CN205225680U - Levogyration male screw rod axle that interior single groove adhesive layer was filled - Google Patents
Levogyration male screw rod axle that interior single groove adhesive layer was filled Download PDFInfo
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- CN205225680U CN205225680U CN201520569519.1U CN201520569519U CN205225680U CN 205225680 U CN205225680 U CN 205225680U CN 201520569519 U CN201520569519 U CN 201520569519U CN 205225680 U CN205225680 U CN 205225680U
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- axle
- sheet parts
- adhesive layer
- tooth
- filled
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Abstract
The utility model provides a levogyration male screw rod axle that interior single groove adhesive layer was filled especially relates to the thin sheet part in multi -disc area tooth and embolias be formed by stacking and screw shaft that quench the back gumming behind the axle includes thin sheet part, axle, characterized by: thin sheet part's gabarit shape is the cross -section gabarit shape of levogyration male screw rod axle engaging piece, there is a protruding hole of the convex parallel key of profile of tooth shape tooth in thin sheet part's the shaft hole, there is a laevorotary helical shape recess outside in the middle section of axle, the recess both ends are equipped with the screw thread, the intussuseption of mutual clearance is filled with the adhesive layer between axle and the multi -disc thin sheet part, all install the nut on the screw thread, the nut with the axle and multi -disc thin sheet part between relative position fixed, mating surface left -hand teeth pushes up the mating surface at the bottom of forming continuous left -hand teeth after the stack of multi -disc thin sheet part, reach the low cost, make the technological mesh of high physical properties screw shaft fast.
Description
Technical field
The utility model relates to the left-handed positive screw axis that a kind of interior single groove adhesive layer is filled, particularly relate to a kind of be inserted in axle by the toothed sheet parts of multi-disc after be formed by stacking and the screw axis of impregnation after quenching.
Background technique
Helical-lobe compressor, also screw compressor is claimed, 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 utilizes screw axis shape rotor to compress and fed sheet of a media do rotation motion in cylinder body.
It is high that helical-lobe compressor has reliability, and component are few, do not have easily damaged parts, and thus 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 operator, without the need to through long-time professional training, realize unmanned running; Dynamical balancing is good, does not have unbalance inertia force, and machine can high speed operation reposefully, realizes foundation-free running; Strong adaptability, has the advantages that to force gas transmission, and volume flow is hardly by the impact of exhaust pressure, higher efficiency can be kept in the condition range of broadness, when compressor arrangement without any changes, be applicable to various working, thus be easy to sizing batch production; Multi-phase mixed delivering, in fact leaves gap between the rotor flank of tooth, thus ability hydraulic shock, can force feed containing the gas of liquid, containing dusty gas, easy polymerizable gas etc.; Guiding valve Flow-rate adjustment, do not need to return stream, can effectively reduce the advantages such as energy consumption, therefore, helical-lobe compressor is widely used.
The subject matter that current containment helical-lobe compressor develops is that the cost of helical-lobe compressor is high, the flank of tooth due to the screw axis rotor of screw machine is a space curved surface, the outer contour in its cross section is formed by connecting by the curve of multiple complexity, the curved surface of the flank of tooth of overall screw axis rotor is formed through spiral stretch by the external frame of above-mentioned complex curve, the flank of tooth of screw axis rotor is the curved surface of a complicated stereoscopic three-dimensional, therefore, turning common in machining and milling device not competent, numerical control turning general at present and milling device can not be processed, need to utilize special cutter to process on expensive special device in machining.
The processing of screw axis rotor, divides from product material, is generally divided into foundry goods cutting and forged steel pieces cutting.
The screw axis rotor that foundry goods cutting is shaped, necessary first cast form, then with machining center and dedicated tool cutting, the screw axis rotor that the quality such as rigid, wear resistance of product is cut relative to forged steel pieces is weaker.
During the screw axis rotor machining that forged steel pieces cuts, must first by steel formed by forging, then with machining center and dedicated tool repeatedly cutting, Quenching Treatment and surface finishing is carried out again after shaping, therefore, technological requirement is high, technological process is complicated, processing speed is slow, cost of production is high.
In actual production, production enterprise often adopts import machining center and import cutter to complete processing, and enterprise is when purchasing high-end import machining center, and be subject to the technology restriction of developed country, meanwhile, import equipment and import cutter substantially increase cost of production.
Summary of the invention
The technical problem that the utility model solves is: complex process during in order to solve prior art processing screw axis, long processing time, difficulty of processing are large, processing cost high-technology defect, a kind of screw axis is provided, particularly relate to a kind of be inserted in axle by the toothed sheet parts of multi-disc after be formed by stacking and the screw axis of impregnation after quenching, reach low cost, manufacture the technical purpose of high physical property screw axis fast.
The technological scheme of the utility model technical solution problem is: in order to achieve the above object, the left-handed positive screw axis that a kind of interior single groove adhesive layer that the utility model provides is filled, and comprises sheet parts, axle, it is characterized in that:
The outline shape of described sheet parts is the cross section outline shape of left-handed positive screw axis engaging piece, and there is engaging piece at the bottom of the tooth concaved the outside of sheet parts, and has cambered outwards tooth top engaging piece;
There is axis hole in described sheet parts, in axis hole, have the flat key shape tooth projecting apertures that a profile of tooth is protruded;
There is a left-handed spiral groove outside in the stage casing of described axle;
All there is screw thread at the two ends of described left-handed spiral groove;
The quantity that profile of tooth in described sheet parts axis hole is protruded is identical with the described quantity of the groove of the external helicoid shape of axle, and cooperatively interacts;
The cover that the outside in the stage casing of described axle is closely orderly has multi-disc sheet parts;
Described screw thread is all provided with nut, nut by axle and relative position between multi-disc sheet parts fix;
Adhesive layer is filled with in gap mutual between described axle and multi-disc sheet parts, form Surface of action at the bottom of continuous print left-hand teeth after engaging piece superposition at the bottom of the tooth of multi-disc sheet parts, after the tooth top engaging piece superposition of multi-disc sheet parts, form the left-handed tooth top Surface of action of continuous print.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, is characterized in that: described adhesive layer is the adhesive layer of epoxy resin adhesive solidification, or the adhesive layer of quick-drying structure glue solidification, or the adhesive layer of Structural Hardware adhesive curing.
Concrete process step is as follows:
Step 1): sheet metal is machined into toothed sheet parts;
Step 2): the outside then multi-disc sheet parts being enclosed within axle, the tooth in sheet parts axis hole is convex to cooperatively interact with the groove of the external helicoid shape of axle, forms the appearance of spiral oblique crank Z;
Step 3): the relative position then the multi-disc sheet parts of the spiral oblique crank Z after above-mentioned moulding and axle being carried out profile is fixed, and forms screw rod axis body after fixing;
Step 4): carry out the inspection of semifinished product to described screw rod axis body, qualified screw rod axis body enters next step, and defective screw rod axis body is again checked after entering the mould squeezing shaping of screw axis shape, entered next step after qualified;
Step 5): then screw rod axis body is carried out quenching technical;
Step 6): then screw rod axis body is immersed glue;
Step 7): then the screw axis after glue curing is carried out Checking of finished products, qualified finished product screw axis warehouse-in, defective screw axis is checked after carrying out the outer contour surface process of screw axis again, the finished product screw axis warehouse-in after qualified.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, adopts wherein a kind of method of punching press, Linear cut, laser beam cutting, plasma cut, the cutting of high pressure liquid muscle power, by toothed for sheet metal machine shaping sheet parts.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, completes screw rod axis body and immerses glue technique in vacuum box.
The left-handed positive screw axis that a kind of interior single groove adhesive layer be more preferably is filled, in vacuum box, carry out screw rod axis body immerses in the process of glue, close vacuum pump, open suction valve fast, make air inlet fast in vacuum box, by the time, when vacuum box internal pressure and normal-pressure balance, cut out suction valve reopens vacuum pump and carries out negative-pressure ward, and above-mentioned rapid pressure and fast decompression process hocket once.
The left-handed positive screw axis that a kind of interior single groove adhesive layer be more preferably is filled, the method that the described relative position multi-disc sheet parts of the spiral oblique crank Z after moulding and axle being carried out profile is fixed is: with axial force clamping sheet parts on axle, and fixing relative position.
The left-handed positive screw axis that a kind of interior single groove adhesive layer be more preferably is filled, the method that the described relative position multi-disc sheet parts of the spiral oblique crank Z after moulding and axle being carried out profile is fixed is: adopt auxiliary clamp, axial grip sheet parts while clamp shaft, and fixing relative position.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, described glue adopts epoxy resin adhesive or quick-drying structure glue or Structural Hardware glue.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, can carry out immersion glue technique below screw rod axis body quench cooling to 40 degree Celsius.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, screw rod axis body chilling temperature carries out immersion glue technique between 20 degrees Celsius to 30 degrees Celsius.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, wherein a kind of method that quenching technical adopts high frequency hardening, mid frequency induction hardening or heat treatment furnace to quench.
Compare with current screw axis processing technique, the Advantageous Effects that the utility model obtains is: first form screw rod axis body, impregnation after the quenching of screw rod axis body, save technological process, simplified processing process, shorten process time, reduce difficulty of processing, reach low cost, the technical purpose of the high physical property screw axis of quick manufacture, solve prior art processing screw axis time complex process, long processing time, difficulty of processing is large, processing cost high-technology defect, vacuum state can discharge the gas of glue in screw rod axis body, in vacuum box, carry out screw rod axis body immerses in the process of glue, rapid pressure and fast decompression process hocket, glue is made to produce motion in screw rod axis body, accelerate air in screw rod axis body to discharge, make in screw rod axis body finer and close, improve screw rod axis body mechanical property, and produce the more outstanding above-mentioned technological deficiency of large-scale screw axis or special spiral rod axle, the utility model simplified processing process, shorten process time, reduce difficulty of processing, reach low cost, the technical purpose of the high physical property screw axis of quick manufacture, solve prior art processing screw axis time complex process, long processing time, difficulty of processing is large, processing cost high-technology defect, and the above-mentioned technological deficiency of more giving prominence to when producing large-scale screw axis, practicability is large.
Accompanying drawing explanation
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 utility model sheet parts schematic diagram.
Fig. 3: be the left-handed positive screw axis schematic diagram of the utility model.
In figure: 1. sheet parts, 2. axle, 3. left-handed spiral groove, 4. engaging piece at the bottom of tooth, 5. tooth top engaging piece, 6. flat key shape tooth projecting apertures, 7. screw thread.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further, but the protection domain required by the utility model is not limited to the scope described by specific embodiment.
Example 1: as shown in Figure 1 to Figure 3, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, comprises sheet parts 1, axle 2, it is characterized in that:
The outline shape of described sheet parts 1 is the cross section outline shape of left-handed positive screw axis engaging piece, and there is engaging piece 4 at the bottom of the tooth concaved the outside of sheet parts 1, and has cambered outwards tooth top engaging piece 5;
There is axis hole in described sheet parts 1, in axis hole, have the flat key shape tooth projecting apertures 6 that a profile of tooth is protruded;
There is a left-handed spiral groove 3 outside in the stage casing of described 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 sheet parts 1 axis hole is protruded is identical with the described quantity of the groove of the external helicoid shape of axle 2, and cooperatively interacts;
The cover that the outside in the stage casing of described axle 2 is closely orderly has multi-disc sheet parts 1;
Described screw thread 7 is all provided with nut, nut by axle 2 and relative position between multi-disc sheet parts 1 fix;
Adhesive layer is filled with in gap mutual between described axle 2 and multi-disc sheet parts 1, engaging piece 4 at the bottom of the tooth of multi-disc sheet parts 1 superposes Surface of action at the bottom of rear formation continuous print left-hand teeth, and the tooth top engaging piece 5 of multi-disc sheet parts 1 superposes the left-handed tooth top Surface of action of rear formation continuous print.
The left-handed positive screw axis that the interior single groove adhesive layer be more preferably is filled, is characterized in that: described adhesive layer is the adhesive layer of epoxy resin adhesive solidification, or the adhesive layer of quick-drying structure glue solidification, or the adhesive layer of Structural Hardware adhesive curing.
Process step is as follows:
Step 1): sheet metal is machined into toothed sheet parts 1;
Step 2): the outside then multi-disc sheet parts 1 being enclosed within axle 2, the tooth in sheet parts 1 axis hole is convex to cooperatively interact with the groove of the external helicoid shape of axle 2, forms the appearance of spiral oblique crank Z;
Step 3): then the relative position that the multi-disc sheet parts 1 of the spiral oblique crank Z after above-mentioned moulding and axle 2 carry out profile is fixed, after fixing, form screw rod axis body;
Step 4): carry out the inspection of semifinished product to described screw rod axis body, qualified screw rod axis body enters next step, and defective screw rod axis body is again checked after entering the mould squeezing shaping of screw axis shape, entered next step after qualified;
Step 5): then screw rod axis body is carried out quenching technical;
Step 6): then screw rod axis body is immersed glue;
Step 7): then the screw axis after glue curing is carried out Checking of finished products, qualified finished product screw axis warehouse-in, defective screw axis is checked after carrying out the outer contour surface process of screw axis again, the finished product screw axis warehouse-in after qualified.
Example 2: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, adopt wherein a kind of method of punching press, Linear cut, laser beam cutting, plasma cut, the cutting of high pressure liquid muscle power, by toothed for sheet metal machine shaping sheet parts 1.
Example 3: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, completes screw rod axis body and immerses glue technique in vacuum box.
Example 4: as shown in Fig. 1 to Fig. 3 and example 3, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, in vacuum box, carry out screw rod axis body immerses in the process of glue, close vacuum pump, open suction valve fast, make air inlet fast in vacuum box, by the time when vacuum box internal pressure and normal-pressure balance, cut out suction valve reopens vacuum pump and carries out negative-pressure ward, and above-mentioned rapid pressure and fast decompression process hocket once.
Example 5: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, the method that the described relative position multi-disc sheet parts 1 of the spiral oblique crank Z after moulding and axle 2 being carried out profile is fixed is: with axial force clamping sheet parts 1 on axle, and fixing relative position.
Example 6: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, the method that the described relative position multi-disc sheet parts 1 of the spiral oblique crank Z after moulding and axle 2 being carried out profile is fixed is: adopt auxiliary clamp, axial grip sheet parts 1 while clamp shaft, and fixing relative position.
Example 7: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, described glue adopts epoxy resin adhesive or quick-drying structure glue or Structural Hardware glue.
Example 8: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, can carry out immersion glue technique below screw rod axis body quench cooling to 40 degree Celsius.
Example 9: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, screw rod axis body chilling temperature carries out immersion glue technique between 20 degrees Celsius to 30 degrees Celsius.
Example 10: as shown in Fig. 1 to Fig. 3 and example 1, the left-handed positive screw axis that disclosed a kind of interior single groove adhesive layer is filled, wherein a kind of method that quenching technical adopts high frequency hardening, mid frequency induction hardening or heat treatment furnace to quench.
Below by reference to the accompanying drawings mode of execution of the present utility model is explained in detail; but the utility model is not limited thereto; in the ken that person of ordinary skill in the field possesses; can also make a variety of changes under the prerequisite not departing from the utility model aim; person of ordinary skill in the field is from above-mentioned design; without performing creative labour, done all conversion, all drop within protection domain of the present utility model.
Claims (1)
1. the left-handed positive screw axis that in, single groove adhesive layer is filled, comprises sheet parts (1), axle (2), it is characterized in that:
The outline shape of described sheet parts (1) is the cross section outline shape of left-handed positive screw axis engaging piece, and there is engaging piece (4) at the bottom of the tooth concaved the outside of sheet parts (1), and has cambered outwards tooth top engaging piece (5);
Described sheet parts (1) adopts laser beam cutting, sheet metal is processed into sheet parts (1);
There is axis hole in described sheet parts (1), in axis hole, have flat key shape tooth projecting apertures (6) that a profile of tooth is protruded;
There is a left-handed spiral groove (3) outside in the stage casing of described 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 sheet parts (1) axis hole is protruded is identical with the described quantity of the groove of the external helicoid shape of axle (2), and cooperatively interacts;
The cover that the outside in the stage casing of described axle (2) is closely orderly has multi-disc sheet parts (1);
Described screw thread (7) is all provided with nut, nut by axle (2) and relative position between multi-disc sheet parts (1) fix;
Adhesive layer is filled with in gap mutual between described axle (2) and multi-disc sheet parts (1), form Surface of action at the bottom of continuous print left-hand teeth after engaging piece (4) superposition at the bottom of the tooth of multi-disc sheet parts (1), after tooth top engaging piece (5) superposition of multi-disc sheet parts (1), form the left-handed tooth top Surface of action of continuous print; Described adhesive layer is the adhesive layer of quick-drying structure glue solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569519.1U CN205225680U (en) | 2015-08-02 | 2015-08-02 | Levogyration male screw rod axle that interior single groove adhesive layer was filled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569519.1U CN205225680U (en) | 2015-08-02 | 2015-08-02 | Levogyration male screw rod axle that interior single groove adhesive layer was filled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225680U true CN205225680U (en) | 2016-05-11 |
Family
ID=55900749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520569519.1U Expired - Fee Related CN205225680U (en) | 2015-08-02 | 2015-08-02 | Levogyration male screw rod axle that interior single groove adhesive layer was filled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225680U (en) |
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2015
- 2015-08-02 CN CN201520569519.1U patent/CN205225680U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20160802 |