CN210380606U

CN210380606U - Automatic core finding and riveting device for outer cover assembling motor

Info

Publication number: CN210380606U
Application number: CN201921405332.2U
Authority: CN
Inventors: 黄红华; 刘峰
Original assignee: Changzhou Delai Motor Co ltd
Current assignee: Changzhou Delai Motor Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses an automatic centering riveting device with an outer cover assembled with a motor, belonging to the technical field of riveting equipment, which has the key points of the technical proposal that the automatic centering riveting device comprises an installation column and a placing platform which are coaxially arranged on a frame, wherein the motor is arranged on the placing platform, and the automatic centering riveting device also comprises a driving component which drives the installation column to move downwards; a first sleeve is sleeved on the side wall of one end, far away from the placing table, of the mounting column, a spring is arranged in the first sleeve, one end of the spring is connected with the top wall of the first sleeve, and the other end of the spring is connected with one end, far away from the placing table, of the mounting column; the mounting column is equipped with the holding ring towards the one end circumference outside cover of placing the platform, and the holding ring bottom surpasss the mounting column bottom, and holding ring circumference lateral wall runs through along its vertical direction and is equipped with a plurality of sliding grooves, and first sleeve orientation is placed platform one end and is connected with the riveting sword, and rivets the sword and is connected with sliding groove slides. The utility model discloses it is accurate to have the enclosing cover circumference location that makes on the erection column, makes enclosing cover and motor housing's one end riveting completely to reduce the effect of rejection rate.

Description

Automatic core finding and riveting device for outer cover assembling motor

Technical Field

The utility model belongs to the technical field of riveting equipment technique and specifically relates to a motor is gone into to enclosing cover group and automatic dress device of riveting of looking for heart is related to.

Background

The modern industry requires the practical performance of mechanical equipment, and the corresponding matched products are improved while the structure of the industrial equipment is more and more refined according to the development trend. The motor is one of the common supporting facilities in industrial equipment, and one end of a shell of the motor is closed by an iron outer cover which can provide effective support for other devices (such as a driving system) matched with the motor. In the prior art, the cover is attached to the housing of the motor by a riveting process.

The riveting technology of the outer cover of the existing motor comprises the steps of placing the assembled motor on a placing table of a hand press, placing the outer cover on an installing column corresponding to the placing table, connecting the installing column on a rack in a sliding mode, enabling the installing column to be magnetic, sucking the outer cover, starting the hand press, enabling the installing column to move downwards, clamping the outer cover into a motor shell of the motor, and enabling one end of the motor shell, which faces the installing column, to be riveted with the outer cover.

In the prior art, the outer cover on the mounting column is not circumferentially positioned, so that when the mounting column moves downwards and the outer cover is riveted with the motor shell, the outer cover cannot automatically align with the axis of the crane shell, the motor shell cannot be completely sealed by the outer cover, and the rejection rate of the motor is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an enclosing cover is assembled the automatic dress device of riveting of looking for of motor has and makes enclosing cover circumference location on the erection column accurate, makes enclosing cover and motor housing's one end riveting completely to reduce the effect of rejection rate.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an automatic centering riveting device for an outer cover assembly motor comprises an installation column and a placing table which are positioned on a rack and coaxially arranged, wherein a motor shell is positioned on the placing table, and the automatic centering riveting device also comprises a driving assembly which drives the installation column to move downwards; the mounting column orientation the fixed cover in the one end circumference outside of placing the platform is equipped with the holding ring, the holding ring bottom surpasss the mounting column bottom, holding ring circumference lateral wall runs through along its vertical direction and is equipped with a plurality of grooves that slide, the mounting column is kept away from the one end lateral wall of placing the platform has cup jointed first sleeve pipe, first sleeve pipe orientation place platform one end and be connected with the riveting sword, just the riveting sword with the groove that slides and is connected.

By adopting the technical scheme, the positioning ring is adopted to circumferentially position the mounting column, and when the outer cover is placed, the outer cover and the mounting column can be automatically centered; during riveting, the locating ring can be sleeved on the outer side of the circumference of the motor shell to limit the circumferential movement of the outer cover, so that the outer cover can also automatically align with the motor shell, and the rejection rate is reduced. The riveting knife is used for riveting one end of the motor shell and the outer cover after the outer cover is pressed into the motor shell, the contact surface riveted by the riveting knife is small, and burrs can be effectively reduced.

The utility model discloses further set up to, be equipped with first spring in the first sleeve pipe, first spring one end with first sheathed tube roof is connected, the other end with the erection column is kept away from place the one end of platform and connect.

Through adopting above-mentioned technical scheme, when the enclosing cover impresses in the motor housing, because first spring is compressed for the erection column partly distance of kick-backing in to first sleeve pipe, the sword of riveting stretches out the erection column simultaneously and rivets.

The utility model discloses further set up to, the riveting sword orientation place a one end and be equipped with the riveting inclined plane, the riveting inclined plane inclines towards motor housing.

Through adopting above-mentioned technical scheme, riveting inclined plane is convenient for better riveting with motor housing, effectively reduces the production that reduces the burr.

The utility model discloses further set up to, motor housing is connected with the wire towards erection column one end lateral wall, the holding ring orientation is equipped with one side of wire has been seted up and has been dodged the location breach of wire.

Through adopting above-mentioned technical scheme, when the location breach is used for preventing to rivet the enclosing cover, press the wire, cause the wire to produce the breach or even broken string.

The utility model is further arranged in that the driving component comprises an eccentric cam and a push rod, one end of the push rod is connected with the first sleeve, and the other end is connected with the circumferential side wall of the eccentric cam in a sliding way; the eccentric cam is inserted with a rotating shaft along the axial direction, and one end of the rotating shaft, which is far away from the eccentric cam, is connected with a motor.

Through adopting above-mentioned technical scheme, through the rotation of motor control rotation axis, the eccentric cam of rotation axis control is rotary motion's stroke around the rotation axis, drives the push rod and makes reciprocating linear motion, and the push rod promotes first sleeve and pushes down or shifts up.

The utility model discloses further set up to, still include the lock ring, the lock ring cover is established on the rotation axis, the locking breach has been seted up on the lock ring, locking breach department joint has the brake lever, just brake lever middle part is articulated with the frame, the brake lever is kept away from the one end of locking breach is connected with the electro-magnet.

Through adopting above-mentioned technical scheme, when the electro-magnet outage, the locking breach is gone into to the brake lever card to through the rotation of lock ring locking rotation axis, for placing of motor housing provides safe time, and can manual control riveted motion stroke, reduce the incident hidden danger.

The utility model discloses further set up to, the electro-magnet orientation brake lever one end is connected with the second spring, the second spring is kept away from electro-magnet one end is connected with the magnet piece, the magnet piece is kept away from the one end of second spring with be connected with the third spring between the brake lever.

By adopting the technical scheme, the electromagnet is electrified, so that the magnet block moves towards the direction of the electromagnet and is attracted with the electromagnet, the magnet block pulls the third spring to drive the brake rod to be separated from the locking notch, and the rotating shaft normally rotates; when the brake lever stops working, the electromagnet power supply is closed, and the magnet block rebounds to the initial position through the second spring, so that the brake lever resets.

The utility model discloses further set up to, motor housing bottom is equipped with the locating hole, it is connected with the pilot pin to place the bench, the pilot pin is inserted and is located in the locating hole.

Through adopting above-mentioned technical scheme, the rotation of motor housing circumference is injectd to the pilot pin, has the location function of rectifying.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the mounting ring and the riveting knife, the effects of automatically aligning the outer cover with the axis of the motor shell, reducing burrs generated by riveting and effectively reducing the rejection rate of motor riveting can be achieved;

2. through the arrangement of the positioning notch, the effect of reducing the damage of riveting to the lead can be achieved;

3. through the setting of lock ring and brake lever, can play the manual effect of closing drive assembly, reduction incident hidden danger.

Drawings

Fig. 1 is a schematic diagram of the overall structure in the present embodiment.

Fig. 2 is a partially enlarged view of a portion a in fig. 1, showing connection between the electromagnet and the magnet block.

FIG. 3 is an enlarged view of portion B of FIG. 1, illustrating the connection of the brake lever to the locking ring.

Fig. 4 is a schematic view of the connection structure of the mounting post and the positioning ring in the present embodiment.

Fig. 5 is a schematic structural diagram of the positioning connection between the motor housing and the placing table in the embodiment.

In the figure, 1, a placing table; 11. a positioning pin; 12. a motor; 13. positioning holes; 14. a wire; 15. a motor housing; 16. an outer cover; 17. a frame; 2. a first sleeve; 21. a first spring; 3. mounting a column; 31. a positioning ring; 32. positioning the notch; 33. a sliding groove; 34. riveting a cutter; 35. riveting an inclined plane; 4. a drive assembly; 41. an eccentric cam; 42. a push rod; 43. a rotating shaft; 44. an electric motor; 45. a chute; 5. a locking ring; 51. a locking notch; 52. a brake lever; 53. an electromagnet; 54. a second spring; 55. a magnet block; 56. and a third spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the automatic centering riveting device for the outer cover assembling motor disclosed in this embodiment includes a frame 17, and the frame 17 is provided with a driving assembly 4, a mounting column 3, and a placing table 1. The placing table 1 is used for placing a motor 12 which is not riveted, a magnet (not shown in the figure) is arranged in the mounting column 3, an outer cover 16 (see figure 4) is attracted by the magnet, and the driving component 4 is used for driving the mounting column 3 to move towards the placing table 1 and riveting the outer cover 16 on the motor 12.

Referring to fig. 1, the driving assembly 4 includes an eccentric cam 41 and a push rod 42, a rotating shaft 43 is coaxially fixed on the eccentric cam 41 along an axial direction thereof, a motor 44 is connected to an end of the rotating shaft 43 away from the eccentric cam 41, a rotating frequency of the rotating shaft 43 is controlled by the motor 44, the motor 44 rotates one revolution, and the rotating shaft 43 drives the eccentric cam 41 to rotate in a circumferential direction of one stroke around an axis of the rotating shaft 43. The push rod 42 is located below the eccentric cam 41, and one end of the push rod 42 is connected with the side wall of the eccentric cam 41 in a sliding manner, and the push rod 42 makes a reciprocating linear motion along the vertical direction along with the rotation of the eccentric cam 41. Further, in the present embodiment, a sliding groove 45 is disposed on a circumferential side wall of the eccentric cam 41, one end of the push rod 42, which is engaged with the sliding groove 45, is T-shaped and is clamped into the sliding groove 45, and when the eccentric cam 41 rotates, the push rod 42 slides in the sliding groove 45.

Referring to fig. 1 and 3, in order to reduce the potential safety hazard when the driving mechanism is out of control, a locking ring 5 is fixedly sleeved on the rotating shaft 43, and a locking notch 51 is formed in the locking ring 5; an electromagnet 53 (see fig. 2) and a brake lever 52 are mounted on the frame 17 near the locking ring 5, and the middle part of the brake lever 52 is hinged with the frame 17. One end of the brake lever 52 is clamped into the locking notch 51, and the other end of the brake lever 52 is connected with the electromagnet 53. When the electromagnet 53 is powered on, one end of the brake lever 52 is attracted towards the electromagnet 53, the electromagnet 53 enables the other end of the brake lever 52 to be separated from the locking notch 51, an electric signal is transmitted to the motor 44, and the rotating shaft 43 rotates for a stroke under the driving of the motor 44. The motor 44 is automatically turned off after one rotation, and returns an electric signal to the electromagnet 53, the electromagnet 53 is turned off, the brake lever 52 loses the attraction of the electromagnet 53, when the locking notch 51 faces downwards, the push rod 42 is located at the highest point, and the brake lever 52 is clamped into the locking notch 51 to lock the locking ring 5 and stop the rotating shaft 43.

Referring to fig. 1 and 2, in order to further stabilize the control of the brake lever 52 by the electromagnet 53, a magnet block 55 is provided at one end of the electromagnet 53 facing the brake lever 52 (see fig. 3), a second spring 54 is connected between one end of the magnet block 55 and the electromagnet 53, and a third spring 56 is connected between the other end of the magnet block 55 and the brake lever 52. When the electromagnet 53 is powered off, the magnetic attraction between the magnet block 55 and the electromagnet 53 is lost, the magnet block 55 is reset due to the acting force of the second spring 54, and after the pulling force of the brake lever 52 is lost, the other end of the brake lever 52 is clamped into the locking notch 51 (see fig. 3).

Referring to fig. 1 and 4, one end of the push rod 42, which is far away from the eccentric cam 41, is connected with the first sleeve 2, the first sleeve 2 is sleeved outside the mounting column 3, the first sleeve 2 is internally provided with the first spring 21, and the first sleeve 2 and the mounting column 3 are connected through the first spring 21; one end of the push rod 42 far away from the eccentric cam 41 is connected with the first sleeve 2, and the push rod 42 pushes the first sleeve 2 to drive the mounting column 3 to press the placing table 1. First sleeve pipe 2 is close to erection column 3 one end and is equipped with a plurality of riveting knives 34 along its circumference, and four riveting knives 34 are selected for use to this embodiment, and riveting knife 34 is equipped with riveting inclined plane 35 towards one side of erection column 3, is convenient for rivet motor housing 15 near the one end lateral wall of enclosing cover 16 and the upper surface periphery of enclosing cover 16. Preferably, in the present embodiment, the side wall of the end of the mounting post 3 away from the first spring 21 is fixedly sleeved with a positioning ring 31 along the circumference thereof, and the positioning ring 31 is used for fixing the circumferential position of the positioning outer cover 16. When the outer cover 16 is assembled into the housing for riveting, the positioning ring 31 sleeves the periphery of the motor housing 15, so that the outer cover 16 cannot move, automatic centering of the outer cover 16 and the motor housing 15 is realized, and installation errors are reduced. Under the working condition, because the first spring 21 is compressed, the bottom of the riveting knife 34 extends out of the bottom of the positioning ring 31, in order to facilitate the sliding of the riveting knife 34 along the vertical direction, a plurality of sliding grooves 33 are formed in the circumferential side wall of the positioning ring 31 along the vertical direction and penetrate through the wall thickness of the positioning ring, and one end side wall of the riveting knife 34 is matched with the sliding grooves 33. Since the lead wire 14 is connected to one side of the motor 12, in order to prevent the positioning ring 31 from interfering with the lead wire 14 when pressed down, the positioning ring 31 is provided with a positioning notch 32 avoiding the lead wire 14 toward the side where the lead wire 14 is provided.

Referring to fig. 5, further, the bottom of the motor 12 is placed on the placing table 1, and in order to prevent the motor 12 from rotating in the circumferential direction and to prevent the lead 14 from being caught when the positioning ring 31 moves downward, the positioning pin 11 is disposed on the placing table 1, the positioning hole 13 is disposed at the bottom of the motor 12, and after the motor 12 is placed, the positioning pin 11 is inserted into the positioning hole 13, and the orientation of the electric wire is consistent with the orientation of the positioning notch 32.

The implementation principle of the above embodiment is as follows: the electromagnet 53 is in the off state, the brake lever 52 is locked into the locking notch 51, and the motor 44 is not turned on. Putting an unflattened motor 12 on the placing table 1, and positioning the motor 12 through a positioning pin 11; the outer cover 16 is placed on the mounting post 3 and the outer cover 16 is self-centering by the positioning ring 31. When the electromagnet 53 is turned on, the magnet block 55 moves towards the electromagnet 53 and is attracted to the electromagnet 53, the magnet block 55 pulls the lower end of the brake rod 52 through the third spring 56, so that the upper end of the brake rod 52 is separated from the locking notch 51, meanwhile, the electromagnet 53 transmits an electric signal to the motor 44, the motor 44 rotates, and the rotating shaft 43 is driven to rotate.

The rotating shaft 43 rotates the eccentric cam 41, thereby causing the push rod 42 to make one stroke of reciprocating motion in the vertical direction. The push rod 42 abuts against the sleeve and pushes the mounting column 3 to move downwards, the outer cover 16 is pressed into the motor shell 15, the first spring 21 is compressed at the moment, the riveting knife 34 extends out of the positioning ring 31, the riveting inclined plane 35 of the riveting knife is contacted and riveted with the side wall of the motor shell 15, after riveting is completed, the mounting column 3 moves upwards along with the push rod 42, and one working stroke is finished.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an enclosing cover is assembled motor and is looked for heart dress device automatically, is including being located frame (17) and coaxial setting erection column (3) and place platform (1), motor housing (15) are located place on platform (1), its characterized in that: the mounting column (3) is driven to move downwards by the driving component (4); the mounting column (3) orientation the fixed cover in one end circumference outside of placing platform (1) is equipped with holding ring (31), holding ring (31) bottom surpasss mounting column (3) bottom, holding ring (31) circumference lateral wall runs through along its vertical direction and is equipped with a plurality of sliding groove (33), the mounting column (3) are kept away from the one end lateral wall of placing platform (1) has cup jointed first sleeve pipe (2), first sleeve pipe (2) orientation place platform (1) one end and be connected with riveting sword (34), just riveting sword (34) with sliding groove (33) are slided and are connected.

2. The automatic centering and riveting device for the outer cover assembly motor according to claim 1, wherein: a first spring (21) is arranged in the first sleeve (2), one end of the first spring (21) is connected with the top wall of the first sleeve (2), and the other end of the first spring (21) is connected with one end, far away from the placing table (1), of the mounting column (3).

3. The automatic centering and riveting device for the outer cover assembly motor according to claim 1, wherein: the riveting knife (34) faces one end of the placing table (1) and is provided with a riveting inclined plane (35), and the riveting inclined plane (35) inclines towards the motor shell (15).

4. The automatic centering and riveting device for the outer cover assembly motor according to claim 1, wherein: motor housing (15) are connected with wire (14) towards erection column (3) one end lateral wall, holding ring (31) orientation is equipped with one side of wire (14) is seted up dodges location breach (32) of wire (14).

5. The automatic centering and riveting device for the outer cover assembly motor according to claim 1, wherein: the driving assembly (4) comprises an eccentric cam (41) and a push rod (42), one end of the push rod (42) is connected with the first sleeve (2), and the other end of the push rod is connected with the circumferential side wall of the eccentric cam (41) in a sliding mode; a rotating shaft (43) is inserted into the eccentric cam (41) along the axial direction of the eccentric cam, and one end, far away from the eccentric cam (41), of the rotating shaft (43) is connected with a motor (44).

6. The automatic centering and riveting device for the outer cover assembly motor according to claim 5, wherein: still include lock ring (5), the fixed cover of lock ring (5) is established on rotation axis (43), locking breach (51) have been seted up on lock ring (5), locking breach (51) department joint has brake lever (52), just brake lever (52) middle part is articulated with frame (17), brake lever (52) are kept away from the one end of locking breach (51) is connected with electro-magnet (53).

7. The automatic centering and riveting device for the outer cover assembly motor according to claim 6, wherein: one end, facing the brake rod (52), of the electromagnet (53) is connected with a second spring (54), one end, far away from the electromagnet (53), of the second spring (54) is connected with a magnet block (55), and a third spring (56) is connected between one end, far away from the second spring (54), of the magnet block (55) and the brake rod (52).

8. The automatic centering and riveting device for the outer cover assembly motor according to claim 1, wherein: the bottom of the motor shell (15) is provided with a positioning hole (13), the placing table (1) is connected with a positioning needle (11), and the positioning needle (11) is inserted into the positioning hole (13).