CN118455972A - High-efficient high accuracy motor output shaft starting gear press-fit device - Google Patents

Abstract

The invention discloses a high-efficiency high-precision motor output shaft starting gear press-fit device, which comprises a motor press-fit positioning mechanism, a flat shaft positioning mechanism and an upper jig position moving mechanism, wherein: the motor press-mounting positioning mechanism is arranged on the side face of the first bracket, the bottom of the first bracket is connected with the first base plate, and the top of the first bracket is connected with the second base plate; the first backing plate is fixed on the lower die frame; the second backing plate is provided with a starting gear installation position, the starting gear installation position is positioned above the motor limiting frame, and a motor shaft of the motor is clamped into the starting gear installation position; the flat shaft positioning mechanism is arranged at the flat shaft positioning mechanism installation position of the second base plate and used for accurately positioning the motor shaft so that the motor shaft and the gear shaft to be press-fitted are coaxial; the upper jig position moving mechanism comprises an upper jig for adsorbing a starting gear; the invention can realize the accurate positioning of the starting gear on the motor rotating shaft.

Description

High-efficient high accuracy motor output shaft starting gear press-fit device

Technical Field

The invention belongs to the technical field of motor starting gear assembly, and particularly relates to a high-efficiency high-precision motor output shaft starting gear press-fit device.

Background

The rotating shaft of the motor needs to press-fit a starting gear so as to carry out power transmission with a gear box or other components, and the installation position of the starting gear is critical to the performance of the whole transmission system. The existing common starting gear installation device is mostly dependent on manual operation, the press mounting efficiency is low, and the existing common starting gear installation device is also easily influenced by the technical level of workers and physical fatigue, so that the production cost and the working risk are increased, the accurate axial position of a starting gear on a motor rotating shaft is difficult to ensure by manual press mounting, and the working efficiency and the stability of the whole transmission system are influenced. Secondly, the coaxiality of the starting gear and the rotating shaft is difficult to ensure during press fitting, so that rotation unbalance or vibration is increased, and the performance and the service life of equipment are affected. In addition, the existing single starting gear assembly device cannot adapt to different motor shell lengths, and is poor in flexibility.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the high-efficiency high-precision motor output shaft starting gear press-fit device so as to realize accurate positioning of a starting gear on a motor rotating shaft, ensure coaxiality of the starting gear and the rotating shaft and improve the working flexibility of the starting gear assembly device.

The technical scheme of the invention is as follows:

The utility model provides a high-efficient high accuracy motor output shaft starting gear pressure equipment device, includes motor pressure equipment positioning mechanism, flat axle positioning mechanism and goes up tool position moving mechanism, wherein: the motor press-mounting positioning mechanism is arranged on the side surface of the first bracket and used for adjusting and fixing the position of the motor, and a motor limiting frame is arranged above the motor press-mounting positioning mechanism; the bottom of the first bracket is connected with a first backing plate, and the top of the first bracket is connected with a second backing plate; the first backing plate is fixed on the lower die frame; the second backing plate is provided with a starting gear installation position, the starting gear installation position is positioned above the motor limiting frame, and a motor shaft of the motor is clamped into the starting gear installation position; the flat shaft positioning mechanism is arranged at the flat shaft positioning mechanism installation position of the second base plate and used for accurately positioning the motor shaft so that the motor shaft and the gear shaft to be press-fitted are coaxial; the upper jig position moving mechanism comprises an upper jig for adsorbing a starting gear, the upper jig is arranged on the bottom surface of an upper die carrier and is positioned above the starting gear mounting position, and the upper die carrier drives the upper jig to move in the vertical direction.

Further, the top end face of the first support is set to be a step position, one side edge of the second base plate is fixed on the top end face of the second support, and the second support and the first support are vertically arranged and fixedly connected on the first base plate.

Further, the motor limiting frame is L-shaped and comprises a horizontal limiting plate and a vertical limiting plate which are perpendicular to each other, and the vertical limiting plate and the horizontal limiting plate are fixed on the side face of the first bracket through bolts.

Further, the motor press-mounting positioning mechanism comprises a first sliding block and a baffle, wherein a sliding groove for the first sliding block to slide up and down is formed in the side face of the first bracket, clamping plates for limiting the movement of the first sliding block are respectively fixed at two sides of the sliding groove on the side face of the first bracket, and clamping grooves are formed in two sides of the first sliding block and are in butt joint with the clamping plates; a hole is formed in the upper end face of the first sliding block, a top pin is placed in the hole, and a threaded hole is formed in the side face of the first sliding block and used for fixing the top pin; the baffle fixed connection is on first backing plate, the baffle with be equipped with the second slider between the first support, the rear end of second slider is connected and is fixed in the motor location cylinder on the first backing plate, and the motor location cylinder can promote the second slider and slide in order to butt/keep away from first slider so that drive first slider and slide from top to bottom.

Further, the top surface of the second sliding block is provided with an inclined plane, the inclined plane of the second sliding block is in butt joint with the bottom of the first sliding block, and when the second sliding block pushes forwards, the first sliding block is pushed to slide upwards.

Further, a motor position limiting plate is fixed on the bottom surface of the second base plate, and one end surface of the motor position limiting plate abuts against the side surface of the motor.

Further, flat axle positioning mechanism includes the ejector pad, the side of ejector pad is provided with the spout, the position department at flat axle positioning mechanism installation position is provided with the fixed block on the second backing plate, fixed block passes through spout sliding connection with the ejector pad, one side and the clamping frame butt of ejector pad, set up the passageway between starting gear installation position and the flat axle positioning mechanism installation position for settle the clamping frame, the rear end connection of ejector pad is fixed in the motor shaft flat position location cylinder of second support, utilizes motor shaft flat position location cylinder, thereby the ejector pad can slide back and forth to promote the clamping frame and slide about to carry out accurate positioning to the motor shaft.

Further, the rear end face of the clamping frame is an inclined face, the clamping frame is abutted to the pushing block through the inclined face, a notch is formed in the front end face of the clamping frame and used for being clamped with a motor shaft.

Further, a plurality of stepped holes are formed in the upper jig, the elastic piece, the magnetic upper positioning needle and the starting gear are sequentially placed in the stepped holes from top to bottom, and the starting gear is adsorbed at the bottom end of the magnetic upper positioning needle.

Further, at least two guide sleeves are arranged on the upper die frame, guide posts are connected in the guide sleeves in a sliding manner, the bottom ends of the guide posts are fixedly connected with the lower die frame, the top of the upper die frame is connected with an up-down pressing-in connecting piece, the up-down pressing-in connecting piece drives the upper die frame to move up and down so as to drive the upper jig to move up and down, and a plurality of positioning screws for limiting the descending height are further arranged on the bottom surface of the upper die frame.

According to the invention, through the plurality of position mechanisms, the accurate positioning of the starting gear on the motor rotating shaft can be ensured, the coaxiality of the starting gear and the rotating shaft can be ensured, meanwhile, the manual intervention is reduced, the production cost is reduced, the problem of work safety possibly brought by a traditional manual press mounting mode is avoided, and the motor limiting frame is adjustable, can adapt to the changes of the lengths and the heights of different motor shells, and improves the flexibility and the efficiency of assembly.

Drawings

FIG. 1 is a perspective view of the structure of the device of the present invention;

FIG. 2 is a side view of the structure of the device of the present invention;

FIG. 3 is a top view of a first shim plate of the present invention;

FIG. 4 is a bottom view of the first pallet of the invention

FIG. 5 is a schematic view of the structure of the clamping frame of the present invention;

FIG. 6 is a schematic view of the abutment of the clamping frame with the motor of the present invention;

FIG. 7 is a schematic diagram of an upper fixture according to the present invention;

FIG. 8 is a cross-sectional view of section A-A of FIG. 7 (with the elastic member omitted) in accordance with the present invention;

fig. 9 is a schematic view of the structure of the magnetic positioning needle of the present invention.

Reference numerals: 1. a die carrier is arranged; 2. a lower die frame; 3. a first backing plate; 4. a second backing plate; 401. a starting gear installation position; 402. the flat shaft positioning mechanism is arranged at the installation position; 403. a motor position limiting plate; 404. a fixed block; 5. a first bracket; 501. a motor limiting frame; 502. a clamping plate; 6. a second bracket; 7. a first slider; 701. a knock pin; 8. a second slider; 9. a baffle; 10. a pushing block; 11. a clamping frame; 12. an upper jig; 121. magnetically positioning the needle; 13. a set screw; 14. a guide post; 15. guide sleeve; 16. pressing the connecting piece up and down; 17. a motor positioning cylinder; 18. a motor shaft flat positioning cylinder; 19. a motor; 20. starting gear.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms "upper", "lower", "inner", "outer", "front", "rear", "top", "low", etc., are directions or positional relationships based on those shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention; furthermore, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "abutting" are to be construed broadly, and may be directly connected, or indirectly connected through an intermediary, or may be in communication with each other in two elements, or may be in fixed connection or may be in movable connection. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The invention discloses a high-efficiency high-precision motor output shaft starting gear press-fit device, which is shown in fig. 1-2, and comprises a motor press-fit positioning mechanism, a flat shaft positioning mechanism and an upper jig position moving mechanism, wherein:

the motor pressure equipment positioning mechanism is used for adjusting and fixing the position of motor 19, and motor pressure equipment positioning mechanism sets up on the side of first support 5, and motor pressure equipment positioning mechanism's top is provided with motor spacing 501, and motor spacing 501's position can remove, and motor spacing 501 is the L type, including mutually perpendicular's horizontal direction restriction position and vertical direction restriction position, the one end of horizontal direction restriction position and the bottom fixed connection of vertical direction restriction position, vertical direction restriction position passes through bolt fastening with horizontal direction restriction position on the side of first support 5 to settle different model motors. The motor limiting frame 501 can be absorbed and positioned through strong magnetic attraction, so that the position adjustment is more convenient.

The motor limiting frame 501 is used for arranging a motor 19, limiting the front and back and up and down directions of the motor 19, and roughly positioning a motor shaft and a gear shaft of a power distribution unit to be pressed, so as to ensure that the motor shaft and the gear shaft are coaxial; the bottom of the first bracket 5 is connected with the first backing plate 3, and the top of the first bracket 5 is connected with the second backing plate 4; the first backing plate 3 is fixed on the lower die frame 2; the second backing plate 4 can locate the press-fit motor shaft and the gear shaft, and ensure that the motor shaft and the gear shaft are coaxial, as shown in fig. 3-4, the second backing plate 4 is provided with a starting gear mounting position 401, the starting gear mounting position 401 is located above the motor limiting frame 501, the motor shaft of the motor 19 is clamped into the starting gear mounting position 401, and the starting gear 20 is convenient to mount, wherein in the example, the upper end face of the starting gear mounting position 401 is a U-shaped groove, the lower end face is a straight line groove, a communicated opening is formed between the U-shaped groove and the straight line groove, and the opening can be used for placing the starting gear 20 through the motor shaft and the U-shaped groove. The second base plate 4 is also provided with a flat shaft positioning mechanism mounting position 402.

As shown in fig. 4-5, the flat shaft positioning mechanism is used for compressing and positioning the motor shaft, the flat shaft positioning mechanism is installed at the flat shaft positioning mechanism installation position 402 of the second base plate 4, and the top end of the flat shaft positioning mechanism is provided with a clamping frame 11 which is abutted against the motor shaft and used for accurately positioning the motor shaft, so that the motor shaft and the gear shaft to be press-fitted are coaxial.

The upper jig position moving mechanism comprises an upper jig 12, wherein the upper jig 12 is used for adsorbing a starting gear 20, is arranged on the bottom surface of the upper die carrier 1 and is positioned above a starting gear mounting position 401;

At least two guide posts 14 are arranged on the lower die frame 2, guide sleeves 15 are fixed at positions of the upper die frame 1 corresponding to the guide posts 14, the guide sleeves 15 penetrate through the upper die frame 1 up and down, the guide posts 14 penetrate into the guide sleeves 15, the top of the upper die frame 1 is connected with an upper press-in connecting piece 16, and the upper press-in connecting piece 16 drives the upper die frame 1 to move up and down so as to drive the upper jig 12 to move up and down;

A second bracket 6 is also vertically arranged between the first backing plate 3 and the second backing plate 4, and the second bracket 6 is vertical to the first bracket 5.

In this embodiment, the top end surface of the first bracket 5 is set to be a step position, one side edge of the second base plate 4 is fixed on the top end surface of the second bracket 6, the first bracket 5 fixes the position of the second base plate 4 through the height of the step position, so as to ensure that the second base plate 4 is stably installed at a specific height, and the second base plate 4 controls the distance and tolerance from the starting gear 20 to the upper end surface of the motor through a U-shaped groove and a linear groove, so as to ensure that the position between the starting gear 20 and the upper end surface of the motor meets the requirements.

In this embodiment, the motor press-mounting positioning mechanism includes a first slider 7, a chute for the first slider 7 to slide up and down is provided on a side surface of the first bracket 5, two clamping plates 502 are respectively fixed on two sides of the chute on the side surface of the first bracket 5, two clamping grooves are respectively provided on two sides of the first slider 7, and the clamping grooves are abutted with the clamping plates 502 and used for limiting the first slider 7 to move in a vertical direction and avoid shaking back and forth and left and right; a hole is formed in the upper end face of the first sliding block 7, a top pin 701 is placed in the hole and used for propping against and pressing a bulge of a rear end cover of the motor 19, fixing of the motor 19 in place is guaranteed, and the motor 19 is prevented from loosening or moving in the gear press-fit process. A threaded hole is formed in the side face of the first sliding block 7 and used for fixing the ejector pin 701; the first backing plate 3 is also provided with a baffle 9, a second sliding block 8 is arranged between the baffle 9 and the first bracket 5, the rear end of the second sliding block 8 is connected with a motor positioning cylinder 17, and the motor positioning cylinder 17 can push the second sliding block 8 to slide back and forth to be abutted against/far away from the first sliding block 7 so as to drive the first sliding block 7 to slide up and down; the motor positioning cylinder 17 is fixed on the first backing plate 3.

In this embodiment, the top surface of the second slider 8 is provided with an inclined surface, the inclined surface of the second slider 8 abuts against the bottom of the first slider 7, and the first slider 7 is pushed to slide upward when the second slider 8 is pushed forward.

In the present embodiment, the motor position restricting plate 403 is fixed to the bottom surface of the second pad 4, and one end surface of the motor position restricting plate 403 abuts against the side surface of the motor 19.

In this embodiment, the flat shaft positioning mechanism includes a push block 10, a chute is disposed on a side surface of the push block 10, a fixed block 404 is disposed on the second pad 4 at a position of a flat shaft positioning mechanism mounting position 402, the fixed block 404 is inserted into the chute of the push block 10, one side of the push block 10 is abutted to the clamping frame 11, a channel is opened between a starting gear mounting position 401 and the flat shaft positioning mechanism mounting position 402 for mounting the clamping frame 11, a rear end of the push block 10 is connected with a motor shaft flat positioning cylinder 18, the motor shaft flat positioning cylinder 18 is utilized, the push block 10 can slide back and forth to push the clamping frame 11 to slide left and right to accurately position a motor shaft, and the motor shaft flat positioning cylinder 18 is fixed on a side surface of the second bracket 6.

In this embodiment, the rear end face of the clamping frame 11 is an inclined plane, the clamping frame 11 is abutted with the push block 10 through the inclined plane, the front end face of the clamping frame 11 is provided with a notch for clamping the motor shaft, and in this embodiment, the notch is in a V-shaped notch, an arc-shaped notch or the like. The slope of the inclined surface of the clamping frame 11 can also be adjusted according to the required press-fit force, for example, when the press-fit force used is low, the slope of the inclined surface of the sliding block can be reasonably increased, and the inclined surface slope is usually set to be in the range of 0-10 degrees.

In this embodiment, a slot hole is formed in the upper fixture 12, as shown in fig. 6-7, and the slot hole includes a plurality of stepped holes, in which an elastic member, a magnetic upper positioning needle 121 and a starting gear 20 are sequentially placed from top to bottom, the bottom end of the magnetic upper positioning needle 121 adsorbs the starting gear 20, the starting gear 20 is mounted to a motor shaft by using the elastic member, the elastic member is disposed at the top end of the magnetic upper positioning needle 121, the elastic member is a spring, and the bottom end of the magnetic upper positioning needle 121 is used for adsorbing the starting gear 20 so as to ensure that the starting gear 20 is stably positioned at a correct position. When pressure is applied, once the motor shaft is propped against the magnetic positioning needle 121, the spring is contracted, and the starting gear 20 is separated from the magnetic positioning needle 121 and is pressed down on the motor shaft, so that the press-fitting process is completed. When the coupling 16 is pressed up and down to release the force, the spring is sprung to reset the magnetic upper positioning needle 121.

In this embodiment, the bottom surface of the upper mold frame 1 is further provided with a plurality of set screws 13 for determining a reference surface of the pressing-in size, so as to avoid damage caused by an excessive descending distance of the upper mold frame 1.

When the device is used, firstly, an assembler puts a starting gear in a slot hole of the upper jig 12, a button starts the motor positioning cylinder 17, the motor positioning cylinder 17 generates thrust to push the second slide block 8, the inclined plane of the second slide block 8 is utilized to push the first slide block 7, and the first slide block 7 drives the ejector pin 701 to press the rear end cover of the motor 19. After the push button is pressed, the motor shaft flat positioning cylinder 18 is started to push the push block, and the clamping frame 11 clamps and positions the motor shaft under the pushing of the push block. Finally, the upper die carrier 1 is pressed down, pressing the starting gear onto the motor 19.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are more fully described herein with reference to the accompanying drawings, in which the principles of the present invention are shown and described, and in which the general principles of the invention are defined by the appended claims.

Claims (10)

1. The utility model provides a high-efficient high accuracy motor output shaft starting gear pressure equipment device which characterized in that, includes motor pressure equipment positioning mechanism, flat axle positioning mechanism and goes up tool position moving mechanism, wherein:

the motor press-mounting positioning mechanism is arranged on the side surface of the first bracket (5) and used for adjusting and fixing the position of the motor (19), and a motor limiting frame (501) is arranged above the motor press-mounting positioning mechanism; the bottom of the first support (5) is connected with a first base plate (3), and the top of the first support (5) is connected with a second base plate (4); the first base plate (3) is fixed on the lower die frame (2); the second base plate (4) is provided with a starting gear installation position (401), the starting gear installation position (401) is positioned above the motor limiting frame (501), and a motor shaft of the motor (19) is clamped into the starting gear installation position (401);

the flat shaft positioning mechanism is arranged at a flat shaft positioning mechanism mounting position (402) of the second base plate (4) and is used for accurately positioning a motor shaft so that the motor shaft and a gear shaft to be press-fitted are coaxial;

The upper jig position moving mechanism comprises an upper jig (12) for adsorbing a starting gear (20), the upper jig (12) is arranged on the bottom surface of the upper die carrier (1) and is positioned above the starting gear mounting position (401), and the upper die carrier (1) drives the upper jig (12) to move in the vertical direction.

2. The high-efficiency high-precision motor output shaft starting gear press-fit device is characterized in that the top end face of the first support (5) is set to be a step position, one side edge of the second base plate (4) is fixed on the top end face of the second support (6), and the second support (6) is perpendicular to the first support (5) and fixedly connected to the first base plate (3).

3. The high-efficiency high-precision motor output shaft starting gear press-fit device is characterized in that the motor limiting frame (501) is L-shaped and comprises a horizontal limiting plate and a vertical limiting plate which are mutually perpendicular, and the vertical limiting plate and the horizontal limiting plate are fixed on the side face of the first bracket (5) through bolts.

4. The high-efficiency high-precision motor output shaft starting gear press-fit device is characterized in that the motor press-fit positioning mechanism comprises a first sliding block (7) and a baffle plate (9), a sliding groove for the first sliding block (7) to slide up and down is formed in the side face of the first bracket (5), clamping plates (502) for limiting the movement of the first sliding block (7) are respectively fixed on the two sides of the sliding groove on the side face of the first bracket (5), and clamping grooves are formed in the two sides of the first sliding block (7) and are in butt joint with the clamping plates (502); a hole is formed in the upper end face of the first sliding block (7), a top pin (701) is placed in the hole, and a threaded hole is formed in the side face of the first sliding block (7) and used for fixing the top pin (701);

The baffle (9) is fixedly connected to the first base plate (3), a second sliding block (8) is arranged between the baffle (9) and the first support (5), the rear end of the second sliding block (8) is connected with a motor positioning cylinder (17) fixed on the first base plate (3), and the motor positioning cylinder (17) can push the second sliding block (8) to slide back and forth to be abutted/far away from the first sliding block (7) so as to drive the first sliding block (7) to slide up and down.

5. The high-efficiency high-precision motor output shaft starting gear press-fit device is characterized in that an inclined plane is arranged on the top surface of the second sliding block (8), the inclined plane of the second sliding block (8) is abutted with the bottom of the first sliding block (7), and when the second sliding block (8) is pushed forwards, the first sliding block (7) is pushed to slide upwards.

6. A high-efficiency and high-precision motor output shaft starting gear press-fit device according to claim 1, characterized in that a motor position limiting plate (403) is fixed on the bottom surface of the second base plate (4), and one end surface of the motor (19) position limiting plate (403) abuts against the side surface of the motor (19).

7. The high-efficiency and high-precision motor output shaft starting gear press-fit device according to claim 1, wherein the flat shaft positioning mechanism comprises a push block (10), a sliding groove is formed in the side face of the push block (10), a fixed block (404) is arranged on the second base plate (4) at the position of a flat shaft positioning mechanism mounting position (402), the fixed block (404) is slidably connected with the push block (10) through the sliding groove, one side of the push block (10) is abutted to a clamping frame (11), a channel is formed between a starting gear mounting position (401) and the flat shaft positioning mechanism mounting position (402) and used for mounting the clamping frame (11), the rear end of the push block (10) is connected with a motor shaft flat positioning cylinder (18) fixed to a second bracket (6), and the push block (10) can slide back and forth to push the clamping frame (11) to slide left and right to accurately position a motor shaft.

8. The high-efficiency high-precision motor output shaft starting gear press-fit device according to claim 7, wherein the rear end face of the clamping frame (11) is an inclined face, the clamping frame (11) is abutted with the pushing block (10) through the inclined face, and a notch is formed in the front end face of the clamping frame (11) and used for being clamped with a motor shaft.

9. The high-efficiency high-precision motor output shaft starting gear press-fit device according to claim 1, wherein a plurality of stepped holes are formed in the upper jig (12), an elastic piece, a magnetic upper positioning needle and a starting gear (20) are sequentially arranged in the stepped holes from top to bottom, and the bottom end of the magnetic upper positioning needle adsorbs the starting gear (20).

10. The high-efficiency high-precision motor output shaft starting gear press-fit device according to claim 1, wherein at least two guide sleeves (15) are installed on the upper die frame (1), guide posts (14) are connected in a sliding mode in the guide sleeves (15), the bottom ends of the guide posts (14) are fixedly connected with the lower die frame (2), an upper press-in connecting piece (16) is connected to the top of the upper die frame (1), the upper press-in connecting piece (16) drives the upper die frame (1) to move up and down so as to drive an upper jig (12) to move up and down, and a plurality of positioning screws (13) for limiting the descending height are further arranged on the bottom surface of the upper die frame (1).