CN113131690A

CN113131690A - Production line

Info

Publication number: CN113131690A
Application number: CN202110405868.XA
Authority: CN
Inventors: 徐文来; 莫玉麟; 孟萌; 卢全武; 郭少炎; 袁家立
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-07-16
Anticipated expiration: 2041-04-15
Also published as: CN113131690B

Abstract

The invention provides a production line for plastic packaging of a motor stator, which comprises: the circulating conveying line is provided with a plurality of stations and is used for conveying the first tool along a preset track; the plurality of stations comprise a first station, a second station, a third station and a fourth station which are arranged in sequence; the first movable clamp is used for clamping a first workpiece on the vibrating device into a first tool at a first station; the second movable clamp clamps a second workpiece on the heating device to be above the first workpiece in the first tool at the second station; the press-fitting device is used for driving a third workpiece on the second tool to move downwards and press-fitting the second workpiece and the first workpiece on the first tool at a third station to form a press-fitting assembly; and the fourth movable clamp is used for clamping the press-fitting assembly on the first tool at the fourth station onto the injection molding machine for plastic packaging, so that the problem of low automation degree of the motor stator BMC plastic packaging production process in the prior art is solved.

Description

Production line

Technical Field

The invention relates to the technical field of BMC plastic package of a motor stator, in particular to a production line.

Background

The plastic package motor is widely applied to household appliances, but the BMC plastic package of the motor has the defects of low production efficiency, severe environment, low automation and the like in production.

BMC (bulk molding compound), also called DMC (multi-disc molding compound), the Chinese name is dough molding premix, and the composite material is a fiber reinforced composite material taking thermosetting resin as a matrix. There are many thermosetting resins that can be used as the matrix of BMC, but molding compounds consisting of low shrinkage unsaturated polyester resins with chopped glass fibers, fillers, mold release agents, initiators and other ingredients are the most representative and most widely used, and are also referred to as "dough" or "bulk" molding compounds because they have the appearance of fiber mass or fiber putty mass.

The process flow of BMC plastic package of the motor stator comprises the following steps: coil feeding → heating coil → pressing mold core in coil → putting coil into mold and sleeving BB cover → finishing plastic package.

However, the production actions on the plastic packaging field are all completed manually, the automation degree is low, the production efficiency is low, the high-temperature production environment is prone to generating unpleasant and harmful smell, the working environment is severe, the working strength is high, and great damage is brought to workers.

Disclosure of Invention

The invention mainly aims to provide a production line to solve the problem that the automation degree of a BMC plastic package production process of a motor stator in the prior art is low.

In order to achieve the above object, according to an aspect of the present invention, there is provided a manufacturing line for plastic-molding a motor stator, the manufacturing line including: the circulating conveying line comprises a plurality of stations and is used for conveying the first tool to each station along a preset track; the plurality of stations comprise a first station, a second station, a third station and a fourth station which are sequentially arranged along a preset track; the first movable clamp is arranged at the first station and used for clamping a first workpiece on the vibrating device into a first tool at the first station; the second movable clamp is arranged at the second station and used for clamping a second workpiece on the heating device into the first tool at the second station so that the second workpiece is positioned above the first workpiece; the press-fitting device is arranged at the third station, and is provided with a second tool for driving a third workpiece on the second tool to move downwards so as to be sequentially pressed with a second workpiece and a first workpiece on the first tool at the third station to form a press-fitting assembly; and the fourth movable clamp is arranged at the fourth station and used for clamping the press-fitting assembly on the first tool at the fourth station onto the injection molding machine so as to plastically package the press-fitting assembly through the injection molding machine.

Further, the first workpiece is a rotor bearing fixing cover, and the vibrating device is a vibrating disc for screening the first workpiece; the second workpiece is a coil, and the vibrating device is a heater and is used for heating the second workpiece; the third workpiece is a mold core; the first tool comprises a first mounting groove for placing a first workpiece and a second mounting groove for placing a third workpiece, the first mounting groove comprises a first groove part matched with the first workpiece and a second groove part matched with the second workpiece, and the first groove part is positioned below the second groove part; and/or a third mounting groove for placing the press-fitting component is arranged on a mold of the injection molding machine, and an ejection mechanism is arranged at the bottom of the third mounting groove so as to eject a plastic-sealed finished product from the mold core after the injection molding machine completes the plastic sealing of the press-fitting component.

Furthermore, the plurality of stations further comprise a fifth station positioned between the first station and the fourth station, and a fifth movable clamp is arranged at the fifth station and used for clamping a third workpiece on the first tool at the fifth station into a second tool of the press-fitting device; and/or a third movable clamp is arranged at the heating device and used for clamping the second workpiece on the incoming conveying line onto the heating device.

Furthermore, except for the third station, each station is provided with a detection part and a jacking mechanism, the detection part is used for detecting whether the first tool reaches the corresponding station and transmitting an in-place signal to the controller, so that the controller controls the corresponding jacking mechanism to ascend to push the first tool positioned at the corresponding station to ascend to separate the first tool from the circulating conveying line, and the workpiece is taken and placed; and after the picking and placing actions of the workpieces are finished, the first tool is driven to descend, so that the first tool is in contact with the circulating conveying line to continue moving along with the circulating conveying line.

Further, a die matching tool is arranged at a fourth station, and the fourth movable clamp comprises a first clamp assembly and a second clamp assembly; the first clamp assembly is used for clamping the press-fitting assembly on the first tool at the fourth station onto the die matching tool or clamping the third workpiece on the die matching tool onto the first tool at the fourth station; the second clamp assembly is used for clamping the press-fitting assembly on the die matching tool onto the injection molding machine, or clamping a third workpiece on the injection molding machine onto the die matching tool, or clamping a plastic-packaged finished product on the injection molding machine onto a finished product conveying line.

The second clamp assembly comprises a clamp mounting plate, a first clamp and a second clamp, the first clamp and the second clamp are mounted on the clamp mounting plate, the first clamp is used for clamping the press-fitting assembly or the plastic package finished product, and the second clamp is used for clamping a third workpiece; the clamp mounting plate is rotatably arranged around a preset axis so as to clamp and clamp the plastic packaging finished product and the third workpiece in sequence.

Further, the circulating conveyor line includes a plurality of main conveyor lines arranged in sequence along a predetermined trajectory; be provided with supplementary transfer chain between two adjacent main transfer chain to carry the first frock that is located on one of them main transfer chain to on another main transfer chain adjacent to it.

Further, the plurality of main conveyor lines include a first main conveyor line, a second main conveyor line, a third main conveyor line, and a fourth main conveyor line arranged in this order along a predetermined trajectory; the first main conveying line and the third main conveying line are parallel to each other and extend along a first horizontal direction; the second main conveying line and the fourth main conveying line are parallel to each other and extend along a second horizontal direction, wherein the first horizontal direction is perpendicular to the second horizontal direction.

Further, each auxiliary conveying line is arranged at the end of one of the main conveying lines adjacent to the auxiliary conveying line, so that the main conveying line conveys the first tool to the corresponding auxiliary conveying line; the moving direction of each auxiliary conveying line is parallel to the moving direction of the other main conveying line adjacent to the auxiliary conveying line, so that the first tool is conveyed to the main conveying line; and/or the heights of the bearing surfaces of two adjacent main conveying lines are different, and the auxiliary conveying lines are movably arranged along the vertical direction to drive the first tool to move up and down, so that the height of the bottom surface of the first tool is flush with the height of the bearing surface of the corresponding main conveying line.

Further, the press-fitting device is a press machine, and the circulating conveying line comprises a pressure-resistant conveying line arranged on the table board of the press machine and two main conveying lines respectively arranged on two sides of the pressure-resistant conveying line; the pressure-resistant conveying line moves along a preset track to convey a first tool on the main conveying line from one side of the pressure-resistant conveying line to a preset position so that a third workpiece on a second tool of the press machine is pressed into a second workpiece of the first tool, and the pressure-resistant conveying line continues to move along the preset track to convey the first tool carrying the pressing assembly to the main conveying line from the preset position to the other side of the pressure-resistant conveying line.

By applying the technical scheme, the production line provided by the invention is provided with the circulating conveying line with the multiple stations so as to convey the first tool to each station along a preset track; the plurality of stations comprise a first station, a second station, a third station and a fourth station which are sequentially arranged along a preset track; arranging a first movable clamp at a first station to clamp a first workpiece on the vibrating device into a first tool at the first station; arranging a second movable clamp at the second station to clamp a second workpiece on the heating device into a first tool at the second station, and enabling the second workpiece to be located above the first workpiece; a press-fitting device is arranged at the third station to drive a third workpiece on the second tool to move downwards so as to be sequentially pressed with the second workpiece and the first workpiece on the first tool at the third station to form a press-fitting assembly; set up the fourth at fourth station and remove anchor clamps in order to press fitting assembly clamp on the first frock of fourth station department to get to the injection molding machine on, in order to carry out the plastic envelope to the press fitting assembly through the injection molding machine, thereby realize that the incoming material coil heating and the automation of press fitting mold core in the motor stator BMC plastic envelope production process, when going the manual work, the production environment has been improved, the production accident has been reduced, the production cost is reduced, the production efficiency is improved, the lower problem of degree of automation of the motor stator BMC plastic envelope production process among the prior art has been solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of a production line according to the present invention;

FIG. 2 shows a close-up view of the production line shown in FIG. 1 at A;

FIG. 3 shows a close-up view of the production line shown in FIG. 1 at B;

FIG. 4 shows a close-up view of the production line shown in FIG. 1 at C;

FIG. 5 shows a close-up view of the production line shown in FIG. 1 at D;

FIG. 6 shows a close-up view of the production line shown in FIG. 1 at E;

FIG. 7 shows a schematic diagram of the endless conveyor line of the production line of FIG. 1;

FIG. 8 shows an enlarged partial view of the endless conveyor line of FIG. 7 at F; and

fig. 9 shows a schematic view of the first and second clamps in the second clamp assembly of the manufacturing line shown in fig. 6.

Wherein the figures include the following reference numerals:

1. a circulating conveying line; 11. a station; 111. a first station; 112. a second station; 113. a third station; 114. a fourth station; 115. a fifth station; 12. a main conveyor line; 121. a first main conveyor line; 122. a second main conveyor line; 123. a third main conveyor line; 124. a fourth main conveyor line; 13. an auxiliary conveying line; 141. a first moving jig; 142. a second moving jig; 143. a third moving jig; 144. a fourth movable clamp; 1441. a first clamp assembly; 1442. a second clamp assembly; 14420. a clamp mounting plate; 14421. a first clamp; 14422. a second clamp; 145. a fifth movable jig; 15. a compression-resistant conveying line; 2. a first tool; 21. a first mounting groove; 22. a second mounting groove; 3. a second tool; 4. a vibrating device; 5. a heating device; 6. a press mounting device; 7. preparing a die tool; 8. an injection molding machine; 81. a mold; 9. pressing the assembly; 90. plastic packaging a finished product; 91. a first workpiece; 92. a second workpiece; 93. a third workpiece; 100. an incoming material conveying line; 200. finished product transfer chain.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 8, the present invention provides a production line for plastic-sealing a motor stator, the production line including: the circular conveying line 1 is provided with a plurality of stations 11, and the circular conveying line 1 is used for conveying the first tool 2 to each station 11 along a preset track; the plurality of stations 11 include a first station 111, a second station 112, a third station 113 and a fourth station 114 which are arranged in sequence along a predetermined track; the first moving clamp 141 is arranged at the first station 111 and used for clamping the first workpiece 91 on the vibrating device 4 into the first tool 2 at the first station 111; the second moving clamp 142 is arranged at the second station 112 and used for clamping the second workpiece 92 on the heating device 5 into the first tool 2 at the second station 112, so that the second workpiece 92 is positioned above the first workpiece 91; the press-fitting device 6 is arranged at the third station 113, and a second tool 3 is arranged on the press-fitting device 6 and used for driving a third workpiece 93 on the second tool 3 to move downwards so as to be sequentially pressed with a second workpiece 92 and a first workpiece 91 on the first tool 2 at the third station 113 to form a press-fitting assembly 9; and the fourth movable clamp 144 is arranged at the fourth station 114 and is used for clamping the press-fitting assembly 9 on the first tooling 2 at the fourth station 114 onto the injection molding machine 8 so as to plastically package the press-fitting assembly 9 through the injection molding machine 8.

The production line of the invention is provided with a circulating conveyor line 1 with a plurality of stations 11 to convey a first tool 2 to each station 11 along a preset track; the plurality of stations 11 include a first station 111, a second station 112, a third station 113 and a fourth station 114 which are arranged in sequence along a predetermined track; a first moving clamp 141 is arranged at the first station 111 to clamp the first workpiece 91 on the vibrating device 4 into the first tooling 2 at the first station 111; a second moving jig 142 is provided at the second station 112 to clamp the second workpiece 92 on the heating device 5 into the first tooling 2 at the second station 112 and position the second workpiece 92 above the first workpiece 91; arranging a press-fitting device 6 at the third station 113 to drive the third workpiece 93 on the second tooling 3 to move downwards so as to be sequentially pressed with the second workpiece 92 and the first workpiece 91 on the first tooling 2 at the third station 113 to form a press-fitting assembly 9; set up fourth movable clamp 144 in fourth station 114 department and press fitting assembly 9 clamp on the first frock 2 of fourth station 114 department and get to injection molding machine 8 on to carry out the plastic envelope through injection molding machine 8 to press fitting assembly 9, thereby realize that incoming material coil heating and pressure equipment mold core in the motor stator BMC plastic envelope production process are automatic, when removing the manual work, improved the production environment, the production accident has been reduced, and the production cost is reduced, and the production efficiency is improved, the problem that the degree of automation of the motor stator BMC plastic envelope production process among the prior art is lower is solved.

As shown in fig. 2 and 3, the first workpiece 91 is a rotor bearing fixing cover, and the vibration device 4 is a vibration disc for screening the first workpiece 91; the second workpiece 92 is a coil, and the vibration device 4 is a heater for heating the second workpiece 92; the third workpiece 93 is a mold core; the first tool 2 comprises a first mounting groove 21 for placing a first workpiece 91 and a second workpiece 92 and a second mounting groove 22 for placing a third workpiece 93, the first mounting groove 21 comprises a first groove part matched with the first workpiece 91 and a second groove part matched with the second workpiece 92, and the first groove part is positioned below the second groove part; and/or a third mounting groove for placing the press-fitting component 9 is arranged on the die 81 of the injection molding machine 8, and an ejection mechanism is arranged at the bottom of the third mounting groove so as to eject the plastic-sealed finished product 90 from the die core after the injection molding machine 8 completes the plastic sealing of the press-fitting component 9.

Specifically, the mold core is a separable loose core in a plastic package mold of the motor stator, and because the coil and the mold core are tightly matched, the mold core is pressed into the coil by a press machine, and then the press-fitted press-fitting assembly 9 is placed into the mold 81 to complete plastic package.

Specifically, the plastic package process of the motor stator of the invention is as follows: screening BB covers (i.e., rotor bearing fixing covers), placing the screened BB covers into a first groove part in a first tooling 2, placing the heated coils into a second groove part in the first tooling 2 (i.e., above the BB covers), → sequentially pressing and mounting the mold cores on the second tooling 3 on the coils and the BB covers to form a press-fitting assembly 9, placing the press-fitting assembly 9 into a mold 81 of an injection molding machine 8 → plastically molding the press-fitting assembly 9 → separating the plastic-molded finished product 90 from the mold cores → replacing the separated mold cores into the second tooling 3 and blanking the plastic-molded finished product 90.

Preferably, the heater is a rotating disc type coil heater, the coil can be automatically heated and rotated to a preset position to be taken and placed by a corresponding movable clamp, the time for heating the coil is uniform, and the product yield of the plastic package finished product 90 processed by the coil heated by the rotating disc type coil heater is high.

Specifically, the third mounting grooves on the die 81 are multiple, and the multiple third mounting grooves and the multiple press-fitting assemblies 9 are arranged in a one-to-one correspondence manner, so that the multiple press-fitting assemblies 9 are plastically packaged simultaneously, and the production efficiency of the plastic packaging process of the motor stator is improved.

As shown in fig. 5, the plurality of stations 11 further include a fifth station 115 located between the first station 111 and the fourth station 114, and a fifth moving clamp 145 is disposed at the fifth station 115, and is configured to clamp the third workpiece 93 on the first tooling 2 at the fifth station 115 into the second tooling 3 of the press-fitting device 6; and/or a third moving clamp 143 is further arranged at the heating device 5 and used for clamping the second workpiece 92 on the feeding conveying line 100 onto the heating device 5. Therefore, the mold core is recycled, the whole mold core taking and placing process is free of manual operation, the action is simple, time and labor are saved, and the automation degree of the BMC plastic package production process of the motor stator is improved.

Preferably, except for the third station 113, each station 11 is provided with a detection part and a jacking mechanism, the detection part is used for detecting whether the first tooling 2 reaches the corresponding station 11 and transmitting an in-place signal to the controller, so that the controller controls the corresponding jacking mechanism to ascend to push the first tooling 2 located at the corresponding station 11 to ascend to separate the first tooling 2 from the circulating conveyor line 1, and the workpiece is taken and placed; and after the picking and placing actions of the workpieces are finished, the first tool 2 is driven to descend, so that the first tool 2 is in contact with the circulating conveying line 1 to continue to move along with the circulating conveying line 1.

Like this, set up detection part and climbing mechanism in each station 11 department except that third station 113, can improve the accuracy of corresponding removal anchor clamps action when getting BB lid, coil and mold core from first frock 2 and put to realize high efficiency's get and put the process, improve production efficiency.

As shown in fig. 4 and 6, a die assembly fixture 7 is disposed at the fourth station 114, and the fourth movable fixture 144 includes a first fixture assembly 1441 and a second fixture assembly 1442; the first clamp assembly 1441 is used for clamping the press-fitting assembly 9 on the first tooling 2 at the fourth station 114 onto the die assembly tooling 7 or clamping the third workpiece 93 on the die assembly tooling 7 onto the first tooling 2 at the fourth station 114; the second clamp assembly 1442 is used for clamping the press-fitting assembly 9 on the mold matching tool 7 onto the injection molding machine 8, or clamping the third workpiece 93 on the injection molding machine 8 onto the mold matching tool 7, or clamping the plastic package finished product 90 on the injection molding machine 8 onto the finished product conveying line 200.

Specifically, since a certain distance is left between the fourth station 114 and the injection molding machine 8, the mold assembly 7 is disposed between the fourth station 114 and the injection molding machine 8 and at a position close to the fourth station 114, and a plurality of fourth mounting grooves corresponding to the plurality of third mounting grooves on the mold 81 in a one-to-one manner are disposed on the mold assembly 7, first, the press-fitting assemblies 9 on the first tooling 2 at the fourth station 114 are sequentially clamped to the plurality of fourth mounting grooves on the mold assembly 7 by the first clamp assembly 1441, so that the press-fitting assemblies 9 are sequentially arranged on the mold assembly 7, and then, the press-fitting assemblies 9 are clamped to the plurality of third mounting grooves on the mold 81 at a time by the second clamp assembly 1442, and certainly, the plurality of plastic-packaged finished products 90 on the mold 81 can also be clamped to the finished product conveying line 200 at a time by the second clamp assembly 1442.

In addition, a plurality of fifth mounting grooves which are in one-to-one correspondence with the plurality of third mounting grooves on the mold 81 are formed in the mold matching tool 7, so that the plurality of mold cores can be clamped to the plurality of fifth mounting grooves on the mold matching tool 7 at one time through the second clamp assembly 1442, and the plurality of mold cores on the mold matching tool 7 can be sequentially clamped to the first tool 2 at the fourth station 114 through the first clamp assembly 1441.

As shown in fig. 9, the second clamp assembly 1442 includes a clamp mounting plate 14420, and a first clamp 14421 and a second clamp 14422 mounted on the clamp mounting plate 14420, the first clamp 14421 is used for clamping the press-fitting assembly 9 or the plastic-sealed finished product 90, and the second clamp 14422 is used for clamping the third workpiece 93; the jig mounting plate 14420 is rotatably disposed about a predetermined axis to sequentially clamp the plastic-encapsulated finished product 90 and the third workpiece 93.

Specifically, the predetermined axis is perpendicular to the clamp mounting plate 14420 and is located between the first clamp 14421 and the second clamp 14422.

As shown in fig. 9, the second fixture assembly 1442 includes two sets of fixtures, one set is a plurality of first fixtures 14421 for clamping a plurality of plastic package finished products 90, the other set is a plurality of second fixtures 14422 for clamping a plurality of mold cores, after the first fixtures 14421 of the second fixture assembly 1442 clamp the plastic package finished products 90 in the mold 81, the fixture mounting plate 14420 drives the first fixtures 14421 and the second fixtures 14422 to rotate horizontally, so that the second fixtures 14422 clamp the mold cores in the third mounting grooves in the mold 81, then the second fixtures 14422 move to place the plastic package finished products 90 on the finished product conveying line 200, move to place the mold cores in the mold assembly 7, and then clamp the press-fitting assemblies 9 in the mold assembly 7 into the mold 81, thereby achieving efficient production of clamping the plastic package finished products 90 and the plurality of mold cores by using one second fixture assembly 1442.

As shown in fig. 7, the endless conveyor line 1 includes a plurality of main conveyor lines 12 arranged in sequence along a predetermined trajectory; an auxiliary conveying line 13 is arranged between two adjacent main conveying lines 12 to convey the first tool 2 on one main conveying line 12 to the other main conveying line 12 adjacent to the first tool.

Specifically, the plurality of main transport lines 12 includes a first main transport line 121, a second main transport line 122, a third main transport line 123, and a fourth main transport line 124, which are arranged in this order along a predetermined trajectory; the first main transport line 121 and the third main transport line 123 are parallel to each other and extend in the first horizontal direction; the second main conveying line 122 and the fourth main conveying line 124 are parallel to each other and extend along a second horizontal direction, wherein the first horizontal direction is perpendicular to the second horizontal direction.

Specifically, the predetermined trajectory is a rectangular ring-shaped trajectory.

As shown in fig. 8, each auxiliary conveyor line 13 is disposed at the end of one of the main conveyor lines 12 adjacent thereto, so that the main conveyor line 12 conveys the first tooling 2 to the corresponding auxiliary conveyor line 13; the moving direction of each auxiliary conveying line 13 is parallel to the moving direction of another main conveying line 12 adjacent to the auxiliary conveying line so as to convey the first tool 2 to the main conveying line 12; and/or the heights of the bearing surfaces of two adjacent main conveying lines 12 are different, and the auxiliary conveying lines 13 are movably arranged along the vertical direction to drive the first tooling 2 to move up and down, so that the height of the bottom surface of the first tooling 2 is flush with the height of the bearing surface of the corresponding main conveying line 12.

Specifically, the height of the carrying surface of the first main conveyor line 121 or the height of the carrying surface of the third main conveyor line 123 is greater than the height of the carrying surface of the second main conveyor line 122 or the height of the carrying surface of the fourth main conveyor line 124; each main conveyor line 12 includes two conveyer belts arranged at intervals to support opposite ends of the first fixture 2, two ends of each of the first main conveyor line 121 and the third main conveyor line 123 are respectively provided with one auxiliary conveyor line 13, and a moving direction of each auxiliary conveyor line 13 is perpendicular to a moving direction of the corresponding first main conveyor line 121 or the third main conveyor line 123 and is located between the two conveyer belts of the corresponding first main conveyor line 121 or the third main conveyor line 123.

When the two conveyor belts of the first main conveyor line 121 convey the first tooling 2 to the upper side of the corresponding auxiliary conveyor line 13, the first tooling 2 is lifted up by the upward movement of the auxiliary conveyor line 13 and the first tooling 2 is conveyed onto the second main conveyor line 122 by the horizontal movement of the auxiliary conveyor line 13.

When the second main conveyor line 122 conveys the first tooling 2 to the end close to the third main conveyor line 123, the auxiliary conveyor line 13 at the third main conveyor line 123 moves upward to be flush with the second main conveyor line 122, so that the first tooling 2 is conveyed to the upper side of the third main conveyor line 123 by the cooperation of the horizontal movement of the auxiliary conveyor line 13 and the second main conveyor line 122, and then the auxiliary conveyor line 13 descends to contact the first tooling 2 with the third main conveyor line 123.

When the two conveyor belts of the third main conveyor line 123 convey the first tooling 2 to the end close to the fourth main conveyor line 124, the first tooling 2 is lifted up by the upward movement of the corresponding auxiliary conveyor line 13 and conveyed onto the fourth main conveyor line 124 by the horizontal movement of the auxiliary conveyor line 13.

When the fourth main conveyor line 124 conveys the first tooling 2 to the end close to the first main conveyor line 121, the auxiliary conveyor line 13 at the first main conveyor line 121 moves upward to be flush with the fourth main conveyor line 124, so that the first tooling 2 is conveyed to the upper side of the first main conveyor line 121 by the combined action of the horizontal movements of the auxiliary conveyor line 13 and the fourth main conveyor line 124, and then the auxiliary conveyor line 13 descends to contact the first tooling 2 with the first main conveyor line 121.

Like this, realize the horizontal switching-over of first frock 2 on circulating conveyor line 1 and do not change the original orientation of first frock 2 through setting up auxiliary conveyor line 13, improved the production efficiency of motor stator BMC plastic envelope process.

As shown in fig. 1 and 3, the press-fitting device 6 is a press machine, and the circulation line 1 includes a pressure-resistant line 15 disposed on a table of the press machine and two main lines 12 disposed on both sides of the pressure-resistant line 15; the pressure-resistant conveying line 15 moves along a preset track to convey the first tool 2 on the main conveying line 12 from one side of the pressure-resistant conveying line 15 to a preset position, so that the third workpiece 93 on the second tool 3 of the press machine is pressed into the second workpiece 92 of the first tool 2, and continues to move along the preset track to convey the first tool 2 carrying the press-fitting assembly 9 to the main conveying line 12 from the preset position to the other side of the pressure-resistant conveying line 15.

Specifically, a bottom plate is arranged on the table top of the press machine, and a conveying line mounting plate for mounting the compression-resistant conveying line 15 is arranged above the bottom plate; the transfer chain mounting panel drives resistance to compression transfer chain 15 and sets up along vertical direction movablely, be provided with the support column on the bottom plate, be provided with the hole of dodging that is used for dodging the support column on the transfer chain mounting panel, the one end that the bottom plate was kept away from to the support column passes the below of first frock 2 behind the transfer chain mounting panel, the upper end holding surface of support column is less than resistance to compression transfer chain 15's loading end, in order to exert decurrent pressure so that the vertical downstream of resistance to compression transfer chain 15 supports first frock 2 so that the supporting part, thereby damage resistance to compression transfer chain 15 during the prevention pressure equipment.

Specifically, be provided with the sleeve on the transfer chain mounting panel, be provided with on the second frock 3 with sleeve complex guide post to play the guide effect through the cooperation between sleeve and the guide post to the motion of second frock 3, make accurate centering between mold core and the coil, in order to reduce the assembly error between mold core and the coil.

Specifically, the guide hole in the sleeve is a blind hole, when the guide post contacts with the bottom surface of the guide hole, the guide post continues to move downwards to push the conveyor line mounting plate to move downwards, so that the bottom surface of the first tool 2 is separated from the bearing surface of the compression-resistant conveyor line 15 and contacts with the upper end supporting surface of the support post to support the first tool 2 through the support post, and thus the mold core on the second tool 3 is pressed into the coil and the BB cover on the first tool 2; be provided with the elastic component between transfer chain mounting panel and the bottom plate and wear to establish the gag lever post in the elastic component to the elastic force through the elastic component promotes the vertical upward movement of transfer chain mounting panel with the return, so that the bottom surface of first frock 2 and the upper end holding surface phase separation of support column and contact with the loading end of resistance to compression transfer chain 15, thereby make resistance to compression transfer chain 15 continue to drive the motion of first frock 2.

The production line of the invention has the following working procedures:

(1) screening and feeding are carried out on BB covers (motor rotor bearing fixing covers) by adopting a vibrating disk (vibrating device 4), after the BB covers are in place, the BB covers are grabbed to the first tool 2 at the first station 111 from the vibrating disk by a first moving clamp 141, and then the first tool 2 with the BB covers is conveyed to the second station 112 by a circulating conveying line 1.

(2) After the coil is conveyed to the proper position by the incoming material conveying line 100, the coil on the incoming material conveying line 100 is clamped to the rotary heating machine (heating device 5) by the third movable clamp 143, after the coil is heated by the rotary heating machine, the heated coil is clamped to the first tooling 2 at the second station 112 by the second movable clamp 142, then the first tooling 2 with the BB cover and the coil is conveyed to the compression-resistant conveying line 15 at the third station 113 by the circulating conveying line 1, and the compression-resistant conveying line 15 conveys the coil to a preset position on the press (press-fitting device 6).

(3) The fifth movable fixture 145 clamps the mold core in the first fixture 2 located at the fifth station 115 into the second fixture 3 of the press machine (press-fitting device 6), after the first fixture 2 reaches a predetermined position, the guide post on the second fixture 3 of the press machine first presses the compression-resistant conveying line 15 downward, so that the first fixture 2 contacts with the support post to be supported by the support post, then the press machine continues to move downward to press the mold core into the coil and the BB cover in sequence, then the press machine drives the second fixture to be lifted, the compression-resistant conveying line 15 contacts with the first fixture 2 again through elastic return of the elastic member, and thus the first fixture 2 provided with the press-fitting assembly 9 is continuously driven to move to the fourth station 114.

(4) The press-fitting assembly 9 in the first tooling 2 at the fourth station 114 is moved to the die assembly tooling 7 by the first clamp assembly 1441, the press-fitting assembly 9 on the die assembly tooling 7 is clamped into the die 81 of the injection molding machine 8 by the second clamp assembly 1442, the press-fitting assembly 9 is subjected to injection molding by the injection molding machine 8, the mold core is separated from the plastic-sealed finished product 90 by the ejection mechanism in the die 81, then the plastic-sealed finished product 90 in the die 81 is moved to the finished product conveying line 200 by the second clamp assembly 1442 for blanking, the mold core in the die 81 is moved to the die assembly tooling 7, and finally the mold core in the die assembly tooling 7 is moved to the first tooling 2 at the fourth station 114 by the first clamp assembly 1441, so that the first tooling 2 is moved to the fifth station 115 by the circulating conveying line 1.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

(1) the problem of the production efficiency that motor stator BMC plastic envelope production was carried out to the manual work among the prior art is lower is solved.

(2) The problems of manual field production, severe environment and high working strength are solved.

(3) The problem of heavy machine production accident easily appears is solved.

(4) The problems of messy production site and low space utilization rate are solved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a production line for carry out the plastic envelope to motor stator, the production line includes:

the device comprises a circulating conveying line (1), wherein the circulating conveying line (1) comprises a plurality of stations (11) so as to convey a first tool (2) to each station (11) along a preset track; the plurality of stations (11) comprise a first station (111), a second station (112), a third station (113) and a fourth station (114) which are sequentially arranged along the preset track;

the first moving clamp (141) is arranged at the first station (111) and is used for clamping a first workpiece (91) on a vibrating device (4) into the first tool (2) at the first station (111);

the second moving clamp (142) is arranged at the second station (112) and is used for clamping a second workpiece (92) on a heating device (5) into the first tool (2) at the second station (112) so that the second workpiece (92) is positioned above the first workpiece (91);

the press-fitting device (6) is arranged at the third station (113), and a second tool (3) is arranged on the press-fitting device (6) and used for driving a third workpiece (93) on the second tool (3) to move downwards so as to be sequentially pressed with a second workpiece (92) and a first workpiece (91) on the first tool (2) at the third station (113) to form a press-fitting assembly (9);

and the fourth movable clamp (144) is arranged at the fourth station (114) and used for clamping the press-fitting assembly (9) on the first tooling (2) at the fourth station (114) to the injection molding machine (8) so as to plastically package the press-fitting assembly (9) through the injection molding machine (8).

2. The production line of claim 1,

the first workpiece (91) is a rotor bearing fixing cover, and the vibrating device (4) is a vibrating disc and is used for screening the first workpiece (91);

the second workpiece (92) is a coil, and the vibrating device (4) is a heater for heating the second workpiece (92);

the third workpiece (93) is a mold core;

the first tool (2) comprises a first mounting groove (21) for placing the first workpiece (91) and the second workpiece (92) and a second mounting groove (22) for placing the third workpiece (93), the first mounting groove (21) comprises a first groove body part matched with the first workpiece (91) and a second groove body part matched with the second workpiece (92), and the first groove body part is positioned below the second groove body part; and/or

And a third mounting groove for placing the press-fitting component (9) is formed in a die (81) of the injection molding machine (8), and an ejection mechanism is arranged at the bottom of the third mounting groove, so that the injection molding machine (8) ejects a plastic-sealed finished product (90) from the die core after the press-fitting component (9) completes plastic sealing.

3. The production line of claim 1,

the plurality of stations (11) further comprise a fifth station (115) positioned between the first station (111) and the fourth station (114), and a fifth moving clamp (145) is arranged at the fifth station (115) and used for clamping a third workpiece (93) on the first tool (2) at the fifth station (115) into the second tool (3) of the press fitting device (6); and/or

The heating device (5) is further provided with a third moving clamp (143) which is used for clamping a second workpiece (92) on the incoming material conveying line (100) onto the heating device (5).

4. The production line of any one of claims 1 to 3, characterized in that, except for the third station (113), each station (11) is provided with a detection component and a jacking mechanism, the detection component is used for detecting whether the first tooling (2) arrives at the corresponding station (11) and transmitting an in-position signal to a controller, so that the controller controls the corresponding jacking mechanism to ascend to push the first tooling (2) at the corresponding station (11) to ascend to separate the first tooling (2) from the circulating conveying line (1) for taking and placing workpieces; and after the picking and placing action of the workpiece is finished, the first tool (2) is driven to descend, so that the first tool (2) is in contact with the circulating conveying line (1) to continue to move along with the circulating conveying line (1).

5. The production line of any one of claims 1 to 3,

a die matching tool (7) is arranged at the fourth station (114), and the fourth movable clamp (144) comprises a first clamp assembly (1441) and a second clamp assembly (1442);

the first clamp assembly (1441) is used for clamping a press-fitting assembly (9) on the first tooling (2) at the fourth station (114) onto the matched mold tooling (7) or clamping a third workpiece (93) on the matched mold tooling (7) onto the first tooling (2) at the fourth station (114);

the second clamp assembly (1442) is used for clamping the press-fitting assembly (9) on the die assembly fixture (7) onto the injection molding machine (8), or clamping a third workpiece (93) on the injection molding machine (8) onto the die assembly fixture (7), or clamping a plastic package finished product (90) on the injection molding machine (8) onto a finished product conveying line (200).

6. The production line according to claim 5, characterized in that the second clamp assembly (1442) comprises a clamp mounting plate (14420) and a first clamp (14421) and a second clamp (14422) mounted on the clamp mounting plate (14420), the first clamp (14421) is used for clamping the press-fitting assembly (9) or the plastic-encapsulated finished product (90), and the second clamp (14422) is used for clamping the third workpiece (93); the clamp mounting plate (14420) is rotatably arranged around a preset axis so as to clamp the plastic package finished product (90) and the third workpiece (93) in sequence.

7. The production line of any one of claims 1 to 3,

the endless conveyor line (1) comprises a plurality of main conveyor lines (12) arranged one after the other along the predetermined trajectory;

an auxiliary conveying line (13) is arranged between every two adjacent main conveying lines (12) so as to convey the first tool (2) on one main conveying line (12) to the other adjacent main conveying line (12).

8. The production line of claim 7,

the plurality of main conveying lines (12) comprises a first main conveying line (121), a second main conveying line (122), a third main conveying line (123) and a fourth main conveying line (124) which are arranged in sequence along the predetermined track;

the first main conveying line (121) and the third main conveying line (123) are parallel to each other and extend in a first horizontal direction; the second main conveying line (122) and the fourth main conveying line (124) are parallel to each other and extend along a second horizontal direction, wherein the first horizontal direction is perpendicular to the second horizontal direction.

9. The production line of claim 8,

each auxiliary conveying line (13) is arranged at the end of one main conveying line (12) adjacent to the auxiliary conveying line, so that the main conveying line (12) conveys the first tool (2) to the corresponding auxiliary conveying line (13); the moving direction of each auxiliary conveying line (13) is parallel to the moving direction of another main conveying line (12) adjacent to the auxiliary conveying line, so that the first tool (2) is conveyed to the main conveying line (12); and/or

The heights of the bearing surfaces of two adjacent main conveying lines (12) are different, and the auxiliary conveying lines (13) are movably arranged along the vertical direction to drive the first tool (2) to move up and down, so that the height of the bottom surface of the first tool (2) is flush with the height of the bearing surface of the corresponding main conveying line (12).

10. The production line of claim 1,

the press-fitting device (6) is a press machine, and the circulating conveying line (1) comprises a compression-resistant conveying line (15) arranged on the table top of the press machine and two main conveying lines (12) respectively arranged on two sides of the compression-resistant conveying line (15);

the pressure-resistant conveying line (15) moves along the preset track to convey the first tool (2) on the main conveying line (12) from one side of the pressure-resistant conveying line (15) to a preset position so that the third workpiece (93) on the second tool (3) of the press machine is pressed into the second workpiece (92) of the first tool (2), and moves continuously along the preset track to convey the first tool (2) bearing the press-fitting assembly (9) to the main conveying line (12) from the preset position to the other side of the pressure-resistant conveying line (15).