Assembling mechanism capable of expanding multiple O-shaped rings simultaneously

Abstract

The utility model discloses an assembly mechanism capable of simultaneously opening a plurality of O-shaped rings, belongs to the technical field of automatic assembly, and solves the problem of low production efficiency of an existing O-shaped ring assembly mechanism. The assembling mechanism comprises a supporting table, a positioning device used for positioning the O-shaped rings is arranged at the top of the supporting table, an opening assembly used for opening the O-shaped rings at the same time is arranged between the positioning device and the supporting table, the opening end of the opening assembly is movably connected with the positioning device in an inserted mode, a supporting back plate is arranged above the positioning device, and the opening end of the supporting back plate is movably connected with the supporting table. A first air cylinder is arranged above the supporting back plate, a mounting plate is arranged at the lower end of the supporting back plate in a sliding mode, the output end of the first air cylinder is connected with the mounting plate, and a plurality of opening cylinders used for taking the O-shaped rings are arranged at the bottom of the mounting plate. According to the assembling mechanism capable of opening the O-shaped rings simultaneously, the O-shaped rings can be opened and assembled simultaneously, and the production efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic assembly, in particular to an assembly mechanism for simultaneously expanding a plurality of O-rings. Background Art

[0002] O-rings are very common components in mechanical devices, often playing a sealing role and being widely used. The assembly of O-rings is generally completed manually. Because when assembling O-rings, the O-rings need to be enlarged first and then sleeved into the installation grooves of parts. Manual operation takes a long time, causes discontinuity of the automatic production line, and may also cause damage to operators due to production line operations. Therefore, using automated machinery to replace manual labor is the current trend.

[0003] After retrieval, a bearing O-ring assembly mechanism with the publication number CN219853083U discloses a moving structure. The moving structure includes a first bracket. A horizontally arranged first cylinder is provided on the first bracket. The piston rod end of the first cylinder is connected to a vertically arranged second cylinder. The second cylinder is connected to a horizontally arranged mounting plate. A second bracket is connected below the mounting plate. A first ring-expanding assembly is connected below the second bracket. A ring-sleeving structure is provided on the mounting plate. The second bracket and the ring-sleeving structure are arranged along the telescopic direction of the piston rod of the first cylinder. A jacking structure is provided below the ring-sleeving structure. Although this mechanism can sleeve the O-ring into the part, it can only expand and sleeve one by one each time, and the efficiency is still low. The production efficiency still cannot meet the current rapid production requirements. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide an assembly mechanism for simultaneously expanding a plurality of O-rings in view of the above deficiencies of the prior art. It can realize the simultaneous expansion and assembly of a plurality of O-rings, effectively improve the production efficiency, and has the characteristics of convenient use and strong practicability.

[0005] The technical solution adopted by the utility model is: an assembly mechanism for simultaneously expanding a plurality of O-rings, including a support table. A positioning device for positioning O-rings is provided on the top of the support table. A ring-expanding assembly for simultaneously expanding a plurality of O-rings is provided between the positioning device and the support table. The expanding end of the ring-expanding assembly is movably inserted into the positioning device. A support back plate is provided above the positioning device. A first cylinder is provided above the support back plate. A mounting plate is slidably provided at the lower end of the support back plate. The output end of the first cylinder is connected to the mounting plate. A plurality of expanding cylinders for picking up O-rings are provided at the bottom of the mounting plate. A ring-unloading sleeve for unloading O-rings is sleeved on each expanding cylinder. A driving assembly for lifting the ring-unloading sleeve is provided on the mounting plate.

[0006] As a further improvement, the positioning device includes a positioning plate and two lifting cylinders, the two lifting cylinders are respectively installed on both sides of the support platform, the two ends of the positioning plate are connected to the output ends of the lifting cylinders on both sides, and the positioning plate is provided with a plurality of makeshift grooves for the support components to pass through.

[0007] Furthermore, the expansion assembly includes multiple front expansion rods, multiple rear expansion rods, multiple left expansion rods and multiple right expansion rods. The front expansion rods, rear expansion rods, left expansion rods and right expansion rods are all movably connected with the clearance grooves. The bottom ends of the front expansion rods and rear expansion rods are provided with a first driving device for driving them to move outward, and the bottom ends of the left expansion rods and right expansion rods are provided with a second driving device for driving them to move outward.

[0008] Furthermore, the first driving device includes a second cylinder, a first connecting rod and a first movable plate, the second cylinder is installed at the bottom of the support platform, one end of the first connecting rod is connected to the second cylinder, and the other end is connected to the first movable plate, and the multiple front stretching rods and rear stretching rods are respectively arranged on the first movable plates on both sides.

[0009] Furthermore, the second driving device includes a third cylinder, a second connecting rod and a second movable plate. The third cylinder is installed on one side of the support platform. One end of the second connecting rod is connected to the third cylinder, and the other end is connected to the second movable plate. A plurality of left spreading rods and a plurality of right spreading rods are respectively arranged on the second movable plates on both sides.

[0010] Furthermore, first slide rails are provided on both left and right sides of the support platform, and both ends of the first movable plate are slidably connected to the first slide rails on both sides respectively.

[0011] Furthermore, the support platform is provided with second slide rails on both the front and rear sides, and the second movable plate is slidably mounted on the second slide rails.

[0012] Furthermore, the driving assembly includes a fourth cylinder and a sliding frame, the fourth cylinder is installed on the upper end of the mounting plate, the output end of the fourth cylinder is connected to the sliding frame, the fourth cylinder is connected, the ring removal sleeve is installed at the bottom of the sliding frame, and the expansion cylinder is movably connected to the sliding frame.

[0013] Furthermore, the mounting plate is in an L-shaped structure, and two sides of the bottom of the mounting plate are slidably connected to the inner wall of the sliding frame through guide rails, and a buffer device is provided between the sliding frame and the mounting plate.

[0014] Furthermore, the buffer device includes a first mounting block and a second mounting block. The first mounting block is mounted on one side of the sliding frame, and the second mounting block is connected to the mounting plate. The first mounting block is provided with a first limiting rod and a buffer rod. The second mounting block is provided with a second limiting rod corresponding to the first limiting rod, and the second mounting block is provided with a support rod corresponding to the buffer rod.

[0015] Beneficial effects

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] An assembly mechanism for simultaneously expanding multiple O-rings according to the present invention. A front expansion rod, a rear expansion rod, a left expansion rod, and a right expansion rod form a working station. When in use, first place multiple O-rings on the positioning plate of the positioning device, start the lifting cylinders on both sides to lower the positioning plate. At this time, the expansion rods in different directions pass through the positioning plate, and each O-ring falls onto the expansion rods in four directions. Then, the second cylinder of the first driving device on both sides pushes the first connecting rod, and the first connecting rod drives the first moving plate to move outward, thereby driving the front expansion rod and the rear expansion rod on the first moving plates on both sides to move outward, so as to realize the front and rear expansion of the O-ring. At the same time, the third cylinder of the second driving device pushes the second connecting rod, and the second connecting rod drives the second moving plate to move outward, thereby driving the left expansion rod and the right expansion rod on the second moving plates on both sides to move outward, so as to realize the left and right expansion of the O-ring, making the expansion force of the O-ring uniform. After the O-ring is fully expanded, the first cylinder pushes the mounting plate downward, and the mounting plate drives the expansion cylinder to move downward and insert into the O-ring. Immediately afterwards, the second cylinder and the third cylinder control the front expansion rod, the rear expansion rod, the left expansion rod, and the right expansion rod to retract, so that the O-ring is sleeved on the expansion cylinder. Then the first cylinder starts to rise, and the expansion cylinder drives the O-ring to rise together. Move the support back plate to above the part where the O-ring needs to be installed through the three-axis slide rail on the machine tool. At this time, multiple O-rings are respectively aligned with multiple parts. Then the fourth cylinder pushes the sliding frame downward, and the sliding frame drives the ring unloading sleeve downward, thereby pushing the O-ring to break away from the expansion cylinder and install it into the part. The whole process automatically completes the expansion, picking and installation of multiple O-rings at the same time, effectively improving the work efficiency, and further reducing the production cost to meet the requirements of existing large-scale production, and has the characteristics of strong practicability and wide application range. Description of the drawings

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 is a front view structural schematic diagram of the present invention;

[0020] Figure 3It is a schematic enlarged view of the structure of the first driving device in the present utility model;

[0021] Figure 4 It is a schematic enlarged view of the structure of the second driving device in the present utility model.

[0022] Wherein: 1 - support platform, 2 - positioning device, 3 - spreading component, 4 - second driving device, 5 - first driving device, 6 - buffer device, 7 - driving component, 8 - support backplate, 9 - mounting plate, 10 - first cylinder, 11 - spreading cylinder, 12 - ring unloading sleeve, 13 - guide rail, 14 - first slide rail, 15 - second slide rail, 21 - positioning plate, 22 - lifting cylinder, 31 - front spreading rod, 32 - rear spreading rod, 33 - left spreading rod, 34 - right spreading rod, 41 - third cylinder, 42 - second moving plate, 43 - second connecting rod, 51 - second cylinder, 52 - first connecting rod, 53 - first moving plate, 61 - first limiting rod, 62 - buffer rod, 63 - first mounting block, 64 - second mounting block, 65 - second limiting rod, 66 - support rod, 71 - fourth cylinder, 72 - sliding frame. Specific embodiments

[0023] The present utility model will be further described below with reference to the specific embodiments in the drawings.

[0024] Refer to Figures 1-4As shown, the utility model is an assembly mechanism for simultaneously opening multiple O-rings, comprising a support platform 1, a positioning device 2 for positioning the O-rings is provided on the top of the support platform 1, an opening component 3 for simultaneously opening multiple O-rings is provided between the positioning device 2 and the support platform 1, the opening end of the opening component 3 is movably plugged with the positioning device 2, a support back plate 8 is provided above the positioning device 2, a first cylinder 10 is provided above the support back plate 8, a mounting plate 9 is slidably provided at the lower end of the support back plate 8, an output end of the first cylinder 10 is connected to the mounting plate 9, a plurality of opening cylinders 11 for taking the O-rings are provided at the bottom of the mounting plate 9, and each of the opening cylinders 11 is sleeved with a ring unloading sleeve for unloading the O-rings 12, a driving assembly 7 for lifting the unloading ring sleeve 12 is provided on the mounting plate 9, and a front spreading rod 31, a rear spreading rod 32, a left spreading rod 33 and a right spreading rod 34 form a work station. When in use, first place a plurality of O-rings on the positioning plate 9 of the positioning device 2, start the lifting cylinders 22 on both sides to lower the positioning plate 21, and at this time, the spreading rods in different directions pass through the positioning plate 21, and each O-ring falls on the spreading rods in four directions, and then the second cylinders 51 of the first driving devices 5 on both sides push the first connecting rod 52, and the first connecting rod 52 drives the first movable plate 53 to move outward, thereby driving the front spreading rods 31, The rear spreading rod 32 moves outward, thereby realizing the front and rear spreading of the O-ring. At the same time, the third cylinder 41 of the second driving device 4 pushes the second connecting rod 43, and the second connecting rod 43 drives the second movable plate 42 to move outward, thereby driving the left spreading rod 33 and the right spreading rod 34 on the second movable plates 42 on both sides to move outward, thereby realizing the left and right spreading of the O-ring, so that the O-ring is evenly spread. After the O-ring is fully spread, the first cylinder 10 pushes the mounting plate 9 downward, and the mounting plate 9 moves downward with the spreading cylinder 11 and is inserted into the O-ring. Then the second cylinder 51 and the third cylinder 41 control the front spreading rod 31, the rear spreading rod 32, the left spreading rod 33 and the right The expansion rod 34 is retracted, so that the O-ring is inserted into the expansion cylinder 11, and then the first cylinder 10 starts to rise, and the expansion cylinder 11 rises with the O-ring, and the support back plate 8 is moved above the part where the O-ring needs to be installed through the three-axis slide rail on the machine tool. At this time, multiple O-rings are aligned with multiple parts respectively, and then the fourth cylinder 71 pushes the sliding frame 72 to move downward, and the sliding frame 72 moves downward with the ring removal sleeve 12, thereby pushing the O-ring out of the expansion cylinder 11 and installing it into the part. The whole process automatically completes the expansion, removal and installation of multiple O-rings at the same time, effectively improving work efficiency and reducing production costs to meet the existing mass production needs.

[0025] Specifically, the positioning device 2 includes a positioning plate 21 and two lifting cylinders 22. The two lifting cylinders 22 are respectively installed on both sides of the support platform 1. Both ends of the positioning plate 21 are connected to the output ends of the lifting cylinders 22 on both sides. A plurality of relief grooves for the through passage of the expanding assembly 3 are formed on the positioning plate 21. The positioning plate 21 is used for the preliminary positioning of the O-ring, and the lifting cylinder 22 is used to control the positioning plate 21 so that the O-ring can smoothly fall into the expanding rod.

[0026] Preferably, the expanding assembly 3 includes a plurality of front expanding rods 31, a plurality of rear expanding rods 32, a plurality of left expanding rods 33, and a plurality of right expanding rods 34. The front expanding rods 31, rear expanding rods 32, left expanding rods 33, and right expanding rods 34 are all movably inserted into the relief grooves. The bottom ends of the front expanding rods 31 and rear expanding rods 32 are both provided with a first driving device 5 for driving them to move outward. The bottom ends of the left expanding rods 33 and right expanding rods 34 are both provided with a second driving device 4 for driving them to move outward. Under the action of the first driving device 5 and the second driving device 4, the front expanding rods 31, rear expanding rods 32, left expanding rods 33, and right expanding rods 34 expand the O-ring from different directions, making the force on the O-ring more uniform.

[0027] Further, the first driving device 5 includes a second cylinder 51, a first connecting rod 52, and a first moving plate 53. The second cylinder 51 is installed at the bottom of the support platform 1. One end of the first connecting rod 52 is connected to the second cylinder 51, and the other end is connected to the first moving plate 53. A plurality of front expanding rods 31 and rear expanding rods 32 are respectively arranged on the first moving plates 53 on both sides. The second cylinder 51 pushes the first connecting rod 52, and the first connecting rod 52 drives the first moving plate 53 to move outward, thereby driving the front expanding rods 31 and rear expanding rods 32 on the first moving plates 53 on both sides to move outward, so as to realize the front-back expansion of the O-ring.

[0028] Further, the second driving device 4 includes a third cylinder 41, a second connecting rod 43, and a second moving plate 42. The third cylinder 41 is installed on one side of the support platform 1. One end of the second connecting rod 43 is connected to the third cylinder 41, and the other end is connected to the second moving plate 42. A plurality of left expanding rods 33 and a plurality of right expanding rods 34 are respectively arranged on the second moving plates 42 on both sides. The third cylinder 41 pushes the second connecting rod 43, and the second connecting rod 43 drives the second moving plate 42 to move outward, thereby driving the left expanding rods 33 and right expanding rods 34 on the second moving plates 42 on both sides to move outward, so as to realize the left-right expansion of the O-ring.

[0029] Further, first slide rails 14 are provided on both the left and right sides of the support platform 1. Both ends of the first moving plate 53 are respectively slidably connected to the first slide rails 14 on both sides, so that the first moving plate 53 moves more smoothly under the guidance of the first slide rails 14.

[0030] Further, second slide rails 15 are provided on both the front and rear sides of the support platform 1, and the second moving plate 42 is slidably mounted on the second slide rails 15, so that the first moving plate 42 moves more smoothly under the guidance of the first slide rails 15.

[0031] Further, the driving assembly 7 includes a fourth cylinder 71 and a sliding frame 72. The fourth cylinder 71 is installed at the upper end of the mounting plate 9. The output end of the fourth cylinder 71 is connected to the sliding frame 72. The fourth cylinder 71 is connected. The O-ring removal sleeve 12 is installed at the bottom of the sliding frame 72. The expanding cylinder 11 is movably inserted into the sliding frame 72. Then the fourth cylinder 71 pushes the sliding frame 72 to move downward. The sliding frame 72 drives the O-ring removal sleeve 12 to move downward, thereby pushing the O-ring to disengage from the expanding cylinder 11 and be installed into the part, effectively improving the production efficiency.

[0032] Further, the mounting plate 9 is of an L-shaped structure. Both sides of the bottom of the mounting plate 9 are slidably connected to the inner wall of the sliding frame 72 through guide rails 13, so that the sliding frame 72 is more stable when descending and ascending. A buffer device 6 is provided between the sliding frame 72 and the mounting plate 9. The buffer device 6 plays a buffering role when the sliding frame 72 descends.

[0033] Further, the buffer device 6 includes a first mounting block 63 and a second mounting block 64. The first mounting block 63 is installed on one side of the sliding frame 72. The second mounting block 64 is connected to the mounting plate 9. The first mounting block 63 is provided with a first limiting rod 61 and a buffer rod 62. The second mounting block 64 is provided with a second limiting rod 65 corresponding to the first limiting rod 61. The second mounting block 64 is provided with a support rod 66 corresponding to the buffer rod 62. When the sliding frame 72 descends, it drives the first mounting block 6 to descend. The first mounting block 6 drives the buffer rod 62 to descend. When the buffer rod 62 contacts the support rod 66, it plays a buffering role, effectively protecting the entire operating device. The height between the first limiting rod 61 and the second limiting rod 65 can be adjusted to play a limiting role.

[0034] When using an assembly mechanism of the present embodiment for simultaneously opening multiple O-rings, first place multiple O-rings on the positioning plate 9 of the positioning device 2, start the lifting cylinders 22 on both sides to lower the positioning plate 21, and at this time, the opening rods in different directions pass through the positioning plate 21, and each O-ring falls on the opening rods in four directions. Then, the second cylinders 51 of the first driving devices 5 on both sides push the first connecting rods 52, and the first connecting rods 52 drive the first movable plate 53 to move outward, thereby driving the front opening rods 31 and the rear opening rods 32 on the first movable plates 53 on both sides to move outward, thereby realizing the front and rear opening of the O-rings. At the same time, the third cylinder 41 of the second driving device 4 pushes the second connecting rod 43, and the second connecting rod 43 drives the second movable plate 42 to move outward, thereby driving the left opening rod 33 and the right opening rod 34 on the second movable plates 42 on both sides. The O-ring is then pushed outwards to open to the left and right, and the O-ring is evenly stretched. After the O-ring is fully stretched, the first cylinder 10 pushes the mounting plate 9 downwards, and the mounting plate 9 moves downwards with the stretching cylinder 11 to be inserted into the O-ring. Then the second cylinder 51 and the third cylinder 41 control the front stretching rod 31, the rear stretching rod 32, the left stretching rod 33 and the right stretching rod 34 to retract, so that the O-ring is inserted into the stretching cylinder 11. Then the first cylinder 10 starts to rise, and the stretching cylinder 11 rises with the O-ring, and the support back plate 8 is moved to the top of the part where the O-ring needs to be installed through the three-axis slide rail on the machine tool. At this time, multiple O-rings are aligned with multiple parts respectively, and then the fourth cylinder 71 pushes the sliding frame 72 downwards, and the sliding frame 72 moves downwards with the ring removal sleeve 12, thereby pushing the O-ring out of the stretching cylinder 11 and installing it in the part. The utility model provides an assembly mechanism for simultaneously expanding multiple O-rings. The entire process automatically completes the expansion, taking and installation of multiple O-rings at the same time, effectively improving work efficiency and reducing production costs to meet the needs of existing mass production.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An assembly mechanism for simultaneously opening multiple O-rings, characterized in that: The invention comprises a support platform (1), wherein a positioning device (2) for positioning an O-ring is provided on the top of the support platform (1), an opening assembly (3) for simultaneously opening a plurality of O-rings is provided between the positioning device (2) and the support platform (1), the opening end of the opening assembly (3) is movably plugged into the positioning device (2), a support back plate (8) is provided above the positioning device (2), a first cylinder (10) is provided above the support back plate (8), a mounting plate (9) is slidably provided at the lower end of the support back plate (8), the output end of the first cylinder (10) is connected to the mounting plate (9), a plurality of opening cylinders (11) for taking O-rings are provided at the bottom of the mounting plate (9), each of the opening cylinders (11) is provided with a ring unloading sleeve (12) for unloading the O-ring, and a driving assembly (7) for lifting and lowering the ring unloading sleeve (12) is provided on the mounting plate (9).

2. The assembly mechanism for simultaneously opening multiple O-rings according to claim 1, characterized in that: The positioning device (2) comprises a positioning plate (21) and two lifting cylinders (22). The two lifting cylinders (22) are respectively installed on both sides of the support platform (1). The two ends of the positioning plate (21) are connected to the output ends of the lifting cylinders (22) on both sides. The positioning plate (21) is provided with a plurality of clearance grooves for the support components (3) to pass through.

3. The assembly mechanism for simultaneously opening multiple O-rings according to claim 1, characterized in that: The expansion assembly (3) comprises a plurality of front expansion rods (31), a plurality of rear expansion rods (32), a plurality of left expansion rods (33) and a plurality of right expansion rods (34); the front expansion rods (31), the rear expansion rods (32), the left expansion rods (33) and the right expansion rods (34) are all movably connected to the clearance grooves; the bottom ends of the front expansion rods (31) and the rear expansion rods (32) are each provided with a first driving device (5) for driving them to move outwards; the bottom ends of the left expansion rods (33) and the right expansion rods (34) are each provided with a second driving device (4) for driving them to move outwards.

4. The assembly mechanism for simultaneously opening multiple O-rings according to claim 3, characterized in that: The first driving device (5) comprises a second cylinder (51), a first connecting rod (52) and a first movable plate (53); the second cylinder (51) is installed at the bottom of the support platform (1); one end of the first connecting rod (52) is connected to the second cylinder (51), and the other end is connected to the first movable plate (53); and a plurality of front spreading rods (31) and rear spreading rods (32) are respectively arranged on the first movable plates (53) on both sides.

5. The assembly mechanism for simultaneously opening multiple O-rings according to claim 3, characterized in that: The second driving device (4) comprises a third cylinder (41), a second connecting rod (43) and a second movable plate (42); the third cylinder (41) is installed on one side of the support platform (1); one end of the second connecting rod (43) is connected to the third cylinder (41), and the other end is connected to the second movable plate (42); a plurality of left spreading rods (33) and a plurality of right spreading rods (34) are respectively arranged on the second movable plates (42) on both sides.

6. The assembly mechanism for simultaneously opening multiple O-rings according to claim 4, characterized in that: The support platform (1) is provided with first slide rails (14) on both sides, and the two ends of the first movable plate (53) are respectively slidably connected to the first slide rails (14) on both sides.

7. The assembly mechanism for simultaneously opening multiple O-rings according to claim 5, characterized in that: The support platform (1) is provided with second slide rails (15) on both the front and rear sides, and the second movable plate (42) is slidably mounted on the second slide rails (15).

8. The assembly mechanism for simultaneously opening multiple O-rings according to claim 1, characterized in that: The driving assembly (7) comprises a fourth cylinder (71) and a sliding frame (72), wherein the fourth cylinder (71) is mounted on the upper end of the mounting plate (9), the output end of the fourth cylinder (71) is connected to the sliding frame (72), the fourth cylinder (71) is connected, the ring removal sleeve (12) is mounted on the bottom of the sliding frame (72), and the expansion cylinder (11) is movably connected to the sliding frame (72).

9. The assembly mechanism for simultaneously opening multiple O-rings according to claim 8, characterized in that: The mounting plate (9) is of L-shaped structure. Both sides of the bottom of the mounting plate (9) are slidably connected to the inner wall of the sliding frame (72) via guide rails (13). A buffer device (6) is provided between the sliding frame (72) and the mounting plate (9).

10. The assembly mechanism for simultaneously expanding multiple O-rings according to claim 9, characterized in that: The buffer device (6) comprises a first mounting block (63) and a second mounting block (64); the first mounting block (63) is mounted on one side of the sliding frame (72); the second mounting block (64) is connected to the mounting plate (9); the first mounting block (63) is provided with a first limiting rod (61) and a buffer rod (62); the second mounting block (64) is provided with a second limiting rod (65) corresponding to the first limiting rod (61); and the second mounting block (64) is provided with a supporting rod (66) corresponding to the buffer rod (62).

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