CN213117354U

CN213117354U - Gear speed reduction's drive mechanism

Info

Publication number: CN213117354U
Application number: CN202022097853.5U
Authority: CN
Inventors: 邓洪均; 邓万年
Original assignee: Guangdong Taijixin Machinery Co ltd
Current assignee: Guangdong Taijixin Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-04
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a gear reduction transmission mechanism, which relates to the field of mechanical equipment and comprises a driving shaft, a first driven shaft and a second driven shaft which are arranged in a rotary fit way, wherein the driving shaft is provided with a reduction gear, the first driven shaft is provided with a crank shaft gear, the second driven shaft is provided with a through shaft gear, the reduction gear, the crank shaft gear and the through shaft gear are mutually meshed, the table is provided with a motor for driving the driving shaft, the crank shaft gear is provided with a first eccentric wheel, the first eccentric wheel is provided with a cutter connecting rod in a rotary fit way, the table is provided with a cutter frame, the cutter frame is internally provided with a cutter sliding plate in a sliding fit way, the cutter sliding plate is mutually hinged with the cutter connecting rod, the cutter sliding plate is internally provided with a vertical cutter bar mandrel in a rotary fit way, the cutter sliding plate is pressed at the front side of the cutter bar mandrel, the table is provided with a through rocker in a rotating fit manner, and the rocker connecting rod is hinged with the through rocker.

Description

Gear speed reduction's drive mechanism

Technical Field

The utility model belongs to the technical field of mechanical equipment and specifically relates to a drive mechanism of gear reduction is related to.

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 and bolts in batches. The reduction transmission mechanism for the cold header on the market is generally realized by using a belt pulley transmission mode, and has the following defects: 1. the design structure of the machine table is complex; 2. the occupied space of the belt pulley is large; 3. the transmission force is insufficient; 4. the transmission is unstable, the phenomenon of vibration is easy to occur, and the noise is large; 5. a plurality of motors are needed to drive corresponding parts to operate, the phenomenon of asynchronism is easy to occur, and the assembly and debugging are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A transmission mechanism with gear reduction comprises a table, a driving shaft, a first driven shaft and a second driven shaft are installed in the table in a rotating fit mode, the front ends of the driving shaft, the first driven shaft and the second driven shaft are arranged correspondingly to the table, a reduction gear is fixedly installed at the front end of the driving shaft, a crankshaft gear is fixedly installed at the front end of the first driven shaft, a through shaft gear is fixedly installed at the front end of the second driven shaft, the reduction gear is meshed with the crankshaft gear, the crankshaft gear is meshed with the through shaft gear, a motor is fixedly installed on the table and drives the driving shaft to rotate, a first eccentric wheel is fixedly installed at the front side of the crankshaft gear, a cutter connecting rod is installed at the front end of the first eccentric wheel in a rotating fit mode, a cutter rest is fixedly installed at the front side of the table, a sliding groove is formed in the side edge of the cutter rest, a cutter sliding plate is installed in the sliding fit mode in the, the cutter arbor dabber of vertical setting is installed to cutter frame normal running fit, and the cutter slide is pressed in the front side of cutter arbor dabber, and the rear side fixed mounting who leads to out the shaft gear has the second eccentric wheel, and the rocking arm connecting rod is installed to running fit on the second eccentric wheel, and the leading to out rocking arm is installed to the front side running fit of this platform, and the left end of rocking arm connecting rod and the upper end of leading to out the rocking arm are running fit each other.

As a further aspect of the present invention: the cutter frame includes cutter seat and apron, cutter seat fixed mounting is in the front side of this platform, apron fixed mounting is in the front side of cutter seat, sliding fit installs pole dabber locating rack around in the cutter seat, the upper and lower both ends of cutter pole dabber correspond normal running fit and install in pole dabber locating rack, the shaping has the through-hole on the apron, sliding fit installs the pressing spindle in the through-hole, the setting of staggering from top to bottom between pressing spindle and the cutter slide, the rear end and the pole dabber locating rack reciprocal anchorage of pressing spindle, the front end fixed mounting of pressing spindle has the location limit, the spring is installed to the butt between location limit and the cutter frame.

As a further aspect of the present invention: the through-hole is provided with two, and the compressing shaft corresponds the through-hole and is provided with two, and the cutter slide is located between two compressing shafts.

As a further aspect of the present invention: the upper end and the lower end of the cutter bar mandrel are both provided with bearings in a matching way, and the bearings are arranged in the positioning frame of the mandrel.

As a further aspect of the present invention: the apron setting all extends at the upper and lower both ends on location limit, and the equal fixed mounting in upper and lower both sides of cutter seat has the spring locating piece, and the spring is equipped with two of longitudinal symmetry, and the spring corresponds the butt and installs between location limit and spring locating piece.

As a further aspect of the present invention: the rear end of the driving shaft is arranged through the table, a large belt pulley is fixedly mounted at the rear end of the driving shaft, a small belt pulley is fixedly mounted at the rotor of the motor, and a transmission belt is mounted between the large belt pulley and the small belt pulley in a matching manner.

As a further aspect of the present invention: the diameter of the reduction gear is smaller than that of the crankshaft gear, and the diameter of the through shaft gear is the same as that of the crankshaft gear.

Compared with the prior art, the beneficial effects of the utility model are that: the principle is as follows: the motor drives the reduction gear to rotate through the driving wheel, and the reduction gear drives the crankshaft gear and the through shaft gear to rotate; when the crankshaft gear rotates, the cutter sliding plate is driven to slide left and right at the sliding groove of the cutter frame through the first eccentric wheel and the cutter connecting rod, the cutter sliding plate drives the cutter bar mandrel to rotate when moving, and the reduction gear drives other mechanisms to complete respective functions, so that the traditional speed reduction mode only using a belt pulley is replaced, the structure of the table is greatly simplified, the space is saved, the transmission force is increased, the speed is reduced in a gear meshing mode, the transmission is more stable and reliable, and the vibration and noise generated by the operation of a machine are effectively reduced; when the through-out shaft gear rotates, the through-out rocker arm is driven to swing left and right through the second eccentric wheel and the rocker arm connecting rod, so that the through-out effect of the main mold is achieved, the through-out rocker arm is arranged outside the table, and the assembly and the debugging of the whole machine are facilitated.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the present invention.

Fig. 3 is a schematic structural diagram of the hidden table of the present invention.

Fig. 4 is an exploded view of the cutting blade holder of the present invention.

Fig. 5 is the utility model discloses be applied to cold heading machine's schematic structure.

Shown in the figure: 1. the table is provided; 2. a drive shaft; 3. a first driven shaft; 4. a second driven shaft; 5. a reduction gear; 6. a crankshaft gear; 7. an output shaft gear; 8. a motor; 9. a first eccentric wheel; 10. a cutter connecting rod; 11. a cutter frame; 12. a chute; 13. a cutter sliding plate; 14. cutting a cutter bar mandrel; 15. a second eccentric wheel; 16. a rocker arm connecting rod; 17. leading out the rocker arm; 11-1, a cutter seat; 11-2, a cover plate; 18. a rod core shaft positioning frame; 19. a through hole; 20. a pressing shaft; 21. positioning the edge; 22. a spring; 23. a bearing; 24. a spring positioning block; 25. a large belt pulley; 26. a small belt pulley; 27. a drive belt.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a gear reduction transmission mechanism comprises a table 1, a driving shaft 2, a first driven shaft 3 and a second driven shaft 4 are rotatably mounted in the table 1, the front ends of the driving shaft 2, the first driven shaft 3 and the second driven shaft 4 are correspondingly arranged to pass through the table 1, a reduction gear 5 is fixedly mounted at the front end of the driving shaft 2, a crank gear 6 is fixedly mounted at the front end of the first driven shaft 3, a through shaft gear 7 is fixedly mounted at the front end of the second driven shaft 4, the reduction gear 5 is meshed with the crank gear 6, the crank gear 6 is meshed with the through shaft gear 7, a motor 8 is fixedly mounted on the table 1, the driving shaft 2 is driven by the motor 8 to rotate, a first eccentric wheel 9 is fixedly mounted at the front side of the crank gear 6, a cutter rod 10 is rotatably mounted at the front end of the first eccentric wheel 9 in a matched manner, a cutter holder 11 is fixedly mounted at the front side of the, a sliding groove 12 is formed in the side edge of the cutter frame 11, a cutter sliding plate 13 is installed in the sliding groove 12 in a sliding fit mode, the right end of the cutter sliding plate 13 is in mutual rotating fit with the left end of the cutter connecting rod 10, a vertically arranged cutter bar core shaft 14 is installed in the cutter frame 11 in a rotating fit mode, the cutter sliding plate 13 is pressed on the front side of the cutter bar core shaft 14, a second eccentric wheel 15 is fixedly installed on the rear side of the through-out shaft gear 7, a rocker arm connecting rod 16 is installed on the second eccentric wheel 15 in a rotating fit mode, an through-out rocker arm 17 is installed on the front side of the table 1 in a rotating fit mode, and the left end of the rocker arm connecting rod 16;

the principle is as follows: the motor 8 drives the reduction gear 5 to rotate through the driving wheel 2, and the reduction gear 5 drives the crankshaft gear 6 and the through shaft gear 7 to rotate; when the crankshaft gear 6 rotates, the first eccentric wheel 9 and the cutter connecting rod 10 drive the cutter sliding plate 13 to slide left and right at the sliding groove 12 of the cutter frame 11, the cutter sliding plate 13 drives the cutter bar core shaft 14 to rotate when moving, and the reduction gear 5 drives other mechanisms to complete respective functions, so that the traditional speed reduction mode only using belt pulleys is replaced, the structure of the table 1 is greatly simplified, the space is saved, the transmission force is increased, and the speed is reduced in a gear meshing mode, so that the transmission is more stable and reliable, and the vibration and noise generated by the operation of a machine are effectively reduced; when the through-out shaft gear 7 rotates, the through-out rocker arm 17 is driven to swing left and right through the second eccentric wheel 15 and the rocker arm connecting rod 16, so that the main die through-out effect is achieved, the through-out rocker arm 17 is arranged outside the table 1, and the assembly and the debugging of the whole machine are facilitated.

As a further aspect of the present invention: the cutting knife rest 11 comprises a cutting knife seat 11-1 and a cover plate 11-2, the cutting knife seat 11-1 is fixedly arranged on the front side of the cutting knife seat 1, the cover plate 11-2 is fixedly arranged on the front side of the cutting knife seat 11-1, a rod mandrel positioning frame 18 is arranged in the cutting knife seat 11-1 in a front-back sliding fit mode, the upper end and the lower end of a cutting knife mandrel 14 are correspondingly and rotatably arranged in the rod mandrel positioning frame 18 in a matched mode, a through hole 19 is formed in the cover plate 11-2, a pressing shaft 20 is arranged in the through hole 19 in a sliding fit mode, the pressing shaft 20 and a cutting knife sliding plate 13 are arranged in a staggered mode from top to bottom, the rear end of the pressing shaft 20 and the rod mandrel positioning frame 18 are mutually fixed, a positioning edge 21 is fixedly arranged at the; the setting of spring 22 can let cutter arbor dabber 14 keep pressing in the rear side of cutter slide 13, can ensure to drive cutter arbor dabber 14 when cutter slide 13 moves and rotate, has increased the transmission dynamics.

As a further aspect of the present invention: two through holes 19 are formed, two pressing shafts 20 are arranged corresponding to the through holes 19, and the cutter sliding plate 13 is positioned between the two pressing shafts 20; the sliding positioning of the rod mandrel positioning frame 18 is more stable, and the phenomenon that the rod mandrel positioning frame 18 is displaced to cause the cutter bar mandrel 14 to be incapable of rotating is avoided.

As a further aspect of the present invention: bearings 23 are arranged at the upper end and the lower end of the cutter bar mandrel 14 in a matched manner, and the bearings 23 are arranged in the mandrel positioning frame 18; making the rotation of the cutting arbor 14 within the arbor positioning bracket 18 more stable.

As a further aspect of the present invention: the upper end and the lower end of the positioning edge 21 extend out of the cover plate 11-2 to be arranged, the upper side and the lower side of the cutter seat 11-1 are fixedly provided with two spring positioning blocks 24, the two springs 22 are vertically symmetrical, and the springs 22 are correspondingly abutted and arranged between the positioning edge 21 and the spring positioning blocks 24; the installation of the spring 22 is more stable, the upper spring 22 and the lower spring 22 can enable the cutter bar core shaft 14 to better press the cutter sliding plate 13, and the transmission force is increased.

As a further aspect of the present invention: the rear end of the driving shaft 2 is arranged through the table 1, a large belt pulley 25 is fixedly arranged at the rear end of the driving shaft 2, a small belt pulley 26 is fixedly arranged at the rotor of the motor 8, and a transmission belt 27 is arranged between the large belt pulley 25 and the small belt pulley 26 in a matching manner; the rotation speed of the rotor of the motor 8 is reduced preliminarily through the arrangement of the small belt pulley 26 and the large belt pulley 25, the arrangement of the transmission belt 27 can avoid the hard impact of the motor 8, and the service life of the motor 8 is prolonged.

As a further aspect of the present invention: the diameter of the reduction gear 5 is smaller than that of the crankshaft gear 6, the reduction is realized through the meshing of the reduction gear 5 and the crankshaft gear 6, the diameter of the through shaft gear 7 is the same as that of the crankshaft gear 6, the rotating speeds of the through shaft gear 7 and the crankshaft gear 6 are the same, and the movement of the cutter sliding plate 13 and the movement of the through rocker arm 17 are mutually synchronous.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a drive mechanism of gear reduction, includes this platform, and driving shaft, first driven shaft and second driven shaft, its characterized in that are installed to this internal rotation cooperation: the front ends of the driving shaft, the first driven shaft and the second driven shaft are correspondingly arranged on the table, a reduction gear is fixedly mounted at the front end of the driving shaft, a crankshaft gear is fixedly mounted at the front end of the first driven shaft, a through shaft gear is fixedly mounted at the front end of the second driven shaft, the reduction gear is meshed with the crankshaft gear, the crankshaft gear is meshed with the through shaft gear, a motor is fixedly mounted on the table and drives the driving shaft to rotate, a first eccentric wheel is fixedly mounted at the front side of the crankshaft gear, a cutter connecting rod is mounted at the front end of the first eccentric wheel in a rotating fit mode, a cutter frame is fixedly mounted at the front side of the table, a sliding groove is formed in the side edge of the cutter frame, a cutter sliding plate is mounted in the sliding groove in a sliding fit mode, the right end of the cutter sliding plate is in a rotating fit with the left end of the cutter connecting rod, a cutter bar mandrel, a second eccentric wheel is fixedly installed on the rear side of the through shaft gear, a rocker arm connecting rod is installed on the second eccentric wheel in a rotating fit mode, a through rocker arm is installed on the front side of the platform in a rotating fit mode, and the left end of the rocker arm connecting rod is in rotating fit with the upper end of the through rocker arm.

2. A gear reduction transmission according to claim 1, wherein: the cutter frame includes cutter seat and apron, cutter seat fixed mounting is in the front side of this platform, apron fixed mounting is in the front side of cutter seat, sliding fit installs pole dabber locating rack around in the cutter seat, the upper and lower both ends of cutter pole dabber correspond normal running fit and install in pole dabber locating rack, the shaping has the through-hole on the apron, sliding fit installs the pressing spindle in the through-hole, the setting of staggering from top to bottom between pressing spindle and the cutter slide, the rear end and the pole dabber locating rack reciprocal anchorage of pressing spindle, the front end fixed mounting of pressing spindle has the location limit, the spring is installed to the butt between location limit and the cutter frame.

3. A gear reduction transmission according to claim 2, wherein: the through-hole is provided with two, and the compressing shaft corresponds the through-hole and is provided with two, and the cutter slide is located between two compressing shafts.

4. A gear reduction transmission according to claim 2, wherein: the upper end and the lower end of the cutter bar mandrel are both provided with bearings in a matching way, and the bearings are arranged in the positioning frame of the mandrel.

5. A gear reduction transmission according to claim 2, wherein: the apron setting all extends at the upper and lower both ends on location limit, and the equal fixed mounting in upper and lower both sides of cutter seat has the spring locating piece, and the spring is equipped with two of longitudinal symmetry, and the spring corresponds the butt and installs between location limit and spring locating piece.

6. A gear reduction transmission according to claim 1, wherein: the rear end of the driving shaft is arranged through the table, a large belt pulley is fixedly mounted at the rear end of the driving shaft, a small belt pulley is fixedly mounted at the rotor of the motor, and a transmission belt is mounted between the large belt pulley and the small belt pulley in a matching manner.

7. A gear reduction transmission according to claim 1, wherein: the diameter of the reduction gear is smaller than that of the crankshaft gear, and the diameter of the through shaft gear is the same as that of the crankshaft gear.