CN217508533U

CN217508533U - Hot jacket frock of motor stator

Info

Publication number: CN217508533U
Application number: CN202221682771.XU
Authority: CN
Inventors: 胡二龙; 付江寒; 马刚
Original assignee: Beijing Jingdiao Group Co Ltd
Current assignee: Beijing Jingdiao Group Co Ltd
Priority date: 2022-07-02
Filing date: 2022-07-02
Publication date: 2022-09-27
Anticipated expiration: 2032-07-02

Abstract

The utility model relates to a shrink fit tool of a motor stator, aiming at providing a tool which can directly tighten, position and shrink fit an assembly body formed by splicing a plurality of stator blocks, comprising a bottom plate, a positioning device, a rounding mandrel, a left holding block, a right holding block and a mobile driving device, wherein the positioning device is arranged on the bottom plate, and the rounding mandrel is matched and positioned on the positioning device; the left holding block and the right holding block are distributed in bilateral symmetry by taking the full-circle mandrel as a center, are arranged on the bottom plate through the moving driving device, can move synchronously in the left-right direction under the action of the moving driving device, and can move synchronously in the up-down direction relative to the moving driving device. The utility model discloses simple structure, easily operation, applicable in the motor of multiple model, easily change production.

Description

Hot jacket frock of motor stator

Technical Field

The utility model belongs to the motor field of making, in particular to motor stator's heat jacket frock for the heat jacket of motor housing and stator.

Background

The heat jacket process is to heat and expand the containing part on the contained part by utilizing the principle of expansion with heat and contraction with cold, then the contained part is cooled and contracted to realize interference fit with the contained part, and in the field of motor production, the process is often adopted to complete the assembly of a motor stator and a stator shell. Can directly carry out the shrink fit cooperation to cylinder motor stator, and to the shrink fit process of the stator assembly body that is formed by a plurality of stator piece amalgamations, then need earlier to the assembly body of a plurality of stator piece amalgamations carry out operations such as welding or bonding, make it to be a whole after reuse shrink fit frock and carry out the shrink fit, the frock process is numerous, difficult operation, and current stator piece amalgamation, tighten up, the welding position frock all adopts the chuck to realize fixing a position and tighten up, this kind of location, it is comparatively loaded down with trivial details to tighten up the mode, and to different series of motors, need change different frock, be difficult for switching to produce.

Disclosure of Invention

An object of the utility model is to overcome prior art not enough, provide one kind and can directly tighten up, fix a position and the frock of hot jacket to the assembly body that a plurality of stator piece amalgamation formed, simple structure, easily operation to applicable motor in multiple model, easily change production.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: a shrink fit tool for a motor stator comprises a bottom plate, a positioning device, a rounding mandrel, a left holding block, a right holding block and a mobile driving device, wherein the positioning device is arranged on the bottom plate, and the rounding mandrel is matched and positioned on the positioning device; the left holding block and the right holding block are symmetrically distributed in the left-right direction by taking the full-circle mandrel as a center, are arranged on the bottom plate through the moving driving device, can move synchronously in the left-right direction under the action of the moving driving device, and can move synchronously in the up-down direction relative to the moving driving device.

According to the shrink fit tool for the motor stator, the magnet is embedded in the outer circumferential surface of the full-circle mandrel, and a stator block assembly body can be adsorbed and positioned; the stator block assembly can be tightly held or loosened when the left holding block and the right holding block move left and right relatively.

The hot jacket frock of above-mentioned motor stator still includes the manipulator, the manipulator can with the stator casing cover after the heating in whole circle epaxial stator piece assembly body is last to it holds tightly the piece and holds tightly the piece downstream with the right side to promote through stator casing.

Above-mentioned hot jacket frock of motor stator, the below of the piece is embraced tightly on a left side and the piece is embraced tightly on the right side is provided with reset spring respectively, and the piece is embraced tightly on a left side and the piece is embraced tightly on the right side and can upwards reset under reset spring effect.

According to the shrink fit tool for the motor stator, the movement driving device comprises a driving motor, transverse guide rails, a bidirectional screw rod, a left sliding table, a right sliding table, a left turning plate, a right turning plate and vertical guide rails, the two transverse guide rails are installed on the bottom plate along the left and right directions, the bidirectional screw rod is arranged in parallel with the transverse guide rails and is connected to the output end of the driving motor, and the driving motor is installed on the bottom plate; the left sliding table and the right sliding table are respectively connected with the bidirectional screw rod, act on the transverse guide rail through the sliding block respectively and can move relatively along the transverse guide rail under the action of the driving motor; the left transfer plate and the right transfer plate are respectively arranged on the left sliding table and the right sliding table, vertical guide rails are respectively arranged on the left transfer plate and the right transfer plate, and the left enclasping block and the right enclasping block are respectively arranged on the vertical guide rails of the left transfer plate and the right transfer plate in a sliding manner and can respectively move up and down along the vertical guide rails; and guide rods are respectively connected between the left clasping block and the left sliding table and between the right clasping block and the right sliding table, and the reset springs are respectively sleeved on the guide rods.

Above-mentioned motor stator's hot cover frock, between left side fishplate bar and the left slip table and between right fishplate bar and the right slip table respectively through buffering guide rail hookup, on buffering guide rail is fixed in left slip table and right slip table respectively along controlling the direction, left side fishplate bar and right fishplate bar slide action respectively on buffering guide rail to be provided with buffer spring between left side fishplate bar and the left slip table and between right fishplate bar and the right slip table respectively.

According to the shrink fit tool for the motor stator, the positioning device comprises the positioning base and the detachable positioning block, the positioning base is fixed on the bottom plate, and the detachable positioning block is arranged on the positioning base; the rounding mandrel is positioned on the positioning base through the detachable positioning block.

Above-mentioned hot cover frock of motor stator, the upper end of rounding dabber is provided with the dabber blind rivet, can carry out quick replacement to rounding dabber through pulling dabber blind rivet.

According to the shrink fit tool for the motor stator, the rounding mandrel is further provided with a stator supporting seat, and the stator supporting seat is sleeved on the outer side of the rounding mandrel and fixed through the threaded taper pin; the axial different positions of the whole-circle core shaft are respectively provided with a plurality of groups of pin holes along the circumferential direction, and the installation height of the stator supporting seat on the whole-circle core shaft can be adjusted through the matching of the threaded taper pin and the pin holes at different positions.

According to the shrink fit tool for the motor stator, the manipulator comprises a manipulator moving assembly, a zero point quick-changing device and a shell clamping device, wherein the zero point quick-changing device is mounted on the manipulator moving assembly and can move along with the manipulator moving assembly; the lower end of the zero point quick-change device is provided with a blind rivet matching position which can be matched with the mandrel blind rivet to tighten the mandrel blind rivet; the shell clamping device comprises an air cylinder mounting plate, a quick-change rivet, a clamping air cylinder and a shell clamping jaw, the quick-change rivet is fixed at the upper end of the air cylinder mounting plate, the quick-change rivet can be quickly assembled and disassembled in the rivet matching position, the clamping air cylinder is mounted at the lower end of the air cylinder mounting plate, the shell clamping jaw is mounted at the output end of the clamping air cylinder, and the stator shell can be clamped or loosened under the action of the clamping air cylinder.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a slidingtype tightening structure to on the basis of the stator piece assembly body is tightened up in the realization, added tightening structure and slided the function from top to bottom, can make the shrink fit process go on with tightening up the process in step, not only avoided welding process, realized directly tightening up, location and shrink fit the stator piece assembly body after the amalgamation, the shrink fit process is more stable moreover, can not produce the stator piece and prick stator housing inner wall and then lead to the phenomenon that the shrink fit process ended, moreover, the steam generator is simple in structure, easily operation. In addition, only the left holding block and the right holding block need to be replaced for the heat jacket of the motors of different models, and the production conversion is convenient.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention.

Fig. 2 is a schematic view of the internal connection structure of the present invention.

Fig. 3 is a schematic diagram of the zero point quick-change device of the manipulator of the present invention.

Fig. 4 is a schematic view of the housing clamping device of the robot of the present invention.

Detailed Description

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

It is shown in combination with fig. 1 and 2 that the utility model discloses a motor stator's hot jacket frock, including bottom plate 1, driving motor 2, transverse guide 3, two-way lead screw 4, left slip table 5, right slip table 6, left fishplate bar 7, right fishplate bar 8, buffer guide 9, buffer spring 10, the block 11 is held tightly in a left side, the block 12 is held tightly in the right side, vertical guide 13, guide bar 14, reset spring 15, location base 16, but split locating piece 17 and full circle dabber 18.

Two transverse guide rails 3 are fixedly arranged on the bottom plate 1 along the left-right direction, a bidirectional screw rod 4 is arranged in parallel with the transverse guide rails 3 and is connected to the output end of a driving motor 2, and the driving motor 2 is arranged on the bottom plate 1. The left sliding table 5 and the right sliding table 6 are respectively connected with the bidirectional screw rod 4, act on the transverse guide rail 3 through the sliding blocks respectively, and can relatively synchronously move along the transverse guide rail 3 under the action of the driving motor 2. Fixed mounting has buffering guide rail 9 on left side slip table 5 and the right slip table 6 respectively, buffering guide rail 9 and transverse guide 3 parallel arrangement, left side commentaries on classics fishplate bar 7 and right commentaries on classics fishplate bar 8 slide respectively and act on buffering guide rail 9 on left slip table 5 and the right slip table 6 on to be provided with buffer spring 10 between left side commentaries on classics fishplate bar 7 and left slip table 5 and between right commentaries on classics fishplate bar 8 and right slip table 6 respectively, can provide buffering and small-size displacement for left side commentaries on classics fishplate bar 7 and right commentaries on classics fishplate bar 8. All be provided with vertical guide rail 13 on left fishplate bar 7 and the right fishplate bar 8, the block 11 is embraced tightly to a left side and the block 12 is embraced tightly to the right side respectively slidable mounting on the vertical guide rail 13 of left fishplate bar 7 and right fishplate bar 8 to can follow vertical guide rail 13 respectively and slide from top to bottom. Simultaneously still be provided with guide bar 14 respectively between the piece is embraced tightly to the left side 11 and the left slip table 5 and between the piece is embraced tightly to the right side 12 and the right slip table 6, guide bar 14 respectively with left slip table 5 and the fixed hookup of right slip table 6, the piece is embraced tightly to the left side 11 and the piece is embraced tightly to the right side 12 then can carry out relative movement with guide bar 14 respectively. Each guide rod 14 is sleeved with a return spring 15, and the left enclasping block 11 and the right enclasping block 12 can be reset upwards under the action of the return springs 15 after moving downwards.

The last fixed mounting of bottom plate 1 has location base 16, and location base 16 sets up in the intermediate position of left slip table 5 and right slip table 6, makes left slip table 5 and right slip table 6 use location base 16 to distribute as central bilateral symmetry. The central position of the positioning base 16 is provided with a detachable positioning block 17, and the rounding mandrel 18 is arranged on the positioning base 16 through the detachable positioning block 17, so that the rounding mandrel 18 is positioned. The top of the rounding mandrel 18 is also provided with a mandrel rivet 21, and the mandrel rivet 21 can be grabbed by a manipulator to realize the quick replacement of the rounding mandrel 18.

The rounding mandrel 18 can perform inner circle positioning on the stator block assembly 22, and the permanent magnet is embedded on the outer circumferential surface of the rounding mandrel 18 and can adsorb the stator blocks of the stator block assembly 22 to prevent the stator blocks from falling. For the installation location of stator piece, still be provided with stator supporting seat 19 on whole circle dabber 18 for the convenience of stator piece, whole circle dabber 18 is located to stator supporting seat 19 cover, and it is fixed through screw thread taper pin 20, fix a position stator piece lower extreme face with stator supporting seat 19, can guarantee that the stator piece height is unanimous, and for making a whole circle dabber 18 can adapt to the location installation of multiple height stator piece, be provided with multiunit pinhole along circumference respectively in the different height departments of whole circle dabber 18, through the adjustable stator supporting seat of the cooperation of selecting screw thread taper pin 20 and different height department pinhole at whole circle spindle mounting height, thereby adapt to the stator piece of co-altitude not.

A manipulator can be used to sleeve the heated stator housing on the stator block assembly 22 for shrink fit, and as shown in fig. 3 and 4, the manipulator structure adopted in this embodiment includes a manipulator moving rod 23, a connecting plate 24, a zero-point quick-change mounting plate 25, a zero-point quick-change device 26, and a housing clamping device composed of a quick-change rivet 27, a cylinder mounting plate 29, a clamping cylinder 30, an adapter plate 31, a positioning plate 32, and a housing clamping jaw 33. The zero-point quick-change device 26 is fixed on the zero-point quick-change mounting plate 25, the zero-point quick-change mounting plate 25 is mounted at the lower end of the manipulator moving rod 23 through the connecting plate 24, and the manipulator moving rod 23 drives the zero-point quick-change device 26 to move sequentially through the screw rod connecting plate 24 and the zero-point quick-change mounting plate 25. The quick-change rivet 27 is fixed at the upper end of the cylinder mounting plate 29, the clamping cylinder 30 is mounted at the lower end of the cylinder mounting plate 29, and the shell clamping jaw 33 is mounted at the lower end of the clamping cylinder 30 through the adapter plate 31 and the positioning plate 32, so that the stator shell 34 can be clamped or loosened under the action of the clamping cylinder 30.

The zero point quick-change device 26 is provided with a rivet matching position 262 which can be matched with the quick-change rivet 27. The housing clamping device can be quickly attached to and detached from the two-point quick-change device 26 by means of quick-change tabs 27. In order to prevent circumferential movement of the housing clamping device, a positioning pin 28 is provided on the cylinder mounting plate 29, and a positioning pin matching position 261 is provided at the lower end of the zero-point quick-change device 26, so that circumferential positioning of the housing clamping device is realized through the mutual matching of the positioning pin 28 and the positioning pin matching position 261. The blind rivet matching 262 can also be matched with the mandrel blind rivet 21, and after the shell clamping device is detached from the zero point quick-change device 26, the mandrel blind rivet 21 is tensioned by the zero point quick-change device 26, so that the grabbing and the transmission of the full-circle mandrel are realized.

The utility model discloses when the assembly, can install stator piece assembly body 22 on whole circle dabber 18 earlier, then will have stator piece assembly body 22's whole circle dabber 18 to grab through the manipulator and get location base 16 on to but fix a position through split locating piece 17. After the positioning is completed, the driving motor 2 drives the bidirectional screw rod 4 to rotate, and the left holding block 11 and the right holding block 12 are driven to move relatively to the central position through the left sliding table 5, the right sliding table 6, the left transfer plate 7 and the right transfer plate 8 in sequence, so that the stator block assembly 22 is held tightly. Then the heated stator housing 34 is grabbed by the shell clamping jaws 33 of the manipulator, the stator housing 34 is driven by the manipulator moving rod 23 to move right above the stator block assembly 22 and move downwards, the stator housing 34 is pushed by the manipulator to be respectively pressed on the upper end faces of the left holding block 11 and the right holding block 12 and push the left holding block 11 and the right holding block 12 to move downwards until two thirds of the thermal jacket of the stator housing 34 and the stator block assembly 22 is completed, the driving motor 2 rotates reversely, the left holding block 11 and the right holding block 12 move outwards to loosen the stator block assembly 22, the manipulator 23 drives the stator housing 34 to continuously move downwards until the whole thermal jacket of the stator housing 34 and the stator block assembly 22 is completed, and the shell clamping jaws 33 loosen the stator housing 34, namely, so that one-time thermal jacket is completed. At this time, the shell clamping device mounted on the zero point quick-change device 26 can be transported to a designated position and then loosened, the zero point quick-change device 26 is used for grabbing the mandrel rivet 21 of the rounding mandrel 18, the sheathed stator assembly together with the rounding mandrel 18 is moved away from the positioning base 16 and transported to the next process, and then the zero point quick-change device 26 is used for grabbing the rounding mandrel with the next stator block assembly to continue the above operation.

To the not unidimensional stator piece assembly body 22 and stator housing 34, need not right the utility model discloses carry out the whole change, only need to change the left side and hold tightly piece 11 and the right side and hold tightly piece 12 and the whole round dabber 18 that corresponds can, application scope is wide, changes the production convenience.

Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can make various modifications according to the principle of the present invention. Therefore, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.

Claims

1. A shrink fit tool for a motor stator is characterized by comprising a bottom plate, a positioning device, a rounding mandrel, a left holding block, a right holding block and a mobile driving device, wherein the positioning device is arranged on the bottom plate, and the rounding mandrel is matched and positioned on the positioning device; the left holding block and the right holding block are distributed in bilateral symmetry by taking the full-circle mandrel as a center, are arranged on the bottom plate through the moving driving device, can move synchronously in the left-right direction under the action of the moving driving device, and can move synchronously in the up-down direction relative to the moving driving device.

2. The shrink fit tool for the motor stator as claimed in claim 1, wherein magnets are embedded on the outer circumferential surface of the full-circle mandrel, so that a stator block assembly can be adsorbed and positioned; the stator block assembly can be tightly held or loosened when the left holding block and the right holding block move left and right relatively.

3. The shrink fit tool for the motor stator according to claim 2, further comprising a manipulator, wherein the manipulator can sleeve the heated stator housing on the stator block assembly on the rounding mandrel and push the left holding block and the right holding block to move downwards through the stator housing.

4. The shrink fit tool for the motor stator according to claim 3, wherein return springs are respectively arranged below the left holding block and the right holding block, and the left holding block and the right holding block can be reset upwards under the action of the return springs.

5. The shrink fit tool for the motor stator according to claim 4, wherein the movement driving device comprises a driving motor, transverse guide rails, a bidirectional screw rod, a left sliding table, a right sliding table, a left turning plate, a right turning plate and vertical guide rails, the two transverse guide rails are installed on the bottom plate along the left and right directions, the bidirectional screw rod is arranged in parallel with the transverse guide rails and is connected to the output end of the driving motor, and the driving motor is installed on the bottom plate; the left sliding table and the right sliding table are respectively connected with the bidirectional screw rod, act on the transverse guide rail through the sliding block respectively and can move relatively along the transverse guide rail under the action of the driving motor; the left transfer plate and the right transfer plate are respectively arranged on the left sliding table and the right sliding table, vertical guide rails are respectively arranged on the left transfer plate and the right transfer plate, and the left holding block and the right holding block are respectively arranged on the vertical guide rails of the left transfer plate and the right transfer plate in a sliding mode and can respectively move up and down along the vertical guide rails; and guide rods are respectively connected between the left clasping block and the left sliding table and between the right clasping block and the right sliding table, and the reset springs are respectively sleeved on the guide rods.

6. The hot jacket frock of motor stator of claim 5, characterized in that, between left fishplate bar and the left slip table and between right fishplate bar and the right slip table respectively through the hookup of buffering guide rail, buffering guide rail is fixed in respectively on left slip table and the right slip table along controlling the direction, left fishplate bar and right fishplate bar slide respectively and act on buffering guide rail on to be provided with buffer spring respectively between left fishplate bar and the left slip table and between right fishplate bar and the right slip table.

7. The heat jacket tool for the motor stator as claimed in any one of claims 3 to 6, wherein the positioning device comprises a positioning base and a detachable positioning block, the positioning base is fixed on the bottom plate, and the detachable positioning block is mounted on the positioning base; the rounding mandrel is positioned on the positioning base through the detachable positioning block.

8. The tool for sleeving the motor stator as claimed in claim 7, wherein the upper end of the rounding mandrel is provided with a mandrel rivet, and the rounding mandrel can be rapidly replaced by pulling the mandrel rivet.

9. The tool for sleeving the motor stator according to claim 8, wherein the rounding mandrel is further provided with a stator supporting seat, and the stator supporting seat is sleeved on the outer side of the rounding mandrel and fixed through a threaded taper pin; the axial different positions of the whole-circle core shaft are respectively provided with a plurality of groups of pin holes along the circumferential direction, and the installation height of the stator supporting seat on the whole-circle core shaft can be adjusted through the matching of the threaded taper pin and the pin holes at different positions.

10. The shrink fit tool for the motor stator according to claim 8, wherein the manipulator comprises a manipulator moving assembly, a zero point quick-change device and a shell clamping device, and the zero point quick-change device is mounted on the manipulator moving assembly and can move together with the manipulator moving assembly; the lower end of the zero point quick-change device is provided with a blind rivet matching position which can be matched with the mandrel blind rivet to tighten the mandrel blind rivet; the shell clamping device comprises an air cylinder mounting plate, a quick-change rivet, a clamping air cylinder and a shell clamping jaw, the quick-change rivet is fixed at the upper end of the air cylinder mounting plate, the quick-change rivet can be quickly assembled and disassembled in the rivet matching position, the clamping air cylinder is mounted at the lower end of the air cylinder mounting plate, the shell clamping jaw is mounted at the output end of the clamping air cylinder, and the stator shell can be clamped or loosened under the action of the clamping air cylinder.