CN207615561U - A kind of cold heading machine straightening device - Google Patents
A kind of cold heading machine straightening device Download PDFInfo
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- CN207615561U CN207615561U CN201721567324.9U CN201721567324U CN207615561U CN 207615561 U CN207615561 U CN 207615561U CN 201721567324 U CN201721567324 U CN 201721567324U CN 207615561 U CN207615561 U CN 207615561U
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- hollow
- straightener roll
- straightener
- roll
- heading machine
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Abstract
The utility model discloses a kind of cold heading machine straightening devices, it is intended to solve the problem of for avoid reversing blank due to frictional force is excessive and can not the straightener cube of setting angle or the straightener cube of larger area, its key points of the technical solution are that：A kind of cold heading machine straightening device, including rack, drive the feed wheel of blank linear forward and the straightening roller group that is rotationally connected in rack, the straightening roller group is provided with the Power Component of its rotation of driving, the straightening roller group includes the hollow straightener roll of even number head and the tail rotation connection, the rotation direction of the two neighboring hollow straightener roll is opposite, at least provided with four straightener cubes in each hollow straightener roll, the straightener cube contacts at blank surface.A kind of cold heading machine straightening device of the utility model is allowed to cancel out each other, to have the multiple straightener cubes of installation, to improve the condition of straightening effect by generating blank the frictional force in multiple and different directions.
Description
Technical field
The utility model is related to rivet production equipment fields, more specifically, it relates to a kind of cold heading machine straightening device.
Background technology
Cold headers are the special equipments that the fasteners such as batch production nut, bolt, rivet are specifically used to based on upsetting, due to
What the blank of making fastener was usually folded, therefore must be first by blank straightening before processing fastener；The prior art
Cold rut machine machine straightening device generally adjusts the straightness of blank by several idler wheels, since blank is during straightening, only
It is acted on by the power of idler wheel horizontal direction, therefore it is small to may be only available for length there is no complete straightening the blank of bolt, screw
The fasteners such as bolt, screw；With the development of industrial automation, bolt, screw, the specification requirement of rivet are higher and higher, long
Degree variation bigger is unable to reach product for long size bolt, screw, rivet using the cold forging machine of prior art machine straightening device
Quality requirement, therefore scrappage is very high, and prodigious economic loss is caused to enterprise.
A kind of cold heading machine straightening device that the Chinese patent that notification number is CN100506425C is announced, is characterized in that：
It is controlled by motor including horizontal stand, the feed wheel for driving blank linear forward, hollow straightener roll and transmission mechanism, feed wheel
Rotation, hollow straightener roll are driven by transmission mechanism, several straightener cubes of setting in hollow straightener roll, and blank is driven by feed wheel to be entered
Into hollow straightener roll, by the extruding straightening of straightener cube, since straightener cube follows hollow straightener roll to rotate together, to blank
During mobile in hollow straightener roll, straightener cube carries out straightening processing in the form of circumference to blank, reaches the effect of straightening
Fruit is better than the effect of single horizontal direction straightening.
It is solved in said program since blank is only by the active force of idler wheel horizontal direction, blank is caused not adjusted completely
Straight problem, but since straightener cube needs extrusion billet to carry out straightening, it is inevitably present certain friction between the two
Power must then reduce the quantity of straightener cube in order to avoid blank follows straightener cube to rotate because of frictional force, to reduce contact
The form of area reduces frictional force, but since the straightening of blank needs to realize by straightener cube, the lazy weight of straightener cube
Or area is too small, will result directly in the ineffective problem generation of the straightening of blank.
Therefore need to propose a kind of new scheme to solve the problems, such as this.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of cold heading machine straightening device, lead to
The frictional force for generating multiple and different directions to blank is crossed, is allowed to cancel out each other, to have the multiple straightener cubes of installation, to improve
The condition of straightening effect.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of cold heading machine straightening dress
Set, including rack, drive blank linear forward feed wheel and the straightening roller group that is rotationally connected in rack, the straightener roll
Group is provided with the Power Component of its rotation of driving, and the straightening roller group includes the hollow straightener roll of even number head and the tail rotation connection,
The rotation direction of the two neighboring hollow straightener roll is on the contrary, at least provided with four straightening in each hollow straightener roll
Block, the straightener cube contact at blank surface.
By using above-mentioned technical proposal, blank straight ahead, embryo material is driven to pass through straightening roller group, straightener roll by feed wheel
Group rotates synchronously, and the straightener cube being set in each hollow straightener roll carries out three-dimensional straightening to blank and handles, due to adjacent
The rotation direction of two hollow straightener rolls is different so that the straightener cube in each hollow straightener roll caused by blank for rubbing
Force direction is different so that the frictional force of these different directions can cancel out each other, to there is no concern that because straightener cube is excessive, cause
The case where frictional force is excessive, torsion blank occurs, and to install more straightener cubes, improves machine straightening device and the straightening of blank is imitated
Fruit.
The utility model is further arranged to：The straightening roller group includes four hollow straightener rolls, and it is hollow to be followed successively by first
Straightener roll, the second hollow straightener roll, the hollow straightener roll of third and the 4th hollow straightener roll.
By using above-mentioned technical proposal, four hollow straightener rolls are set, two rotate clockwise, and two turn counterclockwise
It is dynamic, if the straightener cube in each hollow straightener roll is identical for the pressure of blank, then after frictional force is cancelled out each other, straightener roll
Group will reach blank circumferencial direction the technique effect of zero frictional force.
The utility model is further arranged to：Hollow straightener roll one end periphery offers link slot, described hollow
The straightener roll other end is provided with the interconnecting piece coordinated with link slot.
By using above-mentioned technical proposal, it is socketed in link slot by the way that interconnecting piece is arranged, to connect two adjacent skies
Heart straightener roll so that two neighboring hollow straightener roll only has the mobility mutually rotated, effectively prevent adjacent hollow straightening
There is a situation where detach for roller.
The utility model is further arranged to：Each hollow straightener roll is rotationally connected with by being provided with bearing block
In rack.
By using above-mentioned technical proposal, setting bearing block is on the one hand to the height of padded hollow straightener roll, with right
On the other hand the axis of quasi- cold-heading machine inlet and hollow straightener roll is because bearing block, which has, turns round sensitive characteristic so that
The rotation of each hollow straightener roll is more smooth.
The utility model is further arranged to：The Power Component include be set to the 4th hollow straightener roll periphery from
Moving gear and the motor being fixedly connected in rack, the motor are provided with the driving gear engaged with driven gear.
By using above-mentioned technical proposal, motor control actively rotates, and driving gear cooperates with driven gear, generates
Twisting resistance drives the 4th hollow straightener roll rotation.
The utility model is further arranged to：Between the first hollow straightener roll and the second hollow straightener roll, it is second empty
It is both provided with use between heart straightener roll and the hollow straightener roll of third and between the hollow straightener roll of third and the 4th hollow straightener roll
In the bevel gear set of transmission, the bevel gear set includes being respectively arranged at the bevel gear of each hollow straightener roll connecting pin and dividing
The drive bevel gear not engaged with two bevel gears, the drive bevel gear are rotationally connected in rack.
By using above-mentioned technical proposal, motor drives the 4th hollow straightener roll to rotate clockwise, due to bevel gear set
It is driven the ability for having and changing rotation direction, the hollow straightener roll of third rotates counterclockwise, and the second hollow straightener roll rotates clockwise,
First hollow straightener roll rotates counterclockwise, to realize the opposite technical need of two neighboring hollow straightener roll rotation direction.
The utility model is further arranged to：The first hollow straightener roll arrival end and the 4th hollow straightener roll outlet end
It is both provided with bearing.
By using above-mentioned technical proposal, bearing is set in arrival end and outlet end, avoid entrance end and straightener cube it
Between there are difference in height, subregion is in vacant state after blank leaves straightener cube, it may occur however that the phenomenon that slight bending, to
Influence straightening effect.
The utility model is further arranged to：The first hollow straightener roll arrival end is provided with fixed pulley, described to determine cunning
Wheel top is on the extension line of hollow straightening roll axis.
By using above-mentioned technical proposal, fixed pulley is set in the first hollow straightener roll arrival end, the height of blank is carried
It is raised to contour with straightening roller group axis, and because fixed pulley has the ability of rotation, the frictional force of periphery and blank will not
It is excessive, prevent abrasion blank；If being not provided with fixed pulley, blank will generate larger friction with the first hollow straightener roll arrival end
Power causes to wear blank.
In conclusion the utility model has the advantages that：
First, by the way that the inconsistent hollow straightener roll of multiple rotation directions is formed a straightening roller group, it is made mutually to support
Straightener cube disappear for the frictional force on blank circumferencial direction, avoid because frictional force is excessive reverse blank the case where occur, to
Have the multiple straightener cubes of installation or increase the condition of straightener cube, to improve straightening effect；
Second, bearing is arranged at entrance end, avoid blank because part section is in vacant state, slight torsion occurs；
By the way that fixed pulley is arranged for the axis to preformed body and straightening roller group in arrival end, blank is avoided to be worn in charging.
Description of the drawings
Fig. 1 is the overall structure of the utility model, the main external structural characteristics for indicating machine straightening device；
Fig. 2 is the portions the A enlarged diagram of Fig. 1, the main structure for indicating bevel gear set；
Fig. 3 is the sectional view of the utility model, the main inner structural features for indicating straightening roller group；
Fig. 4 is the portions the B enlarged diagram of Fig. 3, main to indicate that bearing and the cooperation of straightening roller group arrival end and outlet end close
System；
Fig. 5 is the portions the C enlarged diagram of Fig. 3, mainly indicates the matching relationship of two neighboring hollow straightener roll.
Fig. 6 is the utility model and schematic diagram when cold headers cooperating；
In figure：1, rack；11, feed wheel；21, straightening roller group；22, hollow straightener roll；221, the first hollow straightener roll；
222, the second hollow straightener roll；223, the hollow straightener roll of third；224, the 4th hollow straightener roll；23, straightener cube；24, link slot；
25, interconnecting piece；26, bearing block；27, driven gear；28, motor；29, driving gear；31, bevel gear；32, drive bevel gear；
33, bearing；34, fixed pulley.
Specific implementation mode
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of cold heading machine straightening device, as shown in Figure 1, Figure 3, including rack 1, the feed wheel 11 for driving blank linear forward
And it is rotationally connected with the straightening roller group 21 in rack 1, wherein straightening roller group 21 is provided with the Power Component of its rotation of driving, adjusts
Straight roller group 21 includes the hollow straightener roll 22 of four head and the tail rotation connections, is followed successively by the first hollow straightener roll 221, the second hollow tune
Straight roller 222, hollow 223 and the 4th hollow straightener roll 224 of straightener roll of third, the rotation direction of two neighboring hollow straightener roll 22
On the contrary, there are four straightener cubes 23, straightener cube 23 to contact at blank surface, and its mutual court for setting in each hollow straightener roll 22
To face be arc；Blank straight ahead, embryo material is driven to pass through straightening roller group 21 by feed wheel 11, straightening roller group 21 is by power packages
Part, which drives, to be rotated synchronously, and the straightener cube 23 being set in each hollow straightener roll 22 carries out three-dimensional straightening to blank and handles,
Since the rotation direction of two neighboring hollow straightener roll 22 is different so that the straightener cube 23 in each hollow straightener roll 22 is for base
Direction on circumferencial direction produced by material is different so that and the frictional force of these different directions can cancel out each other, to
The case where not having to concern because straightener cube 23 is excessive or area is excessive, causing frictional force excessive, reverse blank occurs, to install more
More straightener cubes 23 carries out straightening processing, improves straightening effect of the machine straightening device for blank.
To prevent hollow straightener roll 22 to be detached from, as shown in figure 5,22 one end periphery of hollow straightener roll offers connection
Slot 24, the other end are provided with the interconnecting piece 25 coordinated with link slot 24, are socketed in link slot 24 by interconnecting piece 25, to
Under the premise of avoiding hollow straightener roll 22 that improper disengaging occurs so that each hollow straightener roll 22 has the energy mutually rotated
Power；As shown in Figure 1, the rotation direction due to each hollow straightener roll 22 is different, so needing individually to be rotationally connected with rack 1
On, each hollow straightener roll 22 is rotationally connected with by being provided with bearing block 26 in rack 1, is on the one hand because of bearing block 26
On the other hand the characteristic small with sensitive frictional force is rotated can lead to ensure that the smoothness of the rotation of hollow straightener roll 22
The mode for crossing padded bearing block 26 is directed at the feed inlet of straightening roller group 21 and cold headers so that alignment is more convenient.
Power Component as shown in Figure 1 and Figure 2, including is set to the driven gear 27 of 224 periphery of the 4th hollow straightener roll
And it is fixedly connected on the motor 28 in rack 1, motor 28 is provided with the driving gear 29 engaged with driven gear 27, motor 28
Driving gear 29 is driven to rotate counterclockwise, driving gear 29 and cooperation control 224 up time of the 4th hollow straightener roll of driven gear 27
Needle rotates；The rotation direction difference of two neighboring hollow straightener roll 22 is accomplished in the following manner, the first hollow straightener roll 221 with
Between second hollow straightener roll 222, between the second hollow straightener roll 222 and the hollow straightener roll of third 22 and the hollow straightening of third
The bevel gear set for transmission is both provided between roller 223 and the 4th hollow straightener roll 224, bevel gear set includes being respectively arranged at
The bevel gear 31 of each 22 connecting pin of hollow straightener roll and the drive bevel gear 32 engaged respectively with two bevel gears 31, transmission
Bevel gear 32 is rotationally connected in rack 1, and motor 28 drives the 4th hollow straightener roll 224 to rotate clockwise, due to bevel gear set
Transmission there is the ability for changing rotation direction, the hollow straightener roll of third 223 to rotate counterclockwise, the second hollow straightener roll 222 is suitable
Hour hands rotate, and the first hollow straightener roll 221 rotates counterclockwise, two neighboring hollow to can be realized by a Power Component
The opposite technical need of straightener roll rotation direction.
To avoid because, there are difference in height, blank leaves subregion after straightener cube 23 between straightening roller group 21 and straightener cube 23
In vacant state, it may occur however that slight the phenomenon that bending, to influence straightening effect, as shown in Figure 3, Figure 4, the first hollow tune
Straight 221 arrival end of roller and 224 outlet end of the 4th hollow straightener roll are both provided with bearing 33, and the same of difference in height is avoided by bearing 33
When, since bearing 33 itself has the function of reducing frictional force, without generating excessive rub to blank because bearing 33 are arranged
Wipe power；To avoid blank that unnecessary abrasion occurs when entering straightening roller group 21, as shown in fig. 6, the first hollow straightener roll 221
Arrival end is provided with fixed pulley 34, and 34 top of the fixed pulley is on the extension line of 22 axis of hollow straightener roll, thus by base
The elevated height of material is to contour with 21 axis of straightening roller group, and because fixed pulley 34 has the ability of rotation, periphery and base
The frictional force of material will not be excessive, effectively prevent abrasion blank；If being not provided with fixed pulley 34, blank will be with the first hollow straightener roll
221 arrival ends generate larger frictional force, cause to wear blank.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of cold heading machine straightening device, including rack（1）, driving blank linear forward feed wheel（11）And rotation connection
In rack（1）On straightening roller group（21）, it is characterised in that：The straightening roller group（21）It is provided with the power packages of its rotation of driving
Part, the straightening roller group（21）Include the hollow straightener roll of even number head and the tail rotation connection（22）, the two neighboring hollow tune
Straight roller（22）Rotation direction on the contrary, each hollow straightener roll（22）Inside at least provided with four straightener cubes（23）, institute
State straightener cube（23）Contact at blank surface.
2. a kind of cold heading machine straightening device according to claim 1, it is characterised in that：The straightening roller group（21）Including four
A hollow straightener roll（22）, it is followed successively by the first hollow straightener roll（221）, the second hollow straightener roll（222）, the hollow straightener roll of third
（223）And the 4th hollow straightener roll（224）.
3. a kind of cold heading machine straightening device according to claim 1, it is characterised in that：The hollow straightener roll（22）One end
Periphery offers link slot（24）, the hollow straightener roll（22）The other end is provided with and link slot（24）The interconnecting piece of cooperation
（25）.
4. a kind of cold heading machine straightening device according to claim 1, it is characterised in that：Each hollow straightener roll（22）
By being provided with bearing block（26）It is rotationally connected with rack（1）On.
5. a kind of cold heading machine straightening device according to claim 2, it is characterised in that：The Power Component includes being set to
4th hollow straightener roll（224）The driven gear of periphery（27）And it is fixedly connected on rack（1）On motor（28）, described
Motor（28）It is provided with and driven gear（27）The driving gear of engagement（29）.
6. a kind of cold heading machine straightening device according to claim 5, it is characterised in that：The first hollow straightener roll
（221）With the second hollow straightener roll（222）Between, the second hollow straightener roll（222）With the hollow straightener roll of third（223）Between with
And the hollow straightener roll of third（223）With the 4th hollow straightener roll（224）Between be both provided with bevel gear set for transmission, it is described
Bevel gear set includes being respectively arranged at each hollow straightener roll（22）The bevel gear of connecting pin（31）And teeth are bored with two respectively
Wheel（31）The drive bevel gear of engagement（32）, the drive bevel gear（32）It is rotationally connected with rack（1）On.
7. a kind of cold heading machine straightening device according to claim 2, it is characterised in that：The first hollow straightener roll
（221）Arrival end and the 4th hollow straightener roll（224）Outlet end is both provided with bearing（33）.
8. a kind of cold heading machine straightening device according to claim 2, it is characterised in that：The first hollow straightener roll
（221）Arrival end is provided with fixed pulley（34）, the fixed pulley（34）Top is in hollow straightener roll（22）The extension line of axis
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567324.9U CN207615561U (en) | 2017-11-21 | 2017-11-21 | A kind of cold heading machine straightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721567324.9U CN207615561U (en) | 2017-11-21 | 2017-11-21 | A kind of cold heading machine straightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207615561U true CN207615561U (en) | 2018-07-17 |
Family
ID=62829567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721567324.9U Expired - Fee Related CN207615561U (en) | 2017-11-21 | 2017-11-21 | A kind of cold heading machine straightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207615561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358852A (en) * | 2023-12-08 | 2024-01-09 | 泰州市凯威不锈钢制品有限公司 | Stainless steel wire straightening device with adjusting function |
-
2017
- 2017-11-21 CN CN201721567324.9U patent/CN207615561U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358852A (en) * | 2023-12-08 | 2024-01-09 | 泰州市凯威不锈钢制品有限公司 | Stainless steel wire straightening device with adjusting function |
| CN117358852B (en) * | 2023-12-08 | 2024-02-06 | 泰州市凯威不锈钢制品有限公司 | Stainless steel wire straightening device with adjusting function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 Termination date: 20211121 |