CN219366638U - Tandem pneumatic clutch - Google Patents

Abstract

The utility model relates to the technical field of clutch equipment, in particular to a serial pneumatic clutch, which comprises a driven shaft, wherein the driven shaft is connected with a piston disc, telescopic springs are symmetrically arranged on the inner sides of the piston disc, guide rods are arranged on one sides of two telescopic springs, fixed blocks are arranged on the inner sides of the piston disc, the fixed blocks are connected with a limiting disc, a limiting groove is formed in one side of the limiting disc, an installation disc is arranged between the two limiting grooves, an installation frame is arranged on one side of the installation disc, a positioning plate is arranged in the installation frame, the positioning plate is connected with a first friction plate, a first shell is arranged outside the first friction plate, and the problems that scraps generated by friction of the friction plate are easily attached to the inside of the pneumatic clutch and influence the operation of the clutch are solved by utilizing the structures of the first friction plate, the installation disc, the first shell, the second shell, the limiting grooves, the second friction plates and connecting blocks.

Description

Tandem pneumatic clutch

Technical Field

The utility model relates to the technical field of clutch equipment, in particular to a series pneumatic clutch.

Background

The pneumatic clutch generally pushes the driving disc by means of air pressure to drive the driving disc and the flange disc, so that axial power output is performed, and when the input of air pressure is stopped, the driving disc is reset by a separating spring.

In the published application No. CN202120911390.3, a pneumatic clutch and a tandem pneumatic clutch are mentioned, where the tandem pneumatic clutch includes a transmission shaft and a plurality of pneumatic clutches fixedly sleeved on the transmission shaft, where the pneumatic clutch includes a hollow through-shaft tube, and a cylinder block, a piston, a driving disc, a flange disc and an output wheel sequentially sleeved on the hollow through-shaft tube, where the cylinder block is rotatably sleeved on an input end of the hollow through-shaft tube and is provided with a pressure source inlet, and the output wheel is rotatably sleeved on an output end of the hollow through-shaft tube, and the piston is provided with a pressure source inlet, so as to push the driving disc to move towards the flange disc, thereby driving the output wheel to rotate through the flange disc, and making axial rotation of the hollow through-shaft tube into radial rotation of the output wheel, where the driving disc and the flange disc are elastically connected through a separation spring, so that when the pressure source disappears, the driving disc is automatically reset to stop outputting power to the outside, thus solving the problem that in many sub-industrial fields, such as parts or surface treatment technical fields, it is necessary to rely on the output characteristics of the clutch to output power in the axial direction of the pneumatic clutch, and still has the following drawbacks that it is difficult to optimize the output of the pneumatic clutch, and still has certain disadvantages that the pneumatic clutch is still needed to be optimized in the following specific situations: the stability of the internal structure of the pneumatic clutch is insufficient, the failure rate is high, and in addition, scraps generated by friction of the friction plate are easy to adhere to the inside of the pneumatic clutch, so that the operation of the clutch is influenced.

Therefore, it is important to design a tandem pneumatic clutch to improve the overall practicality by changing the technical defects.

Disclosure of Invention

The present utility model is directed to a tandem pneumatic clutch, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the serially connected pneumatic clutch comprises a driven shaft, wherein the driven shaft is connected with a piston disc, telescopic springs are symmetrically arranged on the inner sides of the piston disc, guide rods are arranged on one sides of the two telescopic springs, fixed blocks are arranged on the inner sides of the piston disc, the fixed blocks are connected with a limiting disc, a limiting groove is formed in one side of the limiting disc, a mounting disc is arranged between the two limiting grooves, a mounting frame is arranged on one side of the mounting disc, a positioning plate is arranged in the mounting frame, the positioning plate is connected with a first friction plate, a first shell is arranged outside the first friction plate,

one side of first shell is equipped with the second shell, the inside of second shell is equipped with the second friction disc, one side of second friction disc is equipped with the connection pad, one side of connection pad is equipped with the driving shaft, the outside of second shell is equipped with the heat dissipation circle, the outside both sides of first shell and second shell are equipped with the connecting block.

As a preferable scheme of the utility model, the top end of the outer part of the first shell is provided with an air inlet valve, and one side of the air inlet valve is provided with an air outlet valve.

As a preferable scheme of the utility model, the guide rod penetrates through the piston disc and is fixedly connected with the limiting groove and the first shell.

As a preferable scheme of the utility model, an L-shaped limiting groove is formed in the mounting frame, and the mounting frame is connected with the first friction plate in a clamping way.

As a preferable scheme of the utility model, a sealing strip is arranged at the joint of the first shell and the second shell, a bolt hole is arranged in the connecting block, and the first shell and the second shell are connected through bolts.

As a preferable scheme of the utility model, the heat dissipation ring is internally provided with a filter hole, and the heat dissipation ring is fixedly connected with the second housing.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the tandem pneumatic clutch, the first friction plate, the mounting plate, the first shell, the second shell, the driven shaft, the limiting plate, the limiting groove and the second friction plate are utilized, after the first friction plate is connected with the mounting plate in a clamping mode, the first shell and the second shell are mounted, the driven shaft is pushed by air pressure of the air inlet valve to extrude the piston plate, the telescopic spring is extruded at the moment, the piston plate slides outside the guide rod until the limiting plate abuts against the limiting groove, the first friction plate contacts the second friction plate to be attached to the limiting groove, and the driving shaft drives the driven shaft to rotate, so that the problems that the stability of the internal structure of the pneumatic clutch is insufficient and the failure rate is high are solved.

2. According to the tandem pneumatic clutch, due to the arrangement of the heat dissipation ring, the connecting block, the first shell and the second shell, after the driving shaft drives the driven shaft, heat generated by rotation can be dissipated through the heat dissipation ring, scrap iron can be cleaned by disassembling the first shell and the second shell, and the first friction plate is replaced, so that the problem that scrap generated by friction of the friction plate is easily attached to the inside of the pneumatic clutch to influence the operation of the clutch is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a view showing the construction of the inside of the first housing and the second housing according to the present utility model;

FIG. 3 is a schematic view of the first friction plate and the first housing inner connection structure of the present utility model;

fig. 4 is a schematic view of the overall planar structure of the present utility model.

In the figure: 1. a driven shaft; 101. a piston disc; 102. a telescopic spring; 103. a guide rod; 104. a fixed block; 105. a limiting disc; 106. a limit groove; 107. a mounting plate; 108. a mounting frame; 109. a positioning plate; 110. a first friction plate; 111. a first housing; 112. an intake valve; 113. an air outlet valve; 2. a second housing; 201. a second friction plate; 202. a connecting disc; 203. a driving shaft; 204. a heat dissipation ring; 205. and (5) connecting a block.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a tandem type pneumatic clutch, including driven shaft 1, driven shaft 1 connects piston disc 101, the inboard symmetry of piston disc 101 is equipped with extension spring 102, one side of two extension springs 102 is equipped with guide arm 103, the inboard of piston disc 101 is equipped with fixed block 104, fixed block 104 connects spacing dish 105, one side of spacing dish 105 is equipped with spacing groove 106, be equipped with mounting disc 107 between two spacing grooves 106, one side of mounting disc 107 is equipped with mounting bracket 108, the inside of mounting bracket 108 is equipped with locating plate 109, locating plate 109 connects first friction disc 110, the outside of first friction disc 110 is equipped with first shell 111, through with first friction disc 110 with the installation of block connection of mounting disc 107, install between first shell 111 and second shell 2, thereby push driven shaft 1 through the atmospheric pressure of admission valve 112 and extrude piston disc 101, at this moment extension spring 102 is extruded, piston disc 101 slides outside guide arm 103, spacing dish 105 supports spacing groove 106, at this moment first friction disc 110 contacts second friction disc 201 and is laminated with it, 203 drives driving shaft 1 rotation;

the top of the first housing 111 is provided with an air inlet valve 112, one side of the air inlet valve 112 is provided with an air outlet valve 113, so that air compression and release can be controlled through the air inlet valve 112 and the air outlet valve 113, a guide rod 103 penetrates through the piston disc 101 and is fixedly connected with the limit groove 106 and the first housing 111, the position of the piston disc 101 can be conveniently limited, an L-shaped limit groove is formed in the mounting frame 108, the mounting frame 108 is connected with the first friction plate 110 in a clamping manner, and the first friction plate 110 can be conveniently mounted and dismounted.

In this embodiment, referring to fig. 1, 2 and 4, a second housing 2 is disposed on one side of a first housing 111, a second friction plate 201 is disposed inside the second housing 2, a connecting disc 202 is disposed on one side of the second friction plate 201, a driving shaft 203 is disposed on one side of the connecting disc 202, a heat dissipation ring 204 is disposed on the outside of the second housing 2, connection blocks 205 are disposed on two sides of the outside of the first housing 111 and the second housing 2, and when the driving shaft 203 drives a driven shaft 1, heat generated by rotation can be dissipated through the heat dissipation ring 204, and meanwhile scrap iron can be cleaned by detaching the first housing 111 and the second housing 2 to replace the first friction plate 110;

the junction of first shell 111 and second shell 2 is equipped with the sealing strip, and the sealing of being convenient for is equipped with the bolt hole in the inside of connecting block 205, and passes through bolted connection between first shell 111 and the second shell 2, and the installation of being convenient for dismantles first shell 111 and second shell 2, and the inside of heat dissipation circle 204 is equipped with the filtration pore, and is fixed connection between heat dissipation circle 204 and the second shell 2, and the iron fillings of being convenient for fall out from the filtration pore.

The working flow of the utility model is as follows: when the tandem pneumatic clutch is used, firstly, under the condition that the connection relation between the mounting rack 108 and the first friction plate 110 is clamped connection, the first friction plate 110 and the mounting plate 107 are mounted, then under the condition that the connection relation between the first shell 111 and the second shell 2 is bolted connection, the first shell 111 and the second shell 2 are mounted, then under the condition that the connection relation between the first shell 111 and the air inlet valve 112 and the air outlet valve 113 is fixedly connected, the driven shaft 1 is pushed by air pressure of the air inlet valve 112 to squeeze the piston plate 101, under the condition that the connection relation between the guide rod 103 and the piston plate 101 is in sliding connection and the connection relation between the guide rod 103 and the limiting groove 106 and the first shell 111 is fixedly connected, the telescopic spring 102 is squeezed at the moment, the piston plate 101 slides outside the guide rod 103 until the limiting groove 106 of the limiting plate 105, at the moment, the first friction plate 110 contacts the second friction plate 201 to be attached, the driving shaft 203 drives the driven shaft 1 to rotate, and finally under the condition that the connection relation between the first shell 111 and the air outlet valve 113 is fixedly connected, the generated heat can be dissipated through the cooling ring 204, and the first shell 111 can be separated from the second shell 110 through the cooling ring, and the second shell 110 can be controlled to be separated, and the second friction plate 110 can be pushed by the cooling ring and the second shell 110.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pneumatic clutch of tandem type, includes driven shaft (1), its characterized in that: the driven shaft (1) is connected with the piston disc (101), the inner sides of the piston disc (101) are symmetrically provided with telescopic springs (102), one sides of the two telescopic springs (102) are provided with guide rods (103), the inner sides of the piston disc (101) are provided with fixed blocks (104), the fixed blocks (104) are connected with limiting discs (105), one sides of the limiting discs (105) are provided with limiting grooves (106), two mounting discs (107) are arranged between the limiting grooves (106), one side of each mounting disc (107) is provided with a mounting frame (108), the inside of each mounting frame (108) is provided with a positioning plate (109), each positioning plate (109) is connected with a first friction plate (110), the outside of each first friction plate (110) is provided with a first shell (111),

one side of first shell (111) is equipped with second shell (2), the inside of second shell (2) is equipped with second friction disc (201), one side of second friction disc (201) is equipped with connection pad (202), one side of connection pad (202) is equipped with driving shaft (203), the outside of second shell (2) is equipped with heat dissipation circle (204), the outside both sides of first shell (111) and second shell (2) are equipped with connecting block (205).

2. A tandem pneumatic clutch according to claim 1, wherein: an air inlet valve (112) is arranged at the top end of the outer portion of the first shell (111), and an air outlet valve (113) is arranged on one side of the air inlet valve (112).

3. A tandem pneumatic clutch according to claim 1, wherein: the guide rod (103) penetrates through the piston disc (101) and is fixedly connected with the limiting groove (106) and the first shell (111).

4. A tandem pneumatic clutch according to claim 1, wherein: the inside of mounting bracket (108) is equipped with L type spacing groove, just be the block between mounting bracket (108) and first friction disc (110) and connect.

5. A tandem pneumatic clutch according to claim 1, wherein: the sealing strip is arranged at the joint of the first shell (111) and the second shell (2), a bolt hole is formed in the connecting block (205), and the first shell (111) and the second shell (2) are connected through bolts.

6. A tandem pneumatic clutch according to claim 1, wherein: the heat dissipation ring (204) is internally provided with a filtering hole, and the heat dissipation ring (204) is fixedly connected with the second housing (2).