the fixed end of the housing and adapted to the fixed end of the housing.

[0012] This invention designs a shaft fixed end connected to the cylinder output end and a housing fixed end connected to the cylinder housing, and connects them through a guide rod. When the cylinder output end extends, it can drive the guide rod to move within the housing fixed end. When the cylinder output end rotates, the cylinder output end is limited by a wire, thus preventing the cylinder output end from rotating during operation and affecting the cylinder's operation.

[0013] In a further embodiment, the shaft fixing end includes:

[0014] A shaft fixing bracket is connected to the guide rod, and the shaft fixing bracket has a shaft fixing groove, a shaft groove and multiple shaft limiting holes;

[0015] The shaft body fixing member is arranged in the shaft body fixing frame and abuts against the output end of the air cylinder.

[0016] In further embodiments, the shaft body fixing member comprises:

[0017] The shaft body clamping driving unit comprises a shaft body fixing gear arranged in the shaft body fixing frame, a shaft body gear shaft installed on the shaft body fixing gear and extending out of the shaft body fixing frame, a shaft body handle installed on the shaft body gear shaft, and a shaft body limiting pin inserted on the shaft body handle and matched with the shaft body limiting hole.

[0018] The shaft body gear shaft is matched with the shaft body shaft groove, and the plurality of shaft body limiting holes are located on the circumferential part of the shaft body shaft groove.

[0019] The shaft body clamping unit is designed in two groups, which are centrally symmetrically distributed along the center of the fixing gear in the shaft body fixing frame, each group comprising a shaft body fixing rack meshing with the shaft body fixing gear, a shaft body fixing movable block connected with the shaft body fixing rack, a shaft body fixing rod connected with the shaft body fixing movable block, and a shaft body clamping claw connected with the shaft body fixing rod.

[0020] A cavity is formed in the shaft body fixing frame for the movement of the shaft body clamping unit.

[0021] One end of the shaft body fixing rod is connected with the shaft body fixing movable block, and the other end extends into the shaft body fixing groove.

[0022] The shaft body clamping claw is located in the shaft body fixing groove and abuts against the output end of the air cylinder.

[0023] The shaft body fixing end is designed to be connected with the output end of the air cylinder, and this quick release connection makes a anti-rotation structure applicable to multiple types of air cylinders.

[0024] Meanwhile, one driving source drives two groups of shaft body clamping units to move simultaneously, making the clamping of the output end of the air cylinder more stable.

[0025] In further embodiments, the shell fixing end comprises:

[0026] The shell fixing shell has a rod groove matched with the guide rod.

[0027] The shell bottom plate is installed at the bottom of the shell fixing shell, and the shell bottom plate has a shell shaft groove and a plurality of shell limiting holes distributed circumferentially along the shell shaft groove on the back thereof.

[0028] The shell fixing member is installed on the shell bottom plate and located inside the shell fixing shell.

[0029] In further embodiments, the shell fixing member comprises:

[0030] The shell clamping driving unit comprises a linkage disc arranged on the shell bottom plate, a shell gear shaft connected with the linkage disc and penetrating through the shell shaft slot, a shell handle connected with the shell gear shaft, and a shell limiting pin inserted into the shell handle and matched with the shell limiting hole;

[0031] The shell clamping unit is designed as four groups and is distributed along the circumference of the linkage disc, each group comprising a sliding rail mounted on the shell bottom plate, a sliding block arranged on the sliding rail, a linkage fixing block connected with the sliding rail, and a shell clamping claw mounted on the linkage fixing block;

[0032] A linkage rod is hingedly arranged at the edge of the linkage disc and the linkage fixing block;

[0033] The shell clamping claw abuts against the shell of the air cylinder.

[0034] The shell fixing end is designed to fix the shell of the air cylinder, the quick release mode makes the disassembly and assembly more convenient, and one driving source drives the four groups of shell clamping units to fix the shell of the air cylinder, so that the fixing is more stable.

[0035] Beneficial effects: The utility model discloses a cylinder with anti -rotation structure, the utility model discloses a shaft body fixed end that is connected with the cylinder output end is designed, the shell fixed end that is connected with the shell of cylinder, and through the lead rod link, when the cylinder output end stretches out, can drive lead rod and move in the shell fixed end, when the cylinder output end rotates, through the wire and completes the location of cylinder output end, avoided the cylinder output end when working, rotates, influence cylinder's work. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 It is the structure schematic diagram of the utility model.

[0037] Figure 2 It is the anti -rotation structure schematic diagram of the utility model.

[0038] Figure 3 It is the structure schematic diagram of the shaft body fixed end of the utility model.

[0039] Figure 4 It is the structure schematic diagram of the shell fixed end of the utility model.

[0040] Figure 5 It is the internal structure schematic diagram of the shell fixed end of the utility model.

[0041] Figure 6 It is the structure schematic diagram of the back of the shell bottom plate of the utility model.

[0042] The reference signs are:

[0043] 1. Cylinder;

[0044] 2. Anti-rotation structure;

[0045] 21. Shaft body fixed end; 211. Shaft body fixing frame; 211A. Shaft body limiting hole; 211B. Shaft body fixing groove; 211C. Shaft body shaft groove;

[0046] 212. Shaft body fixed gear; 213. Shaft body gear shaft; 214. Shaft body handle; 215. Shaft body limiting pin; 216. Shaft body fixed rack; 217. Shaft body movable block; 218. Shaft body fixing rod; 219. Shaft body claw;

[0047] 22. Guide rod;

[0048] 23. Housing fixed end; 231. Housing fixing shell; 231A. Rod groove;

[0049] 232. Housing bottom plate; 232A. Housing shaft groove; 232A1. Housing gear shaft; 232A2. Housing handle; 232A3. Housing limiting pin;

[0050] 232B. Housing limiting hole;

[0051] 233. Housing fixing part; 233A. Linkage disc; 233B. Linkage rod; 233C. Slide rail; 233D. Slide block; 233E. Linkage fixed block; 233F. Housing claw; DETAILED DESCRIPTION

[0052] The present application relates to a cylinder with an anti-rotation structure, which will be explained in detail through specific embodiments.

[0053] A cylinder with an anti-rotation structure, comprising:

[0054] Cylinder 1, and anti-rotation structure 2 connected with the cylinder 1;

[0055] The anti-rotation structure 2 comprises:

[0056] Shaft body fixed end 21 connected with the output end of the cylinder 1, comprising:

[0057] Shaft body fixing frame 211 connected with the guide rod 22, the shaft body fixing frame 211 is provided with shaft body fixing groove 211B, shaft body shaft groove 211C and a plurality of shaft body limiting holes 211A;

[0058] Shaft body fixing part, arranged in the shaft body fixing frame 211, and abutting with the output end of the cylinder 1.

[0059] The shaft body fixing part comprises:

[0060] The shaft body clamping driving unit comprises a shaft body fixed gear 212 arranged in the shaft body fixed frame 211, a shaft body gear shaft 213 installed on the shaft body fixed gear 212 and extending out of the shaft body fixed frame 211, a shaft body handle 214 installed on the shaft body gear shaft 213, and a shaft body limiting pin 215 inserted on the shaft body handle 214 and matched with the shaft body limiting hole 211A.

[0061] The shaft body gear shaft 213 is matched with the shaft body shaft groove 211C, and the plurality of shaft body limiting holes 211A are located at the circumferential portion of the shaft body shaft groove 211C.

[0062] The shaft body clamping unit is designed in two groups, which are centrally symmetrically distributed along the center of the fixed gear in the shaft body fixed frame 211, each group comprising a shaft body fixed rack 216 engaged with the shaft body fixed gear 212, a shaft body fixed movable block 217 connected with the shaft body fixed rack 216, a shaft body fixed rod 218 connected with the shaft body fixed movable block 217, and a shaft body clamping claw 219 connected with the shaft body fixed rod 218.

[0063] A cavity for the movement of the shaft body clamping unit is formed in the shaft body fixed frame 211.

[0064] One end of the shaft body fixed rod 218 is connected with the shaft body fixed movable block 217, and the other end extends into the shaft body fixed groove 211B.

[0065] The shaft body clamping claw 219 is located in the shaft body fixed groove 211B and abuts against the output end of the air cylinder 1.

[0066] The shaft body fixed end 21 is designed to be connected with the output end of the air cylinder 1, and the quick release connection makes one anti-rotation structure 2 applicable to multiple types of air cylinders 1.

[0067] Meanwhile, two groups of shaft body clamping units are driven by one driving source to move simultaneously, so that the clamping of the output end of the air cylinder 1 is more stable.

[0068] The housing fixed end 23 is connected with the shell of the air cylinder 1 and comprises:

[0069] The housing fixed shell 231 has a rod groove 231A matched with the guide rod 22.

[0070] The housing bottom plate 232 is installed at the bottom of the housing fixed shell 231, and the housing bottom plate 232 has a housing shaft groove 232A and a plurality of housing limiting holes 232B distributed circumferentially along the housing shaft groove 232A at the back of the housing bottom plate 232.

[0071] The housing fixing part 233 is installed on the housing bottom plate 232 and located inside the housing fixed shell 231.

[0072] The shell fixing part 233 comprises:

[0073] The shell clamping driving unit comprises a linkage disc 233A arranged on the shell bottom plate 232, a shell gear shaft 232A1 connected with the linkage disc 233A and penetrating through the shell shaft slot 232A, a shell handle 232A2 connected with the shell gear shaft 232A1, and a shell limiting pin 232A3 inserted into the shell handle 232A2 and matched with the shell limiting hole 232B;

[0074] The shell clamping unit is designed as four groups and is distributed circumferentially along the linkage disc 233A, each group comprising a sliding rail 233C installed on the shell bottom plate 232, a sliding block 233D arranged on the sliding rail 233C, a linkage fixed block 233E connected with the sliding rail 233C, and a shell clamping claw 233F installed on the linkage fixed block 233E;

[0075] The linkage rod 233B is hinged at the edge of the linkage disc 233A and the linkage fixed block 233E;

[0076] The shell clamping claw 233F abuts against the shell of the air cylinder 1.

[0077] The shell fixing end 23 is designed to fix the shell of the air cylinder 1, the disassembly and assembly are more convenient through the quick release mode, and four groups of shell clamping units are driven by one driving source to complete the shell fixing of the air cylinder 1, so that the fixing is more stable.

[0078] The guide rod 22 is connected with the shaft fixing end 21 at one end and is inserted into the shell fixing end 23 at the other end and is matched with the shell fixing end 23. The guide rod 22 is designed as at least one, and two are taken as examples in the embodiment.

[0079] The utility model discloses a shaft fixing end 21 connected with the output end of the air cylinder 1, a shell fixing end 23 connected with the shell of the air cylinder 1, and a guide rod 22 is connected, when the output end of the air cylinder 1 is stretched out, can drive guide rod 22 motion in shell fixing end 23, when the output end of the air cylinder 1 rotates, through the wire, the limiting of the output end of the air cylinder 1 is completed, when the output end of the air cylinder 1 works, the rotation is avoided, and the work of the air cylinder 1 is influenced.

[0080] Working principle explanation: when working, first, the shell fixing end 23 and the shaft fixing end 21 are installed on the shell and the output end of the air cylinder 1.

[0081] When fixing, the shell of the air cylinder 1 is placed into the shell fixing shell 231, and the output end of the air cylinder 1 is inserted into the shaft fixing slot 211B.

[0082] When the shell fixed end 23 is installed, the worker rotates the shell handle 232A2, drives the shell gear shaft 232A1 to rotate, drives the linkage disc 233A to rotate, drives the linkage rod 233B to move, drives the linkage fixed block 233E to slide along the slide rail 233C, and then drives the shell clamping claw 233F to move, thereby completing the clamping work on the outer shell of the air cylinder 1; after clamping, the shell limiting pin 232A3 is inserted into the shell limiting hole 232B, and positioning is completed.

[0083] When the shaft body fixed end 21 is installed, the worker rotates the shaft body handle 214, drives the shaft body fixed gear 212 to rotate, drives the shaft body fixed rack 216 to move, drives the shaft body fixed movable block 217 to move, drives the shaft body fixed rod 218 to move, and drives the shaft body clamping claw 219 to move, thereby completing the clamping of the output end of the air cylinder 1; after clamping, the shaft body limiting pin 215 is inserted into the shaft body limiting hole 211A, and positioning is completed.

[0084] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various equivalent transformations can be made to the technical solutions of the utility model within the technical concept of the utility model, and these equivalent transformations all belong to the protection scope of the utility model.

Claims

1. A cylinder with anti-rotation structure, comprising: a cylinder (1), and an anti-rotation structure (2) connected with the cylinder (1); characterized in that the anti-rotation structure (2) comprises: a shaft body fixed end (21) connected with an output end of the cylinder (1); a shell fixed end (23) connected with a shell of the cylinder (1); a guide rod (22) with one end connected with the shaft body fixed end (21) and the other end inserted on the shell fixed end (23) and matched with the shell fixed end (23).

2. The cylinder with anti-rotation structure according to claim 1, characterized in that: the shaft body fixed end (21) comprises: a shaft body fixed frame (211) connected with the guide rod (22), the shaft body fixed frame (211) being provided with a shaft body fixed groove (211B), a shaft body shaft groove (211C) and a plurality of shaft body limiting holes (211A); a shaft body fixing member arranged in the shaft body fixed frame (211) and abutting against the output end of the cylinder (1).

3. The cylinder with anti-rotation structure according to claim 2, characterized in that: the shaft body fixing member comprises: a shaft body clamping driving unit comprising a shaft body fixed gear (212) arranged in the shaft body fixed frame (211), a shaft body gear shaft (213) installed on the shaft body fixed gear (212) and extending out of the shaft body fixed frame (211), a shaft body handle (214) installed on the shaft body gear shaft (213), and a shaft body limiting pin (215) inserted on the shaft body handle (214) and matched with the shaft body limiting hole (211A); a shaft body clamping unit designed in two groups, located in the shaft body fixed frame (211) and centrally symmetrically distributed along the center of the fixed gear, each group comprising a shaft body fixed rack (216) meshing with the shaft body fixed gear (212), a shaft body fixed movable block (217) connected with the shaft body fixed rack (216), a shaft body fixed rod (218) connected with the shaft body fixed movable block (217), and a shaft body clamping claw (219) connected with the shaft body fixed rod (218).

4. The cylinder with anti-rotation structure according to claim 1, characterized in that: the shell fixed end (23) comprises: a shell fixed shell (231) provided with a rod groove (231A) matched with the guide rod (22); a shell bottom plate (232) installed at the bottom of the shell fixed shell (231), the shell bottom plate (232) being provided with a shell shaft groove (232A) and a plurality of shell limiting holes (232B) distributed along the circumference of the shell shaft groove (232A) at the back of the shell bottom plate (232); a shell fixing member (233) installed on the shell bottom plate (232) and located inside the shell fixed shell (231).

5. The cylinder with anti-rotation structure according to claim 4, characterized in that: the shell fixing member (233) comprises: a shell clamping driving unit comprising a linkage disc (233A) arranged on the shell bottom plate (232), a shell gear shaft (232A1) connected with the linkage disc (233A) and passing through the shell shaft groove (232A), a shell handle (232A2) connected with the shell gear shaft (232A1), and a shell limiting pin (232A3) inserted on the shell handle (232A2) and matched with the shell limiting hole (232B). The shell clamping unit is designed with four groups and is distributed circumferentially along the linkage disc (233A). Each group comprises a sliding rail (233C) mounted on the shell bottom plate (232), a sliding block (233D) arranged on the sliding rail (233C), a linkage fixing block (233E) connected with the sliding rail (233C), and a shell clamping claw (233F) mounted on the linkage fixing block (233E). A linkage rod (233B) is hingedly arranged at the edge of the linkage disc (233A) and the linkage fixing block (233E).

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