JPH09264271A - Manufacture of scroll compressor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To precisely perform a relative positioning between a fixed scroll and an oscillating scroll and to facilitate assembly. SOLUTION: In positioning and assembly of a scroll compressor, the third guide hole 50C and the fourth guide hole 50D, which are coaxial with the first guide hole 50A and the second guide hole 50B in an upper bearing support 7, are respectively bored in a fixed scroll 1 penetratingly. And when the contact faces of the fixed scroll 1 and the upper bearing support 7 are brought into mutual contact, the fixed scroll 1 and the oscillating scroll 2 are positioned relatively so that the first guide pin 46A is fitted in the first guide hole 50A and the third guide hole 50C while the second guide pin 46B is fitted in the second guide hole 50B and the fourth guide hole 50D. After the fixed scroll 1 and the upper bearing support 7 are fixed by means of a fastening means such as a bolt, the first guide pin 46A and the second guide pin 46B are pulled out from the third guide hole 50C and the fourth guide hole 50D.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a scroll compressor used in, for example, an air conditioner, a refrigerating device, or the like.

[0002]

2. Description of the Related Art FIG. 13 is a sectional view showing a scroll compressor of the same type as that disclosed in Japanese Examined Patent Publication No. 5-15919. In FIG. 13, 1 is a fixed scroll provided with a fixed scroll blade 1b on one side of the base plate portion 1a, 2 is a swing scroll blade 2b provided on one side of the base plate portion 2a, and the other side is a base plate portion 2a. An orbiting scroll having a boss portion 2c that receives a driving force from the main shaft 6 through the projection 3 is a discharge port, and 45 is a combination of the scroll blades 1b and 2b. A compression chamber is formed, 50 is a guide hole formed in the fixed scroll 1,
46 is a guide pin.

Reference numeral 7 is an upper bearing support, and 47 is a lower bearing support. The upper bearing support 7 slidably supports the orbiting scroll 2 on its upper surface, and supports the main shaft 6 in the radial direction. The upper bearing support 7 has a guide pin 46 protruding from the upper end surface thereof.
Is fitted into the guide hole 50 of the fixed scroll 1, the orbiting scroll 2 and the fixed scroll 1 are relatively positioned, and are fixed to the lower bearing support 47 together with the fixed scroll 1. An Oldham mechanism 35 restrains the rotation of the orbiting scroll 2 and determines the phase of the orbiting scroll 2 and the upper bearing support 7 in the rotational direction. Reference numeral 6 denotes a main shaft, to which torque for driving the orbiting scroll 2 is given from the electric motor M.

Next, a method of assembling the scroll compressor configured as described above will be described. First, the main shaft 6 is passed through the lower bearing support 47, and on the side opposite to the large diameter part of the main shaft 6,
The motor / rotor 8 of the electric motor M is shrink-fitted and fixed. Then, after the upper bearing support 7 and the lower bearing support 47 are fitted in the spigot, the Oldham mechanism 35 is attached, and further the orbiting scroll 2 is attached. Also, the upper bearing support 7
When the fixed scroll 1 and the orbiting scroll 2 are mounted relative to each other when the fixed scroll 1 is attached to the upper bearing support 7, a guide pin 46 is provided so as to project from the contact surface of the fixed scroll 1 and the guide pin 46 is fitted into the guide hole 50. Position is regulated. Further, it is fixed with bolts.

[0005]

Since the conventional scroll compressor is constructed or assembled as described above, when the fixed scroll 1 is attached to the upper bearing support 7, the guide pin 46 must be embedded in the product. did not become. Therefore, there is a problem that the number of parts increases. In addition, there is a problem that the contact surface between the upper bearing support 7 and the fixed scroll 1 needs to be processed to provide the guide hole 50 for fitting the guide pin 46.

The present invention has been made to solve the above problems, and a scroll compressor capable of accurately positioning the fixed scroll and the orbiting scroll relative to each other and being easily assembled. It is intended to provide a manufacturing method of.

[0007]

In order to achieve the above-mentioned object, a method of manufacturing a scroll compressor according to the present invention comprises:
An orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed scroll blade combined with the orbiting scroll blade are provided. In manufacturing a scroll compressor having a fixed scroll attached to an upper bearing support so as to include an orbiting scroll blade, a first guide hole is further provided on a contact surface of the upper bearing support, and a first guide hole is further provided. Has a second guide hole at a different position, and the third guide is coaxial with the first guide hole and the second guide hole on the contact surface of the fixed scroll.
Of the fixed scroll and the upper bearing support are brought into contact with each other at positions where the respective guide holes facing each other are substantially coaxial with each other, and substantially The 1st placed in the position to be the coaxial center
The first guide hole and the third guide hole to fit
The second guide pin is inserted into the second guide hole and the fourth guide hole so that the fixed scroll and the orbiting scroll are relatively positioned. After fixing the bearing support with fastening means such as bolts, the second guide pin and the second guide pin are extracted from the third guide hole and the fourth guide hole.

Further, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed combination with the orbiting scroll blade. A fixed scroll provided with a scroll blade and attached to the upper bearing support so as to include the orbiting scroll blade, and a lower bearing support abutting on a surface of the upper bearing support opposite to the orbiting scroll support surface. In manufacturing a scroll compressor, a fifth guide hole is formed in the contact surface of the upper bearing support, and a sixth guide hole is formed at a position different from the fifth guide hole, so that the fixed scroll is formed. The third guide hole and the fourth guide hole, which are coaxial with the fifth guide hole and the sixth guide hole, are formed in the contact surface of
The lower bearing support is provided with a first bolt hole and a second bolt hole that are coaxial with the fifth guide hole and the sixth guide hole, respectively, and the opposing guide holes and bolt holes are substantially coaxial with each other. The contact surfaces of the fixed scroll, the upper bearing support, and the lower bearing support are brought into contact with each other at a position where the reamer portion is provided, and the reamer portion is provided at the third guide hole and the fifth guide hole which are arranged at positions substantially coaxial with each other. The first reamer bolt so that the fixed scroll and the orbiting scroll are inserted by inserting the first reamer bolt so that the reamer portion fits into the fourth guide hole and the second reamer bolt so that the reamer portion fits into the fourth guide hole and the sixth guide hole. After the relative positioning, the screw parts of the first reamer bolt and the second reamer bolt are screwed into the first bolt hole and the second bolt hole, respectively, to fix the scroll, the upper bearing support, And it is intended to secure the lower bearing support.

Also, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed combination with the orbiting scroll blade. A fixed scroll provided with a scroll blade and attached to the upper bearing support so as to include the orbiting scroll blade, and a lower bearing support abutting on a surface of the upper bearing support opposite to the orbiting scroll support surface. In manufacturing a scroll compressor, a fifth guide hole is formed in the contact surface of the upper bearing support, and a sixth guide hole is formed at a position different from the fifth guide hole, so that the fixed scroll is formed. And a third guide hole and a fourth guide hole, which are coaxial with the first guide hole and the second guide hole, are formed on the contact surface of
The lower bearing support is provided with a first bolt hole and a second bolt hole that are coaxial with the fifth guide hole and the sixth guide hole, respectively, and the opposing guide holes and bolt holes are substantially coaxial with each other. At a position where the contact points of the fixed scroll, the upper bearing support, and the lower bearing support are brought into contact with each other, and the reamer portion is provided at the intermediate portion sandwiched between the screw portions and the screw portion, Using the bolt and the second stud, the first stud and the fourth stud are arranged so that the reamer portion fits into the third guide hole and the fifth guide hole which are arranged at positions substantially coaxial with each other. Second studs are inserted so that the reamer parts fit into the guide holes and the sixth guide holes, respectively, and one screw part of the first stud and the second stud is inserted into the first bolt hole. Oh After fixing the fixed scroll and the orbiting scroll relative to each other by screwing them into the second bolt hole and the second bolt hole, respectively, the first stud and the second stud protruding from the third guide hole and the fourth guide hole. The other screw portion of the stud is fixed with a nut to fix the fixed scroll, the upper bearing support, and the lower bearing support.

Then, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed combination with the orbiting scroll blade. In manufacturing a scroll compressor having a scroll vane and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll vane, the seventh aspect of the present invention is such that the contact surface of the upper bearing support has a substantially polygonal sectional opening. And the eighth guide hole at a position different from that of the seventh guide hole, and the same opening shape as the seventh guide hole and the eighth guide hole on the contact surface of the fixed scroll. And 9th and 10th guide holes, which are coaxial with each other, are formed so as to be penetrated and fixed at positions where respective opposing guide holes are substantially coaxial. A third polygonal column-shaped guide pin fitted to the seventh guide hole and the ninth guide hole, which are arranged at positions substantially coaxial with each other, is brought into contact with the contact surfaces of the crawl and the upper bearing support. , 8th guide hole and 1st
After inserting the polygonal columnar fourth guide pins that fit into the 0 guide holes to position the fixed scroll and the orbiting scroll relatively, the fixed scroll and the upper bearing support are fastened by fastening means such as bolts. It is something that is fixed.

Further, the third guide pin and the fourth guide pin are extracted from the ninth guide hole and the tenth guide hole after fixing the fixed scroll and the upper bearing support in the above-mentioned structure.

Also, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed combination with the orbiting scroll blade. In manufacturing a scroll compressor having a scroll blade and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade, a first convex portion or a concave portion is provided on the contact surface of the upper bearing support. Further, a second convex portion or a concave portion is provided at a position different from the first convex portion or the concave portion, respectively, and the contact surface of the fixed scroll can be fitted with the first convex portion or the concave portion and the second convex portion or the concave portion. The third concave portion or convex portion and the fourth concave portion or convex portion are provided, and the first convex portion or concave portion and the second convex portion or concave portion and the third concave portion or convex portion or The fixed scroll and the orbiting scroll are positioned relative to each other by abutting the respective contact surfaces of the fixed scroll and the upper bearing support at the positions where the fourth scroll and the fourth concave portion or the convex portion are fitted to each other, and then the fixed scroll. The upper bearing support is fixed by fastening means such as bolts.

Further, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed combination with the orbiting scroll blade. In manufacturing a scroll compressor having a scroll vane and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll vane, a fifth aspect of the present invention is provided on a contact surface of either the upper bearing support or the fixed scroll. Of the upper bearing support or the fixed scroll is provided with an eleventh guide hole into which the fifth guide pin fits, and the abutting surface of the upper bearing support is formed on the abutting surface of the upper bearing support. An inlay recess is provided, and an inlay protrusion is provided on the abutment surface of the fixed scroll, and the fifth guide pin is fitted into the eleventh guide hole. After parts and spigot recess and the fitting was relatively positioning the fixed scroll and the orbit scroll and is for securing by fastening means such as bolts fixed scroll and the upper bearing support.

Then, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed combination with the orbiting scroll blade. In manufacturing a scroll compressor having a scroll blade and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade, a first taper hole is further provided on the contact surface of the upper bearing support. The second tapered hole is formed at a position different from that of the first tapered hole, and the contact surface of the fixed scroll is substantially coaxial with the first tapered hole and the second tapered hole, and the tapered surface has a tapered surface. Third consecutive to each other
And the fourth taper hole are formed respectively, and the respective contact surfaces of the fixed scroll and the upper bearing support are brought into contact with each other at positions where the respective opposed taper holes are substantially coaxial with each other, so that they are substantially coaxial with each other. The first taper pin so as to fit into the first taper hole and the third taper hole, and the second taper pin so as to fit into the second taper hole and the fourth taper hole. After respectively inserting and positioning the fixed scroll and the orbiting scroll relatively,
The fixed scroll and the upper bearing support are fixed by fastening means such as bolts.

Further, an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and a fixed member combined with the orbiting scroll blade. In manufacturing a scroll compressor having a scroll blade and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade, in the contact surface of either the upper bearing support or the fixed scroll, 6 guide pin, a 7th guide pin at a position different from the 6th guide pin, and an 8th guide pin at a position different from the 6th guide pin and the 7th guide pin. Alternatively, the first guide pin, the seventh guide pin, and the eighth guide pin fit to the other contact surface of the fixed scroll. Of the guide hole, 13 of the guide hole,
The fourteenth guide holes are provided respectively, and the sixth guide pin, the seventh guide pin, and the eighth guide pin are provided as the twelfth guide hole, the thirteenth guide hole, and the first guide pin.
4 and the fixed scroll and the upper bearing support are brought into contact with each other to bring the fixed scroll and the orbiting scroll into relative positioning, and then the fixed scroll and the upper bearing support are fitted together. It is fixed by fastening means such as bolts.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. First Embodiment of the Invention 1 is a perspective view showing a method of manufacturing a scroll compressor according to Embodiment 1 of the present invention, showing a state in which a scroll blade portion is being assembled. However, the general structure other than the fixed scroll 1, the orbiting scroll 2, the upper bearing support 7, and the lower bearing support 47 is the same as that of the conventional scroll compressor shown in FIG. 13, and a detailed description thereof will be omitted.
The same applies to each embodiment described later. In FIG. 1, the first guide hole 5 is provided on the contact surface of the upper bearing support 7.
0A is drilled. Further, a second guide hole 50B is formed at a position different from that of the first guide hole 50A. Further, the fixed scroll 1 is provided with a third guide hole 50C and a fourth guide hole 50D which are coaxial with the above-mentioned first guide hole 50A and second guide hole 50B. .

Therefore, first, the abutting surfaces of the fixed scroll 1 and the upper bearing support 7 are brought into contact with each other so that the facing guide holes 50A and 50C and 50B and 50D are substantially coaxial with each other. . Next, in the first guide hole 50A and the third guide hole 50C arranged as described above, the first guide pin 46A fitted with these.
Insert On the other hand, the second guide pin 46B fitted with these is inserted into the second guide hole 50B and the fourth guide hole 50D. As a result, the fixed scroll 1 and the orbiting scroll 2 are relatively positioned. After that, the fixed scroll 1, the upper bearing support 7, and the lower bearing support 47 are fixed by fastening means (not shown) such as bolts. Then, as shown in FIG. 2, the first guide pin 46
A and the second guide pin 46B to the third guide hole 50
By assembling the scroll compressor from C and the fourth guide hole 50D, the assembly structure of the scroll compressor is completed.

As described above, according to the first embodiment,
First and second guide pins 46A and 46B used for relative positioning of the fixed scroll 1 and the orbiting scroll 2.
Fixed scroll 1, upper bearing support 7 and lower bearing support 4
Since 7 was fixed with bolts and so on, it was taken out.
The used first and second guide pins 46A and 46B can be used for assembling another scroll compressor.
Therefore, the first and second guide pins 46A and 46B can be reused. In addition, since it is possible to eliminate the embedding of the guide pin in the product, it is possible to reduce the number of parts of the product.

Embodiment 2 of the Invention FIG. 3 shows the second embodiment.
It is a side view which shows the 1st, 2nd reamer bolt used by. In the figure, the first and second reamer bolts 51A,
51B has a structure having a reamer portion 51a that has been subjected to finishing processing and a screw portion 51b. As shown in FIG. 4, the reamer portion 51a of each of the first and second reamer bolts 51A and 51B includes a third guide hole 50C and a fourth guide hole 50D which are formed by penetrating the fixed scroll 1.
Fifth guide hole 5 penetrating the upper bearing support 7
0E and the sixth guide hole 50F are formed to have a size and shape that fit closely. As a result, the relative positions of the fixed scroll 1 and the orbiting scroll 2 are restricted. The threaded portion 51b of the reamer bolt 51 has the first and second bolt holes 56A and 56B formed in the lower bearing support 47.
It is designed to be screwed into.

Further, as shown in FIG. 4, the fixed scroll 1 at a position where the third guide hole 50C and the fourth guide hole 50D are coaxial with the fifth guide hole 50E and the sixth guide hole 50F. It is provided in. Then, the first bolt hole 56A and the second bolt hole 56B are provided in the upper bearing support 7 at a position coaxial with the fifth guide hole 50E and the sixth guide hole 50F.

Therefore, the abutting surfaces of the fixed scroll 1, the upper bearing support 7, and the lower bearing support 47 are respectively provided with facing guide holes 50C and 50E, and 50F and 5, respectively.
0D and the bolt holes 56A and 56B are brought into contact with each other at positions where they are substantially coaxial. Next, the third guide hole 50C and the fifth guide hole 50E thus arranged.
The first reamer bolt 51A is inserted so that the reamer portion 51a fits into the. Further, the second reamer bolt 51B is inserted so that the reamer portion 51a fits into the fourth guide hole 50D and the sixth guide hole 50F. This allows
The fixed scroll 1 and the orbiting scroll 2 are relatively positioned. Then, the screw parts 51b of the first reamer bolt 51A and the second reamer bolt 51B are screwed into the first bolt hole 56A and the second bolt hole 56B, respectively. As a result, the fixed scroll 1, the upper bearing support 7, and the lower bearing support 47 are fixed.

As described above, according to the second embodiment,
Since the reamer bolts are used for the relative positioning of the fixed scroll 1 and the orbiting scroll 2 and for fixing the fixed scroll 1, the upper bearing support 7 and the lower bearing support 47, the conventional fixed scroll 1 and The general-purpose bolt holes used for fixing the upper bearing support 7 can be used as the first and second bolt holes 56A and 56B. Therefore, it is not necessary to separately provide a bolt hole. Further, since the reamer bolt is used instead of the general-purpose bolt, the guide pin can be eliminated from the product. Accordingly, the processing of the guide holes formed in the fixed scroll 1 and the upper bearing support 7 can be eliminated, so that the number of processing steps of parts can be reduced.

Embodiment 3 of the Invention FIG. 5 shows the third embodiment.
It is a side view showing the 1st and 2nd studs used by. In the figure, first and second studs 52
A and 52B are reamer parts 5 with finishing processing in the center
2a and has screw portions 52b at both ends. However, as shown in FIG.
Guide hole 50E and the sixth guide hole 50F, the third guide hole 50C and the fourth guide hole 50D of the fixed scroll 1, and the first bolt hole 56 of the lower bearing support 47.
Both A and the second bolt hole 56B have the same configuration as that of the second embodiment.

Then, the reamer portion 5 of the stud bolt 52
2a regulates the relative positions of the fixed scroll 1 and the orbiting scroll 2 by fitting with the third and fourth guide holes 50C and 50D and the fifth and sixth guide holes 50E and 50F. . In addition, the first and second studs 5
The screw portions 52b of 2A and 52B are screwed into the first and second bolt holes 56A and 56B, and are used for fixing the fixed scroll 1, the upper bearing support 7, and the lower bearing support 47. .

Then, the first stud 52A is inserted so that the reamer portion 52a fits into the third guide hole 50C and the fifth guide hole 50E which are arranged at positions substantially coaxial with each other. Further, the second stud 52B is inserted so that the reamer portion 52a fits into the fourth guide hole 50D and the sixth guide hole 50F. Then, the threaded portions 52b at the lower ends of the first stud bolt 52A and the second stud bolt 52B are screwed into the first bolt hole 56A and the second bolt hole 56B, respectively. As a result, the fixed scroll 1 and the orbiting scroll 2 are relatively positioned. After that, the third guide hole 50C
And, when the screw portion 52b at the upper end protruding from the fourth guide hole 50D is screwed by the nut 54, the fixed scroll 1, the upper bearing support 7, and the lower bearing support 47 are fixed.

By the way, the relative positioning of the fixed scroll 1 and the orbiting scroll 2 has a problem with the accuracy of the reamer portion 52a. However, as in the third embodiment, the first and second studs 52A. , 52B, the central reamer portion 52a has the maximum diameter, so that improvement in accuracy of cylindricity during processing is expected. These first and second
By using the stud bolts 52A and 52B, it is possible to suppress the phase shift between the fixed scroll 1 and the orbiting scroll 2, so that the relative positioning accuracy between the fixed scroll 1 and the orbiting scroll 2 is further improved. To do.

Fourth Embodiment of the Invention FIG. 7 shows the fourth embodiment.
FIG. 13 is a perspective view showing a mode in which the fixed scroll and the upper bearing support are positioned using the third and fourth guide pins having a polygonal column shape according to FIG. In the figure, the upper bearing support 7 is provided with a seventh guide hole 50G having a pentagonal cross section. Further, the eighth guide hole 50 is formed at a position different from that of the seventh guide hole 50G. Further, the fixed scroll 1 is provided with a ninth guide hole 50I and a tenth guide hole 50J which have the same opening shape and are coaxial with the seventh guide hole 50G and the eighth guide hole 50H, respectively. Has been done. Then, the third guide pin 46C used in the fourth embodiment can be fitted into the seventh and ninth guide holes 50G and 50I, and the fourth guide pin 46D can be fitted.
Is formed in a pentagonal prism shape so that it can be fitted into the eighth and tenth guide holes 50H and 50J. That is, the tangential movements of the fixed scroll 1 and the upper bearing support 7 are restricted by the side surfaces 46a of the third and fourth guide pins 46C, 46D in the X direction, and the side surfaces 46b in the Y direction regulate the fixed scroll 1. The movement of the upper bearing support 7 in the radial direction is restricted.

According to the fourth embodiment as described above,
Since the third and fourth guide pins 46C and 46D used for relative positioning of the fixed scroll 1 and the orbiting scroll 2 have a polygonal columnar shape, the third and fourth guide pins 4
6C and 46D restrict the movement of the fixed scroll 1 and the upper bearing support 7 in the tangential direction on the side surface 46a in the X direction, and restrict the radial movement of the fixed scroll 1 and the upper bearing support 7 on the side surface 46b in the Y direction. To be done. It should be noted that the positioning can be performed even when only one third or fourth guide pin 46C or 46D is used, but since the number of regulating positions is increased by using two here, more precise positioning is possible.

Fifth Embodiment of the Invention FIG. 8 shows the fifth embodiment.
FIG. 6 is a perspective view in which the pentagonal prism-shaped third and fourth guide pins are extracted after fixing the fixed scroll and the upper bearing support according to FIG. Here, in the configuration according to the fourth embodiment of the invention described above, the fixed scroll 1 and the orbiting scroll 2 are positioned relative to each other, and after the fixed scroll 1 and the upper bearing support 7 are fixed with bolts or the like, The third guide pin 46C and the fourth guide pin 46D are pulled out from the ninth guide hole 50I and the tenth guide hole 50J.

According to the fifth embodiment as described above,
Third and fourth guide pins 46C and 46D used for relative positioning of the fixed scroll 1 and the orbiting scroll 2.
Since the fixed scroll 1, the upper bearing support 7, and the lower bearing support 47 are fixed, they are extracted from the ninth guide hole 50I and the tenth guide hole 50J. In addition to the effect of improving the positioning assembly accuracy, the guide pin can be eliminated from the product. Further, since the third and fourth guide pins 46C and 46D can be reused, it is possible to reduce the number of parts as a result.

Sixth Embodiment of the Invention FIG. 9 shows the sixth embodiment.
FIG. 9 is a perspective view showing a mode in which the fixed scroll and the upper bearing support are positioned by fitting the first and second convex portions and the third and fourth concave portions according to FIG. In the figure, a first convex portion 57A is provided on the contact surface of the upper bearing support 7. Further, the second convex portion 57B is provided at a position different from the first convex portion 57A. In addition, on the contact surface of the fixed scroll 1,
A third concave portion 57C and a fourth concave portion 57D capable of fitting with the first convex portion 57A and the second convex portion 57B are provided.

Therefore, the abutting surfaces of the fixed scroll 1 and the upper bearing support 7 are respectively connected to the first convex portion 57A and the second convex portion 57A.
57B, the third recess 57C and the fourth recess 5
7D and 7D are brought into contact with each other according to their fitted positions.
As a result, the fixed scroll 1 and the orbiting scroll 2 are relatively positioned. After that, the fixed scroll 1 and the upper bearing support 7 are fixed with bolts or the like.

As described above, according to the sixth embodiment,
For the relative positioning of the fixed scroll 1 and the orbiting scroll 2, the third and fourth recesses 57C and 57D provided on the contact surface of the fixed scroll 1 and the first provided on the contact surface of the upper bearing support 7 are provided. Since the second convex portions 57A and 57B are fitted to each other, the guide pin can be omitted from the product. Therefore, the number of parts can be reduced. Further, since the guide hole can be eliminated, it is possible to reduce the number of processing steps.

In the above embodiment, an example is shown in which the convex portion is provided on the upper bearing support 7 side and the concave portion is provided on the fixed scroll 1 side, but the present invention is not limited to this, and the concave portion is provided on the upper bearing support 7 side. Needless to say, the fixed scroll 1 may be provided with a convex portion.

Seventh Embodiment of the Invention FIG. 10 is a cross-sectional view showing a mode in which the spigot convex portion and the spigot concave portion are fitted in the spigot and the fifth scroll guide pin is used to position the fixed scroll and the upper bearing support according to the seventh embodiment. In the figure, a fifth guide pin 46E is provided on the contact surface of the upper bearing support 7 so as to project therefrom. Further, an eleventh guide hole 50K into which the fifth guide pin 46E is fitted is formed in the contact surface of the fixed scroll 1. A spigot recess 58 is provided on the contact surface of the upper bearing support 7, and a spigot projection 59 is provided on the contact surface of the fixed scroll 1.
Is provided.

Therefore, first, the spigot convex portion 59 and the spigot concave portion 58 are fitted together. Next, the fifth guide pin 46
E is fitted into the eleventh guide hole 50K. As a result, the fixed scroll 1 and the orbiting scroll 2 are relatively positioned. After that, the fixed scroll 1 and the upper bearing support 7 are fixed with bolts or the like.

According to the seventh embodiment as described above,
Inlay projection 59 of fixed scroll 1 and upper bearing support 7
Since the inlay recess 58 is fitted and the phase determination is performed by using only one fifth guide pin 46E, the number of guide pins can be reduced as compared with the product.
Therefore, the number of parts can be reduced, and at the same time, the process of forming the guide hole can be reduced.

Eighth Embodiment of the Invention FIG. 11 is a perspective view showing a mode in which the fixed scroll and the upper bearing support are positioned using the first and second taper pins according to the eighth embodiment. In the figure, the upper bearing support 7 is provided with a first taper hole 60A. Also, the first taper hole 60A
A second taper hole 60B is formed at a position different from that of. Further, the fixed scroll 1 has a first tapered hole 60.
A third taper hole 60C and a fourth taper hole 60D which are coaxial with A and the second taper hole 60B and whose taper surfaces are continuous with each other when the abutting surfaces are aligned are provided. .

Therefore, the first taper pin 55A is inserted so as to be fitted into the first taper hole 60A and the third taper hole 60C which are arranged at positions substantially coaxial with each other, and the second taper pin 55A is inserted.
The second taper pin 55B is inserted so as to be fitted in the taper hole 60B and the fourth taper hole 60D. As a result, the fixed scroll 1 and the orbiting scroll 2 are relatively positioned. After that, the fixed scroll 1 and the upper bearing support 7 are fixed with bolts or the like.

According to the eighth embodiment as described above,
The first, second, third, and fourth taper holes 60A, 60B, 60C, and 60D are provided in the fixed scroll 1 and the upper bearing support 7, while the first and second taper pins 55A and 55B are used. For positioning after the fixed scroll 1 is attached to the bearing support 7, the first and second taper pins 55A,
When 55B is inserted, even if the phases of the fixed scroll 1 and the orbiting scroll 2 are slightly deviated from each other, the adjustment operation at the time of insertion can be minimized, so that the working time can be shortened.

Ninth Embodiment of the Invention FIG. 12 is a perspective view showing a state during assembly in which the fixed scroll and the upper bearing support are positioned using the sixth, seventh, and eighth guide pins according to the ninth embodiment. In the figure, a sixth guide pin 46F is projectingly provided on the contact surface of the upper bearing support 7, and a seventh guide pin 46G is projectingly provided at a position different from the sixth guide pin 46F. Guide pin 46
F and the eighth guide pin 46G at a position different from the eighth
Guide pins 46H are provided in a protruding manner. The fixed scroll 1 is fitted with the sixth guide pin 46F, the seventh guide pin 46G, and the eighth guide pin 46H.
2nd guide hole 50L, 13th guide hole 50M, 14th
50 N of the guide holes are formed respectively.

Therefore, the sixth guide pin 46F, the seventh guide pin 46G, and the eighth guide pin 46H are placed in the twelfth guide hole 50L, the thirteenth guide hole 50M, and the fourteenth guide hole 50N, respectively. Mating. Next, the contact surfaces of the fixed scroll 1 and the upper bearing support 7 are brought into contact with each other. As a result, the fixed scroll 1 and the orbiting scroll 2 are relatively positioned. afterwards,
The fixed scroll 1 and the upper bearing support 7 are fixed with bolts or the like.

According to the ninth embodiment as described above,
When the relative positioning of the fixed scroll 1 and the orbiting scroll 2 is performed, three guide pins are used, so the positioning regulation becomes strict and the fixed scroll 1 and the orbiting scroll 2 can be positioned with higher accuracy. Becomes

[0044]

As described above, according to the first aspect of the present invention, the first and second guide pins used for the relative positioning of the fixed scroll and the orbiting scroll are fixed to the fixed scroll and the lower bearing. Since the support is fixed and then withdrawn, the used guide pin can be used for assembling another compressor, so that the guide pin can be reused. Further, since it is possible to eliminate the embedding of the guide pin in the product, it is possible to reduce the number of parts.

According to the second aspect of the present invention, the first and second fixing rollers are provided for relative positioning of the fixed scroll and the orbiting scroll and for fixing the fixed scroll to the upper bearing support and the lower bearing support. Since we have decided to use the reamer bolt, we can eliminate the guide pin from the product. Further, along with this, the finishing work of the guide holes formed in the fixed scroll and the upper bearing support can be eliminated, so that the number of parts can be reduced and the number of process steps of parts can be reduced.

According to the third aspect of the invention, the accuracy of the reamer portion in the guide pin or the like becomes a problem in the relative positioning of the fixed scroll and the orbiting scroll. Since the center reamer portion of the second stud bolt structure has the maximum diameter, it is expected that the accuracy of cylindricity will be improved when the reamer portion is processed. By positioning the fixed scroll and the upper bearing support with the reamer portion of these studs, the phase shift between the fixed scroll and the orbiting scroll can be suppressed. Therefore, the relative positioning accuracy of the fixed scroll and the orbiting scroll is improved.

According to the fourth aspect of the invention, the relative positioning of the fixed scroll and the orbiting scroll is performed.
Since the third and fourth polygonal column guide pins are used, the tangential movements of the fixed scroll and the orbiting scroll are restricted by the side faces of these guide pins in the X direction, and the side faces of the guide pin in the Y direction. Because the radial movement of the fixed scroll and the orbiting scroll is restricted by
It is possible to perform the relative positioning of the fixed scroll and the orbiting scroll with high accuracy.

According to the fifth aspect of the invention, the fixed scroll and the lower bearing support are fixed by the third and fourth guide pins used for relative positioning of the fixed scroll and the orbiting scroll. I decided to remove it later, so
Since highly accurate positioning of the product can be realized and the third and fourth guide pins can be reused, the number of parts in the product can be reduced.

According to the sixth aspect of the present invention, for the relative positioning of the fixed scroll and the orbiting scroll, the third and fourth concave or convex portions provided on the abutting surface of the fixed scroll and the bearing are used. The guide pin can be eliminated from the product by fitting the first and second convex portions or concave portions provided on the contact surface of the support, respectively. Therefore, the number of parts can be reduced. Along with that, the guide hole can be eliminated, so that the number of processing steps can be reduced.

According to the invention described in claim 7, the spigot convex portion is provided on the abutment surface of the fixed scroll, and the spigot concave portion is provided on the abutment surface of the upper bearing support.
Since this is done by using one guide pin, the number of guide pins used in the product can be reduced and the number of parts can be reduced. Moreover, the process of processing the guide hole can be reduced.

According to the invention described in claim 8, the guide holes formed in the fixed scroll and the upper bearing support are the first, second, third and fourth tapered holes, while the guide pins are Since the first and second taper pins are used, when the first and second taper pins are inserted for positioning after the fixed scroll is attached to the upper bearing support, the phases of the fixed scroll and the orbiting scroll may be slightly different. Even if there is a misalignment, the adjustment operation at the time of insertion can be minimized, so it is expected that the machining time will be shortened.

Furthermore, according to the ninth aspect of the invention, when the relative positioning of the fixed scroll and the orbiting scroll is performed, three sixth, seventh and eighth guide pins are used. , The regulation of positioning becomes more strict. Therefore, the fixed scroll and the orbiting scroll can be positioned with higher accuracy.

[Brief description of drawings]

FIG. 1 is a first and a second embodiment according to a first embodiment of the present invention.
FIG. 6 is a perspective view showing a mode in which the fixed scroll and the upper bearing support are positioned using the guide pin of FIG.

FIG. 2 is a perspective view showing a mode in which the fixed scroll is fixed to the upper bearing support and then the first and second guide pins shown in FIG. 1 are pulled out.

FIG. 3 shows a first embodiment used in a second embodiment of the present invention.
It is a side view which shows the 2nd reamer bolt.

FIG. 4 is a perspective view showing a mode of positioning and fixing a fixed scroll, an upper bearing support and a lower bearing support by using the first and second reamer bolts shown in FIG.

FIG. 5 shows a first embodiment used in a third embodiment of the present invention.
It is a side view which shows the 2nd stud.

6 is a perspective view showing a mode in which the fixed scroll, the upper bearing support and the lower bearing support are positioned and fixed using the first and second studs and nuts shown in FIG.

FIG. 7 is a perspective view showing a mode in which a fixed scroll and an upper bearing support are positioned using third and fourth guide pins having a polygonal column shape according to Embodiment 4 of the present invention.

FIG. 8 is a perspective view in which the fixed scroll and the upper bearing support are fixed and the polygonal columnar third and fourth guide pins are extracted according to the fifth embodiment of the present invention.

FIG. 9 is a first and a second embodiment according to the sixth embodiment of the present invention.
It is a perspective view showing the mode which positions a fixed scroll and an upper bearing support by fitting the convex part of 3rd, and the 4th concave part.

FIG. 10 is a cross-sectional view showing a mode in which a spigot convex portion and a spigot concave portion are fitted to each other by the spigot fitting and the fifth scroll guide pin is used to position the fixed scroll and the upper bearing support according to the seventh embodiment of the present invention. It is a figure.

FIG. 11 is a perspective view showing a mode of positioning a fixed scroll and an upper bearing support by using first and second taper pins according to Embodiment 8 of the present invention.

FIG. 12 is a perspective view showing a mode of positioning a fixed scroll and an upper bearing support using sixth, seventh, and eighth guide pins according to a ninth embodiment of the present invention.

FIG. 13 is a vertical cross-sectional view showing the configuration of a conventional scroll compressor.

[Explanation of symbols]

1 fixed scroll, 1b fixed scroll blade, 2 rocking scroll, 2b rocking scroll blade, 7 upper bearing support, 35 Oldham coupling, 46A 1st guide pin,
46B 2nd guide pin, 46C 3rd guide pin, 46D 4th guide pin, 46E 5th guide pin, 46F 6th guide pin, 46G 7th guide pin, 46H 8th guide pin, 46a Sides in X direction, 46b Sides in Y direction, 47 Lower bearing support 5
0A first guide hole, 50B second guide hole, 50C
Third guide hole, 50D Fourth guide hole, 50E Fifth guide hole, 50F Sixth guide hole, 50G Seventh
Guide hole, 50H 8th guide hole, 50I 9th guide hole, 50J 10th guide hole, 50K 11th guide hole, 50L 12th guide hole, 50M 13th guide hole, 50N 14th guide hole Guide hole, 51A first reamer bolt, 51B second reamer bolt, 51a
Reamer part, 51b screw part, 52A 1st stud, 52B 2nd stud, 52a Reamer part, 52b screw part, 54 nut, 55A 1st taper pin, 55B 2nd taper pin, 57A 1st convex part , 57B second convex portion, 57C third concave portion, 57D
4th concave part, 58 spigot concave part, 59 spigot convex part, 60A 1st taper hole, 60B 2nd taper hole, 60C 3rd taper hole, 60D 4th taper hole.

Claims (9)

[Claims] 1. A combination of an orbiting scroll having one surface with an orbiting scroll blade, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. In manufacturing a scroll compressor having a fixed scroll blade and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade, a first guide is provided on a contact surface of the upper bearing support. A second guide hole is formed at a position different from the first guide hole, and the contact surface of the fixed scroll is coaxial with the first guide hole and the second guide hole. Third heart
Of the fixed scroll and the upper bearing support are brought into contact with each other at a position where the opposed guide holes are substantially coaxial with each other. A first guide pin, a second guide hole, and a fourth guide hole so as to fit into the first guide hole and the third guide hole, which are arranged at positions substantially coaxial with each other. The second guide pin is inserted so as to be fitted to each other so as to relatively position the fixed scroll and the orbiting scroll, and the fixed scroll and the upper bearing support are fixed by fastening means such as bolts. After that, the second guide pin and the second guide pin are extracted from the third guide hole and the fourth guide hole, respectively. 2. An orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. And a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade and a surface of the upper bearing support opposite to the orbiting scroll support surface. In manufacturing a scroll compressor having a lower bearing support, a fifth guide hole is formed in the contact surface of the upper bearing support, and a sixth guide hole is formed at a position different from the fifth guide hole. And a third guide hole and a fourth guide hole which are coaxial with the fifth guide hole and the sixth guide hole are formed on the contact surface of the fixed scroll. The lower bearing support is provided with a first bolt hole and a second bolt hole which are coaxial with the fifth guide hole and the sixth guide hole, respectively, and face each other. The fixed scroll, the upper bearing support, and the lower bearing support are brought into contact with each other at the positions where the respective guide holes and the bolt holes are substantially coaxial with each other, and they are arranged at positions where they are substantially coaxial. The first reamer bolt is fitted so that the reamer portion fits into the third guide hole and the fifth guide hole, and the reamer portion fits further into the fourth guide hole and the sixth guide hole. Second reamed bolts are respectively inserted into the first reamed bolts to position the fixed scroll and the orbiting scroll relative to each other, and then the threaded portions of the first reamed bolts and the second reamed bolts are attached to the first bolts. Hole and the second bolt hole screwed to the fixed scroll, respectively, support the upper bearing, and a manufacturing method of the scroll compressor, characterized in that for fixing the lower bearing support. 3. An orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. And a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade and a surface of the upper bearing support opposite to the orbiting scroll support surface. In manufacturing a scroll compressor having a lower bearing support, a fifth guide hole is formed in the contact surface of the upper bearing support, and a sixth guide hole is formed at a position different from the fifth guide hole. And a third guide hole and a fourth guide hole which are coaxial with the first guide hole and the second guide hole are formed on the contact surface of the fixed scroll. The lower bearing support is provided with a first bolt hole and a second bolt hole that are coaxial with the fifth guide hole and the sixth guide hole, respectively, and face each other. The fixed scroll, the upper bearing support, and the lower bearing support are brought into contact with each other at positions where the respective guide holes and the bolt holes are substantially coaxial with each other, and the screw is provided at both ends. The first guide bolt and the second guide bolt having a reamer portion in an intermediate portion sandwiched between the portions are used, and the third guide hole and the fifth guide hole are arranged at positions substantially coaxial with each other.
The first stud so that the reamer portion fits in the guide hole of the second stud, and the second stud bolt so that the reamer portion fits in the fourth guide hole and the sixth guide hole. Respectively, and screw one screw part of the first stud and the second stud into the first bolt hole and the second bolt hole respectively to fix the fixed scroll and the swing. After positioning relative to the scroll, the other screw portions of the first stud and the second stud protruding from the third guide hole and the fourth guide hole are respectively nut-fastened. A method for manufacturing a scroll compressor, comprising fixing the fixed scroll, the upper bearing support, and the lower bearing support. 4. An orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. In manufacturing a scroll compressor having a fixed scroll vane and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll vane, a cross-sectional opening is substantially formed on the contact surface of the upper bearing support. A polygonal seventh guide hole and an eighth guide hole are formed at positions different from the seventh guide hole, and the contact surface of the fixed scroll has the seventh guide hole and the seventh guide hole. Guide holes that are formed by penetrating through a ninth guide hole and a tenth guide hole that have the same opening shape as the eighth guide hole and are coaxial with each other, and that face each other. The seventh guide hole and the ninth guide hole arranged so that the respective contact surfaces of the fixed scroll and the upper bearing support are brought into contact with each other at a position where they are substantially coaxial with each other, and the positions are substantially coaxial with each other. The third guide pin having a polygonal column shape and the fourth guide pin having a polygonal column shape that fits into the eighth guide hole and the tenth guide hole are inserted into the fixed scroll and the wobble. A method for manufacturing a scroll compressor, characterized in that the fixed scroll and the upper bearing support are fixed by fastening means such as bolts after the dynamic scroll is relatively positioned. 5. The third guide pin and the fourth guide pin are attached to the ninth guide pin after fixing the fixed scroll and the upper bearing support.
The scroll compressor manufacturing method according to claim 4, wherein the scroll compressor is extracted from the guide hole and the tenth guide hole. 6. A combination of an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. In manufacturing a scroll compressor having a fixed scroll blade and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll blade, a first protrusion is provided on a contact surface of the upper bearing support. A part or a recess, and further the first
The second convex portion or the concave portion is provided at a position different from the convex portion or the concave portion, respectively, and the abutting surface of the fixed scroll can be fitted with the first convex portion or the concave portion and the second convex portion or the concave portion. A third concave portion or convex portion and a fourth concave portion or convex portion, and the first convex portion or concave portion and the second convex portion or concave portion, and the third concave portion or convex portion and the third concave portion or convex portion After the fixed scroll and the orbiting scroll are relatively positioned by abutting the respective contact surfaces of the fixed scroll and the upper bearing support at the positions where the concave portions or the convex portions of 4 are fitted respectively, A method for manufacturing a scroll compressor, characterized in that the fixed scroll and the upper bearing support are fixed by fastening means such as bolts. 7. An orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. In manufacturing a scroll compressor having a fixed scroll vane and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll vane, either of the upper bearing support or the fixed scroll is manufactured. A fifth guide pin is projectingly provided on the contact surface, and the fifth guide pin is provided on the other contact surface of the upper bearing support or the fixed scroll.
Eleventh guide hole into which the guide pin is fitted is provided, an inlay concave portion is provided on the abutment surface of the upper bearing support, and an inlay convex portion is provided on the abutment surface of the fixed scroll. After fitting the guide pin into the eleventh guide hole and fitting the inlay projection and the inlay recess to relatively position the fixed scroll and the orbiting scroll, the fixed scroll and the A method for manufacturing a scroll compressor, characterized in that the upper bearing support is fixed by fastening means such as bolts. 8. A combination of an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. In manufacturing a scroll compressor having a fixed scroll vane and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll vane, a first taper is provided on a contact surface of the upper bearing support. A hole is further formed at a position different from the first tapered hole, and a second tapered hole is formed at a position different from the first tapered hole, and the contact surface of the fixed scroll is substantially the same as the first tapered hole and the second tapered hole. A third taper hole and a fourth taper hole, which are coaxial with each other and whose tapered surfaces are continuous with each other, are formed respectively, and the opposing taper holes are substantially coaxial with each other. The fixed scroll and the upper bearing support are brought into contact with each other at their respective contact surfaces so as to be fitted into the first tapered hole and the third tapered hole which are arranged at positions substantially coaxial with each other. A first taper pin and a second taper pin inserted into the second taper hole and the fourth taper hole so as to relatively position the fixed scroll and the orbiting scroll. After that, the fixed scroll and the upper bearing support are fixed by fastening means such as bolts. 9. A combination of an orbiting scroll having an orbiting scroll blade on one surface, an upper bearing support for slidably supporting the other surface of the orbiting scroll via an Oldham mechanism, and the orbiting scroll blade. In manufacturing a scroll compressor having a fixed scroll vane and a fixed scroll attached to the upper bearing support so as to include the orbiting scroll vane, one of the upper bearing support and the fixed scroll is manufactured. A sixth guide pin on the contact surface, a seventh guide pin at a position different from the sixth guide pin, and an eighth guide pin at a position different from the sixth guide pin and the seventh guide pin. Respectively, and the sixth guide pin and the sixth guide pin are provided on the other contact surface of the upper bearing support or the fixed scroll. 7 guide pin, 12th guide hole into which the 8th guide pin is fitted, 13th guide hole,
The fourteenth guide holes are formed respectively, and the sixth guide pin, the seventh guide pin, and the eighth guide pin are provided as the twelfth guide hole, the thirteenth guide hole, and the The fixed scroll and the orbiting scroll are fitted relative to each other by being fitted into the fourteenth guide holes, and the respective contact surfaces of the fixed scroll and the upper bearing support are brought into contact with each other. A method for manufacturing a scroll compressor, characterized in that the upper bearing support and the upper bearing support are fixed by a fastening means such as a bolt.