WO1998005865A1 - Procede et dispositif de fabrication d'un ensemble piston - Google Patents
Procede et dispositif de fabrication d'un ensemble piston Download PDFInfo
- Publication number
- WO1998005865A1 WO1998005865A1 PCT/JP1996/002243 JP9602243W WO9805865A1 WO 1998005865 A1 WO1998005865 A1 WO 1998005865A1 JP 9602243 W JP9602243 W JP 9602243W WO 9805865 A1 WO9805865 A1 WO 9805865A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston
- swash plate
- assembly
- fluid supply
- pair
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
- F04B27/0878—Pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Definitions
- the present invention relates to a swash plate type compressor for use in, for example, a vehicle air conditioner or the like, and a method for assembling a sub-assembly. 0 about equipment
- a swash plate (3) having a swash plate (3) inclined at a predetermined angle with respect to the shaft center is provided.
- the pistons ( 4 ), which are arranged in parallel with each other, are attached to the swash plate periphery (3a) of the rotating shaft (2) and at a plurality of positions, for example, five positions at equal circumferential positions.
- the assembly consisting of (2), the swash plate (3) and the piston (4) is generally called a piston assembly (P).
- the shaft (2) has shaft bushings (S), races (R), bear links (13) and thrust races (13) at both ends. S '), and then into the cylindrical holes (5a) and (6a) of the substantially cylindrical cylinder (5> (6)) shown in Fig. 20, and the subassembly shown in Fig. 23 At this time, each piston
- a notch (4a) for accommodating the peripheral edge (3a) of the swash plate (3) is provided at the center of the body of each piston (4).
- the notch (4a) is formed with a pair of shoes (7) which sandwich the swash plate (3) from the axial direction. This is to reduce friction between the swash plate (3) and the spherical surface (7a) that contacts the wall surface of the notch (4a) and the front and back surfaces of the swash plate (3).
- the piston (4) rotates. It moves in any one of the axial directions by receiving the pressing force from the swash plate (3). As a result, each of the pistons (4) is reciprocated in the axial direction with a phase difference, so that compressed air is continuously discharged.
- an assembling jig (10) shown in Fig. 21 is used to assemble this piston assembly (P).
- the mounting table (11) which is cut out circularly from the upper surface to the external side so that the rotating shaft (2) with> can be mounted, and the shafts (12) on both sides of the upper part of the mounting table (11) It consists of a pair of support members (13) that can be opened and closed around the center of the swash plate (3).
- Three supporting portions (11a) having an arc of a cross section are formed at equal intervals corresponding to the positions of the respective pistons (4) in order to support the projecting teeth (4) protruding from the sides.
- the piston assembly (P) is assembled by using the assembling jig (10) in the following procedure.
- both support members (13) are opened around the axis (12) as shown by the solid line in FIG. 21, and the three holding parts (11a) are connected to the three pistons (4). ) Are arranged such that the bottom surface (4a ′) of the notch (4 a) faces the rotation axis (2).
- a pair of showers (7) are laid down on the bottom surface a ') of the notch (4a), that is, the spherical surface (7a) contacts the bottom surface (4a') of the notch (4a). Place it in the condition.
- the rotating shaft (2) is pushed down while the peripheral edge (3a) of the swash plate (3) is applied between the adjacent ends of the pair of shrouds (7), the pressing force of the swash plate (3) is applied. Both shows (7) rise and the flat surface (7b) of each shoe (7) comes into contact with the surface of the swash plate (3), as shown in FIG.
- the two support members (13) are closed by rotating them around the shaft (12) in the direction of arrow A in FIG. 21 and assembling the remaining two belts (4) to the swash plate (3).
- both pistons (4) are pressed downward, a pair of shoes (7) placed in the notch (4a) is pressed by the swash plate (3) and rises, as shown in FIG. Hold the swash plate (3) from both sides in the axial direction.
- the assembled two pistons (4) are supported from both sides by both support members (13), thereby preventing their falling off.
- support them support them with fingers so that the shower (7) in the notch (4a) does not drop by its own weight.
- the piston assembly (P) assembled in this manner is inserted into the bosses (5b) and (6b) by inserting the respective pistons (4) into the bosses (5b) and (6b) using another insertion jig. It is accommodated in the cylinder ⁇ 5) (6).
- the bottom of the notch of the piston located above the swash plate faces downward, so that the screw of the corresponding piston is not used.
- the quality of the piston assembly may vary, which contributes to a reduction in the operation rate of the entire assembly line.
- the present invention has been proposed in view of such circumstances, and all of the mounting of the chest and the swash plate on the swash plate has been automated, and furthermore, the chest and the swash plate in the cylinder have been proposed.
- automating the insertion process of the assembly the swash plate type compressor can be quickly assembled and the product quality is stabilized.
- An assembling method includes a rotary shaft with a swash plate, and a plurality of pistons engaged with a peripheral portion of the swash plate, and a notch formed in the center of the body of the biston.
- a pair of shis are placed on the front and back surfaces of the swash plate, and the pistons reciprocate in the direction of the axis of the rotary shaft through the sh when the swash plate rotates.
- the pair of shoes face the front and back surfaces of the swash plate. It is characterized in that it consists of a process of starting up so as to be parallel.
- a notch formed in the center of the body of the piston includes a rotating shaft with a swash plate and a plurality of pistons engaged with a peripheral portion of the swash plate.
- the swash plate is slid in contact with the front surface of the swash plate, and each piston is reciprocated in the direction of the axis of the rotary shaft via the swash plate when the swash plate rotates.
- a carrier mechanism having a plurality of piston receivers for holding the plurality of pistons at predetermined intervals in parallel, and being movable in a circumferential direction along the periphery of the swash plate.
- the belt which is disposed immediately before the portion where the carrier movement path and the peripheral portion of the swash plate meet, and which is held by the carrier, is provided on the peripheral portion of the swash plate.
- the adjacent ends of the pair of shoes laid in the cutout portion are disposed immediately before the meeting point between the carrier movement path and the peripheral edge of the swash plate.
- pressing means for pressing the bottom surface of the notch to raise the pair of slabs so as to be parallel to the front and both surfaces of the swash plate.
- the assembling cloth of the upper self (2) is an outer enclosure surrounding the circumference of the front swash plate in the circumferential direction with a minimum necessary gap for moving the piston around the swash plate.
- a guide an opening for receiving a piston formed in a part of the outer guide in the circumferential direction, and a bezel for moving around the swash plate on both sides of the outer guide.
- a rotatable inner guide having a plurality of first piston receivers at predetermined intervals in a circumferential direction for receiving the peripheral side surfaces of the both ends of the stone on the side of the pre-rotational shaft;
- the outer guide is movable substantially tangentially with respect to the opening of the outer guide in synchronization with the rotation of the inner guide, and the plurality of pistons are spaced at a predetermined interval along the moving direction.
- a slide base with a plurality of second piston receiving parts It shall have a self-carrier mechanism before it is performed.
- the angle formed between the extension line of the swash plate and the axis of the piston held by the piston receiving portion of the second piston receiving portion is close to 90 °. It is preferable to incline in the direction and make a K-shi.
- the receiving surface of the second piston receiving portion that supports the piston is formed into a curved surface having a curvature larger than the outer diameter surface of the piston. Good.
- An assembly device includes a rotating shaft with a swash plate and a plurality of pistons engaged with a peripheral edge of the swash plate.
- a pair of showers are arranged in the cutouts formed, and this shoe is brought into sliding contact with the surface of the swash plate. When the swash plate is rotated, each shoe is passed through the shower.
- Device for assembling a piston assembly that reciprocates the cylinder in the direction of the axis of the rotating shaft in the cylinder,
- a slide base having a plurality of piston receiving portions for holding a plurality of pistons at predetermined intervals in parallel and movable in a direction orthogonal to the axis of the rotating shaft;
- Adjacent ends of a pair of shoes laid in the notch are located immediately before the intersection of the slide path movement path and the peripheral edge of the swash plate. Pressing means for pressing the pair of showers so as to be in parallel with the front surfaces of the front swash plate so as to be in parallel with each other;
- a shaft support for supporting a rotating shaft with a swash plate, and a plurality of circumferentially arranged shafts facing the swash plate peripheral portion of the rotating shaft supported by the shaft support, are driven by a bracket.
- a piston support that moves back and forth in the axial direction of the rotary shaft, and supports the piston when the piston on the slide base reaches just below the axis of the rotary shaft. The piston is projected so that the corresponding piston is engaged with the swash plate and supported, and each piston is supported while the piston is held in synchronization with the subsequent movement of the slide base.
- the fluid supply path for supplying the working fluid from the supply source is connected to the bridger that drives each of the piston support parts, and the fluid supply path is connected to the fluid supply path. It is desirable to provide switching means that can selectively switch between the flow and blockage of lined roads.
- the fluid supply path is a single flow path on the upstream side of the self-switching means, and is independent for each bridge on the downstream side of the switching means.
- the switching means includes a cylindrical outer member and a similarly cylindrical inner member fitted to the inner diameter of the outer member, and the axial width between the outer member and the inner member is made to vary stepwise.
- a fluid supply groove is provided to open the upstream side of the fluid supply passage on one of the outer diameter surface of the inner fixing member and the inner diameter surface of the outer rotating member facing the fluid supply groove.
- the downstream side of the fluid supply passage is opened while being shifted in the axial direction corresponding to the axial width of the fluid supply groove, and the outer member and the inner member are rotated by the piston supporting portion. It is desirable to make relative rotation in synchronization with the movement.
- the angle formed between the extension of the swash plate and the axis of the piston held by the piston receiver is close to 90 °. It is better to lean in the direction that you want to do.
- the receiving surface for supporting the piston of the piston receiving portion is formed into a curved surface having a curvature larger than the external suspicious surface of the corresponding piston. It is desirable.
- the two support heads can be moved in the direction of approaching and separating from each other, and the front S self cylinder is provided in front of both support heads.
- the cylinder support portion for supporting, a device for assembling a sub-assembly in which the piston assembly is incorporated in the cylinder can be provided.
- the carrier mechanism allows the swash plate to be moved in the circumferential direction while holding the piston. The number of processes is reduced, and the piston assembly can be simplified.
- the notch of the piston is automatically aligned with the periphery of the swash plate by the guide means, and each member is automatically set up so as to follow the swash plate by the pressing member.
- the carrier mechanism is composed of an outer guide, an inner guide, and a slide table, the assembly process can be further automated. Can reduce the variation in the quality of the piston assembly and improve the operation rate of the entire assembly line.
- the entire assembly process can be automated, so that the piston assembly P and the sub-assembly A can be extremely quickly and It can be assembled reliably. Therefore, it is possible to improve the productivity of the swash plate type compressor and achieve a significant cost reduction. In addition, since there is no reliance on manual work of the operator, there is little risk of foreign matter adhering to the product, and the quality is improved.
- FIG. 1 is a perspective view showing the overall structure of an apparatus for assembling a piston assembly.
- Fig. 2 AC is a diagram showing the assembly equipment g of the piston assembly and the assembly status.
- Fig. 2 is a partial cross-sectional front view of the assembling apparatus.
- FIG. 2C is a plan view of FIG. 2B.
- FIG. 3 is a plan view of the assembling apparatus for the piston assembly.
- FIG. 4 is a side view of an assembling apparatus for a piston assembly.
- 5A and 5B are views showing a process of assembling the piston on the swash plate.
- FIG. 5A is a side view of the assembling apparatus, and
- FIG. 5B is a front view of the piston when the shower is started.
- FIG. 5A is a side view of the assembling apparatus
- FIG. 5B is a front view of the piston when the shower is started.
- FIG. 6 is a plan view showing another embodiment of the assembling equipment of the piston assembly.
- FIG. 7 is a longitudinal sectional view of the assembled rice bun shown in FIG.
- FIG. 8 is a front view of the support head on the rear side.
- FIG. 9 is a vertical cross-sectional view of the support head on the rear side.
- FIG. 10 is a plan view of the developed inner member.
- FIG. 11A and 11B are perspective views showing the switching means.
- FIG. 11A is a view from the front side of the switching means, and FIG.
- FIGS. A and B are perspective views showing the switching means.
- FIG. 12A is a view from the surface side of the switching means, and FIG.
- FIG. 13A and 13B are perspective views showing the switching means.
- FIG. 13A is a view from the front side of the switching means
- FIG. 13B is a view from the back side thereof.
- the figure is an enlarged longitudinal sectional view of the main part of the support head on the front side.
- FIG. 15 is a vertical cross-sectional view showing a process when assembling the piston to the swash plate.
- FIG. 16 is a plan view of FIG.
- FIG. 17 is a side view of the two support heads immediately before the installation of the piston.
- FIG. 18 is a side view of a posture holding mechanism provided in a chuck device for checking a rotating shaft.
- FIG. 19 is a partial cross-sectional side view of the piston assembly.
- FIG. 20 is a perspective view of the cover.
- FIG. 21 is a front view of a conventional assembling apparatus.
- FIG. 22 is a cross-sectional view of the pressing member.
- FIG. 22 (A) shows a cross section at A in FIG. 16, and
- FIG. 22 (B) shows a cross section at B in FIG.
- FIG. 23 is a partial cross-sectional side view of the sub-assembly.
- the assembly device (1) for the piston assembly P includes a pair of center stands for detachably and fixedly supporting the rotary shaft with swash plate (2).
- each center stand (20) is a center for supporting the left and right ends of the swash plate-equipped rotating shaft (2) in a restrained state so as not to rotate. It is equipped with a bolt (21) and is detachably fixed on a base (22) by a bolt (23).
- the carrier mechanism (25) connects the swash plate (3) of the rotating shaft (2) with the swash plate installed on the center stand (20).
- the outer guide (26) fixed to the base (22) so as to surround it in the circumferential direction, and the IS axis (2) can rotate freely so as to sandwich the swash plate (3).
- the inner guide (27) to be mounted on the slide and the slide base (28) that holds the piston (4) parallel to the outer guide (26) at predetermined intervals It is composed of
- the outer guide (26) has an opening (26a) for receiving the piston at a part in the circumferential direction intersecting with the slide table (28).
- the inner guide (27) is formed with five first piston receiving portions (27a) radially at equal intervals in the circumferential direction. ing. This first piston reception As shown in FIGS. 5A and 5B, the portion (27a) has the same curvature as the outer peripheral surfaces (4b) at both ends of the piston (4).
- the outer guide (26) and inner guide (27a) have the same curvature as the outer peripheral surfaces (4b) at both ends of the piston (4).
- the center of 27 is located on the extension of the front K center bolt (21) (that is, the center line of the rotating shaft 2).
- the slide base (28) is formed by connecting a pair of frames (29) with a pair of contact plates (30). Both sides of the outer guide (26) are in sliding contact with the elongated holes (28b) formed between the frames (29).
- Slide stand (28b) is formed between the frames (29).
- Instrumentation 3 ⁇ 48 means (31), scan La y de stand (notch 2 8> second bi scan tons receiver (28 a) to be held a bi scan tons of (4) a) a bottom (4a ') May be used as long as a pair of cars (7) are mounted in parallel, and various known techniques in the technical field of a part feeder can be used in combination.
- the guide (35) comes into contact with one end of the piston (4) so that the notch (4a) of the piston (4) can swash the swash plate (3).
- the guide member (35) does not necessarily have to be mounted on the base (22), but may be mounted on the outer guide (26).
- the pressing member (37) is located immediately before the meeting point between the movement path of the slide table (28) and the periphery (3a) of the swash plate (3).
- the pushing member (37) is moved in the direction of movement of the slide base (28) so as to be parallel to the slope (3) of the installed rotating shaft (2) (Fig. 3). It is fixed to the outer guide (26) at an angle with respect to the middle X) .
- the tip (37a) of the pressing member (3 ⁇ ) on the rotating shaft (2) side is shown in Figs. As shown in the figure, it is displaced slightly downward in the opening (26a) .
- the piston assembly in the assembly equipment (1) of this piston assembly P The assembly process of the solid (P) will be described.
- each shoe (7>) is placed in a lying state with the spherical surface (7a) facing the bottom (4a ') side of the notch (4a).
- the slide base (28) is moved in the direction of the outer guide (26) along the base base (22).
- Each of the screws (4) above is guided by the guide surface (35a) of the guide member (35) at a position immediately before the meeting with the peripheral portion (3a) of the slope (3>).
- 2 Move in the direction indicated by the arrow Y in Fig. 3 while holding it at the piston receiving portion (28a), so that the notch (4a) of the piston (4) is located on the periphery of the swash plate (3).
- the pressing member (37) is guided in the notch (4a) aligned with the portion (3a), since the pressing member (37) is displaced downward toward the tip (37a).
- each shoe (7) is vertically raised by a pressing member (37) with the spherical surface (7a) facing outward in the left-right direction, and the flat surface (7b) is placed on the surface of the swash plate (3). Surface contact on both sides.
- the piston (4) separates from the second piston receiving portion (28a) of the slide base (28) and the outer peripheral surfaces (4b) of both ends of the piston (4). Is supported by the first piston receiving portion (27a) of the Inner Guide (27).
- the outer guide (26) surrounds the circumference of the swash plate (3) in the circumferential direction
- the first screw receiving portion (27) of the in-eleven guide (27) is used.
- the piston (4) does not fall out of the a>, and the bottom of the notch (4a> turns the bottom (4a *) of the notch (4a>) toward the K axis (2).
- the inner guide is inserted in the circumferential direction of the swash plate (3) (in the direction of the arrow Z in FIG. 5A) while sliding the shroud (7) on both sides of the eclectic surface of the swash plate (3). Moves with c (27).
- the first guide receiving part (27a) of the inner guide (27) and the outer guide (27) are formed along the circumference of the swash plate (3). 26) It is supported at equal intervals in the circumferential direction between the inner peripheral surface.
- the sensor stand (20) supporting the long rotating shaft (2) is attached to the base (22). ).
- the force that does not hold the piston (4) on the inner guide (27); ) Is slid upward along the swash plate (3), but is not necessarily limited to this.
- Other carrier mechanisms can be used as long as they are configured to be able to move in the circumferential direction along the circumference of the o.
- the base may have a fragile structure (such as a conveyor).
- the screw (4) in which the shoe (7) is disposed in the notch (4a) is placed on the slide base (28), and
- the piston assembly (P) can be assembled very quickly and reliably by simply moving the slide table (28) toward the rotating shaft (2) with swash plate fixed to the table (22). be able to. That is, the periphery (3a) of the swash plate (3) and the notch (4a) of the piston (4) are automatically aligned by the guide member (35), and the bottom of the notch (4a) is aligned.
- a pair of showers (7>) mounted on (4a ') are automatically raised by the pressing member (37) in parallel to the front and back surfaces of the swash plate (3).
- each piston (4) can be quickly and radially mounted on the periphery (3a) of the swash plate (3) in parallel with the axis of the rotating shaft (2).
- the worker does not need to hold the dress (4) and the shoe (7) with his / her finger or the like, and even a person who has no assembly experience can use a plurality of dresses (4).
- the use of the shingle of this embodiment makes it possible for the same worker to assemble the piston assembly (P) in comparison with a manual work stand.
- this assembled garment has a support head (50) for supporting a rotating shaft (2: hereinafter simply referred to as "rotating shaft") with a bevel (3). (51), a slide base (52) for holding a plurality of screws (4) in an aligned state, and a stand mounted on a cutout of each piston (4).
- a pressing member (54) that guides each piston (4) in a predetermined direction while raising, and guides each piston (4) on the slide base (52) to the pressing member (53). And a pair of business guides (53).
- the support heads (50) and (51) are a front end supporting the rear end of the rotary shaft (2) and a front end supporting the front end of the rotary shaft.
- the head (51) is installed opposite to the front side. As shown in FIG. 9, both heads (50) and (51) are arranged on rails (56) via wheels (not shown), and a chassis provided at each lower part thereof. It is possible to move in the direction of approaching and separating from each other by the cylinder (57).
- the supporting heads (50) and (51) are provided with rotating pedestals (59) rotatable about a common rotation axis (0), respectively.
- the frame (62) of (50) has a substantially cylindrical shape that is rotatably supported via a bearing (63).
- the center bin (60> and A plurality of clamp bins (61) are inserted respectively.However, in FIG. 9, only one of the plurality of clamp bins (61) is illustrated and other clamp bins are illustrated.
- the rotating pedestal (59) has The air pedestal (59) is reciprocated in the direction of the rotation axis (0) by the air cylinder (58).
- the center bin (60) is arranged so that its axis coincides with the axis of rotation (0), and has a support provided at the end of the axis on the rear side of the axis of rotation (2).
- a conical shaft support (65) is provided that can engage with the hole (64).
- a bearing (not shown) is interposed between the center bin (60) and the rotating pedestal (59), and the base end of the center bin (60) is provided with a locking member (66). ) To the frame (62), so that the center bin (60) does not rotate following the rotation of the rotating base (59). Stationary o
- the clamp bin (61) is located at multiple locations at K positions such as the circumference of the center bin (60). It is provided at the same number of places as the ton (4) (5 places in this embodiment) (61a to 61e).
- the piston support (67) is hooked into the hook holes (not shown) provided on both end faces of the piston, and Clamp (4).
- a working fluid for example, compressed air.
- the piston (72) and the force formed integrally with the base end of (61) consist of two air supply ports (73) and (74) on both axial sides of the piston (72). This is the so-called rebound type.
- the piston (72) When air is supplied to the supply port (73) on the base end side of the bin, the piston (72) is pressed to the left of the drawing, and the clamp bin (61) advances to be assembled. Biston (4) is clamped.
- the clamp bin (61) retreats and the clamped chest is turned off. It is clamped.
- the front of the support heads (50) and (51) (50a, 51a: the surface facing the support head on the other side) is used to support the cylinders (5) and (6).
- the cylinder support portion (69) is provided with each of the clamp bins.
- Each of the purgers (70) is connected to two fluid supply passages (75>, (76) connected to a supply source of compressed air (not shown).
- the two-fluid supply passages (75) and (76) form one flow passage (75a) (76a) on the upstream side, but branch off for each plunger (70) on the downstream side.
- Switching means (77) is provided near the base end of the center bin (60), which is supplied from a single lined air source (not shown). The compressed air is selectively distributed and supplied to the plungers (70) provided for each clamp bin (61).
- the switching means (77) includes a cylindrical outer member (80) concentrically arranged with the rotating pedestal (59>), and a cylindrical inner member (80) inserted into the outer member (80).
- the base member of each outer cylinder (71) is inserted into the outer member (80), and the outer member (80) is rotated when the rotating base (59) rotates.
- Fig. 10 a plan view of the developed inner member
- three types of grooves (82)-(84) are formed on the outer surface of the inner member (81).
- These three types of grooves (82) to (84) are, in order from the tip side (left side in the drawing) of the center bin (60), a first fluid supply groove (82), an exhaust groove (83), and
- the first fluid supply groove (82) and the exhaust groove (83) correspond to a partition (85) extending in one axial direction in the circumferential direction.
- the second fluid supply groove (84) is formed in a rectangular shape over the entire circumference of the inner member (81).
- the first fluid supply groove (82) has a step-like shape with a gradually decreasing axial width from the partition (85) to the rotation direction of the outer member (80) (indicated by the arrow in FIG. 10). That is, the first fluid supply groove (82) is formed on the axial surface (A1)-(A1) at one end (the end preceding the rotation direction of the outer member 80) at one of the circumferential ends.
- A5) is a stepped surface, and the number of the axial surfaces (A1) to (A5) is the same as the number of the built-in screws (4) (five in this embodiment).
- the first 3 exhaust grooves (83) are for exhausting the compressed air filled in each bridge (70) so that it does not flow into the other bridges (70).
- the fluid supply groove (82) is formed in a shape symmetrical to the fluid supply groove (82), that is, the exhaust groove (83) is formed in a step-like shape in which the axial width is gradually increased in the rotational direction of the outer member (80).
- the other end (the opposite side to the rotation direction of the outer member 80) of the both ends in the circumferential direction is a five-level stepped surface.
- an upstream side (75a) of the first fluid supply path (75) is opened on the bottom surface of the first fluid supply groove (82), and the second fluid supply path (75) is opened.
- the upstream side (76a) of the second fluid supply channel (76) is open at the bottom of the furnished groove (84), and the exhaust groove (83) is similarly open to the atmosphere.
- Exhaust passage (88) is open.
- the upstream ends (al) to (a5) of the five downstream channels (75b) of the first fluid supply channel (75) are open.
- This upstream end (al>-(a5) is shifted by a predetermined pitch in the axial direction to a circumferentially equidistant position, and when the outer member (80) rotates, each upstream end (al>-
- (a5) is arranged at a position where it can pass on the stepped axial surfaces (A1) to (A5). That is, when the outer member (80) rotates, the upstream end (al) is on the axial plane (A1), the upstream end (a2) is on the axial plane (A2), and the upstream end (an) is On the axial plane (An).
- the upstream end of the downstream flow path (76b) of the second fluid supply path (76) is located. (bl) to (b5) open at equal intervals.
- FIGS. 11A and 11B are views of the switching means (77) viewed from opposite sides.
- the illustration of the exhaust groove (83) is omitted for simplification.
- the switching valve is switched to the clamp side, and the outer member (80) is rotated in this state, and as shown in FIGS. 11A and 11B, the downstream side (75) of the first fluid supply passage (75) is rotated.
- the upstream end (al) of the upstream end (a) to (a5) of 75 b) is opposed to the first fluid supply groove (82).
- the compressed air supplied to the first fluid supply groove (82) from the upstream side (75a) of the first fluid supply line (75) communicates with the first fluid supply groove (82) through the upstream end (al). Flows into the downstream flow path (75b), and is supplied to the supply port (73) on the clamp side, and is supplied to the plunger (70).
- the above explanation is for the support head on the rear side (50), the same operation is also performed for the support head on the front side (51>).
- the three grooves (82) to (84) are symmetrical to the rear side.
- the three types of grooves (82) to (84) are provided on the outer surface of the outer member (81), but may be provided on the inner surface of the outer member (80). It is optional to rotate the outer member (80) or the inner member (81>). Contrary to the above description, the outer member (80) is fixed and the inner member (81) is rotated. You may.
- a cell hole (89) is provided around the center bin (60) of the support head (51) on the front side.
- This serration hole (89) is formed so as to be able to fit with the serration rod (2a) provided at the front end of the rotating shaft (2).
- the serration and yoke fitting table fixes the position of the rotating shaft (2) in a predetermined assembling posture without rotating the rotating shaft (2).
- the slide base (52) has, on the upper surface, a stone receiving portion (91) for holding the stone (4).
- the piston receiving portion (91) has a circular arc shape in cross section, and is provided for the same number (five) of the screws (4) to be assembled.
- 91) is the axis (S) of the retained screw (4) and the swash plate. It is arranged at a slight angle to the line (R) parallel to the axis of rotation (0) so that the angle between the line (Q) and the extension (Q) of (3) approaches 90 °. . This is Shuichi (
- the flat surface (7b) of the shoe (7) and the front surface of the swash plate (3) become closer to parallel, so that interference between the two can be avoided and assembly can be performed smoothly. If the inclination angle ⁇ is excessively large, the clamp of the piston (4) cannot be performed smoothly, so that the inclination angle ⁇ is set to an appropriate angle (for example, about 1.2 °). .
- the axis (S) of the piston (4) is parallel to the rotation axis (0).
- the piston (4) which is initially inclined with respect to the rotation axis (0) becomes the inclination angle ⁇ to 0, and the inclination angle ⁇ becomes zero.
- the bearing surface (91a) supporting the piston (4) of the piston receiving portion (91) and the piston should be slightly swiveled.
- the piston (4) and the receiving surface (91a) interfere with each other. Correction cannot be tolerated. Therefore, as shown in FIG. 15, the receiving surface (91a) of the piston receiving portion (91) is larger than the outer S surface of the piston (4). Biston as a curved surface
- the upper self-slide platform (52) is arranged on the traveling base (92) as shown in Fig. 7.
- the traveling base (92) has a ball screw nut ( 93) is fixed, and a ball screw (95) driven by a servomotor (94) is inserted in the ball screw nut (93).
- the slide table (52) can reciprocate in the direction orthogonal to the rotation axis (0).
- the precession servomotor (94) also functions as a drive source for rotating the rotary pedestal (59) of the supporting heads (50), (51). That is, the fixed part below the traveling base (92) At the fixed position, there is a pinion gear (96) mating with the rack (92a) on the lower surface of the traveling base (92). The rotation of the pinion gear (96) is controlled by a toothed belt or the like.
- a drive gear (99) is mounted on the drive gear (59), and a transmission gear (98) is combined with the drive gear (99).
- a pressing member (54) is provided immediately before the meeting point between the moving path of the slide table (52) and the peripheral edge of the swash plate (3).
- the pressing member (54) is formed in a shape similar to a prism bent in a V-shape on a horizontal plane.
- the portion on the rotation axis (2) side of the bent portion (54a: hereinafter referred to as the "leading portion" is formed parallel to the extension (Q) of the swash plate (3) held in the assembled posture.
- the end of the swash plate (3) is directly under the swash plate (3) so as to follow the inclination direction of the periphery of the swash plate (3).
- a portion (54b: hereinafter, referred to as a "base") on the side away from the rotation axis (2) is formed parallel to the moving direction of the slide table (52).
- the lower surface of the base (54b) is inclined downward toward the rotation axis (2).
- the lower surface (54c) on the head (54a) side is formed in a rectangular shape having substantially the same width as the swash plate (3). You.
- the lower surface (54c> on the base (5b) side is formed in a triangular shape having the end on the side remote from the rotation axis (2) as a vertex, and the lower surface (54c) is formed.
- the end of c) is an angled point (54d), and the pressing member (54) is conveyed by the slide table (52) with the point (54d).
- the side surfaces (54el) and (54e2) of the pressing member (54) are used to align the pair of shoes (7) with the periphery of the swash plate (3), and to attach the piston (4). It has both a function as a guiding means for guiding and a function as a pressing means for standing up a shuffled (7) laid on a notch (4a) in a lying state. .
- the side surface (54e2) of the head (54a) serves as a guide means, and the side surface (54el) of the base (54b) side. ) Is the pressing means.
- a pair of best guides (53) is disposed on the slide table (52) side of the press member (54) so as to face the same.
- the piston (4) is inserted so that the pointed end (54d) of the pressing member (54) can enter between the pair of shoes (7).
- the piston (4) comes into contact with both end surfaces of the piston (4) until the piston (4) reaches a position immediately before the bent portion of the pressing member (54).
- the rotary shaft (2>), the piston (4), and the cylinders (5) (5) ( 6) is placed, and the pallet (101) is conveyed by a conveyor (102) and stopped at a specified position, at which time the notch of the piston (4) is cut off.
- a pair of showers are placed in advance in a lying state.
- the two cylinders (5) and (6) are gripped by a chuck device (not shown), and transported between the two supporting heads (50) and (51).
- the heads (50) and (51) are supported by the cylinder support (69) provided on the front surface.
- the cylinder (5) (6) boss (5b) (6b) is attached to the outside (71) of the two clamp bins (61b) (61e) in FIG. ) Insert.
- the outer frame (71) and the bosses (5b) and (6b) are closely fitted, and the cylinder (5) (5) (5) 6) is supported.
- other clamp bins (61a) (61c) (61d) are inserted into the remaining bosses (5b, & b).
- the rotating shaft (2) on the pallet (101) is gripped by a chuck device (not shown) and transported between the two supporting heads (50) and (51).
- the air cylinder (57: see FIG. 9) of the heads (50) and (51) is activated, and the heads (50) and (51) are brought close to each other.
- the shaft support portions (65) of both heads (50) and (51) are inserted into both shaft ends to support the rotating shaft (2).
- the front shaft support (65: left side in the drawing) into the shaft as shown in Fig. 14, arrange it on the base end of the center bin (60).
- the holding mechanism (105) includes a contact rod (107) attached to the chuck pawl (106) of the chuck device, and a contact part (109) that contacts the contact rod (107). And a regulating member (111) that comes into contact with the swash plate (3) at two points perpendicular to the paper surface.
- the contact rod (107) is separated from the contact part (103). Therefore, the cam (110) is urged in the direction of arrow 1 by a spring (not shown), and as a result, the regulating member (111) is pressed against the swash plate (3), and Rotation is regulated. Therefore, the rotation axis
- the contact rod (107) presses the contact part (109) of the cam U10) to move the cam (110) with the arrow as shown by the two-point vertical line.
- the regulating member (111) attached in the direction of arrow 2 by a panel (not shown) is separated from the swash plate (3), and the rotating shaft (2) is freed.
- the piston (4) on the pallet (101) is gripped by a chuck device (not shown). This is a slide table (
- the first feeding line (75) is switched by the switching means (77).
- the downstream flow path (75b) and the upstream flow path (75a) have the positional relationship shown in FIGS. 11A and 11B, and the lowermost clamp bin (& l a) in FIG. Protrudes and supports the piston (4) from both sides with the piston support (67).
- the rotary base (59) rotates by a predetermined pitch (72 °) in synchronization with the slide movement of the slide base (52).
- the piston (4) clamped in the previous step moves in the circumferential direction while sliding on the swash plate (3) to reach the position (1) in Fig. 15.
- the switching means (77) is in the state shown in FIGS. 12A and 12B, and the next stage piston (4) has the next stage clamp immediately below the axis (0) of the rotary shaft (2).
- the piston assembly (P) and the sub-assembly (A) can be automatically and extremely quickly and reliably assembled.
- productivity can be improved and manufacturing costs can be reduced.
- the rack (92a), the vinyl gear (96) and the belt (97) are used as means for synchronously driving the slide base (52) and the rotary base (59). ) Etc., but it is also possible to use a link mechanism to mechanically synchronize them, or to use independent servo motors as drive sources for both. Alternatively, both servomotors may be electrically controlled to synchronize them.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Automatic Assembly (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Reciprocating Pumps (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02140695A JP3579481B2 (ja) | 1995-02-09 | 1995-02-09 | ピストン組立体の組立装置 |
PCT/JP1996/002243 WO1998005865A1 (fr) | 1995-02-09 | 1996-08-07 | Procede et dispositif de fabrication d'un ensemble piston |
US09/029,077 US6038767A (en) | 1996-08-07 | 1996-08-07 | Method and apparatus for assembling piston assembly |
KR10-1998-0702567A KR100402410B1 (ko) | 1996-08-07 | 1996-08-07 | 피스톤조립체의조립방법및조립장치 |
CA002234056A CA2234056C (en) | 1996-08-07 | 1996-08-07 | Method and device for fabricating piston assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02140695A JP3579481B2 (ja) | 1995-02-09 | 1995-02-09 | ピストン組立体の組立装置 |
PCT/JP1996/002243 WO1998005865A1 (fr) | 1995-02-09 | 1996-08-07 | Procede et dispositif de fabrication d'un ensemble piston |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998005865A1 true WO1998005865A1 (fr) | 1998-02-12 |
Family
ID=26358462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/002243 WO1998005865A1 (fr) | 1995-02-09 | 1996-08-07 | Procede et dispositif de fabrication d'un ensemble piston |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3579481B2 (ja) |
WO (1) | WO1998005865A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1061248A3 (en) * | 1999-06-16 | 2002-01-02 | Kabushiki Kaisha Toyota Jidoshokki | Piston installing method and positioning jig |
WO2005073557A1 (en) * | 2004-01-29 | 2005-08-11 | Halla Climate Control Corporation | Apparatus and method for mounting shoes on a piston for a swash plate type compressor |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100869728B1 (ko) * | 2002-07-10 | 2008-11-21 | 한라공조주식회사 | 사판식 압축기용 피스톤에 슈를 장착하는 장치 및 방법 |
KR100858513B1 (ko) * | 2003-02-06 | 2008-09-12 | 한라공조주식회사 | 사판식 압축기의 피스톤과 사판의 조립장치 |
CA2623811C (en) * | 2005-10-04 | 2012-12-04 | Sanyo Machine Works, Ltd. | Method and device for assembling swash plate-type fluid machine |
JP4610527B2 (ja) * | 2006-07-06 | 2011-01-12 | サンデン株式会社 | 斜板式圧縮機の組立方法および装置 |
KR100770606B1 (ko) * | 2007-03-28 | 2007-10-26 | (주)두선 | 사판식 압축기용 중공피스톤의 조립장치 및 조립방법 |
CN104108087B (zh) * | 2014-06-24 | 2016-05-25 | 江苏琪豪科技有限公司 | 整经盘盘头穿轴装置 |
KR101688000B1 (ko) * | 2016-02-16 | 2016-12-20 | 주식회사 휴텍엔지니어링 | 슈 공급장치 |
KR101669935B1 (ko) * | 2016-02-25 | 2016-10-27 | 주식회사 휴텍엔지니어링 | 슈 분배장치 |
CN112372575A (zh) * | 2020-11-12 | 2021-02-19 | 中国第一汽车股份有限公司 | 一种汽车发动机活塞销卡簧安装装置及安装方法 |
CN113953809B (zh) * | 2021-11-24 | 2024-03-15 | 江苏科技大学 | 一种用于活塞挡圈装配的柔性自动化装备的定位机构 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05321831A (ja) * | 1992-05-21 | 1993-12-07 | Toyota Autom Loom Works Ltd | 斜板式流体機械のサブアッシー組付け装置 |
-
1995
- 1995-02-09 JP JP02140695A patent/JP3579481B2/ja not_active Expired - Lifetime
-
1996
- 1996-08-07 WO PCT/JP1996/002243 patent/WO1998005865A1/ja active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05321831A (ja) * | 1992-05-21 | 1993-12-07 | Toyota Autom Loom Works Ltd | 斜板式流体機械のサブアッシー組付け装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1061248A3 (en) * | 1999-06-16 | 2002-01-02 | Kabushiki Kaisha Toyota Jidoshokki | Piston installing method and positioning jig |
WO2005073557A1 (en) * | 2004-01-29 | 2005-08-11 | Halla Climate Control Corporation | Apparatus and method for mounting shoes on a piston for a swash plate type compressor |
Also Published As
Publication number | Publication date |
---|---|
JPH08219012A (ja) | 1996-08-27 |
JP3579481B2 (ja) | 2004-10-20 |
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