CN111173854A - Clutch friction block detection device of mechanical press - Google Patents

Clutch friction block detection device of mechanical press Download PDF

Info

Publication number
CN111173854A
CN111173854A CN202010010553.0A CN202010010553A CN111173854A CN 111173854 A CN111173854 A CN 111173854A CN 202010010553 A CN202010010553 A CN 202010010553A CN 111173854 A CN111173854 A CN 111173854A
Authority
CN
China
Prior art keywords
friction block
fan
clutch
shaped
clutch piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010010553.0A
Other languages
Chinese (zh)
Other versions
CN111173854B (en
Inventor
陈威
李林林
李丽
王健康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010010553.0A priority Critical patent/CN111173854B/en
Publication of CN111173854A publication Critical patent/CN111173854A/en
Application granted granted Critical
Publication of CN111173854B publication Critical patent/CN111173854B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/68—Attachments of plates or lamellae to their supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/022—Power-transmitting couplings or clutches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/08—Detecting presence of flaws or irregularities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D2066/008—Arrangements for monitoring working conditions, e.g. wear, temperature of clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The invention discloses a device for detecting a clutch friction block of a mechanical press, which comprises a friction block abrasion detection device arranged at a clutch piston cover and an automatic friction block replacement device arranged between a clutch piston and a friction disc; the friction block abrasion detection device comprises a distance measurement sensor arranged on a clutch piston cover and a probe arranged on the clutch piston, wherein the probe sequentially penetrates through the clutch piston and the clutch piston cover and extends out of the clutch piston cover, and the moving distance of the clutch piston relative to the clutch piston cover is detected by detecting the moving distance of the end part of the probe, so that the abrasion loss of the friction block is obtained, and the influence of axial vibration on the detection precision is avoided; the automatic friction block replacing device pushes out the auxiliary friction block by utilizing the thrust of the spring in a way of matching the inclined plane so as to replace the friction block to work, thereby ensuring that the clutch can work reliably and stably when the abrasion loss of the friction block reaches a limit value and preventing the slipping phenomenon.

Description

Clutch friction block detection device of mechanical press
Technical Field
The invention relates to the technical field of mechanical presses, in particular to a detection device for a clutch friction block of a mechanical press.
Background
At present, a disc friction block piston type clutch is generally adopted in a large-scale mechanical press, but the clutch adopting the friction block type can be continuously worn in the working process, the stroke of a clutch piston is increased along with the increase of the wear of the friction block, so that the disengagement time of the clutch is prolonged, when the disengagement time is longer than the braking time, the clutch and a brake are simultaneously acted, the press can not brake, and safety accidents are easily caused; in addition, the friction block continuously wears in the working process of the clutch, and once an operator does not check the friction block timely, the wear of the friction block exceeds the thickness of the adjusting shim, the clutch can slip, and the punching force of the sliding block is insufficient, so that waste products are caused.
In order to solve the technical problems, the patent with the application number of CN201810497068.3 provides an intelligent measurement and control device for a clutch friction block of a mechanical press, wherein a clutch friction block abrasion amount detection control system and a clutch friction block replacement alarm control system are respectively arranged on a clutch, a clutch transmission shaft rotation angle detection control system is arranged at the end part of a brake, the clutch friction block abrasion amount detection control system comprises a rotary joint arranged at the outer end part of a gland, a proximity switch A is arranged on the rotary joint, a detection frame matched with the proximity switch A to detect the abrasion amount of the friction block is arranged at the end part of a clutch pressure plate, a plurality of adjusting gaskets are arranged between a clutch piston cover and a flywheel, and the proximity switch A is connected with a PLC (programmable logic controller) through a lead; the detection frame for detecting the abrasion loss of the friction block is an L-shaped cantilever support plate, one end of the L-shaped cantilever support plate is fixedly arranged on the circumferential surface of the clutch pressure plate, the other end of the L-shaped cantilever support plate is suspended outside the clutch piston cover, when the clutch rotates, the axial vibration of the clutch is transmitted to the detection frame, and the vibration is amplified by the detection frame of the cantilever structure at the moment, so that the detection result is influenced; in addition, when the clutch friction block wear amount detection control system sends out excessive wear of the friction block, the clutch friction block replacement alarm control system sends out a signal to prompt that the friction block needs to be replaced manually or a gasket needs to be replaced; however, it takes time for manual reaction, and at this time, slipping may occur, and defective products may occur, and if the wear allowance is relaxed, replacement of the friction block is prompted when the friction block has not completely failed, which may result in waste of materials.
Therefore, a need exists for a device for detecting a clutch friction block of a mechanical press to solve the problems of the prior art.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a clutch friction block detection device of a mechanical press.
The invention is realized by the following technical scheme.
A kind of mechanical press clutch friction block checkout gear, including setting up the friction block abrasion checkout gear in the piston cap of the clutch and setting up the automatic replacing device of friction block between clutch piston and friction disc; the clutch piston cover is arranged on the clutch piston cover, the probe penetrates through the clutch piston and the clutch piston cover in sequence and extends out of the clutch piston cover, the detection head of the distance measuring sensor is opposite to the probe, the moving distance of the end part of the probe is detected, the moving distance of the clutch piston relative to the clutch piston cover is detected, and then the abrasion loss of the friction block is obtained.
Furthermore, the friction block abrasion detection device also comprises a rotary conductive slip ring which is arranged on the rotary air joint through a slip ring bracket; the rotating end of the rotating conductive slip ring is electrically connected with the distance measuring sensor, and power supply and signal output are carried out on the distance measuring sensor; and a lead at the fixed end of the rotary conductive slip ring is fixed on the air pipe and is connected with an external control device.
Furthermore, the automatic friction block replacing device comprises a supporting plate fixedly installed on one side, away from the friction block, of the friction block support; a plurality of first fan-shaped through holes are uniformly distributed on the end surface of the supporting disc along the circumferential direction; a fan-shaped top block which is consistent with the first fan-shaped through hole in shape is arranged in the first fan-shaped through hole; the fan-shaped top block slides in the first fan-shaped through hole.
Furthermore, wedge pits are arranged on the two sides of the first fan-shaped through hole on the end surface of the supporting disc; a circular through hole is formed in the thin wall between the wedge pit and the first fan-shaped through hole, a plurality of notches are radially and outwards formed in the circular through hole along the circumferential direction, and the notches are communicated with the circular through hole; and a wedge block is arranged in the circular through hole.
Furthermore, a first cylinder is arranged in the middle of the wedge block, and a third rectangular cylinder extends from one end of the first cylinder; the end part of the third rectangular cylinder is provided with an inclined plane; a second cylinder extends from the other end of the first cylinder; the end of the second cylinder is provided with a cylindrical protrusion.
Furthermore, the first cylinder is sleeved in a circular through hole on the thin wall between the wedge block pit and the first fan-shaped through hole; the outer circumference of the cylindrical bulge is sleeved with a jacking elastic piece; one end of the jacking elastic piece is propped against the end face of the second cylinder, and the other end of the jacking elastic piece is propped against the inner wall of the wedge block pit.
Furthermore, a baffle ring is sleeved on the outer circumference of the first cylinder; the baffle ring is provided with a plurality of bulges along the radial direction of the outer circumferential surface; the distribution and the appearance of the bulges on the baffle ring are consistent with the gaps of the circular through hole; one end of the baffle ring is attached to the second cylinder, and the bulge at the other end is attached to the thin wall between the wedge pit and the first fan-shaped through hole.
Furthermore, the third rectangular column is inserted into the fan-shaped top block; inclined plane pits with the inclination consistent with that of the inclined plane of the third rectangular cylinder are arranged in the fan-shaped top block and correspond to the third rectangular cylinder; and the inclined plane at the end part of the third rectangular column body is matched with the inclined plane in the inclined plane concave pit.
Furthermore, a plurality of deflector rods are uniformly distributed on the end surface of the friction block bracket along the circumferential direction; the deflector rod is of a cuboid rod-shaped structure, one end of the deflector rod radially extends to form a flange made of wear-resistant materials, and the other end of the deflector rod is provided with a spherical surface; the end face of the flange of the deflector rod is close to one side of the friction disc, and the rectangular rod of the deflector rod penetrates through the friction block support and extends out of the friction block support to reach the wedge block pit of the support disc; a projection on the baffle ring extends towards one side of the second cylinder along the axial direction; the spherical surface of the shifting lever props against the baffle ring and is provided with a bulge extending axially.
Furthermore, a plurality of second fan-shaped through holes are uniformly distributed on the flange of the friction block bracket along the circumferential direction in the area avoiding the friction block, and the second fan-shaped through holes and the friction block are arranged at intervals; an auxiliary friction block is arranged in the second fan-shaped through hole; the fan-shaped top block corresponds to the auxiliary friction block in position and is attached to the auxiliary friction block.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the invention, the distance measuring sensor is arranged on the clutch piston cover, the probe is arranged on the clutch piston, the probe sequentially penetrates through the clutch piston and the clutch piston cover and extends out of the clutch piston cover, the detection head of the distance measuring sensor is opposite to the probe, and the moving distance of the clutch piston relative to the clutch piston cover is detected by detecting the moving distance of the end part of the probe, so that the abrasion loss of a friction block is obtained, and the influence of axial vibration on the detection precision is avoided;
2) the rotary conductive slip ring is adopted to supply power to the distance measuring sensor and realize signal output, so that the normal work of the distance measuring sensor in a rotary state is ensured;
3) according to the invention, the auxiliary friction block is arranged on the flange of the friction block bracket, and the auxiliary friction block is pushed out by utilizing the spring thrust in an inclined surface matching manner under the condition that the friction block is worn so as to replace the friction block to work, so that the clutch can reliably and stably work when the wear loss of the friction block reaches a limit value, and the slipping phenomenon is prevented.
Drawings
FIG. 1 is a cross-sectional view of the clutch of the present invention;
FIG. 2 is an enlarged view of section B of FIG. 1;
FIG. 3 is a schematic view of a friction block support and support disc assembly;
FIG. 4 is a schematic structural view of a friction block holder;
FIG. 5 is a schematic view of a support plate structure;
FIG. 6 is a schematic view of the assembly of the support plate and wedge;
FIG. 7 is a schematic structural view of a wedge;
FIG. 8 is a front view of the support plate assembly;
3 FIG. 3 9 3 is 3 a 3 rotated 3 view 3 of 3 the 3 section 3 A 3- 3 A 3 of 3 FIG. 3 8 3; 3
Fig. 10 is a rotated view of the cross-sectional view C-C of fig. 8.
In the figure: 1. a clutch piston cover; 2. a clutch piston; 3. a friction block support; 4. a friction block; 5. a high-speed gear shaft; 6. a friction disk; 7. a flywheel; 8. a rotary gas joint; 9. a support disc; 10. a gasket; 11. compressing the elastic member; 12. a cavity; 13. air holes; 14. a slip ring support; 15. rotating the conductive slip ring; 16. a ranging sensor; 17. a sensor holder; 18. a probe; 19. a secondary friction block; 20. a second fan-shaped through hole; 21. a groove; 22. a first fan-shaped through hole; 23. a fan-shaped top block; 24. a wedge pit; 25. a circular through hole; 26. a wedge block; 27. a first cylinder; 28. a third rectangular column; 29. a second cylinder; 30. a deflector rod; 31. jacking up the elastic piece; 32. a cylindrical bulge; 33. and (4) a baffle ring.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1 to 10, the mechanical press clutch includes: the clutch comprises a clutch piston cover 1, a clutch piston 2, a friction block bracket 3, a friction block 4, a high-speed gear shaft 5, a friction disc 6 and a flywheel 7;
the friction block bracket 3 is of a hollow cylinder structure, and a flange extends outwards in the radial direction on the outer circumferential surface of the middle part of the hollow cylinder;
the hollow cylinder of the friction block bracket 3 is sleeved on the high-speed gear shaft 5, and is connected by key to realize radial fixation and axially slides on the high-speed gear shaft 5;
a plurality of grooves 21 are uniformly distributed on the flange end surface of the friction block bracket 3 in the circumferential direction, and friction blocks 4 are arranged in the grooves 21;
the bottom surface of the friction block 4 is bonded in the groove 21;
the flywheel 7 is rotatably installed on the outer circumferential surface of the high-speed gear shaft through a rolling bearing;
the flywheel 7 is arranged on one side close to the friction block 4;
a friction disc 6 is arranged on the end surface of the flywheel 7 opposite to the friction block 4;
the clutch piston cover 1 is arranged on the side facing away from the friction block 4;
the end surface of the clutch piston cover 1 close to the outer circumference is connected with the flywheel 7 through a bolt;
the clutch piston cover 1 is internally sleeved with a clutch piston 2, and the adjacent end surfaces of the clutch piston cover and the clutch piston form a cavity 12;
the clutch piston 2 slides in the clutch piston cover 1;
a sealing ring is arranged between the clutch piston 2 and the clutch piston cover 1;
an air hole 13 is formed in the center of the clutch piston cover 1;
a rotary air joint 8 is arranged at the air hole 13;
the rotary air joint 8 is connected with an air compressor through an air pipe;
when the air compressor supplies air to the rotary air joint 8, the cavity 12 is inflated to push the clutch piston 2 to slide towards the flywheel 7, and further push the friction block support 3 to the flywheel 7;
the friction block 4 on the friction block bracket 3 is pressed against the friction disc 6 on the end surface of the flywheel 7;
when the flywheel 7 rotates at a high speed, the friction block 4 is pressed against the end face of the friction disc 6, the friction block support 3 is driven to rotate along with the flywheel 7 through the friction force between the friction block 4 and the friction disc 6, and the friction block support 3 drives the high-speed gear shaft to rotate, so that the clutch transmits power.
A concave pit is arranged on the end surface of the clutch piston 2 close to one side of the flywheel 7;
a stud is fixedly arranged on the flywheel 7 at a position opposite to the concave pit;
the outer circumference of the stud is sleeved with a compression elastic piece 11;
the other end of the compression elastic piece 11 is abutted against the bottom of the concave pit;
when the air compressor no longer supplies air to the rotary air connector 8, the compression elastic piece 11 forces the clutch piston 2 to slide to the side away from the flywheel 7; at the moment, the friction block 4 is not pressed against the end face of the flywheel 7 any more, and the high-speed gear stops rotating under the braking action of the brake.
A detection device for a friction block of a mechanical press machine separation device comprises a friction block abrasion detection device and an automatic friction block replacement device;
the friction block abrasion detection device is arranged at a clutch piston cover 1 of the clutch, and detects the abrasion loss of the friction block 4 by detecting the moving distance of a clutch piston 2;
the automatic friction block replacing device is arranged between the clutch piston 2 and the friction disc 6, and automatically replaces the friction block when the abrasion loss of the friction block 4 reaches a limit value.
The friction block wear detection device includes: a rotating conductive slip ring 15, a slip ring support 14, a distance measuring sensor 16, a sensor support 17 and a probe 18;
one end of the slip ring bracket 14 is installed at one end where the rotary air joint 8 is fixed;
the rotating conductive slip ring 15 is fixedly arranged at the other end of the slip ring bracket 14;
the probe 18 is a round rod-shaped structure, and a round disk extends from one end of the probe 18;
when the device is installed, the round rod of the probe 18 sequentially penetrates through the clutch piston 2 and the clutch piston cover 1 and extends out of the clutch piston cover 1;
one end of the probe 18 with a disc is attached to one side, away from the clutch piston cover 1, of the clutch piston 2, and is fixedly installed on the clutch piston cover 1 through a bolt;
the contact part of the round rod of the probe 18 and the clutch piston 2 is sealed;
the contact part of the round rod of the probe 18 and the clutch piston cover 1 is sealed;
the sensor bracket 17 is fixedly arranged on the outer surface of the clutch piston cover 1;
the distance measuring sensor 16 is fixedly arranged on the sensor bracket 17, and the detection head faces the clutch piston cover 1;
the rotating end of the rotating conductive slip ring 15 is electrically connected with the distance measuring sensor 16, and supplies power and outputs signals to the distance measuring sensor 16;
the lead wire at the fixed end of the rotary conductive slip ring 15 is fixed on the air pipe and is connected with an external control device (not shown).
The detection head of the distance measuring sensor 16 is coaxial with the round rod of the probe 18;
the distance between the end of the probe 18 and the distance between the end of the distance measuring sensor 16 become longer when the friction block 4 is worn and the stroke of the clutch piston 2 pressing against the flywheel 7 becomes longer;
and setting a wear limit value, and when the detection distance reaches a limit set value, giving an alarm prompt by a detection device to replace the gasket or the friction block.
When the abrasion loss of the friction block reaches the limit, the detection device of the invention sends an alarm to prompt an operator to replace the gasket or the friction block, but the actual alarm is generally sent in the actual production process, in order to avoid generating inferior products due to the occurrence of a slipping phenomenon during the alarm, the automatic friction block replacing device is arranged between the clutch piston 2 and the friction block 4, the abrasion loss of the friction block 4 is at the limit, the friction block 4 is automatically replaced, the smooth production is ensured, and the failed friction block 4 or the replacement of the gasket is replaced after the ongoing production is completed.
A plurality of second fan-shaped through holes 20 are uniformly distributed on the flange of the friction block bracket 3 in the circumferential direction in the area avoiding the friction block 4, and the second fan-shaped through holes 20 and the friction block 4 are arranged at intervals;
an auxiliary friction block 19 is arranged in the second fan-shaped through hole 20;
in normal operation, on the side close to the flywheel 7, the upper surface of the auxiliary friction block 19 is lower than the upper surface of the friction block 4; the friction block 4 is tightly pressed with the flywheel 7, and the power of the flywheel 7 is transmitted to the friction block support 3.
In order to jack up the sub pad 19 when the wear amount of the pad 4 reaches a set value,
the automatic friction block replacing device comprises a supporting plate 9;
the supporting disc 9 is fixedly arranged on one side of the friction block bracket 3, which is far away from the friction block 4;
the clutch piston 2 pushes the friction block bracket 3 to slide through a supporting plate 9;
a plurality of first fan-shaped through holes 22 are uniformly distributed on the end surface of the supporting disc 9 along the circumferential direction;
a fan-shaped top block 23 which is consistent with the first fan-shaped through hole 22 in shape is arranged in the first fan-shaped through hole 22;
the fan-shaped top block 23 slides in the first fan-shaped through hole 22;
wedge pits 24 are arranged on the end surface of the supporting disc 9 and on two sides of the first fan-shaped through hole 22;
a circular through hole 25 is formed in a thin wall between the wedge pit 24 and the first fan-shaped through hole 22, a plurality of gaps are formed in the circular through hole 25 radially outwards along the circumferential direction, and the gaps are communicated with the circular through hole 25;
a wedge block 26 is arranged in the circular through hole 25;
a first cylinder 27 is arranged in the middle of the wedge 26, and a third rectangular column 28 extends from one end of the first cylinder 27;
the end of the third rectangular cylinder 28 is set as an inclined plane;
a second cylinder 29 extends from the other end of the first cylinder 27;
second cylinder the end of said second cylinder 29 is provided with a cylindrical projection 32;
the outer circumference of the cylindrical protrusion 32 is sleeved with a jacking elastic piece 31;
one end of the jacking elastic piece 31 is propped against the end surface of the second cylinder 29, and the other end is propped against the inner wall of the wedge block pit 24;
the first cylinder 27 is sleeved in a circular through hole 25 on the thin wall between the wedge pit 24 and the first fan-shaped through hole 22;
the third rectangular column 28 is inserted into the fan-shaped top block 23;
a bevel pit is arranged in the fan-shaped top block 23 corresponding to the third rectangular cylinder 28;
the shape of the inclined plane pit is consistent with that of the third rectangular cylinder 28;
the inclined plane at the end of the third rectangular column 28 is matched with the inclined plane in the inclined plane pit;
when the wedge 26 slides to the side of the sector top block 23, the sector top block 23 is pushed out toward the friction block bracket 3 by the inclined surface fit.
A baffle ring 33 is sleeved on the outer circumference of the first cylinder 27;
the baffle ring 33 is provided with a plurality of bulges along the outer circumferential surface radially outwards;
the distribution and the appearance of the bulges on the baffle ring 33 are consistent with the gaps of the circular through hole 25;
one end of the baffle ring 33 is attached to the second cylinder 29, and the protrusion at the other end is attached to the thin wall between the wedge pocket 24 and the first fan-shaped through hole 22;
when the wedge block is installed, the protrusions on the stop ring 33 are staggered with the notches of the circular through hole 25, and the jacking elastic piece 31 presses the wedge block 26 on the thin wall between the wedge block pit 24 and the first fan-shaped through hole 22 through the stop ring 33.
A plurality of deflector rods 30 are uniformly distributed on the end surface of the friction block bracket 3 along the circumferential direction;
the shift lever 30 is a cuboid rod-shaped structure, one end of the shift lever extends along the radial direction to form a flange made of wear-resistant materials, and the other end of the shift lever is a spherical surface;
the flange end surface of the shift lever 30 is close to one side of the friction disc 6;
the rectangular rod of the shift lever 30 sequentially penetrates through the friction block bracket 3, extends out of the friction block bracket 3 and reaches the wedge block pit 24 of the support plate 9;
a projection of the stop ring 33 extends axially toward the second cylinder 29;
the spherical surface of the shift lever 30 abuts against the stop ring 33 and is provided with a protrusion extending axially; when the friction block 4 is worn, the distance between the friction disc 6 and the friction block support 3 is reduced, the friction disc 6 pushes the shift lever 30 to move towards the support plate 9, the spherical surface of the shift lever 30 pushes the retaining ring 33 to be provided with a protrusion extending axially, so that the retaining ring 33 rotates, when the wear amount reaches a set value, the protrusion of the retaining ring 33 is completely overlapped with the notch of the circular through hole 25, the wedge block 26 moves towards the sector ejector block 23 under the action of the jacking elastic piece 31, and the sector ejector block 23 is jacked up due to the inclined surface fit between the wedge block 26 and the sector ejector block 23;
the fan-shaped top block 23 corresponds to the auxiliary friction block 19 in position, and the surfaces of the fan-shaped top block and the auxiliary friction block are attached; when the fan-shaped jacking block 23 is jacked up, the auxiliary friction block 19 is jacked up and pressed against the end face of the flywheel 7 to replace the friction block 4 to work, so that the slipping phenomenon is avoided.
When the clutch is used specifically, when the friction block is worn, the motion stroke of the clutch piston is increased, the distance measuring sensor detects the distance of the end part of the probe, and when the distance reaches a limit value, a signal for replacing the gasket or the friction block is sent; on the other hand, the distance between the friction disc and the friction block bracket is reduced, the friction disc 6 pushes the shift lever 30 to move towards the support disc 9, the spherical surface of the shift lever 30 pushes the baffle ring 33 to be provided with a protrusion extending axially, so that the baffle ring 33 rotates, when the abrasion loss reaches a set value, the protrusion of the baffle ring 33 is completely overlapped with the notch of the circular through hole 25, the wedge block 26 moves towards the fan-shaped top block 23 under the action of the jacking elastic piece 31, the fan-shaped top block 23 is jacked up due to the inclined surface fit between the wedge block 26 and the fan-shaped top block 23, and the position of the fan-shaped top block 23 corresponds to that of the auxiliary friction block 19, and the surface of the fan-shaped top block 23 is attached; when the fan-shaped jacking block 23 is jacked up, the auxiliary friction block 19 is jacked up and pressed against the end face of the flywheel 7 to replace the friction block 4 to work, so that the slipping phenomenon is avoided.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.

Claims (10)

1. The device for detecting the friction block of the clutch of the mechanical press is characterized by comprising a friction block abrasion detection device arranged at a clutch piston cover (1) and an automatic friction block replacement device arranged between a clutch piston (2) and a friction disc (6); the clutch piston cover wear detection device comprises a distance measuring sensor (16) arranged on a clutch piston cover (1) and a probe (18) arranged on the clutch piston (2), wherein the probe (18) sequentially penetrates through the clutch piston (2) and the clutch piston cover (1) and extends out of the clutch piston cover (1), a detection head of the distance measuring sensor (16) is opposite to the probe (18), the moving distance of the end part of the probe (18) is detected to detect the moving distance of the clutch piston (2) relative to the clutch piston cover (1), and then the wear loss of a friction block (4) is obtained.
2. Mechanical press clutch friction block detection device according to claim 1, characterized in that it further comprises a rotating conductive slip ring (15) mounted on the rotating gas joint (8) by a slip ring bracket (14); the rotating end of the rotating conductive slip ring (15) is electrically connected with the distance measuring sensor (16) and supplies power and outputs signals to the distance measuring sensor (16); and a lead at the fixed end of the rotary conductive slip ring (15) is fixed on the air pipe and is connected with an external control device.
3. The mechanical press clutch friction block detection device according to claim 1, characterized in that the automatic friction block replacement device comprises a support disc (9) fixedly mounted on the side of the friction block support (3) facing away from the friction block (4); a plurality of first fan-shaped through holes (22) are uniformly distributed on the end surface of the supporting disc (9) along the circumferential direction; a fan-shaped top block (23) which is consistent with the first fan-shaped through hole (22) in shape is arranged in the first fan-shaped through hole (22); the fan-shaped top block (23) slides in the first fan-shaped through hole (22).
4. Mechanical press clutch friction block detection device according to claim 3, characterized in that on the end face of the support disc (9) there are wedge pockets (24) on both sides of the first fan-shaped through hole (22); a circular through hole (25) is formed in a thin wall between the wedge pit (24) and the first fan-shaped through hole (22), a plurality of notches are formed in the circular through hole (25) radially outwards along the circumferential direction, and the notches are communicated with the circular through hole (25); a wedge block (26) is arranged in the circular through hole (25).
5. The mechanical press clutch friction block tester as claimed in claim 4, characterized in that the wedge (26) has a first cylinder (27) in the middle, and a third rectangular column (28) extends from one end of the first cylinder (27); the end part of the third rectangular cylinder (28) is arranged to be an inclined plane; a second cylinder (29) extends from the other end of the first cylinder (27); the end of the second cylinder (29) is provided with a cylindrical protrusion (32).
6. The mechanical press clutch friction block detection device according to claim 5, characterized in that the first cylinder (27) is fitted in a circular through hole (25) in the thin wall between the wedge pocket (24) and the first fan-shaped through hole (22); the outer circumference of the cylindrical bulge (32) is sleeved with a jacking elastic piece (31); one end of the jacking elastic piece (31) is propped against the end surface of the second cylinder (29), and the other end of the jacking elastic piece is propped against the inner wall of the wedge block pit (24).
7. The mechanical press clutch dog detection device according to claim 6, wherein a stop ring (33) is sleeved on an outer circumference of the first cylinder (27); the baffle ring (33) is provided with a plurality of bulges along the outer circumferential surface radially outwards; the distribution and the appearance of the bulges on the baffle ring (33) are consistent with the gaps of the circular through hole (25); one end of the baffle ring (33) is attached to the second cylinder (29), and the protrusion at the other end is attached to the thin wall between the wedge pit (24) and the first fan-shaped through hole (22).
8. The mechanical press clutch friction block detection device according to claim 7, characterized in that said third oblong-shaped cylinder (28) is inserted inside said sector-shaped top block (23); inclined plane pits with the inclination consistent with that of the inclined plane of the third rectangular cylinder (28) are arranged in the fan-shaped top block (23) corresponding to the third rectangular cylinder (28); the inclined plane of the end part of the third rectangular cylinder (28) is matched with the inclined plane in the inclined plane concave pit.
9. The mechanical press clutch friction block detection device according to claim 8, wherein a plurality of shift levers (30) are uniformly distributed on the end surface of the friction block support (3) along the circumferential direction; the deflector rod (30) is of a cuboid rod-shaped structure, one end of the deflector rod radially extends to form a flange made of wear-resistant materials, and the other end of the deflector rod is provided with a spherical surface; the flange end surface of the deflector rod (30) is close to one side of the friction disc (6), and a rectangular rod of the deflector rod (30) penetrates through the friction block bracket (3), extends out of the friction block bracket (3) and reaches a wedge block pit (24) of the support disc (9); a projection on the retaining ring (33) extends axially towards the second cylinder (29); the spherical surface of the shift lever (30) is abutted against the baffle ring (33) and is provided with a protrusion extending axially.
10. The mechanical press clutch friction block detection device according to claim 9, characterized in that a plurality of second fan-shaped through holes (20) are uniformly distributed on the flange of the friction block bracket (3) in the circumferential direction in the area avoiding the friction block (4), and the second fan-shaped through holes (20) are spaced from the friction block (4); an auxiliary friction block (19) is arranged in the second fan-shaped through hole (20); the fan-shaped top block (23) corresponds to the auxiliary friction block (19) in position and is attached to the auxiliary friction block.
CN202010010553.0A 2020-01-06 2020-01-06 Clutch friction block detection device of mechanical press Expired - Fee Related CN111173854B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010010553.0A CN111173854B (en) 2020-01-06 2020-01-06 Clutch friction block detection device of mechanical press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010010553.0A CN111173854B (en) 2020-01-06 2020-01-06 Clutch friction block detection device of mechanical press

Publications (2)

Publication Number Publication Date
CN111173854A true CN111173854A (en) 2020-05-19
CN111173854B CN111173854B (en) 2020-10-09

Family

ID=70623783

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010010553.0A Expired - Fee Related CN111173854B (en) 2020-01-06 2020-01-06 Clutch friction block detection device of mechanical press

Country Status (1)

Country Link
CN (1) CN111173854B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114589956A (en) * 2022-03-10 2022-06-07 扬力集团股份有限公司 Hot die forging press clutch brake with position detection and control detection method
CN115015109A (en) * 2022-05-27 2022-09-06 江苏浙标通用零部件股份有限公司 Fastener detection device that punches a hole

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1548312A2 (en) * 2003-12-22 2005-06-29 Kabushiki Kaisha F.C.C. Process and device for producing clutch friction plate
CN108253049A (en) * 2018-01-31 2018-07-06 重庆市璧山区合成机械制造有限公司 Clutch detection device
CN108644265A (en) * 2018-05-22 2018-10-12 荣成华东锻压机床股份有限公司 Mechanical press brake pads intelligent measuring and control device
CN108757762A (en) * 2018-05-22 2018-11-06 荣成华东锻压机床股份有限公司 Mechanical press clutch block intelligent measuring and control device
CN110259858A (en) * 2019-06-04 2019-09-20 山东金麒麟股份有限公司 A kind of brake block and vehicle with thickness detection apparatus
CN110285734A (en) * 2019-06-26 2019-09-27 济南二机床集团有限公司 A kind of mechanical press dry clutch friction block abrasion amount detecting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1548312A2 (en) * 2003-12-22 2005-06-29 Kabushiki Kaisha F.C.C. Process and device for producing clutch friction plate
CN108253049A (en) * 2018-01-31 2018-07-06 重庆市璧山区合成机械制造有限公司 Clutch detection device
CN108644265A (en) * 2018-05-22 2018-10-12 荣成华东锻压机床股份有限公司 Mechanical press brake pads intelligent measuring and control device
CN108757762A (en) * 2018-05-22 2018-11-06 荣成华东锻压机床股份有限公司 Mechanical press clutch block intelligent measuring and control device
CN110259858A (en) * 2019-06-04 2019-09-20 山东金麒麟股份有限公司 A kind of brake block and vehicle with thickness detection apparatus
CN110285734A (en) * 2019-06-26 2019-09-27 济南二机床集团有限公司 A kind of mechanical press dry clutch friction block abrasion amount detecting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114589956A (en) * 2022-03-10 2022-06-07 扬力集团股份有限公司 Hot die forging press clutch brake with position detection and control detection method
CN115015109A (en) * 2022-05-27 2022-09-06 江苏浙标通用零部件股份有限公司 Fastener detection device that punches a hole
CN115015109B (en) * 2022-05-27 2023-09-22 江苏浙标通用零部件股份有限公司 Fastener detection device that punches a hole

Also Published As

Publication number Publication date
CN111173854B (en) 2020-10-09

Similar Documents

Publication Publication Date Title
CN111173854B (en) Clutch friction block detection device of mechanical press
KR20000035412A (en) Rotary seal with relief angle for controlled tipping
CN109931901B (en) Axial negative clearance detection method of hub bearing
CN105953000A (en) Medium-pressure high-speed rotating connector
CN112963469B (en) Caliper disc brake for monitoring braking positive pressure and monitoring method thereof
CN107413461B (en) Ceramic ball mill
CN201210002Y (en) Radial automatic compensation type labyrinth for rotary drum body
CN108825686A (en) A kind of electromechanical brake
CN216922971U (en) Disc brake with fatigue detection function of belleville spring
CN116857308A (en) Brake, control system and operation machinery
CN113864457B (en) Main drive sealing system
CN215487358U (en) Built-in movable shaft disc type brake for monitoring positive braking pressure
CN115276333A (en) Coupling tool for pressing a disk against a shaft and rotor shaft for an electric machine
CN212479762U (en) Integrated sealing device for piston
CN210070785U (en) Dry clutch friction block abrasion loss detection device for mechanical press
CN103111573A (en) Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof
CN112963468A (en) Disc brake for monitoring positive braking pressure and monitoring method thereof
CN106767655B (en) Compensation angle detection device
CN218954023U (en) Shaft seal structure with on-line overhaul function
CN110207986A (en) A kind of experimental rig detecting bearing life
CN101135376B (en) Self-tightening type mechanical sealing device
CN219034661U (en) Top drive flushing pipe device of mechanical seal
CN219221259U (en) Radial double-end-face mechanical sealing device
CN103231256A (en) Locking device for rotary working table
CN116989074B (en) Air-break brake type clamp for air-float turntable

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201009

Termination date: 20220106