CN110539518A - pneumatic brake clutch - Google Patents
pneumatic brake clutch Download PDFInfo
- Publication number
- CN110539518A CN110539518A CN201910922642.XA CN201910922642A CN110539518A CN 110539518 A CN110539518 A CN 110539518A CN 201910922642 A CN201910922642 A CN 201910922642A CN 110539518 A CN110539518 A CN 110539518A
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- piston
- pressure spring
- supporting
- connecting body
- closed space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/12—Clutches specially adapted for presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a pneumatic brake clutch, which comprises a transmission shaft, a large belt pulley, an unloading sleeve, a connecting body, a cylinder body, a clutch friction plate seat, a clutch friction plate, a brake friction plate seat, a brake friction plate, a piston and a pressure spring, wherein the large belt pulley is rotationally connected with the unloading sleeve; the pneumatic brake clutch provided by the invention has the advantages that the support body for supporting the pressure spring is arranged on the connecting body, and the contact position of the support body and the pressure spring can move in the axial direction of the pressure spring.
Description
Technical Field
The invention relates to the technical field of clutches, in particular to a pneumatic brake clutch.
background
The bottom drive double-acting drawing press is mainly used for drawing and processing parts such as enamel, aluminum vessels, stainless steel tableware and various daily-used hardware, household appliances, instrument instruments, automobile tractors, agricultural machines and the like, the bottom drive double-acting drawing press in the earlier period adopts a manual brake device, a brake part of the manual brake device is easy to slip during braking to cause unstable braking and even cause industrial accidents, therefore, a pneumatic brake clutch is developed, the existing commonly used brake clutch refers to the pneumatic brake clutch with the application number of 01244828.1, the pneumatic brake clutch has stable performance and safe use, however, along with the development of science and technology and the improvement of the living standard of people, the performance requirements of the people for using products are also improved, and as a performance investigation, the sensitivity of the clutch is an important factor, and how to improve the sensitivity of the clutch, has become a technical problem to be solved.
disclosure of Invention
the present invention is directed to a pneumatic brake clutch to solve the above-mentioned problems.
the technical scheme of the application is as follows: a pneumatic brake clutch comprises a transmission shaft, a large belt pulley, an unloading sleeve, a connecting body, a cylinder body, a clutch friction plate seat, a clutch friction plate, a brake friction plate seat, a brake friction plate, a piston and a pressure spring, wherein the large belt pulley is positioned on the unloading sleeve and is rotationally connected with the unloading sleeve, the connecting body and the cylinder body are sleeved on the transmission shaft, the connecting body is connected with the transmission shaft through a spline, the cylinder body is fixedly connected with the transmission shaft, the clutch friction plate seat provided with the clutch friction plate is fixedly connected with a set, the piston is arranged in the cylinder body, the pressure spring is arranged between the piston and the connecting body, and a channel communicated with an air chamber of the cylinder body is arranged on the transmission shaft; the connecting body is provided with a supporting body for supporting the pressure spring, and the position of the supporting body contacted with the pressure spring can move in the axial direction of the pressure spring: when the gas enters the cylinder, the position of the support body, which is in contact with the pressure spring, moves a certain distance in the direction away from the cylinder body, and when the gas flows out of the cylinder, the position of the support body, which is in contact with the pressure spring, returns to the original position.
Optionally, a guide post is further fixed on the connecting body, the pressure spring is sleeved on the guide post, one end of the guide post close to the connecting body is respectively hinged with a first supporting body and a second supporting body, and the first supporting body and the second supporting body jointly form the supporting body; the first supporting body and the second supporting body are provided with limiting structures for limiting the pressure spring to be separated from the supporting bodies; a first closed space is arranged in the connecting body, a first piston is arranged in the first closed space, a first piston rod is connected onto the first piston, a first supporting plate is connected onto the first piston rod, and the first supporting plate abuts against one ends, close to the connecting body, of the first supporting body and the second supporting body; a first bypass channel is arranged on the channel, and one end of the first bypass channel, which is not connected with the channel, is connected with the first closed space; the first supporting body and the second supporting body are symmetrically arranged by taking a guide column as a center, are inclined when gas is not introduced into the cylinder, and form a V shape with an opening facing a pressure spring, and are connected with a reset structure.
Optionally, the reset structure is a torsion spring.
Optionally, the resetting structure includes a second enclosed space and a third enclosed space; a second piston is arranged in the second closed space, a second piston rod is connected to the second piston, one end, which is not connected with the second piston, of the second piston rod is a spherical surface and abuts against one end, which is far away from the connecting body, of the second supporting body, and compressed gas is filled in the second closed space; and a third piston is arranged in the third closed space, a third piston rod is connected onto the third piston, one end, which is not connected with the third piston, of the third piston rod is a spherical surface and abuts against one end, which is far away from the connecting body, of the first supporting body, and compressed gas is filled in the third closed space.
Optionally, the limiting structure is a limiting ring, and one end of the pressure spring, which is close to the connecting body, penetrates through the limiting ring to be connected with the first supporting body and the second supporting body.
optionally, the support body is a support plate with a circular opening in the middle, a bearing is embedded in the support plate, a shaft is mounted on the bearing, a first guide structure is arranged on the shaft, a groove is arranged on the connecting body, a second guide structure matched with the first guide structure is arranged in the groove, a fourth piston is mounted at one end of the shaft, which is not connected with the bearing, the fourth piston is located in the groove and is located at one side of the second guide structure, which is far away from the support plate, and compressed gas is filled in one side of the piston, which is far away from the support plate; and a compression spring is arranged between the bearing plate and the connector, and a limiting structure for limiting the pressure spring to be separated from the bearing plate is arranged on the surface of the bearing plate, which is not provided with the compression spring.
Optionally, the first guide structure is a guide strip, and the second guide structure is a guide groove.
Optionally, the first guide structure and the second guide structure are mutually matched threads.
According to the pneumatic brake clutch provided by the invention, when gas enters the cylinder, namely the device is in a clutch state, the position where the support body is contacted with the pressure spring moves for a certain distance in the direction away from the cylinder body, so that the clutch friction plate can be pressed on the connecting body more quickly; when the gas flows out of the cylinder, namely the device is in a brake state, the position of the supporting body contacted with the pressure spring is restored to the original position so as to ensure the stability of the brake.
Drawings
FIG. 1 is a schematic structural view of a pneumatic brake clutch of the present invention;
FIG. 2 is a schematic view of the clutching and braking configuration of the present invention;
FIG. 3 is a schematic view of a structure for realizing the movement of the support body in example 2;
FIG. 4 is a schematic view of a structure for realizing the movement of the support body in example 3;
FIG. 5 is a schematic view of a structure for realizing the movement of the support body in example 4;
in the figure: the brake device comprises a transmission shaft 1, a large belt pulley 2, an unloading sleeve 3, a connecting body 4, a cylinder body 5, a clutch friction plate seat 6, a clutch friction plate 7, a brake friction plate seat 8, a brake friction plate 9, a piston 10, a pressure spring 11, bearings (12 and 13), a channel 14, a supporting body 16, a first supporting body 16-1, a second supporting body 16-2, a guide post 17, a limiting ring 18, a first closed space 19, a first piston 20, a first piston rod 21, a first supporting plate 22, a first bypass channel 23, a second closed space 24, a third closed space 25, a second piston 26, a second piston rod 27, a third piston 28, a third piston rod 29, a bearing 30, a shaft 31, a groove 32, a compression spring 33, a first guide structure 34, a second guide structure 35 and a fourth piston 36.
Detailed Description
The invention is further illustrated by the following figures and examples.
Embodiment 1, the present invention provides a pneumatic brake clutch, see fig. 1 to 5, including a transmission shaft 1, a large belt pulley 2, an unloading sleeve 3, a connecting body 4, a cylinder body 5, a clutch friction plate seat 6, a clutch friction plate 7, a brake friction plate seat 8, a brake friction plate 9, a piston 10 and a pressure spring 11, wherein a gear is installed in the middle of the transmission shaft, the transmission shaft is installed on a machine body through bearings 12 and 13 at both ends, the unloading sleeve 3 is installed on the transmission shaft, the unloading sleeve is fixed with the bearing, the large belt pulley is installed on the unloading sleeve through the bearing, the connecting body is connected with the transmission shaft through a spline, the cylinder body 5 and the connecting body 4 are fixed through a screw, and the clutch friction plate seat 6 is fixed on the; the clutch friction plate 7 is fixed on the clutch friction plate seat 6, the brake friction plate seat 8 is fixed with the machine body, the brake friction plate 9 is fixed on the brake friction plate seat, the clutch friction plate 7 and the brake friction plate 9 are correspondingly installed, the piston 10 is arranged in the cylinder body 5 and can move inwards or outwards to respectively press the brake friction plate 9 and the clutch friction plate 7, a pressure spring 11 is arranged between the piston 10 and the connecting body 4, a channel 14 which is the same as an air chamber of the cylinder body is arranged in the center of the clutch shaft end of the transmission shaft, and sealing rings 15 are arranged between the piston 10 and the cylinder body 5 and between the piston 10 and the connecting body 4 for the purpose of ensuring the sealing performance of the air chamber. A support body 16 for supporting the pressure spring is provided on the connection body, and a position where the support body is in contact with the pressure spring is movable in an axial direction of the pressure spring: when the gas enters the cylinder, the position of the support body, which is in contact with the pressure spring, moves a certain distance in the direction away from the cylinder body, and when the gas flows out of the cylinder, the position of the support body, which is in contact with the pressure spring, returns to the original position.
according to the pneumatic brake clutch provided by the invention, when gas enters the cylinder, namely the device is in a clutch state, the position where the support body is contacted with the pressure spring moves for a certain distance in the direction away from the cylinder body, so that the clutch friction plate can be pressed on the connecting body more quickly; when the gas flows out of the cylinder, namely the device is in a brake state, the position of the supporting body contacted with the pressure spring is restored to the original position so as to ensure the stability of the brake.
Embodiment 2, as a preferable structure for realizing the above-mentioned function of the support body on the basis of embodiment 1, referring to fig. 1 to fig. 3, a guide post 17 is further fixed on the connecting body, the pressure spring is sleeved on the guide post, one end of the guide post close to the connecting body is respectively hinged with a first support body 16-1 and a second support body 16-2, and the first support body and the second support body jointly form the support body 16; limiting rings 18 for limiting the pressure spring to be separated from the supporting bodies are arranged on the first supporting body and the second supporting body, and one end, close to the connecting body, of the pressure spring penetrates through the limiting rings to be connected with the first supporting body and the second supporting body; a first closed space 19 is arranged in the connecting body, a first piston 20 is arranged in the first closed space, a first piston rod 21 is connected to the first piston, a first supporting plate 22 is connected to the first piston rod, and the first supporting plate abuts against one ends, close to the connecting body, of the first supporting body and the second supporting body; a first bypass channel 23 is arranged on the channel, and one end of the first bypass channel, which is not connected with the channel, is connected with the first closed space; the first support body and the second support body are symmetrically arranged by taking a guide column as a center, are inclined under the condition that gas is not introduced into a cylinder and form a V shape with an opening facing a pressure spring, and are both connected with torsion springs.
When gas enters the cylinder, when the piston in the gas compression cylinder pushes rightwards, a part of gas enters the first closed space through the first bypass channel 23 to push the first piston to move leftwards and drive the first piston rod to move leftwards so as to enable the first support body and the second support body to expand outwards, so that the positions of the first support body and the second support body, which are in contact with the pressure spring, move rightwards for a certain distance, and the pressure spring moves rightwards for a certain distance, so that when the general first support body and the second support body expand to form a straight line, the general first support body and the general second support body can be prevented from continuously deforming through the connecting body, and a blocking structure can be specially arranged, wherein specific limitation is not required; when the air flows out of the cylinder, the first supporting body and the second supporting body are restored to the original state under the action of the torsion spring, and meanwhile, the brake friction plate is pressed on the cylinder body under the action of the pressure spring. The structure is simple, and the purpose of the invention can be achieved.
Embodiment 3, embodiment 3 differs from embodiment 2 in that a torsion spring is not used as a return structure, which includes a second closed space 24 and a third closed space 25, see fig. 4; a second piston 26 is arranged in the second closed space, a second piston rod 27 is connected to the second piston, one end, which is not connected with the second piston, of the second piston rod is a spherical surface and abuts against one end, which is far away from the connecting body, of the second supporting body, and compressed gas is filled in the second closed space; and a third piston 28 is arranged in the third closed space, a third piston rod 29 is connected to the third piston, one end of the third piston rod, which is not connected with the third piston, is a spherical surface and abuts against one end of the first supporting body, which is far away from the connecting body, and compressed gas is filled in the third closed space.
When gas enters the cylinder, when the piston in the gas compression cylinder pushes rightwards, a part of gas enters the first closed space through the first bypass channel 23 to push the first piston to move leftwards and drive the first piston rod to move leftwards so that the first support body and the second support body are opened outwards, the positions of the first support body and the second support body, which are in contact with the pressure spring, move rightwards, and the second piston and the third piston are compressed while moving until the gas pressure in the second closed space and the third closed space is balanced with the gas pressure entering the cylinder; when the gas flows out of the cylinder, the first supporting body and the second supporting body are restored to the original state under the reaction force of the compressed gas of the second piston and the third piston in the closed space of the second piston and the third piston, and meanwhile, the brake friction plate is pressed on the cylinder body under the action of the pressure spring. This structure, the gas in the airtight empty part of second and the airtight space of third is relative with the gas of gold like the cylinder, can play the cushioning effect firstly, can restrict first support body and the outside expansion of second support body automatically when secondly reaching the balance.
Embodiment 4, on the basis of embodiment 1, as a preferred structure for realizing the above function of the support body, with reference to fig. 1 to 4, the support body 16 is a support plate with a circular opening in the middle, a bearing 30 is embedded on the support plate, a shaft 31 is mounted on the bearing, a first guide structure 34 is disposed on the shaft, a groove 32 is disposed on the connecting body, a second guide structure 35 matched with the first guide structure is disposed in the groove, a fourth piston 36 is mounted at one end of the shaft, which is not connected with the bearing, the fourth piston is located in the groove and is located at one side of the second guide structure far away from the support plate, and the groove is filled with compressed gas at one side of the piston far away from the support plate; a compression spring 33 is arranged between the support plate and the connecting body, a limit ring 18 used for limiting the pressure spring to be separated from the supporting body is arranged on one surface of the support plate without the compression spring, 2 or 3 limit rings are generally arranged in the circumferential direction, and one end of the pressure spring close to the connecting body penetrates through the limit ring to be connected with the supporting body. In another embodiment, the first guide structure and the second guide structure are threads matched with each other, wherein the guide bar structure can be a guide structure of a screw rod, the inclined angle of the guide bar structure is about 60 degrees, the guide bar structure can enable the shaft to rotate under high pressure and can support certain pressure, and therefore compressed gas in the groove can be matched, and the shaft is not easy to malfunction after reset.
When gas enters the cylinder, the piston in the gas compression cylinder pushes rightwards, the pressure spring contracts and pressurizes the support plate, the shaft rotates relative to the support plate and moves rightwards under the action of the first guide structure and the second guide structure to compress the gas, and the support plate moves rightwards along with the shaft until the gas pressure in the groove and the gas pressure entering the cylinder are balanced; when the gas flows out of the cylinder, the support plate is restored to the original state under the action of the gas pressure in the groove. The structure is simple, and the using effect is good.
The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not to be construed as limiting the present invention, and the terms first, second, etc. are used for distinguishing between similar terms and not for limiting the technical terms, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A pneumatic brake clutch comprises a transmission shaft (1), a large belt pulley (2), an unloading sleeve (3), a connecting body (4), a cylinder body (5), a clutch friction plate seat (6), a clutch friction plate (7), a brake friction plate seat (8), a brake friction plate (9), a piston (10) and a pressure spring (11), wherein the large belt pulley is positioned on the unloading sleeve (3) and is rotationally connected with the unloading sleeve, the connecting body and the cylinder body are sleeved on the transmission shaft, the connecting body (4) is connected with the transmission shaft through a spline, the cylinder body is fixedly connected with the transmission shaft, the clutch friction plate seat provided with the clutch friction plate is fixedly connected with a set, the piston (10) is arranged in the cylinder body, the pressure spring (11) is arranged between the piston and the connecting body, and a channel (14) communicated with an air chamber of the cylinder body is arranged on the transmission shaft,
It is characterized in that the preparation method is characterized in that,
A supporting body (16) for supporting the pressure spring is arranged on the connecting body, and the position of the supporting body contacted with the pressure spring can move in the axial direction of the pressure spring:
When the gas enters the cylinder, the position of the support body, which is in contact with the pressure spring, moves a certain distance in the direction away from the cylinder body, and when the gas flows out of the cylinder, the position of the support body, which is in contact with the pressure spring, returns to the original position.
2. A pneumatic brake clutch according to claim 1, characterized in that the connecting body is further fixed with a guide post (17) on which the pressure spring is fitted, one end of the guide post close to the connecting body is hinged with a first support body (16-1) and a second support body (16-2), respectively, which together form the support body (16);
The first supporting body and the second supporting body are provided with limiting structures for limiting the pressure spring to be separated from the supporting bodies;
A first closed space (19) is arranged in the connecting body, a first piston (20) is arranged in the first closed space, a first piston rod (21) is connected onto the first piston rod, a first supporting plate (22) is connected onto the first piston rod, and the first supporting plate abuts against one ends, close to the connecting body, of the first supporting body and the second supporting body;
a first bypass channel (23) is arranged on the channel, and one end, which is not connected with the channel, of the first bypass channel is connected with the first closed space;
The first supporting body and the second supporting body are symmetrically arranged by taking a guide column as a center, are inclined when gas is not introduced into the cylinder, and form a V shape with an opening facing a pressure spring, and are connected with a reset structure.
3. A pneumatic brake clutch according to claim 2 wherein the return structure is a torsion spring.
4. A pneumatic brake clutch according to claim 2, characterised in that the return structure comprises a second closed space (24) and a third closed space (25);
A second piston (26) is arranged in the second closed space, a second piston rod (27) is connected to the second piston, one end, which is not connected with the second piston, of the second piston rod is a spherical surface and abuts against one end, which is far away from the connecting body, of the second supporting body, and compressed gas is filled in the second closed space;
and a third piston (28) is arranged in the third closed space, a third piston rod (29) is connected to the third piston, one end, which is not connected with the third piston, of the third piston rod is a spherical surface and abuts against one end, which is far away from the connecting body, of the first supporting body, and compressed gas is filled in the third closed space.
5. a pneumatic brake clutch according to claim 3 or 4, characterised in that the limiting structure is a limiting ring (18), through which the end of the compression spring adjacent the connecting body passes to connect the first and second support bodies.
6. A pneumatic brake clutch according to claim 1, wherein the support body (16) is a support plate with a circular opening in the middle, a bearing (30) is embedded in the support plate, a shaft (31) is mounted on the bearing, a first guide structure (34) is arranged on the shaft, a groove (32) is arranged on the connecting body, a second guide structure (35) matched with the first guide structure is arranged in the groove, a fourth piston (36) is mounted at one end of the shaft, which is not connected with the bearing, and is positioned in the groove and on the side of the second guide structure away from the support plate, and the groove is filled with compressed gas on the side of the piston away from the support plate;
a compression spring (33) is arranged between the bearing plate and the connecting body, and a limiting structure used for limiting the pressure spring to be separated from the bearing plate is arranged on one side of the bearing plate, which is not provided with the compression spring.
7. A pneumatic brake clutch according to claim 6 wherein the first guide formation is a guide strip and the second guide formation is a guide slot.
8. a pneumatic brake clutch according to claim 6 wherein the first and second guide formations are co-operating threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922642.XA CN110539518B (en) | 2019-09-27 | 2019-09-27 | Pneumatic brake clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910922642.XA CN110539518B (en) | 2019-09-27 | 2019-09-27 | Pneumatic brake clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110539518A true CN110539518A (en) | 2019-12-06 |
| CN110539518B CN110539518B (en) | 2021-04-27 |
Family
ID=68714675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910922642.XA Active CN110539518B (en) | 2019-09-27 | 2019-09-27 | Pneumatic brake clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110539518B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230009A (en) * | 2020-01-17 | 2020-06-05 | 荣成华东锻压机床股份有限公司 | Clutch lubricating system of mechanical press |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH400774A (en) * | 1961-02-15 | 1965-10-15 | Metallwaren & Maschf P Schwarz | Eccentric or crank press with rotary wedge coupling |
| CN2493397Y (en) * | 2001-07-16 | 2002-05-29 | 朱永清 | Pneuamtic brake clutch |
| CN104047983A (en) * | 2009-06-18 | 2014-09-17 | 百乐仕株式会社 | Spring assembly |
| CN105299088A (en) * | 2015-12-09 | 2016-02-03 | 重庆耐迪机电有限公司 | Combined spring cavity overrunning clutch |
-
2019
- 2019-09-27 CN CN201910922642.XA patent/CN110539518B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH400774A (en) * | 1961-02-15 | 1965-10-15 | Metallwaren & Maschf P Schwarz | Eccentric or crank press with rotary wedge coupling |
| CN2493397Y (en) * | 2001-07-16 | 2002-05-29 | 朱永清 | Pneuamtic brake clutch |
| CN104047983A (en) * | 2009-06-18 | 2014-09-17 | 百乐仕株式会社 | Spring assembly |
| CN104047984A (en) * | 2009-06-18 | 2014-09-17 | 百乐仕株式会社 | Spring assembly |
| CN105299088A (en) * | 2015-12-09 | 2016-02-03 | 重庆耐迪机电有限公司 | Combined spring cavity overrunning clutch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230009A (en) * | 2020-01-17 | 2020-06-05 | 荣成华东锻压机床股份有限公司 | Clutch lubricating system of mechanical press |
| CN111230009B (en) * | 2020-01-17 | 2021-02-02 | 荣成华东锻压机床股份有限公司 | Clutch lubricating system of mechanical press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110539518B (en) | 2021-04-27 |
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