CN114799819A

CN114799819A - Press mounting tool for lower cover of centrally-mounted motor

Info

Publication number: CN114799819A
Application number: CN202210205389.8A
Authority: CN
Inventors: 谢胜川; 杨克旻; 李占平; 王磊; 舒凤
Original assignee: Ningbo Sinyuan Zm Technology Co ltd
Current assignee: Ningbo Sinyuan Zm Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-29
Anticipated expiration: 2042-03-02
Also published as: CN114799819B

Abstract

The application relates to a press mounting tool for a lower cover of a centrally-mounted motor, which belongs to the field of press mounting of machine covers and comprises a base for placing a lower cover body, wherein a clamping mechanism is arranged on the base, the clamping mechanism comprises a pre-positioning assembly and a clamping assembly, and the pre-positioning assembly and the clamping assembly are both arranged on the base; the pre-positioning assembly comprises a positioning column and a positioning block, the positioning column and the positioning block are both arranged on the base, a plurality of positioning holes are formed in the lower cover body, the positioning columns are correspondingly arranged in the positioning holes, and the positioning block is abutted to the outer wall of the lower cover body. This application is at the in-process that uses, and operating personnel uses the prepositioning subassembly earlier to carry on spacingly to the lower cover body, uses the centre gripping subassembly to further prescribe a limit to the position of lower cover body again, has improved the positioning accuracy of this equipment to the lower cover body to the follow-up installation accuracy of this equipment man-hour to the lower cover body has been improved.

Description

Press mounting tool for lower cover of centrally-mounted motor

Technical Field

The application relates to the field of press fitting of machine covers, in particular to a press fitting tool for a lower cover of an in-built motor.

Background

The motor lower cover is an important component of the motor and plays a role in protecting components inside the motor.

At present, an operator generally places the motor lower cover in a press-fitting machine directly, then uses an air cylinder to clamp and fix the motor lower cover directly, and then uses a press-fitting tool to press-fit the motor lower cover.

In view of the above related technologies, the inventor found that in the process of directly clamping the lower motor cover by using the air cylinder, an operator is prone to cause deviation of the position of the lower motor cover, so that the positioning accuracy of the press-fitting machine on the lower motor cover is reduced, and the defect that the press-fitting machine has low installation accuracy on the lower motor cover exists.

Disclosure of Invention

In order to improve the installation accuracy of pressure equipment machine to the motor lower cover, this application provides the pressure equipment frock of putting motor lower cover in.

The application provides a put pressure equipment frock of motor lower cover in, adopts following technical scheme:

a press mounting tool for a lower cover of a centrally-mounted motor comprises a base for placing a lower cover body, wherein a clamping mechanism is arranged on the base, the clamping mechanism comprises a pre-positioning assembly and a clamping assembly, and the pre-positioning assembly and the clamping assembly are both arranged on the base;

the pre-positioning assembly comprises a positioning column and a positioning block, the positioning column and the positioning block are both arranged on the base, a plurality of positioning holes are formed in the lower cover body, the positioning holes are correspondingly provided with the positioning column, and the positioning block is abutted to the outer wall of the lower cover body.

Through adopting above-mentioned technical scheme, add man-hour to the lower cover body, operating personnel places the lower cover body between the locating piece for the locating piece offsets tightly with the outer wall of lower cover body, provides the location for the lower cover body. Simultaneously, the reference column inserts in the locating hole and with the chucking of locating hole, further provides spacingly for the lower cover body, and reference column and locating piece provide spacingly for the lower cover body simultaneously this moment for the lower cover body is difficult for taking place the skew in the pressure equipment in later stage, reuses the centre gripping subassembly and carries out the secondary location to the lower cover body, has further improved the positioning accuracy of this equipment to the lower cover body, thereby has improved the follow-up installation accuracy when pressing equipment to the lower cover body of this equipment.

Preferably, the clamping assembly comprises a plurality of corner oil cylinders which are arranged on the base, and the output ends of the corner oil cylinders move towards the lower cover body and clamp the lower cover body.

Through adopting above-mentioned technical scheme, after operating personnel used locating piece and reference column to the position of lower cover body spacing, operating personnel started the corner hydro-cylinder, and the output of corner hydro-cylinder rises and rotates towards the direction of lower cover body, carries out the centre gripping to the lower cover body again and makes the lower cover body more difficult emergence skew at the in-process of later stage pressure equipment, has improved the installation accuracy of this pressure equipment frock to the lower cover body.

Preferably, the base is provided with a support component, and the support component is abutted against one side of the lower cover body facing the base;

the supporting component comprises a plurality of supporting rods, the supporting rods are arranged on the base, and when the lower cover body is pressed, the supporting rods are abutted to the lower cover body.

Through adopting above-mentioned technical scheme, when operating personnel placed the lower cover body on the base, the bracing piece provided the support for the lower cover body is difficult direct and the base contact. Meanwhile, when the lower cover body is pressed, the supporting rod enables the pressure of the equipment on the lower cover body to be not easy to completely act on the processing position of the lower cover body, so that the possibility of deformation of the lower cover body in the subsequent processing process is reduced, and the installation precision of the equipment on the lower cover body is improved.

Preferably, a supporting column is arranged at a corner of the base, a supporting seat is arranged at one end, far away from the base, of the supporting column, and a press-fitting mechanism is arranged on the supporting seat;

the press-fitting mechanism comprises a press-fitting assembly and a driving assembly, the press-fitting assembly is arranged on one side, close to the lower cover body, of the supporting seat, the driving assembly is arranged on the supporting seat, and the driving assembly drives the press-fitting assembly to move towards the lower cover body and press-fit the lower cover body.

Through adopting above-mentioned technical scheme, when needs carry out the pressure equipment to the lower cover body, operating personnel starts drive assembly, and drive assembly drives the pressure equipment subassembly and removes towards the lower cover body, and when pressure equipment subassembly and lower cover body contact, accomplish the pressure equipment of lower cover body, prepositioning subassembly and the centre gripping subassembly on the base provide spacingly to the lower cover body this moment, for the pressure equipment subassembly comparatively accurately provides convenience to the pressure equipment of lower cover body, improved the installation accuracy of this equipment to the lower cover body simultaneously.

Preferably, a guide assembly is arranged on the supporting seat and connected with the press-fitting assembly, and the driving assembly drives the press-fitting assembly to move towards the lower cover body along the guide assembly and press-fit the lower cover body.

Through adopting above-mentioned technical scheme, when this equipment carries out the pressure equipment to the lower cover body, operating personnel starts drive assembly, and drive assembly control pressure equipment subassembly moves towards the lower cover body, and the pressure equipment subassembly moves along the direction subassembly this moment, further makes the pressure equipment subassembly can carry out the pressure equipment to the lower cover body comparatively accurately to the installation accuracy of this equipment to the lower cover body has been improved.

Preferably, be equipped with spacing subassembly on the base, spacing subassembly includes spacing post and stopper, the one end that the base was kept away from to spacing post is inconsistent with the pressure equipment subassembly, a plurality of spacing holes have been seted up on the base, a plurality of processing holes have been seted up on the lower cover body, and is a plurality of spacing hole and a plurality of processing hole one-to-one and communicate each other, it is a plurality of all correspond in the spacing hole and set up a stopper.

Through adopting above-mentioned technical scheme, carry out the in-process of pressure equipment to the lower cover body at this equipment, when pressure equipment subassembly was inconsistent with spacing post, operating personnel controlled drive assembly, drive assembly drove the position removal that the lower cover body was kept away from to the pressure equipment subassembly orientation, accomplish the pressure equipment of this equipment to the lower cover body this moment, and spacing post provides spacingly for the pressure equipment subassembly makes the pressure equipment subassembly be difficult for excessively to the lower cover body pressure equipment, thereby has improved the installation accuracy of this equipment to the lower cover body. When the press fitting assembly is in conflict with the limiting column, the part of the lower cover body which is subjected to press fitting by the equipment is in conflict with the output end of the limiting stopper, and the limiting stopper sends a signal at the moment, so that the press fitting assembly is difficult to continue to press fit the lower cover body, the possibility that the press fitting assembly continuously presses the lower cover body to cause the damage of the lower cover body is reduced, and the installation precision of the equipment to the lower cover body is improved.

Preferably, the holding tank has been seted up to one side that the locating piece is close to the lower cover body, can dismantle in the holding tank and be connected with the bearing subassembly, the bearing subassembly includes bearing seat and a plurality of ball, the bearing seat can be dismantled and connect in the holding tank, and is a plurality of the ball evenly inlays and establishes the one side of keeping away from the locating piece at the bearing seat, and is a plurality of the ball all offsets with the outer wall of lower cover body.

Through adopting above-mentioned technical scheme, when operating personnel placed the lower cover body, the outer wall of lower cover body contacted with the ball, and the lower cover body drives the ball and rotates, and the ball makes the sliding friction between lower cover body and the locating piece become rolling friction this moment, makes the frictional force between lower cover body and the locating piece reduce, thereby makes the wearing and tearing between locating piece and the lower cover body reduce, thereby makes the locating piece improve the positioning accuracy of lower cover body, for this equipment follow-up installation accuracy to the lower cover body improves.

Preferably, a first mounting groove is formed in one side, close to the holding seat, of the holding tank, an installation block is connected to the first mounting groove in a sliding mode, a spring is arranged between the installation block and the first mounting groove, a second mounting groove is formed in one side, close to the holding tank, of the holding seat, and the installation block is arranged in the second mounting groove.

Through adopting the above technical scheme, when needs are installed bearing seat and locating piece, operating personnel puts into the in-process of holding tank with the bearing seat, bearing seat offsets with the installation piece and makes the installation piece retract into first mounting groove, when the position of first mounting groove and second mounting groove is relative to each other, under the effect of spring, installation piece part stretches into in the second mounting groove and with second mounting groove looks chucking, accomplish the fixed of bearing seat and locating piece this moment, facilitate for the fixed of bearing seat and locating piece, the ball makes the frictional force between locating piece and the lower cover body reduce simultaneously, the possibility that the lower cover body takes place the wearing and tearing has been reduced effectively, make the locating piece improve the positioning accuracy of lower cover body, the follow-up installation accuracy to the lower cover body of this equipment has improved.

Preferably, the holding tank is kept away from one side of bearing seat and has been seted up the dismantlement groove, the dismantlement groove is linked together with first mounting groove, sliding connection has the dismantlement pole in the dismantlement groove, the dismantlement pole extends to in the first mounting groove and is connected with the installation piece.

Through adopting above-mentioned technical scheme, when the ball takes place wearing and tearing, operating personnel pulls the dismounting rod towards one side of keeping away from the bearing seat, the dismounting rod drives the direction removal of installation piece orientation keeping away from the second mounting groove, when installation piece and second mounting groove separation, operating personnel moves the bearing seat towards the direction of keeping away from the locating piece, make bearing seat and locating piece separation, in order to accomplish the separation of bearing group and locating piece, facilitate for the change of ball, the ball tenon has been reduced simultaneously and the possibility that causes locating piece positioning accuracy to reduce.

Preferably, the locating piece passes through fixed subassembly setting on the base, fixed subassembly includes for the locating piece provides the spacing first mounting of horizontal direction and for the locating piece provides the spacing second mounting of vertical direction, first fixed slot and second fixed slot have been seted up on the base, first mounting sets up in first fixed slot, the second mounting sets up in the second fixed slot.

Through adopting above-mentioned technical scheme, when needs are installed the locating piece, operating personnel places the locating piece on the base, operating personnel uses first mounting to provide ascending fixed in the horizontal direction for the locating piece this moment, make the locating piece be difficult for taking place the ascending displacement in the horizontal direction at the in-process that uses, reuse second mounting to fix the locating piece, second mounting provides ascending fixed in the vertical direction for the locating piece this moment, the in-process that the locating piece was used again under the cooperation of first mounting and second mounting is more difficult for taking place the skew, make the locating piece comparatively accurately fix a position for the position of lower cover body, thereby the follow-up installation accuracy to the lower cover body of this equipment has been improved, simultaneously facilitate for the installation of locating piece.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the pre-positioning assembly and the clamping assembly, the pre-positioning assembly provides first-step limiting for the lower cover body, and the clamping assembly provides further limiting for the lower cover body, so that the lower cover body is not easy to deviate in the subsequent processing process, and the mounting precision of the equipment is improved;

by arranging the guide assembly, when the equipment processes the lower cover body, the guide assembly provides guide for the press-fitting assembly, so that the press-fitting assembly can press-fit the lower cover body more accurately, and the installation precision of the equipment on the lower cover body is improved;

through setting up the ball, the ball makes the sliding friction between lower cover body and the locating piece become rolling friction for the difficult wearing and tearing that take place of contact department of locating piece and lower cover body have reduced the possibility that the locating piece is low to lower cover body positioning accuracy.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural view for embodying the lower cover body;

FIG. 4 is a schematic structural diagram for showing the positional relationship between the position-limiting assembly and the base;

FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;

FIG. 6 is a schematic structural diagram for showing the positional relationship between the positioning block and the base;

FIG. 7 is an enlarged schematic view of the portion C of FIG. 6;

FIG. 8 is a schematic structural view illustrating the positional relationship between the lower cover body and the supporting base;

FIG. 9 is a schematic structural diagram for showing the positional relationship between the first fixing member and the second fixing member;

FIG. 10 is a schematic structural view for embodying a first fixing member;

FIG. 11 is an enlarged schematic view of the portion D of FIG. 10;

FIG. 12 is a schematic structural diagram illustrating a positional relationship between the first fixing member, the second fixing member and the base;

fig. 13 is an enlarged schematic view of a portion E in fig. 12.

Description of reference numerals: 1. a lower cover body; 11. positioning holes; 12. machining a hole; 2. a base; 21. a support pillar; 22. a supporting seat; 23. a guide assembly; 231. a guide shaft sleeve; 232. a guide post; 24. processing a base; 241. a hole of abdication; 25. pressing a rod; 26. a limiting component; 261. a limiting column; 262. a stopper; 263. a limiting hole; 27. a support cylinder; 28. a first fixing groove; 29. a second fixing groove; 3. a clamping mechanism; 31. a pre-positioning assembly; 311. positioning blocks; 312. a positioning column; 313. a fixing hole; 314. a dovetail-shaped chute; 315. a first mounting groove; 316. mounting blocks; 317. a spring; 318. disassembling the groove; 319. disassembling the rod; 32. a clamping assembly; 321. a corner oil cylinder; 323. accommodating grooves; 4. a press-fitting mechanism; 41. pressing the assembly; 411. pressing a plate; 412. pressing the column; 42. a drive assembly; 421. an oil hydraulic cylinder; 5. a support assembly; 51. a support bar; 6. a holding assembly; 61. a bearing seat; 612. a dovetail shaped slider; 613. a second mounting groove; 62. a ball bearing; 7. a fixing assembly; 71. a first fixing member; 711. a first control lever; 712. a control gear; 713. a telescopic rod; 714. a limiting sleeve; 715. a first rotating groove; 716. a second rotating groove; 717. rotating the sleeve; 718. a control hole; 719. a rack; 72. a second fixing member; 721. a second control lever; 722. rotating the disc; 723. a fixing rod; 724. a first rotating rack; 725. a second rotating rack; 726. a jack; 727. inserting a rod; 8. a cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses a press fitting tool for a lower cover of a centrally-mounted motor. Referring to fig. 1, the press mounting tool for the middle-placed motor lower cover comprises a base 2 for placing a lower cover body 1, and a clamping mechanism 3 is arranged on the base 2. The four corners department of base 2 is fixed with support column 21, and the one end that base 2 was kept away from to support column 21 is fixed with supporting seat 22, is equipped with pressure equipment mechanism 4 on the supporting seat 22. Before carrying out the pressure equipment to lower cover body 1, operating personnel places lower cover body 1 in prepositioning subassembly 31, prescribe a limit to the position of lower cover body 1 for the first time, reuse centre gripping subassembly 32 further prescribe a limit to the position of lower cover body 1, make lower cover body 1 difficult the emergence skew in the in-process that uses, in order to improve the subsequent installation accuracy of lower cover body 1, after lower cover body 1 position is prescribed a limit to, operating personnel uses pressure equipment mechanism 4 to carry out the pressure equipment to the part that lower cover body 1 needs the pressure equipment, prepositioning subassembly 31 and centre gripping subassembly 32 carry out dual spacing to lower cover body 1 this moment, make lower cover body 1 difficult the emergence skew in the in-process of follow-up processing, thereby improved the installation accuracy of pressure equipment mechanism 4 to lower cover body 1.

Referring to fig. 2 and 3, the clamping mechanism 3 includes a pre-positioning assembly 31 and a clamping assembly 32, the pre-positioning assembly 31 includes a plurality of positioning blocks 311 and positioning columns 312, a plurality of positioning holes 11 have been seted up to one side of the lower cover body 1 that is close to the base 2, all correspond in each positioning hole 11 and set up a positioning column 312, the positioning block 311 is disposed in the outside of the positioning column 312, one side of the positioning block 311 that is close to the lower cover body 1 is in adaptation with the outer wall of the lower cover body 1 and is abutted against the outer wall of the lower cover body 1.

Before the lower cover body 1 is pressed, an operator inserts the positioning column 312 into the positioning hole 11, the positioning column 312 limits the position of the lower cover body 1, the outer wall of the position, where the lower cover body 1 needs to be pressed, is abutted against the positioning block 311, the positioning block 311 simultaneously limits the position of the lower cover body 1, and the clamping assembly 32 is started to further limit the position of the lower cover body 1. When an operator subsequently uses the press-fitting mechanism 4 to process the lower cover body 1, the press-fitting position of the lower cover body 1 is determined by arranging the positioning block 311 and the positioning column 312, so that the possibility of deviation generated during press-fitting is reduced, and the installation accuracy of the equipment is improved.

Referring to fig. 1, the clamping assembly 32 includes a plurality of corner oil cylinders 321, each corner oil cylinder 321 is disposed outside the positioning column 312, an output end of the corner oil cylinder 321 rises, and rotates toward the lower cover body 1 again, and moves toward the outer wall of the lower cover body 1 and abuts against the outer wall of the lower cover body 1, and at this time, the corner oil cylinder 321 further limits the position of the lower cover body 1, so that the lower cover body 1 is not prone to shift during the press-fitting process, and therefore the press-fitting mechanism 4 is configured to process the lower cover body 1, and the installation accuracy of the press-fitting mechanism 4 is improved. After the press-fitting is completed, the operator controls the press-fitting mechanism 4 to reset, and then controls the corner oil cylinder 321 to reset, so that the operator can take out the press-fitted lower cover body 1.

Referring to fig. 1, a supporting component 5 is arranged on the base 2, and the supporting component 5 is arranged on the base 2 and is abutted to the lower cover body 1. The support assembly 5 includes a plurality of support rods 51, and the support rods 51 are fixed on the base 2. When operating personnel inconsistent lower cover body 1 and locating piece 311, one side that lower cover body 1 is close to base 2 offsets with bracing piece 51, when operating personnel used corner hydro-cylinder 321 to carry out the centre gripping to lower cover body 1, the output of corner hydro-cylinder 321 makes lower cover body 1 and bracing piece 51 offset tightly, bracing piece 51 makes lower cover body 1 be difficult for directly contacting with base 2 this moment, partial corner hydro-cylinder 321 has dispersed the pressure to lower cover body 1 simultaneously, make lower cover body 1 difficult emergence of deformation at the in-process of centre gripping, make corner hydro-cylinder 321 be difficult for producing the influence to installing additional of follow-up lower cover body 1.

Referring to fig. 1, the press-fitting mechanism 4 includes a press-fitting assembly 41 and a driving assembly 42, the press-fitting assembly 41 is disposed on one side of the supporting seat 22 close to the base 2, the driving assembly 42 is disposed on one side of the supporting seat 22 far from the base 2, and an output end of the driving assembly 42 is connected to the press-fitting assembly 41. The driving assembly 42 is configured as an oil pressure cylinder 421, an output end of the oil pressure cylinder 421 moves in a vertical direction, and the output end of the oil pressure cylinder 421 is connected with one side of the press-fitting assembly 41 away from the base 2.

After the operator uses the corner oil cylinder 321 to fix the lower cover body 1, the operator starts the oil cylinder 421, the oil cylinder 421 drives the press-fitting component 41 to move towards the lower cover body 1, so that the press-fitting component 41 performs press-fitting on the machining hole 12 of the lower cover body 1, at this moment, the corner oil cylinder 321, the positioning block 311 and the positioning column 312 are both limiting for the lower cover body 1, so that the press-fitting component 41 can perform press-fitting on the lower cover body 1 relatively accurately, and therefore the installation precision of the device on the lower cover body 1 is improved.

Referring to fig. 1 and 3, the press-fitting assembly 41 includes a pressing plate 411 and a plurality of pressing posts 412, the pressing plate 411 is disposed on one side of the supporting base 22 close to the base 2, one side of the pressing plate 411 far away from the base 2 is connected to an output end of the oil pressure cylinder 421, and each pressing post 412 is fixed on one side of the pressing plate 411 close to the base 2 and opposite to each machining hole 12. Be equipped with a plurality of processing seat 24 on the base 2, the processing hole 12 department of lower cover body 1 all corresponds and sets up a processing seat 24, has seted up on the processing seat 24 and has stepped down hole 241, all sets up a suppression pole 25 in the hole 241 of stepping down, and the axle center of compression leg 412, hole 241 and processing hole 12 of stepping down is in same straight line.

After the lower cover body 1 is fixed by the corner oil cylinder 321, the positioning block 311 and the positioning column 312, the operator places the pressing rod 25 in the abdicating hole 241, at the moment, the operator starts the oil pressure cylinder, the oil pressure cylinder drives the pressing plate 411 to move towards the lower cover body 1, the pressing rod 25 is pressed down to the processing hole 12 along the abdicating hole 241 by the pressing column 412, the processing seat 24 and the abdicating hole 241 provide limitation for the pressing column 412 and the pressing rod 25 at the moment, so that the pressing column 412 presses the pressing rod 25 to the lower cover body 1 more accurately, the installation accuracy of the press-fitting tool is improved, when the pressing rod 25 is tightly clamped with the processing hole 12 of the lower cover body 421, the operator controls the oil pressure cylinder to move towards the direction away from the lower cover body 1, and the processing of the lower cover body 1 is completed.

Referring to fig. 1, a guide assembly 23 is vertically disposed on one side of the supporting base 22 close to the base 2, and the guide assembly 23 is connected to the press-fitting assembly 41. When operating personnel started drive assembly 42, pressure equipment subassembly 41 removed towards lower cover body 1 along guide assembly 23, and guide assembly 23 provided spacing and made pressure equipment subassembly 41 carry out the pressure equipment to lower cover body 1 comparatively accurately for the removal of pressure equipment subassembly 41 this moment to the installation accuracy of this equipment has been improved.

Referring to fig. 1, the guiding assembly 23 includes a guiding shaft sleeve 231 and a guiding post 232, the guiding shaft sleeve 231 is fixed on the supporting seat 22, the guiding post 232 penetrates through and is slidably connected in the guiding shaft sleeve 231 along the vertical direction, and the guiding post 232 and a side of the pressing plate 411 far away from the base 2 are fixed. When operating personnel carried out the pressure equipment to lower cover body 1, guide post 232 removed and driven clamp plate 411 and move towards lower cover body 1 along direction axle sleeve 231 for clamp plate 411 provides the direction, makes clamp plate 411's the difficult emergence skew of moving direction, so that the compression leg 412 more accurately with pressing the pressure equipment of depression bar 25 to lower cover body 1 in, thereby improved the installation accuracy of this equipment.

Referring to fig. 4 and 5, the base 2 is provided with the limiting assembly 26, the limiting assembly 26 includes a plurality of limiting posts 261 and a limiting stopper 262, each limiting post 261 is fixed at a corner of the base 2, a plurality of limiting holes 263 are provided on the base 2, each limiting hole 263 corresponds to one limiting stopper 262, the limiting stopper 262 is a pressure sensor, and the sensing end of the limiting stopper 262 is arranged towards the supporting seat 22. The limiting column 261 is arranged on the base 2, and the height of the limiting column 261 is higher than that of the processing seat 24 and the corner oil cylinder 321.

In the process of the operator to the lower cover body 1, the oil hydraulic cylinder 421 drives the pressing plate 411 to move towards the lower cover body 1, the pressing plate 411 drives the pressing column 412 to move towards the lower cover body 1, the pressing column 412 presses down the pressing rod 25, when the pressing rod 25 touches the sensing end of the limiter 262, and simultaneously, the pressing plate 411 is in contact with the limiting column 261 and provides limitation for the pressing plate 411 and the pressing column 412, the output end of the oil hydraulic cylinder 421 stops moving, and the press mounting of the lower cover body 1 is completed. The stopper 262 provides the limit for the degree of press fitting of the pressing rod 25, so that the pressing rod 25 is not easy to be pressed too much, the press fitting precision of the lower cover body 1 is improved, and the installation precision of the device is further improved.

Referring to fig. 4, a support cylinder 27 is disposed on the base 2, an output end of the support cylinder 27 abuts against an outer wall of the lower cover body 1, and an acting force of the support cylinder 27 on the lower cover body 1 is opposite to an acting force of the corner cylinder 321 on the lower cover body 1. After the operator uses corner hydro-cylinder 321 to fix, the operator starts supporting hydro-cylinder 27, the output of supporting hydro-cylinder 27 moves towards lower cover body 1 and carries on spacingly to lower cover body 1, provide the opposite effort in corner hydro-cylinder 321 for lower cover body 1 simultaneously, when compression leg 412 carries out the pressure equipment to lower cover body 1, supporting hydro-cylinder 27 provides the support for lower cover body 1, make lower cover body 1 difficult emergence of deformation at the in-process of processing, the smooth and easy degree when having improved compression leg 412 pressure equipment pole 25, thereby the installation accuracy of this equipment has been improved.

The implementation principle of the first embodiment of the application is as follows: when the lower cover body 1 needs to be pressed, an operator places the lower cover body 1 between the positioning blocks 311, at the moment, the lower cover body 1 is clamped with the positioning columns 312, the positioning columns 312 and the positioning blocks 311 limit the position of the lower cover body 1, the operator clamps the lower cover body 1 by using the clamping assembly 32, the clamping assembly 32 further limits the lower cover body 1 at the moment, and the positioning blocks 311, the positioning columns 312 and the clamping assembly 32 simultaneously limit the lower cover body 1, so that the subsequent installation precision of the device on the lower cover body 1 is improved; an operator starts the driving assembly 42 again, the driving assembly 42 controls the press-fitting assembly 41 to press-fit the lower cover body 1, under the action of the guide assembly 23, the press-fitting assembly 41 presses the lower cover body 1 relatively accurately, and under the action of the limiting assembly 26, the press-fitting assembly 41 is not easy to continue to press-fit the lower cover body 1, so that the possibility that the press-fitting assembly 41 continuously presses the lower cover body 1 to cause the damage of the lower cover body 1 is reduced, and meanwhile, the installation precision of the device to the lower cover body 1 is further improved.

Example two:

referring to fig. 6 and 7, the difference from the first embodiment is that: holding tank 323 has been seted up to one side that locating piece 311 is close to lower cover body 1, can dismantle in the holding tank 323 and be connected with bearing subassembly 6, and bearing subassembly 6 includes bearing seat 61 and a plurality of ball 62, and a plurality of ball 62 evenly inlay establish in bearing seat 61 keep away from one side of locating piece 311 and inconsistent with lower cover body 1.

When an operator places the lower cover body 1 at the positioning block 311, the lower cover body 1 is abutted to the ball 62 and drives the ball 62 to rotate, the ball 62 enables sliding friction between the lower cover body 1 and the positioning block 311 to be rolling friction, friction between the lower cover body 1 and the positioning block 311 is reduced, possibility of reduction of positioning accuracy of the positioning block 311 to the lower cover body 1 caused by abrasion between the lower cover body 1 and the positioning block 311 is reduced, processing of the lower cover body 1 by subsequent equipment is facilitated, and installation accuracy of the equipment to the lower cover body 1 is improved.

Referring to fig. 7 and 8, a dovetail sliding groove 314 is formed in a side wall of the accommodating groove 323, a dovetail sliding block 612 is integrally formed on the bearing seat 61, the dovetail sliding block 612 is slidably connected in the dovetail sliding groove 314, when an operator installs the bearing seat 61, the operator places the dovetail sliding block 612 in the dovetail sliding groove 314, at the moment, the dovetail sliding block 612 and the dovetail sliding groove 314 are matched and limit the bearing seat 61, so that the bearing seat 61 is not easily separated from the positioning block 311 in the using process, the positioning block 311 positions the lower cover body 1, and the installation accuracy of the device in the subsequent press-fitting of the lower cover body 1 is improved.

Referring to fig. 7, a first mounting groove 315 is formed in one side of the holding groove 323 close to the bearing seat 61, an installation block 316 is slidably connected to the first mounting groove 315, a spring 317 is disposed between the installation block 316 and the first mounting groove 315, one end of the spring 317 is fixed to the installation block 316, and the other end of the spring 317 is fixed to the groove bottom of the first mounting groove 315, so that the installation block 316 is not easily separated from the first mounting groove 315, a second mounting groove 613 is formed in one side of the bearing seat 61 close to the positioning block 311, and the installation block 316 is disposed in the second mounting groove 613.

When the operator installs bearing seat 61 and locating piece 311, the operator places bearing seat 61 in holding tank 323, when bearing seat 61 contacts with installation piece 316, installation piece 316 is compressed to first mounting groove 315 by the extrusion, spring 317 is in the compression state this moment, when installation piece 316 is relative with the position of second mounting groove 613, under the effect of spring 317 resilience, installation piece 316 part stretches into in the second mounting groove 613, installation piece 316 provides further spacing for bearing seat 61 this moment, make bearing seat 61 more difficult with locating piece 311 emergence separation in the in-process of using, the subsequent positioning accuracy to lower cover body 1 of locating piece 311 has been improved, so that the subsequent installation accuracy of this equipment to lower cover body 1 is improved.

Referring to fig. 7, a detaching slot 318 is formed on a side of the positioning block 311 away from the bearing seat 61, a detaching rod 319 is slidably connected in the detaching slot 318, the detaching slot 318 is communicated with the first mounting slot 315, and the detaching rod 319 extends into the first mounting slot 315 and is fixed with the mounting block 316. When the ball 62 is worn, the operator moves the detaching rod 319 in the direction away from the bearing seat 61, the detaching rod 319 drives the mounting block 316 to move, so that the mounting block 316 moves in the direction away from the bearing seat 61, when the mounting block 316 is separated from the second mounting groove 613, the operator moves the bearing seat 61 in the direction away from the accommodating groove 323, so that the ball 62 is replaced, the possibility of reducing the positioning accuracy of the positioning block 311 on the lower cover body 1 due to the wear of the ball 62 is reduced, and the mounting accuracy of the device for subsequently processing the lower cover body 1 is improved.

Referring to fig. 9 and 10, the positioning block 311 is disposed on the base 2 through the fixing assembly 7, the fixing assembly 7 includes a first fixing element 71 and a second fixing element 72, the base 2 is provided with a first fixing groove 28 and a second fixing groove 29, the first fixing groove 28 is disposed below the second fixing groove 29, the first fixing element 71 is disposed in the first fixing groove 28, the second fixing element 72 is disposed in the second fixing groove 29, the first fixing element 71 provides horizontal limiting for the positioning block 311, the second fixing element 72 provides vertical limiting for the positioning block 311, the first fixing element 71 and the second fixing element 72 provide double limiting for the positioning block 311, so that the positioning block 311 is not prone to shift during use, and thus the lower cover body 1 is not prone to shift during processing, which is beneficial to improving the installation accuracy of the device.

Referring to fig. 10 and 11, the first fixing member 71 includes a first control rod 711, a control gear 712 and an expansion link 713, the base 2 is provided with a first fixing groove 28, the first control rod 711 is slidably connected in the first fixing groove 28, the base 2 is provided with a cavity 8, the first fixing groove 28 is communicated with the cavity 8, the control gear 712 is rotatably connected to the bottom wall of the cavity 8, the expansion link 713 is disposed in the cavity 8 and coaxially fixed on the control gear 712, the expansion link 713 is in threaded connection with a limit sleeve 714, the positioning block 311 is provided with a fixing hole 313, the fixing hole 313 is communicated with the cavity 8, the first control rod 711 is provided with a rack 719, and the rack 719 on the first control rod 711 is engaged with the control gear 712. And the limiting sleeve 714 is matched with the inner wall of the cavity 8, the inner wall of the cavity 8 provides limiting for the limiting sleeve 714 in the ascending process of the limiting sleeve 714, and the possibility that the limiting sleeve 714 is not easy to ascend due to autorotation is reduced.

When the positioning block 311 needs to be limited in the horizontal direction, an operator moves the first control rod 711 in the direction close to the base 2, the first control rod 711 moves to drive the control gear 712 to rotate, the control gear 712 rotates to drive the telescopic rod 713 to rotate, the telescopic rod 713 rotates to enable the limiting sleeve 714 to move in the direction away from the control gear 712, when the first control rod 711 abuts against the inner wall of the cavity 8, the telescopic rod 713 and the limiting sleeve 714 are still meshed, the limiting sleeve 714 extends into the fixing hole 313 and provides limiting in the horizontal direction for the positioning block 311, so that the positioning block 311 is not prone to shifting in the using process, the positioning accuracy of the positioning block 311 on the position of the lower cover body 1 is improved in the horizontal direction, and the mounting accuracy of the device in subsequent processing of the lower cover body 1 is improved.

Referring to fig. 12 and 13, the second fixing member 72 includes a second lever 721, a rotary disk 722, and a fixing rod 723, the second lever 721 is slidably connected in the second fixing groove 29, the fixing rod 723 is fixed above the rotary disk 722, a first rotary groove 715 and a second rotary groove 716 are formed in the limiting sleeve 714, the first rotary groove 715 is in communication with the second rotary groove 716, and the first rotary groove 715 is disposed directly above the second rotary groove 716. The rotating disk 722 is rotatably connected in the first rotating groove 715, a rotating sleeve 717 is fixed on one side of the rotating disk 722, which is far away from the fixed rod 723, the rotating sleeve 717 is rotatably connected in the second rotating groove 716, a control hole 718 is formed in the limiting sleeve 714, the control hole 718 is communicated with the first rotating groove 715 and the second rotating groove 716, when the limiting sleeve 714 is located in the fixed hole 313, the control hole 718 is communicated with the second fixing groove 29, the second control rod 721 is provided with a first rotating rack 724, the rotating sleeve 717 is provided with a second rotating rack 725, and the first rotating rack 724 is meshed with the second rotating rack 725.

When an operator moves the first control rod 711 to abut against the inner wall of the cavity 8, the operator moves the second control rod 721 towards the direction close to the base 2, the second control rod 721 drives the rotating sleeve 717 to rotate, the rotating sleeve 717 rotates to drive the fixing rod 723 to rotate, when the second control rod 721 abuts against the inner wall of the cavity 8, the fixing rod 723 is clamped with the positioning block 311, the fixing rod 723 provides vertical limiting for the positioning block 311 at the moment, so that the positioning block 311 is not easy to displace in the vertical direction in the using process, convenience is provided for installation of the positioning block 311, meanwhile, the positioning accuracy of the positioning block 311 to the lower cover body 1 is effectively improved, and the subsequent installation accuracy of the equipment for processing the lower cover body 1 is improved.

Referring to fig. 9, the first control rod 711 and the second control rod 721 are both provided with a jack 726, the jack 726 is provided with an insert rod 727, when the first control rod 711 and the second control rod 721 are abutted against the inner wall of the cavity 8, an operator places the insert rod 727 in the jack 726, at this time, the jack 726 provides a limit for the first control rod 711 and the second control rod 721, so that the first control rod 711 and the second control rod 721 are not prone to shift in the using process, thereby improving the fixing degree between the positioning block 311 and the base 2, further enabling the positioning block 311 to be not prone to shift in the using process, simultaneously improving the positioning accuracy of the positioning block 311 for the lower cover body 1, and effectively improving the mounting accuracy of the device in the subsequent processing of the lower cover body 1.

The implementation principle of the second embodiment of the present application is as follows: an operator places the positioning block 311 on the base 2, the first fixing piece 71 is reused for limiting the positioning block 311 in the horizontal direction, the second fixing piece 72 is used for limiting the positioning block 311 in the vertical direction, under the cooperation of the first fixing piece 71 and the second fixing piece 72, the positioning block 311 is not prone to shifting in the processing process of the lower cover body 1, the positioning accuracy of the positioning block 311 on the lower cover body 1 is improved, the installation accuracy of the device in processing the lower cover body 1 is improved, and meanwhile convenience is brought to installation of the positioning block 311.

When the lower cover body 1 is positioned, the positioning block 311 is in contact with the ball 62 and drives the ball 62 to move, the ball 62 enables sliding friction between the positioning block 311 and the lower cover body 1 to be rolling friction, abrasion between the lower cover body 1 and the positioning block 311 is reduced, positioning accuracy of the positioning block 311 to the lower cover body 1 is improved, and accordingly subsequent installation accuracy of the device to the lower cover body 1 is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a put pressure equipment frock of motor lower cover which characterized in that: the clamping device comprises a base (2) for placing a lower cover body (1), wherein a clamping mechanism (3) is arranged on the base (2), the clamping mechanism (3) comprises a pre-positioning assembly (31) and a clamping assembly (32), and the pre-positioning assembly (31) and the clamping assembly (32) are both arranged on the base (2);

the pre-positioning assembly (31) comprises a positioning column (312) and a positioning block (311), wherein the positioning column (312) and the positioning block (311) are arranged on the base (2), a plurality of positioning holes (11) are formed in the lower cover body (1), the positioning holes (11) are correspondingly provided with the positioning column (312), and the positioning block (311) is abutted to the outer wall of the lower cover body (1).

2. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 1, characterized in that: the clamping assembly (32) comprises a plurality of corner oil cylinders (321), the corner oil cylinders (321) are arranged on the base (2), and the output ends of the corner oil cylinders (321) move towards the lower cover body (1) and clamp the lower cover body (1).

3. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 1, characterized in that: the base (2) is provided with a supporting component (5), and the supporting component (5) is abutted against one side, facing the base (2), of the lower cover body (1);

the supporting component (5) comprises a plurality of supporting rods (51), the supporting rods (51) are arranged on the base (2), and when the lower cover body (1) is pressed, the supporting rods (51) are abutted to the lower cover body (1).

4. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 1, characterized in that: a supporting column (21) is arranged at the corner of the base (2), a supporting seat (22) is arranged at one end, far away from the base (2), of the supporting column (21), and a press-fitting mechanism (4) is arranged on the supporting seat (22);

the press-fitting mechanism (4) comprises a press-fitting component (41) and a driving component (42), the press-fitting component (41) is arranged on one side, close to the lower cover body (1), of the supporting seat (22), the driving component (42) is arranged on the supporting seat (22), and the driving component (42) drives the press-fitting component (41) to move towards the lower cover body (1) and press-fit the lower cover body (1).

5. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 4, characterized in that: the supporting seat (22) is provided with a guide assembly (23), the guide assembly (23) is connected with a press-fitting assembly (41), and the driving assembly (42) drives the press-fitting assembly (41) to move towards the lower cover body (1) along the guide assembly (23) and press-fit the lower cover body (1).

6. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 5, characterized in that: be equipped with spacing subassembly (26) on base (2), spacing subassembly (26) are including spacing post (261) and stopper (262), the one end and the pressure equipment subassembly (41) inconsistent that base (2) were kept away from to spacing post (261), a plurality of spacing holes (263) have been seted up on base (2), a plurality of processing hole (12) have been seted up on lower cover body (1), and are a plurality of spacing hole (263) and a plurality of processing hole (12) one-to-one and communicate each other, it is a plurality of all correspond in spacing hole (263) and set up a stopper (262).

7. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 6, characterized in that: locating piece (311) are close to one side of lower cover body (1) and have been seted up holding tank (323), can dismantle in holding tank (323) and be connected with bearing subassembly (6), bearing subassembly (6) are including bearing seat (61) and a plurality of ball (62), bearing seat (61) can be dismantled and connect in holding tank (323), and is a plurality of ball (62) evenly inlay and establish in one side that locating piece (311) were kept away from in bearing seat (61), and are a plurality of ball (62) all contradict with the outer wall of lower cover body (1).

8. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 2, characterized in that: first mounting groove (315) have been seted up to holding tank (323) one side near holding seat (61), sliding connection has installation piece (316) in first mounting groove (315), be equipped with spring (317) between installation piece (316) and first mounting groove (315), second mounting groove (613) have been seted up to holding seat (61) one side near holding tank (323), installation piece (316) set up in second mounting groove (613).

9. A press fitting tool for a lower cover of a mid-motor according to claim 8, wherein: holding tank (323) are kept away from one side of bearing seat (61) and have been seted up disassembly groove (318), disassembly groove (318) are linked together with first mounting groove (315), sliding connection has disassembly bar (319) in disassembly groove (318), disassembly bar (319) extend to in first mounting groove (315) and are connected with installation piece (316).

10. A press fitting tool for a lower cover of a centrally-mounted motor according to claim 3, characterized in that: the positioning block (311) is arranged on the base (2) through a fixing component (7), the fixing component (7) comprises a first fixing piece (71) and a second fixing piece (72), the positioning block (311) is provided with a horizontal direction limiting part, the positioning block (311) is provided with a vertical direction limiting part, a first fixing groove (28) and a second fixing groove (29) are formed in the base (2), the first fixing piece (71) is arranged in the first fixing groove (28), and the second fixing piece (72) is arranged in the second fixing groove (29).