A pneumatic pressure device

Abstract

The utility model discloses a pneumatic pressure device, comprising a fixed cylinder, one side of the fixed cylinder is fixedly connected with a first air pipe, one end of the interior of the fixed cylinder is slidably mounted with a piston, one side of the piston is fixedly connected with a piston rod, the piston rod is slidably mounted in the interior of the fixed cylinder, the other side of the piston is fixedly connected with a support block, the support block is slidably arranged in the interior of the fixed cylinder, one end of the piston rod is slidably mounted with an adjusting cylinder, one end of the adjusting cylinder is threadedly mounted with a sealing cover, the sealing cover is slidably connected to one end surface of the piston rod, the adjusting cylinder is slidably mounted in the interior of the fixed cylinder, one side of the adjusting cylinder is fixedly connected with a second air pipe, the second air pipe is located at one end of the fixed cylinder, one end surface of the adjusting cylinder is fixedly connected with a sealing plate, which can be threadedly mounted and positioned, which is conducive to adjusting the installation length to adjust the stroke length, has high adaptability, avoids interference, and is convenient for installation and use.

Description

Technical Field

[0001] The utility model relates to the field of pressure devices, and more specifically, to a pneumatic pressure device. Background Art

[0002] When installing some mechanical parts, in order to ensure stability, it is necessary to use a pressure device to squeeze and position them for alignment installation.

[0003] The utility model with authorization announcement number CN207087290U discloses a pneumatic pressure device for pressing a workpiece into a bearing, comprising: a cylinder, an upper beam, a lower die seat, a guide column, a slide plate, a support column, a flange connection plate, an upper die and a lower die; the cylinder is a lifting cylinder, which is arranged at the top of the pneumatic pressure device, the upper beam is arranged in the middle of the pneumatic pressure device and is used to support the cylinder, and the lower die seat is arranged at the bottom of the pneumatic pressure device; there are two guide columns, one left and one right, which are arranged opposite to each other and slide through the upper beam; the guide column is also fixed through the slide plate, which is arranged below the upper beam and is used to support the flange connection plate and the upper die; the support column is arranged between the upper beam and the lower die seat and is used to support the upper beam; the slide plate is connected to the piston rod of the cylinder, and the flange connection plate is arranged at the connection between the slide plate and the piston rod of the cylinder; the upper die is fixed below the slide plate; when the cylinder moves up and down, it drives the slide plate and the upper die to move up and down; the lower die is arranged on the lower die seat and is used to support the bearing, and the centers of the upper and lower dies are on the same vertical line. The beneficial effect of the utility model is that the workpiece can be pressed into the bearing quickly, accurately and safely.

[0004] In the above-mentioned disclosed structure, the extension and contraction of the cylinder is used to push and extrude, but the fixed length structure adopted lacks an adjustment cylinder that can be adjusted by thread, and the cylinder length cannot be adjusted according to needs, and the pushing stroke length cannot be adjusted. The adaptability is poor and needs to be improved. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pneumatic pressure device, which can be ventilated for telescopic pushing by installing a piston and a piston rod inside a fixed cylinder, and an adjusting cylinder is installed inside, combined with a sealing cover and a sealing plate, to ensure the sealing stability of the combined connection. At the same time, a positioning nut is installed through an external thread, which can be threadedly installed and positioned, which is conducive to adjusting the installation length to adjust the stroke length. It has high adaptability, avoids interference, and is convenient to install and use.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] The cam is secured to the interior of the cylinder and is adapted to engage with the cam in order to allow the cam to move relative to the interior of the cylinder.

[0008] Furthermore, one end of the fixing tube is fixedly connected with a positioning plate, and the positioning plate is connected to one side of the positioning nut.

[0009] Furthermore, a fixing screw is threadedly installed on one side of the positioning plate, and the fixing screw is rotatably connected to one side of the positioning nut.

[0010] Furthermore, the fixing screws are evenly distributed at equal angles on one side of the positioning nut. The positioning nut is installed through the positioning plate, and combined with the positioning screws, it can be installed and positioned separately, which is conducive to combined use for positioning.

[0011] Furthermore, one end of the fixing tube is fixedly connected to a fixing rod, and the fixing rod is located at the end of the fixing tube.

[0012] Furthermore, one end of the fixing rod is fixedly connected to a fixing block, and the fixing block is located at one end of the fixing tube.

[0013] Furthermore, the fixing block and the fixing rod are located at the upper end of the fixing tube, and the fixing block is connected by the fixing rod, so they can be assembled and positioned, which is convenient for installing the fixing tube for positioning and use, and has high adaptability.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution installs the piston and the piston rod inside the fixed cylinder, which can be ventilated for telescopic pushing, and installs the adjusting cylinder inside, combined with the sealing cover and the sealing plate, to ensure the sealing stability of the combined connection. At the same time, the positioning nut is installed through the external thread, which can be threaded and positioned, which is conducive to adjusting the installation length to adjust the stroke length. It has high adaptability, avoids interference, and is easy to install and use.

[0016] (2) The positioning nut is installed through the positioning plate, and combined with the positioning screw, the positioning can be installed separately, which is convenient for combined use for positioning.

[0017] (3) The fixing blocks can be connected by fixing rods, and can be assembled and positioned, which is convenient for installing the fixing tube for positioning and use, and has high adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the plane structure cross section of the utility model;

[0020] Figure 3 It is a partial cross-sectional view of the connection of the adjustment cylinder of the utility model;

[0021] Figure 4 It is a partial structural diagram of the positioning plate connection of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1 fixing cylinder, 11 first air pipe, 12 piston, 13 piston rod, 14 supporting block, 15 adjusting cylinder, 16 sealing cover, 17 second air pipe, 18 sealing plate, 2 external thread, 21 positioning nut, 22 positioning plate, 23 fixing screw, 24 fixing rod, 25 fixing block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 and Figure 3A pneumatic pressure device comprises a fixed cylinder 1, one side of the fixed cylinder 1 is fixedly connected to a first air pipe 11, one end of the interior of the fixed cylinder 1 is slidably mounted with a piston 12, one side of the piston 12 is fixedly connected with a piston rod 13, gas can be passed into the interior of the fixed cylinder 1, thereby pushing the piston 12 to slide, and moving the piston rod 13 to perform telescoping, which is convenient for adjustment and control, the piston rod 13 is slidably mounted inside the fixed cylinder 1, the other side of the piston 12 is fixedly connected with a support block 14, the piston 12 is supported by the support block 14, and the first air pipe 11 is avoided from being blocked, which is convenient for combined connection and improves the stability of use, the support block 14 is slidably arranged inside the fixed cylinder 1, one end of the piston rod 13 is slidably mounted with an adjusting cylinder 15, one end of the adjusting cylinder 15 is threadedly mounted with a sealing cover 16, by connecting the sealing cover 16, it can be assembled to ensure the sealing of the sliding adjustment position and improve the stability of use, the sealing cover 16 is slidably connected to one end of the piston rod 13 The surface, the adjusting cylinder 15 is slidably installed in the interior of the fixed cylinder 1, and one side of the adjusting cylinder 15 is fixedly connected with a second air pipe 17, which can be ventilated through the second air pipe 17 to push the piston 12 to reset, thereby performing reciprocating telescopic control. The second air pipe 17 is located at one end of the fixed cylinder 1, and a sealing plate 18 is fixedly connected to the surface of one end of the adjusting cylinder 15. By installing the adjusting cylinder 15, the length of the adjusting cylinder 15 installed in the fixed cylinder 1 can be changed, thereby adjusting the overall length, and also the telescopic length of the piston rod 13 can be changed, which is convenient for installation and use, and is conducive to adjustment according to actual needs. It has high adaptability, and the sealing plate 18 is slidably arranged in the interior of the fixed cylinder 1. The outer surface of the adjusting cylinder 15 is provided with an external thread 2, and a positioning nut 21 is threadedly installed on one end surface of the external thread 2. The positioning nut 21 is fixedly arranged on one end of the fixed cylinder 1, and the external thread 2 is connected through the positioning nut 21, so that the adjusting cylinder 15 is combined and positioned to ensure the stability of the adjustment length, which is convenient for installation and use.

[0026] See also Figure 2 and Figure 3 One end of the fixing tube 1 is fixedly connected with a positioning plate 22, and the positioning plate 22 is connected to one side of the positioning nut 21. A fixing screw 23 is threadedly installed on one side of the positioning plate 22. The fixing screw 23 is rotatably connected to one side of the positioning nut 21. The fixing screws 23 are evenly distributed at equal angles on one side of the positioning nut 21. The positioning nut is installed by the positioning plate and combined with the positioning screws, and can be installed and positioned separately, which is convenient for combined use for positioning.

[0027] See also Figure 2 and Figure 4One end of the fixed tube 1 is fixedly connected with a fixed rod 24, and the fixed rod 24 is located at the end of the fixed tube 1. One end of the fixed rod 24 is fixedly connected with a fixed block 25, and the fixed block 25 is located at one end of the fixed tube 1. The fixed block 25 and the fixed rod 24 are located at the upper end of the fixed tube 1. The fixed block is connected by the fixed rod, and can be combined for installation and positioning, which is convenient for installing the fixed tube for positioning and use, and has high adaptability.

[0028] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A pneumatic pressure device, comprising a fixed cylinder (1), one side of the fixed cylinder (1) being fixedly connected to a first air pipe (11), and one end of the interior of the fixed cylinder (1) being slidably mounted with a piston (12), characterized in that: One side of the piston (12) is fixedly connected to a piston rod (13), and the piston rod (13) is slidably mounted inside the fixed cylinder (1). The other side of the piston (12) is fixedly connected to a support block (14), and the support block (14) is slidably mounted inside the fixed cylinder (1). One end of the piston rod (13) is slidably mounted to an adjusting cylinder (15), and one end of the adjusting cylinder (15) is threadedly mounted with a sealing cover (16), and the sealing cover (16) is slidably connected to one end surface of the piston rod (13). The adjusting cylinder (15) is slidably mounted to the adjusting cylinder (15). Installed inside the fixed cylinder (1), one side of the adjusting cylinder (15) is fixedly connected to a second air pipe (17), the second air pipe (17) is located at one end of the fixed cylinder (1), one end surface of the adjusting cylinder (15) is fixedly connected to a sealing plate (18), the sealing plate (18) is slidably arranged inside the fixed cylinder (1), the outer surface of the adjusting cylinder (15) is provided with an external thread (2), one end surface of the external thread (2) is threadedly installed with a positioning nut (21), and the positioning nut (21) is fixedly arranged at one end of the fixed cylinder (1).

2. A pneumatic pressure device according to claim 1, characterized in that: One end of the fixing tube (1) is fixedly connected to a positioning plate (22), and the positioning plate (22) is connected to one side of a positioning nut (21).

3. A pneumatic pressure device according to claim 2, characterized in that: A fixing screw (23) is threadedly mounted on one side of the positioning plate (22), and the fixing screw (23) is rotatably connected to one side of the positioning nut (21).

4. A pneumatic pressure device according to claim 3, characterized in that: The fixing screws (23) are evenly distributed at equal angles on one side of the positioning nut (21).

5. A pneumatic pressure device according to claim 1, characterized in that: One end of the fixed cylinder (1) is fixedly connected to a fixed rod (24), and the fixed rod (24) is located at the end of the fixed cylinder (1).

6. A pneumatic pressure device according to claim 5, characterized in that: One end of the fixing rod (24) is fixedly connected to a fixing block (25), and the fixing block (25) is located at one end of the fixing cylinder (1).

7. A pneumatic pressure device according to claim 6, characterized in that: The fixing block (25) and the fixing rod (24) are located at the upper end of the fixing cylinder (1).

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