CN109334072B - Multi-connecting rod press - Google Patents
Multi-connecting rod press Download PDFInfo
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- CN109334072B CN109334072B CN201811579973.XA CN201811579973A CN109334072B CN 109334072 B CN109334072 B CN 109334072B CN 201811579973 A CN201811579973 A CN 201811579973A CN 109334072 B CN109334072 B CN 109334072B
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- 210000004907 gland Anatomy 0.000 claims description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
- B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/10—Brakes specially adapted for presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a multi-connecting rod press machine which comprises an open machine body, a working table plate and a sliding block, wherein the sliding block is in sliding connection with the open machine body through a sliding rail; the sliding block is connected with a crankshaft through a connecting rod arranged at the top of the sliding block, a main connecting rod is sleeved at the tail end of the crankshaft, the main connecting rod is connected with a secondary connecting rod through a first pin shaft, the secondary connecting rod is connected with a first gear sleeved outside the eccentric sleeve through a second pin shaft, a second gear is meshed with the bottom of the first gear, a third gear rigidly connected with the second gear is sleeved outside the second gear, a fourth gear is meshed with the bottom of the third gear, a brake is arranged at the head end of a gear shaft of the fourth gear, the tail end of the gear shaft of the fourth gear is connected with a servo motor, and the servo motor drives the fourth gear to rotate; the multi-connecting-rod press provided by the invention drives the crankshaft to move through the multi-connecting-rod mechanism, so that the servo press for controlling the movement of the sliding block is realized, and the problems of program control of the movement position and speed of the sliding block, improvement of the rigidity of the press and saving of manufacturing cost are solved.
Description
Technical Field
The invention relates to the technical field of presses, in particular to a multi-connecting-rod press.
Background
Currently, a common servo press generally has two drive modes:
the servo motor is adopted to directly drive the gear pair, and the large gear directly drives the crankshaft to move, so that the control of the movement of the sliding block is realized; the driving mode does not adopt a mechanical force increasing mechanism, has the problem of high requirement on the torque of the servo motor, and configures the torque of the servo motor according to a nominal force stroke interval, so that the servo motor is excessively selected, the manufacturing cost is increased, and the resource waste of the servo press during the idle running period is also brought.
The servo motor is adopted to directly drive the gear pair, the large gear drives the crankshaft to move, and the crankshaft drives the toggle rod mechanism to strengthen the force, so that the control of the movement of the sliding block is realized; the driving mode adopts a toggle rod force increasing mechanism technology, so that the problems of the torque of the servo motor in the capacity generating point interval and the idle running period are solved well, but the problems of complex toggle rod transmission mechanism, large total gap of connecting parts and low rigidity of the press are also solved.
Therefore, the existing servo press has the defects of high cost, complex structure and low rigidity.
Disclosure of Invention
The invention aims to provide a multi-connecting-rod press machine, which solves the problems in the prior art, realizes the control of the movement of a sliding block by driving a crankshaft to move through a multi-connecting-rod mechanism, and solves the problems in the aspects of program control of the movement position and speed of the sliding block, improvement of the rigidity of the press machine and saving of manufacturing cost.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a multi-connecting-rod press machine which comprises an open machine body, a working table plate arranged at the head end of the open machine body and a sliding block arranged at the top of the working table plate, wherein a sliding rail is arranged on the open machine body, and the sliding block is in sliding connection with the open machine body through the sliding rail;
the sliding block is connected with a crankshaft through a connecting rod arranged at the top of the sliding block, the crankshaft is longitudinally arranged, the head end of the crankshaft is rotationally connected with a front plate of the open type machine body, and the tail end of the crankshaft penetrates through an eccentric sleeve to be rotationally connected with a rear plate of an oil tank of the open type machine body; the tail end of the crankshaft is sleeved with a main connecting rod, the main connecting rod is fixedly connected with the crankshaft, the main connecting rod is connected with a secondary connecting rod through a first pin shaft, the secondary connecting rod is connected with a first gear sleeved outside the eccentric sleeve through a second pin shaft, a second gear is meshed with the bottom of the first gear, the second gear is sleeved on an intermediate shaft, a third gear in rigid connection with the second gear is sleeved outside the second gear, a fourth gear is meshed with the bottom of the third gear, a brake is rigidly connected to the head end of a gear shaft of the fourth gear, the tail end of the gear shaft of the fourth gear is rigidly connected with a power output shaft of a servo motor, and the servo motor drives the fourth gear to rotate.
Preferably, a crankshaft mounting hole is formed in the front plate of the machine body, and the head end of the crankshaft is rotationally connected into the crankshaft mounting hole through a bearing; the oil tank back plate of open fuselage with the position that the bent axle mounting hole is relative is provided with the gland mounting hole, be fixed with big gland on the gland mounting hole, be fixed with little gland on the centre bore of big gland, the bent axle tail end with be provided with the bent axle gland on the terminal surface that little gland is relative, bent axle output shaft one end with bent axle gland fixed connection, the bent axle output shaft other end passes little gland is connected with an encoder, just the bent axle output shaft with rotate through the bearing between the little gland.
Preferably, a vertically arranged stepped oil tank plate is further arranged between the front plate of the machine body and the rear plate of the oil tank, the oil tank plate comprises a high-level oil tank front plate, a high-level oil tank bottom plate, a low-level oil tank front plate and a low-level oil tank bottom plate, the high-level oil tank front plate is arranged at the top of the low-level oil tank front plate, one end of the high-level oil tank bottom plate is connected with the bottom of the high-level oil tank front plate, the other end of the high-level oil tank bottom plate is connected with the top of the low-level oil tank front plate, one end of the low-level oil tank bottom plate is connected with the bottom of the low-level oil tank front plate, and the other end of the low-level oil tank bottom plate is connected with the bottom of the rear plate of the oil tank;
the eccentric sleeve is fixed at the top tail end of the high-level oil tank front plate, the intermediate shaft is installed between the high-level oil tank front plate and the oil tank rear plate, one end of a gear shaft of the fourth gear is installed on the low-level oil tank front plate, and the other end of the gear shaft of the fourth gear is installed on the oil tank rear plate.
Preferably, a through hole opposite to the crankshaft mounting hole is formed in the front plate of the high-level oil tank, a raised eccentric sleeve mounting plane with an eccentric sleeve positioning shoulder hole is formed in the plate body of the front plate of the high-level oil tank at the tail end of the through hole, a boss at the head end of the eccentric sleeve is limited in the eccentric sleeve positioning shoulder hole, and a mounting surface of the eccentric sleeve is fixed on the eccentric sleeve mounting plane; a first copper sleeve is arranged between the crankshaft and the through hole, and a second copper sleeve is arranged between the crankshaft and the inner hole of the eccentric sleeve.
Preferably, an eccentric sleeve positioning hole is formed in the bottom of the eccentric sleeve mounting plane, and the eccentric sleeve positioning hole is fixedly connected with the mounting surface of the eccentric sleeve through a positioning key.
Preferably, the bottom of the high-level oil tank front plate and the oil tank rear plate are provided with intermediate shaft mounting holes relatively, the head end of the intermediate shaft is fixedly connected with the intermediate shaft mounting holes on the high-level oil tank front plate, a rear shaft seat is fixed on the intermediate shaft mounting holes on the oil tank rear plate, and the tail end of the intermediate shaft is fixedly connected with the rear shaft seat through a flat key.
Preferably, the low-level oil tank front plate and the oil tank rear plate are provided with fourth gear mounting holes relatively, a gear shaft of the fourth gear is rotationally connected with the fourth gear mounting holes on the low-level oil tank front plate through a front shaft seat, the gear shaft of the fourth gear is rotationally connected with the fourth gear mounting holes on the oil tank rear plate through a bearing seat, a part of the gear shaft of the fourth gear penetrating out of the front shaft seat is connected with the brake, and the end part of the gear shaft of the fourth gear penetrating out of the bearing seat is connected with a power output shaft of the servo motor through a tensioning sleeve.
Preferably, a rotary joint is further fixed at the axial center of the head end of the gear shaft of the fourth gear.
Preferably, the first gear is sleeved on the eccentric sleeve through a third copper sleeve, and the tail end of the first gear is axially limited on the eccentric sleeve through an adjusting gland; a fourth copper sleeve is arranged between the auxiliary connecting rod and the first pin shaft; a fifth copper sleeve is arranged between the second gear and the intermediate shaft.
Preferably, the brake is a pneumatic friction clutch brake, and an air reservoir is further installed at the top of a cavity formed by the oil tank back plate and the body back plate of the open body.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the multi-connecting rod press provided by the invention adopts a multi-connecting rod mechanism directly driven by a servo motor, the movement position and speed of a sliding block can be controlled in a program manner, an energy storage flywheel is eliminated, and a friction clutch brake of a transmission mechanism is not connected or disconnected; the torque is amplified through the multi-link mechanism, so that the requirement of the crankshaft on the servo motor can be reduced by about 35%, and the manufacturing cost is remarkably saved.
2. The multi-connecting-rod press provided by the invention adopts secondary gear transmission, the transmission ratio can be flexibly distributed, the selection range of a servo motor can be expanded, or the working speed region of the servo press is conveniently designed.
3. According to the multi-connecting-rod press machine provided by the invention, a traditional machine body design method is changed, the front plate of the oil tank of the machine body is made into a step shape and used as a brake installation space position, a brake with large torque can be accommodated, and the safety performance of the press machine is improved.
4. According to the multi-connecting-rod press provided by the invention, the sliding block is driven to move up and down through the rotation motion of the crankshaft, the rigidity of the whole press is not influenced by a force increasing mechanism, and compared with a servo press which adopts toggle rod force increasing, the rigidity of the whole press is obviously improved.
5. The multi-connecting rod press provided by the invention has the advantages that the clutch adopts the pneumatic friction clutch brake and is only used for braking the sliding block in an emergency braking or power-off state; the braking torque is larger than the maximum peak torque of the servo motor, so that the safety of the servo press is ensured; the ventilation state is in a disengagement state, the movement of the sliding block is directly controlled by a servo motor, and the movement of the servo motor is controlled by a program.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a multi-bar press according to the present invention;
FIG. 2 is a front view of a multi-link press of the present invention;
FIG. 3 is a left side view of the multi-link press of the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a cross-sectional view taken along B-B in FIG. 3;
FIG. 7 is a C-C cross-sectional view of FIG. 2;
FIG. 8 is a rear view of an open fuselage shell of the present invention;
FIG. 9 is a D-D sectional view of FIG. 8;
in the figure: 1-open machine body, 2-working platen, 3-slide block, 4-positioning key, 5-connecting rod, 6-crankshaft, 7-first copper sleeve, 8-eccentric sleeve, 9-third copper sleeve, 10-first gear, 11-second copper sleeve, 12-pair connecting rod, 13-adjustment gland, 14-fourth copper sleeve, 15-main connecting rod, 16-first pin shaft, 17-crankshaft gland, 18-crankshaft output shaft, 19-encoder, 20-air receiver, 21-small gland, 22-big gland, 23-third gear, 24-second gear, 25-fifth copper sleeve, 26-intermediate shaft, 27-flat key, 28-rear axle seat, 29-bearing seat, 30-tension sleeve, 31-servo motor, 32-fourth gear, 33-servo motor adjustment seat, 34-front axle seat, 35-rotary joint, 36-brake, 37-second pin shaft;
40-front frame plate, 41-back frame plate, 42-back frame plate, 43-front frame plate, 44-bottom frame plate, 45-front frame plate, 46-bottom frame plate, 47-fourth gear mounting hole, 48-gland mounting hole, 49-through hole, 50-eccentric sleeve positioning shoulder hole, 51-eccentric sleeve mounting plane, 52-eccentric sleeve positioning hole, 53-middle shaft mounting hole, 54-crankshaft mounting hole and 55-servo motor mounting seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a multi-connecting rod press machine, which solves the problems existing in the prior art.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The embodiment provides a multi-connecting-rod press, as shown in fig. 1-9, which comprises an open machine body 1, a working table plate 2 arranged at the head end of the open machine body 1 and a sliding block 3 arranged at the top of the working table plate 2, wherein a sliding rail is arranged on the open machine body 1, and the sliding block 3 is in sliding connection with the open machine body 1 through the sliding rail;
the sliding block 3 is connected with a crankshaft 6 through a connecting rod 5 arranged at the top of the sliding block, the crankshaft 6 is longitudinally arranged, the head end of the crankshaft 6 is rotationally connected with a front plate of the open machine body 1, and the tail end of the crankshaft 6 passes through an eccentric sleeve 8 to be rotationally connected with a rear plate 41 of an oil tank of the open machine body 1; the tail end of the crankshaft 6 is sleeved with a main connecting rod 15, the main connecting rod 15 is fixedly connected with the crankshaft 6 through a single key or double keys (not shown in the figure), the main connecting rod 15 is connected with a secondary connecting rod 12 through a first pin shaft 16, the secondary connecting rod 12 is connected with a first gear 10 sleeved outside an eccentric sleeve 8 through a second pin shaft 37, a second gear 24 is meshed with the bottom of the first gear 10, the second gear 24 is sleeved on an intermediate shaft 26, a third gear 23 rigidly connected with the second gear 24 is sleeved outside the second gear 24, a fourth gear 32 is meshed with the bottom of the third gear 23, a brake 36 is rigidly connected to the head end of a gear shaft of the fourth gear 32, the tail end of the gear shaft of the fourth gear 32 is rigidly connected with a power output shaft of a servo motor 31, and the servo motor 31 drives the fourth gear to rotate.
In this embodiment, a crankshaft mounting hole 54 is provided on the front plate 40 of the main body, and the head end of the crankshaft 6 is rotatably connected to the crankshaft mounting hole 54 through a bearing; the oil tank back plate 41 of the open machine body 1 is provided with a gland mounting hole 48 at a position opposite to the crankshaft mounting hole 54, a large gland 22 is fixed on the gland mounting hole 48, a small gland 21 is fixed on the central hole of the large gland 22, a crankshaft gland 17 is arranged on the end face of the tail end of the crankshaft 6 relative to the small gland 21, one end of a crankshaft output shaft 18 is fixedly connected with the crankshaft gland 17, the other end of the crankshaft output shaft 18 passes through the small gland 21 to be connected with an encoder 19, and the crankshaft output shaft 18 is rotationally connected with the small gland 21 through a bearing.
In this embodiment, as shown in fig. 9, a vertically arranged stepped oil tank plate is further disposed between the front frame plate 40 and the rear oil tank plate 41, and the oil tank plate includes a high-level oil tank front plate 43, a high-level oil tank bottom plate 44, a low-level oil tank front plate 45 and a low-level oil tank bottom plate 46, the high-level oil tank front plate 43 is located at the top of the low-level oil tank front plate 45, one end of the high-level oil tank bottom plate 44 is welded and fixed with the bottom of the high-level oil tank front plate 43, the other end is welded and fixed with the top of the low-level oil tank front plate 45, one end of the low-level oil tank bottom plate 46 is welded and fixed with the bottom of the low-level oil tank front plate 45, and the other end is welded and fixed with the bottom of the rear oil tank plate 41; the stepped oil tank plate is formed in the connection arrangement mode.
In this embodiment, the eccentric sleeve 8 is fixed to the top end of the front plate 43 of the high-level tank; specifically, a through hole 49 opposite to the installation hole of the crankshaft 6 is arranged on the high-level oil tank front plate 43, a raised eccentric sleeve installation plane 51 with an eccentric sleeve positioning shoulder hole 50 is arranged on the plate body of the high-level oil tank front plate 43 at the tail end of the through hole 49, a boss at the head end of the eccentric sleeve 8 is limited in the eccentric sleeve positioning shoulder hole 50, and the eccentric sleeve positioning shoulder hole 50 and the through hole 49 are concentric holes; the bottom of the eccentric sleeve mounting plane 51 is provided with an eccentric sleeve positioning hole 52, and the eccentric sleeve positioning hole 52 is fixedly connected with the mounting surface of the eccentric sleeve 8 through a positioning key 4; a first copper sleeve 7 is arranged between the crankshaft 6 and the through hole 49, and a second copper sleeve 11 is arranged between the crankshaft 6 and the inner hole of the eccentric sleeve 8; the outer circle and the inner circle of the eccentric sleeve 8 are non-concentric circles and are staggered by a distance L.
In this embodiment, the intermediate shaft 26 is mounted between the high-level tank front plate 43 and the tank rear plate 41; specifically, the bottom of the high-level tank front plate 43 and the tank rear plate 41 are provided with a middle shaft mounting hole 53, the head end of the middle shaft 26 is fixedly connected with the middle shaft mounting hole 53 on the high-level tank front plate 43, a rear shaft seat 28 is fixed on the middle shaft mounting hole 53 on the tank rear plate 41, and the tail end of the middle shaft 26 extends into the rear shaft seat 28 and is fixedly connected with the rear shaft seat 28 through a flat key 27.
In this embodiment, one end of the gear shaft of the fourth gear 32 is mounted on the lower tank front plate 45, and the other end of the gear shaft of the fourth gear 32 is mounted on the tank rear plate 41; specifically, a fourth gear mounting hole 47 is relatively arranged on the low-level oil tank front plate 45 and the oil tank rear plate 41, a gear shaft of the fourth gear 32 is rotationally connected with the fourth gear mounting hole 47 on the low-level oil tank front plate 45 through the front shaft seat 34, the gear shaft of the fourth gear 32 is rotationally connected with the fourth gear mounting hole 47 on the oil tank rear plate 41 through the bearing seat 29, the part of the gear shaft of the fourth gear 32 penetrating out of the front shaft seat 34 is connected with the brake 36, and the end part of the gear shaft of the fourth gear 32 penetrating out of the bearing seat 29 is connected with a power output shaft of the servo motor 31 through the tensioning sleeve 30; a rotary joint 35 is also fixed at the axial center of the head end of the gear shaft of the fourth gear 32.
In this embodiment, the servomotor 31 is mounted between the body back plate 42 and the tank back plate 41, and a servomotor mount 55 for fixing the servomotor 31 is fixed to the tank back plate 41, and the servomotor 31 is fixed to the servomotor mount 55 through the servomotor mount 33.
In this embodiment, the portion of the gear shaft of the fourth gear 32 passing through the front axle seat 34 is connected to the brake 36, so that the brake 36 is located in the cavity formed by the high-level tank bottom plate 44, the low-level tank front plate 45 and the slider 3.
In this embodiment, the first gear 10 is sleeved on the eccentric sleeve 8 through the third copper sleeve 9, and the tail end of the first gear 10 is axially limited on the eccentric sleeve 8 through an adjusting gland 13, and the adjusting gland 13 is used for sleeving the first gear 10 on the third copper sleeve 9 to rotate, so as to ensure a reasonable gap and prevent the first gear 10 from axially moving.
In this embodiment, a fourth copper sleeve 14 is fixed between the auxiliary connecting rod 12 and the first pin 16; a fifth copper sleeve 25 is arranged between the second gear 24 and the intermediate shaft 26.
In this embodiment, brake 36 is a pneumatic friction clutch brake; the top of the cavity formed by the oil tank back plate 41 and the body back plate 42 of the open body 1 is also provided with an air reservoir 20 for balancing the weight of the sliding block 3.
In the multi-connecting rod press provided by the invention, in a specific application process, the servo motor 31 is controlled by the servo driver to rotate or stop according to a control instruction, and the servo motor 31 is rigidly connected with the fourth gear 32 to directly reflect the rotation speed and the rotation position of the servo motor 31; when the fourth gear 32 rotates, compressed air enters the brake 36 through the rotary joint 35, so that the brake 36 is in a disengaged state, and the state of the transmission system is completely controlled by the servo motor 31. The fourth gear 32 is meshed with the third gear 23 to realize first-stage deceleration movement; the third gear 23 is rigidly connected with the second gear 24 to form a whole; the second gear 24 is meshed with the first gear 10 to realize a second-stage deceleration motion; the first gear 10 drives the auxiliary connecting rod 12 to move through the second pin shaft 37, and the auxiliary connecting rod 12 drives the main connecting rod 15 to move through the first pin shaft 16; the main connecting rod 15 drives the crankshaft 6 to rotate, so that the variable speed rotation of the crankshaft 6 is realized; the rotation of the crankshaft 6 drives the connecting rod 5 to move through the crank, and the connecting rod 5 drives the sliding block 3 to do linear reciprocating motion, so that various process requirements of the multi-connecting rod press machine are met.
When the numerical control system receives an emergency stop signal or the power supply is cut off, the compressed air entering the brake 36 through the rotary joint 35 is withdrawn, the brake 36 enters a braking state, the whole transmission system is in a locking state, and the movement of the sliding block 3 is stopped.
The principles and embodiments of the present invention have been described with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the invention.
Claims (2)
1. A multi-link press, characterized by: the automatic opening machine comprises an open machine body, a working table plate arranged at the head end of the open machine body and a sliding block arranged at the top of the working table plate, wherein a sliding rail is arranged on the open machine body, and the sliding block is in sliding connection with the open machine body through the sliding rail;
the sliding block is connected with a crankshaft through a connecting rod arranged at the top of the sliding block, the crankshaft is longitudinally arranged, the head end of the crankshaft is rotationally connected with a front plate of the open type machine body, and the tail end of the crankshaft penetrates through an eccentric sleeve to be rotationally connected with a rear plate of an oil tank of the open type machine body; the tail end of the crankshaft is sleeved with a main connecting rod, the main connecting rod is fixedly connected with the crankshaft, the main connecting rod is connected with a secondary connecting rod through a first pin shaft, the secondary connecting rod is connected with a first gear sleeved outside the eccentric sleeve through a second pin shaft, a second gear is meshed with the bottom of the first gear, the second gear is sleeved on an intermediate shaft, a third gear rigidly connected with the second gear is sleeved outside the second gear, a fourth gear is meshed with the bottom of the third gear, the head end of a gear shaft of the fourth gear is rigidly connected with a brake, the tail end of the gear shaft of the fourth gear is rigidly connected with a power output shaft of a servo motor, and the servo motor drives the fourth gear to rotate;
the front plate of the machine body is provided with a crankshaft mounting hole, and the head end of the crankshaft is rotationally connected in the crankshaft mounting hole through a bearing; a gland mounting hole is formed in the position, opposite to the crankshaft mounting hole, of the oil tank rear plate of the open type machine body, a large gland is fixed on the gland mounting hole, a small gland is fixed on the central hole of the large gland, a crankshaft gland is arranged on the end face, opposite to the small gland, of the tail end of the crankshaft, one end of a crankshaft output shaft is fixedly connected with the crankshaft gland, the other end of the crankshaft output shaft penetrates through the small gland to be connected with an encoder, and the crankshaft output shaft is in rotary connection with the small gland through a bearing;
the oil tank plate comprises a high-level oil tank front plate, a high-level oil tank bottom plate, a low-level oil tank front plate and a low-level oil tank bottom plate, wherein the high-level oil tank front plate is arranged at the top of the low-level oil tank front plate, one end of the bottom plate of the high-level oil tank is connected with the bottom of the front plate of the high-level oil tank, the other end of the bottom plate of the low-level oil tank is connected with the top of the front plate of the low-level oil tank, one end of the bottom plate of the low-level oil tank is connected with the bottom of the front plate of the low-level oil tank, and the other end of the bottom plate of the low-level oil tank is connected with the bottom of the rear plate of the oil tank;
the eccentric sleeve is fixed at the top tail end of the high-level oil tank front plate, the intermediate shaft is arranged between the high-level oil tank front plate and the oil tank rear plate, one end of a gear shaft of the fourth gear is arranged on the low-level oil tank front plate, and the other end of the gear shaft of the fourth gear is arranged on the oil tank rear plate;
the front plate of the high-level oil tank is provided with a through hole opposite to the crankshaft mounting hole, the plate body of the front plate of the high-level oil tank at the tail end of the through hole is provided with a raised eccentric sleeve mounting plane with an eccentric sleeve positioning shoulder hole, a boss at the head end of the eccentric sleeve is limited in the eccentric sleeve positioning shoulder hole, and the mounting surface of the eccentric sleeve is fixed on the eccentric sleeve mounting plane; a first copper sleeve is arranged between the crankshaft and the through hole, and a second copper sleeve is arranged between the crankshaft and the inner hole of the eccentric sleeve;
the bottom of the eccentric sleeve mounting plane is provided with an eccentric sleeve positioning hole, and the eccentric sleeve positioning hole is fixedly connected with the mounting surface of the eccentric sleeve through a positioning key;
the bottom of the front plate of the high-level oil tank and the rear plate of the oil tank are provided with intermediate shaft mounting holes relatively, the head end of the intermediate shaft is fixedly connected with the intermediate shaft mounting holes on the front plate of the high-level oil tank, a rear shaft seat is fixedly arranged on the intermediate shaft mounting holes on the rear plate of the oil tank, and the tail end of the intermediate shaft is fixedly connected with the rear shaft seat through a flat key;
a fourth gear mounting hole is formed in the front plate of the low-level oil tank and the rear plate of the oil tank in an opposite mode, a gear shaft of the fourth gear is rotatably connected with the fourth gear mounting hole in the front plate of the low-level oil tank through a front shaft seat, the gear shaft of the fourth gear is rotatably connected with the fourth gear mounting hole in the rear plate of the oil tank through a bearing seat, the part, penetrating out of the front shaft seat, of the gear shaft of the fourth gear is connected with the brake, and the end, penetrating out of the bearing seat, of the gear shaft of the fourth gear is connected with a power output shaft of the servo motor through a tensioning sleeve;
a rotary joint is also fixed at the axle center of the head end of the gear shaft of the fourth gear;
the first gear is sleeved on the eccentric sleeve through a third copper sleeve, and the tail end of the first gear is axially limited on the eccentric sleeve through an adjusting gland; a fourth copper sleeve is arranged between the auxiliary connecting rod and the first pin shaft; a fifth copper sleeve is arranged between the second gear and the intermediate shaft.
2. The multi-link press of claim 1, wherein: the brake is a pneumatic friction clutch brake, and an air cylinder is further arranged at the top of a cavity formed by the oil tank rear plate and the body backboard of the open body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579973.XA CN109334072B (en) | 2018-12-24 | 2018-12-24 | Multi-connecting rod press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579973.XA CN109334072B (en) | 2018-12-24 | 2018-12-24 | Multi-connecting rod press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334072A CN109334072A (en) | 2019-02-15 |
| CN109334072B true CN109334072B (en) | 2024-04-02 |
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| CN111015173B (en) * | 2019-12-25 | 2021-06-25 | 伊卡路斯(苏州)车辆系统有限公司 | Crimping tool for crimping hinged shed cloth and edge-covering section |
| CN112246997B (en) * | 2020-10-10 | 2024-04-05 | 常州今创风挡系统有限公司 | Quick continuous gun |
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| CN1621220A (en) * | 2003-11-28 | 2005-06-01 | 上海第二锻压机床厂 | Open type press with fixed bench |
| CN1958278A (en) * | 2006-10-19 | 2007-05-09 | 江苏省徐州锻压机床厂 | Power driven and braking equipment of pressing machine driven by servomotor directly |
| CN101323177A (en) * | 2007-06-14 | 2008-12-17 | 荣成金辰机械制造有限公司 | Sliding block driving mechanism of multiple slide rod press machine |
| CN203665980U (en) * | 2013-10-14 | 2014-06-25 | 扬州锻压机床股份有限公司 | Multi-connection-rod double-point press machine |
| CN104669657A (en) * | 2015-02-03 | 2015-06-03 | 宁波郎泰机械有限公司 | Press machine |
| CN209534235U (en) * | 2018-12-24 | 2019-10-25 | 浙江高精锻压股份有限公司 | A kind of multi-link lever press |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621220A (en) * | 2003-11-28 | 2005-06-01 | 上海第二锻压机床厂 | Open type press with fixed bench |
| CN1958278A (en) * | 2006-10-19 | 2007-05-09 | 江苏省徐州锻压机床厂 | Power driven and braking equipment of pressing machine driven by servomotor directly |
| CN101323177A (en) * | 2007-06-14 | 2008-12-17 | 荣成金辰机械制造有限公司 | Sliding block driving mechanism of multiple slide rod press machine |
| CN203665980U (en) * | 2013-10-14 | 2014-06-25 | 扬州锻压机床股份有限公司 | Multi-connection-rod double-point press machine |
| CN104669657A (en) * | 2015-02-03 | 2015-06-03 | 宁波郎泰机械有限公司 | Press machine |
| CN209534235U (en) * | 2018-12-24 | 2019-10-25 | 浙江高精锻压股份有限公司 | A kind of multi-link lever press |
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