阅读说明：本技术 一种高传动精度的旋转工位传动机构 (High transmission precision's rotatory station drive mechanism ) 是由 谷兆勇 樊明伟 谷存士 杨晓强 于 2020-07-01 设计创作，主要内容包括：本发明公开了一种高传动精度的旋转工位传动机构,包括设置于数控冲床表面的主动轮装置、上张紧轮装置、上涡轮副、下涡轮副、下张紧轮装置以及压紧轮装置。本发明结构设计合理,整个装置结构简单,减少了安装的时间,提高了生产效率；可以实现一根同步带带动上下涡轮副动作完成两个旋转工位同步动作,避免了因多条同步带配合使用带来的精度误差,提高了冲压设备的精度,减少了因精度问题带来的成本增加；通过电动的方式可以调节对同步带的张紧,也可以通过调节压缩弹簧推动压紧轮压紧同步带的力度,能够更精确的调节同步带的张紧,以便于能够更好的进行运转工作。(The invention discloses a high-transmission-precision rotary station transmission mechanism which comprises a driving wheel device, an upper tension wheel device, an upper turbine pair, a lower tension wheel device and a pinch roller device, wherein the driving wheel device, the upper tension wheel device, the upper turbine pair, the lower tension wheel device and the pinch roller device are arranged on the surface of a numerical control punch. The invention has reasonable structural design, simple structure of the whole device, reduced installation time and improved production efficiency; the synchronous action of the two rotating stations can be completed by driving the upper and lower turbine pairs to act by one synchronous belt, so that the precision error caused by the matching use of a plurality of synchronous belts is avoided, the precision of the stamping equipment is improved, and the cost increase caused by the precision problem is reduced; can adjust the tensioning to the hold-in range through electronic mode, also can promote the pinch roller through adjusting compression spring and compress tightly the dynamics of hold-in range, the tensioning of regulation hold-in range that can be more accurate to the operation that moves that can be better works.)

1. A high-transmission-precision rotary station transmission mechanism comprises a driving wheel device (1), an upper tension wheel device (2), an upper turbine pair (3), a lower turbine pair (4), a lower tension wheel device (5) and a compression wheel device (7) which are arranged on the surface of a numerical control punch press, and is characterized in that the driving wheel device (1), the upper tension wheel device (2), the upper turbine pair (3), the lower turbine pair (4), the lower tension wheel device (5) and the compression wheel device (7) are jointly connected through a synchronous belt (6) in a transmission manner, the driving wheel device (1) comprises a main mounting seat (11) fixedly connected on the surface of the numerical control punch press, a motor connecting shaft (15), a servo motor (12), a driving wheel (13), a driven wheel (14) and an optical axis (22) are arranged on the main mounting seat (11), an output shaft of the servo motor (12) is coaxially and fixedly connected with the motor connecting, the motor is characterized in that the two ends of the motor connecting shaft (15) are connected with the main mounting seat (11) through a first bearing (8) and a second bearing (9), the driving wheel (13) is coaxially and fixedly connected with the motor connecting shaft (15), and the driven wheel (14) is coaxially arranged with the optical axis (22) through a bearing (10).

2. A high transmission accuracy rotary station transmission as claimed in claim 1, characterized in that the centre plane of the driving wheel (13) coincides with the centre plane of the driven wheel (14).

3. A high transmission precision rotary station transmission mechanism as claimed in claim 2, characterized in that said upper tension wheel device (2) comprises an upper mounting seat (21) fixedly connected to the surface of the numerical control press, and said upper mounting seat (21) is provided with a first upper driven wheel (23) and a second upper driven wheel (24).

4. A high transmission precision rotary station transmission mechanism according to claim 3, characterized in that the lower tension wheel device (5) comprises a lower mounting seat (51) fixedly connected to the surface of the numerical control press, and the lower mounting seat (51) is provided with a first lower driven wheel (52) and a second lower driven wheel (53).

5. The high-transmission-precision rotary station transmission mechanism is characterized in that the pressing wheel device (7) comprises a pressing seat (71) fixedly connected to the surface of the numerical control punch press, a device cavity (718) is formed inside the pressing seat (71), a motor (78) is fixedly connected to the outer side of the pressing seat (71), the tail end of an output shaft of the motor (78) extends into the device cavity (718) and is fixedly connected with a second threaded rod (713), a nut (715) is sleeved on the second threaded rod (713) and is in threaded connection with the second threaded rod, guide blocks (716) are fixedly connected to two sides of the nut (715), two guide grooves (717) matched with the guide blocks (716) are symmetrically formed in the inner side of the device cavity (718), and a connecting plate (714) is fixedly connected to the upper side of the nut (715), the upper side of the pressing seat (71) is provided with an adjusting plate (75) capable of moving back and forth, the inner top of the device cavity (718) is provided with a strip-shaped opening (73) for a connecting plate (714) to pass through, one side of the connecting plate (714) far away from the nut (715) is fixedly connected with the adjusting plate (75), an adjusting cavity (74) is arranged inside the adjusting plate (75), the front side of the adjusting plate (75) is provided with a pressing wheel (72), and an adjusting mechanism for adjusting the pressing force of the pressing wheel (72) is arranged inside the adjusting cavity (74).

6. A high transmission accuracy rotary station transmission as claimed in claim 5, wherein said guide block (716) is located inside the guide slot (717) and is slidably connected to the guide slot.

7. A high transmission accuracy rotary station transmission mechanism as claimed in claim 6, the adjusting mechanism comprises a supporting plate (711) which is arranged in the adjusting cavity (74) and can move back and forth, the side wall of the abutting plate (711) is fixedly connected with a sliding rod (712), one end of each of the two sliding rods (712) far away from the abutting plate (711) extends to the outside of the adjusting cavity (74) and is fixedly connected with a pinch roller (72) together, the interior of the adjusting cavity (74) is also provided with a sliding plate (76) which can move forwards and backwards, the sliding plate (76) and the abutting plate (711) are elastically connected through two compression springs (710), a first threaded rod (79) penetrates through the side wall of the adjusting plate (75), the two are in threaded connection, one outward end of the first threaded rod (79) is fixedly connected with a rotary block (77), one end of the first threaded rod (79), which is far away from the rotating block (77), is rotatably connected with the sliding plate (76).

8. The high-transmission-precision rotary station transmission mechanism is characterized in that an upper synchronous pulley (31) is arranged on the upper turbine pair (3), and a lower synchronous pulley (41) is arranged on the lower turbine pair (4).

9. The high-transmission-precision rotary station transmission mechanism is characterized in that the synchronous belt (6) sequentially passes through the outer side of the driving wheel (13), the outer side of the first upper driven wheel (23), the pressing wheel (72), the upper synchronous pulley (31), the inner side of the second upper driven wheel (24), the inner side of the driven wheel (14), the inner side of the first lower driven wheel (52), the lower synchronous pulley (41), the outer side of the second lower driven wheel (53) and the outer side of the driving wheel (13) to form a closed transmission loop.

Technical Field

The invention relates to the technical field of numerical control punches, in particular to a rotary station transmission mechanism with high transmission precision.

Background

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a high-transmission-precision rotary station transmission mechanism which can realize that one synchronous belt drives an upper turbine pair and a lower turbine pair to move to complete synchronous movement of two rotary stations, thereby avoiding precision errors caused by the matching use of a plurality of synchronous belts, improving the precision of stamping equipment and reducing the cost increase caused by the precision problem; meanwhile, the whole device has a simple structure, so that the installation time is reduced, and the production efficiency is improved; can adjust the tensioning to the hold-in range through electronic mode, also can promote the pinch roller through adjusting compression spring and compress tightly the dynamics of hold-in range, the tensioning of regulation hold-in range that can be more accurate to the operation that moves that can be better works.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rotary station transmission mechanism with high transmission precision, which comprises a driving wheel device, an upper tension wheel device, an upper turbine pair, a lower tension wheel device and a pinch roller device which are arranged on the surface of a numerical control punch, the driving wheel device, the upper tension wheel device, the upper turbine pair, the lower tension wheel device and the pinch roller device are jointly connected in a transmission way through a synchronous belt, the driving wheel device comprises a main mounting seat fixedly connected to the surface of the numerical control punch, a motor connecting shaft, a servo motor, a driving wheel, a driven wheel and an optical axis are arranged on the main mounting seat, the output shaft of the servo motor is coaxially and fixedly connected with a motor connecting shaft, two ends of the motor connecting shaft are respectively connected with the main mounting seat through a first bearing and a second bearing, the driving wheel is coaxially and fixedly connected with the motor connecting shaft, and the driven wheel is coaxially arranged with the optical axis through a bearing.

Preferably, the central plane of the driving wheel coincides with the central plane of the driven wheel.

Preferably, the upper tensioning wheel device comprises an upper mounting seat fixedly connected to the surface of the numerical control punch, and a first upper driven wheel and a second upper driven wheel are arranged on the upper mounting seat.

Preferably, the lower tensioning wheel device comprises a lower mounting seat fixedly connected to the surface of the numerical control punch, and a first lower driven wheel and a second lower driven wheel are arranged on the lower mounting seat.

Preferably, the pressing wheel device comprises a pressing seat fixedly connected to the surface of the numerical control punch, a device cavity is arranged inside the pressing seat, a motor is fixedly connected to the outer side of the pressing seat, the tail end of an output shaft of the motor extends into the device cavity and is fixedly connected with a second threaded rod, a nut is sleeved on the second threaded rod and is in threaded connection with the second threaded rod, guide blocks are fixedly connected to two sides of the nut, two guide grooves matched with the guide blocks are symmetrically arranged on the inner side of the device cavity, a connecting plate is fixedly connected to the upper side of the nut, an adjusting plate capable of moving back and forth is arranged on the upper side of the pressing seat, a strip-shaped opening for the connecting plate to pass through is arranged at the top of the inner part of the device cavity, the adjusting plate is fixedly connected to one side of the connecting plate far away from the nut, an adjusting cavity is, and an adjusting mechanism for adjusting the compression force of the compression wheel is arranged in the adjusting cavity.

Preferably, the guide block is located inside the guide groove, and the guide block and the guide groove are connected in a sliding mode.

Preferably, the adjusting mechanism comprises a supporting plate which is arranged in the adjusting cavity and can move back and forth, the side wall of the supporting plate is fixedly connected with slide rods, one ends, far away from the supporting plate, of the two slide rods extend to the outside of the adjusting cavity and are fixedly connected with a pressing wheel together, a sliding plate which can move back and forth is further arranged in the adjusting cavity, the sliding plate and the supporting plate are elastically connected through two compression springs, a first threaded rod penetrates through the side wall of the adjusting plate and is in threaded connection with the sliding plate, a rotating block is fixedly connected to the outward end of the first threaded rod, and one end, far away from the rotating block, of the first threaded rod is rotatably connected with the sliding plate.

Preferably, an upper synchronous pulley is arranged on the upper turbine pair, and a lower synchronous pulley is arranged on the lower turbine pair.

Preferably, the timing belt forms a closed transmission loop sequentially through the outer side of the driving wheel, the outer side of the first upper driven wheel, the pinch roller, the upper synchronous pulley, the inner side of the second upper driven wheel, the inner side of the first lower driven wheel, the lower synchronous pulley, the outer side of the second lower driven wheel and the outer side of the driving wheel.

The invention has the following beneficial effects:

1. all the rotating assemblies are driven by one synchronous belt, so that the error of the rotating precision caused by the combined use of the synchronous belts is avoided, the synchronous rotation of each component is ensured, the generation of artificial errors in the installation process is effectively avoided, the hidden danger of inaccurate stamping precision caused by the error of the rotating angle of each component is reduced, the service life of the die is prolonged, the material cost is reduced, and the production efficiency is improved;

2. through last take-up pulley device, take-up pulley device down, pinch roller device and adjustment mechanism's setting, go up the take-up pulley device through first last follow driving wheel and second on follow the driving wheel, take-up pulley device passes through first follow driving wheel and second down from the driving wheel and pinch roller device through the pinch roller realization to the tensioning of hold-in range, and adjustment mechanism also can promote the dynamics that the pinch roller compressed tightly the hold-in range through adjusting compression spring, the tensioning of regulation hold-in range that can be more accurate, so that can be better operate the work.

Drawings

FIG. 1 is a schematic structural diagram of a high transmission precision rotary station transmission mechanism according to the present invention;

fig. 2 is a schematic sectional view a-a of the driving wheel apparatus shown in fig. 1 according to the present invention.

FIG. 3 is a schematic cross-sectional view of an adjusting plate of a high-transmission-precision rotary station transmission mechanism according to the present invention;

fig. 4 is a schematic cross-sectional structural view of a pressing seat of a high-transmission-precision rotary station transmission mechanism provided by the invention.

In the figure: the device comprises a driving wheel device 1, a main mounting seat 11, a servo motor 12, a driving wheel 13, a driven wheel 14, a motor connecting shaft 15, an upper tensioning wheel device 2, an upper mounting seat 21, an optical axis 22, a first upper driven wheel 23, a second upper driven wheel 24, an upper turbine pair 3, an upper synchronous pulley 31, a lower turbine pair 4, a lower synchronous pulley 41, a lower tensioning wheel device 5, a lower mounting seat 51, a first lower driven wheel 52, a second lower driven wheel 53, a synchronous belt 6, a pressing wheel device 7, a pressing seat 71, a pressing wheel 72, a strip-shaped opening 73, a regulating cavity 74, a regulating plate 75, a sliding plate 76, a rotating block 77, a motor 78, a first threaded rod 79, a compression spring 710, a resisting plate 711, a sliding rod 712, a second threaded rod 713, a connecting plate 714, a nut 715, a guide block 716, a guide groove 717, a device cavity 718, a first bearing 8, a.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high transmission precision rotary station transmission mechanism comprises a driving wheel device 1, an upper tension wheel device 2, an upper turbine pair 3, a lower turbine pair 4, a lower tension wheel device 5 and a pinch wheel device 7 which are arranged on the surface of a numerical control punch press, wherein the driving wheel device 1, the upper tension wheel device 2, the upper turbine pair 3, the lower turbine pair 4, the lower tension wheel device 5 and the pinch wheel device 7 are jointly connected through a synchronous belt 6 in a transmission manner, the driving wheel device 1 comprises a main mounting seat 11 fixedly connected on the surface of the numerical control punch press, a motor connecting shaft 15, a servo motor 12, a driving wheel 13, a driven wheel 14 and an optical axis 22 are arranged on the main mounting seat 11, an output shaft of the servo motor 12 is coaxially and fixedly connected with the motor connecting shaft 15, two ends of the motor connecting shaft 15 are respectively connected with the main mounting seat 11 through a first bearing 8 and a second bearing, the driven wheel 14 is arranged coaxially with the optical axis 22 via a bearing 10.

Specifically, the center plane of the driving pulley 13 coincides with the center plane of the driven pulley 14, facilitating the running of the timing belt 6.

Specifically, the upper tension wheel device 2 comprises an upper mounting seat 21 fixedly connected to the surface of the numerical control press, and a first upper driven wheel 23 and a second upper driven wheel 24 are arranged on the upper mounting seat 21.

Specifically, the lower tensioning wheel device 5 comprises a lower mounting seat 51 fixedly connected to the surface of the numerical control press, and a first lower driven wheel 52 and a second lower driven wheel 53 are arranged on the lower mounting seat 51.

Specifically, the upper turbine pair 3 is provided with an upper synchronous pulley 31, and the lower turbine pair 4 is provided with a lower synchronous pulley 41.

Specifically, the pressing wheel device 7 comprises a pressing seat 71 fixedly connected to the surface of the numerical control punch press, a device cavity 718 is arranged inside the pressing seat 71, a motor 78 is fixedly connected to the outer side of the pressing seat 71, the tail end of an output shaft of the motor 78 extends into the device cavity 718 and is fixedly connected with a second threaded rod 713, a nut 715 is sleeved on the second threaded rod 713 and is in threaded connection with the second threaded rod 713, guide blocks 716 are fixedly connected to two sides of the nut 715, two guide grooves 717 matched with the guide blocks 716 are symmetrically arranged inside the device cavity 718, a connecting plate 714 is fixedly connected to the upper side of the nut 715, an adjusting plate 75 capable of moving back and forth is arranged on the upper side of the pressing seat 71, a strip-shaped opening 73 for the connecting plate 714 to pass through is arranged at the inner top of the device cavity 718, the adjusting plate 75 is fixedly connected to one side of, the front side of the adjusting plate 75 is provided with a pressing wheel 72, the inside of the adjusting cavity 74 is provided with an adjusting mechanism for adjusting the pressing force of the pressing wheel 72, the structure adopts an electric mode to adjust the tension of the synchronous belt 6, and the upper tension wheel device 2 achieves the tension of the synchronous belt 6 through the first upper driven wheel 23 and the second upper driven wheel 24, and the lower tension wheel device 5 achieves the tension of the synchronous belt 6 through the first lower driven wheel 52, the second lower driven wheel 53 and the pressing wheel device 7 through the pressing wheel 72.

Specifically, the adjusting mechanism comprises a supporting plate 711 which is arranged in the adjusting cavity 74 and can move back and forth, a sliding rod 712 is fixedly connected to the side wall of the supporting plate 711, one end of each of the two sliding rods 712, which is far away from the supporting plate 711, extends to the outside of the adjusting cavity 74 and is fixedly connected with the pressing wheel 72, a sliding plate 76 which can move back and forth is further arranged in the adjusting cavity 74, the sliding plate 76 and the supporting plate 711 are elastically connected through two compression springs 710, a first threaded rod 79 penetrates through the side wall of the adjusting plate 75, and the two are connected by screw thread, the outward end of the first threaded rod 79 is fixedly connected with a rotary block 77, the end of the first threaded rod 79 far away from the rotary block 77 is rotationally connected with a sliding plate 76, this structure can promote the dynamics that pinch roller 72 compressed tightly hold-in range 6 through adjusting compression spring 710, the tensioning of the regulation hold-in range 6 that can be more accurate to the operation work that can be better.

Further, the timing belt 6 sequentially passes through the outside of the capstan 13, the outside of the first upper driven pulley 23, the pinch roller 72, the upper timing pulley 31, the inside of the second upper driven pulley 24, the inside of the driven pulley 14, the inside of the first lower driven pulley 52, the outside of the lower timing pulley 41, the second lower driven pulley 53, and the outside of the capstan 13 to form a closed transmission circuit.

During operation, the servo motor 12 is firstly started, the servo motor 12 rotates to drive the motor connecting shaft 15, the motor connecting shaft 15 drives the driving wheel 13 to rotate, the driving wheel 13 transmits power to the synchronous belt 6, and the synchronous belt 6 sequentially passes through the outer side of the driving wheel 13, the outer side of the first upper driven wheel 23, the pinch roller 72, the upper synchronous belt pulley 31, the inner side of the second upper driven wheel 24, the inner side of the driven wheel 14, the inner side of the first lower driven wheel 52, the lower synchronous belt pulley 41, the outer side of the second lower driven wheel 53 and the outer side of the driving wheel 13 to form a closed transmission loop.

The upper synchronous belt wheel 31 rotates to drive the upper turbine pair 3 to rotate, so that the upper die at the rotary station rotates;

the lower synchronous belt wheel 41 rotates to drive the lower turbine pair 4 to rotate, and the lower die of the rotary station rotates.

The motor 78 is started, the output shaft of the motor 78 rotates to drive the second threaded rod 713 to rotate, the second threaded rod 713 is in threaded connection with the nut 715, so that the nut 715 is moved, the adjusting plate 75 can be moved through the connecting plate 714, and the upper tensioning wheel device 2 can tension the synchronous belt 6 through the first upper driven wheel 23 and the second upper driven wheel 24, and the lower tensioning wheel device 5 can tension the synchronous belt 6 through the first lower driven wheel 52, the second lower driven wheel 53 and the pressing wheel device 7 through the pressing wheel 72;

when adjusting the tensioning dynamics of pinch roller 72 to hold-in range 6, through rotating first threaded rod 79 of piece 77 soon, because first threaded rod 79 and regulating plate threaded connection for sliding plate 76 removes, the in-process that sliding plate 76 removed can make compression spring 710's spring force change, can promote the dynamics that the pinch roller 72 compressed tightly hold-in range 6 through adjusting compression spring 710, the tensioning of the regulation hold-in range 6 that can be more accurate, so that can be better operate the work.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.