CN109454912A - A kind of lever punch - Google Patents
A kind of lever punch Download PDFInfo
- Publication number
- CN109454912A CN109454912A CN201811518807.9A CN201811518807A CN109454912A CN 109454912 A CN109454912 A CN 109454912A CN 201811518807 A CN201811518807 A CN 201811518807A CN 109454912 A CN109454912 A CN 109454912A
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- CN
- China
- Prior art keywords
- connecting rod
- drive
- lever
- shaft
- connect
- Prior art date
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Classifications
-
- 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
- B30B1/02—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 lever mechanism
- B30B1/06—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 lever mechanism operated by cams, eccentrics, or cranks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of lever punch, including lathe bed, workbench, crankshaft, first connecting rod, lever mechanism, second connecting rod, the electric machine assemblies of sliding block and driving crankshaft rotation；The crank rotation is connected to the upper end of the lathe bed, and the first connecting rod is rotatably set on the crankshaft；One end of the swing arm of the lever mechanism and the first connecting rod are rotatablely connected, and the upper end of the other end and the second connecting rod is rotatablely connected；The sliding block is fixedly connected on the bottom of the second connecting rod.Regulating mechanism adjusts the height of the fulcrum of the lever mechanism, or the first connecting rod is adjusted at a distance from the axle center that the axle center that the crankshaft connects is connect to the first connecting rod with the swing arm, or adjust the second connecting rod bottom and connect the distance between axle center with the swing arm to the second connecting rod.
Description
Technical field
The present invention relates to punching machine technical fields, more particularly, to a kind of accurate lever accurate punching machine.
Background technique
Existing punching machine is designed as directlying adopt crankshaft or eccentric gear to drive slide block movement, and this driving method needs
Biggish driving force can be only achieved punching press purpose, and it is more to expend electricity.
Chinese patent " 201610075621 accurate lever punch bed " discloses a kind of lever punch bed, uses
Mode of the eccentric block in conjunction with swing arm drives sliding block, saving electric energy small to power demand under same impact force；The arm shaft of swing arm
Close to kinematic link side, lever is formed, biggish output power is can be obtained under smaller input power effect, further saves
Power consumption.
But at work due to press machine, due to factors such as assembly precision, inertia, temperature humidities, lead to punching press
When, the bottom dead centre repetitive positioning accuracy of sliding block is lower, is unable to satisfy the punching press requirement of high precision part.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of lever punches.
Technical scheme is as follows:
A kind of lever punch, including lathe bed, workbench, crankshaft, first connecting rod, lever mechanism, second connecting rod, sliding block and
Drive the electric machine assembly of crankshaft rotation；The crank rotation is connected to the upper end of the lathe bed, and the first connecting rod is rotatably
It is set on the crankshaft；One end of the swing arm of the lever mechanism and the first connecting rod are rotatablely connected, the other end with it is described
The upper end of second connecting rod is rotatablely connected；The sliding block is fixedly connected on the bottom of the second connecting rod；The electric machine assembly driving
The crankshaft rotation, by the first connecting rod, pushes the swing arm of the lever mechanism to swing, makes the second connecting rod described in
The pilot hole of lathe bed moves up and down.Regulating mechanism adjusts the height of the fulcrum of the lever mechanism, or adjusts the first connecting rod
At a distance from the axle center that the axle center of crankshaft connection is connect to the first connecting rod with the swing arm, or adjusts described second and connect
Bar bottom connect the distance between axle center with the swing arm to the second connecting rod.
Preferably, the support shaft of the lever mechanism and the lathe bed are rotatablely connected；The regulating mechanism includes being set to institute
It states the flange part in support shaft and drives the rotating mechanism of the support shaft rotation；The flange part and the support shaft are in bias
Shape, the swing arm are rotatably sleeved on the flange part.
Preferably, the rotating mechanism include first motor, the driving wheel on the output shaft that the first motor is set,
With the driven wheel of described support shaft one end key connection and connect the synchronous belt of the driving wheel Yu the driven wheel；First electricity
Machine is fixed at the upper end of the lathe bed.
Preferably, one end of the swing arm of the lever mechanism is extended with two blocks of side plates being parallel to each other, and drive-connecting shaft is pivotally connected institute
State the lower end of swing arm Yu the first connecting rod；The both ends of the drive-connecting shaft respectively correspond the side plate rotation connection；The adjusting
Mechanism includes the flange part being set on the drive-connecting shaft and the rotating mechanism for driving the drive-connecting shaft rotation；The flange part with
The drive-connecting shaft is in eccentric shape, and the lower end of the first connecting rod is rotatably sleeved on the flange part.
Preferably, the other end of the swing arm of the lever mechanism is extended with two blocks of side plates being parallel to each other, drive-connecting shaft pivot joint
The upper end of the swing arm and the second connecting rod；The both ends of the drive-connecting shaft respectively correspond the side plate rotation connection；The tune
Section mechanism includes the flange part being set on the drive-connecting shaft and the rotating mechanism for driving the drive-connecting shaft rotation；The flange part
It is in eccentric shape with the drive-connecting shaft, the upper end of the second connecting rod is rotatably sleeved on the flange part.
Preferably, the rotating mechanism includes to include worm gear, worm screw, mounting base and power mechanism；The worm gear setting exists
One end of the drive-connecting shaft, the mounting base are installed in the outside of a side plate, and the worm screw is rotatably connected on the installation
On seat, the worm gear is engaged with the worm screw；The power mechanism drives the worm screw rotation, rotates the drive-connecting shaft.
Preferably, the power mechanism includes flexible driving member, input shaft and electric machine assembly；The one of the flexible driving member
End is keyed with the worm screw, and the other end and the input shaft are keyed, and the input shaft is rotatably arranged on the one of the lathe bed
One end of side wall, the input shaft is connect with electric machine assembly.
Preferably, the electric machine assembly includes including driven wheel, driving wheel, first motor and synchronous belt；The driven wheel
It is keyed with the input shaft；The driving wheel is arranged on the output shaft of the first motor, described in the synchronous band connection
Driving wheel and the driven wheel；The first motor is fixed in the one side wall of the lathe bed.
Preferably, the adjustment amount of the bottom dead center of slider is in 0.01-0.5mm.
Preferably, the electric machine assembly includes the second motor that the lathe bed upper end is arranged in, and setting is in second electricity
The second driving wheel on the output shaft of machine, with described crankshaft one end key connection clutch and connect clutch with it is described second lead
The transmission belt of driving wheel.
Compared with prior art, the invention has the following advantages that
In actual use, it according to required lower dead point position, controls the regulating mechanism and drives the support shaft or institute
Drive-connecting shaft rotation is stated, the height of the fulcrum of the lever mechanism is adjusted, or adjusts what the first connecting rod was connect with the crankshaft
Axle center at a distance from the axle center that the swing arm connects, or adjusts the second connecting rod bottom to described second to the first connecting rod
Connecting rod connect the distance between axle center with the swing arm, to obtain the accurate lower dead point position of sliding block.It will be under the sliding block
Micro- mend in dead point arrives ideal position, meets the punching press requirement of high precision part.
Detailed description of the invention
Fig. 1 is punching machine structure schematic diagram of the invention.
Fig. 2 is one A-A cross-sectional view of the present embodiment.
Fig. 3 is the lever mechanism schematic diagram in the present embodiment one.
Fig. 4 is the structural schematic diagram of support shaft in the present embodiment one.
Fig. 5 is two A-A cross-sectional view of the present embodiment.
Fig. 6 is the structural schematic diagram of drive-connecting shaft in the present embodiment two and embodiment three.
Fig. 7 is the enlarged drawing in Fig. 5 at C.
Fig. 8 is the cross-sectional view of Fig. 7.
Fig. 9 is lever mechanism schematic diagram in the present embodiment two.
Figure 10 is the cross-sectional view of three A-A of the present embodiment.
Figure 11 is the enlarged drawing in Figure 10 at B.
Figure 12 is the cross-sectional view of Figure 11.
Figure 13 is the structural schematic diagram of lever mechanism in the present embodiment three.
Specific embodiment
Embodiment one
Referring to Fig.1 and 2, a kind of lever punch, including lathe bed 1, workbench 2, crankshaft 3, first connecting rod 4, lever
Mechanism 8, second connecting rod 5, the electric machine assembly 7 of sliding block 6 and driving crankshaft rotation；The lever mechanism 8 is arranged on the lathe bed 1
In the cavity at end.
The crankshaft 3 is rotatably connected on the two sidewalls of the cavity.Specifically, the both ends of the crankshaft 3 and the side wall
Bearing connection.The first connecting rod 4 is rotatably set on the crankshaft 3, specifically, the upper end of the first connecting rod 4 with
3 bearing of the crankshaft connection.One end of the swing arm 81 of the lever mechanism 8 and the first connecting rod 4 are rotatablely connected, the other end with
The upper end of the second connecting rod 5 is rotatablely connected.The lower wall of the cavity is provided with pilot hole, and the lower end of the second connecting rod 5 is sliding
It is dynamic to be arranged in the pilot hole；The sliding block 6 is fixedly connected on the bottom of the second connecting rod 5；The sliding block 6 is arranged in institute
State the top of workbench 2.
The electric machine assembly 7 drives the crankshaft 3 to rotate, and by the first connecting rod 4, pushes the lever mechanism 8
Swing arm 81 is swung, and the second connecting rod 5 is made to move up and down along the pilot hole of the lathe bed 1.
Fig. 1 and Fig. 4 are please referred to, regulating mechanism 9 adjusts the height of the fulcrum of the lever mechanism 8.The lever mechanism 8
The two sidewalls of support shaft 82 and the cavity are rotatablely connected, and specifically, 82 both ends of support shaft are connect with the side wall bearing,
Wherein the side wall is run through in one end.The regulating mechanism 9 includes described in flange part 91 and driving in the support shaft 82
The rotating mechanism that support shaft 82 rotates；The flange part 91 and the support shaft 82 are in eccentric shape, and the swing arm 81 is rotationally
It is set on the flange part 91.
Referring to figure 3., the rotating mechanism includes first motor 11, driving wheel 12, driven wheel 13 and synchronous belt 14.It is described
Driving wheel 12 and the output shaft of the first motor 11 are keyed, and the driven wheel 13 and one end key of the support shaft 82 connect
It connects.The synchronous belt 14 connects the driving wheel 12 and the driven wheel 13.The first motor 11 is fixed at the chamber
The upper end of body.
The first motor 11 drives the driving wheel 12 to rotate, and the driven wheel 13 is driven to rotate, thus described in driving
Support shaft 82 rotates, the swing arm 81 up and down adjustment with the rotation of the support shaft 82, so that the position of 6 minimum point of the sliding block
It sets and small variation occurs.
The adjustment amount of 6 bottom dead centre of sliding block is in 0.01-0.5mm.
The electric machine assembly 7 includes the second motor 71 that 1 upper end of lathe bed is arranged in, and is arranged in second motor 71
Output shaft on the second driving wheel 72, and the clutch 74 of described 3 one end of crankshaft key connection and connect clutch and described the
The transmission belt 73 of two driving wheels.
Embodiment two
Referring to figure 5. and Fig. 6, the present embodiment is based on embodiment one, the difference of the present embodiment and embodiment one
It is, the both ends of the support shaft 82 of lever mechanism 8 described in the present embodiment are connect with the two sidewalls of the cavity, the swing arm 81
It is rotatablely connected with the support shaft 82.
The regulating mechanism 9 adjust axle center that the first connecting rod 4 is connect with the crankshaft 3 to the first connecting rod 4 with
The distance in the axle center that the swing arm 81 connects.
One end of the swing arm 81 of the lever mechanism 8 is extended with two blocks of first side plates 83 being parallel to each other, 84 pivot of drive-connecting shaft
Connect the lower end of the swing arm 81 and the first connecting rod 4；The both ends of the drive-connecting shaft 84 respectively correspond 83 turns of first side plate
Dynamic connection；Second flange part 92 is set on the drive-connecting shaft 84, second flange part 92 is in eccentric shape with the drive-connecting shaft 84,
The lower end of the first connecting rod 4 is rotatably sleeved on second flange part 92；The regulating mechanism 9 is to drive the pivot
The Telescopic rotating driving mechanism that spindle 84 rotates.
Fig. 7 and Fig. 8 are please referred to, the Telescopic rotating driving mechanism includes worm gear 21, worm screw 22, mounting base 23, flexible biography
Moving part 24, input shaft 25 and the second electric machine assembly；One end of the drive-connecting shaft 84 is arranged in the worm gear 21, specifically, described
Worm gear 21 and the drive-connecting shaft 84 are keyed.The mounting base 23 is installed in the outside of first side plate 83, the worm screw
22 are rotatably connected in the mounting base 23, and the worm gear 21 is engaged with the worm screw 22；One end of the flexible driving member 24
It is connect with the worm screw 22, the other end is connect with the input shaft 25, and the one side wall of the input shaft 25 and the lathe bed 1 rotates
Connection.Specifically, the input shaft 25 is connect with the one side wall bearing of the cavity.The input shaft 25 and second motor
Component connection.The second electric machine assembly driving flexible driving member 24 rotates, so that the worm screw 22 drives the worm gear
21 rotations, rotate the drive-connecting shaft 84.The side of the worm gear 21 is provided with gland, and the gland limit connects the worm gear
21 with the connecting key of the drive-connecting shaft 84.
Specifically, it being provided with clearance position in the middle part of the mounting base 23, the both ends of the clearance position have upwardly extended fixing seat,
The mounting base 23 is fixedly connected on the outside of first side plate 83 by fixing seat.The both ends of the installation 23 are provided with
Mounting hole is provided with bearing in the mounting hole, and the both ends of the worm screw 21 are connect with the inner ring close-fitting of the bearing.The snail
Bar 22 is engaged with the worm gear 21.One end of the flexible driving member 24 is connect with the worm screw 22, the other end and the input
Axis 25 connects.Specifically, the flexible driving member 24 is telescoping universal joint.
Fig. 9 is please referred to, second electric machine assembly includes including driven wheel 13, driving wheel 12, first motor 11, input shaft
25 and synchronous belt 14；The driven wheel 13 is keyed with the input shaft 25；The driving wheel 12 is arranged in the first motor
On 11 output shaft, the synchronous belt 14 connects the driving wheel 12 and the driven wheel 13；The fixation of first motor 11 is set
It sets in the one side wall of the lathe bed 1.
The first motor 11 drives the driving wheel 12 to rotate, and drives the driven wheel 13 to rotate, the driven wheel 13
The input shaft 25 is driven to rotate, the input shaft 25 drives the worm screw 22 to rotate, and the worm screw 22 drives the turbine 21
Rotation finally drives the drive-connecting shaft 84 to rotate；So that the axle center that connect with the crankshaft 3 of the first connecting rod 4 is to described
At a distance from the axle center that the swing arm 81 connects small variation occurs for one connecting rod 4, so that the position of 6 minimum point of the sliding block is sent out
Raw small variation.
Specifically, the 6 bottom dead centre adjustment amount of sliding block is in 0.01-0.5mm.
Embodiment three
Fig. 6 and Figure 10 are please referred to, the present embodiment is based on embodiment one, the difference of the present embodiment and embodiment one
It is, the both ends of the support shaft 82 of lever mechanism 8 described in the present embodiment are connect with the two sidewalls of the cavity, the swing arm 81
It is rotatablely connected with the support shaft 82.
The regulating mechanism 9 adjusts 5 bottom of second connecting rod and connect axle center with the swing arm 81 to the second connecting rod 5
The distance between.
The other end of the swing arm 81 of the lever mechanism 8 is extended with two blocks of second side plates 85 being parallel to each other, drive-connecting shaft 84
It is pivotally connected the upper end of the swing arm 81 and the second connecting rod 5；The both ends of the drive-connecting shaft 84 respectively correspond second side plate 85
Rotation connection；Specifically, the both ends of the drive-connecting shaft 84 are connect with 85 bearing of the second side plate.It is arranged on the drive-connecting shaft 84
Second flange part 92, second flange part 92 are in eccentric shape with the drive-connecting shaft 84, and the upper end of the second connecting rod 5 can be rotated
Ground is set on second flange part 92；Specifically, the upper end of the second connecting rod 5 and 92 bearing of the second flange part connect
It connects.The regulating mechanism 9 is the Telescopic rotating driving mechanism that the driving drive-connecting shaft 84 rotates.
Figure 11 and Figure 12 are please referred to, the Telescopic rotating driving mechanism includes worm gear 21, worm screw 22, mounting base 23, stretches
Driving member 24, input shaft 25 and the second electric machine assembly；One end of the drive-connecting shaft 84, specifically, institute is arranged in the worm gear 21
It states worm gear 21 and the drive-connecting shaft 84 is keyed.The mounting base 23 is installed in the outside of second side plate 85, the snail
Bar 22 is rotatably connected in the mounting base 23, and the worm gear 21 is engaged with the worm screw 22；The one of the flexible driving member 24
End is connect with the worm screw 22, and the other end is connect with the input shaft 25, and the one side wall of the input shaft 25 and the lathe bed 1 turns
Dynamic connection.Specifically, the input shaft 25 is connect with the one side wall bearing of the cavity.The input shaft 25 and second electricity
Thermomechanical components connection.The second electric machine assembly driving flexible driving member 24 rotates, so that the worm screw drives the worm screw
22 rotations, rotate the drive-connecting shaft 84.The side of the worm gear 21 is provided with gland, and the gland limit connects the worm gear
21 with the connecting key of the drive-connecting shaft 84.
Specifically, it being provided with clearance position in the middle part of the mounting base 23, the both ends of the clearance position have upwardly extended fixing seat,
The mounting base 23 is fixedly connected on the outside of first side plate 83 by fixing seat.The both ends of the installation 23 are provided with
Mounting hole is provided with bearing in the mounting hole, and the both ends of the worm screw 21 are connect with the inner ring close-fitting of the bearing.The snail
Bar 22 is engaged with the worm gear 21.One end of the flexible driving member 24 is connect with the worm screw 22, the other end and the input
Axis 25 connects.Specifically, the flexible driving member 24 is telescoping universal joint.
Figure 13 is please referred to, second electric machine assembly includes including driven wheel 13, driving wheel 12, first motor 11, input
Axis 25 and synchronous belt 14；The driven wheel 13 is keyed with the input shaft 25；The setting of driving wheel 12 is in first electricity
On the output shaft of machine 11, the synchronous belt 14 connects the driving wheel 12 and the driven wheel 13；The first motor 11 is fixed
It is arranged in the one side wall of the lathe bed 1.
The first motor 11 drives the driving wheel 12 to rotate, and drives the driven wheel 13 to rotate, the driven wheel 13
The input shaft 25 is driven to rotate, the input shaft 25 drives the worm screw 22 to rotate, and the worm screw 22 drives the turbine 21
Rotation finally drives the drive-connecting shaft 84 to rotate；So that 5 bottom of second connecting rod is to the second connecting rod 5 and the swing arm
Small variation occurs for the distance between 81 connection axle center, so that small variation occurs for the position of 6 minimum point of the sliding block.
Specifically, the 6 bottom dead centre adjustment amount of sliding block is in 0.01-0.5mm.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, architectural form cans be flexible and changeable, can be with derivative series product.It only makes several
Simple deduction or replace all shall be regarded as belonging to present invention scope of patent protection determined by the appended claims.
Claims (12)
1. a kind of lever punch, including lathe bed (1), workbench (2), crankshaft (3), first connecting rod (4), lever mechanism (8), the
Two connecting rods (5), the electric machine assembly (7) of sliding block (6) and driving crankshaft rotation；The crankshaft (3) is rotatably connected on the lathe bed (1)
Upper end, the first connecting rod (4) is rotatably set on the crankshaft (3)；The swing arm (81) of the lever mechanism (8)
One end and the first connecting rod (4) are rotatablely connected, and the upper end of the other end and the second connecting rod (5) is rotatablely connected；The sliding block
(6) it is fixedly connected on the bottom of the second connecting rod (5)；The electric machine assembly (7) drives crankshaft (3) rotation, passes through institute
First connecting rod (4) are stated, pushes the swing arm (81) of the lever mechanism (8) to swing, makes the second connecting rod (5) along the lathe bed
(1) pilot hole moves up and down；It is characterized in that, regulating mechanism (9) adjusts the height of the fulcrum of the lever mechanism (8), or
The axle center that the first connecting rod (4) is connect with the crankshaft (3) is adjusted to connect to the first connecting rod (4) with the swing arm (81)
Axle center distance, or adjust second connecting rod (5) bottom and connect axle center with the swing arm (81) to the second connecting rod (5)
The distance between.
2. lever punch according to claim 1, which is characterized in that the support shaft (82) of the lever mechanism (8) with
Lathe bed (1) rotation connection；The support shaft is equipped with flange part, and the flange part (91) and the support shaft (82) are in inclined
Heart shaped, the swing arm (81) are rotatably sleeved on the flange part (91)；The regulating mechanism (9) is to drive the support
The rotating mechanism of axis rotation.
3. lever punch according to claim 2, which is characterized in that the rotating mechanism include first motor (11),
It is the driving wheel (12) that is arranged on the output shaft of the first motor (11), driven with the support shaft (82) one end key connection
Take turns the synchronous belt (14) of (13) and the connection driving wheel (12) and the driven wheel (13)；First motor (11) fixation is set
Set the upper end in the lathe bed (1).
4. lever punch according to claim 1, which is characterized in that the one of the swing arm (81) of the lever mechanism (8)
End is extended with two the first side plates (83) being parallel to each other, and the both ends of drive-connecting shaft (84) respectively correspond the first side plate (83) rotation
Connection；It is arranged the second flange part (92) on the drive-connecting shaft (84), second flange part (92) is in the drive-connecting shaft (84)
Eccentric shape, the lower end of the first connecting rod (4) are rotatably sleeved on second flange part (92)；The regulating mechanism
(9) the Telescopic rotating driving mechanism to drive drive-connecting shaft (84) rotation.
5. lever punch according to claim 4, which is characterized in that the Telescopic rotating driving mechanism includes worm gear
(21), worm screw (22), mounting base (23), flexible driving member (24), input shaft (25) and first motor (11)；The worm gear (21)
One end in the drive-connecting shaft (84) is set, and the mounting base (23) is installed in the outside of first side plate (83), described
Worm screw (22) is rotatably connected on the mounting base (23), and the worm gear (21) is engaged with the worm screw (22)；The flexible biography
One end of moving part (24) is connect with the worm screw (22), and the other end is connect with the input shaft (25), the input shaft with it is described
The one side wall of lathe bed (1) is rotatablely connected；The input shaft (25) connect with the second electric machine assembly.
6. lever punch according to claim 5, which is characterized in that the flexible driving member (24) is universal to stretch
Section.
7. lever punch according to claim 1, which is characterized in that the swing arm (81) of the lever mechanism (8) it is another
One end is extended with two blocks of second side plates (85) being parallel to each other, and drive-connecting shaft (84) is pivotally connected the swing arm (81) and the second connecting rod
(5) upper end；The both ends of the drive-connecting shaft (84) respectively correspond the second side plate (85) rotation connection；The drive-connecting shaft (84)
The second flange part of upper setting (92), second flange part (92) and the drive-connecting shaft (84) are in eccentric shape, the second connecting rod
(5) upper end is rotatably sleeved on second flange part (92)；The regulating mechanism (9) is to drive the drive-connecting shaft
(84) the Telescopic rotating driving mechanism rotated.
8. lever punch according to claim 7, which is characterized in that the Telescopic rotating driving mechanism includes worm gear
(21), worm screw (22), mounting base (23), flexible driving member (24), input shaft (25) and first motor (11)；The worm gear (21)
One end in the drive-connecting shaft (84) is set, and the mounting base (23) is installed in the outside of second side plate (85), described
Worm screw (22) is rotatably connected on the mounting base (23), and the worm gear (21) is engaged with the worm screw (22)；The flexible biography
One end of moving part (24) is connect with the worm screw (22), and the other end is connect with the input shaft (25), the input shaft with it is described
The one side wall of lathe bed (1) is rotatablely connected；The input shaft (25) connect with the second electric machine assembly.
9. lever punch according to claim 8, which is characterized in that the flexible driving member (24) is universal to stretch
Section.
10. -9 described in any item lever punches according to claim 1, which is characterized in that the tune of sliding block (6) bottom dead centre
Whole amount is in 0.01-0.5mm.
11. lever punch according to claim 1, which is characterized in that the electric machine assembly (7) includes being arranged described
Second motor (71) of lathe bed (1) upper end, the second driving wheel (72) being arranged on the output shaft of second motor (71), with
The clutch (74) of crankshaft (3) one end key connection and the transmission belt (73) for connecting clutch and second driving wheel.
12. lever punch according to claim 3, which is characterized in that the upper end of the lathe bed (1) is equipped with a cavity,
The both ends of the crankshaft (3) and the two sidewalls of the cavity are rotatablely connected；The both ends of the support shaft (82) and the cavity
Two sidewalls rotation connection；The lower wall setting of the cavity is slidably arranged in described lead due to pilot hole, the second connecting rod (5)
Xiang Kongzhong.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518807.9A CN109454912A (en) | 2018-12-12 | 2018-12-12 | A kind of lever punch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518807.9A CN109454912A (en) | 2018-12-12 | 2018-12-12 | A kind of lever punch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109454912A true CN109454912A (en) | 2019-03-12 |
Family
ID=65613173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811518807.9A Pending CN109454912A (en) | 2018-12-12 | 2018-12-12 | A kind of lever punch |
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| Country | Link |
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| CN (1) | CN109454912A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100013343A1 (en) * | 2021-05-24 | 2022-11-24 | Jofa S R L | ELECTRIC PRESS FOR THE CHARACTERIZATION OF VEHICLE SHOCK ABSORBERS |
| CN117181881A (en) * | 2023-09-25 | 2023-12-08 | 广东豪辉科技股份有限公司 | Intelligent equipment of high-speed precise punching machine and control method thereof |
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| US20080127839A1 (en) * | 2006-11-30 | 2008-06-05 | Jurgen Fahrenbach | Press with travel controllable drive arrangement |
| CN102092142A (en) * | 2009-12-10 | 2011-06-15 | 株式会社山田多比 | Stamping machine |
| CN102602029A (en) * | 2012-03-14 | 2012-07-25 | 江苏省徐州锻压机床厂集团有限公司 | Dynamic compensation mechanism for bottom dead center of high-speed precise press |
| CN209756145U (en) * | 2018-12-12 | 2019-12-10 | 明勖（东莞）精密机械有限公司 | Lever type punch press |
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- 2018-12-12 CN CN201811518807.9A patent/CN109454912A/en active Pending
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| EP0364715A1 (en) * | 1988-09-09 | 1990-04-25 | L. SCHULER GmbH | Device for adjusting the stroke of a press ram of a punching machine |
| JPH08155682A (en) * | 1994-11-29 | 1996-06-18 | Hiroyasu Shiokawa | Lever press |
| CN2305261Y (en) * | 1997-09-15 | 1999-01-27 | 何文维 | Hydraulic punching forging machine |
| JP2001121294A (en) * | 1999-10-21 | 2001-05-08 | Yoshiki Kogyo Kk | Lever mechanism and press apparatus with using the same |
| CN2920636Y (en) * | 2006-06-10 | 2007-07-11 | 徐银海 | Punching machine double-eccentric stroke regulator |
| US20080127839A1 (en) * | 2006-11-30 | 2008-06-05 | Jurgen Fahrenbach | Press with travel controllable drive arrangement |
| CN102092142A (en) * | 2009-12-10 | 2011-06-15 | 株式会社山田多比 | Stamping machine |
| CN102602029A (en) * | 2012-03-14 | 2012-07-25 | 江苏省徐州锻压机床厂集团有限公司 | Dynamic compensation mechanism for bottom dead center of high-speed precise press |
| CN209756145U (en) * | 2018-12-12 | 2019-12-10 | 明勖（东莞）精密机械有限公司 | Lever type punch press |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100013343A1 (en) * | 2021-05-24 | 2022-11-24 | Jofa S R L | ELECTRIC PRESS FOR THE CHARACTERIZATION OF VEHICLE SHOCK ABSORBERS |
| CN117181881A (en) * | 2023-09-25 | 2023-12-08 | 广东豪辉科技股份有限公司 | Intelligent equipment of high-speed precise punching machine and control method thereof |
| CN117181881B (en) * | 2023-09-25 | 2024-06-11 | 广东豪辉科技股份有限公司 | Intelligent equipment of high-speed precise punching machine and control method thereof |
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