CN202764237U - Dynamic balance device of high-speed punch press - Google Patents
Dynamic balance device of high-speed punch press Download PDFInfo
- Publication number
- CN202764237U CN202764237U CN 201220376181 CN201220376181U CN202764237U CN 202764237 U CN202764237 U CN 202764237U CN 201220376181 CN201220376181 CN 201220376181 CN 201220376181 U CN201220376181 U CN 201220376181U CN 202764237 U CN202764237 U CN 202764237U
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- China
- Prior art keywords
- crank throw
- dynamic balance
- punch press
- balance weight
- high velocity
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Abstract
The utility model discloses a dynamic balance device of a high-speed punch press and overcomes the defects in the prior art that a balancing weight is arranged above a crank shaft of the dynamic balance device of the punch press so that the gravity center of the punch press is raised and stability of the punch press is reduced. The dynamic balance device of the high-speed punch press avoids raising the gravity center of the punch press and is good in balancing effect. The dynamic balance device comprises the crank shaft, a sliding block and a dynamic balance weight. The dynamic balance weight is arranged below the crank shaft and connected with a first crank throw of the crank shaft of the high-speed punch press through a first connecting rod. A second crank throw of the crank shaft is connected with the sliding block through a second connecting rod. A third crank throw is connected with the sliding block through a third connecting rod. The position difference between the first crank throw and the second crank throw is 180 degrees. The position of the crank throw is the same as that of the third crank throw. The dynamic balance weight is arranged below the crank shaft, does not affect the height of the punch press, and can not raise the gravity center of the punch press. The motion constraint condition of the dynamic balance weight and the motion constraint condition of the sliding block are arranged symmetrically so as to facilitate balancing inertia reciprocating force. Moreover, the dynamic balance device of the high-speed punch press is low in cost and convenient to install and debug.
Description
Technical field
The utility model belongs to the stamping machine technical field, is specifically related to a kind of punch press dynamic poise device.
Background technology
Punch press relies on crankshaft rotating band movable slider to move back and forth the workmanship, the crankshaft operation balance is a very important specification requirement of transmission of crankshaft lathe, comprise that gravity, crankshaft rotating inertia force and the reaction torque of reciprocal inertia force, slide block and connecting rod that the slide block reciprocating motion produces will finally be delivered to the body supporting of reciprocating machine, form with force and moment occurs, these force and moments all are the periodic functions of crank angle, supporting and frame thereof to reciprocating machine are a kind of periodic excitations, cause system vibration.
The crankshaft operation balance is exactly to take measures to offset above-mentioned three kinds of inertia force or make them be reduced to the degree of permission, for example reach the G40 balance level, say that briefly the quality that the value that needs at least to make the slide block quality multiply by throw of crankshaft equals dynamic balance weight multiply by the value of the dynamic balance weight radius of gyration; Next is to carry out balance to the inertia force that slide block move back and forth to produce, to the method that moves back and forth the balance of shaking force that produces commonly used many kinds are arranged, wherein for punch press, can adopt preferably and adjust the barycenter balancing method.
For example China Patent No. ZL 02142842.5, name is called the patent of invention of " dynamic balancing machine that is used for press ", a kind of dynamic balancing machine for press is disclosed, comprise: (1) one dynamic balancing that is installed on the crank axle drives eccentric part, and this dynamic balancing drives eccentric part and operating with the opposite phase that is installed in equally the slip of one on this crank axle driving eccentric part; (2) one dynamic balancing coupling bars are used for connecting with a first end of dynamic balancing driving eccentric part, and second a relative end of this coupling bar is used for connecting with a counterweight.Counterweight forms by this way, can turn round around a pivot that is arranged on the one end, and the center of gravity of this counterweight roughly is positioned on the plumb line of the center of gravity of passing a sliding part.This dynamic poise device is arranged on the top of bent axle with balancing weight, so just must increase the height of lathe, certainly also improves the center of gravity of lathe, causes stability to reduce, and increases lathe the volume of lathe is increased, the cost increase.
Summary of the invention
The utility model technical issues that need to address are, the punch press dynamic poise device that overcomes prior art is arranged on the bent axle top with balancing weight, improve the center of gravity of lathe, the defective that causes stability to reduce provides a kind of high velocity ram machine dynamic poise device of avoiding improving lathe center of gravity, good balance effect.
The purpose of this utility model is achieved by following technical proposals: a kind of high velocity ram machine dynamic poise device, comprise bent axle, slide block and dynamic balance weight, described dynamic balance weight is arranged on the below of bent axle and is connected with the crank throw one of high velocity ram machine bent axle by connecting rod one, the crank throw two of bent axle is connected with slide block by connecting rod two, crank throw three is connected with slide block by connecting rod three, crank throw one differs 180 ° with crank throw two orientation, and crank throw two is identical with the crank throw Three-bearing.
It is opposite with crank throw one orientation that connects dynamic balance weight that the crank throw two of connection sliding block is connected with crank throw, one side equilibrium centrifugation inertia force, and it is symmetrical with balance inertia reciprocating force that dynamic balance weight motion state and slide block movement state are set on the other hand; Dynamic balance weight is arranged on the lower position of bent axle, and the height of lathe is not exerted an influence, and can not raise the lathe position of centre of gravity.
As preferably, described dynamic balance weight is the U font structure, and the dual-side of U font structure is enclosed in the both sides of crank throw one, and the position that the centre of U font structure approaches the bottom is provided with transverse axis; Connecting rod one is provided with Upper shaft sleeve and Lower shaft sleeve, and Upper shaft sleeve is connected with crank throw one, and Lower shaft sleeve is connected with transverse axis.
As preferably, two side bottoms of described dynamic balance weight U font structure are provided with guide column sleeve, and the support of high velocity ram machine is provided with guide pillar, and guide column sleeve and guide pillar are slidingly matched.The kinematic constraint condition of dynamic balance weight and the kinematic constraint condition of slide block are symmetrical arranged and are beneficial to balance inertia reciprocating force.
As preferably, the upper bottom portion of described guide column sleeve is provided with the air equalizer opening that is communicated with the dynamic balance weight outer surface.
As preferably, motor is located at the top of high velocity ram machine, and motor is connected by belt drive unit with high velocity ram machine, and an end of bent axle is provided with eccentric friction brake disk.
The beneficial effects of the utility model are:
1, dynamic balance weight is arranged on the lower position of bent axle, and the height of lathe is not exerted an influence, and can not raise the lathe position of centre of gravity;
2, the kinematic constraint condition of the kinematic constraint condition of dynamic balance weight and slide block is symmetrical arranged and is beneficial to balance inertia reciprocating force;
3, cost is low, and installation and debugging are more convenient.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the A-A generalized section of Fig. 1.
Among the figure, bent axle 1; Eccentric friction brake disk 11; Slide block 2; Dynamic balance weight 3; Air equalizer opening 31; Connecting rod 1; Upper shaft sleeve 411; Lower shaft sleeve 412, connecting rod 2 42; Connecting rod 3 43; Crank throw 1; Crank throw 2 52; Crank throw 3 53; Transverse axis 6; Guide column sleeve 7; Guide pillar 8; Support 9; Motor 91; Belt drive unit 92.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiments the utility model is further described.
Embodiment 1: as shown in Figure 1 and Figure 2, a kind of high velocity ram machine dynamic poise device, comprise bent axle 1, slide block 2 and dynamic balance weight 3, dynamic balance weight 3 is arranged on the below of bent axle 1 and is connected with the crank throw 1 of bent axle by connecting rod 1, the crank throw 2 52 of bent axle is connected with slide block 2 by connecting rod 2 42, crank throw 3 53 is connected with slide block 2 by connecting rod 3 43, and crank throw 1 differs 180 ° with crank throw 2 52 orientation, and crank throw 2 52 is identical with crank throw 3 53 orientation.
It is 53 opposite with crank throw one 51 orientation that connect dynamic balance weight 3 that the crank throw 2 52 of connection sliding block 2 is connected with crank throw, equilibrium centrifugation inertia force on the one hand, and it is symmetrical with balance inertia reciprocating force that dynamic balance weight 3 motion states and slide block 2 motion states are set on the other hand; Dynamic balance weight 3 is arranged on the lower position of bent axle 1, and the height of lathe is not exerted an influence, and can not raise the lathe position of centre of gravity.Utilize dynamic balance weight 3 basically the static unbalance of bent axle 1 rotation system to be eliminated; Crank throw 2 52 and crank throw 3 53 symmetries are located at the both sides of crank throw 1, and adjust the barycenter of dynamic balance weight 3 and the barycenter of slide block 2 all is positioned on the center normal plane of crank throw 1, farthest to eliminate the unbalance dynamic of bent axle 1 rotation system.
Dynamic balance weight is the U font structure, and the dual-side of U font structure is enclosed in the both sides, front and back of crank throw one, and the position that the centre of U font structure approaches the bottom is provided with transverse axis 6; Connecting rod 1 is provided with Upper shaft sleeve 411 and Lower shaft sleeve 412, and Upper shaft sleeve 411 is connected with crank throw 1, and Lower shaft sleeve 412 is connected with transverse axis 6.
Two side bottoms of dynamic balance weight U font structure are provided with guide column sleeve 7, the support 9 of high velocity ram machine is provided with guide pillar 8, guide column sleeve 7 is slidingly matched with guide pillar 8, guide pillar 7 equates with the stroke of slide block 2 with the cooperation stroke of guide column sleeve 8, be arranged at intervals with oil-way on the guide pillar 8, the top of guide pillar is provided with the importing chamfering.
The upper bottom portion of guide column sleeve 7 is provided with the air equalizer opening 31 that is communicated with dynamic balance weight 3 outer surfaces, about the air equalizer opening of two guide column sleeves be symmetrical arranged, namely pore size is identical with centre-height, opposite direction is in order to avoid destroy the symmetry of dynamic balance weight.
Motor 91 is located at the top of high velocity ram machine, and is identical with most punch presses of prior art, and motor is connected by belt drive unit 92 with high velocity ram machine, and an end of bent axle 1 is provided with eccentric friction brake disk 11.
The utility model can use in the dynamic poise device of various high velocity ram machines, has the advantage that the lathe center of gravity is lower, balance of shaking force is effective, cost is low and installation and debugging are more convenient, if those skilled in the art does simple the modification or replacement to the foregoing invention content, such change can not think to break away from scope of the present utility model, and all will be included within the scope of claim of the present utility model the apparent modification of those skilled in the art like this.
Claims (5)
1. high velocity ram machine dynamic poise device, comprise bent axle, slide block and dynamic balance weight, it is characterized in that, described dynamic balance weight is arranged on the below of bent axle and is connected with the crank throw one of high velocity ram machine bent axle by connecting rod one, the crank throw two of bent axle is connected with slide block by connecting rod two, crank throw three is connected with slide block by connecting rod three, and crank throw one differs 180 ° with crank throw two orientation, and crank throw two is identical with the crank throw Three-bearing.
2. high velocity ram machine dynamic poise device according to claim 1 is characterized in that, described dynamic balance weight is the U font structure, and the dual-side of U font structure is enclosed in the both sides of crank throw one, and the position that the centre of U font structure approaches the bottom is provided with transverse axis; Connecting rod one is provided with Upper shaft sleeve and Lower shaft sleeve, and Upper shaft sleeve is connected with crank throw one, and Lower shaft sleeve is connected with transverse axis.
3. high velocity ram machine dynamic poise device according to claim 1 and 2 is characterized in that, two side bottoms of described dynamic balance weight U font structure are provided with guide column sleeve, and the support of high velocity ram machine is provided with guide pillar, and guide column sleeve and guide pillar are slidingly matched.
4. high velocity ram machine dynamic poise device according to claim 1 and 2 is characterized in that, the upper bottom portion of described guide column sleeve is provided with the air equalizer opening that is communicated with the balance weight outer surface.
5. high velocity ram machine dynamic poise device according to claim 1 and 2 is characterized in that, motor is located at the top of high velocity ram machine, and motor is connected by belt drive unit with high velocity ram machine, and an end of bent axle is provided with eccentric friction brake disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376181 CN202764237U (en) | 2012-08-01 | 2012-08-01 | Dynamic balance device of high-speed punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376181 CN202764237U (en) | 2012-08-01 | 2012-08-01 | Dynamic balance device of high-speed punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202764237U true CN202764237U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376181 Expired - Lifetime CN202764237U (en) | 2012-08-01 | 2012-08-01 | Dynamic balance device of high-speed punch press |
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| Country | Link |
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| CN (1) | CN202764237U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529555A (en) * | 2019-09-18 | 2019-12-03 | 宁波甬锻机械科技有限公司 | A kind of high speed machine crankshaft counterbalance device |
| 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 |
| CN114130877A (en) * | 2021-10-25 | 2022-03-04 | 宁波澳玛特高精冲压机床股份有限公司 | High-speed punch press counter weight adjusting device |
-
2012
- 2012-08-01 CN CN 201220376181 patent/CN202764237U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529555A (en) * | 2019-09-18 | 2019-12-03 | 宁波甬锻机械科技有限公司 | A kind of high speed machine crankshaft counterbalance device |
| 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 |
| CN114130877A (en) * | 2021-10-25 | 2022-03-04 | 宁波澳玛特高精冲压机床股份有限公司 | High-speed punch press counter weight adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |