CN211710094U

CN211710094U - Heterodromous multistage transmission structure of high-precision punch eccentric shaft

Info

Publication number: CN211710094U
Application number: CN202020169602.0U
Authority: CN
Inventors: 袁继文
Original assignee: Shandong Dige Heavy Industry Machinery Co ltd
Current assignee: Shandong Dige Heavy Industry Machinery Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-10-20
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a high-accuracy punch press eccentric shaft incorgruous multistage transmission structure belongs to accessory technical field for the punch press, including the eccentric shaft, be connected with the dead lever on the eccentric shaft, the one end that the eccentric shaft was kept away from to the dead lever is connected with the connecting rod, and the one end that the dead lever was kept away from to the connecting rod is connected with the transfer line, and the one end that the connecting rod was kept away from to the transfer line is connected with butt joint end, and the both sides that the dead lever was kept away from mutually all are equipped with: through being equipped with the connecting rod to the dead lever extension, increase the interval between dead lever and the transfer line, avoid receiving wearing and tearing, the dead lever passes through spacing groove cooperation nut to connecting rod one end spacing fixed, avoids the dislocation, through being equipped with the transfer line between connecting rod and butt joint end, during the transmission, through the flexible answer effect of spring beam, reduces and pulls the power, avoids the fracture, has buffering cushioning effect simultaneously, improves stability, overall structure is reasonable, the practicality is high, great improvement characteristics such as life.

Description

Heterodromous multistage transmission structure of high-precision punch eccentric shaft

Technical Field

The utility model relates to an eccentric shaft, in particular to high-accuracy punch press eccentric shaft incorgruous multistage transmission structure belongs to accessory technical field for the punch press.

Background

The punch press, exactly it is a punching press formula press, in national production, the punching press technology is owing to have material saving and energy than traditional machining, high efficiency, not high and can make the product that machining can't reach through various mould applications to operator technical requirement, therefore its usage is more and more extensive, the eccentric shaft is the important accessory of punch press, generally fix on motor rotation axle through the eccentric orfice, when the motor starts, do cam motion, but most eccentric shaft transmission structure is too simple today, can not carry out the incorgruous multistage transmission, great reduction the practicality, traditional transmission structure, generally be connecting rod and butt joint end direct drive, in transmission process, stability is relatively poor, easily impaired, short scheduling problem of life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-accuracy punch press eccentric shaft incorgruous multistage transmission structure to solve most eccentric shaft transmission structure now that provide in the above-mentioned background art too simple, can not carry out incorgruous multistage transmission, great reduction the practicality, stability is relatively poor simultaneously, easily impaired, short service life scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the anisotropic multistage transmission structure for the eccentric shaft of the high-precision punch comprises the eccentric shaft, wherein a fixed rod is connected onto the eccentric shaft, one end, away from the eccentric shaft, of the fixed rod is connected with a connecting rod, one end, away from the fixed rod, of the connecting rod is connected with a transmission rod, one end, away from the connecting rod, of the transmission rod is connected with a butt joint end, and nuts are arranged on two sides, away from the fixed rod, of the two sides respectively and are far away.

As a preferred technical proposal of the utility model, the fixed rod comprises a sleeve opening which is arranged at one end of the fixed rod, the other end of the fixed rod is provided with a limit groove, the two sides of the fixed rod far away from each other are both provided with through holes and far away from the sleeve opening, the connecting rod comprises a fixed screw rod, both sides of one end of the connecting rod are fixedly connected with the fixed screw rod, one side of the other end of the connecting rod is provided with a movable groove, the transmission rod comprises a first supporting rod and a second supporting rod, a spring rod is arranged between the first supporting rod and the second supporting rod, one side of the first supporting rod and one side of the second supporting rod are both fixedly connected with a connecting shaft, the two inside walls that first branch and second branch kept away from mutually all are equipped with the spout, the equal fixedly connected with stopper in both ends that the spring beam kept away from mutually just arranges first branch and second branch in, the equal fixedly connected with a plurality of slider in both sides that the stopper kept away from mutually.

As a preferred technical scheme of the utility model, the one end of dead lever is passed through the cover oral area and is overlapped rather than fixed connection on the eccentric shaft, the one end of connecting rod corresponds with the spacing groove of dead lever, and alternates the perforation that corresponds through clamping screw, the nut is fixed with clamping screw threaded connection.

As an optimal technical scheme of the utility model, the activity groove swing joint of connecting axle and connecting rod is passed through to one side of first branch, one side of second branch is passed through connecting axle and butt joint end swing joint.

As a preferred technical scheme of the utility model, the extension end at spring lever both ends alternates rather than swing joint in first branch and the second branch, the stopper both sides are passed through the stopper and are passed through the spout sliding connection that first branch or second branch correspond.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a high-accuracy punch press eccentric shaft incorgruous multistage transmission structure, through being equipped with the connecting rod to the dead lever extension, increase the interval between dead lever and the transfer line, avoid receiving wearing and tearing, the dead lever passes through spacing groove fit nut to connecting rod one end spacing fixed, avoid the dislocation, through being equipped with the transfer line between connecting rod and butt joint end, during the transmission, through the flexible reply effect of spring beam, reduce and drag the power, avoid splitting, the buffering cushioning effect has simultaneously, stability is improved, the overall structure is reasonable, high practicability, great improvement characteristics such as life.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the fixing rod of the present invention;

FIG. 3 is a schematic perspective view of the connecting rod of the present invention;

fig. 4 is a schematic plan sectional structure view of the transmission rod of the present invention.

In the figure: 1. an eccentric shaft; 2. fixing the rod; 3. a connecting rod; 4. a transmission rod; 5. a butt joint end; 6. a nut; 21. looping; 22. a limiting groove; 23. perforating; 31. fixing the screw rod; 32. a movable groove; 41. a first support bar; 42. a second support bar; 43. a spring lever; 44. a connecting shaft; 45. a chute; 431. a limiting block; 432. a slide block.

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. 1-4, the utility model provides a high-precision punch press eccentric shaft incongruous multistage transmission structure, including eccentric shaft 1, be connected with dead lever 2 on the eccentric shaft 1, the one end that dead lever 2 kept away from eccentric shaft 1 is connected with connecting rod 3, and the one end that dead lever 2 was kept away from to connecting rod 3 is connected with transfer line 4, and the one end that connecting rod 3 was kept away from to transfer line 4 is connected with butt joint end 5, and the both sides that dead lever 2 kept away from mutually all are equipped with nut 6 and keep away from mutually with eccentric shaft.

The fixed rod 2 comprises a sleeve opening 21, the sleeve opening 21 is arranged at one end of the fixed rod 2, the other end of the fixed rod 2 is provided with a limiting groove 22, two sides of the fixed rod 2 far away from each other are provided with through holes 23 and far away from the sleeve opening 21, the connecting rod 3 comprises a fixed screw 31, two sides of one end of the connecting rod 3 are fixedly connected with the fixed screw 31, one side of the other end of the connecting rod 3 is provided with a movable groove 32, the transmission rod 4 comprises a first supporting rod 41 and a second supporting rod 42, a spring rod 43 is arranged between the first supporting rod 41 and the second supporting rod 42, one side of the first supporting rod 41 and one side of the second supporting rod 42 are fixedly connected with a connecting shaft 44, two inner side walls of the first supporting rod 41 and the second supporting rod 42 far away from each other are provided with sliding grooves 45, two ends of the spring rod 43 far away from each other are fixedly connected with limiting blocks 431 and arranged in, one end of a fixed rod 2 is sleeved on the eccentric shaft 1 through a sleeve opening 21 and fixedly connected with the eccentric shaft, one end of a connecting rod 3 corresponds to a limiting groove 22 of the fixed rod 2, a corresponding through hole 23 is inserted through a fixed screw 31, a nut 6 is fixedly connected with the fixed screw 31 through threads, the fixed rod 2 is lengthened through the connecting rod 3, the distance between the fixed rod 2 and a transmission rod 4 is increased, abrasion is avoided, the fixed rod 2 is limited and fixed to one end of the connecting rod 3 through the limiting groove 22 and the nut 6, dislocation is avoided, one side of a first supporting rod 41 is movably connected with a movable groove 32 of the connecting rod 3 through a connecting shaft 44, one side of a second supporting rod 42 is movably connected with an abutting end 5 through the connecting shaft 44, extending ends at two ends of a spring rod 43 are inserted into the first supporting rod 41 and the second supporting rod 42 and are movably connected with the first supporting rod 41 and the second supporting rod 42, through being equipped with transfer line 4 between connecting rod 3 and butt joint end 5, during the transmission, through the flexible reply effect of spring beam 43, reduce and drag the power, avoid the fracture, have buffering cushioning effect simultaneously, improve stability.

When specifically using, the utility model relates to a high-accuracy punch press eccentric shaft incorgruous multistage transmission structure, eccentric shaft 1 passes through motor drive, eccentric shaft 1 drives dead lever 2 and rotates, dead lever 2 is fixed through nut 6 with 3 one ends of connecting rod, nut 6 extends through connecting rod 3, avoid transfer line 4 and dead lever 2 too compact, cause wearing and tearing, spacing groove 22 is spacing to 3 one ends of connecting rod, avoid the dislocation, connecting rod 3 transmits butt joint end 5 through transfer line 4, transfer line 4 is when the transmission, through the flexible answer effect of spring beam 43, alleviate the power of dragging, improve the toughness of transfer line 4, avoid the fracture, the effect of buffering vibration has simultaneously, the extension end of spring beam 43 passes through the spacing slip of

stopper

431 and 45 that first branch 41 or second branch 42 inner wall correspond, and stability is improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Claims

1. The anisotropic multi-stage transmission structure of the eccentric shaft of the high-precision punch press is characterized by comprising the eccentric shaft (1), wherein a fixing rod (2) is connected onto the eccentric shaft (1), one end, away from the eccentric shaft (1), of the fixing rod (2) is connected with a connecting rod (3), one end, away from the fixing rod (2), of the connecting rod (3) is connected with a transmission rod (4), one end, away from the connecting rod (3), of the transmission rod (4) is connected with a butt joint end (5), and nuts (6) are arranged on two sides, away from the fixing rod (2), and are away from the eccentric shaft (1).

2. The anisotropic multistage transmission structure of a high precision punch press eccentric shaft according to claim 1, wherein the fixing rod (2) comprises a looping (21), the looping (21) is arranged at one end of the fixing rod (2), the other end of the fixing rod (2) is provided with a limiting groove (22), two sides of the fixing rod (2) far away are provided with through holes (23) and far away from the looping (21), the connecting rod (3) comprises a fixing screw (31), two sides of one end of the connecting rod (3) are fixedly connected with the fixing screw (31), one side of the other end of the connecting rod (3) is provided with a movable groove (32), the transmission rod (4) comprises a first supporting rod (41) and a second supporting rod (42), a spring rod (43) is arranged between the first supporting rod (41) and the second supporting rod (42), one side of the first supporting rod (41) and one side of the second supporting rod (42) are fixedly connected with a connecting shaft (44), two inside walls that first branch (41) and second branch (42) kept away from mutually all are equipped with spout (45), the equal fixedly connected with stopper (431) in both ends that spring beam (43) kept away from mutually just arrange first branch (41) and second branch (42) in, the equal fixedly connected with a plurality of slider (432) in both sides that stopper (431) kept away from mutually.

3. The anisotropic multistage transmission structure of a high precision punch press eccentric shaft according to claim 2, characterized in that one end of the fixed rod (2) is sleeved on the eccentric shaft (1) through a sleeve opening (21) and is fixedly connected with the eccentric shaft, one end of the connecting rod (3) corresponds to the limit groove (22) of the fixed rod (2), and the corresponding through hole (23) is inserted through the fixed screw (31), and the nut (6) is fixed with the fixed screw (31) in a threaded connection.

4. The anisotropic multistage transmission structure of a high precision punch press eccentric shaft according to claim 2, characterized in that one side of the first support rod (41) is movably connected with the movable groove (32) of the connecting rod (3) through a connecting shaft (44), and one side of the second support rod (42) is movably connected with the butt end (5) through the connecting shaft (44).

5. The anisotropic multistage transmission structure of a high precision punch press eccentric shaft according to claim 2, characterized in that the extending ends of the two ends of the spring rod (43) are inserted into the first support rod (41) and the second support rod (42) and movably connected with the first support rod and the second support rod, and the two sides of the limited block (431) are slidably connected with the corresponding sliding grooves (45) of the first support rod (41) or the second support rod (42) through the limited block (431).