CN109894852B - Hydraulic cylinder earring assembly quality - Google Patents

Abstract

The invention provides a hydraulic cylinder earring assembly device, comprising an earring, a hydraulic cylinder, a pressure cylinder base, a worm gear base, a first clamp, a second clamp, a horizontal guide rail, a wind gun, a screw rod, a worm, and a worm wheel; the The hydraulic cylinder base is provided with a horizontal guide rail and a screw rod; the second clamp is movably connected with the screw rod, and can move along the horizontal guide rail through the rotation of the screw rod; the worm wheel base is fixedly connected with one end of the hydraulic cylinder base , which has a built-in worm wheel, and the worm wheel is fixedly connected with the first clamp through the worm wheel shaft; the first clamp is used to clamp the earring, and the second clamp is used to place the hydraulic cylinder; the present invention drives the worm wheel and worm to rotate through the air gun , so that the first clamp drives the earring to rotate, and the motor controls the feed of the second clamp, so that the earring is screwed to the piston rod of the hydraulic cylinder of the second clamp, instead of the manual assembly procedure, which can be repeated in batches Operation, improve work efficiency, simple structure, easy to use and strong practicability.

Description

A hydraulic cylinder earring assembly device

technical field

The invention belongs to the field of machinery, in particular to a hydraulic cylinder earring assembling device.

Background technique

Because of its high horsepower and high safety factor, hydraulic cylinders are widely used in steel mills and other fields. In steel mills, the hydraulic cylinder is generally connected with the transmission parts and prime movers by means of earrings, and the force and torque are transmitted through the earrings. Hydraulic cylinders are generally used in heavy-duty conditions, so the threaded connection between the earrings and the piston rod of the hydraulic cylinder must also be firm to prevent falling off.

At present, the assembly between the hydraulic cylinder and the earrings is mainly done manually. For large hydraulic cylinders, the hydraulic cylinder is pulled into a vertical state by the overhead crane. The safety factor is low and the efficiency is low; for small and medium-sized hydraulic cylinders, the earrings are mainly screwed on with tools, but the mobility of workshop personnel is large, and the tools are easy to lose, reducing work efficiency. Therefore, there is an urgent need for a simple, efficient and safe way to assemble the hydraulic cylinder and the earring together.

SUMMARY OF THE INVENTION

In view of the problems existing in the background art, the present invention provides a hydraulic cylinder earring assembling device, which can be operated simply, efficiently and safely to screw the earring to the piston rod of the hydraulic cylinder.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A hydraulic cylinder earring assembly device, comprising earrings, a hydraulic cylinder, a hydraulic cylinder base, a worm gear and worm base, a first clamp, a second clamp, a horizontal guide rail, a wind gun, a screw rod, a worm, and a worm wheel; the hydraulic The cylinder base is provided with a horizontal guide rail and a screw rod; the second clamp is movably connected with the screw rod, and can move along the horizontal guide rail through the rotation of the screw rod; the worm wheel base is fixedly connected with one end of the hydraulic cylinder base, It has a built-in worm wheel, and the worm wheel is fixedly connected with the first clamp through the worm wheel shaft; the first clamp is used to clamp the earring, and the second clamp is used to place the hydraulic cylinder; the worm penetrates the worm base and the worm wheel. connection; the air cannon is connected with one end of the worm, and the worm and the worm wheel are driven to rotate through the rotation of the air cannon.

The base of the worm wheel and worm is a cavity structure, and the worm wheel is placed in the cavity; the lower part of the side wall of the cavity is provided with an oil inlet and outlet port, and the upper end face of the cavity is provided with an oil inspection port.

The worm penetrates the side wall of the cavity of the worm gear and worm base, and is connected with the side wall of the cavity through a worm bearing; one end of the worm is connected with the air gun through a spline, and the other end is provided with a worm end cover. End caps may be secured to the side walls of the cavity.

The lubricating oil is built in the cavity of the worm base, and the height of the lubricating oil is immersed in 1/4~1/3 of the height of the worm gear.

The worm gear shaft runs through the center of the worm gear and is connected to the side wall of the cavity through a worm gear bearing. One end of the worm gear shaft is provided with a worm gear end cover, which can be fixed on the side wall of the cavity, and the other end is connected to the first clamp. Fixed connection; the worm gear shaft is in a vertical relationship with the worm.

The first clamp includes a handle, a fixed component, and a moving component; the handle is connected with the internal threaded holes of the fixed component and the moving component through an external thread, the fixed component is fixed on the frame, and the moving component can be moved along the machine. The rail grooves on the rack move relative to the stationary assembly.

The fixed component and the moving component are coated with a wear-resistant rubber layer.

The upper end of the second clamp is provided with a V-shaped groove with an upward opening, and its side is provided with a threaded hole. The threaded hole is matched and connected with a screw rod. One end is connected to the motor.

The V-shaped groove is coated with a wear-resistant rubber layer.

It also includes a compressed air tank, which is connected with the air gun through a conduit.

Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention drives the worm gear and worm to rotate through the wind cannon, so that the first clamp drives the earring to rotate, and the motor controls the feed of the second clamp, so that the earring is screwed to the On the piston rod of the hydraulic cylinder of the second clamp, instead of the manual assembly procedure, the operation can be repeated in batches and the work efficiency is improved. The present invention does not need to pull the hydraulic cylinder into a vertical state by the crane, but only places it horizontally on the second fixture, and relies on its own gravity and the frictional force generated by the wear-resistant rubber layer on the second fixture to cooperate with the earring to complete the assembly. The invention determines the tightening degree of the earring and the piston rod of the hydraulic cylinder by controlling the feed amount of the earring and the hydraulic cylinder assembly by the motor, so that the tightening degree of the same batch is consistent and meets the requirements of the safety factor, thereby reducing the workload of the quality inspection department .

Description of drawings

Figure 1 is a schematic structural diagram of the present invention;

2 is a schematic diagram of the cross-sectional structure of the worm gear A-A of the present invention;

3 is a schematic view of the D-D cross-sectional structure of the worm gear of the present invention;

4 is a schematic structural diagram of the first clamp of the present invention;

5 is a schematic structural diagram of the second fixture of the present invention;

Among them, 1-hydraulic cylinder base, 2-worm gear base, 3-first clamp, 4-earring, 5-second clamp, 6-hydraulic cylinder, 7-motor, 8-air gun, 9-screw , 10—compressed air tank, 11—worm, 12—spline, 13—worm gear, 14—oil inlet and outlet, 15—frame, 16—oil port, 17—worm bearing, 18—worm end cover, 19— Lubricating oil, 20—worm gear bearing, 21—worm gear end cover, 22—sleeve, 23—worm gear shaft, 24—fixed component, 25—handle, 26—moving component, 27—wear-resistant rubber layer, 28—V-groove , 29 - thread, 30 - threaded hole, 31 - groove.

Detailed ways

The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

Embodiment 1:

As shown in FIG. 1 , the present invention includes earrings 4, hydraulic cylinders 6, hydraulic cylinder bases 1, worm gear bases 2, first clamps 3, second clamps 5, horizontal guide rails, air guns 8, and screw rods. 9. The worm 11 and the worm wheel 13; the hydraulic cylinder base 1 is provided with a horizontal guide rail and a screw rod 9; 2 is fixedly connected with one end of the hydraulic cylinder base 1, which has a built-in worm wheel 13, and the worm wheel 13 is fixedly connected with the first fixture 3 through the worm wheel shaft 23; the first fixture 3 is used for clamping the earring 4, and the second fixture 5 is used for placing The hydraulic cylinder 6; the worm 11 is connected to the worm wheel 13 through the worm base 2; the air gun 8 is connected to one end of the worm 11, and the rotation of the air gun 8 drives the worm 11 and the worm wheel 13 to rotate.

As shown in FIG. 2 , the worm wheel and worm base 2 is a cavity structure, and the worm wheel 13 is placed in the cavity; the lower part of the side wall of the cavity is provided with an oil inlet and outlet port 14, and its upper end face is provided with a peeping oil port 16. The oil port is used to observe the connection between the gear of the worm gear 13 and the gear of the worm 11 in the cavity.

The worm 11 penetrates the side wall of the cavity of the worm wheel base 2 and is connected to the side wall of the cavity through the worm bearing 17 . One end of the worm 11 is connected with the air gun 8 through a spline 12, and the other end is provided with a worm end cover 18, which can be fixed on the side wall of the cavity.

The lubricating oil 19 is built in the cavity of the worm gear base 2 , and the lubricating oil directly submerges 1/4~1/3 of the diameter of the worm gear 13 . The lubricating oil is K-TB/P 320 Kuroda lubricating oil, which provides lubrication for the worm gear 13 and the worm shaft 11.

As shown in FIG. 3 , the worm gear shaft 23 runs through the center of the worm gear 13 and is connected to the side wall of the cavity through the worm gear bearing 20 . One end of the worm gear shaft 23 is provided with a worm gear end cover 21 , and the worm gear end cover 21 can be fixed on the side wall of the cavity. , the other end of which is fixedly connected with the first clamp 3 . The worm gear shaft 23 is in a vertical relationship with the worm 11 .

As shown in FIG. 4 , the first clamp 3 includes a handle 25 , a fixed component 24 , and a moving component 26 ; the outer surface of the handle 25 is provided with an external thread, and is connected with the internal thread holes of the fixed component 24 and the mobile component 26 through the external thread. , the fixed component 24 is fixed on the frame 15 , and the moving component 26 can move relative to the fixed component 24 along the guide rail groove on the frame 15 . Rotating the handle 25 can make the moving assembly 26 move along the guide rail grooves on the frame, so that the operation of clamping or loosening the fixed assembly 24 and the earrings 4 of the moving assembly 26 can be completed.

The fixed component 24 and the moving component 26 are coated with a wear-resistant rubber layer 27 .

As shown in FIG. 5 , the upper end of the second clamp 5 is provided with a V-shaped groove 28 with an upward opening, and its side is provided with a threaded hole. The threaded hole is cooperatively connected with the screw rod 9, and one end of the screw rod 9 is connected to the worm gear through a bearing. On the base 2 , the other end is connected to the motor 7 . The threaded hole is composed of two semicircles 30 with internal threads, and one of the semicircles with internal threads is arranged on the side of the second fixture 5 . When the groove 31 under the horizontal end surface of the second clamp 5 is matched and connected with the horizontal guide rail on the hydraulic cylinder base 1, a semicircle 30 with internal thread on its side is matched with the lead screw 9, and then covered with Another semicircle 30 with internal threads is fixed with bolts to form threaded holes, so that the rotation of the lead screw 9 drives the second clamp 5 to move on the horizontal guide rail.

The V-shaped groove 28 is coated with a wear-resistant rubber layer 27 . The wear-resistant rubber can be JYD-001 Junyuanda brand.

A compressed air tank 10 is also included, and the compressed air tank 10 is connected with the air gun 8 through a conduit.

Principle of use: the compressed air tank 10 is connected with the air gun 8 through the conduit, the other end of the air gun 8 is connected with one end of the worm 11 through the spline 12, and the worm 11 penetrates the side wall of the cavity of the worm wheel and worm base 2, and passes through the worm. The bearing 17 is installed on the side wall of the cavity of the worm gear base 2, and the other end of the worm 11 is provided with a worm end cover 18, which is installed on the side wall of the cavity. The cavity of the worm wheel base 2 is provided with a worm wheel 13, the worm wheel 13 is meshed with the worm wheel 11, and the worm wheel shaft 23 runs through the center of the worm wheel 13, and is installed on the side wall of the cavity of the worm wheel and worm base 2 through the worm wheel bearing 20. One end of the worm gear shaft 23 is provided with a worm gear end cover 21, the worm gear end cover 21 is installed on the side wall of the cavity, and the other end of the worm gear shaft 23 is sleeved with a sleeve 22, which is embedded in the worm gear bearing 20 through the sleeve 22, It is fixedly connected with the frame 15 of the first clamp 3 . The worm gear shaft 23 and the worm 11 form an angle of 90 degrees, and the worm gear shaft 23 is horizontal to the horizontal guide rail. The compressed air tank 10 provides power to drive the air gun 8 to rotate, through the worm wheel 13 and the worm 11, thereby driving the first fixture 3 to rotate, and the connection between the worm wheel 13 and the worm 11 is used to reduce the speed of the earring 4.

The earring 4 is placed between the fixed component 24 and the moving component 26. When the earring 4 is fixed, by moving its vertical height, the centerlines of the earring 4 and the hydraulic cylinder 6 are overlapped. Grind the rubber layer 27 and adjust the handle 25 so that the moving assembly 26 moves relative to the fixed assembly 24 along the guide rail groove on the frame 15 , so as to clamp the earring 4 .

The horizontal end surface of the second clamp 5 is provided with a V-shaped groove 28 , the V-shaped groove 28 is coated with a wear-resistant rubber layer 27 , and a groove 31 is formed under the horizontal end surface of the V-shaped groove 28 . The guide rails are connected with each other. The side of the second clamp 5 is provided with a threaded hole 30, the threaded hole 30 is cooperatively connected with the screw rod 9, and one end of the screw rod 9 is provided with a motor 7, and the rotation of the motor 7 drives the screw rod 9 to rotate, thereby driving the second clamp 5. Move along horizontal rails. The number of the second clamps 5 is not less than two. The hydraulic cylinder 6 can be placed horizontally in the V-shaped groove 28 of the second fixture 5, and the frictional force is generated by its own gravity and the wear-resistant rubber layer 27 coated on the V-shaped groove 28 to prevent the hydraulic cylinder 6 from slipping. The motor is a YX3 type high-efficiency three-phase asynchronous motor.

The rotation of the motor 7 makes the hydraulic cylinder 6 on the second fixture 5 move to the earring 4 of the first fixture 3, and the thread 29 on the piston rod of the hydraulic cylinder 6 is matched with the earring 4 to connect, and the rotation of the first fixture 3, During the feeding process of the second clamp 5, the earrings 4 are screwed on the hydraulic cylinder 6 and assembled together.

When the tightening degree of the earring 4 and the hydraulic cylinder 6 meets the requirements of the safety factor, the feeding amount of the second fixture 5 is recorded, so as to grasp the distance that the hydraulic cylinder 6 needs to move during the assembly process of the same batch.

The protection scope of the present invention is not limited to the above-mentioned embodiments. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the scope and spirit of the present invention. If these changes and modifications belong to the scope of the claims of the present invention and their equivalents, the present invention is intended to include these changes and modifications.

Claims (9)

1. A hydraulic cylinder earring assembly device, comprising an earring (4), a hydraulic cylinder (6), and characterized in that: further comprising a hydraulic cylinder base (1), a worm gear base (2), a first clamp (3) , a second clamp (5), a horizontal guide rail, an air gun (8), a screw rod (9), a worm (11), and a worm wheel (13); the hydraulic cylinder base (1) is provided with a horizontal guide rail, a screw rod ( 9); the second clamp (5) is movably connected with the screw (9), which can move along the horizontal guide rail through the rotation of the screw (9); the worm gear base (2) is connected to the hydraulic cylinder base ( One end of 1) is fixedly connected, it has a built-in worm gear (13), the worm gear (13) is fixedly connected to the first clamp (3) through the worm gear shaft (23); the first clamp (3) is used to clamp the earrings (4) The second clamp (5) is used to place the hydraulic cylinder (6); the worm (11) is connected to the worm gear (13) through the worm gear base (2); the air gun (8) is connected to the worm gear (13). One end of the worm (11) is connected, and the rotation of the air gun (8) drives the worm (11) and the worm wheel (13) to rotate; the first clamp (3) includes a handle (25), a fixed component (24), and a moving component (26); the handle (25) is matched and connected to the inner threaded holes of the fixing component (24) and the moving component (26) through an external thread, and the fixing component (24) is fixed on the frame (15), and the The moving assembly (26) can move relative to the fixed assembly (24) along the guide rail grooves on the rack. 2. A hydraulic cylinder earring assembly device according to claim 1, characterized in that: the worm gear and worm base (2) is a cavity structure, and the worm gear (13) is placed in the cavity; The lower part of the side wall of the cavity is provided with an oil inlet and outlet port (14), and the upper end face thereof is provided with an oil inspection port (16). 3. A hydraulic cylinder earring assembly device according to claim 2, characterized in that: the worm (11) penetrates through the side wall of the cavity of the worm wheel base (2), and is connected to the hollow through the worm bearing (17). The side wall of the cavity is connected; one end of the worm (11) is connected with the air gun (8) through the spline (12), and the other end is provided with a worm end cover (18), which can be fixed on the on the side walls of the cavity. 4. A hydraulic cylinder earring assembly device according to any one of claims 1-3, characterized in that: lubricating oil (19) is built in the cavity of the worm gear base (2), and the lubricating oil The height is 1/4~1/3 of the height of the submerged worm gear (13). 5. A hydraulic cylinder earring assembly device according to claim 3, characterized in that: the worm gear shaft (23) runs through the center of the worm gear (13), and is connected to the side wall of the cavity through the worm gear bearing (20), One end is provided with a worm gear end cover (21), the worm gear end cover (21) can be fixed on the side wall of the cavity, and the other end is fixedly connected with the first clamp (3); the worm gear shaft (23) is connected to the The worm (11) is in a vertical relationship. 6. A hydraulic cylinder earring assembly device according to claim 1 or 5, characterized in that: the fixed component (24) and the moving component (26) are coated with a wear-resistant rubber layer (27). 7. A hydraulic cylinder earring assembly device according to claim 1, characterized in that: the upper end of the second clamp (5) is provided with a V-shaped groove (28) with an upward opening, and a threaded hole is provided on the side thereof, The threaded hole is matched and connected with a lead screw (9), one end of the lead screw (9) is connected to the worm wheel base (2) through a bearing, and the other end is connected to the motor (7). 8 . The hydraulic cylinder earring assembly device according to claim 7 , wherein the V-shaped groove ( 28 ) is coated with a wear-resistant rubber layer ( 27 ). 9 . 9. A hydraulic cylinder earring assembling device according to claim 1, 5 or 8, characterized in that: it further comprises a compressed air tank (10), and the compressed air tank (10) is connected to an air gun (10) through a conduit. 8) Connect.

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