CN205260310U - Compressor of screw shaft is filled to interior single groove adhesive layer - Google Patents
Compressor of screw shaft is filled to interior single groove adhesive layer Download PDFInfo
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- CN205260310U CN205260310U CN201520569603.3U CN201520569603U CN205260310U CN 205260310 U CN205260310 U CN 205260310U CN 201520569603 U CN201520569603 U CN 201520569603U CN 205260310 U CN205260310 U CN 205260310U
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Abstract
The utility model provides a compressor of screw shaft is filled to interior single groove adhesive layer, technology is complicated during for solution prior art processing screw shaft, process time is long, the processing degree of difficulty is big, technical defect such as processing cost height, the utility model provides a helical -lobe compressor, especially, it embolias be formed by stacking and compressor that quench the screw shaft of back gumming behind the axle to relate to the thin sheet part in multi -disc area tooth, the screw shaft of compressor is levogyration female screw rod axle and dextrorotation male screw rod axle, reach the low cost, make high physical properties helical -lobe compressor's technological mesh fast.
Description
Technical field
The utility model relates to a kind of interior single groove adhesive layer fills the compressor of screw shaft, relate in particular to a kind of by the toothed sheet parts of multi-disc be inserted in be formed by stacking after axle and quench after the compressor of screw shaft of impregnation.
Background technology
Helical-lobe compressor, also claim screw compressor, comprise screw air compressor and screw rod technique compressor (vinyl chloride compressor etc.), helical-lobe compressor is divided into single screw compressor and double-screw compressor, and helical-lobe compressor is to utilize screw shaft shape rotor to compress and pumped (conveying) medium do gyration in cylinder body.
It is high that helical-lobe compressor has reliability, and parts are few, there is no consumable accessory, thereby its running is reliable, and the life-span is long, and general screw machine host header reaches 30 years projected life; Convenient operating maintenance, automaticity is high, and operating personnel, without through long-time professional training, realize unmanned running; Dynamic equilibrium is good, there is no unbalance inertia force, and machine is high speed operation reposefully, realizes foundation-free running; Strong adaptability, has the advantages that to force gas transmission, and volume flow is subject to the impact of pressure at expulsion hardly, in broad condition range, can keep higher efficiency, without any changes in the situation that, be applicable to various working at compressor arrangement, so be easy to sizing batch production; Multi-phase mixed delivering, in fact leaves gap between the rotor flank of tooth, thereby ability hydraulic shock, can force feed containing the gas of liquid, containing dusty gas, easily polymerizable gas etc.; Guiding valve Flow-rate adjustment, does not need to return stream, can effectively reduce the advantages such as energy consumption, and therefore, helical-lobe compressor is widely used.
The subject matter that containment helical-lobe compressor develops is at present that the cost of helical-lobe compressor is high, because the flank of tooth of the screw shaft rotor of screw machine is a space curved surface, the outer contour in its cross section is to be formed by connecting by the curve of multiple complexity, the curved surface of the flank of tooth of entirety screw shaft rotor is stretched and forms through spiral by the outline of above-mentioned complex curve, the flank of tooth of screw shaft rotor is the curved surface of a complicated stereoscopic three-dimensional, therefore, turning and milling device common in machining are not competent, general numerical control turning and milling device can not be processed at present, in machining, need to utilize special cutter to process on expensive special equipment.
The processing of screw shaft rotor, divides from product material, is generally divided into foundry goods machining and forged steel pieces machining.
The screw shaft rotor that foundry goods machining is shaped, necessary first cast form, then with machining center and dedicated tool machining, the screw shaft rotor of the relative forged steel pieces cutting of the quality such as rigidity intensity, wearability of product is weaker.
When the screw shaft rotor machining of forged steel pieces cutting, must be first by steel formed by forging, then with machining center and repeatedly machining of dedicated tool, after shaping, carry out again Quenching Treatment and Surface Finishing, therefore, technological requirement is high, technological process is complicated, process velocity is slow, production cost is high.
In actual production, production enterprise often adopts import machining center and import cutter to complete processing, and enterprise, in the time purchasing high-end import machining center, is subject to the technical limitations of developed country, and meanwhile, import equipment and import cutter have improved production cost greatly.
Summary of the invention
The technical problem that the utility model solves is: large, the processing cost high-technology defect of complex process, long processing time, difficulty of processing when solving prior art processing screw shaft, a kind of helical-lobe compressor is provided, relate in particular to a kind of by the toothed sheet parts of multi-disc be inserted in be formed by stacking after axle and quench after the compressor of screw shaft of impregnation, reach low cost, manufacture fast the technical purpose of high physical property helical-lobe compressor.
The technical scheme of the utility model technical solution problem is: in order to achieve the above object, a kind of interior single groove adhesive layer that the utility model provides is filled the compressor of screw shaft, comprise left-handed female screw axle, dextrorotation sun screw shaft, it is characterized in that: described female screw axle comprises female screw sheet parts, female screw axle;
The gabarit shape of described female screw sheet parts is the cross section gabarit shape of left-handed female screw axle engaging piece, and there is engaging piece at the bottom of the tooth concaving the outside of female screw sheet parts, and has cambered outwards tooth top engaging piece;
In described female screw sheet parts, there is female screw axis hole, the protruding hole of flat key shape tooth that has a profile of tooth to protrude in female screw axis hole;
There is a left-handed spiral groove outside in the stage casing of described female screw axle;
All there is screw thread at the two ends of described left-handed spiral groove;
The described quantity of the groove of the quantity that the profile of tooth in described female screw sheet parts female screw axis hole is protruded and the external helicoid shape of female screw axle is identical, and cooperatively interacts;
There is multi-disc female screw sheet parts the outside in the stage casing of described female screw axle closely orderly cover;
Nut is all installed on described screw thread, nut by female screw axle and multi-disc female screw sheet parts between relative position fix;
Between described female screw axle and multi-disc female screw sheet parts, in mutual gap, be filled with adhesive layer, at the bottom of the tooth of multi-disc female screw sheet parts, after engaging piece stack, form the field of conjugate action at the bottom of continuous left-hand teeth, after the tooth top engaging piece stack of multi-disc female screw sheet parts, form the continuous left-handed tooth top field of conjugate action;
Described positive screw shaft comprises positive screw rod sheet parts, positive screw shaft;
The gabarit shape of described positive screw rod sheet parts is the cross section gabarit shape of dextrorotation sun screw shaft engaging piece, and there is engaging piece at the bottom of the tooth concaving the outside of positive screw rod sheet parts, and has cambered outwards tooth top engaging piece;
In described positive screw rod sheet parts, there is positive screw rod axis hole, the protruding hole of flat key shape tooth that has a profile of tooth to protrude in positive screw rod axis hole;
There is the spiral groove of a dextrorotation outside in the stage casing of described positive screw shaft;
All there is screw thread at the two ends of the spiral groove of described dextrorotation;
The described quantity of the groove of the quantity that the profile of tooth in described positive screw rod sheet parts sun screw rod axis hole is protruded and the external helicoid shape of positive screw shaft is identical, and cooperatively interacts;
There is multi-disc sun screw rod sheet parts the outside in the stage casing of described positive screw shaft closely orderly cover;
Nut is all installed on described screw thread, nut by positive screw shaft and multi-disc sun screw rod sheet parts between relative position fix;
Between described positive screw shaft and multi-disc sun screw rod sheet parts, in mutual gap, be filled with adhesive layer, at the bottom of the tooth of multi-disc sun screw rod sheet parts, after engaging piece stack, form the field of conjugate action at the bottom of continuous right-hand teeth, after the tooth top engaging piece stack of multi-disc sun screw rod sheet parts, form the continuous dextrorotation tooth top field of conjugate action.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, it is characterized in that: described adhesive layer is the adhesive layer of epoxy resin adhesive solidification, or the curing adhesive layer of quick-drying structure glue, or the adhesive layer of metal structure adhesive curing.
Procedure of processing is as follows:
Step 1): sheet metal is machined into toothed sheet parts;
Step 2): then multi-disc sheet parts is enclosed within to the outside of axle, the groove of the external helicoid shape of the protruding and axle of tooth in sheet parts axis hole cooperatively interacts, and forms the appearance of spiral oblique crank Z;
Step 3): the relative position that then the multi-disc sheet parts of the spiral oblique crank Z after above-mentioned moulding and axle is carried out to profile is fixed, and forms screw rod axis body after fixing;
Step 4): described screw rod axis body is carried out to the inspection of semifinished product, and qualified screw rod axis body enters next step, and defective screw rod axis body enters inspection again after the mould squeezing shaping of screw shaft shape, enters next step after qualified;
Step 5): then screw rod axis body is carried out to quenching technical;
Step 6): then screw rod axis body is immersed to glue;
Step 7): then the screw shaft after glue curing is carried out to product inspection, qualified finished product screw shaft warehouse-in, the outer contour surface that defective screw shaft carries out screw shaft process after inspection again, the finished product screw shaft warehouse-in after qualified.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, adopts a kind of wherein method of punching press, line cutting, laser cutting, plasma cutting, the cutting of high pressure liquid muscle power, by toothed sheet metal machine-shaping sheet parts.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, completes screw rod axis body and immerse glue technique in vacuum tank.
A kind of interior single groove adhesive layer being more preferably is filled the compressor of screw shaft, in vacuum tank, carrying out screw rod axis body immerses in the process of glue, close vavuum pump, open fast intake valve, make air inlet fast in vacuum tank, by the time when vacuum tank internal pressure and normal pressure balance, close intake valve and reopen vavuum pump and carry out negative pressure suction, above-mentioned boost fast and more than fast decompression process hockets once.
A kind of interior single groove adhesive layer being more preferably is filled the compressor of screw shaft, the described fixing method of relative position that the multi-disc sheet parts of the spiral oblique crank Z after moulding and axle are carried out to profile is: on axle, clamp sheet parts with axial force, and fixing relative position.
A kind of interior single groove adhesive layer being more preferably is filled the compressor of screw shaft, the described fixing method of relative position that the multi-disc sheet parts of the spiral oblique crank Z after moulding and axle are carried out to profile is: adopt auxiliary clamp, axial grip sheet parts when clamp shaft, and fixing relative position.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, and described glue adopts epoxy resin adhesive or quick-drying structure glue or metal structure glue.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, and screw rod axis body quench cooled to 40 degree Celsius can immerse glue technique below.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, and screw rod axis body chilling temperature immerses glue technique between 20 degrees Celsius to 30 degrees Celsius.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, a kind of wherein method that quenching technical adopts high-frequency quenching, mid frequency induction hardening or heat-treatment furnace to quench.
With current screw shaft process technology comparison, the useful technique effect that the utility model is obtained is: first form screw rod axis body, impregnation after screw rod axis body quenches, save technological process, simplified processing process, shorten process time, reduce difficulty of processing, reach low cost, manufacture fast the technical purpose of high physical property screw shaft, complex process while having solved prior art processing screw shaft, long processing time, difficulty of processing is large, processing cost high-technology defect, vacuum state can be discharged the gas of glue in screw rod axis body, in vacuum tank, carrying out screw rod axis body immerses in the process of glue, boost fast and hocket with fast decompression process, make glue in screw rod axis body, produce motion, accelerate Bas Discharged in screw rod axis body, make in screw rod axis body finer and close, improve screw rod axis body mechanical performance, and produce the more outstanding above-mentioned technological deficiency of large-scale screw shaft or special spiral rod axle, the utility model simplified processing process, shorten process time, reduce difficulty of processing, reach low cost, manufacture fast the technical purpose of high physical property screw shaft, complex process while having solved prior art processing screw shaft, long processing time, difficulty of processing is large, processing cost high-technology defect, and more outstanding above-mentioned technological deficiency while producing large-scale screw shaft, practicality is large.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1: be schematic diagram of the present utility model.
Fig. 2: be the left-handed female screw axle of the utility model schematic diagram.
Fig. 3: be the left-handed female screw axle of the utility model sheet parts schematic diagram.
Fig. 4: be the left-handed female screw axle of the utility model schematic diagram.
Fig. 5: be the utility model dextrorotation sun screw shaft schematic diagram.
Fig. 6: be the utility model dextrorotation sun screw shaft sheet parts schematic diagram.
Fig. 7: be the utility model dextrorotation sun screw shaft schematic diagram.
In figure: 1. female screw sheet parts, 2. female screw axle, 3. left-handed spiral groove, 3. left-handed spiral groove, 1 '. positive screw rod sheet parts, 2 '. positive screw shaft, 3 '. the spiral groove of dextrorotation, 4. engaging piece at the bottom of tooth, 5. tooth top engaging piece, 6. the protruding hole of flat key shape tooth, 7. screw thread.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described further, but the desired protection domain of the utility model is not limited to the described scope of specific embodiment.
Example 1: as shown in Figures 1 to 7, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, comprises left-handed female screw axle, dextrorotation sun screw shaft, it is characterized in that: described female screw axle comprises female screw sheet parts 1, female screw axle 2;
The gabarit shape of described female screw sheet parts 1 is the cross section gabarit shape of left-handed female screw axle engaging piece, and there is engaging piece 4 at the bottom of the tooth concaving the outside of female screw sheet parts 1, and has cambered outwards tooth top engaging piece 5;
In described female screw sheet parts 1, there is female screw axis hole, the protruding hole 6 of flat key shape tooth that has a profile of tooth to protrude in female screw axis hole;
There is a left-handed spiral groove 3 outside in the stage casing of described female screw axle 2;
All there is screw thread 7 at the two ends of described left-handed spiral groove 3;
The described quantity of the groove of the quantity that the profile of tooth in described female screw sheet parts 1 female screw axis hole is protruded and the external helicoid shape of female screw axle 2 is identical, and cooperatively interacts;
There is multi-disc female screw sheet parts 1 outside in the stage casing of described female screw axle 2 closely orderly cover;
On described screw thread 7, nut is all installed, nut by female screw axle 2 and multi-disc female screw sheet parts 1 between relative position fix;
Between described female screw axle 2 and multi-disc female screw sheet parts 1, in mutual gap, be filled with adhesive layer, at the bottom of the tooth of multi-disc female screw sheet parts 1, after engaging piece 4 stack, form the field of conjugate action at the bottom of continuous left-hand teeth, after tooth top engaging piece 5 stacks of multi-disc female screw sheet parts 1, form the continuous left-handed tooth top field of conjugate action;
Described positive screw shaft comprise positive screw rod sheet parts 1 ', positive screw shaft 2 ';
Described positive screw rod sheet parts 1 ' gabarit shape be the cross section gabarit shape of dextrorotation sun screw shaft engaging piece, positive screw rod sheet parts 1 ' outside have engaging piece 4 at the bottom of the tooth concaving, and have cambered outwards tooth top engaging piece 5;
Described positive screw rod sheet parts 1 ' inside have positive screw rod axis hole, the protruding hole 6 of flat key shape tooth that has a profile of tooth to protrude in positive screw rod axis hole;
Described positive screw shaft 2 ' the outside in stage casing have the spiral groove 3 of a dextrorotation ';
The spiral groove 3 of described dextrorotation ' two ends all have screw thread 7;
The quantity that profile of tooth in described positive screw rod sheet parts 1 ' positive screw rod axis hole is protruded and positive screw shaft 2 ' the described quantity of groove of external helicoid shape identical, and cooperatively interact;
Described positive screw shaft 2 ' stage casing outside closely orderly cover have multi-disc sun screw rod sheet parts 1 ';
On described screw thread 7, nut is all installed, nut by positive screw shaft 2 ' and multi-disc sun screw rod sheet parts 1 ' between relative position fix;
Described positive screw shaft 2 ' and multi-disc sun screw rod sheet parts 1 ' between be filled with adhesive layer in mutual gap, multi-disc sun screw rod sheet parts 1 ' tooth at the bottom of form the field of conjugate action at the bottom of continuous right-hand teeth after engaging piece 4 stacks, multi-disc sun screw rod sheet parts 1 ' 5 stacks of tooth top engaging piece after form the continuous dextrorotation tooth top field of conjugate action.
The interior single groove adhesive layer being more preferably is filled a compressor for screw shaft, it is characterized in that: described adhesive layer is the adhesive layer of epoxy resin adhesive solidification, or the curing adhesive layer of quick-drying structure glue, or the adhesive layer of metal structure adhesive curing.
Procedure of processing is as follows:
Step 1): sheet metal is machined into toothed sheet parts;
Step 2): then multi-disc sheet parts is enclosed within to the outside of axle, the groove of the external helicoid shape of the protruding and axle of tooth in sheet parts axis hole cooperatively interacts, and forms the appearance of spiral oblique crank Z;
Step 3): the relative position that then the multi-disc sheet parts of the spiral oblique crank Z after above-mentioned moulding and axle is carried out to profile is fixed, and forms screw rod axis body after fixing;
Step 4): described screw rod axis body is carried out to the inspection of semifinished product, and qualified screw rod axis body enters next step, and defective screw rod axis body enters inspection again after the mould squeezing shaping of screw shaft shape, enters next step after qualified;
Step 5): then screw rod axis body is carried out to quenching technical;
Step 6): then screw rod axis body is immersed to glue;
Step 7): then the screw shaft after glue curing is carried out to product inspection, qualified finished product screw shaft warehouse-in, the outer contour surface that defective screw shaft carries out screw shaft process after inspection again, the finished product screw shaft warehouse-in after qualified.
Example 2: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, adopt a kind of wherein method of punching press, line cutting, laser cutting, plasma cutting, the cutting of high pressure liquid muscle power, by toothed sheet metal machine-shaping sheet parts.
Example 3: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, completes screw rod axis body and immerse glue technique in vacuum tank.
Example 4: as shown in Fig. 1 to Fig. 7 and example 3, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, in vacuum tank, carrying out screw rod axis body immerses in the process of glue, close vavuum pump, open fast intake valve, make air inlet fast in vacuum tank, while waiting until vacuum tank internal pressure and normal pressure balance, close intake valve and reopen vavuum pump and carry out negative pressure suction, above-mentioned boost fast and more than fast decompression process hockets once.
Example 5: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, the described fixing method of relative position that the multi-disc sheet parts of the spiral oblique crank Z after moulding and axle are carried out to profile is: on axle, clamp sheet parts with axial force, and fixing relative position.
Example 6: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, the described fixing method of relative position that the multi-disc sheet parts of the spiral oblique crank Z after moulding and axle are carried out to profile is: adopt auxiliary clamp, axial grip sheet parts when clamp shaft, and fixing relative position.
Example 7: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, and described glue adopts epoxy resin adhesive or quick-drying structure glue or metal structure glue.
Example 8: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, and screw rod axis body quench cooled to 40 degree Celsius can immerse glue technique below.
Example 9: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, and screw rod axis body chilling temperature immerses glue technique between 20 degrees Celsius to 30 degrees Celsius.
Example 10: as shown in Fig. 1 to Fig. 7 and example 1, disclosed a kind of interior single groove adhesive layer is filled the compressor of screw shaft, a kind of wherein method that quenching technical adopts high-frequency quenching, mid frequency induction hardening or heat-treatment furnace to quench.
Below by reference to the accompanying drawings embodiment of the present utility model is explained in detail; but the utility model is not limited to this; in the ken possessing person of ordinary skill in the field; under the prerequisite that does not depart from the utility model aim, can also make a variety of changes; person of ordinary skill in the field is from above-mentioned design; without performing creative labour, all conversion of having done, within all dropping on protection domain of the present utility model.
Claims (1)
1. in, single groove adhesive layer is filled a compressor for screw shaft, comprises left-handed female screw axle, dextrorotation sun screw shaft, it is characterized in that: described female screw axle comprises female screw sheet parts (1), female screw axle (2);
The gabarit shape of described female screw sheet parts (1) is the cross section gabarit shape of left-handed female screw axle engaging piece, and there is engaging piece (4) at the bottom of the tooth concaving the outside of female screw sheet parts (1), and has cambered outwards tooth top engaging piece (5); Described female screw sheet parts (1) adopts punching press, line cutting, and sheet metal is processed into female screw sheet parts (1);
In described female screw sheet parts (1), there is female screw axis hole, the protruding hole of flat key shape tooth (6) that has a profile of tooth to protrude in female screw axis hole;
There is a left-handed spiral groove (3) outside in the stage casing of described female screw axle (2);
All there is screw thread (7) at the two ends of described left-handed spiral groove (3);
The quantity that profile of tooth in described female screw sheet parts (1) female screw axis hole is protruded is identical with the described quantity of the groove of the external helicoid shape of female screw axle (2), and cooperatively interacts;
There is multi-disc female screw sheet parts (1) outside in the stage casing of described female screw axle (2) closely orderly cover;
On described screw thread (7), nut is all installed, nut by female screw axle (2) and multi-disc female screw sheet parts (1) between relative position fix;
Between described female screw axle (2) and multi-disc female screw sheet parts (1), in mutual gap, be filled with adhesive layer, at the bottom of the tooth of multi-disc female screw sheet parts (1), after engaging piece (4) stack, form the field of conjugate action at the bottom of continuous left-hand teeth, after tooth top engaging piece (5) stack of multi-disc female screw sheet parts (1), form the continuous left-handed tooth top field of conjugate action; Described positive screw rod sheet parts (1 ') adopts punching press, line cutting, and sheet metal is processed into positive screw rod sheet parts (1 ');
Described positive screw shaft comprises positive screw rod sheet parts (1 '), positive screw shaft (2 ');
The gabarit shape of described positive screw rod sheet parts (1 ') is the cross section gabarit shape of dextrorotation sun screw shaft engaging piece, and there is engaging piece (4) at the bottom of the tooth concaving the outside of positive screw rod sheet parts (1 '), and has cambered outwards tooth top engaging piece (5);
In described positive screw rod sheet parts (1 '), there is positive screw rod axis hole, the protruding hole of flat key shape tooth (6) that has a profile of tooth to protrude in positive screw rod axis hole;
There is the spiral groove (3 ') of a dextrorotation outside in the stage casing of described positive screw shaft (2 ');
All there is screw thread (7) at the two ends of the spiral groove (3 ') of described dextrorotation;
The quantity that profile of tooth in the described positive screw rod axis hole of positive screw rod sheet parts (1 ') is protruded is identical with the described quantity of the groove of the external helicoid shape of positive screw shaft (2 '), and cooperatively interacts;
There is multi-disc sun screw rod sheet parts (1 ') outside in the stage casing of described positive screw shaft (2 ') closely orderly cover;
On described screw thread (7), nut is all installed, nut by positive screw shaft (2 ') and multi-disc sun screw rod sheet parts (1 ') between relative position fix;
Between described positive screw shaft (2 ') and multi-disc sun screw rod sheet parts (1 '), in mutual gap, be filled with adhesive layer, at the bottom of the tooth of multi-disc sun screw rod sheet parts (1 '), after engaging piece (4) stack, form the field of conjugate action at the bottom of continuous right-hand teeth, after tooth top engaging piece (5) stack of multi-disc sun screw rod sheet parts (1 '), form the continuous dextrorotation tooth top field of conjugate action; Described adhesive layer is the adhesive layer of epoxy resin adhesive solidification, or the curing adhesive layer of quick-drying structure glue, or the adhesive layer of metal structure adhesive curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569603.3U CN205260310U (en) | 2015-08-02 | 2015-08-02 | Compressor of screw shaft is filled to interior single groove adhesive layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569603.3U CN205260310U (en) | 2015-08-02 | 2015-08-02 | Compressor of screw shaft is filled to interior single groove adhesive layer |
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| Publication Number | Publication Date |
|---|---|
| CN205260310U true CN205260310U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520569603.3U Expired - Fee Related CN205260310U (en) | 2015-08-02 | 2015-08-02 | Compressor of screw shaft is filled to interior single groove adhesive layer |
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| CN (1) | CN205260310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763981A (en) * | 2019-02-22 | 2019-05-17 | 浙江凯尼真空设备有限公司 | A kind of composite rotors, the injection mold for producing the rotor and rotor production technology |
-
2015
- 2015-08-02 CN CN201520569603.3U patent/CN205260310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763981A (en) * | 2019-02-22 | 2019-05-17 | 浙江凯尼真空设备有限公司 | A kind of composite rotors, the injection mold for producing the rotor and rotor production technology |
| CN109763981B (en) * | 2019-02-22 | 2023-11-24 | 威固乐真空设备(浙江)有限公司 | Composite rotor, injection mold for producing rotor and rotor production process |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20160802 |
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| CF01 | Termination of patent right due to non-payment of annual fee |