Sealing ring installation device and method suitable for deep holes of workpieces

Abstract

The present invention discloses a sealing ring installation device and method suitable for deep holes in workpieces, including a frame, a sliding channel is provided on the frame, a bearing assembly is provided on one side of the sliding channel, a receiving groove is provided on the other side of the sliding channel, and an upper assembly is provided directly below the receiving groove; a driving shaft is also slidably provided on the frame, a driving groove is provided on the driving shaft, and a tongue is provided on the bottom pivot of the driving shaft; a driving assembly is slidably provided on the top of the driving shaft, and the driving assembly can push the middle and top of the sealing ring into the deep hole in sequence. The beneficial effects of the present invention are mainly reflected in: the tongue exerts a force on the sealing ring, so that the sealing ring is separated from the driving groove and enters the deep hole, and the sealing ring can quickly rebound and reset under the action of the force, and the rebound position is stable and reliable, which greatly improves the accuracy. At the same time, the high degree of automation and fully automated operation can greatly reduce the work intensity, improve work efficiency, and have a wide applicability.

Description

Technical Field

[0001] The present invention relates to the technical field of sealing assembly, and in particular to a sealing ring installation device and method suitable for a deep hole of a workpiece. Background Art

[0002] During the assembly of automotive parts, some deep holes in valve bodies need to be sealed with multiple sealing rings installed at intervals. Since the deep holes in valve bodies are generally small and deep, it is inconvenient to install them manually, and the sealing rings are easily damaged during the installation process.

[0003] In other fields, the installation of sealing rings in deep holes is also inconvenient, time-consuming and labor-intensive, and the sealing rings are easily damaged.

[0004] For example, the authorization announcement number CN214643284U discloses a sealing ring assembly device, which includes an outer sleeve and a pull rod, and the outer sleeve extends along a first direction. The pull rod extends along the first direction and can be reciprocatedly sleeved in the outer sleeve, and the two ends of the pull rod extend out of the outer sleeve respectively, and one end is an operating part, and the other end is a main body, and the main body has a receiving groove for accommodating the sealing ring. First, the sealing ring is sleeved on the main body of the pull rod in a horizontal position, and the sealing ring is located in the receiving groove. Pulling the operating part makes the sealing ring at least partially retract into the inner cavity of the outer sleeve, and then the sealing ring is sent to the ring groove position of the deep hole, and the pull rod is pushed in the opposite direction, so that the sealing ring withdraws from the outer sleeve to enter the ring groove, and the installation of the sealing ring in the deep hole is completed. However, the device uses the sealing ring to enter the deep hole under its own restoring force, but the sealing ring cannot ensure timely rebound without the action of external force, and it cannot ensure that the rebound just enters the deep hole when rebounding, which affects the yield rate. In addition, the use of manual operation reduces the force, the work intensity is large, and it has great limitations. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a sealing ring installation device and method suitable for a deep hole of a workpiece.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] A sealing ring installation device suitable for a deep hole in a workpiece, comprising a frame, the frame is provided with a sliding channel, one side of the sliding channel is provided with a carrying component for carrying the workpiece, the diameter of the deep hole on the workpiece is equivalent to the inner diameter of the sliding channel; the other side of the sliding channel is provided with a receiving groove for accommodating the sealing ring, and a lifting component for lifting the bottom of the sealing ring is provided directly below the receiving groove; a driving shaft is also slidably provided on the frame, the central axis of the driving shaft is coaxial with the sliding channel and the central axis of the deep hole, the driving shaft is provided with a driving groove for accommodating the sealing ring, and the bottom of the driving shaft is pivotally provided with a tongue, which can push the bottom of the sealing ring located in the driving groove into the deep hole; a driving component is slidably provided on the top of the driving shaft, and the driving component can push the middle and top of the sealing ring into the deep hole in turn.

[0008] Preferably, the driving assembly at least comprises a driving sleeve slidably arranged on the driving shaft, waist-shaped holes are provided on both sides of the driving sleeve, a driving bar is slidably arranged in each waist-shaped hole, one end of the driving bar extends to the outside of the driving sleeve, and the other end is fixedly connected to the end side of the return spring fixedly arranged on the driving sleeve. ;

[0009] Preferably, the frame is provided with a first cylinder and a second cylinder which are arranged in an upper and lower manner, the first cylinder and the second cylinder are both arranged on the end side of the driving shaft, the first cylinder is drivingly connected to the driving shaft through a first coupling, and the second cylinder is drivingly connected to the driving sleeve through a second coupling.

[0010] Preferably, a lifting cylinder is fixedly provided on the frame, and a lifting block is fixedly provided on the cylinder shaft of the lifting cylinder, and the lifting block can abut against the vicinity of the front end of the tilting tongue.

[0011] Preferably, a position sensor is also provided on the frame, and the position sensor is located directly below the tilting tongue to detect the position of the tilting tongue.

[0012] Preferably, the upper lift assembly comprises an upper lift cylinder fixed on the frame, an upper lift block is fixed on the upper lift cylinder, an arc groove is formed on the upper surface of the upper lift block, and the arc groove is matched with the outer contour of the sealing ring.

[0013] Preferably, the supporting assembly at least includes a slide rail fixedly mounted on the frame, the slide rail is provided with a slider matched therewith, the slider is fixedly mounted with a supporting plate, and the workpiece is arranged on the supporting plate; a sliding cylinder is fixedly mounted on the frame, the movement direction of the piston on the sliding cylinder is parallel to the central axis of the slide rail, and the piston is fixedly connected to the supporting plate.

[0014] Preferably, the supporting assembly also includes a supporting block fixed on the supporting plate, a pressing strip is pivotally provided on the supporting block, and a pressing head is fixed on the end side of the pressing block; a pushing strip is also pivotally provided on the supporting block, a connecting pin is pivotally provided in the middle part of the pushing strip, and the connecting pin is also pivotally provided on the pressing strip.

[0015] Preferably, a carrying frame is pivotally provided on the frame, the carrying assembly, the upper assembly, the driving shaft, the tilting tongue and the driving assembly are integrated on the carrying frame, a driving motor is fixedly provided on the frame, a driving gear is fixedly provided on the motor shaft of the driving motor, a driven gear is provided on the carrying frame, and the driven gear is meshed with the driving gear.

[0016] A method for installing a sealing ring suitable for a deep hole of a workpiece comprises the following steps:

[0017] S1. Place the workpiece on the carrier plate, pull the push bar to rotate so that the pressing bar pivots on the carrier block, and the pressing head presses on the workpiece to limit the workpiece;

[0018] S2, the sliding cylinder is started, and its piston drives the bearing plate to slide on the slide rail until it moves to the predetermined position;

[0019] S3, placing the sealing ring into the receiving groove, and the upper surface of the upper top block can limit the bottom of the sealing ring;

[0020] S4, the first cylinder is started, and the driving shaft is driven to move forward in the sliding channel through the first coupling until the driving shaft passes through the sealing ring and the driving groove is located directly above the sealing ring;

[0021] S5, the upper cylinder is started, and the bottom of the sealing ring is driven to move upward through the upper surface of the upper block until the bottom of the sealing ring is placed inside the sealing ring;

[0022] S6, the first cylinder continues to start, driving the driving shaft to continue to move forward, thereby driving the bottom of the sealing ring to move forward synchronously, the sealing ring will deform during the movement, and the bottom, middle and top of the sealing ring will tilt in sequence until the bottom of the sealing ring moves to the deep hole;

[0023] S7, the lifting cylinder is started, and one end of the lifting tongue is driven to move upward through the lifting block, and the other end of the lifting tongue moves downward to press the bottom of the sealing ring into the deep hole;

[0024] S8, the second cylinder is started, and the driving sleeve is driven to move forward through the second coupling until the driving bar pushes the middle of the sealing ring into the deep hole; the driving sleeve is continued to be driven to move forward until the end side of the driving sleeve pushes the top of the sealing ring into the deep hole.

[0025] The beneficial effects of the present invention are mainly reflected in:

[0026] 1. The design is exquisite. The tongue exerts force on the sealing ring, so that the sealing ring is separated from the driving groove and enters the deep hole. The sealing ring can quickly rebound and reset under the action of this force. This operation method is simple and convenient, the rebound position is stable and reliable, and the accuracy is greatly improved. At the same time, the degree of automation is high, and the fully automated operation can greatly reduce the work intensity, improve work efficiency, and has a wide range of applicability.

[0027] 2. The drive bar is integrated on the drive sleeve and driven by a drive source, achieving high integration, making the structure more compact, reducing the occupied space, and reducing costs. At the same time, the drive bar first pushes the middle of the sealing ring, and then uses the drive sleeve to push the top of the sealing ring to make the sealing ring enter the deep hole. Pushing the sealing ring in sections can avoid the pressure loss or deformation of the sealing ring and improve the yield rate.

[0028] 3. The setting of the upper top block can not only support and limit the workpiece, but also lift and move the sealing ring upward. The structure is simple, ingenious, easy to operate, and easy to disassemble, replace and repair, which greatly improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The technical solution of the present invention is further described below in conjunction with the accompanying drawings:

[0030] Figure 1 : A stereogram of a preferred embodiment of the present invention;

[0031] Figure 2 : A cross-sectional view of a preferred embodiment of the present invention;

[0032] Figure 3 : A three-dimensional diagram of a drive shaft, a tilting tongue and a drive assembly in a preferred embodiment of the present invention;

[0033] Figure 4 : A cross-sectional view of the drive shaft, the tilting tongue and the drive assembly in a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0034] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0035] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0036] like Figures 1 to 4As shown, the present invention discloses a sealing ring installation device suitable for a deep hole in a workpiece, comprising a frame 1, a sliding channel 11 is provided on the frame 1, a bearing component 2 for bearing a workpiece 100 is provided on one side of the sliding channel 11, and the aperture of the deep hole 101 on the workpiece 100 is equivalent to the inner diameter of the sliding channel 11, so that the sealing ring can slide more smoothly in the sliding channel 11 and the deep hole 101.

[0037] In this preferred embodiment, the aperture of the deep hole 101 is equal to the inner diameter of the sliding channel 11, which can achieve the most stable sliding, avoid the collision between the sealing ring and the workpiece and the frame 1, and extend the service life. Of course, the aperture of the deep hole can also be slightly smaller or slightly larger than the inner diameter of the sliding channel 11, which belongs to the protection scope of the present invention and will not be described in detail here.

[0038] The other side of the slide channel 11 is provided with a receiving groove 3 for accommodating the sealing ring, and a top assembly 4 for jacking up the bottom of the sealing ring is provided directly below the receiving groove 3, and the top assembly 4 includes a top cylinder 41 fixed on the frame 1, and a top block 42 is fixed on the top cylinder 41, and an arc groove is opened on the upper surface of the top block 42, and the arc groove is adapted to the outer contour of the sealing ring. The setting of the top block 42 can not only support and limit the workpiece 100, but also lift and move the sealing ring upward. The structure is simple, ingenious, easy to operate, and easy to disassemble, replace and repair, which greatly improves work efficiency.

[0039] The frame 1 is also provided with a driving shaft 5 which is slidably mounted. The central axis of the driving shaft 5 is coaxial with the central axis of the sliding channel 11 and the deep hole 101. The driving shaft 5 is provided with a driving groove 51 for accommodating the sealing ring. The bottom of the driving shaft 5 is provided with a tongue 6 which can push the bottom of the sealing ring in the driving groove 51 into the deep hole 101. In the above, the frame 1 is also provided with a lifting cylinder 61. The cylinder shaft of the lifting cylinder 61 is provided with a lifting block 62 which can abut against the front end of the tongue 6. The tongue 6 can exert a force on the bottom of the sealing ring to make it detach from the driving groove 51 and enter the deep hole. Under the action of the force, the sealing ring recovers quickly and stably, and the position of entering the deep hole is accurate, which can ensure the accuracy of installation and the yield rate of the sealing ring installation position.

[0040] In this preferred embodiment, the frame 1 is further provided with a position sensor 16, which is located directly below the tongue 6 and is used to detect the position of the tongue 6 in real time. Of course, other detection methods are also possible, all of which belong to the protection scope of the present invention and will not be described in detail here.

[0041] A driving assembly 7 is slidably arranged on the top of the driving shaft 5, and the driving assembly 7 can push the middle and top of the sealing ring into the deep hole 101 in sequence. The driving assembly 7 at least includes a driving sleeve 71 slidably arranged on the driving shaft 5, and waist-shaped holes 72 are opened on both sides of the driving sleeve 71. A driving bar 73 is slidably arranged in each waist-shaped hole 72, and one end of the driving bar 73 extends to the outside of the driving sleeve 71, and the other end is fixed to the end side of the reset spring fixed on the driving sleeve 71. The driving bar is integrated on the driving sleeve and driven by a driving source, which realizes high integration, makes the structure more compact, reduces the occupied space, and can also reduce the cost. At the same time, the driving bar first pushes the middle part of the sealing ring, and then uses the driving sleeve to push the top of the sealing ring, so that the sealing ring enters the deep hole. The sealing ring is pushed in sections, which can avoid the pressure loss or deformation of the sealing ring and improve the yield rate.

[0042] In this preferred embodiment, the frame 1 is provided with a first cylinder 12 and a second cylinder 13 which are arranged in an upper and lower manner. The first cylinder 12 and the second cylinder 13 are both arranged on the end side of the driving shaft 5. The first cylinder 12 is connected to the driving shaft 5 through a first coupling 14, and the second cylinder 13 is connected to the driving sleeve 71 through a second coupling 15.

[0043] In the present invention, the bearing assembly 2 at least includes a slide rail 21 fixedly mounted on the frame 1, a slider 22 adapted thereto is disposed on the slide rail 21, a bearing plate 23 is fixedly mounted on the slider 22, and the workpiece 100 is disposed on the bearing plate 23. The slide rail 21 and the slider 22 cooperate with each other to improve the stability of the movement of the bearing plate 23. A sliding cylinder 24 is fixedly mounted on the frame 1, the movement direction of the piston on the sliding cylinder 24 is parallel to the central axis of the slide rail 21, and the piston is fixedly connected to the bearing plate 23, so that the bearing plate 23 can be automatically driven to move, thereby reducing the work intensity and improving the work efficiency.

[0044] The bearing assembly 2 further comprises a bearing block 25 fixed on the bearing plate 23, a pressing bar 26 is pivotally provided on the bearing block 25, a pressing head 27 is fixedly provided on the end side of the pressing block 26; a pushing bar 28 is also pivotally provided on the bearing block 25, a connecting pin 29 is pivotally provided in the middle of the pushing bar 28, and the connecting pin 29 is also pivotally provided on the pressing bar 26. The above-mentioned method of limiting the workpiece 100 is simple and convenient, stable and reliable, easy to disassemble, replace and repair, and greatly improves work efficiency.

[0045] A bearing frame 9 is pivotally provided on the frame 1, and the bearing assembly 2, the upper assembly 4, the driving shaft 5, the tilting tongue 6 and the driving assembly 7 are integrated on the bearing frame 9. A driving motor 91 is fixedly provided on the frame 1, and a driving gear is fixedly provided on the motor shaft of the driving motor 91. A driven gear is provided on the bearing frame 9, and the driven gear is meshed with the driving gear. By rotating the bearing frame 9, the various positions of the sealing ring can be reset, and the operation is simple and convenient, stable and reliable, and has a wide range of applicability.

[0046] The installation method of the present invention is briefly described below, comprising the following steps:

[0047] S1, placing the workpiece 100 on the carrying plate 23, pulling the push bar 28 to rotate so that the pressing bar 26 pivots on the carrying block 25, and the pressing head 27 presses on the workpiece 100 to limit the workpiece 100;

[0048] S2, the sliding cylinder 24 is started, and its piston drives the bearing plate 23 to slide on the slide rail 21 until it moves to a predetermined position;

[0049] S3, placing the sealing ring into the containing groove 3, the upper surface of the upper top block 42 can limit the bottom of the sealing ring;

[0050] S4, the first cylinder 12 is started, and the driving shaft 5 is driven to move forward in the sliding channel 11 through the first coupling 14, until the driving shaft 5 passes through the sealing ring and the driving groove 51 is located directly above the sealing ring;

[0051] S5, the upper cylinder 41 is started, and the bottom of the sealing ring is driven to move upward through the upper surface of the upper block 42 until the bottom of the sealing ring is placed inside the sealing ring;

[0052] S6, the first cylinder 12 continues to start, driving the driving shaft 5 to continue to move forward, thereby driving the bottom of the sealing ring to move forward synchronously, the sealing ring will deform during the movement, and the bottom, middle and top of the sealing ring will tilt in sequence until the bottom of the sealing ring moves to the deep hole 101;

[0053] S7, the lifting cylinder 61 is started, and one end of the lifting tongue 6 is driven to move upward through the lifting block 62, and the other end of the lifting tongue 6 moves downward to press the bottom of the sealing ring into the deep hole 101;

[0054] S6. The second cylinder 13 is started, and drives the driving sleeve 71 to move forward through the second coupling 15 until the driving bar 73 pushes the middle of the sealing ring into the deep hole 101; the driving sleeve 71 continues to be driven forward until the end side of the driving sleeve 71 pushes the top of the sealing ring into the deep hole 101.

[0055] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0056] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sealing ring installation device suitable for a deep hole of a workpiece, comprising a frame (1), characterized in that: The frame (1) is provided with a slide channel (11), and a bearing assembly (2) for bearing a workpiece (100) is provided on one side of the slide channel (11), and the diameter of the deep hole (101) on the workpiece (100) is equivalent to the inner diameter of the slide channel (11); a receiving groove (3) for accommodating a sealing ring is provided on the other side of the slide channel (11), and a lifting assembly (4) for lifting the bottom of the sealing ring is provided directly below the receiving groove (3); a driving shaft (5) is also slidably provided on the frame (1), and the driving shaft (5) ) is coaxial with the central axes of the sliding channel (11) and the deep hole (101); a driving groove (51) for accommodating the sealing ring is provided on the driving shaft (5); a tongue (6) is pivotally provided at the bottom of the driving shaft (5); the tongue (6) can push the bottom of the sealing ring located in the driving groove (51) into the deep hole (101); a driving assembly (7) is slidably provided on the top of the driving shaft (5); the driving assembly (7) can push the middle and top of the sealing ring into the deep hole (101) in sequence; The driving assembly (7) at least comprises a driving sleeve (71) slidably arranged on the driving shaft (5), waist-shaped holes (72) are provided on both sides of the driving sleeve (71), a driving strip (73) is slidably arranged in each waist-shaped hole (72), one end of the driving strip (73) extends to the outside of the driving sleeve (71), and the other end is fixedly connected to the end side of a return spring fixedly arranged on the driving sleeve (71); the driving strip first pushes the middle part of the sealing ring, and then uses the driving sleeve to push the top of the sealing ring, thereby pushing the sealing ring in sections; The frame (1) is also provided with a lifting cylinder (61), and a lifting block (62) is fixedly provided on the cylinder shaft of the lifting cylinder (61), and the lifting block (62) can abut against the vicinity of the front end of the tilting tongue (6); The upper push assembly (4) comprises an upper push cylinder (41) fixedly mounted on the frame (1), an upper push block (42) fixedly mounted on the upper push cylinder (41), an arc-shaped groove being formed on the upper surface of the upper push block (42), the arc-shaped groove being adapted to the outer contour of the sealing ring; The bearing assembly (2) comprises at least a slide rail (21) fixedly mounted on the frame (1); a slider (22) matched with the slide rail (21) is provided on the slide rail (21); a bearing plate (23) is fixedly mounted on the slider (22); and the workpiece (100) is arranged on the bearing plate (23); a sliding cylinder (24) is fixedly mounted on the frame (1); a movement direction of a piston on the sliding cylinder (24) is parallel to a central axis of the slide rail (21); and the piston is fixedly connected to the bearing plate (23).

2. The sealing ring installation device suitable for deep holes of workpieces according to claim 1 is characterized in that: The frame (1) is provided with a first cylinder (12) and a second cylinder (13) which are arranged in an upper and lower manner. The first cylinder (12) and the second cylinder (13) are both arranged on the end side of the drive shaft (5). The first cylinder (12) is connected to the drive shaft (5) in a transmission manner via a first coupling (14), and the second cylinder (13) is connected to the drive sleeve (71) in a transmission manner via a second coupling (15).

3. The sealing ring installation device suitable for deep holes of workpieces according to claim 1 is characterized in that: The frame (1) is also provided with a position sensor (16), and the position sensor (16) is located directly below the tilting tongue (6) and is used to detect the position of the tilting tongue (6).

4. The sealing ring installation device suitable for deep holes of workpieces according to claim 1, characterized in that: The bearing assembly (2) further comprises a bearing block (25) fixedly mounted on the bearing plate (23); a pressing bar (26) is pivotally mounted on the bearing block (25); a pressing head (27) is fixedly mounted on the end side of the pressing bar (26); a pushing bar (28) is also pivotally mounted on the bearing block (25); a connecting pin (29) is pivotally mounted in the middle of the pushing bar (28); and the connecting pin (29) is also pivotally mounted on the pressing bar (26).

5. The sealing ring installation device suitable for deep holes of workpieces according to claim 1, characterized in that: A bearing frame (9) is pivotally provided on the frame (1); the bearing assembly (2), the upper assembly (4), the driving shaft (5), the tilting tongue (6) and the driving assembly (7) are integrated on the bearing frame (9); a driving motor (91) is fixedly provided on the frame (1); a driving gear is fixedly provided on the motor shaft of the driving motor (91); a driven gear is provided on the bearing frame (9); and the driven gear is meshed with the driving gear.

6. The installation method of the sealing ring installation device suitable for a deep hole of a workpiece according to claim 5, characterized in that: The steps include: S1, placing a workpiece (100) on the carrying plate (23), pulling the push bar (28) to rotate so that the pressing bar (26) pivots on the carrying block (25), and the pressing head (27) presses on the workpiece (100) to limit the position of the workpiece (100); S2, the sliding cylinder (24) is started, and its piston drives the carrier plate (23) to slide on the slide rail (21) until it moves to a predetermined position; S3, placing the sealing ring into the receiving groove (3), and the upper surface of the upper top block (42) can limit the bottom of the sealing ring; S4, the first cylinder (12) is started, and the drive shaft (5) is driven to move forward in the sliding channel (11) through the first coupling (14) until the drive shaft (5) passes through the sealing ring and the drive groove (51) is located directly above the sealing ring; S5, the upper cylinder (41) is started, and the bottom of the sealing ring is driven to move upward through the upper surface of the upper block (42) until the bottom of the sealing ring is placed inside the sealing ring; S6, the first cylinder (12) continues to start, driving the drive shaft (5) to continue to move forward, thereby driving the bottom of the sealing ring to move forward synchronously, the sealing ring will deform during the movement, and the bottom, middle and top of the sealing ring will tilt in sequence until the bottom of the sealing ring moves to the deep hole (101); S7, the lifting cylinder (61) is started, and one end of the lifting tongue (6) is driven to move upward through the lifting block (62), and the other end of the lifting tongue (6) is moved downward to press the bottom of the sealing ring into the deep hole (101); S6, the second cylinder (13) is started, and the driving sleeve (71) is driven to move forward through the second coupling (15) until the driving bar (73) pushes the middle part of the sealing ring into the deep hole (101); The drive sleeve (71) is continuously driven to move forward until the end side of the drive sleeve (71) pushes the top of the sealing ring into the deep hole (101).

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