CN209409368U - A kind of crankshaft dynamic balance device - Google Patents
A kind of crankshaft dynamic balance device Download PDFInfo
- Publication number
- CN209409368U CN209409368U CN201822017810.4U CN201822017810U CN209409368U CN 209409368 U CN209409368 U CN 209409368U CN 201822017810 U CN201822017810 U CN 201822017810U CN 209409368 U CN209409368 U CN 209409368U
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- guide post
- crankshaft
- sliding block
- short guiding
- bearing
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Abstract
The utility model discloses a kind of crankshaft dynamic balance devices, it is related to punching machine field, one end of crankshaft is equipped with the eccentric wheel diametrically opposite with crankshaft eccentric portion, eccentric wheel and crankshaft close-fitting, and it is fastened by square cotter, high speed self-aligning bearing is provided with outside eccentric wheel, and it is connected by attachment base with balance weight, the both ends of balance weight are respectively arranged with aperture, edge is equipped with copper sheathing in aperture, and is sleeved on two long guide posts, and the lower end of long guide post is connect with sliding block, the lower section setting of sliding block is mounted on buffer spring on four short guiding columns there are four short guiding column.It is reasonable in design, easy to operate, easy to use, machine is set to increase stabilization by increasing dynamic balancing, and buffer spring is also increased on four short guiding columns, can increase bearing in this way will not be damaged because of the centrifugal force for individually bearing eccentric wheel, improve the service life of product.
Description
Technical field:
The utility model relates to a kind of crankshaft dynamic balance devices, belong to punching machine technical field.
Background technique:
Common punch press working principle is supplied power by motor, and by belt, gear transmission flywheel band dynamic crankshaft, crankshaft passes through
Connecting rod pushes sliding block to move up and down, and completes various press works by mold.Sliding block primarily serves transmitting receiving pressure and movement is led
To positioning action, since punching machine pressure is huge, so often great several hundred kilograms of sliding block, it is more than top dead centre in Crankshaft motion, pushes away
When movable slider downlink, the sagging power generated since sliding block is self-possessed can be greater than slide block guide rail frictional resistance, and irregular whereabouts, this
Serious harm is generated to the work such as clutch for puncher and punching machine feeding.In order to overcome such harm, nearly all punching machine is all adopted
Increase by an eccentric friction pulley used in crankshaft one end, the sagging power of sliding block overcome with the frictional force that brake band and friction pulley generate,
Thus one, then it is artificial to increase the resistance of motion, part power of motor is consumed, if it is the punching machine of continuous punching, can be drawn
It plays friction pulley seriously to generate heat, main bearing shell is caused to damage, punching machine is in work because punching module can quickly move to generate
Vibration, from the quality for influencing product processing.
Utility model content:
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of crankshaft dynamic balance devices.
A kind of crankshaft dynamic balance device of the utility model, it include crankshaft, eccentric wheel, high speed self-aligning bearing, attachment base,
Balance weight, long guide post, sliding block, short guiding column, buffer spring, one end of crankshaft are equipped with the bias diametrically opposite with crankshaft eccentric portion
Wheel, eccentric wheel and crankshaft close-fitting, and fastened by square cotter are provided with high speed self-aligning bearing outside eccentric wheel, and by attachment base and
Balance weight is connected, and the both ends of balance weight are respectively arranged with aperture, and edge is equipped with copper sheathing in aperture, and is sleeved on two long guide posts,
The lower end of long guide post is connect with sliding block, and the setting of the lower section of sliding block is mounted on buffering elastic on four short guiding columns there are four short guiding column
Spring.
Preferably, being equipped with big guide post fixing seat in the middle part of the sliding block, the outside of big guide post fixing seat is provided with
Bearing shell covers, and big guide post is provided in big guide post fixing seat, and be provided with oil sealing between big guide post and big guide post fixing seat, led greatly
The outside of column is provided with big guide post bearing shell, and big guide post bearing shell is covered with bearing shell and is fixedly connected by several screws, under retainer
End is provided with sealing ring and retainer assembly bearing, the top peace of retainer by piston setting in big guide post, on retainer
Equipped with worm gear, zanjon bearing and saw tooth, saw tooth is fixedly connected with crank by crank-pin and fixed plate, and the outside of worm gear is equipped with
Square, worm gear are meshed with worm screw, and crank is mounted on crankshaft.
Preferably, the upper end of the short guiding column is provided with short guiding column fixed block, UPH type is provided in the middle part of short guiding column
Sealing ring and sliding block copper sheathing, the lower end of short guiding column are provided with guide post sheath.
The utility model has the beneficial effects that it is reasonable in design, and it is easy to operate, it is easy to use, by increasing dynamic balancing
So that machine is increased stabilization, and also increase buffer spring on four short guiding columns, can increase bearing in this way will not be because of list
It solely bears the centrifugal force of eccentric wheel and is damaged, improve the service life of product.
Detailed description of the invention:
The present invention is described in detail by the following detailed description and drawings for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional view of the utility model；
Fig. 3 is the exploded structural schematic diagram of the utility model.
1- crankshaft；2- eccentric wheel；3- high speed self-aligning bearing；4- attachment base；5- balance weight；6- long guide post；7- sliding block；8- is short
Guide post；8-1- short guiding column fixed block；8-2-UPH type sealing ring；8-3- sliding block copper sheathing；8-4- guide post sheath；9- buffer spring；
The big guide post fixing seat of 10-；The capping of 11- bearing shell；The big guide post of 12-；13- oil sealing；The big guide post bearing shell of 14-；15- retainer；16- is living
Plug；17- sealing ring；18- retainer assembly bearing；19- worm gear；20- zanjon bearing；21- saws tooth；22- crank；23- crank-pin；
24- fixed plate；25- square；26- worm screw.
Specific embodiment:
As shown in Figure 1-Figure 3, present embodiment uses following technical scheme: it includes crankshaft 1, eccentric wheel 2, high speed
Self-aligning bearing 3, attachment base 4, balance weight 5, long guide post 6, sliding block 7, short guiding column 8, buffer spring 9, one end of crankshaft 1 be equipped with
The diametrically opposite eccentric wheel 2 of 1 eccentric part of crankshaft, eccentric wheel 2 and 1 close-fitting of crankshaft, and fastened by square cotter, it is arranged outside eccentric wheel 2
There is a high speed self-aligning bearing 3, and be connected by attachment base 4 with balance weight 5, the both ends of balance weight 5 are respectively arranged with aperture, in aperture
Edge is equipped with copper sheathing, and is sleeved on two long guide post 6, and the lower end of long guide post 6 is connect with sliding block 7, and the lower section of sliding block 7 is provided with four
A short guiding column 8 is mounted on buffer spring 9 on four short guiding columns 8, can reach jointly counterbalance effect with auxiliary balance block.
Wherein, the middle part of the sliding block 7 is equipped with big guide post fixing seat 10, and the outside of big guide post fixing seat 10 is provided with
Bearing shell covers 11, big guide post 12 is provided in big guide post fixing seat 10, and be arranged between big guide post 12 and big guide post fixing seat 10
There is oil sealing 13, the outside of big guide post 12 is provided with big guide post bearing shell 14, and big guide post bearing shell 14 passes through several spiral shells with bearing shell capping 11
Silk is fixedly connected, and the lower end of retainer 15 is arranged in big guide post 12 by piston 16, and sealing ring 17 is provided on retainer 15
With retainer assembly bearing 18, the top of retainer 15 is equipped with worm gear 19, zanjon bearing 20 and saw tooth 21, saws tooth 21 and crank
22 are fixedly connected by crank-pin 23 with fixed plate 24, and the outside of worm gear 19 is equipped with square 25, worm gear 19 and 26 phase of worm screw
Engagement, crank 22 are mounted on crankshaft 1；The upper end of the short guiding column 8 is provided with short guiding column fixed block 8-1, in short guiding column 8
Portion is provided with UPH type sealing ring 8-2 and sliding block copper sheathing 8-3, and the lower end of short guiding column 8 is provided with guide post sheath 8-4.
For present embodiment when crankshaft 1 rotates, eccentric wheel 2 and the eccentric position of crankshaft 1 are diametrically opposite, in balance weight gravity
And slow down effect under inertia masterpiece except the vibration that the eccentric position of crankshaft 1 generates improves machine tool capability to reach dynamic balancing effect.
Specific embodiment has reasonable structure design, easy to operate, easy to use, increases machine by increasing dynamic balancing
Stabilization, and on four short guiding columns also increase buffer spring, can increase bearing in this way will not be because of individually bearing bias
The centrifugal force of wheel and be damaged, improve the service life of product.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of crankshaft dynamic balance device, it is characterised in that: it include crankshaft (1), eccentric wheel (2), high speed self-aligning bearing (3),
Attachment base (4), balance weight (5), long guide post (6), sliding block (7), short guiding column (8), buffer spring (9), one end installation of crankshaft (1)
Have with the diametrically opposite eccentric wheel (2) of crankshaft (1) eccentric part, eccentric wheel (2) and crankshaft (1) close-fitting, and by square cotter fastening, partially
It is provided with high speed self-aligning bearing (3) outside heart wheel (2), and is connected by attachment base (4) with balance weight (5), the both ends of balance weight (5)
It is respectively arranged with aperture, edge is equipped with copper sheathing in aperture, and is sleeved on two long guide post (6), the lower end of long guide post (6) and sliding block
(7) it connects, there are four the lower section settings of sliding block (7) short guiding column (8), is mounted on buffer spring (9) on four short guiding columns (8).
2. a kind of crankshaft dynamic balance device according to claim 1, it is characterised in that: pacify at the middle part of the sliding block (7)
Equipped with big guide post fixing seat (10), the outside of big guide post fixing seat (10) is provided with bearing shell capping (11), big guide post fixing seat
(10) it is provided on big guide post (12), and is provided with oil sealing (13) between big guide post (12) and big guide post fixing seat (10), led greatly
The outside of column (12) is provided with big guide post bearing shell (14), and big guide post bearing shell (14) is fixed with bearing shell capping (11) by several screws
The lower end of connection, retainer (15) is arranged in big guide post (12) by piston (16), and retainer is provided with sealing ring on (15)
(17) and retainer assembly bearing (18), worm gear (19), zanjon bearing (20) and saw tooth are installed above retainer (15)
(21), saw tooth (21) is fixedly connected with crank (22) by crank-pin (23) and fixed plate (24), the external installation of worm gear (19)
Have square (25), worm gear (19) is meshed with worm screw (26), and crank (22) is mounted on crankshaft (1).
3. a kind of crankshaft dynamic balance device according to claim 1, it is characterised in that: the upper end of the short guiding column (8)
It is provided with short guiding column fixed block (8-1), UPH type sealing ring (8-2) and sliding block copper sheathing (8-3) is provided in the middle part of short guiding column (8),
The lower end of short guiding column (8) is provided with guide post sheath (8-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017810.4U CN209409368U (en) | 2018-11-30 | 2018-11-30 | A kind of crankshaft dynamic balance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822017810.4U CN209409368U (en) | 2018-11-30 | 2018-11-30 | A kind of crankshaft dynamic balance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209409368U true CN209409368U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822017810.4U Active CN209409368U (en) | 2018-11-30 | 2018-11-30 | A kind of crankshaft dynamic balance device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873985A (en) * | 2021-03-15 | 2021-06-01 | 苏州斯莱克精密设备股份有限公司 | Dynamic balance structure of double-acting high-speed press |
-
2018
- 2018-11-30 CN CN201822017810.4U patent/CN209409368U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873985A (en) * | 2021-03-15 | 2021-06-01 | 苏州斯莱克精密设备股份有限公司 | Dynamic balance structure of double-acting high-speed press |
| CN112873985B (en) * | 2021-03-15 | 2023-12-15 | 苏州斯莱克精密设备股份有限公司 | Dynamic balance structure of double-acting high-speed press |
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