Oiling device for screw

Abstract

The utility model discloses an oil injection device for a screw, which comprises a rack, a clamping component used for clamping a nut in threaded connection with the screw is arranged on the rack, an oil injection component used for injecting oil to the tooth bottom of the screw is arranged on the rack, and a moving plate moving along the height direction of the rack is arranged on the rack. A rotating assembly used for driving the screw to rotate is arranged at the bottom of the moving plate, and a pressing assembly used for abutting against the screw is arranged at the top of the moving plate. The oil injection device has the advantages that a nut is clamped through the clamping assembly, the screw rod is driven to spirally ascend through the rotating assembly, and the oil injection assembly always injects oil to the tooth bottom of the screw rod in the spiral ascending process of the screw rod.

Description

Technical Field

[0001] The utility model belongs to the field of screw oiling, and in particular relates to a screw oiling device. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as their power source. Compared with conventional vehicle fuels, they are more environmentally friendly and are also the future development direction of automobiles.

[0003] In the electric power steering (EPS) system, the ball screw connects the electric power steering motor and the steering device. When the driver operates the steering wheel, the EPS system controls the electric power steering motor to output the corresponding torque based on the calculated optimal steering angle and force, and transmits the steering torque to the steering device through the ball screw to ensure stability and controllability.

[0004] Among them, the role of the screw is particularly important. In order to reduce friction, oil must be accurately applied to the bottom of the screw teeth to reduce friction. Utility Model Content

[0005] The utility model aims to provide an oil injection device for a screw.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A screw oil injection device comprises a frame, the frame is provided with a clamping assembly for clamping a nut threadedly connected to the screw, the frame is provided with an oil injection assembly for injecting oil into the bottom of the screw thread, the frame is provided with a movable plate that moves along the height direction of the frame, the bottom of the movable plate is provided with a rotating assembly for driving the screw to rotate, and the top of the movable plate is provided with a pressing assembly for pressing the screw.

[0008] Preferably, the frame is provided with a first guide rail along its height direction, the movable plate slides on the guide rail, the frame is provided with a first motor, the movable end of the first motor is coaxially provided with a lead screw, and the lead screw is provided with a nut connected with the movable plate.

[0009] Preferably, a first cylinder is disposed on the frame, and a scanner for scanning identification information on the screw is disposed at a movable end of the first cylinder.

[0010] Preferably, the clamping assembly includes a fixed plate arranged on the frame, a second guide rail is transversely arranged on the fixed plate, a sliding seat is arranged on the second guide rail, a clamping claw is arranged on the sliding seat, and a second cylinder for driving the sliding seat to move is arranged on the fixed plate.

[0011] Preferably, the rotating assembly comprises a second motor arranged at the bottom of the movable plate, a friction member is arranged at the movable end of the motor, and the end of the friction member is in the shape of a boss.

[0012] Preferably, the clamping assembly includes a slider arranged on the top of the movable plate, a third guide rail is slidably arranged on the slider, a support plate is arranged on the third guide rail, a third cylinder for driving the support plate to move is arranged on the movable plate, a fourth cylinder is arranged on the support plate, a pressure plate is arranged at the movable end of the fourth cylinder, a pressure head is arranged on the bottom surface of the pressure plate, and a sliding rod passing through the support plate is arranged on the pressure plate.

[0013] Preferably, the oil injection assembly includes a fourth guide rail arranged on both sides of the frame, a movable seat is slidably arranged on the fourth guide rail, a fifth cylinder for driving the movable seat to move is arranged on the frame, a connecting plate is arranged between the two movable seats, and a nozzle for oil injection is arranged on the connecting plate.

[0014] The beneficial effects of the utility model are as follows: the nut is clamped by the clamping claws, and the rotation of the rotating assembly is used to drive the screw to rotate, so that the screw rises in a spiral, and the spirally rising screw drives the clamping assembly to move upward, and the upward movement of the clamping assembly is synchronized with the rotating assembly, so that the rotating assembly also continues to move upward, and then continues to drive the screw to rotate, and the screw mechanism synchronously drives the moving plate to move upward, and the displacement of the rotating assembly is compensated, so that the screw always presents a uniform spiral rising state, and at the same time, the oil injection assembly accurately injects oil to the bottom of the screw teeth, with high automation, high efficiency and high precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a front view of the utility model.

[0017] Figure 3 yes Figure 2 A is an enlarged schematic diagram.

[0018] Figure 4 It is a structural schematic diagram of the frame in the utility model.

[0019] Figure 5 It is a rear view of the frame in the utility model.

[0020] Figure 6 It is a structural schematic diagram of the rotating component in the utility model.

[0021] Figure 7 It is a structural schematic diagram of the clamping assembly in the utility model.

[0022] Figure 8It is a structural schematic diagram of the oil injection assembly in the utility model.

[0023] Among them: frame 1, first guide rail 10, moving plate 11, first motor 12, screw 13, first cylinder 14, scanner 15, clamping assembly 16, fixed plate 161, second guide rail 162, sliding seat 163, clamping claw 164, second cylinder 165, rotating assembly 17, second motor 171, friction member 172, clamping assembly 18, slider 181, third guide rail 182, support plate 183, third cylinder 184, fourth cylinder 185, pressing plate 186, pressure head 187, sliding rod 188, oil injection assembly 19, fourth guide rail 191, moving seat 192, connecting plate 193, nozzle 194, fifth cylinder 195, screw 2, nut 3. DETAILED DESCRIPTION

[0024] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0025] like Figures 1 to 8 As shown, a screw oil injection device of the utility model comprises a frame 1, a clamping assembly 16 for clamping a nut 3 threadedly connected to a screw 2 is arranged on the frame, an oil injection assembly 19 for injecting oil into the thread bottom of the screw 2 is arranged on the frame 1, a moving plate 11 moving along the height direction of the frame 1 is arranged on the frame, a rotating assembly 17 for driving the screw 2 to rotate is arranged at the bottom of the moving plate 11, and a pressing assembly 18 for pressing the screw 2 is arranged at the top of the moving plate 11;

[0026] The clamping assembly 16 is used to clamp the nut 3 on the screw 2, and the rotating assembly 17 drives the screw 2 to rotate. Since the nut 3 is clamped by the clamping assembly 16, the screw 2 will spirally rise, and the clamping assembly 18 presses the screw 2, so that the screw 2 drives the clamping assembly 18 to rise during the spiral rising process. The clamping assembly 18 and the rotating assembly 17 are both connected to the moving plate 11, so that the rotating assembly 17 will also rise synchronously and continue to drive the screw 2 to rotate. After the position of the oil injection assembly 19 is adjusted, there is no need to move, and oil will be sprayed on the bottom of the screw 2 during the spiral rising process.

[0027] A first guide rail 10 is arranged on the frame 1 along its height direction, a movable plate 11 slides on the guide rail 10, a first motor 12 is arranged on the frame 1, a lead screw 13 is arranged coaxially with the movable end of the first motor 12, and a nut connected with the movable plate 11 is arranged on the lead screw 13;

[0028] The first motor 12 drives the moving plate 11 to move up and down through the screw rod 13 to adjust the position, and also compensates for the rise of the rotating component 17 to ensure the operation of the equipment.

[0029] A first cylinder 14 is disposed on the frame 1, and a scanner 15 for scanning identification information on the screw 2 is disposed at the movable end of the first cylinder 14;

[0030] The scanner 15 can identify the identification code on the screw 2 to determine the specifications of the screw 2, thereby controlling different operating programs through a computer to be suitable for screws 2 of different specifications. The first cylinder 14 can drive the scanner 15 to move up and down to scan the identification code on the screw 2.

[0031] The clamping assembly 16 includes a fixed plate 161 disposed on the frame, a second guide rail 162 is transversely disposed on the fixed plate 161, a sliding seat 163 is disposed on the second guide rail 162, a clamping claw 164 is disposed on the sliding seat 163, and a second cylinder 165 for driving the sliding seat 163 to move is disposed on the fixed plate 161;

[0032] The clamping jaw 164 clamps the nut, and the second cylinder 165 can control the horizontal movement of the sliding seat 163 to move the screw rod 2 to a position corresponding to the rotating assembly 17.

[0033] The rotating assembly 17 includes a second motor 171 disposed at the bottom of the moving plate 11. A friction member 172 is disposed at the movable end of the motor 171. The end of the friction member 172 is in the shape of a boss.

[0034] The second motor 171 drives the friction member 172 to rotate, and the friction member 172 drives the screw rod 2 to rotate through the friction force.

[0035] The clamping assembly 18 includes a slider 181 disposed on the top of the moving plate 11, a third guide rail 182 is slidably disposed on the slider 181, a support plate 183 is disposed on the third guide rail 182, a third cylinder 184 for driving the support plate 183 to move is disposed on the moving plate 11, a fourth cylinder 185 is disposed on the support plate 183, a pressing plate 186 is disposed at the movable end of the fourth cylinder 185, a pressing head 187 is disposed on the bottom surface of the pressing plate 186, and a sliding rod 188 penetrating the support plate 183 is disposed on the pressing plate 186;

[0036] The fourth cylinder 185 drives the pressure head 187 to press the screw 2, and the third cylinder 184 drives the support plate 183 to move forward and backward. When the screw 2 is loading, the movable end of the third cylinder 184 retracts to drive the support plate 183, the fourth cylinder 185, the pressure head 187, etc. to move backward to facilitate loading. After loading is completed, the movable end of the third cylinder 184 extends out so that the position of the pressure head 187 corresponds to the position of the screw 2.

[0037] The oil injection assembly 19 includes a fourth guide rail 191 disposed on both sides of the frame 1, a moving seat 192 is slidably disposed on the fourth guide rail 191, a fifth cylinder 195 for driving the moving seat 192 to move is disposed on the frame 1, a connecting plate 193 is disposed between the two moving seats 195, and a nozzle 194 for oil injection is disposed on the connecting plate 193;

[0038] For screws 2 of different specifications, the position of the nozzle 194 needs to be adjusted by the fifth cylinder 195, and the position of the nozzle 194 can also be fine-tuned.

[0039] Working principle: When in use, the mechanical arm clamps the screw 2 with the nut 3 to the clamping jaw 164, and then the clamping jaw 164 clamps the nut 3, and then the first cylinder 14 drives the clamping jaw 164 to move so that the screw 2 is displaced to the position corresponding to the rotating component 17;

[0040] Then the first motor 12 rotates to drive the moving plate 11 upward so that the rotating assembly 17 abuts against the bottom of the screw 2, and then the movable end of the third cylinder 184 extends to drive the support plate 183 forward so that the pressure head 187 corresponds to the position of the screw 2, and then the movable end of the fourth cylinder 185 extends to drive the pressure head 187 downward to press the screw 2;

[0041] Then the second motor 171 starts and drives the screw 2 to rotate through the friction member 172, and the nozzle 194 sprays oil to the bottom of the screw 2. At the same time, the first motor 12 also rotates, driving the moving plate 11 to move upward to compensate the displacement of the rotating component 17.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0043] In addition, it should be understood that although the present 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 embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A screw oil injection device, characterized in that: The invention comprises a frame, on which is provided a clamping assembly for clamping a nut threadedly connected to a screw rod, on which is provided an oil injection assembly for injecting oil into the thread bottom of the screw rod, on which is provided a movable plate for moving along the height direction of the frame, on which is provided a rotating assembly for driving the screw rod to rotate, and on which is provided a pressing assembly for pressing the screw rod at the top of the movable plate.

2. The screw oil injection device according to claim 1, characterized in that: The frame is provided with a first guide rail along its height direction, the movable plate slides on the guide rail, the frame is provided with a first motor, the movable end of the first motor is provided with a lead screw for coaxial transmission, and the lead screw is provided with a nut connected with the movable plate.

3. The screw oil injection device according to claim 1, characterized in that: The frame is provided with a first cylinder, and a scanner for scanning identification information on the screw is provided at a movable end of the first cylinder.

4. The screw oil injection device according to claim 1, characterized in that: The clamping assembly includes a fixed plate arranged on the frame, a second guide rail is transversely arranged on the fixed plate, a sliding seat is arranged on the second guide rail, a clamping claw is arranged on the sliding seat, and a second cylinder for driving the sliding seat to move is arranged on the fixed plate.

5. The screw oil injection device according to claim 1, characterized in that: The rotating assembly comprises a second motor arranged at the bottom of the moving plate, a friction piece is arranged at the movable end of the motor, and the end of the friction piece is in the shape of a boss.

6. The screw oil injection device according to claim 1, characterized in that: The clamping assembly includes a slider arranged on the top of the movable plate, a third guide rail is slidably arranged on the slider, a support plate is arranged on the third guide rail, a third cylinder for driving the support plate to move is arranged on the movable plate, a fourth cylinder is arranged on the support plate, a pressure plate is arranged at the movable end of the fourth cylinder, a pressure head is arranged on the bottom surface of the pressure plate, and a sliding rod passing through the support plate is arranged on the pressure plate.

7. The screw oil injection device according to claim 1, characterized in that: The oil injection assembly includes a fourth guide rail arranged on both sides of the frame, a moving seat is slidably arranged on the fourth guide rail, a fifth cylinder for driving the moving seat to move is arranged on the frame, a connecting plate is arranged between the two moving seats, and a nozzle for oil injection is arranged on the connecting plate.

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