CN207736785U - A kind of crank mechanism for high-speed stretch machine - Google Patents
A kind of crank mechanism for high-speed stretch machine Download PDFInfo
- Publication number
- CN207736785U CN207736785U CN201721614812.0U CN201721614812U CN207736785U CN 207736785 U CN207736785 U CN 207736785U CN 201721614812 U CN201721614812 U CN 201721614812U CN 207736785 U CN207736785 U CN 207736785U
- Authority
- CN
- China
- Prior art keywords
- gear wheel
- crank
- bent axle
- speed stretch
- stretch machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of crank mechanism for high-speed stretch machine, including bent axle and gear wheel, the bent axle is connected with gear wheel, and counter weight construction is provided on the gear wheel.The utility model uses and the counter weight construction of balance crankshaft mechanism is installed on gear wheel rather than on bent axle, it improves and balance mechanism is arranged on bent axle at present, bent axle cost is caused to increase, and crankshaft structure it is huge will have a direct impact on other mechanisms of punching machine design the problem of, by cutting a cutting hole for being used for lifting less on gear wheel, and the connecting rod neck on the position and crank throw cut less is symmetrical arranged about the axis of rotation of bent axle, achieve the effect that balance crankshaft, it can also be according to counterweight needs, the orifice plate cut down in hole will be cut to be soldered on the position cut less, neither increase cost, it can also waste utilization, orifice plate is soldered on gear wheel simultaneously, make full use of the space of gear wheel, the design of other mechanisms is not interfered with, with notable balance, material saving, the effect of adaptation.
Description
【Technical field】
The utility model is related to the technical fields of crank mechanism, more particularly to a kind of bent axle machine for high-speed stretch machine
Structure.
【Background technology】
Press machine is also punching machine, high-speed stretch machine, is and to pass through clutch, transmission gear by motor drive flywheel
It drives toggle that sliding block is made to move up and down, drives drawing die to steel plate forming.Due to bent axle when rotated relative to
There are one centrifugal force for rotation center, and when the punching machine speed of service excessively high (i.e. bent axle selection speed is excessively high), which will shadow
Ring lathe operation stability.It needs to install a balance mechanism, balancing machine currently on the market additional to bent axle gear wheel mechanism at this time
Structure is all to be installed on bent axle and (as depicted in figs. 1 and 2, install balance weight additional on the crank arm of bent axle), and it is that can reach to do so
Counterbalance effect, but increase cost is excessive, and the huge structure of bent axle, no with other mechanisms (such as shell) of current punching machine
Matching, can influence the design of other mechanisms of punching machine.
In order to solve problem above, it is necessary to propose a kind of crank mechanism for high-speed stretch machine, ensure the knot of bent axle
Structure is constant, while not increasing by one again and being divided into this, and does not interfere with the design of other mechanisms.
【Utility model content】
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of song for high-speed stretch machine
Axis mechanism aims to solve the problem that and installs balance mechanism additional on bent axle in the prior art, causes bent axle cost to increase, and the structure of bent axle
Huge the technical issues of influencing the design of other mechanisms of punching machine.
To achieve the above object, the utility model proposes a kind of crank mechanisms for high-speed stretch machine, including bent axle
And gear wheel, the bent axle are connected with gear wheel, and counter weight construction is provided on the gear wheel.
Preferably, the bent axle is connected in sequence by front end input shaft, several crank throws and rear end output shaft
Integral structure, the gear wheel is an integral molding structure, and is by plectane portion and the gear ring portion structure for being set to plectane portion periphery
At the plectane portion is provided centrally with axis hole, and the rear end output shaft on the bent axle connects with the shaft hole matching on gear wheel
It connects, the gear wheel is provided with counter weight construction in plectane portion.
Preferably, the counter weight construction includes multiple cutting holes and a solid area in plectane portion, it is described
Multiple cutting holes and a solid area equal uniform circular row of radiuses centered on axis hole are arranged, in the solid area and crank throw
Connecting rod neck about bent axle axis of rotation be symmetrical arranged.
Preferably, the counter weight construction further includes round block, the round block is welded on the solid area in plectane portion.
Preferably, the round block is the orifice plate cut down from the cutting hole in plectane portion.
Preferably, the quantity in the cutting hole is 5.
Preferably, the front end input shaft is connect with the crank throw positioned at forefront, the rear end output shaft and position
It is connected in the crank throw of rearmost.
Preferably, the crank throw is made of connecting rod neck with the crank arm for being connected to connecting rod neck both ends, the front end
Input shaft is connect with the crank arm of the front side on the crank throw of forefront, the rear end output shaft and the crank throw for being located at rearmost
The crank arm of upper rear side connects.
Preferably, the quantity of crank throw is 1.
The beneficial effects of the utility model：Compared with prior art, provided by the utility model a kind of for high-speed stretch
The crank mechanism of machine, it is reasonable for structure, it is installed on gear wheel rather than on bent axle using by the counter weight construction of balance crankshaft mechanism,
It ensure that crankshaft structure is constant, improve and balance mechanism is arranged on bent axle at present, bent axle cost is caused to increase, and bent axle
Huge structure will have a direct impact on the problem of other mechanisms of punching machine design, be cut for what is lifted by cutting one less on gear wheel
Hole is cut, and the connecting rod neck on the position and crank throw cut less is symmetrical arranged about the axis of rotation of bent axle, and it is bent to reach balance
The effect of axis can will also cut the orifice plate cut down in hole and be soldered on the position cut less, both according to the needs of counterweight
Cost can not be increased, moreover it is possible to waste utilization, while orifice plate is soldered on gear wheel, makes full use of the space of gear wheel, Bu Huiying
The design of other mechanisms is rung, has the effect of notable balance, material saving, adaptation.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is the structural schematic diagram that current balance mechanism is installed on bent axle；
Fig. 2 is the side view that current balance mechanism is installed on bent axle.
Fig. 3 is a kind of structural schematic diagram of crank mechanism for high-speed stretch machine of the utility model embodiment；
Fig. 4 is a kind of side view of crank mechanism for high-speed stretch machine of the utility model embodiment；
Fig. 5 is the structural schematic diagram of the gear wheel for adding round block of the utility model embodiment.
【Specific implementation mode】
To make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments,
The present invention will be further described in detail.However, it should be understood that specific embodiment described herein is only used to solve
The utility model is released, the range being not intended to limit the utility model.In addition, in the following description, being omitted to known features
With the description of technology, to avoid the concept of the utility model is unnecessarily obscured.
Refering to Fig. 3 to Fig. 5, the utility model embodiment provides a kind of crank mechanism for high-speed stretch machine, including song
Axis 1 and gear wheel 2, the bent axle 1 are connected with gear wheel 2, and counter weight construction 20 is provided on the gear wheel 2.
Wherein, the bent axle 1 be sequentially connected by front end input shaft 11, several crank throws 12 and rear end output shaft 13 and
At integral structure, the front end input shaft 11 connect with positioned at the crank throw 12 of forefront, the rear end output shaft 13 and
Crank throw 12 positioned at rearmost connects, and the crank throw 12 is by connecting rod neck 121 and the crank arm for being connected to 121 both ends of connecting rod neck
122 are constituted, and the front end input shaft 11 is connect with the crank arm 122 of the front side on the crank throw 12 of forefront, after described
End output shaft 13 on the crank throw 12 of rearmost on rear side of crank arm 122 connect, the gear wheel 2 is integrally formed knot
Structure is made of with the gear ring portion 22 for being set to 21 periphery of plectane portion plectane portion 21, and the plectane portion 21 is provided centrally with
Axis hole 23, the rear end output shaft 13 on the bent axle 1 are connected with the axis hole 23 on gear wheel 2, and the gear wheel 2 is in circle
Counter weight construction 20 is provided in plate portion 21.
Further, the counter weight construction 20 includes multiple cutting holes 201 in plectane portion 21 and a solid area
202, the equal uniform circular row setting of radiuses centered on axis hole 23 of multiple cutting holes 201 and a solid area 202 is described
Solid area 202 and crank throw 12 on connecting rod neck 121 be symmetrical arranged about the axis of rotation of bent axle 1.
Further, the counter weight construction 20 further includes round block 203, and the round block 203 is welded on plectane portion 21
On solid area 202.
In the utility model embodiment, the round block 203 is cut down from the cutting hole 201 in plectane portion 21
Orifice plate, 203 weight of round block being soldered in solid area 202 can carry out grinding or by multiple round blocks according to breeding
203 groups are welded in solid area 202, and to meet the needs of breeding, the quantity in the cutting hole 201 is 5.
As the another way of the present embodiment, an identical cutting hole 201 is also cut in solid area 202, then
Need one piece of welding or polylith to the solid area 202 according to counterweight the orifice plate cut down in other cutting holes 201
On cutting hole 201 in.When gear wheel 2 is not applied to crank mechanism, orifice plate can be removed and be used as conventional gear.
In the utility model embodiment, the quantity of crank throw 12 is 1, is connected by axle journal between adjacent two crank throws 12
It connects.
Refering to fig. 1 and Fig. 3, from the comparison of two figures it can be found that in the prior art by crank arm 122 with connecting rod neck
121 opposite sides extend, and such set-up mode necessarily increases the production cost of bent axle 1, and the huge structure of bent axle, with
Other mechanisms of current punching machine mismatch, other mechanisms on punching machine are also required to be designed according to the crankshaft structure after change,
Suitability is relatively low.
A kind of crank mechanism for high-speed stretch machine of the utility model, it is reasonable for structure, using by balance crankshaft mechanism
Counter weight construction is installed on gear wheel 2 rather than on bent axle 1, be ensure that 1 structure of bent axle is constant, is improved balance mechanism at present
It is arranged on bent axle 1, bent axle cost is caused to increase, and the huge structure of bent axle will have a direct impact on asking for other mechanisms of punching machine design
Topic.Gear general cutting hole that can be all cut into for lifting during production, and the orifice plate generated is cut as waste material
Directly give up, and the utility model is used for the cutting hole that lifts by cutting one less on gear wheel, and this cuts less
Axis of rotation of the position with the connecting rod neck 121 on crank throw 12 about bent axle 1 is symmetrical arranged, and is achieved the effect that balance crankshaft, may be used also
According to the needs of counterweight, the orifice plate cut down in hole will be cut and be soldered on the position cut less, cost can not be increased,
Can also waste utilization, while orifice plate is soldered on gear wheel 2, makes full use of the space of gear wheel 2, is not interfered with other mechanisms and is set
Meter has the effect of notable balance, material saving, adaptation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification, equivalent replacement or improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (9)
1. a kind of crank mechanism for high-speed stretch machine, including bent axle (1) and gear wheel (2), it is characterised in that：The song
Axis (1) is connected with gear wheel (2), and counter weight construction (20) is provided on the gear wheel (2).
2. a kind of crank mechanism for high-speed stretch machine as described in claim 1, it is characterised in that：The bent axle (1)
It is the integral structure being connected in sequence by front end input shaft (11), several crank throws (12) and rear end output shaft (13), it is described
Gear wheel (2) be an integral molding structure, be by plectane portion (21) and to be set to gear ring portion (22) structure of plectane portion (21) periphery
At the plectane portion (21) is provided centrally with axis hole (23), the rear end output shaft (13) on the bent axle (1) and gear wheel
(2) axis hole (23) on is connected, and the gear wheel (2) is provided with counter weight construction (20) on plectane portion (21).
3. a kind of crank mechanism for high-speed stretch machine as claimed in claim 2, it is characterised in that：The counter weight construction
(20) include multiple cutting holes (201) and a solid area (202) in plectane portion (21), multiple cutting holes
(201) it is arranged with a solid area (202) equal uniform circular row of radiuses centered on axis hole (23), the solid area
(202) axis of rotation with the connecting rod neck (121) on crank throw (12) about bent axle (1) is symmetrical arranged.
4. a kind of crank mechanism for high-speed stretch machine as claimed in claim 3, it is characterised in that：The counter weight construction
(20) further include round block (203), the round block (203) is welded on the solid area (202) in plectane portion (21).
5. a kind of crank mechanism for high-speed stretch machine as claimed in claim 4, it is characterised in that：The round block
(203) it is the orifice plate cut down at the cutting hole (201) of plectane portion (21).
6. a kind of crank mechanism for high-speed stretch machine as claimed in claim 3, it is characterised in that：The cutting hole
(201) quantity is 5.
7. a kind of crank mechanism for high-speed stretch machine as claimed in claim 2, it is characterised in that：The front end input
Axis (11) is connect with the crank throw (12) positioned at forefront, and the rear end output shaft (13) connects with the crank throw (12) positioned at rearmost
It connects.
8. a kind of crank mechanism for high-speed stretch machine as claimed in claim 7, it is characterised in that：The crank throw (12)
Be made of connecting rod neck (121) and the crank arm (122) for being connected to connecting rod neck (121) both ends, the front end input shaft (11) with
On the crank throw (12) of forefront front side crank arm (122) connection, the rear end output shaft (13) be located at rearmost
Crank throw (12) on rear side crank arm (122) connection.
9. a kind of crank mechanism for high-speed stretch machine as claimed in claim 2, it is characterised in that：The quantity of crank throw (12)
It is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614812.0U CN207736785U (en) | 2017-11-28 | 2017-11-28 | A kind of crank mechanism for high-speed stretch machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614812.0U CN207736785U (en) | 2017-11-28 | 2017-11-28 | A kind of crank mechanism for high-speed stretch machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207736785U true CN207736785U (en) | 2018-08-17 |
Family
ID=63116083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721614812.0U Expired - Fee Related CN207736785U (en) | 2017-11-28 | 2017-11-28 | A kind of crank mechanism for high-speed stretch machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207736785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016062A (en) * | 2017-11-28 | 2018-05-11 | 浙江东雄重工有限公司 | A kind of crank mechanism for high-speed stretch machine |
-
2017
- 2017-11-28 CN CN201721614812.0U patent/CN207736785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016062A (en) * | 2017-11-28 | 2018-05-11 | 浙江东雄重工有限公司 | A kind of crank mechanism for high-speed stretch machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20211128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |