CN104960152A - Production method and molding equipment for silica gel ignition coil sheaths - Google Patents
Production method and molding equipment for silica gel ignition coil sheaths Download PDFInfo
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- CN104960152A CN104960152A CN201510334394.9A CN201510334394A CN104960152A CN 104960152 A CN104960152 A CN 104960152A CN 201510334394 A CN201510334394 A CN 201510334394A CN 104960152 A CN104960152 A CN 104960152A
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- lower mold
- silica gel
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- plastic cement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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Abstract
The invention relates to a production method and molding equipment for silica gel ignition coil sheaths. The silica gel ignition coil sheaths are manufactured through a silica gel forming mold. According to the method, one supper mold assembly and two lower mold assemblies are used for alternate silica gel injection forming; except the time for waiting for preheating for the first time after the equipment is started, within the subsequent time period when the upper mold assembly and one lower mold assembly conduct mold assembly and silica gel injection, the operations of demolding to take out workpieces, cleaning mold cavities and ejector rods and mounting upper plastic sleeves are conducted on the other lower mold assembly in sequence; the plastic sleeves are automatically preheated through heat of the lower mold assemblies after being mounted; after the preheating is completed, silica gel injection forming of the previous lower mold assembly is right completed, and the upper mold assembly is directly and horizontally moved to conduct mold assembly and silica gel injection with the other lower mold assembly after mold splitting. Through the production method and molding equipment for the silica gel ignition coil sheaths, the production efficiency is high, the quality of products is substantially improved, and especially the hot compression deformation ratio of main properties of the products is obviously higher than that of products produced through other processes and other equipment.
Description
Technical field:
The present invention relates to silica gel product mould technical field, refer in particular to a kind of production method and former thereof of silica gel ignition coil sheath.
Background technology:
The production method of existing silica gel spark plug boot, all the die apparatus production of the male mother of employing one, first it will carry out preheating to the plastic cement sleeve of sheath inside on special pre-heating device, reinstall inside mould, carry out matched moulds injecting glue again, shaping, and then parting, pickup, one-period approximately needs 4-5 minute, and mould has a very long time idle in period, production efficiency is lower, gum-injecting port is opened the dead time due to midway and is reached tens seconds, also heat loss is had, cause energy loss, easily cause injecting glue next time unstable, cause product quality unstable, due to the preheating before loading mould of plastic cement sleeve, therefore the operation filling plastic cement sleeve is comparatively inconvenient, and plastic cement sleeve also has heat loss in transfer process, and injecting glue step after installing, can be entered fast, this just easily makes plastic cement sleeve preheat temperature occur error, more affect the quality of shaping silica gel product, performance does not reach ideal.In addition, in existing mould, silica gel runner generally flows into each shaping mold cavity by branch flow passage again by a total runner, position like this due to die cavity is different, the length of runner is different with distance, cause the parameters such as silica gel flow velocity, pressure, flow different, make silica gel injection speed, molding time etc. in each shaping mold cavity form difference, cause homogeneity of product poor.
Summary of the invention:
The object of the invention is to the above-mentioned weak point of prior art, a kind of production method and former thereof of silica gel ignition coil sheath are provided.
The technical solution used in the present invention is: a kind of preparation method of silica gel ignition coil sheath, described silica gel ignition coil sheath comprises the silica gel sheath being positioned at inner plastic cement sleeve and being positioned at outside, wherein: this silica gel ignition coil sheath is made by silica gel mould, comprises following steps in preparation method:
1). one group of several plastic cement sleeve is placed on each rear push rod of first set lower mold assemblies respectively, move up in the die cavity of each correspondence of the first lower mold assemblies under push rod after controlling again, before controlling each correspondence of this cover lower mold assemblies again, push rod withstands plastic cement sleeve backward, unsettled being positioned of plastic cement sleeve is made in corresponding counterdie die cavity, to utilize the heat of lower mold assemblies self to carry out preheating to plastic cement sleeve;
2). another is organized several plastic cement sleeve and be placed on each rear push rod of the second cover lower mold assemblies respectively, move up in the die cavity of each correspondence of the second lower mold assemblies under push rod after controlling again, before controlling each correspondence of the second lower mold assemblies again, push rod withstands plastic cement sleeve backward, unsettled being positioned of plastic cement sleeve is made in corresponding counterdie die cavity, to utilize the heat of lower mold assemblies self to carry out preheating to plastic cement sleeve;
3). treat that the plastic cement sleeve in the first lower mold assemblies reaches setting value preheating time, control upper die component and move to above the first lower mold assemblies, it is shaping that matched moulds starts injecting glue;
4). after the first lower mold assemblies completes injecting glue, upper die component is parting with it, and the plastic cement sleeve now in the second lower mold assemblies also reaches the preheating time of setting, controls upper die component and moves on the second lower mold assemblies, and to start injecting glue shaping with the second counterdie matched moulds; Meanwhile, each front push rod controlling the first lower mold assemblies departs from forward plastic cement sleeve, the more each rear push rod controlling the first lower mold assemblies upwards raises, and makes the silica gel sheath of forming depart from die cavity; Then manually forming is taken off one by one and the plastic cement sleeve be connected as a single entity and silica gel sheath; Then the counterdie die cavity of the first lower mold assemblies and rear push rod, front push rod are cleared up, remove burr or leftover bits that it remains;
5). in like manner, after the second lower mold assemblies completes injecting glue, the second lower mold assemblies repeats step 4) operation; So, control upper die component and alternately carry out step 3 with the first lower mold assemblies, the second lower mold assemblies) matched moulds injecting glue is shaping, operating personnel alternately carry out steps 2 respectively on the second lower mold assemblies, the first lower mold assemblies), 4) or step 1), 4) operation.
Finally obtained shaped article again collective carries out sulfuration and can obtain finished product.
Described upper die component and the lower mold assemblies time from matched moulds to parting is 100 ± 10 seconds.
Adopt said method, a set of upper die component is set, the alternately injecting glue molding mode of two cover lower mold assemblies, outside waiting for preheating time except prow, follow-up upper die component is with in the time of wherein one group of lower mold assemblies matched moulds injecting glue, another group lower mold assemblies carries out demoulding pickup successively, cleaning die cavity, push rod, the operation of upper plastic cement sleeve, the first-class rear heat of lower mold assemblies that utilizes of plastic cement sleeve carries out preheating automatically, after preheating completes, the injecting glue of last group of lower mold assemblies is shaping also to be completed just, after upper die component parting, direct translation comes to organize lower mold assemblies matched moulds injecting glue with another, in like manner last group of lower mold assemblies is carried out successively to the operation of demoulding pickup, cleaning die cavity, push rod, upper plastic cement sleeve, cycling like this runs.
The present invention provides a kind of former of silica gel ignition coil sheath simultaneously, it upper die component comprising mainframe and be arranged on mainframe top, silica gel runner is provided with in upper die component, wherein: in the bottom of mainframe, one moveable platform is installed, moveable platform is provided with two groups of lower mold assemblies; Wherein, push rod after each lower mode cavity rear portion often organizing lower mold assemblies is provided with a group respectively, rear push rod is fixed on rear tip-lever support, and rear tip-lever support bottom is connected with lifting top rod; Each lower mode cavity front portion is also respectively equipped with one group of front push rod relative with rear push rod, the outer end of described front push rod is all connected on front tip-lever support, front tip-lever support cylinder is connected with outside front tip-lever support, and the front upper angle of front tip-lever support has by top bevel, accordingly, the cope match-plate pattern of described upper die component is provided with the upper jacking block relative with sinciput base position, the posterior angle of upper jacking block has the ejection inclined-plane matched by top bevel with front tip-lever support; Described upper die component, lower mold assemblies form several shaping mold cavity matched with silica gel ignition coil sheath shape, and described front push rod, rear push rod are suspended on wherein from shaping mold cavity two ends.
In above-mentioned former, in described upper die component, be provided with relative silica gel runner independent of each shaping mold cavity, and respectively flow control valve be installed in every bar silica gel runner.
In above-mentioned former, in the upper module plate at this control valve place, offer several screw channel, the screw rod that an inner end is connected with control valve is provided with in each screw channel, and described screw rod is piercing in the side surface of module plate, a screw rod location-plate is also installed with at this side surface of upper module plate, screw rod location-plate offers the through hole passed for screw rod outer end, spiro rod section between the medial surface and the side surface of upper module plate of screw rod location-plate is provided with the first adjusting nut, the spiro rod section of screw rod location-plate lateral surface is provided with the second adjusting nut.
In above-mentioned former, the through hole both sides of described screw rod location-plate have the leg protruding from its inner surface, and leg is fixedly connected with upper module plate side surface by bolt; Form the space of accommodation first adjusting nut between two adjacent legs, and the both sides up and down of the first adjusting nut protrude from the upper and lower surface of leg.
Production method of the present invention and former not only production efficiency are high, development cost is low, the construction cycle is short, manual operation intensity is low, cost of labor is also low, and the quality of product is largely increased, especially the thermal pressure simulation ratio of product main performance is weighed, apparently higher than the product that other technology and equipments are produced.
Accompanying drawing illustrates:
Fig. 1 is the main TV structure schematic diagram of former in the present invention;
Fig. 2 is the structural representation of upper and lower membrane module in former of the present invention;
Fig. 3 is the main TV structure schematic diagram in local of upper die component in former of the present invention;
Fig. 4 is the structure chart of screw rod outer end, upper die component depression angle local in the present invention;
Fig. 5 is the profile of silica gel ignition coil sheath of the present invention.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
Shown in composition graphs 5, of the present invention is a kind of preparation method of silica gel ignition coil sheath, described silica gel ignition coil sheath 5 comprises the silica gel sheath 52 being positioned at inner plastic cement sleeve 51 and being positioned at outside, wherein: this silica gel ignition coil sheath 5 is made by silica gel mould, comprises following steps in preparation method:
1). one group of several plastic cement sleeve is placed on each rear push rod of first set lower mold assemblies respectively, move up in the die cavity of each correspondence of the first lower mold assemblies under push rod after controlling again, before controlling each correspondence of this cover lower mold assemblies again, push rod withstands plastic cement sleeve backward, unsettled being positioned of plastic cement sleeve is made in corresponding counterdie die cavity, to utilize the heat of lower mold assemblies self to carry out preheating to plastic cement sleeve;
2). another is organized several plastic cement sleeve and be placed on each rear push rod of the second cover lower mold assemblies respectively, move up in the die cavity of each correspondence of the second lower mold assemblies under push rod after controlling again, before controlling each correspondence of the second lower mold assemblies again, push rod withstands plastic cement sleeve backward, unsettled being positioned of plastic cement sleeve is made in corresponding counterdie die cavity, to utilize the heat of lower mold assemblies self to carry out preheating to plastic cement sleeve;
3). treat that the plastic cement sleeve in the first lower mold assemblies reaches setting value preheating time, control upper die component and move to above the first lower mold assemblies, it is shaping that matched moulds starts injecting glue;
4). after the first lower mold assemblies completes injecting glue, upper die component is parting with it, and the plastic cement sleeve now in the second lower mold assemblies also reaches the preheating time of setting, controls upper die component and moves on the second lower mold assemblies, and to start injecting glue shaping with the second counterdie matched moulds; Meanwhile, each front push rod controlling the first lower mold assemblies departs from forward plastic cement sleeve, the more each rear push rod controlling the first lower mold assemblies upwards raises, and makes the silica gel sheath of forming depart from die cavity; Then manually forming is taken off one by one and the plastic cement sleeve be connected as a single entity and silica gel sheath; Then the counterdie die cavity of the first lower mold assemblies and rear push rod, front push rod are cleared up, remove burr or leftover bits that it remains;
5). in like manner, after the second lower mold assemblies completes injecting glue, the second lower mold assemblies repeats step 4) operation; So, control upper die component and alternately carry out step 3 with the first lower mold assemblies, the second lower mold assemblies) matched moulds injecting glue is shaping, operating personnel alternately carry out steps 2 respectively on the second lower mold assemblies, the first lower mold assemblies), 4) or step 1), 4) operation.
Finally obtained shaped article again collective carries out sulfuration and can obtain finished product.
Described upper die component and the lower mold assemblies time from matched moulds to parting is 100 ± 10 seconds, and this time is under the prerequisite ensureing production efficiency, and silica gel can be made to have sufficient molding time, ensures product quality; Making again operating personnel have time enough to carry out various operation at another lower mold assemblies, make plastic cement sleeve have enough preheating time, is best time scheme.
Adopt said method, a set of upper die component is set, the alternately injecting glue molding mode of two cover lower mold assemblies, outside waiting for preheating time except prow, follow-up upper die component is with in the time of wherein one group of lower mold assemblies matched moulds injecting glue, another group lower mold assemblies carries out demoulding pickup successively, cleaning die cavity, push rod, the operation of upper plastic cement sleeve, the first-class rear heat of lower mold assemblies that utilizes of plastic cement sleeve carries out preheating automatically, after preheating completes, the injecting glue of last group of lower mold assemblies is shaping also to be completed just, after upper die component parting, direct translation comes to organize lower mold assemblies matched moulds injecting glue with another, in like manner last group of lower mold assemblies is carried out successively to the operation of demoulding pickup, cleaning die cavity, push rod, upper plastic cement sleeve, cycling like this runs.
Shown in composition graphs 1-Fig. 4, the present invention provides a kind of former of silica gel ignition coil sheath simultaneously,
It upper die component 2 comprising mainframe 1 and be arranged on mainframe 1 top, is provided with a moveable platform 3, moveable platform 3 is provided with two groups of lower mold assemblies 4 in the bottom of mainframe 1; Wherein, push rod 41 after often each lower mode cavity 40 rear portion of group lower mold assemblies 4 is provided with a group respectively, rear push rod 41 is fixed on rear tip-lever support 411, and rear tip-lever support 411 bottom is connected with lifting top rod 412; Each lower mode cavity 40 front portion is also respectively equipped with one group of front push rod 42 relative with rear push rod, the outer end of described front push rod 42 is all connected on front tip-lever support 43, front tip-lever support cylinder 44 is connected with outside front tip-lever support 43, and the front upper angle of front tip-lever support 43 has by top bevel 431, accordingly, the cope match-plate pattern 21 of described upper die component 2 is provided with the upper jacking block 22 relative with front tip-lever support 43 position, the posterior angle of upper jacking block 22 has the ejection inclined-plane 221 matched by top bevel 431 with front tip-lever support 43.Described upper die component 2, lower mold assemblies 4 form several shaping mold cavity matched with silica gel ignition coil sheath 5 shape, and described front push rod 42, rear push rod 41 are suspended on wherein from shaping mold cavity two ends.
When lower mold assemblies 4 is not below upper die component 2, front tip-lever support 43 is pulled outwardly by front tip-lever support cylinder 44, make all outwards movement of each front push rod 42, simultaneously, push rod 41 and rear tip-lever support 411 are positioned at a high position under the effect of lifting top rod 412, front push rod 42 pulls open wider distance with rear push rod 41, now namely can carry out the operation of taking off molded product 5 or plugging plastic tube 51 on rear push rod 41.After plugging plastic tube 51, rear push rod 41 and rear tip-lever support 411 drop in lower mode cavity 40 under the effect of lifting top rod 412, then front tip-lever support cylinder 44 drives front tip-lever support 43 inwardly to push away again, each front push rod 42 is inwardly pushed away and plastic tube 51 end of conflicting, thus with rear push rod 41, plastic tube 51 is located, utilize the heat conduction of push rod and the heat radiation of lower mold assemblies 4 own, preheating is carried out to plastic tube 51.
In above-mentioned former, in described upper die component 2, be provided with relative silica gel runner 23 independent of each shaping mold cavity, and in every bar silica gel runner 23, flow control valve 24 be installed respectively.Namely each shaping mold cavity has independently silica gel runner 23, silica gel flow, the flow velocity of each silica gel runner 23 can regulate by control valve 24 is independent, so just can make the silica gel flow in the silica gel runner 23 of each position, flow control is consistent, thus make the silica gel molding time in each shaping mold cavity identical, make product quality shaping in each die cavity consistent.
Specifically, in above-mentioned former, in the upper module plate 25 at this control valve 24 place, offer several screw channel 251, the screw rod 26 that an inner end is connected with control valve 24 is provided with in each screw channel 251, and described screw rod 26 is piercing in the side surface of module plate 25, a screw rod location-plate 27 is also installed with at this side surface of upper module plate 25, screw rod location-plate 27 offers the through hole 271 passed for screw rod 28 outer end, spiro rod section between the medial surface and the side surface of upper module plate 25 of screw rod location-plate 27 is provided with the first adjusting nut 28, the spiro rod section of screw rod location-plate 27 lateral surface is provided with the second adjusting nut 29.Through hole 271 both sides of described screw rod location-plate 27 have the leg 272 protruding from its inner surface, and leg 272 is fixedly connected with upper module plate 25 side surface by bolt; Form the space of accommodation first adjusting nut 28 between two adjacent legs 272, and the both sides up and down of the first adjusting nut 28 protrude from the upper and lower surface of leg 272, be convenient to rotate nut by hand and regulate.
During adjustment, such as to turn silica gel flow down, namely screw rod 26 will move inward, now first can unscrew the second adjusting nut 29, away from screw rod location-plate 27 outer surface, then tighten the first adjusting nut 28, first adjusting nut 28 conflict with screw rod location-plate 27 inner surface and screw rod 26 is moved inward, then tighten the second adjusting nut 29 screw rod 26 is located; Otherwise, when tuning up silica gel flow, screw rod 26 will outwards movement, now first unscrew the first adjusting nut 28, away from screw rod location-plate 27 inner surface, then tighten the second adjusting nut 29, make the second adjusting nut 29 and screw rod location-plate 27 outer surface conflict and make screw rod 26 outwards movement, then tighten the first adjusting nut 28 and make screw rod 26 positioning instant can.
The present invention by increasing control valve 24 in silica gel runner, and the screw rod 26 by being connected with control valve 24, adopt the mode of manual adjustments to regulate, control silica gel flow, each silica gel runner can independently control, make the flow in each silica gel runner impartial, thus make the flow velocity of silica gel in each die cavity in mould, shaping time all synchronous, guarantee that the quality of product in each die cavity is unified, and, manual adjustments mode structure of the present invention is simple, and easy to assembly, cost is also low.
Every platform equipment only needs operating personnel to carry out operating, and upper die component runs the time that N-free diet method expends, and works continuously, production efficiency improves greatly, and plastic cement sleeve has sufficient time preheating, the thermal source of preheating is again the heat utilizing lower mold assemblies itself, energy-conservation facility; The most important is under the prerequisite meeting production efficiency, plastic cement sleeve preheat temperature, time can accurately control, gum-injecting port is extremely short (time only in upper die component translation in the parting state dead time, approximately only have about 1 second), the injecting glue molding time of product can be more sufficient, and, after taking off the product of forming, prune job is carried out to lower mold assemblies, guarantees noresidue waste material in die cavity, ensure the quality of shaped article next time.
Production method of the present invention and former not only production efficiency are high, development cost is low, the construction cycle is short, manual operation intensity is low, cost of labor is also low, and the quality of product is largely increased, especially the thermal pressure simulation ratio of product main performance is weighed, apparently higher than the product that other technology and equipments are produced; The silica gel ignition coil sheath adopting present invention process to produce can work under-60 DEG C ~ 180 DEG C temperature conditions, and has fabulous thermal shock resistance, anti-seismic performance and corrosion resistance, can guarantee product service life.
Claims (6)
1. the preparation method of a silica gel ignition coil sheath, described silica gel ignition coil sheath comprises the silica gel sheath being positioned at inner plastic cement sleeve and being positioned at outside, it is characterized in that: this silica gel ignition coil sheath is made by silica gel mould, comprises following steps in preparation method:
1). one group of several plastic cement sleeve is placed on each rear push rod of first set lower mold assemblies respectively, move up in the die cavity of each correspondence of the first lower mold assemblies under push rod after controlling again, before controlling each correspondence of this cover lower mold assemblies again, push rod withstands plastic cement sleeve backward, unsettled being positioned of plastic cement sleeve is made in corresponding counterdie die cavity, to utilize the heat of lower mold assemblies self to carry out preheating to plastic cement sleeve;
2). another is organized several plastic cement sleeve and be placed on each rear push rod of the second cover lower mold assemblies respectively, move up in the die cavity of each correspondence of the second lower mold assemblies under push rod after controlling again, before controlling each correspondence of the second lower mold assemblies again, push rod withstands plastic cement sleeve backward, unsettled being positioned of plastic cement sleeve is made in corresponding counterdie die cavity, to utilize the heat of lower mold assemblies self to carry out preheating to plastic cement sleeve;
3). treat that the plastic cement sleeve in the first lower mold assemblies reaches setting value preheating time, control upper die component and move to above the first lower mold assemblies, it is shaping that matched moulds starts injecting glue;
4). after the first lower mold assemblies completes injecting glue, upper die component is parting with it, and the plastic cement sleeve now in the second lower mold assemblies also reaches the preheating time of setting, controls upper die component and moves on the second lower mold assemblies, and to start injecting glue shaping with the second counterdie matched moulds; Meanwhile, each front push rod controlling the first lower mold assemblies departs from forward plastic cement sleeve, the more each rear push rod controlling the first lower mold assemblies upwards raises, and makes the silica gel sheath of forming depart from die cavity; Then manually forming is taken off one by one and the plastic cement sleeve be connected as a single entity and silica gel sheath; Then the counterdie die cavity of the first lower mold assemblies and rear push rod, front push rod are cleared up, remove burr or leftover bits that it remains;
5). in like manner, after the second lower mold assemblies completes injecting glue, the second lower mold assemblies repeats the operation of step 4); So, controlling upper die component, alternately carry out step 3) matched moulds injecting glue with the first lower mold assemblies, the second lower mold assemblies shaping, and operating personnel alternately carry out steps 2 respectively on the second lower mold assemblies, the first lower mold assemblies), 4) or step 1), 4) operation.
2. the preparation method of silica gel ignition coil sheath according to claim 1, is characterized in that: described upper die component and the lower mold assemblies time from matched moulds to parting is 100 ± 10 seconds.
3. the former of a silica gel ignition coil sheath, it upper die component comprising mainframe and be arranged on mainframe top, be provided with silica gel runner in upper die component, it is characterized in that: in the bottom of mainframe, one moveable platform is installed, moveable platform is provided with two groups of lower mold assemblies; Wherein, push rod after each lower mode cavity rear portion often organizing lower mold assemblies is provided with a group respectively, rear push rod is fixed on rear tip-lever support, and rear tip-lever support bottom is connected with lifting top rod; Each lower mode cavity front portion is also respectively equipped with one group of front push rod relative with rear push rod, the outer end of described front push rod is all connected on front tip-lever support, front tip-lever support cylinder is connected with outside front tip-lever support, and the front upper angle of front tip-lever support has by top bevel, accordingly, the cope match-plate pattern of described upper die component is provided with the upper jacking block relative with sinciput base position, the posterior angle of upper jacking block has the ejection inclined-plane matched by top bevel with front tip-lever support; Described upper die component, lower mold assemblies form several shaping mold cavity matched with silica gel ignition coil sheath shape, and described front push rod, rear push rod are suspended on wherein from shaping mold cavity two ends.
4. the former of silica gel ignition coil sheath according to claim 3, is characterized in that: in described upper die component, be provided with relative silica gel runner independent of each shaping mold cavity, and be provided with flow control valve respectively in every bar silica gel runner.
5. the former of silica gel ignition coil sheath according to claim 4, it is characterized in that: in the upper module plate at this control valve place, offer several screw channel, the screw rod that an inner end is connected with control valve is provided with in each screw channel, and described screw rod is piercing in the side surface of module plate, a screw rod location-plate is also installed with at this side surface of upper module plate, screw rod location-plate offers the through hole passed for screw rod outer end, spiro rod section between the medial surface and the side surface of upper module plate of screw rod location-plate is provided with the first adjusting nut, the spiro rod section of screw rod location-plate lateral surface is provided with the second adjusting nut.
6. the former of silica gel ignition coil sheath according to claim 5, is characterized in that: the through hole both sides of described screw rod location-plate have the leg protruding from its inner surface, leg is fixedly connected with upper module plate side surface by bolt; Form the space of accommodation first adjusting nut between two adjacent legs, and the both sides up and down of the first adjusting nut protrude from the upper and lower surface of leg.
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| CN201510334394.9A CN104960152A (en) | 2015-06-16 | 2015-06-16 | Production method and molding equipment for silica gel ignition coil sheaths |
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| CN201510334394.9A CN104960152A (en) | 2015-06-16 | 2015-06-16 | Production method and molding equipment for silica gel ignition coil sheaths |
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| CN111497141A (en) * | 2020-05-07 | 2020-08-07 | 界首市亚鑫塑业科技有限公司 | Injection molding equipment for processing all-plastic hollow floor and operation method thereof |
| CN114347360A (en) * | 2021-11-30 | 2022-04-15 | 江苏铁锚玻璃股份有限公司 | Be applied to silica gel device of borduring of aviation transparency |
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Application publication date: 20151007 |
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