CN213298628U - Transmission shaft joint structure with composite connection mode - Google Patents
Transmission shaft joint structure with composite connection mode Download PDFInfo
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- CN213298628U CN213298628U CN202022176865.7U CN202022176865U CN213298628U CN 213298628 U CN213298628 U CN 213298628U CN 202022176865 U CN202022176865 U CN 202022176865U CN 213298628 U CN213298628 U CN 213298628U
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Abstract
The utility model provides a transmission shaft joint structure of a glue joint-magnetic pulse welding composite connection mode, which comprises a first connecting shaft (4) and a second connecting shaft (5), wherein the first connecting shaft (4) is a whole and comprises a power input end (1), a glue joint section (2) and a magnetic pulse welding section (3) from left to right, the glue joint section (2) is provided with a glue groove for gluing in advance, and the magnetic pulse welding section (3) is provided with a plurality of fixed grooves for realizing circumferential fixation of the first connecting shaft (4); after the magnetic pulse welding section (3) is subjected to magnetic pulse welding, the second connecting shaft (5) can be embedded into the fixing groove of the first connecting shaft (4) under the action of a magnetic field force, and circumferential fixing is achieved. The joint has the advantages of small internal stress, uniform stress distribution, good structural sealing property, high strength, excellent fatigue and corrosion resistance, simple structure and convenient production and application.
Description
Technical Field
The utility model relates to a shaft dissimilar material composite connection technology, which adopts a transmission shaft joint structure adopting a glue joint-magnetic pulse welding composite connection mode.
Background
Magnetic pulse welding is a solid phase connection technology, and very welding and fusion of two metal interfaces are realized by means of instantaneous high pressure. In the magnetic pulse welding process, no filler metal and protective gas are needed, the heat affected zone is small, and products such as smoke dust and the like are avoided. In the traditional fusion welding process, in the process of welding dissimilar materials (such as aluminum and steel), because the two materials have great performance difference and are easy to generate brittle intermediate compounds, the performance of a welding joint is poor, while the magnetic pulse welding is applied to the welding of the dissimilar metal materials, the generation of the intermediate compounds is avoided, the internal stress after welding is small, the advantages of the respective performances of the two metals can be fully exerted, the welding joint with excellent performance is obtained, and the strength and the corrosion resistance of the joint are obviously improved.
The adhesive joint is a technology for realizing the connection by adopting an adhesive, the adhesive joint technology has the advantages of uniform stress distribution, capacity of connecting dissimilar materials and the like, meanwhile, the joint has excellent tightness to water, air or other environmental media and the like, and meanwhile, the adhesive joint process is simple.
The traditional connection between shafts mostly adopts connection structures such as couplings, clutches and the like or single connection modes such as welding and the like for connection, when the single welding mode is adopted for connecting dissimilar materials, brittle intermediate compounds are easy to generate, and meanwhile, as structural thermal distortion is possible after metal melting, the internal stress of a welding joint is large, the strength is low, and the fatigue and the corrosion resistance are poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, to the not enough that prior art exists, provide one kind and adopt to splice-magnetic pulse welding composite connection mode's transmission shaft joint design, be connected the axle and the pipe fitting that the material is different, this joint design has the advantage of splicing and two kinds of connected modes of magnetic pulse welding concurrently, simple structure, connection are reliable simultaneously.
The technical scheme of the utility model as follows:
the utility model provides a transmission shaft joint design of glued joint-magnetic pulse welding compound connection mode, includes first connecting axle, second connecting axle, its characterized in that:
the first connection is an integral body and comprises a power input end, a glue joint section and a magnetic pulse welding section from left to right, the glue joint section is provided with a glue groove for gluing in advance, and the magnetic pulse welding section is provided with a plurality of fixing grooves for realizing circumferential fixing of the first connecting shaft;
after the magnetic pulse welding section is subjected to magnetic pulse welding, the second connection can be embedded into the first connecting shaft fixing groove under the action of a magnetic field force, and circumferential fixing is achieved.
The beneficial effects of the utility model reside in that:
adopt the connected mode that magnetic pulse welding and cementing combined, the make full use of the advantage of two kinds of connected modes, the internal stress is little and stress distribution is even after the attach fitting realizes connecting, and the section of gluing can realize good sealing, and the magnetic pulse welding section is little than traditional welding process internal stress, does not have the production of brittle intermediate product, and the joint design is strong. The joint adopting the composite connection mode has better strength, corrosion resistance, sealing performance and fatigue performance, and meanwhile, the production process is simple and easy to implement due to the simple joint structure.
Drawings
Fig. 1 is a schematic axial sectional view of a first connecting shaft 4 and a second connecting shaft 5 after connection;
fig. 2 is a schematic structural view of the first connecting shaft 4;
FIG. 3 is a process flow diagram;
wherein: 1-power input end, 2-glue joint section, 3-magnetic pulse welding section, 4-first connecting shaft 4, 5-second connecting shaft 5
Detailed Description
The technical solution of the present invention will be described in detail with reference to the following examples.
As shown in fig. 1-2, the utility model provides a transmission shaft joint structure with a glue joint-magnetic pulse welding composite connection mode, which comprises a first connecting shaft 4 and a second connecting shaft 5,
first connecting axle 4 is a whole, from a left side to the right side with this including power input end 1, splice section 2, magnetic pulse welding section 3, splice section 2 and be equipped with gluey groove for rubber coating in advance, magnetic pulse welding section 3 has several fixed slots, is used for realizing that first connecting axle 4's circumference is fixed.
The connecting sequence of the transmission shaft joint structure is as follows: firstly, gluing in a glue groove, then sleeving a second connecting shaft 5 on a first connecting shaft 4, welding a welding section by adopting magnetic pulse welding, curing a gluing section 2 after welding to complete the connection of joints, and integrally adopting a connection sequence of firstly gluing, then welding and finally curing a glue layer.
The cementing section 2 can play a limiting role in the axial direction and the circumferential direction after being cured.
Magnetic pulse welding section 3 has carried out the magnetic pulse welding back, and in welding section fixed slot part, second connecting axle 5 can be in the fixed slot of embedding first connecting axle 4 under the effect of magnetic field force, realizes the fixed of circumference, and at other parts of welding section except that the fixed slot, first connecting axle 4 can weld together with second connecting axle 5, realizes circumference and axial fixed. Two sections of transmission shafts made of the same or different materials are connected by two connection modes of glue joint and magnetic pulse welding.
The concrete process steps of the joint structure connection of the transmission shaft in the gluing-magnetic pulse welding composite connection mode are as follows:
Step 1.1, determining the position and the size of a connecting pipe to be bonded, marking a bonding line, polishing the outer surface of the first connecting pipe 4 and the inner surface of the second connecting pipe 5 cleanly by using an angle grinder, and keeping a certain roughness, wherein the polishing width is slightly larger than the size of a bonding section and the size of a welding section.
Step 1.2, before gluing, using a cotton yarn head to dip a small amount of acetone solution to scrub the surfaces to be glued and welded of the two connecting pipes, and removing pollutants on the operation surface.
And 2, gluing the glued parts (namely the glue grooves) of the two connecting pipes. Aligning and flattening the glue joint part, checking the verticality, the concentricity or the angle required to glue, smearing the adhesive on the glue joint parts of the two connecting shafts after the glue joint parts are accurate and correct, and clearing the redundant adhesive on the two connecting pipes after the adhesive is smeared evenly, has proper thickness and no bubbles.
And 3, carrying out a cementing and sleeving process. Because the subsequent magnetic pulse welding process is carried out, the gap between the two pipes is uniform as much as possible and cannot be too large or too small; to facilitate jet formation, an initial contact angle should be present; in addition, after the process of the cementing sleeve is finished, the magnetic pulse welding preparation stage is required to be started as soon as possible, otherwise, an adsorption layer and an oxidation layer are formed on the acetone-treated surface again, so that the welding difficulty is increased, and even the welding cannot be carried out.
And 4, loading the workpiece subjected to the sleeve process into a magnetic pulse welding tool to perform a magnetic pulse welding process. After having carried out the magnetic pulse welding, in welding section fixed slot part, second connecting pipe 5 can be in the fixed slot of the first connecting pipe 4 of embedding under the effect of magnetic field force, realizes fixed of circumference, and at other parts of welding section except that the fixed slot, connecting axle 1 and connecting axle 2 can the welding together, realize circumference and axial fixed.
And 5, selecting proper curing conditions according to the use requirements, joint forms, joint areas and the like of the glued joint to cure the glued joint. The cementing section can play a limiting role in the axial direction and the circumferential direction after being cured.
And 6, polishing to remove burrs after curing, and carrying out nondestructive inspection such as X-ray, ultrasonic flaw detection, radioisotope or laser holography and the like on the workpiece to prevent the workpiece from having serious defects.
And 7, if the workpiece has no obvious defects, connecting the two connecting shafts.
Claims (3)
1. The utility model provides a transmission shaft joint design of glued joint-magnetic pulse welding compound connection mode, includes first connecting axle (4), second connecting axle (5), its characterized in that:
the first connecting shaft (4) is a whole and comprises a power input end (1), a gluing section (2) and a magnetic pulse welding section (3) from left to right, the gluing section (2) is provided with a glue groove for gluing in advance, and the magnetic pulse welding section (3) is provided with a plurality of fixing grooves for realizing circumferential fixing of the first connecting shaft (4);
after the magnetic pulse welding section (3) is subjected to magnetic pulse welding, the second connecting shaft (5) can be embedded into the fixing groove of the first connecting shaft (4) under the action of a magnetic field force, and circumferential fixing is achieved.
2. The joint structure of a transmission shaft of a glue joint-magnetic pulse welding composite connection mode according to claim 1, characterized in that: the second connecting shaft (5) is of a hollow tube structure.
3. The joint structure of a transmission shaft of a glue joint-magnetic pulse welding composite connection mode according to claim 1, characterized in that: the number of the fixing grooves is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022176865.7U CN213298628U (en) | 2020-09-28 | 2020-09-28 | Transmission shaft joint structure with composite connection mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022176865.7U CN213298628U (en) | 2020-09-28 | 2020-09-28 | Transmission shaft joint structure with composite connection mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298628U true CN213298628U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022176865.7U Active CN213298628U (en) | 2020-09-28 | 2020-09-28 | Transmission shaft joint structure with composite connection mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298628U (en) |
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2020
- 2020-09-28 CN CN202022176865.7U patent/CN213298628U/en active Active
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