CN223173641U - Precise bench press with rear-mounted liftable flywheel - Google Patents

Abstract

The utility model discloses a precise bench press with a rear-mounted liftable flywheel, which comprises a workbench, wherein a stand column is arranged on the workbench, an organism is slidably arranged on the outer surface of the stand column, the precise bench press is characterized in that a slider body is arranged on the front side of the organism, a connecting rod is arranged on the upper side of the slider body, the connecting rod is movably connected with the slider body through a ball screw, the flywheel is arranged at the rear side of the machine body, an eccentric shaft is arranged in the flywheel in a power connection manner, the eccentric shaft is longitudinally arranged in front of and behind the flywheel, a crank is arranged at the front side of the eccentric shaft, the flywheel is connected with the eccentric shaft in a power manner through a clutch after the flywheel is arranged behind the eccentric shaft, and the power combination or disconnection of the eccentric shaft and the flywheel is realized through the clutch; the layout mode of the traditional press is changed, the flywheel is transversely arranged and is changed into the rear flywheel, so that a large amount of operation space is saved, the risk of collision between an operator and the rotating flywheel is avoided, and the psychological pressure of the operator is reduced.

Description

Precise bench press with rear-mounted liftable flywheel

Technical Field

The utility model relates to the technical field of precision press equipment, in particular to a precision bench press with a rear-mounted liftable flywheel.

Background

The existing table press adopts the combination of a workbench, double upright posts and a machine body, realizes adjustable sealing height and is suitable for the installation of various dies with different heights. Is often used in the industries of electronics, automobiles, terminals, jewelry, lamps, bearings, zippers and the like, and can also shear, punch, bend and the like metal or nonmetal materials. The application is wide and related industry standards exist. The existing bench press has the defects that the flywheel and the crankshaft are horizontally arranged left and right, an operator performs centering operation, the flywheel is arranged on the right side and occupies a large space on the right side of the operating platform, the flywheel can be easily touched by the operator to be accidentally injured in the rotating process of the flywheel, and when the operator replaces the mold, the space occupied by the flywheel is inconvenient for the operator to install and replace the mold. There have been a great deal of research done.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a precise bench press with a rear-mounted liftable flywheel, which can solve the problems in the prior art.

The utility model is realized by the following technical scheme that the precise bench press with the rear-mounted and liftable flywheel comprises a workbench, wherein a stand column is arranged on the workbench, an engine body is arranged on the outer surface of the stand column in a sliding manner, the precise bench press is characterized in that a slider body is arranged on the front side of the engine body, a connecting rod is arranged on the upper side of the slider body, the connecting rod is movably connected with the slider body, the rear side of the engine body is provided with the flywheel, a crank eccentrically arranged with the front side of an eccentric shaft is arranged on the front side of the eccentric shaft, the front side of the eccentric shaft is longitudinally arranged on the front side of the eccentric shaft, the crank is in rotary fit connection with the connecting rod, and the eccentric shaft is in rotary fit connection with the engine body.

According to a further technical scheme, a clutch device is arranged between the flywheel and the eccentric shaft, and an operating lever device for interrupting power of the clutch device is arranged on the rear side of the machine body.

According to a further technical scheme, a cross beam is arranged at the top of the upright, an adjusting device for adjusting the height of the machine body is arranged between the machine body and the cross beam, a guide rail is further arranged on the front side of the machine body, the sliding block body is in up-down sliding fit with the guide rail, and a power device for driving the flywheel to rotate is arranged on the rear side of the machine body.

Further technical scheme, adjusting device including the activity set up in the lift nut seat in the crossbeam, the interior threaded connection of lift nut seat is provided with the lift screw, the lift screw is fixed in the organism upside.

According to a further technical scheme, a ball screw is arranged in the connecting rod, and the bottom of the ball screw is movably connected with the sliding block body.

According to a further technical scheme, a threaded hole is formed in the connecting rod, a ball screw is arranged in the threaded hole in a threaded fit connection mode, a ball is arranged at the bottom of the ball screw, and a spherical device movably connected with the ball screw is arranged in the sliding block body.

Further technical scheme, spherical device including set up in the internal ball bowl of slider, ball bowl upside is provided with spherical apron, the internal screw-thread fit connection of slider is provided with third lock nut, be provided with first ball chamber in the ball bowl, be provided with the second ball chamber in the spherical apron, second ball chamber and first ball chamber with the bulb rotates to be connected, third lock nut will spherical apron offset is fixed in ball bowl upside.

According to a further technical scheme, the power device comprises a motor arranged on the rear side of the machine body, a motor rotating wheel is arranged on one side of the motor in a power connection mode, a belt is wound on the outer surfaces of the flywheel and the motor rotating wheel, and the belt is used for connecting the flywheel and the motor rotating wheel in a power connection mode.

Further technical scheme, clutch device includes the overrunning clutch, the overrunning clutch including set up in the key piece of eccentric shaft surface, the eccentric shaft surface still is provided with axle sleeve and hexagonal cam, axle sleeve and hexagonal cam pass through the key piece with eccentric shaft fixed connection sets up, the hexagonal cam outside still is provided with shaft coupling and clutch housing, the shaft coupling rear side is provided with a plurality of shaft coupling shift forks, be provided with the roller between the shaft coupling shift fork, clutch housing pivoted set up in shaft coupling shift fork and roller surface, the clutch housing with flywheel fixed fit connects, elastic connection has the extension spring subassembly between shaft sleeve and the shaft coupling, be provided with the roller subassembly between clutch housing, shaft coupling shift fork and the hexagonal cam.

Further technical scheme, the operating lever device including set up in the handle axle of organism rear side, handle axle surface pivoted is provided with the separation and reunion handle organism, separation and reunion handle organism one side is provided with the separation and reunion handle body, separation and reunion handle organism one side is provided with the dog.

The utility model has the advantages that firstly, the flywheel is arranged at the rear, then the flywheel is in power connection with the eccentric shaft through the overrunning clutch, and then the clutch handle body extends out from the right side, so that after the operation of personnel is facilitated, the power combination or disconnection of the eccentric shaft and the flywheel is realized through the overrunning clutch, the structural layout of the traditional table press is avoided, a large amount of operation space occupied by the flywheel is saved, the damage caused by the fact that the personnel touches the flywheel by mistake is greatly reduced, and the aesthetic degree of the machine body and the safety of the operators are increased.

2. Through with the lifting nut seat activity set up in the movable hole, through fixing lifting screw on the organism, make personnel can rotate lifting nut seat adjusts the height of organism, and second lock nut also can play will lifting screw thread fit connect in lifting nut seat bottom offsets, spacing effect.

3. The layout mode of the traditional press is changed, the flywheel is transversely arranged and is changed into the rear flywheel, so that a large amount of operation space is saved, the risk of collision between an operator and the rotating flywheel is avoided, and the psychological pressure of the operator is reduced.

Drawings

For ease of illustration, the utility model is described in detail by the following specific examples and figures.

FIG. 1 is a schematic diagram of the whole structure of a precision bench press with a rear-mounted liftable flywheel;

FIG. 2 is a schematic view of the right side structure of FIG. 1;

FIG. 3 is a schematic view of the rear side structure of the apparatus of FIG. 1;

FIG. 4 is a schematic diagram of FIG. 3 at A;

FIG. 5 is a schematic view of the apparatus of FIG. 4 in cross-section;

FIG. 6 is a schematic diagram at B in FIG. 5;

FIG. 7 is a schematic diagram at C in FIG. 6;

FIG. 8 is a schematic diagram at D in FIG. 6;

FIG. 9 is a schematic diagram of the apparatus of FIG. 2 in a cut-away configuration;

FIG. 10 is a schematic diagram at E in FIG. 9;

FIG. 11 is a schematic diagram of FIG. 10 at F;

In the drawing, a column 11, a slider body 12, a ball screw 13, a link 14, a lifting screw 15, a cross beam 16, a motor 18, a motor seat plate 19, a machine body 21, a guide rail 23, a table 24, a flywheel 25, a motor wheel 26, a belt 27, an eccentric shaft 31, a shaft sleeve 32, a coupling 33, a clutch housing 37, a brake bushing 38, a crank 41, a threaded hole 42, a mating inclined surface 43, a first lock nut 44, an installation groove 45, a second ball cavity 51, a ball 52, a first ball cavity 53, a ball bowl 54, a ball cover 55, a third lock nut 56, a tapered cavity 57, a lifting nut seat 61, a movable hole 62, a second lock nut 63, a handle shaft 71, a clutch handle body 72, a clutch handle body 73, a stopper 74, a pressing post 75, a connection block 76, a coupling fork 81, a key block 82, a hexagonal cam 83, a roller 84, a first set screw 91, and a second set screw 92.

Detailed Description

For convenience of description, the following orientation will be defined as the vertical, horizontal, front, rear directions which will be described later are identical to the vertical, horizontal, front, rear directions of the projection relationship of FIG. 1 itself, as shown in FIGS. 1-11.

The first embodiment is a precise bench press with a rear-mounted liftable flywheel, which comprises a workbench 24, wherein a stand column 11 is arranged on the workbench 24, a cross beam 16 is arranged at the top of the stand column 11, an engine body 21 is arranged on the outer surface of the stand column 11 in a sliding mode, an adjusting device for adjusting the height of the engine body 21 is arranged between the engine body 21 and the cross beam 16, a sliding block body 12 which moves up and down is arranged on the front side of the engine body 21, a connecting rod 14 is arranged on the upper side of the sliding block body 12, the connecting rod 14 is movably connected with the sliding block body 12, a flywheel 25 is arranged on the rear side of the engine body 21, an eccentric shaft 31 is arranged in the flywheel 25 in a power connection mode, a crank 41 which is eccentrically arranged with the eccentric shaft 31 is connected with the connecting rod 14 in a running fit mode, the eccentric shaft 31 is connected with the engine body 21 in a running fit mode, a guiding device for guiding the sliding block body 12 is further arranged on the front side of the engine body 21, and the up and down reciprocating movement of the sliding block body 12 is realized through cam type movement, and a power device for driving the flywheel 25 to rotate is arranged on the rear side of the engine body 21.

Advantageously, the slider body 12 is provided with a mounting groove 45, the mounting groove 45 being used for mounting the stamping die, the table 24 also being provided with a T-shaped groove with which the bottom die is mounted.

Advantageously, the adjusting device comprises a lifting nut seat 61 movably arranged in the cross beam 16, the lifting nut seat 61 is provided with a lifting screw 15 in threaded fit connection, the lifting screw 15 is fixed on the upper side of the machine body 21, and the lifting screw 15 can be telescopically adjusted in the lifting nut seat 61 by rotating the lifting nut seat 61.

Advantageously, the second locking nut 63 is disposed on the outer surface of the lifting screw 15 in a threaded fit connection, and the second locking nut 63 abuts against the lifting nut seat 61, so as to limit the lifting screw 15.

The connecting rod 14 is internally provided with a ball screw 13, and the bottom of the ball screw 13 is movably connected with the slider body 12.

Advantageously, the connecting rod 14 is internally provided with a threaded hole 42, the threaded hole 42 is internally provided with a ball screw 13 in a threaded fit connection, the bottom of the ball screw 13 is provided with a ball 52, and the slider body 12 is internally provided with a spherical device movably connected with the ball 52.

Advantageously, the spherical device comprises a spherical bowl 54 arranged in the slider body 12, a spherical cover plate 55 is arranged on the upper side of the spherical bowl 54, a third locking nut 56 is arranged in the slider body 12 in a threaded fit connection manner, a first spherical cavity 53 is arranged in the spherical bowl 54, a second spherical cavity 51 is arranged in the spherical cover plate 55, the second spherical cavity 51 and the first spherical cavity 53 form a spherical structure for accommodating the rotation of the spherical head 52, and the spherical cover plate 55 is abutted against and fixed on the upper side of the spherical bowl 54 by the third locking nut 56.

Advantageously, a conical cavity 57 is provided in the third lock nut 56, and a mating inclined surface 43 is provided on the outer surface of the bottom of the ball screw 13, the mating inclined surface 43 being movable in the conical cavity 57.

Advantageously, the guiding means comprise a guide rail 23 arranged on the front side of the body 21, the slider body 12 being in sliding engagement with the guide rail 23 up and down.

The power device comprises a flywheel 25 in power connection with an eccentric shaft 31, a motor 18 is arranged at the rear side of the machine body 21, a motor runner 26 is arranged at one side of the motor 18 in power connection, a belt 27 is wound on the outer surfaces of the flywheel 25 and the motor runner 26, and the belt 27 is used for connecting the flywheel 25 and the motor runner 26 in power.

Advantageously, wherein the housing 21 is provided on one side with a motor seat plate 19, the motor 18 is mounted on the motor seat plate 19.

Advantageously, the rear side of the machine body 21 is provided with a brake bushing 38, the brake bushing 38 being arranged around the eccentric shaft 31, the brake bushing 38 being of prior art, the brake bushing 38 being against the side of the shaft sleeve 32.

In the second embodiment, the clutch device and the lever device are further included, the clutch is mounted between the eccentric shaft 31 and the flywheel 25, the lever device is mounted at the rear side of the machine body 21, and the overrunning clutch is made to abut against by the lever device, so that the function of interrupting the power of the flywheel 25 to the eccentric shaft 31 is realized.

The clutch device comprises a super-key clutch, a rotary-key clutch and the like, the overrunning clutch comprises a key block 82 arranged on the outer surface of the eccentric shaft 31, the outer surface of the eccentric shaft 31 is further provided with a shaft sleeve 32 and a hexagonal cam 83, the shaft sleeve 32 and the hexagonal cam 83 are fixedly connected with the eccentric shaft 31 through the key block 82, the outer side of the hexagonal cam 83 is further provided with a shaft coupling 33 and a clutch outer sleeve 37, the rear side of the shaft coupling 33 is provided with a plurality of shaft coupling shifting forks 81, rollers 84 are arranged between the shaft coupling shifting forks 81, the clutch outer sleeve 37 is rotatably arranged on the outer surfaces of the shaft coupling shifting forks 81 and the rollers 84, the clutch outer sleeve 37 is fixedly connected with the flywheel 25 in a matched mode, a tension spring component is elastically connected between the shaft sleeve 32 and the shaft coupling 33, and a roller component is arranged between the shaft coupling outer sleeve 37, the shaft coupling shifting forks 81 and the hexagonal cam 83.

Advantageously, the tension spring assembly comprises a second set screw 92 arranged on one side of the coupling 33 and a first set screw 91 arranged on one side of the sleeve 32, a tension spring being elastically connected between the first set screw 91 and the second set screw 92, the tension spring bypassing the left side of the device.

Advantageously, the roller assembly includes a plurality of coupling forks 81 disposed at the rear side of the coupling 33, rollers 84 are disposed between the coupling forks 81, the rollers 84 are disposed inside the clutch housing 37 and between the outer surfaces of the hexagonal cams 83, the hexagonal cams 83 are in a hexagonal structure, when the shaft sleeve 32 is abutted against the stop 74, the clutch housing 37 rotates around the coupling forks 81 and the rollers 84, and at this time, the power of the flywheel 25 cannot be transmitted through the clutch housing 37, when the stop 74 is disengaged from the coupling 33, the coupling forks 33 and the hexagonal cams 83 generate relative motion due to the action of the tension springs, so that the coupling forks 81 and the hexagonal cams 83 push and squeeze the rollers 84, and the rollers 84 are abutted against one side of the clutch housing 37, so that the clutch housing 37 can transmit the power to the hexagonal cams 83, the coupling forks 81, the coupling forks 33 and the shaft sleeve 32, and the eccentric shaft 31, and the crank 41, the connecting rod 14, the screw 13 and the block 12 can be driven to periodically move up and down by the eccentric shaft 31, thereby realizing the stamping process.

Advantageously, the lever device includes a handle shaft 71 disposed at the rear side of the body 21, a clutch handle body 73 rotatably disposed on the outer surface of the handle shaft 71, a clutch handle body 72 disposed on one side of the clutch handle body 73, and a stopper 74 disposed on one side of the clutch handle body 73, wherein after the clutch handle body 72 is held by a person, the clutch handle body 73 and the stopper 74 rotate around the handle shaft 71, and the stopper 74 abuts against the shaft sleeve 32 to limit rotation thereof.

Advantageously, a connecting block 76 is arranged on one side of the body 21, a pressing column 75 is arranged on the lower side of the clutch handle body 73, a spring is elastically arranged between the pressing column 75 and the connecting block 76, and the spring elastically pushes the clutch handle body 72 and the clutch handle body 73 upwards, so that the stop block 74 is kept in abutting joint with the coupling 33.

The table press is capable of facilitating the operation of a person by arranging the operation lever device to be perpendicular to the eccentric shaft 31 and to be provided with the right side or the left side by rearing the flywheel 25 and then transmitting power by arranging the eccentric shaft 31 back and forth, and the flywheel 25 is capable of avoiding danger caused by touching when the person operates the operation.

Through installing stamping die in the mounting groove 45 in the slider body 12, utilize motor 18 work back drive motor runner 26 to rotate, make flywheel 25 rotate under the effect of belt 27, because flywheel 25 rotates the back and can drive eccentric shaft 31 through overrunning clutch and rotate, then just make eccentric shaft 31 carry out continuous gyration motion, under the effect that crank 41 and connecting rod 14 normal running fit are connected, drive bulb screw 13 and slider body 12 and carry out periodic reciprocating, realize the stamping function.

The connecting rod 14 and the ball head screw 13 swing left and right in the moving process, namely the matching inclined plane 43 swings back and forth in the conical cavity 57, and as the third locking nut 56 is in threaded matching connection with the slider body 12, the second ball cavity 51 and the first ball cavity 53 form a structure for limiting the ball head 52, and the slider body 12 can be driven to move up and down through the matching inclined plane 43 and the ball head 52 by the third locking nut 56, the spherical cover plate 55 and the spherical bowl 54.

After the first lock nut 44 is turned, the ball screw 13 is in threaded fit connection with the threaded hole 42, and the ball 52 is spherical, so that the ball screw 13 can be adjusted up and down relative to the connecting rod 14 after rotating in the threaded hole 42, and the slider body 12 can be adjusted up and down to be close to the bottom die after being provided with the stamping die.

The lifting nut seat 61 is movably disposed in the movable hole 62, and the lifting nut seat 61 is in threaded engagement with the lifting screw 15, so that the lifting screw 15 can be moved up and down in the lifting nut seat 61 after the lifting nut seat 61 is rotated, thereby moving the whole machine body 21 up and down.

The person presses the clutch handle body 72 downwards to enable the pressing column 75 to elastically press the spring between the pressing column and the connecting block 76, so that the stop block 74 is separated from and clamped with the coupling 33, and the power of the flywheel 25 can be transmitted to the eccentric shaft 31 through the overrunning clutch, so that the eccentric shaft 31 continuously rotates.

The above is only a specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any changes or substitutions that do not undergo the inventive work should be covered in the protection scope of the present utility model, and therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (10)

1. The utility model provides a flywheel post-positioned liftable accurate desk-top press, includes workstation (24), be provided with stand (11) on workstation (24), stand (11) surface gliding are provided with organism (21), its characterized in that, organism (21) front side is provided with slider body (12), slider body (12) upside is provided with connecting rod (14), connecting rod (14) with slider body (12) swing joint, organism (21) rear side is provided with flywheel (25), be provided with eccentric shaft (31) in flywheel (25), the eccentric shaft (31) are vertically arranged around, eccentric shaft (31) front side is provided with crank (41) with it eccentric arrangement, crank (41) with connecting rod (14) normal running fit is connected, eccentric shaft (31) with organism (21) normal running fit is connected.

2. The precise bench press with the rear-mounted liftable flywheel according to claim 1, wherein a clutch device is arranged between the flywheel (25) and the eccentric shaft (31), and an operating lever device for interrupting power of the clutch device is arranged at the rear side of the machine body (21).

3. The precise bench press with the rear-mounted liftable flywheel of claim 1, wherein a cross beam (16) is arranged at the top of the upright post (11), an adjusting device for adjusting the height of the machine body (21) is arranged between the machine body (21) and the cross beam (16), a guide rail (23) is further arranged at the front side of the machine body (21), the sliding block body (12) is in up-down sliding fit with the guide rail (23), and a power device for driving the flywheel (25) to rotate is arranged at the rear side of the machine body (21).

4. The precise bench press with the rear-mounted liftable flywheel of claim 3, wherein the adjusting device comprises a lifting nut seat (61) movably arranged in the cross beam (16), the lifting nut seat (61) is internally provided with a lifting screw (15) in a threaded fit connection, and the lifting screw (15) is fixed on the upper side of the machine body (21).

5. The precise bench press with the rear-mounted liftable flywheel of claim 1, wherein the connecting rod (14) is internally provided with a ball screw (13), and the bottom of the ball screw (13) is movably connected with the slider body (12).

6. The precise bench press with the rear-mounted liftable flywheel of claim 5, wherein the connecting rod (14) is internally provided with a threaded hole (42), a ball screw (13) is arranged in the threaded hole (42) in a threaded fit connection manner, a ball (52) is arranged at the bottom of the ball screw (13), and a spherical device movably connected with the ball screw (13) is arranged in the slider body (12).

7. The precise bench press with the rear-mounted liftable flywheel of claim 6, wherein the spherical device comprises a spherical bowl (54) arranged in the sliding block body (12), a spherical cover plate (55) is arranged on the upper side of the spherical bowl (54), a third locking nut (56) is arranged in the sliding block body (12) in a threaded fit connection mode, a first spherical cavity (53) is arranged in the spherical bowl (54), a second spherical cavity (51) is arranged in the spherical cover plate (55), the second spherical cavity (51) and the first spherical cavity (53) are rotationally connected with the spherical head (52), and the third locking nut (56) enables the spherical cover plate (55) to be abutted against and fixed on the upper side of the spherical bowl (54).

8. A precise bench press with a rear-mounted liftable flywheel as claimed in claim 3, wherein the power device comprises a motor (18) arranged at the rear side of the machine body (21), a motor rotating wheel (26) is arranged at one side of the motor (18) in a power connection manner, a belt (27) is wound on the outer surfaces of the flywheel (25) and the motor rotating wheel (26), and the belt (27) is used for dynamically connecting the flywheel (25) and the motor rotating wheel (26).

9. The precise bench press with the rear-mounted liftable flywheel according to any of claims 2-8, wherein the clutch device comprises an overrunning clutch, the overrunning clutch comprises a key block (82) arranged on the outer surface of the eccentric shaft (31), a shaft sleeve (32) and a hexagonal cam (83) are further arranged on the outer surface of the eccentric shaft (31), the shaft sleeve (32) and the hexagonal cam (83) are fixedly connected with the eccentric shaft (31) through the key block (82), a shaft coupling (33) and a clutch outer sleeve (37) are further arranged on the outer side of the hexagonal cam (83), a plurality of shaft coupling shifting forks (81) are arranged on the rear side of the shaft coupling (33), rollers (84) are arranged between the shaft coupling shifting forks (81), the clutch outer sleeve (37) is rotatably arranged on the outer surfaces of the shaft coupling shifting forks (81) and the rollers (84), the clutch outer sleeve (37) is fixedly connected with the flywheel (25) in a matched mode, and a shaft coupling assembly is elastically connected between the shaft sleeve (32) and the shaft coupling (33).

10. The precise bench press with the rear-mounted liftable flywheel according to any of claims 2-8, wherein the operating lever device comprises a handle shaft (71) arranged at the rear side of the machine body (21), a clutch handle machine body (73) is rotatably arranged on the outer surface of the handle shaft (71), a clutch handle body (72) is arranged on one side of the clutch handle machine body (73), and a stop block (74) is arranged on one side of the clutch handle machine body (73).