CN211539375U - Cam clutch type feeding mechanism for cold header - Google Patents
Cam clutch type feeding mechanism for cold header Download PDFInfo
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- CN211539375U CN211539375U CN201922283787.8U CN201922283787U CN211539375U CN 211539375 U CN211539375 U CN 211539375U CN 201922283787 U CN201922283787 U CN 201922283787U CN 211539375 U CN211539375 U CN 211539375U
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- feeding
- cam clutch
- fluted disc
- feeding transmission
- transmission
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Abstract
The utility model discloses a cam clutch type feeding mechanism for a cold header, which comprises a feeding rack, wherein the feeding rack is provided with a first transmission part, a second transmission part and feeding wheels, the first transmission part comprises four feeding transmission components, the feeding transmission components comprise driven shafts and first feeding transmission gear discs, the feeding wheels are fixed at the rear ends of the driven shafts of two first feeding transmission gear discs in the same group, and a gap convenient for clamping wires is reserved between the upper feeding wheel and the lower feeding wheel; the second transmission part comprises a cam clutch, a second feeding transmission fluted disc, a power shaft and a rocker arm, the second feeding transmission fluted disc is sleeved on an outer ring of the cam clutch, an inner ring of the cam clutch is sleeved on the power shaft, and the rocker arm is fixed on the outer side of the power shaft. The utility model discloses can not receive the angle restriction when the pay-off is not gone back, the precision of its graduation is high, satisfies the required precision of pay-off, has that the noise is low, stand wear and tear, change the advantage that the maintenance is convenient, long service life.
Description
Technical Field
The utility model relates to a cold heading machine pay-off technical field especially relates to a cam clutch formula feeding mechanism for cold heading machine.
Background
Most of feeding mechanisms of cold headers in the market at present are ratchet wheel type feeding mechanisms, the feeding mode is that an upper feeding wheel and a lower feeding wheel press wires, then a transmission mechanism drives a ratchet wheel and a gear to rotate and simultaneously drives the coaxial feeding wheels to convey the wires, and a corresponding adjusting mechanism controls a rotating angle so as to control the feeding length.
As shown in figure 1, the traditional ratchet wheel feeding mechanism drives a gear and a feeding wheel of the feeding mechanism to operate by a ratchet to realize feeding, the angle of a single ratchet 1 'is the highest precision of the feeding length, the feeding precision is not guaranteed and is mostly 3-5mm under the influence of the lifting and falling position of a pawl plate 2' during movement, the gap is larger after the equipment is worn, and high-precision products cannot be produced. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the conventional art, provide a cam clutch formula feeding mechanism for cold heading machine.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a cam clutch type feeding mechanism for a cold header comprises a feeding rack, wherein the feeding rack is provided with a first transmission part, a second transmission part and feeding wheels, the first transmission part comprises four feeding transmission components, each feeding transmission component consists of a driven shaft and a first feeding transmission gear disc fixed on the outer side of the driven shaft, the second transmission part comprises a cam clutch, a second feeding transmission gear disc, a power shaft and a rocker arm, the second feeding transmission gear disc is meshed with two first feeding transmission gear discs symmetrically distributed on the upper side of the second feeding transmission gear disc, the first feeding transmission gear discs are in the same group with the first feeding transmission gear discs meshed above the second feeding transmission gear discs, the feeding wheels are fixed at the rear ends of the driven shafts of the two first feeding transmission gear discs in the same group, a gap convenient for clamping wires is reserved between the upper feeding wheel and the lower feeding wheel, the second feeding transmission gear discs are sleeved on an outer ring of the cam clutch, cam rollers for realizing the one-way anti-reverse transmission function are uniformly arranged between the outer ring and the inner ring of the cam clutch, the inner ring of the cam clutch is sleeved on the power shaft, and the outer side of the power shaft is simultaneously fixed with a rocker arm.
Furthermore, in the cam clutch type feeding mechanism for the cold header, all the specifications of the first feeding transmission fluted discs are the same.
Further, in the cam clutch type feeding mechanism for the cold header, the outer diameter of the second feeding transmission fluted disc is larger than that of the first feeding transmission fluted disc.
Further, among the above-mentioned cam clutch formula feeding mechanism for cold heading machine, the outer end of rocking arm is equipped with the ear seat, the perforation has been seted up to the ear seat symmetry.
Further, in the cam clutch type feeding mechanism for the cold header, the power shaft is connected with the inner ring of the cam clutch through a convex key.
Further, in the cam clutch type feeding mechanism for the cold header, the power shaft is driven by the servo motor to rotate.
The utility model has the advantages that:
the utility model has the advantages of reasonable design, to ratchet's drawback, give up the ratchet transmission part, adopt cam clutch to replace, it possesses one-way anti-reverse drive function, the transmission moment of torsion is big, can full seat send required pulling force, can not receive the angle restriction like ratchet when its return stroke does not pay-off in addition, the precision of its graduation can reach 0.01 degree, satisfy the required precision of pay-off completely, have the noise low, stand wear and tear, it is convenient to change the maintenance, long service life's advantage.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a feeding mechanism of a cold header in the prior art;
fig. 2 is a schematic structural view of the feeding mechanism of the cold header of the present invention;
fig. 3 is a schematic side view of the feeding mechanism of the cold header of the present invention;
FIG. 4 is a partially enlarged schematic view of a cam clutch according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a feeding rack 1, a driven shaft 2, a first feeding transmission fluted disc 3, a rocker arm 4, a second feeding transmission fluted disc 5, a cam clutch 6, a cam roller 7, a feeding wheel 8 and a power shaft 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is a cam clutch type feeding mechanism for a cold header, which includes a feeding frame 1, wherein the feeding frame 1 is provided with a first transmission portion, a second transmission portion and a feeding wheel 8. The first transmission part comprises four feeding transmission components, and each feeding transmission component is composed of a driven shaft 2 and a first feeding transmission fluted disc 3 fixed on the outer side of the driven shaft. The second transmission part comprises a cam clutch 6, a second feeding transmission fluted disc 5, a power shaft 9 and a rocker arm 4, the second feeding transmission fluted disc 5 is meshed with two first feeding transmission fluted discs 3 symmetrically distributed on the upper side of the second feeding transmission fluted disc, the first feeding transmission fluted disc 3 is in the same group with the first feeding transmission fluted disc 3 meshed above the first feeding transmission fluted disc, the rear ends of the driven shafts 2 of the two first feeding transmission fluted discs 3 in the same group are fixedly provided with feeding wheels 8, and a gap convenient for clamping wires is reserved between the upper feeding wheel 8 and the lower feeding wheel 8. The second feeding transmission fluted disc 5 is sleeved on an outer ring of the cam clutch 6, cam rollers 7 used for realizing the one-way anti-reverse transmission function are uniformly arranged between the outer ring and an inner ring of the cam clutch 6, the inner ring of the cam clutch 6 is sleeved on a power shaft 9, and a rocker arm 4 is fixed on the outer side of the power shaft 9.
In this embodiment, all the first feeding transmission toothed discs 3 have the same specification, and the outer diameter of the second feeding transmission toothed disc 5 is larger than that of the first feeding transmission toothed disc 3.
In this embodiment, the outer end of the rocker arm 4 is provided with ear seats, and the ear seats are symmetrically provided with through holes.
In this embodiment, the power shaft 9 is connected to the inner race of the cam clutch 6 by a key. The power shaft 9 is rotated by a servo motor.
One specific application of this embodiment is: the ratchet drive part is abandoned to the drawback of ratchet mechanism to this embodiment structural design is reasonable, adopts cam clutch 6 to replace, and it possesses one-way anti-reverse drive function, and transmission torque is big, can send required pulling force full seat, can not receive the angle restriction like ratchet mechanism in addition when its return stroke does not pay-off, and the precision of its graduation can reach 0.01 degree, satisfies the required precision of pay-off completely, has the noise low, stand wear and tear, change the advantage that the maintenance is convenient, long service life.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a cam clutch formula feeding mechanism for cold heading machine, includes the pay-off frame, the pay-off frame is equipped with first transmission part, second transmission part and feeding wheel, first transmission part contains four pay-off drive assembly, pay-off drive assembly comprises driven shaft and the first pay-off drive fluted disc of fixing in its outside, its characterized in that: the second transmission part comprises a cam clutch, a second feeding transmission fluted disc, a power shaft and a rocker arm, the second feeding transmission fluted disc is mutually meshed with two first feeding transmission fluted discs symmetrically distributed on the upper side of the second feeding transmission fluted disc, the first feeding transmission fluted disc and the first feeding transmission fluted disc meshed above the first feeding transmission fluted disc are in the same group, the rear ends of the central shafts of the two first feeding transmission fluted discs in the same group are fixedly provided with feeding wheels, the upper feeding wheels and the lower feeding wheels are provided with gaps convenient for clamping wires, the second feeding transmission fluted disc is sleeved on an outer ring of the cam clutch, cam rollers used for realizing one-way anti-reverse transmission function are uniformly arranged between the outer ring and an inner ring of the cam clutch, the inner ring of the cam clutch is sleeved on the second cam roller, and the rocker arm is simultaneously fixed on the outer side of the power shaft.
2. The cam clutch feed mechanism of claim 1, wherein: all the first feeding transmission fluted discs have the same specification.
3. The cam clutch feed mechanism of claim 1, wherein: the outer diameter of the second feeding transmission fluted disc is larger than that of the first feeding transmission fluted disc.
4. The cam clutch feed mechanism of claim 1, wherein: the outer end of the rocker arm is provided with ear seats, and the ear seats are symmetrically provided with through holes.
5. The cam clutch feed mechanism of claim 1, wherein: and the power shaft is connected with the inner ring of the cam clutch through a convex key.
6. The cam clutch feed mechanism of claim 1, wherein: the power shaft is driven by the servo motor to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922283787.8U CN211539375U (en) | 2019-12-18 | 2019-12-18 | Cam clutch type feeding mechanism for cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922283787.8U CN211539375U (en) | 2019-12-18 | 2019-12-18 | Cam clutch type feeding mechanism for cold header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211539375U true CN211539375U (en) | 2020-09-22 |
Family
ID=72507198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922283787.8U Active CN211539375U (en) | 2019-12-18 | 2019-12-18 | Cam clutch type feeding mechanism for cold header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211539375U (en) |
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2019
- 2019-12-18 CN CN201922283787.8U patent/CN211539375U/en active Active
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