CN112828223A - Novel power device applied to cold header - Google Patents
Novel power device applied to cold header Download PDFInfo
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- CN112828223A CN112828223A CN202110100841.XA CN202110100841A CN112828223A CN 112828223 A CN112828223 A CN 112828223A CN 202110100841 A CN202110100841 A CN 202110100841A CN 112828223 A CN112828223 A CN 112828223A
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- shaft
- transmission shaft
- swing arm
- gear
- cold header
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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Abstract
The invention relates to a novel power device applied to a cold header, which comprises a cold header body, wherein the cold header body comprises a machine body and a power output device used for providing the operation of the cold header, the power output device is arranged on the machine body, and the novel power device is characterized in that: the power output device comprises a motor and a gear rotating assembly powered by the motor, the gear rotating assembly comprises a first transmission shaft, the first transmission shaft is fixedly connected with an output shaft of the motor, a brake assembly used for stopping or reducing the speed of the first transmission shaft is arranged on the first transmission shaft, and the brake assembly is arranged at the shaft end of the first transmission shaft. The structure of this scheme design, overall design is reasonable, and the suitability is strong, uses reliable and stable, dismantles the convenient customer installation and the operation requirement that satisfies, the cost is also reduced simultaneously.
Description
Technical Field
The invention relates to the technical field of cold headers, in particular to a novel power device applied to a cold header.
Background
The cold header is special equipment which takes a pier as a main part and is specially used for producing fasteners such as nuts, bolts and the like in batches. According to the metal deformation theory, a certain pressure is applied to a metal blank at normal temperature to cause the metal blank to deform in a die cavity, and the metal blank is molded according to a specified shape and size.
Along with social development and technical progress, the cold header has requirements on the working reliability of a mechanism of the cold header and also has higher requirements on equipment maintenance and production, a power input device of the cold header is in a belt pulley transmission mode in the current market, for example, a main-mold rotary high-speed cold header disclosed in Chinese patent No. ZL 201510116241.7, wherein the power device comprises a driving motor, a gearbox, a crankshaft and an auxiliary shaft, the output end of the driving motor is connected with the gearbox, the output end of the gearbox is in driving connection with the crankshaft through a belt pulley and a transmission belt (not shown in the figure), and the crankshaft is in driving connection with the auxiliary shaft through a gear pair; the cold header disclosed in patent No. 201320409479.5, wherein the power mechanism comprises a motor with brake mounted at the end of the frame, a crankshaft and a countershaft arranged on the frame, a power gear set and an adjustable eccentric flange; the one end of bent axle and countershaft is passed through the meshing of power gear train and is connected, adjustable eccentric gear is equipped with to the pinion side of power gear train, the other end of bent axle is connected with the belt pulley and is connected with the motor through the belt pulley, the other end of countershaft is connected with feed mechanism through adjustable eccentric ring flange, the countershaft passes through the transmission structure and is connected with upsetting mechanism, shearing mechanism and material returning mechanism respectively, the bent axle passes through the bent axle connecting rod and is connected with upsetting mechanism.
The belt drive has the following disadvantages: the belt pulley transmission has elastic sliding and slipping, the transmission efficiency is low and the accurate transmission ratio cannot be maintained; when the belt pulley transmission transmits the same large circumferential force, the profile size and the axial pressure are larger than those of the meshing transmission, and the service life of the belt pulley transmission belt is shorter.
The present invention is an improvement in view of the above problems.
Disclosure of Invention
The invention provides a novel power device applied to a cold header, and aims to provide a power device which is reliable in operation, high in transmission precision, good in production stability and long in service life and solves the problem of slippage of the existing belt transmission. Low transmission efficiency and the like.
The technical scheme of the invention is realized as follows:
be applied to novel power device of cold heading machine, including the cold heading machine body, this cold heading machine body includes the fuselage and is used for providing cold heading machine moving power take off, and power take off installs on the fuselage its characterized in that: the power output device comprises a motor and a gear rotating assembly powered by the motor, the gear rotating assembly comprises a first transmission shaft, the first transmission shaft is fixedly connected with an output shaft of the motor, a brake assembly used for stopping or reducing the speed of the first transmission shaft is arranged on the first transmission shaft, and the brake assembly is arranged at the shaft end of the first transmission shaft.
Preferably, gear rotating assembly is including gear box, income power pinion and second group gear rotating assembly, and second group gear rotating assembly includes second transmission shaft, power gear wheel, power pinion and flywheel gear wheel, first transmission shaft and second transmission shaft all install at the gear box, income power pinion install through bloated tight adapter sleeve on the first transmission shaft, the power gear wheel install through bloated tight adapter sleeve on the second transmission shaft, the power gear wheel has the installation tip, foretell power pinion installs at the installation tip through bloated tight adapter sleeve, income power pinion and gear wheel mesh mutually, power pinion and flywheel gear wheel mesh mutually, form multistage gear drive structure.
Preferably, the first transmission shaft is provided with a mounting end part mounted on the gear box, the gear box is provided with a mounting groove seat, a bearing assembly is mounted on the outer end face of the mounting end part of the first transmission shaft, the outer end face of the bearing assembly is fixedly mounted with the mounting groove seat, the brake assembly mounted on the mounting end part comprises a drum brake disc, an expansion sleeve and a brake disc, the brake disc is fixed at the mounting end part of the first transmission shaft through the expansion sleeve, the drum brake disc is mounted outside the brake disc and fixed on the end face of the gear box through a buckle or a threaded connection, and the brake disc is braked through the drum brake disc to limit the rotating speed of the first transmission shaft.
Preferably, the drum brake disc adopts a pneumatic drum brake disc.
Preferably, the motor is a servo motor.
Preferably, the shaft end of the first transmission shaft is fixedly connected with the output shaft of the motor through a coupling.
Preferably, the device also comprises a linkage mechanism, the linkage mechanism comprises a main crankshaft, a connecting rod, a cam swing arm, a roller swing arm, an adjusting connecting rod, a driving swing arm and a rocker arm fixing shaft, the flywheel big gear is fixedly arranged on the main crankshaft, the eccentric wheel is arranged on the main crankshaft, one end of the connecting rod is connected on the eccentric wheel, the cam swing arm is fixed on the machine body through the cam mounting shaft, the cam swing arm is arranged on the cam mounting shaft, a roller swing arm mounting shaft is arranged at the adjacent side of the cam mounting shaft, the roller swing arm is arranged on the roller swing arm mounting shaft, the roller swing arm is provided with an upper connecting part and a driven part to be extruded, the cam swing arm is connected with the driving block, the driving block is butted with the driven part to be extruded, the left lower side of the upper installation part of the roller swing arm is located by the extrusion driving part of the roller swing arm, a reset component is installed below the driving swing arm, and the deviation wheel is driven to rotate through the rotation of the main crankshaft so that the connecting rod can reciprocate in the horizontal direction.
Preferably, the cam swing arm has a cam plate, the cam plate has a mounting end surface, the mounting end surface is provided with a cam plate fixing pin, the driving block is mounted on the mounting end surface through the cam plate fixing pin and has a contact arc surface, the extruded driving part has an inner fixing plate, an outer fixing plate, a shaft rod and a roller mounted on the shaft rod, the shaft rod is located between the inner fixing plate and the outer fixing plate, and both ends of the shaft rod are respectively mounted on the inner fixing plate and the outer fixing plate.
Preferably, the contact cambered surface is an outward supply cambered surface.
Preferably, the reset assembly comprises a cylinder connecting seat, a cylinder output shaft and a joint, the cylinder output shaft is arranged at the cylinder output end, the cylinder connecting seat is arranged on the machine body, the joint is connected with the cylinder output shaft, and the joint is arranged below the driving swing arm.
In conclusion, the scheme has the following characteristics: the scheme changes the prior belt transmission into gear transmission, can realize stable transmission, accurate transmission ratio, reliable work, high efficiency, long service life and large range of used power, speed and size.
The structure overall design is reasonable, the suitability is strong, the use is stable and reliable, the disassembly is convenient, the installation and use requirements of customers are met, and meanwhile, the cost is also reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the novel power plant of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in a bottom view;
FIG. 3 is a schematic view of the overall structure of the novel power plant of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a third schematic view of the overall structure of the novel power plant of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 5;
FIG. 9 is a schematic view of a gearbox configuration;
FIG. 10 is a schematic structural diagram of the overall outer frame of the cold header;
fig. 11 is a schematic structural view of the driving block and the pressed driving part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 11 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 11, the present embodiment is an improvement for the deficiency of the power input device of the existing cold header, specifically, the present embodiment replaces the previous belt transmission mechanism, the replacement scheme is transmission by adopting a gear manner, and the specifically adopted technical scheme is as follows:
the invention discloses a novel power device applied to a cold header, which comprises a cold header body, wherein the cold header body comprises a machine body 1 and a power output device used for providing the cold header to operate, the power output device is arranged on the machine body 1, the power output device comprises a motor 2 and a gear rotating assembly powered by the motor 2, the gear rotating assembly comprises a first transmission shaft 3, the first transmission shaft 3 is fixedly connected with an output shaft of the motor, a brake assembly used for stopping or reducing the speed of the first transmission shaft is arranged on the first transmission shaft, the brake assembly is arranged at the shaft end of the first transmission shaft, and the first transmission shaft 3 is used as a force input shaft.
In the scheme, high-pressure gas is injected, so that the brake pad 4-1 on the drum brake disc 4 tightly holds the brake disc 5, the drum brake is adopted, the transmission torque is large, the rapid and accurate braking function is realized, meanwhile, the external volume is small, the assembly and disassembly are convenient, the installation and the maintenance are convenient, and the defects caused by the existing belt pulley transmission are overcome.
The gear rotating assembly comprises a gear box 11, a force input pinion 12 and a second group of gear rotating assembly, the second group of gear rotating assembly comprises a second transmission shaft 6, a force output gearwheel 13, a force output pinion 7 and a flywheel gearwheel 9, the first transmission shaft 3 and the second transmission shaft 6 are both installed on the gear box, and the specific installation is as follows: the first transmission shaft 3 is provided with a first bearing seat 19 and a second bearing seat 15, the first bearing seat 19 is internally provided with a bearing 18, the second bearing seat 15 is internally provided with a bearing 16, the number of the bearings can be designed according to requirements, preferably two bearings are adopted on each bearing seat in the scheme, the second transmission shaft 6 is provided with a third bearing seat 24 and a fourth bearing seat 23, the third bearing seat 24 is internally provided with a bearing 21, the fourth bearing seat 23 is internally provided with a bearing 20, the operation stability can be further improved, and the play can be prevented, the input small gear 12 is arranged on the first transmission shaft 3 through an expansion connecting sleeve 17, the output large gear 13 is arranged on the second transmission shaft 6 through an expansion connecting sleeve 22, the output large gear 13 is provided with an installation end part 6-1, the output small gear 7 is arranged on the installation end part 6-1 through an expansion connecting sleeve 8, the input small gear 12 is meshed with the output large gear 13, and the output small gear 7 is meshed with the flywheel large gear 9 to form a multi-stage gear transmission structure, so that accurate transmission, reliable working efficiency and long service life are realized.
The first transmission shaft 3 is provided with a mounting end part 3-1 mounted on the gear box, the gear box 11 is provided with a mounting groove seat 11-1, a first mounting groove seat 11-2, a second mounting groove seat 11-3 and a third mounting groove seat 11-4, the second mounting groove seat 11-3 is matched with the first bearing seat 19, the first mounting groove seat 11-2 is matched with the fourth bearing seat 23, the third mounting groove seat 11-4 is matched with the third bearing seat 24, the outer end surface of the mounting end part of the first transmission shaft is provided with a bearing assembly, namely the bearing assembly, the bearing assembly is provided with the bearing assembly, the second bearing seat 15 and a bearing 16, the outer end surface of the bearing assembly is fixedly mounted with the mounting groove seat 11-1, the brake assembly mounted on the mounting end part comprises a drum brake disc 4, an expansion sleeve 14 and a brake disc 5, the brake disc 5 is fixed on the mounting end part 3-1 of the first transmission shaft through the expansion sleeve 14, the drum brake disc is mounted on the outside of the brake disc and fixed to the end face of the gear housing by means of a snap or screw connection, the brake disc being braked by the drum brake disc to limit the rotational speed of the first axis of rotation, it being noted that the gear housing 11 may be formed integrally with the other frame, see fig. 10.
The drum brake disc adopts a pneumatic drum brake disc. The brake disc 5 mounted on the upper end of the first transmission shaft is frictioned by using the static brake pad 4-1 in the brake disc to generate friction force to reduce the rotation speed of the first transmission shaft so as to realize braking or closing operation.
The pneumatic drum brake disc part of the scheme is simple to machine and form, low in manufacturing cost and capable of reducing cost, the brake disc is a disc, the brake disc adopts a surface contact mode to brake, and the brake effect is better.
The motor 2 is a servo motor. The servo motor is adopted as output power, so that the speed can be controlled, and the self-braking function can be realized by utilizing the characteristic of the servo motor, and the safety is improved. And the shaft end of the first transmission shaft is fixedly connected with an output shaft of the motor through a coupling. The shaft coupling in the above scheme is connected with the output shaft of the motor and the shaft end of the first transmission shaft, and the output shaft and the shaft end of the first transmission shaft are firmly connected and rotate together to transmit the motion and the torque of the motor.
In order to improve the stability of the operation of the working part, the device also comprises a linkage mechanism which is mainly used for driving one of the opening and closing mechanisms of the mold closing device, the prior structure is complex and occupies space, and unstable conditions are easy to occur in the execution process, the linkage mechanism comprises a main crankshaft 25, a connecting rod 31, a cam swing arm 32, a roller swing arm, an adjusting connecting rod 39, a driving swing arm 40 and a rocker arm fixing shaft 41, the flywheel big gear 9 is fixedly arranged on the main crankshaft 25, the main crankshaft 25 is provided with an eccentric wheel 30, one end of the connecting rod 31 is connected on the eccentric wheel 30, the cam swing arm 32 is fixed on the machine body through a cam mounting shaft 33, the adjacent side of the cam mounting shaft 33 is provided with the roller swing arm mounting shaft 39, the roller swing arm is arranged on the roller swing arm mounting shaft, the roller swing arm is, initiative drive block 35 with by extrusion drive division 37 inconsistent, go up installation department 38 with adjust connecting rod 39 one end and connect, adjust the connecting rod 39 other end and connect on initiative swing arm 40, initiative swing arm 40 is installed on rocking arm fixed axle 41, the gyro wheel swing arm be located the upper mounting department 38 left side downside of gyro wheel swing arm by extrusion drive division 37, initiative swing arm below install reset assembly, it is rotatory so that the connecting rod is reciprocating motion at the horizontal direction to drive the deviation wheel through main crankshaft rotation.
The reset assembly comprises a cylinder connecting seat 42, a cylinder 43, a cylinder output shaft 44 and a connector 45, wherein the cylinder output shaft 44 is arranged at the output end of the cylinder, the cylinder connecting seat 42 is arranged on the machine body, the connector 45 is connected with the cylinder output shaft, and the connector 45 is arranged below the driving swing arm. The reset assembly adopts a cylinder structure, so that the reset assembly is more stable, and the reset stability and accuracy are improved.
The cam swing arm is provided with a convex plate 34, the convex plate 34 is provided with an installation end surface 34-1, the installation end surface is provided with a convex plate fixing pin 34-2, an active driving block is installed on the installation end surface 34-1 through the convex plate fixing pin 34-2, the active driving block 35 is provided with a contact cambered surface 35-1, and the contact cambered surface is an outward supply cambered surface. The extruded driving part is provided with an inner fixing plate 37-1, an outer fixing plate 37-2, a shaft rod 37-4 and rollers 37-3 arranged on the shaft rod, wherein the shaft rod 37-4 is positioned between the inner fixing plate and the outer fixing plate, and the two ends of the shaft rod 37-4 are distributed on the inner fixing plate and the outer fixing plate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Be applied to novel power device of cold heading machine, including the cold heading machine body, this cold heading machine body includes the fuselage and is used for providing cold heading machine moving power take off, and power take off installs on the fuselage its characterized in that: the power output device comprises a motor and a gear rotating assembly powered by the motor, the gear rotating assembly comprises a first transmission shaft, the first transmission shaft is fixedly connected with an output shaft of the motor, a brake assembly used for stopping or reducing the speed of the first transmission shaft is arranged on the first transmission shaft, and the brake assembly is arranged at the shaft end of the first transmission shaft.
2. The novel power device applied to the cold header is characterized in that: gear rotating assembly is including gear box, income power pinion and second group gear rotating assembly, and second group gear rotating assembly includes second transmission shaft, power gear wheel, power pinion and flywheel gear wheel, first transmission shaft and second transmission shaft all install at the gear box, income power pinion install through bloated tight adapter sleeve on the first transmission shaft, the power gear wheel install through bloated tight adapter sleeve on the second transmission shaft, the power gear wheel has the installation tip, foretell power pinion installs at the installation tip through bloated tight adapter sleeve, income power pinion and power gear wheel mesh mutually, power pinion and flywheel gear wheel mesh mutually, form multistage gear drive structure.
3. The novel power device applied to the cold header as claimed in claim 2, wherein: the first transmission shaft is provided with an installation end part installed on the gear box, the gear box is provided with an installation groove seat, a bearing assembly is installed on the outer end face of the installation end part of the first transmission shaft, the outer end face of the bearing assembly is fixedly installed with the installation groove seat, the brake assembly installed on the installation end part comprises a drum type brake disc, an expansion sleeve and a brake disc, the brake disc is fixed at the installation end part of the first transmission shaft through the expansion sleeve, the drum type brake disc is installed outside the brake disc and fixed on the end face of the gear box through a buckle or threaded connection, and the brake disc is used for limiting the rotation speed of the first rotation shaft through the braking of the.
4. The novel power device applied to the cold header as claimed in claim 2 or 3, wherein: the drum brake disc adopts a pneumatic drum brake disc.
5. The novel power device applied to the cold header is characterized in that: the motor adopts a servo motor.
6. The novel power device applied to the cold header as claimed in any one of claims 1 to 5, wherein: and the shaft end of the first transmission shaft is fixedly connected with an output shaft of the motor through a coupling.
7. The novel power device applied to the cold header as claimed in any one of claims 2 to 5, wherein: the device also comprises a linkage mechanism, the linkage mechanism comprises a main crankshaft, a connecting rod, a cam swing arm, a roller swing arm, an adjusting connecting rod, a driving swing arm and a rocker arm fixing shaft, the flywheel big gear is fixedly arranged on the main crankshaft, the eccentric wheel is arranged on the main crankshaft, one end of the connecting rod is connected on the eccentric wheel, the cam swing arm is fixed on the machine body through the cam mounting shaft, the roller swing arm mounting shaft is arranged at the adjacent side of the cam mounting shaft, the roller swing arm is arranged on the roller swing arm mounting shaft, the roller swing arm is provided with an upper connecting part and an extruded driving part, the cam swing arm is connected with the driving block, the driving block is abutted against the extruded driving part, the upper mounting part is connected with one end of the adjusting connecting rod, the other end of the adjusting connecting rod is connected on the driving, the reset assembly is installed below the driving swing arm, and the main crankshaft rotates to drive the deflection wheel to rotate so that the connecting rod can reciprocate in the horizontal direction.
8. The novel power device applied to the cold header is characterized in that: the cam swing arm is provided with a convex plate, an installation end face is arranged on the convex plate, a convex plate fixing pin is installed on the installation end face, an active driving block is installed on the installation end face through the convex plate fixing pin and is provided with a contact arc face, the extruded driving part is provided with an inner fixing plate, an outer fixing plate, a shaft rod and a roller installed on the shaft rod, and the shaft rod is located between the inner fixing plate and the outer fixing plate, and the two ends of the shaft rod are installed on the inner fixing plate and the outer fixing plate in a distributed mode.
9. The novel power device applied to the cold header as claimed in claim 8, wherein: the contact cambered surface is an outward supply cambered surface.
10. The novel power device applied to the cold header is characterized in that: the reset assembly comprises a cylinder connecting seat, a cylinder output shaft and a joint, the cylinder output shaft is installed at the cylinder output end, the cylinder connecting seat is installed on the machine body, the joint is connected with the cylinder output shaft, and the joint is installed below the driving swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110100841.XA CN112828223A (en) | 2021-01-26 | 2021-01-26 | Novel power device applied to cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110100841.XA CN112828223A (en) | 2021-01-26 | 2021-01-26 | Novel power device applied to cold header |
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| Publication Number | Publication Date |
|---|---|
| CN112828223A true CN112828223A (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110100841.XA Pending CN112828223A (en) | 2021-01-26 | 2021-01-26 | Novel power device applied to cold header |
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| CN (1) | CN112828223A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101561A (en) * | 2021-09-22 | 2022-03-01 | 浙江东瑞机械工业有限公司 | Seven mould seven towards dysmorphism cold heading make-up machines |
| CN114433772A (en) * | 2022-02-28 | 2022-05-06 | 佛山市川湖电气有限公司 | Crankshaft snub system of cold header |
-
2021
- 2021-01-26 CN CN202110100841.XA patent/CN112828223A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101561A (en) * | 2021-09-22 | 2022-03-01 | 浙江东瑞机械工业有限公司 | Seven mould seven towards dysmorphism cold heading make-up machines |
| CN114433772A (en) * | 2022-02-28 | 2022-05-06 | 佛山市川湖电气有限公司 | Crankshaft snub system of cold header |
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