Deep hole type auxiliary speed regulation air compression corner cylinder

Abstract

The utility model discloses a deep hole type auxiliary speed regulation air compression corner cylinder which comprises a fixing screw, a dustproof cover, a first O-shaped ring, a second O-shaped ring, a front cover, a piston rod, a front copper sleeve, a third O-shaped ring, a conical piston, a clamping sleeve, a steel ball, a piston oil seal, a fourth O-shaped ring, a spring, a shell, a rear cover, a rear copper sleeve, an elastic check ring for a hole and a plug. A rear cover is connected in the shell, the lower surface of the rear cover is provided with a circlip for a hole, the circlip for the hole is sleeved in the shell, the rear cover is fixedly connected with a spring, and the inner wall of one side of the rear cover is provided with a rear copper sleeve; the clamping sleeve, the steel ball and the conical piston are designed, the effect of controlling the clamping sleeve to clamp the piston rod is achieved through the steel ball and the conical piston, the effect of speed regulation is achieved by clamping the piston rod, damage to a workpiece caused by too high speed can be avoided, the speed can be adjusted through the clamping sleeve, and due to the simple structure, the cost is low. And the requirement on the operation skill of an operator is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of support cylinders, and particularly relates to a deep-hole type air-pressure adjustable-speed rotary cylinder. Background Technique

[0002] Rotary cylinders can be divided into air-pressure support cylinders and hydraulic support cylinders. Among them, air-pressure support cylinders are indispensable clamping components on numerical control machine tools, and are also used in fixtures such as welding and assembly. They are used in combination on machine tools for rapid clamping and rapid opening of workpieces, and the production rhythm is relatively fast.

[0003] However, air-pressure support cylinders also have the following problems: First, the speed is too fast and cannot be adjusted, and at the same time, due to the too fast speed, the components are damaged; second, the professional requirements for operators are high, and operators need to have rich experience. Content of the Utility Model

[0004] The purpose of the utility model is to provide a deep-hole type air-pressure adjustable-speed rotary cylinder to solve the problems put forward in the above background technique.

[0005] In order to solve the above technical problems, the utility model provides the following technical solution: A deep-hole type air-pressure adjustable-speed rotary cylinder includes a housing. A rear cover is connected inside the housing. A hole-type elastic retaining ring is arranged on the lower surface of the rear cover, and the hole-type elastic retaining ring is sleeved inside the housing. A spring is fixedly connected to the rear cover. A rear copper sleeve is arranged on one inner wall of the rear cover, and a piston rod is sleeved on the rear copper sleeve. A front cover, a front copper sleeve and a clamping sleeve are sleeved on the piston rod, and the front cover is fixedly connected to the housing.

[0006] As a further technical solution of the utility model, a conical piston is sleeved on the rear copper sleeve, and a piston oil seal is arranged inside the housing, and the piston oil seal is sleeved on the conical piston.

[0007] As a further technical solution of the utility model, steel balls are arranged on the outer wall of one side of the clamping sleeve, and the steel balls are arranged between the conical piston and the clamping sleeve.

[0008] As a further technical solution of the utility model, a fourth O-ring is sleeved inside the rear cover.

[0009] As a further technical solution of the utility model, an inner third O-ring is arranged inside the housing, and the third O-ring is sleeved on the front cover.

[0010] As a further technical solution of the utility model, a second O-ring is sleeved on the front cover. A first O-ring is arranged on the second O-ring. A dust cover is arranged on the first O-ring. The dust cover is sleeved on the piston rod. A fixing screw is sleeved on the dust cover, and the other end of the fixing screw is threadedly connected to the piston rod.

[0011] As a further technical solution of the present utility model, a plug is provided on an outer wall of one side of the housing.

[0012] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows: The present utility model is designed with a jacket, steel balls and a conical piston. By means of the steel balls and the conical piston, the effect of controlling the jacket to clamp the piston rod is achieved, and by clamping the piston rod, the effect of speed regulation is achieved, which can avoid damage to workpieces caused by too high speed, and the speed can also be adjusted by the jacket. Because of the simple structure, the requirements for the operating skills of operators are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a schematic diagram of the overall front view sectional structure of the present utility model;

[0015] Figure 2 It is a schematic diagram of the overall top view structure of the present utility model.

[0016] In the figure: 1, fixing screw; 2, dust cover; 3, first O-ring; 4, second O-ring; 5, front cover; 6, piston rod; 7, front copper sleeve; 8, third O-ring; 9, conical piston; 10, jacket; 11, steel ball; 12, piston oil seal; 13, fourth O-ring; 14, spring; 15, housing; 16, rear cover; 17, rear copper sleeve; 18, hole-type snap ring; 19, plug. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model.

[0018] Please refer to the attached Figure 1 - attached Figure 2, an embodiment provided by the present utility model: a deep-hole type speed-regulating air-pressure rotary cylinder, including a housing 15, a rear cover 16 is arranged inside the housing 15, a hole-type elastic retaining ring 18 is arranged on the lower surface of the rear cover 16, and the hole-type elastic retaining ring 18 is sleeved inside the housing 15. A spring 14 is fixedly connected to the rear cover 16. A rear copper sleeve 17 is arranged on one inner wall of the rear cover 16, and a piston rod 6 is sleeved on the rear copper sleeve 17. A front cover 5, a front copper sleeve 7 and a clamping sleeve 10 are sleeved on the piston rod 6, and the front cover 5 is fixedly connected to the housing 15; a conical piston 9 is sleeved on the rear copper sleeve 17. A piston oil seal 12 is arranged inside the housing 15, and the piston oil seal 12 is sleeved on the conical piston 9. The piston oil seal 12 is used for sealing between the conical piston 9 and the housing 15; steel balls 11 are arranged on one outer wall of the clamping sleeve 10, and the steel balls 11 are arranged between the conical piston 9 and the clamping sleeve 10. The clamping sleeve 10 is used for clamping the piston rod 6; a fourth O-ring 13 is sleeved inside the rear cover 16, and the fourth O-ring 13 is used for sealing between the rear cover 16 and the conical piston 9; a third O-ring 8 is arranged inside the housing 15, and the third O-ring 8 is sleeved on the front cover 5. The third O-ring 8 is used for sealing between the front cover 5 and the housing 15; a second O-ring 4 is sleeved on the front cover 5, a first O-ring 3 is arranged on the second O-ring 4, a dust cover 2 is arranged on the first O-ring 3, the dust cover 2 is sleeved on the piston rod 6, a fixing screw 1 is sleeved on the dust cover 2, and the other end of the fixing screw 1 is threadedly connected to the piston rod 6, and is used for buffering between the first O-ring 3 and the second O-ring 4 for the dust cover 2 and the front cover 5; a plug 19 is arranged on one outer wall of the housing 15, and the plug 19 plays a role in sealing and preventing liquid or gas leakage.

[0019] Working principle: When using the present utility model, by pressing the housing 15, when the housing 15 is pressed, the housing 15 will drive the rear cover 16. When the rear cover 16 is driven, the rear cover 16 will drive the rear copper sleeve 17, the rear copper sleeve 17 will drive the clamping sleeve 10, and the clamping sleeve 10 will tightly press the front copper sleeve 7. The front copper sleeve 7 and the rear copper sleeve 17 cooperate to fix the clamping sleeve 10. After the clamping sleeve 10 is fixed, it will clamp the piston rod 6 through the restriction of the steel balls 11 and the conical piston 9 to achieve the purpose of speed regulation. When pressing the housing 15 stops, the spring 14 is used to reset the rear cover 16 and the housing 15. When the rear cover 16 and the housing 15 are reset, the piston rod 6 disengages from the clamping sleeve 10, and the clamping sleeve 10 stops speed regulation; wherein the fourth O-ring 13 is used for sealing between the rear cover 16 and the conical piston 9, the piston oil seal 12 is used for sealing between the conical piston 9 and the housing 15, the third O-ring 8 is used for sealing between the front cover 5 and the housing 15, the first O-ring 3 and the second O-ring 4 are used for buffering between the dust cover 2 and the front cover 5, the hole-type elastic retaining ring 18 is used for fixing the position of the rear cover 16, the fixing screw 1 is used for fixing the position between the dust cover 2 and the piston rod 6, the dust cover 2 is used for dust prevention, and the plug 19 plays a role in sealing and preventing liquid or gas leakage.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A deep hole type air pressure angle cylinder with speed regulation, comprising a housing (15), characterized in that: The housing (15) is provided with a rear cover (16) connected thereto, a hole elastic retaining ring (18) is provided on the lower surface of the rear cover (16), and the hole elastic retaining ring (18) is sleeved in the housing (15), a spring (14) is fixedly connected to the rear cover (16), a rear copper sleeve (17) is provided on the inner wall of one side of the rear cover (16), and a piston rod (6) is sleeved on the rear copper sleeve (17), and a front cover (5), a front copper sleeve (7) and a jacket (10) are sleeved on the piston rod (6), and the front cover (5) is fixedly connected to the housing (15), and a conical piston (9) is sleeved on the rear copper sleeve (17), and the housing (15) is provided with a spring (14) fixedly connected to the rear cover (16), and a spring (14) is ... 5) is provided with a piston oil seal (12), and the piston oil seal (12) is sleeved on the conical piston (9); a steel ball (11) is provided on one side outer wall of the jacket (10), and the steel ball (11) is provided between the conical piston (9) and the jacket (10); a second O-ring (4) is sleeved on the front cover (5), a first O-ring (3) is provided on the second O-ring (4), a dust cover (2) is provided on the first O-ring (3), the dust cover (2) is sleeved on the piston rod (6), a fixing screw (1) is sleeved on the dust cover (2), and the other end of the fixing screw (1) is threadedly connected to the piston rod (6).

2. A deep hole type air pressure angle cylinder with speed regulation according to claim 1, characterized in that: A fourth O-ring (13) is sleeved inside the rear cover (16).

3. A deep hole type air pressure angle cylinder with speed regulation according to claim 1, characterized in that: An inner third O-ring (8) is arranged inside the outer shell (15), and the third O-ring (8) is sleeved on the front cover (5).

4. A deep hole type air pressure angle cylinder with speed regulation according to claim 1, characterized in that: A plug (19) is provided on one side outer wall of the housing (15).

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