CN114284836B - Covering process of insulating glue of overcurrent and overheat protector - Google Patents
Covering process of insulating glue of overcurrent and overheat protector Download PDFInfo
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- CN114284836B CN114284836B CN202210000038.3A CN202210000038A CN114284836B CN 114284836 B CN114284836 B CN 114284836B CN 202210000038 A CN202210000038 A CN 202210000038A CN 114284836 B CN114284836 B CN 114284836B
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- insulating resin
- overcurrent
- annular insulating
- overheat
- resin sleeve
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Abstract
The invention discloses a covering process of insulating glue of an overcurrent and overheat electrical protector, which comprises the following steps: (1) Mechanically punching and forming granular bisphenol A materials to prepare an annular insulating resin sleeve, (2) putting the annular insulating resin sleeve prepared in the step (1) into a feeding disc of a rubber sealing machine, and sequentially arranging material grabbing equipment waiting for the rubber sealing machine in the feeding disc to grab materials; (3) The overcurrent and overheat electric protector to be processed is placed into a product and placed into a material tray, the material grabbing equipment grabs an insulating resin sleeve and then places the insulating resin sleeve into a pin of the overcurrent and overheat electric protector to be processed, the material tray is placed into an oven to be heated and cured, and finally the cured annular insulating resin sleeve is leveled evenly and is adhered to the periphery of a binding post to cover the whole glass ring. The process of the invention is simple and efficient to use: the insulating resin material after the die is subjected to punch forming can be directly produced by an automatic manipulator in a sleeving manner, and large-scale and mass production in factories is facilitated.
Description
Technical Field
The invention discloses a covering process of an insulating glue of an overcurrent and overheat electric protector, belonging to the technical field of processing of protectors.
Background
Because the wiring terminal of the overcurrent and overheat electric protector is connected with the metal bottom plate in a sealing mode through the glass ring, the ring diameter of the glass ring is not too large, otherwise too many pores and bubbles in the glass affect the sealing performance and the air tightness of the whole protector. And the glass ring with the small ring diameter can cause the problem of insufficient air creepage distance between the wiring terminal and the bottom plate. The solution is to cover a layer of epoxy resin on the bottom plate, around the binding post and on the surface of the glass ring of the built-in overcurrent and overheat protector, so as to solve the problem of insufficient air creepage distance.
The existing process solution is as follows: the liquid material with bisphenol A-epichlorohydrin as main component is painted onto the base plate, wiring terminal and glass ring surface of the built-in overcurrent and overheat protector and solidified through long time or high temperature.
The above disadvantages are:
1. the scale production is very troublesome: before use, the curing agent with corresponding proportion is calculated and weighed, and then stirred and blended; people, machines and materials are easily polluted in the using process; the residual raw materials used at one time, even the raw materials in the using process can be automatically solidified, and the like, so that the method is not easy to use in batches and produce in a large scale.
2. Poor temperature resistance: the solidified epoxy resin is adhered to and covers the product, the use working condition of the built-in over-current and over-heat protector of the product is generally high temperature and high current, the environmental temperature is kept between 100 ℃ and 200 ℃, and the temperature of metal parts of the built-in over-current and over-heat protector can instantly rise to over 300 ℃ due to current impact. The epoxy resin is easy to be carbonized and decomposed when working at the temperature for a long time. After falling off, the carbonized and decomposed solid epoxy resin particles are easily filled between a rotor and a stator gap of the motor, so that the motor cannot run and is damaged or even burnt.
Disclosure of Invention
In order to overcome the defects, the invention provides a novel process which is simple and efficient to use, does not pollute foreign matters and has high temperature resistance.
The technical scheme of the invention is as follows:
a covering process of insulating glue of an overcurrent and overheat electric protector comprises the following steps:
(1) The granular bisphenol A material is used to be made into an annular insulating resin sleeve through mechanical punch forming,
(2) Putting the annular insulating resin sleeve prepared in the step (1) into a feeding disc of a glue sealing machine, and sequentially arranging material grabbing equipment waiting for the glue sealing machine in the feeding disc to grab materials;
(3) The overcurrent and overheat electric protector to be processed is placed into a product and placed into a material tray, the material grabbing equipment grabs an insulating resin sleeve and then places the insulating resin sleeve into a pin of the overcurrent and overheat electric protector to be processed, the material tray is placed into an oven to be heated and cured, and finally the cured annular insulating resin sleeve is leveled evenly and is adhered to the periphery of a binding post to cover the whole glass ring.
Preferably, the inner diameter of the annular insulating resin sleeve is matched with the diameter of the binding post of the overcurrent and overheat electric protector; the outer diameter of the annular insulating resin sleeve is 1/2 of the distance between the two binding posts.
Preferably, the temperature of the oven is 180-220 ℃ and the time is 45-60 minutes.
Preferably, the last charging tray of above-mentioned sealing machine includes two circular shape hoppers, sets up the vibrating device in the hopper bottom, sets up the conveyer trough in two hopper outsides, and the central authorities of hopper are the blowing district, and a fortune silo is connected in the blowing district, and the width in fortune silo suits with the external diameter of annular insulating resin cover, and fortune silo is the heliciform and upwards extends, directly communicates outside conveyer trough, the conveyer trough is a plurality of parallel distribution's straight line groove, extends to grabbing material equipment department, the vibration ripples that the vibrating device of hopper through the bottom sent pushes away annular insulating resin cover to fortune silo in, arranges in proper order and impels forward.
Preferably, the material grabbing equipment of the sealing machine comprises a screw rod travel frame, a material grabbing device, a first motor and a second motor; the screw rod travel frame is provided with a sliding block, the sliding block controls the travel through a first motor, the sliding block is connected with a material grabbing device, and the material grabbing device is controlled through a second motor;
grab the material device and include the support, set up a plurality of cylinder in the support, the cylinder runs through whole support down from last, and the downwardly extending connects one and grabs the material needle, grabs the annular insulating resin cover that passes on the fortune silo after the material needle is visited down, the tip of fortune silo sets up the slotted hole, slotted hole one end opening, and when annular insulating resin cover stroke was to fortune silo tip, its ring hole corresponded to the slotted hole in fortune silo, grabs the material needle and visits down, passes the middle round hole and the slotted hole of annular insulating resin cover in proper order, the support lower part still sets up a bracket, the bracket sets up in the middle of grabbing the material needle for hold the annular insulating resin cover after grabbing.
When the grabbing needle moves downwards, the bracket does not work when the grabbing needle does not penetrate through the annular insulating resin sleeve, after the grabbing needle penetrates through the annular insulating resin sleeve, the bracket starts to work and is inserted into the lower part of the material conveying groove, after the grabbing needle moves out of the opening of the material conveying groove, the annular insulating resin sleeve falls onto the bracket and is supported by the bracket, then the grabbing device moves to the upper part of the material placing tray, the bracket contracts, and the annular insulating resin sleeve falls onto a pin of the overcurrent and overheat electric protector to be processed.
Preferably, the lead screw stroke frame can be replaced by a chain type track stroke frame.
The invention has the beneficial effects that:
1. simple and efficient use: insulating resin material after mould stamping forming can direct automatic manipulator suit production, does benefit to the large-scale, mass production of mill, originally needs 7 people's work load now only to accomplish 1 people's work load.
2. The foreign matters are not easy to be polluted: the powder material is easy to clean after being attached to equipment, workpieces, bodies or clothes, and can be cleaned by being washed with clear water.
Drawings
FIG. 1 is a schematic view of the structure of an annular insulating resin sheath;
FIG. 2 is a schematic structural diagram of a sealing machine;
FIG. 3 is a top view of the glue sealing machine;
FIG. 4 is a schematic structural view of a material grabbing device;
fig. 5 is a partially enlarged view of a in fig. 4.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 3, a covering process of an insulating glue of an overcurrent and overheat electrical protector comprises the following steps:
(1) The granular bisphenol A material is used to be made into an annular insulating resin sleeve through mechanical punch forming,
(2) Putting the annular insulating resin sleeve prepared in the step (1) into a feeding disc of a glue sealing machine, and sequentially arranging material grabbing equipment waiting for the glue sealing machine in the feeding disc for grabbing materials;
(3) The overcurrent and overheat electric protector to be processed is placed into a product and placed into the material tray 9, the material grabbing equipment grabs the insulating resin sleeve and then places the insulating resin sleeve into a pin of the overcurrent and overheat electric protector to be processed, the material tray is placed into the oven to be heated and cured, the finally cured annular insulating resin sleeve is uniformly leveled, and the adhesive covers the whole glass ring around the wiring terminal.
Preferably, the inner diameter of the annular insulating resin sleeve is matched with the diameter of the terminal of the overcurrent and overheat electric protector; the outer diameter of the annular insulating resin sleeve is 1/2 of the distance between the two binding posts.
Preferably, the temperature of the oven is 180-220 ℃ and the time is 45-60 minutes.
Preferably, the feeding tray of the glue sealing machine comprises two circular hoppers 1, a vibrating device 2 arranged at the bottom of each hopper 1 and a conveying groove 3 arranged outside the two hoppers 1, wherein a material placing area 1-1 is arranged in the center of each hopper, the material placing area 1-1 is connected with a material conveying groove 1-2, the width of each material conveying groove 1-2 is matched with the outer diameter of each annular insulating resin sleeve, each material conveying groove 1-2 extends upwards in a spiral shape and is directly communicated with the outer conveying grooves, each conveying groove 3 is a plurality of linear grooves distributed in parallel and extends to a material grabbing device, and the annular insulating resin sleeves are pushed into the material conveying grooves 1-2 by the aid of vibration waves sent by the vibrating devices 2 at the bottom of each hopper 1, and are sequentially arranged and pushed forwards.
Preferably, as shown in fig. 4-5, the material grabbing device of the above-mentioned sealing machine includes a screw rod travel frame 4, a material grabbing device 5, a first motor 6 and a second motor 7; a sliding block 8 is arranged on the lead screw stroke frame 4, the sliding block 8 controls the stroke through a first motor 6, the sliding block 8 is connected with a material grabbing device 5, and the material grabbing device 5 is controlled through a second motor 7;
the material grabbing device 5 comprises a support 5-1, a plurality of air cylinders 5-2 are arranged in the support 5-1, the air cylinders 5-2 penetrate through the whole support 5-1 from top to bottom, a material grabbing needle 5-3 extends downwards to be connected with the air cylinders, the material grabbing needle 5-3 penetrates through an annular insulating resin sleeve on a material transporting groove 3 after penetrating downwards, a slotted hole 3-1 is formed in the end portion of the material transporting groove 3, one end of the slotted hole 3-1 is opened, when the annular insulating resin sleeve travels to the end portion of the material transporting groove 3, an annular hole of the annular insulating resin sleeve corresponds to the slotted hole 3-1 of the material transporting groove 3, the material grabbing needle 5-3 penetrates through a middle round hole and the slotted hole 3-1 of the annular insulating resin sleeve in sequence, a bracket 5-4 is further arranged on the lower portion of the support 5-1, and the bracket 5-4 is arranged in the middle of the material grabbing needle 5-3 and used for supporting the annular insulating resin sleeve after grabbing.
When the grabbing needle 5-3 moves downwards, the bracket 5-4 does not work when the grabbing needle does not penetrate through the annular insulating resin sleeve, after the grabbing needle 5-3 penetrates through the annular insulating resin sleeve, the bracket 5-4 starts to work and is inserted into the lower part of the material conveying groove 3, after the grabbing needle moves out of the opening of the material conveying groove 3, the annular insulating resin sleeve falls onto the bracket 5-4 and is supported by the bracket 5-4, then the grabbing device 5 moves to the upper part of the material placing tray 9, the bracket 5-4 contracts, and the annular insulating resin sleeve falls onto a pin of the overcurrent overheat protector to be processed.
Preferably, the screw stroke carriage 4 can be replaced by a chain type crawler stroke carriage.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A covering process of insulating glue of an overcurrent and overheat electric protector is characterized by comprising the following steps:
(1) The granular bisphenol A material is used to be made into an annular insulating resin sleeve through mechanical punch forming,
(2) Putting the annular insulating resin sleeve prepared in the step (1) into a feeding disc of a glue sealing machine, and sequentially arranging material grabbing equipment waiting for the glue sealing machine in the feeding disc for grabbing materials;
(3) Placing the overcurrent and overheat protector to be processed into a product placing tray, placing the product into pins of the overcurrent and overheat protector to be processed after grabbing the insulating resin sleeve by a grabbing device, then placing the material placing tray into an oven for heating and curing, and finally uniformly leveling the cured annular insulating resin sleeve to cover the whole glass ring around the binding post;
the feeding tray of the glue sealing machine comprises two circular hoppers, a vibrating device and conveying troughs, wherein the vibrating device is arranged at the bottoms of the hoppers, the conveying troughs are arranged outside the two hoppers, the center of each hopper is a feeding area, the feeding area is connected with one conveying trough, the width of each conveying trough is matched with the outer diameter of the annular insulating resin sleeve, each conveying trough extends upwards in a spiral shape and is directly communicated with the outside conveying troughs, each conveying trough is a plurality of linear troughs which are distributed in parallel and extends to a material grabbing device, and the annular insulating resin sleeves are pushed into the conveying troughs by the aid of vibration waves emitted by the vibrating device at the bottom of each hopper, and are sequentially arranged and pushed forwards;
the material grabbing equipment of the glue sealing machine comprises a lead screw stroke frame, a material grabbing device, a first motor and a second motor; the screw rod travel frame is provided with a sliding block, the sliding block controls the travel through a first motor, the sliding block is connected with a material grabbing device, and the material grabbing device is controlled through a second motor;
grab the material device and include the support, set up a plurality of cylinder in the support, the cylinder runs through whole support down from last, and the downwardly extending connects one and grabs the material needle, grabs the annular insulating resin cover that passes on the fortune silo after the material needle visits down, the tip in fortune silo sets up the slotted hole, slotted hole one end opening, and when annular insulating resin cover stroke was to fortune silo tip, its ring hole corresponded to the slotted hole in fortune silo, grabs the material needle and visits down, passes the middle round hole and the slotted hole of annular insulating resin cover in proper order, the support lower part still sets up a bracket, the bracket sets up in the middle of grabbing the material needle for hold the annular insulating resin cover after grabbing.
2. The covering process of the insulation paste of the overcurrent and overheat electrical protector according to claim 1, wherein the inner diameter of the annular insulation resin sleeve is designed to be matched with the diameter of a binding post of the overcurrent and overheat electrical protector; the outer diameter of the annular insulating resin sleeve is 1/2 of the distance between the two binding posts.
3. The process for covering insulating glue of an overcurrent and overheat electrical protector according to claim 1, wherein the temperature of the oven is 180-220 ℃ and the time is 45-60 minutes.
4. The process for covering insulating glue of an overcurrent and overheat electrical protector according to claim 1, wherein the lead screw stroke frame can be replaced by a chain type track stroke frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210000038.3A CN114284836B (en) | 2022-01-01 | 2022-01-01 | Covering process of insulating glue of overcurrent and overheat protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210000038.3A CN114284836B (en) | 2022-01-01 | 2022-01-01 | Covering process of insulating glue of overcurrent and overheat protector |
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| Publication Number | Publication Date |
|---|---|
| CN114284836A CN114284836A (en) | 2022-04-05 |
| CN114284836B true CN114284836B (en) | 2023-03-17 |
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| CN202210000038.3A Active CN114284836B (en) | 2022-01-01 | 2022-01-01 | Covering process of insulating glue of overcurrent and overheat protector |
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| US9972470B2 (en) * | 2013-03-29 | 2018-05-15 | Ubukata Industries Co., Ltd | Thermally responsive switch and method of manufacturing same |
| CN106064470B (en) * | 2016-07-20 | 2024-04-02 | 梁启明 | Automatic assembly equipment of accurate transfusion system |
| CN206098773U (en) * | 2016-09-07 | 2017-04-12 | 深圳市南方源芯电气有限公司 | Packaging hardware of vehicle air conditioner compressor terminal |
| CN107039202A (en) * | 2017-05-25 | 2017-08-11 | 匡成效 | The sealing layer manufacturing method of overcurrent overheat non-electricity protector |
| CN212239773U (en) * | 2020-03-23 | 2020-12-29 | 江苏常荣电器股份有限公司 | Built-in protector automatic spot welding machine shell feed mechanism |
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Patent Citations (6)
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|---|---|---|---|---|
| CN103124038A (en) * | 2013-02-25 | 2013-05-29 | 江苏吴通通讯股份有限公司 | Flexible automatic assembling machine of mobile communication radio frequency coaxial connector |
| CN104985438A (en) * | 2015-07-29 | 2015-10-21 | 温岭市金悦自动化设备有限公司 | A gas valve production line |
| CN209455556U (en) * | 2018-11-28 | 2019-10-01 | 台州学院 | A kind of plastic disc piece feeding device |
| CN109483232A (en) * | 2018-12-31 | 2019-03-19 | 宁波九菱电机有限公司 | A kind of Shaft set assembly machine |
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| CN112186465A (en) * | 2020-10-12 | 2021-01-05 | 合肥维晶电器有限公司 | Installation assembly quality is used in electric plug production |
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| CN114284836A (en) | 2022-04-05 |
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