O-shaped ring assembling equipment

Abstract

The O-shaped ring assembling equipment comprises a base, a sliding base, a first linear moving mechanism, a second linear moving mechanism, a third linear moving mechanism, a sleeve, an inserting rod and a pushing plate, the sliding base is slidably connected to the base, the pushing plate is slidably connected to the sliding base, the sleeve with the two ends open is connected with the sliding base, and a pushing ring is arranged at the bottom end of the pushing plate; the push ring is arranged on the peripheral wall of the sleeve in a sliding and sleeving mode, the bottom end of the inserting rod penetrates through the sleeve, at least two guiding protruding edges are arranged on the peripheral wall close to the bottom end of the inserting rod in an outward protruding mode, the guiding protruding edges can be clamped into gaps between the positioning protrusions, and O-shaped rings can be placed on the feeding table. The inserting rod, the sleeve and the push plate can be driven by the first linear moving mechanism to move downwards, the push plate and the push ring can be driven by the second linear moving mechanism to move downwards, the push ring can push the O-shaped ring to be separated from the positioning protrusion, and the O-shaped ring separated from the positioning protrusion can be arranged on a workpiece in a sleeving mode. The device is high in automation degree.

Description

TECHNICAL FIELD

[0001] The present application relates to automation equipment, in particular to an O-ring assembly equipment. BACKGROUND

[0002] With the development of the times, the industrial production technology is also developing rapidly, and automation equipment is also more and more applied in industrial production. At present, the assembly of O-rings (O-rings, also known as O-rubber sealing rings) on products is usually operated manually. However, due to the small size of O-rings, it is not convenient to take them during manual assembly. In addition, manual assembly not only has high cost, but also has low efficiency and poor assembly precision, which lacks competitiveness in the industrial field emphasizing cost reduction and efficiency improvement, and is not conducive to large-scale promotion and industrial production. SUMMARY

[0003] In order to overcome the above defects, the present application provides an O-ring assembly equipment, which has the advantages of high automation degree.

[0004] The technical scheme adopted by the present application to solve its technical problems is: an O-ring assembly equipment, comprising: a base, a sliding seat, a first linear motion mechanism, a second linear motion mechanism, a third linear motion mechanism, a sleeve, a plug rod and a push plate, the sliding seat is slidingly connected to the base, the push plate is slidingly connected to the sliding seat, the sleeve with two open ends is connected to the sliding seat, the bottom end of the push plate is provided with a push ring, the push ring is slidingly sleeved on the outer peripheral wall of the sleeve, the bottom end of the plug rod is inserted into the sleeve, the outer peripheral wall near the bottom end of the plug rod is provided with at least two guide ribs which protrude outward, the bottom end of the sleeve is provided with a positioning protrusion which protrudes downward, the number of the positioning protrusions is the same as that of the guide ribs, the guide ribs can be clamped into the intervals between the positioning protrusions, an O-ring can be placed on the feeding table, the bottom wall of the O-ring can abut against the top wall of the feeding table, a gap is provided below the O-ring, the gap can cooperate with the bottom end of the plug rod, the plug rod, the sleeve and the push plate can move downward under the drive of the first linear motion mechanism, the bottom end of the plug rod can be inserted into the inner ring of the O-ring and then inserted into the gap, the O-ring can be sleeved on the guide ribs and moved along the guide ribs until it is sleeved on the positioning protrusion, the plug rod can be retracted into the sleeve under the drive of the third linear motion mechanism, the bottom end of the sleeve can be sleeved on a workpiece, the push plate and the push ring can move downward under the drive of the second linear motion mechanism, the push ring can push the O-ring away from the positioning protrusion, and the O-ring away from the positioning protrusion can be sleeved on the workpiece.

[0005] As an option, it further comprises a first sliding rail and a second sliding rail, the first sliding rail is fixed to the side wall of the base, the right side wall of the sliding seat is slidingly connected to the first sliding rail, the second sliding rail is fixed to the left side wall of the sliding seat, and the push plate is slidingly connected to the second sliding rail.

[0006] As optional, it further comprises a first fixing plate, a second fixing plate and a third fixing plate, the first fixing plate is fixed to the top end of the base, the first linear moving mechanism is fixed to the first fixing plate, the moving end of the first linear moving mechanism is fixed with the pressure head, the top end of the sliding base is fixed with the pressing plate, the pressure head and the pressing plate are connected, the second fixing plate is fixed to the middle part of the sliding base, the third linear moving mechanism is fixed to the second fixing plate, the moving end of the third linear moving mechanism is connected to the top end of the inserting rod, the second linear moving mechanism is fixed to the sliding base, the moving end of the second linear moving mechanism is fixed to the top end of the pushing plate, the third fixing plate is fixed to the bottom end of the sliding base, the third fixing plate is provided with a gap, the bottom end of the pushing plate can be extended from the gap, the pushing ring comprises a ring body and a connecting seat, the ring body is slidably sleeved on the outer circumferential wall of the sleeve, and the connecting seat is fixed to the bottom end of the pushing plate.

[0007] As optional, it further comprises a pressure sensor, the top end of the pressure sensor is fixed to the pressure head, and the bottom end of the pressure sensor is fixed to the pressing plate.

[0008] As optional, the first linear moving mechanism is a first air cylinder, the cylinder rod of the first air cylinder is the moving end of the first linear moving mechanism, the second linear moving mechanism is a second air cylinder, the cylinder rod of the second air cylinder is the moving end of the second linear moving mechanism, and the third linear moving mechanism is a third air cylinder.

[0009] As optional, the first end of the guiding convex rib is defined as the first end of the guiding convex rib, the second end of the guiding convex rib is defined as the second end of the guiding convex rib, the height of the guiding convex rib is defined as the height of the guiding convex rib, the height of the guiding convex rib is higher than the height of the guiding convex rib, the outer circumferential wall of the positioning convex is arc-shaped, the number of the guiding convex ribs is four, the four guiding convex ribs are arranged at intervals around the circumference of the inserting rod, the four positioning convexes are arranged at intervals around the circumference of the sleeve, the second end of the guiding convex rib can be clamped into the interval between the positioning convexes, the outer circumferential wall of the bottom end of the positioning convex is provided with a slope, and the upper side of the slope is provided with a clamping groove for clamping the O-shaped ring.

[0010] As optional, it further comprises a positioning seat, the positioning seat is fixed to the third linear moving mechanism, the lower side of the positioning seat is provided with a positioning piece, the positioning piece is provided with a positioning hole penetrating therethrough, the inserting rod is arranged in the positioning hole, the top end of the inserting rod is arranged in the radial direction of the inserting rod and protrudes outward and is provided with a first positioning ring, and the first positioning ring can abut against the top surface of the positioning piece.

[0011] As optionally, a fixing piece is further included, a fixing hole is formed through the third fixing plate, a second positioning ring is arranged on the outer circumferential wall of the sleeve and protrudes along the radial direction of the sleeve, the sleeve can be arranged through the fixing hole, the bottom end of the second positioning ring can abut against the top surface of the third fixing plate, the top end of the fixing piece is provided with a positioning plate, a positioning gap is formed in the side wall of the positioning plate, the fixing piece is fixed to the side wall of the third fixing plate, the outer circumferential wall of the sleeve can be clamped in the positioning gap, and the top end of the second positioning ring can abut against the bottom surface of the positioning plate.

[0012] As optionally, the insertion rod is made of an anti-static material.

[0013] The O-ring assembling device has the advantages that: the O-ring is placed on the feeding table first in use, then the insertion rod, the sleeve and the push plate move downward under the drive of the first linear movement mechanism, the bottom end of the insertion rod is inserted into the inner ring of the O-ring, the insertion rod can continue to move downward and gradually extend into the accommodation hole because the accommodation hole is arranged below the O-ring, the O-ring cannot be pushed by the insertion rod in the process of the insertion rod extending into the accommodation hole, but moves along the guide protrusion to the position where the guide protrusion and the positioning protrusion are clamped with each other because the bottom wall of the O-ring abuts against the top wall of the feeding table, the O-ring is sleeved on the guide protrusion and the positioning protrusion at the same time because the guide protrusion and the positioning protrusion are clamped with each other, then the insertion rod is retracted into the sleeve under the drive of the third linear movement mechanism, the O-ring is only sleeved on the positioning protrusion at this time, in addition, the insertion rod is retracted into the sleeve, and the bottom end of the sleeve can be sleeved on the workpiece, the push ring moves downward under the drive of the second linear movement mechanism to push the O-ring and make the O-ring separate from the positioning protrusion when the bottom end of the sleeve is sleeved on the workpiece, the O-ring separated from the positioning protrusion is sleeved on the workpiece, so that the automatic assembling of the O-ring is realized, and the degree of automation is high because the whole process is automatically completed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the whole machine of the present application;

[0015] Figure 2 is Figure 1 is an enlarged view of part A in FIG.

[0016] Figure 3 is Figure 1 is an enlarged view of part B in FIG.

[0017] wherein:

[0018] 1, base; 2, sliding seat; 3, first linear movement mechanism; 4, second linear movement mechanism;

[0019] 5, third linear movement mechanism; 6, sleeve; 7, insertion rod; 8, push plate; 9, push ring; 10,

[0020] O-ring; 11, first fixed plate; 12, second fixed plate; 13, third fixed plate; 14, pressure head; 15, pressing plate; 16, pressure sensor; 17, positioning seat; 18, positioning member; 19, fixing member; 61, positioning protrusion. DETAILED DESCRIPTION

[0021] In order to make the technical means of the present application more clearly understood, and to be implemented according to the content of the specification, the specific embodiments of the present application are further described in detail below in conjunction with the drawings and examples, the following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0022] The specific embodiments of the present application detail the O-ring assembly equipment described in the present application, such as Figures 1-3As shown, the O-ring assembly device comprises a base 1, a sliding seat 2, a first linear movement mechanism 3, a second linear movement mechanism 4, a third linear movement mechanism 5, a sleeve 6, a plug rod 7 and a push plate 8, the sliding seat 2 is slidingly connected to the base 1, the push plate 8 is slidingly connected to the sliding seat 2, the sleeve 6 with two open ends is connected to the sliding seat 2, the bottom end of the push plate 8 is provided with a push ring 9, the push ring 9 is slidingly sleeved on the outer peripheral wall of the sleeve 6, the bottom end of the plug rod 7 penetrates the sleeve 6, the outer peripheral wall near the bottom end of the plug rod 7 is provided with at least two guide protrusions outwardly protruding, the bottom end of the sleeve 6 is provided with positioning protrusions 61 downwardly protruding, the number of the positioning protrusions 61 is the same as that of the guide protrusions, the guide protrusions can be clamped into the intervals between the positioning protrusions 61, an O-ring 10 can be placed on the feeding table, the bottom wall of the O-ring 10 can abut against the top wall of the feeding table, the O-ring 10 is provided below with a gap hole capable of cooperating with the bottom end of the plug rod 7, the plug rod 7, the sleeve 6 and the push plate 8 can move downwardly under the drive of the first linear movement mechanism 3, the bottom end of the plug rod 7 can be inserted into the inner ring of the O-ring 10 and then extended into the gap hole, the O-ring 10 can be sleeved on the guide protrusions, the O-ring 10 can move along the guide protrusions until it is sleeved on the positioning protrusions 61, the plug rod 7 can be retracted into the sleeve 6 under the drive of the third linear movement mechanism 5, the bottom end of the sleeve 6 can be sleeved on a workpiece, the push plate 8 and the push ring 9 can move downwardly under the drive of the second linear movement mechanism 4, the push ring 9 can push the O-ring 10 away from the positioning protrusions 61, the O-ring 10 away from the positioning protrusions 61 can be sleeved on the workpiece. In use, first, the O-ring 10 is placed on the feeding table, then the plug rod 7, the sleeve 6 and the push plate 8 move downwardly under the drive of the first linear movement mechanism 3, the bottom end of the plug rod 7 is inserted into the inner ring of the O-ring 10, since the O-ring 10 is provided below with the gap hole, the plug rod 7 can continue to move downwardly and gradually extend into the gap hole, since the bottom wall of the O-ring 10 abuts against the top wall of the feeding table, the O-ring 10 will not be pushed by the plug rod 7 in the process of the plug rod 7 extending into the gap hole, but move along the guide protrusions to the position where the guide protrusions and the positioning protrusions 61 are clamped with each other, since the guide protrusions and the positioning protrusions 61 are clamped with each other, the O-ring 10 is sleeved on the guide protrusions and the positioning protrusions 61 at the same time, then the plug rod 7 is retracted into the sleeve 6 under the drive of the third linear movement mechanism 5, at this time, the O-ring 10 is only sleeved on the positioning protrusions 61, in addition, the plug rod 7 is retracted into the sleeve 6, the bottom end of the sleeve 6 can be sleeved on the workpiece, when the bottom end of the sleeve 6 is sleeved on the workpiece, the push ring 9 moves downwardly under the drive of the second linear movement mechanism 4 to push the O-ring 10 away from the positioning protrusions 61, the O-ring 10 away from the positioning protrusions 61 is sleeved on the workpiece, so as to realize the automatic assembly of the O-ring 10, since the whole process is completed automatically, the degree of automation is high. The device has the advantage of high degree of automation.

[0023] Optionally, the embodiment further comprises a first sliding rail and a second sliding rail, the first sliding rail is fixed to the side wall of the base 1, the right side wall of the sliding seat 2 is slidingly connected to the first sliding rail, the second sliding rail is fixed to the left side wall of the sliding seat 2, and the push plate 8 is slidingly connected to the second sliding rail.

[0024] Optionally, the embodiment further comprises a first fixed plate 11, a second fixed plate 12 and a third fixed plate 13, the first fixed plate 11 is fixed to the top end of the base 1, the first linear motion mechanism 3 is fixed to the first fixed plate 11, the moving end of the first linear motion mechanism 3 is fixed with a pressure head 14, the top end of the sliding seat 2 is fixed with a pressure plate 15, the pressure head 14 and the pressure plate 15 are connected, the second fixed plate 12 is fixed to the middle part of the sliding seat 2, the third linear motion mechanism 5 is fixed to the second fixed plate 12, the moving end of the third linear motion mechanism 5 is connected to the top end of the inserting rod 7, the second linear motion mechanism 4 is fixed to the sliding seat 2, the moving end of the second linear motion mechanism 4 is fixed to the top end of the push plate 8, the third fixed plate 13 is fixed to the bottom end of the sliding seat 2, the third fixed plate 13 is provided with a gap, the bottom end of the push plate 8 can extend from the gap, and the push ring 9 comprises a ring body and a connecting seat, the ring body is slidingly sleeved on the outer peripheral wall of the sleeve 6, and the connecting seat is fixed to the bottom end of the push plate 8.

[0025] Optionally, the embodiment further comprises a pressure sensor 16, the top end of the pressure sensor 16 is fixed to the pressure head 14, and the bottom end of the pressure sensor 16 is fixed to the pressure plate 15. The pressure sensor 16 can detect the pressure value when the first linear motion mechanism 3 pushes the sliding seat 2, and the first linear motion mechanism 3 stops moving when the pressure sensor 16 detects that the pressure value is greater than a preset value.

[0026] Optionally, the first linear motion mechanism 3 is a first air cylinder, the cylinder rod of the first air cylinder is the moving end of the first linear motion mechanism 3, the second linear motion mechanism 4 is a second air cylinder, the cylinder rod of the second air cylinder is the moving end of the second linear motion mechanism 4, and the third linear motion mechanism 5 is a third air cylinder, the cylinder rod of the third air cylinder is the moving end of the third linear motion mechanism 5.

[0027] Optionally in the embodiment, the first end of the guide protrusion is defined as the first end of the guide protrusion, the second end of the guide protrusion is defined as the second end of the guide protrusion, the straight-line distance between the top wall of the guide protrusion and the outer circumferential wall of the insertion rod 7 is defined as the height of the guide protrusion, the height of the second end of the guide protrusion is higher than the height of the first end of the guide protrusion, the outer circumferential wall of the positioning protrusion 61 is arc-shaped, the number of the guide protrusions is four, the four guide protrusions are arranged at intervals around the circumference of the insertion rod 7, the four positioning protrusions 61 are arranged at intervals around the circumference of the sleeve 6, the second end of the guide protrusion can be clamped into the interval between the positioning protrusions 61, the outer circumferential wall of the bottom end of the positioning protrusion 61 is provided with a slope, and a clamping groove for clamping the O-ring 10 is arranged above the slope. In the process of taking out the O-ring 10, the first end of the guide protrusion with a lower height first extends into the inner ring of the O-ring 10, and then the O-ring 10 can be moved along the guide protrusion to the position where the guide protrusion and the positioning protrusion 61 are clamped with each other, and the guide protrusion can play a role of positioning and guiding in the process of moving the O-ring 10. In the embodiment, the first end of the guide protrusion and the second end of the guide protrusion are smoothly transitioned to avoid jamming in the process of taking out the O-ring 10. In the embodiment, the clamping groove is provided with a removal slope on the side wall close to the positioning protrusion 61.

[0028] Optionally in the embodiment, the positioning seat 17 is further included, the positioning seat 17 is fixed to the third linear movement mechanism 5, the positioning seat 17 is provided below with a positioning piece 18, a positioning hole is arranged through the positioning piece 18, the insertion rod 7 is arranged through the positioning hole, and the top end of the insertion rod 7 is arranged to protrude along the radial direction of the insertion rod 7 and is provided with a first positioning ring, and the first positioning ring can abut against the top surface of the positioning piece 18. The first positioning ring can avoid the insertion rod 7 from being separated from the positioning piece 18.

[0029] Optionally in the embodiment, the fixing piece 19 is further included, a fixing hole is arranged through the third fixing plate 13, the outer circumferential wall of the sleeve 6 is arranged to protrude along the radial direction of the sleeve 6 and is provided with a second positioning ring, the sleeve 6 can be arranged through the fixing hole, the bottom end of the second positioning ring can abut against the top surface of the third fixing plate 13, the top end of the fixing piece 19 is provided with a positioning plate, a positioning notch is arranged in the side wall of the positioning plate, the fixing piece 19 is fixed to the side wall of the third fixing plate 13, the outer circumferential wall of the sleeve 6 can be clamped into the positioning notch, and the top end of the second positioning ring can abut against the bottom surface of the positioning plate. The abutment of the upper and lower ends of the second positioning ring against the top surface of the third fixing plate 13 and the bottom surface of the positioning plate respectively can avoid the sleeve 6 from shaking up and down, and the axial fixation of the sleeve 6 is achieved.

[0030] Optionally in the embodiment, the insertion rod 7 is made of an anti-static material. The insertion rod 7 made of an anti-static material can avoid static electricity generated in the process of taking out the O-ring 10, thereby affecting the subsequent assembly.

[0031] Assembly Process: In this embodiment, the O-ring assembly equipment is fixed to the moving end of an external mobile device, such as a robotic arm. Driven by the external mobile device, the O-ring assembly equipment can move back and forth between the O-ring loading position and the workpiece assembly position. An O-ring 10 is placed on the top wall of the loading platform at the O-ring loading position. A clearance hole is provided on the loading platform below the O-ring 10 to mate with the bottom end of the insertion rod 7. The robotic arm is existing technology and will not be described in detail in this embodiment. First, the O-ring assembly equipment moves to the O-ring loading position under the drive of the external mobile device. The first linear movement mechanism 3 drives the slide 2 and the second linear movement mechanism... The moving mechanism 4, the third linear moving mechanism 5, the sleeve 6, the insert rod 7, the push plate 8, and the push ring 9 move downwards together. The end of the insert rod 7 extends into the inner ring of the O-ring 10 located directly below and then into the clearance hole. During this process, the bottom wall of the O-ring 10 abuts against the top wall of the loading platform. Then, the O-ring 10 moves along the guide ridge to the position where the guide ridge and the positioning protrusion 61 engage with each other, and the O-ring 10 can be inserted into the slot of the positioning protrusion 61 along the slope. At this time, the O-ring 10 is simultaneously fitted onto the guide ridge and the positioning protrusion 61. Then, the insert rod 7 moves upwards under the drive of the third linear moving mechanism 5 and retracts into the sleeve 6. During the process of rod 7 disengaging from O-ring 10, the slot prevents O-ring 10 from being driven by rod 7. At this time, O-ring 10 is only fitted onto positioning protrusion 61. Then, the first linear movement mechanism 3 resets slide 2, the second linear movement mechanism 4, the third linear movement mechanism 5, sleeve 6, rod 7, push plate 8, and push ring 9, moving downwards and upwards together. Then, the O-ring assembly equipment moves to the workpiece assembly position under the drive of the external mobile device. Then, the first linear movement mechanism 3 drives slide 2, the second linear movement mechanism 4, the third linear movement mechanism 5, sleeve 6, rod 7, push plate 8, and push ring 9 to move downwards together. As the insertion rod 7 retracts into the sleeve 6, the bottom end of the sleeve 6 can be fitted onto the workpiece located directly below. Then, the second linear movement mechanism 4 drives the push plate 8 and the push ring 9 to move downward together. Since the ring body of the push ring 9 slides on the outer peripheral wall of the sleeve 6 and is located above the O-ring 10, when the ring body moves downward, it can push the O-ring 10 to move out of the slot along the moving ramp and disengage from the positioning protrusion 61. Since the bottom end of the sleeve 6 is fitted onto the workpiece at this time, when the O-ring 10 disengages from the positioning protrusion 61, the O-ring 10 can be fitted onto the workpiece. This cycle is repeated to achieve automatic assembly of the O-ring 10.

[0032] The O-ring assembly equipment in this embodiment has the advantage of a high degree of automation.

Claims

1. An O-ring assembly apparatus, characterized by, The utility model relates to a kind of O-shaped ring loading device, including: Base (1), sliding seat (2), first linear movement mechanism (3), second linear movement mechanism (4), third linear movement mechanism (5), sleeve (6), plug rod (7) and push plate (8), sliding seat (2) is slidably connected to base (1), push plate (8) is slidably connected to sliding seat (2), sleeve (6) of two ends opening is connected sliding seat (2), the bottom end of push plate (8) is provided with push ring (9), push ring (9) is slidably arranged in the outer peripheral wall of sleeve (6), the outer peripheral wall close to the bottom end of plug rod (7) is outwardly convexly provided with at least two guide ribs, the bottom end of sleeve (6) is downwardly convexly provided with positioning protrusion (61), the number of positioning protrusion (61) and guide rib are same, guide rib can be inserted into the interval between positioning protrusion (61), O-shaped ring (10) can be placed on loading table, the bottom wall of O-shaped ring (10) can abut against the top wall of loading table, the bottom of O-shaped ring (10) is provided with the hole for giving place that can cooperate with the bottom end of plug rod (7), plug rod (7), sleeve (6) and push plate (8) can be driven to move downward by first linear movement mechanism (3), the bottom end of plug rod (7) can be inserted into the inner ring of O-shaped ring (10) and extend into the hole for giving place, O-shaped ring (10) can be sleeved on guide rib, O-shaped ring (10) can be moved along guide rib until being sleeved on positioning protrusion (61), plug rod (7) can be retracted into sleeve (6) by the drive of third linear movement mechanism (5), the bottom end of sleeve (6) can be sleeved on workpiece, push plate (8) and push ring (9) can be driven to move downward by second linear movement mechanism (4), push ring (9) can push O-shaped ring (10) and separate from positioning protrusion (61), O-shaped ring (10) separated from positioning protrusion (61) can be sleeved on workpiece.

2. The O-ring assembly apparatus of claim 1, wherein: It further includes first slide rail and second slide rail, the first slide rail is fixed to the side wall of base (1), the right side wall of sliding seat (2) is slidably connected to first slide rail, the second slide rail is fixed to the left side wall of sliding seat (2), push plate (8) is slidably connected to second slide rail.

3. The O-ring assembly apparatus of claim 2, wherein: The first fixed plate (11) is fixed to the top end of the base (1), the first linear movement mechanism (3) is fixed to the first fixed plate (11), the moving end of the first linear movement mechanism (3) is fixedly connected with the pressure head (14), the top end of the sliding seat (2) is fixedly connected with the pressing plate (15), the pressure head (14) is connected with the pressing plate (15), the second fixed plate (12) is fixed to the middle part of the sliding seat (2), the third linear movement mechanism (5) is fixed to the second fixed plate (12), the moving end of the third linear movement mechanism (5) is connected with the top end of the inserting rod (7), the second linear movement mechanism (4) is fixed to the sliding seat (2), the moving end of the second linear movement mechanism (4) is fixed to the top end of the push plate (8), the third fixed plate (13) is fixed to the bottom end of the sliding seat (2), the third fixed plate (13) is provided with a gap, the bottom end of the push plate (8) can be extended from the gap, the push ring (9) comprises a ring body and a connecting seat, the ring body is slidably arranged on the outer circumferential wall of the sleeve (6), and the connecting seat is fixed to the bottom end of the push plate (8).

4. The O-ring assembly apparatus of claim 3, wherein: The pressure sensor (16) is fixed to the top end of the pressure head (14), and the bottom end of the pressure sensor (16) is fixed to the pressing plate (15).

5. The O-ring assembly apparatus of claim 4, wherein: The first linear movement mechanism (3) is a first air cylinder, the cylinder rod of the first air cylinder is the moving end of the first linear movement mechanism (3), the second linear movement mechanism (4) is a second air cylinder, the cylinder rod of the second air cylinder is the moving end of the second linear movement mechanism (4), and the third linear movement mechanism (5) is a third air cylinder.

6. The O-ring assembly apparatus of claim 1, wherein: The first end of the guide convex rib is defined as the first end of the guide convex rib, the second end of the guide convex rib is defined as the second end of the guide convex rib, the straight-line distance between the top wall of the guide convex rib and the outer circumferential wall of the inserting rod (7) is defined as the height of the guide convex rib, the height of the second end of the guide convex rib is higher than the height of the first end of the guide convex rib, the outer circumferential wall of the positioning convex (61) is arc-shaped, the number of the guide convex ribs is four, the four guide convex ribs are arranged at intervals around the circumference of the inserting rod (7), the four positioning convexes (61) are arranged at intervals around the circumference of the sleeve (6), the second end of the guide convex rib can be clamped into the interval between the positioning convexes (61), and the outer circumferential wall of the bottom end of the positioning convex (61) is provided with a slope.

7. The O-ring assembly apparatus of claim 3, wherein: The positioning seat (17) is fixed to the third linear movement mechanism (5), the lower portion of the positioning seat (17) is provided with a positioning piece (18), the positioning hole is arranged on the positioning piece (18), the inserting rod (7) is arranged in the positioning hole, the first positioning ring is arranged on the top end of the inserting rod (7) and protrudes along the radial direction of the inserting rod (7), and the first positioning ring can abut against the top surface of the positioning piece (18).

8. The O-ring assembly apparatus of claim 3, wherein: Also included are fixing pieces (19), the third fixing plate (13) is provided with a fixing hole penetratingly formed thereon, the outer peripheral wall of the sleeve (6) is provided with a second positioning ring protruding along the radial direction of the sleeve (6), the sleeve (6) can be penetratedly arranged in the fixing hole, the bottom end of the second positioning ring can abut against the top surface of the third fixing plate (13), the top end of the fixing piece (19) is provided with a positioning plate, the side wall of the positioning plate is provided with a positioning gap, the fixing piece (19) is fixed to the side wall of the third fixing plate (13), the outer peripheral wall of the sleeve (6) can be clamped in the positioning gap, and the top end of the second positioning ring can abut against the bottom surface of the positioning plate.

9. The O-ring assembly apparatus of claim 1, wherein: The inserting rod (7) is made of an anti-static material.

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