Automatic assembly equipment for pressure shell shock absorber

Abstract

The utility model relates to automatic assembly equipment for a pressure shell shock absorber. The automatic assembly equipment comprises a grabbing module, a grabbing position and a press-fitting position, the grabbing module is connected to the driving mechanism, can move in the horizontal direction and the vertical direction and is used for grabbing the shock absorber from the grabbing position and moving the shock absorber to the press-fitting position to be assembled with the press shell. The grabbing module structurally comprises a three-jaw air cylinder, a horizontal supporting base is connected to the three-jaw air cylinder, a top shell is arranged at the bottom of the three-jaw air cylinder, a bottom shell is arranged on the lower portion of the top shell, an air cavity used for ventilation is formed between the bottom shell and the top shell, an inner concave arc face is arranged on the circumference of the bottom shell, and a plurality of air holes communicated with the air cavity are formed in the bottom shell. The inner concave cambered surface is used for being attached to an outer convex cambered surface on the inner side of the guide part of the shock absorber, an inner cavity formed between the shock absorber and the pressing shell is sealed from the top, and the inner cavity is vacuumized through the air hole; a sealing part is arranged on the press-fitting position and used for sealing the inner cavity from the bottom. According to the utility model, the problem that the O-shaped ring of the shock absorber is difficult to assemble in place is solved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical parts assembly technical field especially a kind of automatic assembly equipment of shell damper. BACKGROUND

[0002] The shell of turbocharger needs to be assembled with damper, and an inner cavity is formed after the damper is assembled with the shell. An O-ring is usually arranged on the damper, which is used to seal the gap between the outer wall of the damper and the inner wall of the outer ring of the shell air inlet. Since the O-ring is oversized, there is a large gap between the O-ring and the damper body, so when the damper is assembled with the shell, the O-ring cannot be kept concentric with the shell. During the process of manually pressing the damper into the shell exhaust port, the manual pressing force is uneven, the O-ring is unevenly stressed, and it is easy to cause one side to be stressed and the other side to be squeezed out of the shell, resulting in misassembly. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides an automatic assembly equipment of shell damper, which solves the problem that the O-ring of the damper is not easy to assemble in place and improves the production efficiency.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] An automatic assembly equipment of shell damper includes a grabbing module, a grabbing position and a pressing position.

[0006] The grabbing module is connected to a driving mechanism and can move in horizontal and vertical directions, and is used to grab the damper from the grabbing position and move it to the pressing position for assembly with the shell.

[0007] The structure of the grabbing module includes a three-jaw cylinder, which is provided with three clamps that can move radially, and is used to cooperate with the circumferential side of the damper to perform the grabbing action.

[0008] A horizontal support seat is connected to the cylinder body of the three-jaw cylinder, and a top shell is arranged at the bottom of the horizontal support seat. A bottom shell is arranged at the lower part of the top shell, and an air cavity for ventilation is formed between the top shell and the bottom shell. A concave arc surface is arranged around the circumference of the bottom shell, and a plurality of air holes are arranged on the concave arc surface and communicate with the air cavity. The concave arc surface is used to match the convex arc surface on the inner side of the guide part of the damper, to close the inner cavity formed between the damper and the shell from the top, and to vacuum the inner cavity through the air holes.

[0009] A sealing part is arranged on the pressing position to close the inner cavity from the bottom.

[0010] Further technical scheme is as follows:

[0011] The horizontal support seat is provided with a fault-tolerant mechanism, which comprises at least two positioning columns distributed along the circumference, and the head of the positioning column is used for extending into the ear hole of the shock absorber during assembly.

[0012] The head of the positioning column is provided with a limiting ring on the upper side, and a limiting spring is arranged on the outside of the positioning column, and the two ends of the limiting spring are respectively in abutment with the limiting ring and the horizontal support seat.

[0013] The horizontal support seat and the top shell are provided with a vertical flow channel in communication, one end of the vertical flow channel is connected with an external vacuumizing mechanism through a horizontal flow channel arranged in the horizontal support seat, and the other end is in communication with the air cavity.

[0014] The structure of the grabbing module further comprises a connecting plate, a mounting plate and a connecting column, the mounting plate is used for mounting the cylinder body of the three-jaw cylinder, and the mounting plate and the horizontal support seat are connected through the connecting column;

[0015] The connecting plate is arranged above the mounting plate and is used for being connected with the driving mechanism.

[0016] The structure of the pressing position comprises a base, a first central positioning seat is arranged in the middle of the base, and a circumferential positioning seat is arranged on the outer ring of the base;

[0017] The sealing part is a lower sealing gasket, which is arranged on the base and located between the first central positioning seat and the circumferential positioning seat.

[0018] The top shell is internally provided with an upper step surface located outside the air cavity and a circumferential inner side surface vertical to the upper step surface;

[0019] The circumferential outer side of the bottom shell is provided with a flange, an upper sealing gasket is arranged between the top surface of the flange and the upper step surface, and the bottom surface of the upper sealing gasket and the circumferential inner side surface and the inner concave curved surface form a space for accommodating the guiding part of the shock absorber.

[0020] The structure of the grabbing position comprises a lower positioning seat, axial positioning grooves are uniformly distributed on the lower positioning seat in the circumferential direction, and an inductor is arranged in the axial positioning groove;

[0021] A second central positioning seat is arranged on the inner side center of the lower positioning seat;

[0022] A radial positioning block is arranged on the outer side of the lower positioning seat, and the inner side surface of the radial positioning block is perpendicular to the groove bottom surface of the axial positioning groove, so that the ear part of the shock absorber is radially positioned.

[0023] The air holes are uniformly distributed in the circumferential direction.

[0024] The chuck is in L shape.

[0025] The beneficial effects of the utility model are as follows:

[0026] The utility model discloses can automatically grab shock absorber, guarantee the horizontal state of shock absorber in moving, pressing process, make shock absorber enter the guiding area of shell pre -pressing, and O type ring can keep level, and basically align the center of shell. The utility model utilizes the pre -pressing of grabbing module to shock absorber first, then through vacuumizing, create the internal and external pressure difference of inner chamber, realize automatic further pressing by utilizing pressure difference, and guarantee the balanced force of O type ring simultaneously. The production efficiency is improved, and the problem of manual assembly is not in place is solved.

[0027] Other features and advantages of the utility model will be set forth in the subsequent description, or be understood through the implementation of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the whole structure schematic diagram of the utility model.

[0029] Figure 2 It is the structure schematic diagram of the grabbing module of the utility model.

[0030] Figure 3 It is Figure 2 The top view of the utility model.

[0031] Figure 4 It is Figure 3 The A-A cross section view of the utility model.

[0032] Figure 5 It is the structure schematic diagram of the shock absorber of the utility model.

[0033] Figure 6 It is Figure 1 The top view of the structure of pressing position in the utility model.

[0034] Figure 7 It is Figure 6 The B-B cross section view in the utility model.

[0035] Figure 8 It is the exploded structure schematic diagram of the top shell and bottom shell of the utility model.

[0036] In the figure: 1, three claw cylinder; 2, top cover; 3, chuck; 4, positioning column; 5, bottom cover; 6, air hole; 7, connecting plate; 8, horizontal support seat; 9, mounting plate; 10, lower positioning seat; 11, second center positioning seat; 12, radial positioning block; 13, inductor; 14, compression shell; 15, upper sealing ring; 16, shock absorber; 17, O-ring; 18, circumferential positioning seat; 19, base; 20, first center positioning seat; 21, lower sealing gasket; 22, inner cavity; 23, air cavity; 24, limiting spring; 25, vertical flow channel; 26, horizontal flow channel; 27, connecting column; 28, compression shell compression mechanism; 29, upper sealing gasket; 41, limiting ring; 51, inner concave curved surface; 100, grabbing module; 161, outer convex curved surface; 162, ear hole; 201, circumferential inner side; 202, upper step surface; 501, flange. DETAILED DESCRIPTION

[0037] The specific embodiments of the utility model are described below in combination with the drawings.

[0038] Referring to Figures 1 to 7 , the compression shell shock absorber automatic assembly equipment of the embodiment comprises a grabbing module 100, a grabbing position and a pressing position;

[0039] The grabbing module 100 is connected to a driving mechanism and can move in the horizontal and vertical directions, and is used for grabbing the shock absorber 16 from the grabbing position and moving it to the pressing position to assemble it with the compression shell 14;

[0040] The structure of the grabbing module 100 comprises a three-claw cylinder 1, which is provided with three chucks 3 that can move in the radial direction and are used for cooperating with the circumferential side of the shock absorber 16 to perform a grabbing action;

[0041] The cylinder body of the three-claw cylinder 1 is connected with a horizontal support seat 8, the bottom of the horizontal support seat 8 is provided with a top cover 2, the lower part of the top cover 2 is provided with a bottom cover 5, and the top cover 2 and the bottom cover 5 form an air cavity 23 for air exchange, and the circumferential one of the bottom cover 5 is provided with an inner concave curved surface 51, and the inner concave curved surface 51 is provided with a plurality of air holes 6 that are in communication with the air cavity 23; the inner concave curved surface 51 is used for abutting with the outer convex curved surface 161 of the inner side of the guide part of the shock absorber 16, the inner cavity 22 formed between the shock absorber 16 and the compression shell 14 is closed from the top, and the inner cavity 22 is vacuumized through the air holes 6;

[0042] The pressing position is provided with a sealing part for closing the inner cavity 22 from the bottom, wherein the inner cavity 22 is as shown in the area of the thick solid line in Figure 7 .

[0043] As Figure 2 , Figure 4 and Figure 5As shown, in a preferred embodiment, the horizontal support 8 is provided with a fault-tolerant mechanism. The fault-tolerant mechanism includes at least two circumferentially distributed positioning posts 4, the heads of which are used to extend into the ear holes 162 of the shock absorber 16 during assembly.

[0044] In a specific implementation, the horizontal support base 8 is fixedly connected to the body of the three-jaw cylinder 1, and the horizontal support base 8 is provided with a clearance part to avoid the clamp 3.

[0045] Specifically, the upper and lower parts of the shock absorber 16 body are respectively fitted with an upper sealing ring 15 and an O-ring 17. Figure 7 As can be seen, the O-ring 17 is located in the middle of the inner cavity 22 and is used to seal between the outer wall of the shock absorber and the inner wall of the outer ring of the pressure shell air inlet.

[0046] In a preferred embodiment, a limiting ring 41 is provided on the upper side of the head of the positioning post 4, and a limiting spring 24 is provided on the outer sleeve of the positioning post 4, with its two ends abutting against the limiting ring 41 and the horizontal support seat 8 respectively.

[0047] In a specific embodiment, the horizontal support base 8 and the top shell 2 are provided with a vertical straight channel 25, one end of which is connected to an external vacuuming mechanism through a horizontal flow channel 26 provided in the horizontal support base 8, and the other end is connected to the air chamber 23.

[0048] In a specific implementation, the gripping module 100 also includes a connecting plate 7, a mounting plate 9, and a connecting column 27. The mounting plate 9 is used to mount the cylinder body of the three-jaw cylinder 1, and the mounting plate 9 is connected to the horizontal support seat 8 through the connecting column 27. The connecting plate 7 is located above the mounting plate 9 and is used to connect with the drive mechanism.

[0049] like Figure 7 As shown in the figure, in a specific embodiment, the structure of the press-fitting position includes a base 19, a first central positioning seat 20 is provided in the middle of the base 19, and a circumferential positioning seat 18 is provided on its outer ring; the sealing part is a lower sealing gasket 21, which is provided on the base 19 and located between the first central positioning seat 20 and the circumferential positioning seat 18.

[0050] like Figure 1 As shown in the figure, in a specific embodiment, the structure of the gripping position includes a lower positioning seat 10, on which axial positioning grooves are evenly distributed along the circumferential direction, and a sensor 13 is provided in the axial positioning groove; a second center positioning seat 11 is provided at the inner center of the lower positioning seat 10; a radial positioning block 12 is provided on the outer side of the lower positioning seat 10, and its inner surface is perpendicular to the bottom surface of the axial positioning groove, which is used to radially position the ear of the shock absorber 16.

[0051] like Figure 2 As shown in the figure, in a specific embodiment, the pores 6 are evenly distributed along the circumferential direction.

[0052] As a specific embodiment, the chuck 3 is L-shaped. The three-jaw cylinder 1 can be of HFCY50 model.

[0053] As a specific embodiment, the driving mechanism of the grabbing module 100 adopts driving devices such as a moving module and a servo motor.

[0054] As a preferred embodiment, referring to Figure 8 , the top shell 2 is internally provided with an upper step surface 202 located outside the air cavity 23 and a circumferential inner side surface 201 perpendicular thereto; the circumferential outer side of the bottom shell 5 is provided with a flange 501, and the top surface of the flange 501 and the upper step surface 202 are provided with an upper sealing gasket 29, and the bottom surface of the upper sealing gasket 29 and the circumferential inner side surface 201 and the inner concave curved surface 51 form a space for accommodating the guide part of the damper 16.

[0055] As a specific embodiment, the top shell 2 and the bottom shell 5 are connected by fasteners.

[0056] The working method of the embodiment is as follows:

[0057] (1) The damper 16 to be assembled is placed in the grabbing position, and the press shell 14 to be assembled is placed in the press-fitting position and fixed and pressed; the grabbing module 100 moves to the grabbing position, and the damper 16 is grabbed by the chuck 3, and at the same time, the inner concave curved surface 51 is attached to the outer convex curved surface 161 on the inner side of the guide part of the damper 16 to close the inner cavity 22 formed between the damper 16 and the press shell 14 from the top. Then the grabbing module moves to the press-fitting position in the horizontal direction, and then moves downward in the vertical direction, so that the O-ring 17 of the damper 16 enters the guide area of the mouth of the press shell 14, and the damper 16 is pre-pressed.

[0058] (2) Start the external vacuum pumping mechanism to pump the inner cavity 22 through the air hole 6, and the pressure of the inner cavity 22 decreases, so that the O-ring 17 on the damper 16 is squeezed and shrinks by the external air. Since the pressure of the O-ring 17 is balanced, it can enter the centered state. At the same time, the damper 16 is further pressed into the press shell 14 by using the pressure difference between the inside and outside of the inner cavity. During the pressing process, the O-ring 17 remains centered and cannot be squeezed out of the press shell 14, ensuring that the damper 16 is assembled in place.

[0059] Among them, on the grabbing position, the hole of the damper 16 is placed on the second centering seat 11 and positioned by it, the bottom surface of the ear part of the damper 16 is limited by the axial positioning groove, and the side surface of the ear part of the damper 16 is limited by the radial positioning block 12. The positioning column 4 on the grabbing module 100 passes through the ear hole 162 of the ear part of the damper 16 and is sensed by the inductor 13 to realize axial alignment, ensuring that the damper is grabbed by the grabbing module 100 in the correct posture.

[0060] The L-shaped clamp 3 of the grabbing module 100 holds the damper 16 to prevent the shell from falling off during the transfer and ensure that the damper remains horizontal. The guide part of the damper 16 and the upper sealing ring 15 sleeved outside the guide part extend into the space surrounded by the bottom surface and the inner circumferential surface 201 of the upper sealing gasket 29 and the inner concave curved surface 51. The upper sealing gasket 29 and the upper sealing ring 15 can further improve the sealing performance of the inner cavity 22, thereby ensuring the vacuum degree formed by the air extraction.

[0061] The grabbing module 100 is driven by the driving mechanism to move horizontally from the grabbing position to the pressing position. The moving distance can be controlled according to the actual distance between the two positions, so as to ensure that the damper is concentric with the shell.

[0062] The air outlet pipe shell part of the shell 14 in the pressing position is placed on the circumferential positioning seat 18, and the inner ring of the center air inlet of the shell 14 is positioned by the first center positioning seat 20. At the same time, the lower sealing gasket 21 ensures the sealing of the bottom of the inner cavity 22. The structure of the pressing position further includes a shell pressing mechanism 28 as shown in the drawing, which is used to press the shell 14 to avoid movement of the shell during assembly. Figure 1

[0063] It can be understood by those skilled in the art that the above description is only a preferred embodiment of the present application and is not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.​

Claims

1. An automatic assembly apparatus for a pressed shell damper, characterized by, The device comprises a grabbing module (100), a grabbing position and a pressing position. The grabbing module (100) is connected to a driving mechanism and can move in horizontal and vertical directions to grab the shock absorber (16) from the grabbing position and move it to the pressing position to assemble it with the pressing shell (14). The structure of the grabbing module (100) comprises a three-jaw cylinder (1) provided with three clamps (3) capable of moving in the radial direction to cooperate with the circumferential side of the shock absorber (16) to perform the grabbing action. The cylinder body of the three-jaw cylinder (1) is connected with a horizontal support seat (8), the bottom of which is provided with a top shell (2), and the lower part of the top shell (2) is provided with a bottom shell (5), between which a gas cavity (23) for ventilation is formed, and the circumferential surface of the bottom shell (5) is provided with a concave arc surface (51) provided with a plurality of air holes (6) in communication with the gas cavity (23); the concave arc surface (51) is used to fit with the convex arc surface (161) on the inner side of the guide part of the shock absorber (16) to close the inner cavity (22) formed between the shock absorber (16) and the pressing shell (14) from the top, and the inner cavity (22) is vacuumized through the air holes (6). The pressing position is provided with a sealing part for closing the inner cavity (22) from the bottom.

2. The automatic can end damper assembly apparatus of claim 1, wherein, The horizontal support seat (8) is provided with a fault-tolerant mechanism comprising at least two positioning columns (4) distributed along the circumference, and the head of the positioning column (4) is used to extend into the ear hole (162) of the shock absorber (16) during assembly.

3. The automatic can end damper assembly apparatus of claim 2, wherein, The head of the positioning column (4) is provided with a limiting ring (41), and the positioning column (4) is provided with a limiting spring (24) outside the limiting ring (41), and the two ends of the limiting spring (24) are respectively in abutment with the limiting ring (41) and the horizontal support seat (8).

4. The can reducer automatic assembly apparatus according to claim 1, wherein The horizontal support seat (8) and the top shell (2) are provided with a vertical flow channel (25) in communication, one end of which is connected with an external vacuumizing mechanism through a horizontal flow channel (26) provided in the horizontal support seat (8), and the other end is in communication with the gas cavity (23).

5. The can reducer automatic assembly apparatus according to claim 1, wherein The structure of the grabbing module (100) further comprises a connecting plate (7), a mounting plate (9) and a connecting column (27), the mounting plate (9) is used to mount the cylinder body of the three-jaw cylinder (1), and the mounting plate (9) and the horizontal support seat (8) are connected through the connecting column (27); The connecting plate (7) is arranged above the mounting plate (9) and is used to be connected with the driving mechanism.

6. The can reducer automatic assembly apparatus according to claim 1, wherein The structure of the pressing position comprises a base (19), and the middle part of the base (19) is provided with a first central positioning seat (20), and the outer circle of the base (19) is provided with a circumferential positioning seat (18); The sealing part is a lower sealing gasket (21) arranged on the base (19) and located between the first central positioning seat (20) and the circumferential positioning seat (18).

7. The can reducer automatic assembly apparatus according to claim 1, wherein The inside of the top shell (2) is provided with an upper step surface (202) located outside the gas cavity (23) and a circumferential inner side surface (201) perpendicular to the upper step surface (202). The outer side of the circumference of the bottom shell (5) is provided with a flange (501), and an upper sealing gasket (29) is arranged between the top surface of the flange (501) and the upper step surface (202), and the bottom surface of the upper sealing gasket (29) and the inner circumferential surface (201) and the inner concave arc surface (51) form a space for accommodating the guide part of the shock absorber (16).

8. The can reducer automatic assembly apparatus according to claim 1, wherein The structure of the grabbing position comprises a lower positioning seat (10) which is uniformly provided with axial positioning grooves in the circumferential direction, and an inductor (13) is arranged in the axial positioning groove. A second center positioning seat (11) is arranged at the inner side center of the lower positioning seat (10). A radial positioning block (12) is arranged at the outer side of the lower positioning seat (10), and the inner side surface of the radial positioning block (12) is perpendicular to the groove bottom surface of the axial positioning groove, and is used for radially positioning the ear part of the shock absorber (16).

9. The can reducer automatic assembly apparatus according to claim 1, wherein The air holes (6) are uniformly distributed in the circumferential direction.

10. The can reducer automatic assembly apparatus according to claim 1, wherein The chuck (3) is L-shaped.

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