CN110076276B - High-precision cold extrusion processing equipment for automobile clutch - Google Patents
High-precision cold extrusion processing equipment for automobile clutch Download PDFInfo
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- CN110076276B CN110076276B CN201910351418.XA CN201910351418A CN110076276B CN 110076276 B CN110076276 B CN 110076276B CN 201910351418 A CN201910351418 A CN 201910351418A CN 110076276 B CN110076276 B CN 110076276B
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- valve
- port
- oil
- servo
- oil cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a high-precision cold extrusion processing device for an automobile clutch, which comprises a controller internally provided with a control system, a base for fixing the controller and an ejector seat arranged above the base, wherein a servo hydraulic system supplies oil to a hydraulic oil cylinder so as to drive a movable die to move towards a fixed die, one side of the fixed die is provided with an accommodating disc for accommodating rivets, an ejection mechanism for ejecting the rivets is arranged in the accommodating disc, the base is provided with a nailing mechanism positioned at one side of the accommodating disc, and the nailing mechanism can suck the rivets on the accommodating disc and move to the upper part of the fixed die. The product quality is improved.
Description
Technical Field
The invention relates to the technical field of automobile clutch processing equipment, in particular to high-precision automobile clutch cold extrusion processing equipment.
Background
The automobile clutch is controlled by an air conditioner switch, a temperature controller, an air conditioner amplifier, a pressure switch and the like, and the power transmission between the engine and the compressor is switched on or off when needed. In addition, when the compressor is overloaded, the compressor can play a certain protection role. The electromagnetic coil is fixed on the shell of the compressor, the automobile clutch sucker is connected with a main shaft of the compressor, and the belt pulley is mounted on a head cover of the compressor through a bearing and can rotate freely. When the air conditioner switch is switched on, the current flows through the electromagnetic coil of the electromagnetic clutch, the electromagnetic coil generates electromagnetic suction force, an automobile clutch sucker of the compressor is combined with the belt pulley, the torque of the engine is transmitted to the compressor main shaft, and the compressor main shaft rotates. When the air conditioner switch is switched off, the suction force of the electromagnetic coil disappears, the automobile clutch sucker is separated from the belt pulley under the action of the spring piece, and the compressor stops working.
The automobile clutch sucker assembly mainly comprises a sucker, a hub and a fixed plate, wherein the fixed plate provided with the hub and the sucker are arranged on the periphery of the fixed plate and are fixed together through rivets, and the riveting processing needs cold extrusion processing equipment for press mounting; and before carrying out the pressure equipment to the rivet, need the manual work to penetrate it in the riveting hole of fixed plate and sucking disc, its is a great amount, and subsequent pressure equipment effect will directly be influenced in the skew of installation angle moreover, and it is very inconvenient to use.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides high-precision cold extrusion processing equipment for an automobile clutch, which achieves high-precision control on the stroke and pressure of a movable die by utilizing servo control on a hydraulic oil cylinder and realizes automatic installation and press mounting of rivets.
In order to achieve the purpose, the invention provides high-precision cold extrusion processing equipment for an automobile clutch, which comprises a controller with a built-in control system, a base for fixing the controller and a top seat arranged above the base, wherein a fixed die for fixing an automobile clutch sucker is arranged on the base, a hydraulic oil cylinder communicated with a servo hydraulic system is arranged on the top seat, a movable die is arranged on the hydraulic oil cylinder, the servo hydraulic system supplies oil for the hydraulic oil cylinder so as to drive the movable die to move towards the fixed die, an accommodating disc for accommodating rivets is arranged on one side of the fixed die, an ejection mechanism for ejecting the rivets is arranged in the accommodating disc, a rivet feeding mechanism located on one side of the accommodating disc is arranged on the base, and the rivet feeding mechanism can suck the rivets on the accommodating disc and move to the upper side of the fixed die.
Preferably, the servo hydraulic system comprises an oil pump, an oil return tank and a servo valve connected with an A, B oil port in the hydraulic oil cylinder, an overflow valve and a pressure compensator are arranged between an oil outlet of the oil pump and an oil return port of the oil return tank, an oil outlet of the oil pump is connected with a port P of the servo valve, a port A of the servo valve is connected with an oil port A of the hydraulic oil cylinder through a one-way valve I, and a port B of the servo valve is communicated with an oil port B of the hydraulic oil cylinder through a one-way valve II.
Preferably, an oil port A of the hydraulic oil cylinder is connected with a constant flow valve, an inlet of the constant flow valve is connected between the oil port A of the hydraulic oil cylinder and the first check valve, and an outlet of the constant flow valve is connected to the pressure compensator.
Preferably, an oil port B of the hydraulic oil cylinder is connected with an electric control stop valve, an inlet of the electric control stop valve is connected between the oil port B of the hydraulic oil cylinder and the second check valve, and the electric control stop valve is connected to an oil return port of the oil return tank.
Preferably, the bottom of the accommodating disc is provided with an inwards concave opening, the cross section of the side wall of the accommodating disc is arc-shaped, the ejection mechanism is fixed in the inwards concave opening, the accommodating disc is installed on the base through the damping component and is provided with a vibration motor, and the vibration motor can drive the accommodating disc to vibrate and enable the rivet to enter the ejection mechanism.
Preferably, the ejection mechanism comprises a base plate arranged in the opening and a jacking disc positioned below the base plate, a cylindrical accommodating hole for rivets to enter is formed in the base plate, a jacking rod extending vertically upwards is arranged in the jacking disc, the jacking rod is hollow, a jacking cylinder for driving the jacking disc to move upwards is arranged on the base, and the jacking cylinder can drive the jacking rod to be positioned below the nail feeding mechanism for the nails to suck.
Preferably, the nail feeding mechanism comprises a fixed seat arranged on the base and a sliding arm which is slidably mounted on the fixed seat and connected with the transverse moving driving assembly, a nail feeding plate is arranged at the end part of the sliding arm, a sucker corresponding to the position of the cylindrical containing hole is arranged on the nail feeding plate and connected with the centrifugal air pump through an air pipe, the transverse moving driving assembly comprises a servo motor and a transmission belt, the sliding arm is connected with the transmission belt, and the servo motor drives the transmission belt to rotate so as to drive the sliding arm to transversely move.
Preferably, the control system comprises a human-computer interface, a PLC (programmable logic controller), a detection module and an execution module, wherein the human-computer interface is used for inputting and setting pressure and displacement parameters of the movable die and displaying execution results, the detection module is used for detecting position information of the movable die and the nail feeding mechanism and state information of the servo hydraulic system, the PLC is used for storing programs, executing logic operation, sequential control and receiving set parameter signals from the human-computer interface, receiving feedback signals from the detection module, outputting signals to the execution module after operation, and the execution module is used for controlling the nail feeding mechanism and the servo hydraulic system to work.
Preferably, the detection module comprises a first displacement sensor for detecting the position information of the jacking rod, a second displacement sensor for detecting the position information of the movable mold and a temperature sensor for oil temperature of an oil outlet of the oil pump, and the execution module comprises an electromagnetic valve for controlling the suction cup to supply and cut off air, a vibration motor for controlling the accommodating disc to supply rivets to the jacking mechanism, a jacking cylinder for controlling the jacking rod to lift, a servo motor for controlling the sliding arm to transversely move and a servo valve for controlling the hydraulic oil cylinder to supply oil.
The invention has the beneficial effects that: compared with the prior art, the invention utilizes the servo hydraulic system to control the flow of the hydraulic oil flowing into the hydraulic oil cylinder, achieves the accurate control of the displacement of the movable mould, the moving speed and the pressure, avoids the excessive press mounting of the rivet, achieves the mechanical installation of the rivet, improves the installation precision, avoids the manual operation of extending the rivet into the mould for installation and processing, and improves the product quality.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the accommodating tray of the present invention;
FIG. 3 is a schematic diagram of the servo hydraulic system of the present invention;
FIG. 4 is a connection block diagram of a control system in the present invention;
in the figure: 1-controller, 2-base, 3-top seat, 4-fixed mold, 5-hydraulic cylinder, 6-movable mold, 7-containing disk, 8-oil pump, 10-servo valve, 11-overflow valve, 12-pressure compensator, 13-one-way valve I, 13-one-way valve II, 14-constant flow valve, 15-electric control stop valve, 16-opening, 17-vibration motor, 18-base plate, 19-lifting disk, 20-cylindrical containing hole, 21-lifting rod, 22-lifting cylinder, 23-fixed seat, 24-sliding arm, 25-upper nail plate, 26-suction cup, 27-air pipe, 28-centrifugal air pump and 29-servo motor.
Detailed Description
Referring to fig. 1 to 4, the automobile clutch rivet fixing device comprises a controller 1 with a built-in control system, a base 2 for fixing the controller 1 and a top seat 3 arranged above the base 2, wherein a fixed die 4 for fixing an automobile clutch sucker is arranged on the base 2, a hydraulic oil cylinder 5 communicated with a servo hydraulic system is arranged on the top seat 3, a movable die 6 is arranged on the hydraulic oil cylinder 5, the servo hydraulic system supplies oil for the hydraulic oil cylinder 5 so that the hydraulic oil cylinder can drive the movable die 6 to move towards the fixed die 4, an accommodating disc 7 for accommodating rivets is arranged on one side of the fixed die 4, an ejection mechanism for ejecting the rivets is arranged in the accommodating disc 7, a rivet feeding mechanism located on one side of the accommodating disc 7 is arranged on the base 2, and the rivet feeding mechanism can suck the rivets on the accommodating disc 7 and move to the upper side of the fixed die 4.
Specifically, the servo hydraulic system comprises an oil pump 8, an oil return tank and a servo valve 10 connected with an A, B oil port in the hydraulic oil cylinder 5, an overflow valve 11 and a pressure compensator 12 are arranged between an oil outlet of the oil pump 8 and an oil return port of the oil return tank, an oil outlet of the oil pump 8 is connected with a port P of the servo valve 10, a port A of the servo valve 10 is connected with an oil port A of the hydraulic oil cylinder 5 through a check valve I13, and a port B of the servo valve 10 is communicated with an oil port B of the hydraulic oil cylinder 5 through a check valve II 13. The programmable controller 1 performs closed-loop control, and according to set parameters such as a set pressure target, the opening size of the servo valve 10 is output and controlled through calculation, and after the servo valve 10 receives an electric analog input signal and an output signal feedback quantity of a control system in the controller 1, the servo valve continuously and proportionally controls and outputs modulated pressure P and flow Q, so that the displacement, speed, acceleration and force of a piston rod in the hydraulic oil cylinder 5 are controlled. Compared with a proportional valve, the servo valve 10 has the advantages of small volume, compact structure, high control precision, good linearity, high power amplification factor, good dynamic performance, high response speed and the like.
Specifically, an oil port A of the hydraulic oil cylinder 5 is connected with a constant flow valve 14, an inlet of the constant flow valve 14 is connected between the oil port A of the hydraulic oil cylinder 5 and a first check valve 13, an outlet of the constant flow valve 14 is connected to a pressure compensator 12, an oil port B of the hydraulic oil cylinder 5 is connected with an electric control stop valve 15, an inlet of the electric control stop valve 15 is connected between the oil port B of the hydraulic oil cylinder 5 and a second check valve 13, and the electric control stop valve 15 is connected to an oil return port of an oil return tank. During riveting processing, the opening degree of a valve port of a servo valve 10 is adjusted according to a control system signal in a controller 1, oil in an oil pump 8 enters a hydraulic oil cylinder 5 through the servo valve 10 and a check valve 13, a piston rod of the oil cylinder extends out, after the piston rod moves to a designated position, the servo valve 10 is controlled to be closed by the control system signal in the controller 1, the movement of the piston rod stops, and redundant oil in the oil pump 8 in the movement process is unloaded by a pressure compensator 12 and returns to an oil tank; after riveting is finished, the movable die 6 is contacted with the fixed die 4, and the load pressure of the oil cylinder is unloaded through the constant flow valve 14.
Specifically, the bottom of holding dish 7 is equipped with the opening 16 of indent, and the cross-section of the opening 16 lateral wall of indent is the arc, ejection mechanism fixes in the opening 16 of indent, holding dish 7 is installed through damper assembly on base 2 and be equipped with shock dynamo 17, shock dynamo 17 can drive holding dish 7 vibrations and make the rivet enter into in the ejection mechanism. Since the rivet is small and vertical, the accommodating plate 7 can be erected by vibrating the accommodating plate by the vibrating motor 17 so as to be installed between the suction cup 26 and the fixing plate.
Specifically, the ejection mechanism comprises a chassis 18 arranged in the opening 16 and a jacking disc 19 positioned below the chassis 18, a cylindrical accommodating hole 20 for rivets to enter is formed in the chassis 18, a jacking rod 21 extending vertically upwards is arranged in the jacking disc 19, the jacking rod 21 is hollow, a jacking cylinder 22 for driving the jacking disc 19 to move upwards is arranged on the base 2, and the jacking cylinder 22 can drive the jacking rod 21 to be positioned below the upper nail mechanism for being sucked. The rivet has a difference in weight at both ends and will fall into the cylindrical receiving hole 20 when it vibrates in the receiving tray 7. Wherein generally be three riveting points in the automobile clutch sucking disc assembly, the row material shape of cylindricality accommodation hole 20 corresponds with the automobile clutch sucking disc, realizes arranging the rivet from this, after jacking cylinder 22 drive liftout pole 21 rises, will overlap and put outside the rivet and upwards jack-up enters into the below of last nail mechanism.
Specifically, the nailing mechanism comprises a fixed seat 23 arranged on the base 2 and a sliding arm 24 slidably mounted on the fixed seat 23 and connected with the transverse moving driving assembly, a nailing plate 25 is arranged at the end of the sliding arm 24, the nailing plate 25 is provided with a sucker 26 corresponding to the position of the cylindrical containing hole 20, the sucker 26 is connected with a centrifugal air pump 28 through an air pipe 27, the transverse moving driving assembly comprises a servo motor 29 and a transmission belt, the sliding arm 24 is connected with the transmission belt, and the servo motor 29 drives the transmission belt to rotate so as to drive the sliding arm 24 to transversely move. When the jacking rod 21 is positioned below the upper nail plate 25, the centrifugal air pump 28 provides power, so that the suction disc 26 sucks the rivet on the jacking rod 21 in a vertical shape, the servo motor 29 is utilized to drive the sliding arm 24 to move, the rivet enters the upper part of the fixed die 4, and after the centrifugal air pump 28 stops acting on the suction disc 26, the rivet automatically falls into the riveting point of the automobile clutch suction disc, and automatic nail feeding is completed.
Specifically, the control system comprises a human-computer interface, a PLC (programmable logic controller), a detection module and an execution module, wherein the human-computer interface is used for inputting and setting pressure and displacement parameters of the movable die and displaying execution results, the detection module is used for detecting position information of the movable die and the nail feeding mechanism and state information of the servo hydraulic system, the PLC is used for storing programs, executing logic operation, controlling sequence and receiving set parameter signals from the human-computer interface, receiving feedback signals from the detection module, outputting signals to the execution module after operation, and the execution module is used for controlling the nail feeding mechanism and the servo hydraulic system to work.
Specifically, the detection module comprises a first displacement sensor for detecting the position information of the jacking rod, a second displacement sensor for detecting the position information of the movable mold and a temperature sensor for oil temperature of an oil outlet of the oil pump, the execution module comprises an electromagnetic valve for controlling the suction cup 26 to supply and cut off air, a vibration motor 17 for controlling the accommodating disc to provide rivets for the jacking mechanism, a jacking cylinder 22 for controlling the jacking rod to lift, a servo motor 29 for controlling the sliding arm 24 to transversely move and a servo valve 10 for controlling the hydraulic oil cylinder 5 to supply oil.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (5)
1. High accuracy automobile clutch cold extrusion processing equipment, its characterized in that: comprises a controller (1) with a built-in control system, a base (2) for fixing the controller (1) and a top seat (3) arranged above the base (2), a fixed die (4) for fixing the automobile clutch sucker is arranged on the base (2), a hydraulic oil cylinder (5) communicated with the servo hydraulic system is arranged on the top seat (3), a moving die (6) is arranged on the hydraulic oil cylinder (5), the servo hydraulic system supplies oil to the hydraulic oil cylinder (5) so as to drive the moving die (6) to move towards the fixed die (4), one side of the fixed die (4) is provided with an accommodating disc (7) for accommodating rivets, an ejection mechanism for ejecting the rivet out is arranged in the accommodating disc (7), a nail feeding mechanism positioned on one side of the accommodating disc (7) is arranged on the base (2), the rivet feeding mechanism can suck rivets on the accommodating disc (7) and move the rivets above the fixed die (4);
the servo hydraulic system comprises an oil pump (8), an oil return box and a servo valve (10) connected with an A, B oil port in the hydraulic oil cylinder (5), an overflow valve (11) and a pressure compensator (12) are arranged between an oil outlet of the oil pump (8) and an oil return port of the oil return box, the oil outlet of the oil pump (8) is connected with a port P of the servo valve (10), a port A of the servo valve (10) is connected with the port A of the hydraulic oil cylinder (5) through a one-way valve I (13), and a port B of the servo valve (10) is communicated with the port B of the hydraulic oil cylinder (5) through a one-way valve II (13);
an oil port A of the hydraulic oil cylinder (5) is connected with a constant flow valve (14), an inlet of the constant flow valve (14) is connected between the oil port A of the hydraulic oil cylinder (5) and a one-way valve I (13), and an outlet of the constant flow valve (14) is connected to a pressure compensator (12);
an oil port B of the hydraulic oil cylinder (5) is connected with an electric control stop valve (15), an inlet of the electric control stop valve (15) is connected between the oil port B of the hydraulic oil cylinder (5) and the second check valve (13), and the electric control stop valve (15) is connected to an oil return port of the oil return tank.
2. The high-precision cold extrusion processing device for the automobile clutch, according to claim 1, is characterized in that: the bottom of holding dish (7) is equipped with opening (16) of indent, and the cross-section of opening (16) lateral wall of indent is the arc, ejection mechanism fixes in opening (16) of indent, holding dish (7) are installed through damper assembly on base (2) and be equipped with shock dynamo (17), shock dynamo (17) can drive holding dish (7) vibrations and make the rivet enter into in the ejection mechanism.
3. The high-precision cold extrusion processing device for the automobile clutch, according to claim 2, is characterized in that: ejecting mechanism is including setting up chassis (18) in the opening (16) of indent and being located jacking dish (19) of chassis (18) below, set up cylindricality appearance hole (20) that supply the rivet to get into in chassis (18), be equipped with vertical ascending pole (21) that upwards extend in jacking dish (19), ascending pole (21) are hollow form, be equipped with the drive on base (2) jacking cylinder (22) of jacking dish (19) rebound, jacking cylinder (22) can drive ascending pole (21) are located it absorbs is supplied to the below of nailing mechanism.
4. The high-precision cold extrusion processing device for the automobile clutch, according to claim 3, is characterized in that: the nail feeding mechanism comprises a fixed seat (23) arranged on a base (2) and a sliding arm (24) which is slidably mounted on the fixed seat (23) and connected with a transverse moving driving assembly, a nail feeding plate (25) is arranged at the end part of the sliding arm (24), a sucking disc (26) corresponding to the position of the cylindrical containing hole (20) is arranged on the nail feeding plate (25), the sucking disc (26) is connected with a centrifugal air pump (28) through an air pipe (27), the transverse moving driving assembly comprises a servo motor (29) and a transmission belt, the sliding arm (24) is connected with the transmission belt, and the servo motor (29) drives the transmission belt to rotate so as to drive the sliding arm (24) to transversely move.
5. The high-precision cold extrusion processing device for the automobile clutch, according to claim 4, is characterized in that: the control system comprises a human-computer interface, a PLC (programmable logic controller), a detection module and an execution module, wherein the human-computer interface is used for inputting and setting pressure and displacement parameters of the movable die and displaying execution results, the detection module is used for detecting position information of the movable die and the nail feeding mechanism and state information of the servo hydraulic system, the PLC is used for storing programs, executing logic operation, controlling sequence and receiving set parameter signals from the human-computer interface, receiving feedback signals from the detection module, outputting signals to the execution module after operation, and the execution module is used for controlling the nail feeding mechanism and the servo hydraulic system to work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910351418.XA CN110076276B (en) | 2019-04-28 | 2019-04-28 | High-precision cold extrusion processing equipment for automobile clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910351418.XA CN110076276B (en) | 2019-04-28 | 2019-04-28 | High-precision cold extrusion processing equipment for automobile clutch |
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| Publication Number | Publication Date |
|---|---|
| CN110076276A CN110076276A (en) | 2019-08-02 |
| CN110076276B true CN110076276B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910351418.XA Active CN110076276B (en) | 2019-04-28 | 2019-04-28 | High-precision cold extrusion processing equipment for automobile clutch |
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| CN (1) | CN110076276B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113118228B (en) * | 2021-05-10 | 2022-02-15 | 大昌汽车部件股份有限公司 | Cold extrusion processing device for piston and control method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202174208U (en) * | 2011-08-11 | 2012-03-28 | 浙江大学城市学院 | Hydraulic circuit of rolling and riveting system |
| CN103934404A (en) * | 2013-01-18 | 2014-07-23 | 昆山金群力精密模具有限公司 | Rivet feeding device |
| CN204449182U (en) * | 2015-02-06 | 2015-07-08 | 华茂机械(肇庆)有限公司 | A kind of clutch riveting press equipment |
| CN104827269B (en) * | 2015-05-05 | 2017-04-12 | 龙泉市中泰汽车空调有限公司 | Special bearing press mounting equipment for clutch driving disc |
| CN106925712B (en) * | 2017-05-04 | 2019-04-02 | 摩丁普信热能技术（江苏）有限公司 | Disk product automatic riveting press device |
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2019
- 2019-04-28 CN CN201910351418.XA patent/CN110076276B/en active Active
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Denomination of invention: High precision cold extrusion processing equipment for automobile clutch Effective date of registration: 20221206 Granted publication date: 20210105 Pledgee: Longquan Branch of China Construction Bank Co.,Ltd. Pledgor: LONGQUAN ZHONGTAI AUTO AIR CONDITIONER Co.,Ltd. Registration number: Y2022330003504 |
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