An automatic loading and unloading device for automobile steering wheel production

Abstract

The utility model relates to the field of automobile manufacturing technology, in particular to an automatic loading and unloading device for automobile steering wheel production. The technical problem is that the processing of steering wheels by manual loading has high labor cost and low efficiency. The technical solution is that an automatic loading and unloading device for automobile steering wheel production comprises a frame, a protective frame, a manual loading position, a sprocket transmission track, a bottom supporting mechanism, an in-position sensing mechanism, a positioning component, a mechanical clamping claw component, a material picking position, and a material placing position. The mechanical clamping claw component is installed on a truss track and reciprocates between the loading and unloading device and a steering wheel processing area. The utility model arranges a mechanical clamping claw component between a loading area and a processing area of ​​the automobile steering wheel, cooperates with the sprocket transmission track, and replaces manual labor to transfer the steering wheel from the loading area to the processing area, so that the processing efficiency is higher, the personnel management and labor input costs are reduced, and the problem of high labor cost and low efficiency in the processing of steering wheels by manual loading is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile manufacturing, in particular to an automatic loading and unloading device for producing automobile steering wheels. Background Art

[0002] The steering wheels for the same type of cars are the same or similar in specifications, so the processing and production volume of steering wheels of the same specifications is huge. During production, a large number of workers must be arranged to work continuously, and the steering wheels must be taken to the designated location for processing through manual loading.

[0003] The above manual processing of steering wheels has high labor costs, and because workers perform mechanical repetitive operations for a long time, it is easy to cause manual fatigue, low efficiency, insufficient production line utilization, and difficulty in personnel management.

[0004] Therefore, in view of the high labor cost and low efficiency of manual loading in the processing of the above-mentioned steering wheel, a robot can be designed to automatically load and unload materials instead of manual labor, a reasonable operation path of the robot can be planned, and automated induction processing of loading and unloading can be coordinated to achieve low labor cost operation of steering wheel processing and production. Utility Model Content

[0005] In order to overcome the problems of high labor cost and low efficiency in manual loading during steering wheel processing.

[0006] The technical scheme of the utility model is: an automatic loading and unloading device for automobile steering wheel production, comprising a frame, a guard frame, a manual loading position, a sprocket drive track, a bottom supporting mechanism, an in-position sensing mechanism, a positioning assembly, a mechanical clamping claw assembly, a material picking position, and a material discharging position; the guard frame is fixedly mounted on the upper end of the frame and the middle of the front end is an open structure connected with the steering wheel processing area, a material picking position and a material discharging position are respectively arranged on the left and right of the open structure, a manual loading position is arranged in the middle of the rear end of the guard frame, a sprocket drive track is installed on the top surface of the frame, a motor group for driving the sprocket drive track to operate is installed at the lower end of the frame, a plurality of continuously arranged bottom supporting mechanisms are connected to the sprocket drive track by pulley rolling, a laser sensor is arranged on the bottom supporting mechanism, a plurality of steering wheels are longitudinally stacked on the bottom supporting mechanism, in-position sensing mechanisms and positioning assemblies are arranged at the material picking position and the material discharging position, a truss track is arranged between the loading and unloading device and the steering wheel processing area, and a mechanical clamping claw assembly for reciprocating and cyclically moving between the loading and unloading device and the steering wheel processing area is installed on the truss track.

[0007] Preferably, a worker places and stacks the steering wheels on a bottom supporting mechanism at the manual loading position, and a laser sensor arranged on the bottom supporting mechanism identifies whether the number of placed steering wheels meets the standard. The sprocket drive track runs to drive the bottom supporting mechanism with the placed steering wheels to move to the picking position. At this time, there is an empty bottom supporting mechanism at the adjacent discharge position. The in-position sensing mechanism identifies that the bottom supporting mechanism with the steering wheel is in place, and the positioning component is started to lock the bottom supporting mechanisms on the picking position and the discharge position. The sprocket drive track stops running, and the mechanical gripper assembly moves along the truss track. , take out the top steering wheel from the waiting area to the material picking position, then move it to the processing area 1 for processing, reset the mechanical gripper assembly, move it to the material picking position again to take out the second steering wheel, and move it to the processing area 2 for processing. During the reset process, take out the processed steering wheel in the processing area 1 and move it to the bottom supporting mechanism on the material discharge position, then move it to the material picking position to take the steering wheel, and repeat the cycle in sequence. When the bottom supporting mechanism on the material discharge position is full, the sprocket drive track starts again, and the processed steering wheel is transferred to the manual loading position for the worker to take out the steering wheel.

[0008] Preferably, the sprocket drive track is a circular track and a chain is arranged on the track, and gear groups meshing with the transmission chain are arranged on the left and right sides of the circular track. The motor group at the lower end of the frame drives the gear group to rotate and drive the chain transmission. The sprocket drive track operates during the loading process to transport the bottom support mechanism with the steering wheel and the adjacent empty bottom support mechanism to the picking position and the discharge position. During the processing, the sprocket drive track stops running so that the mechanical clamp assembly can transfer the processed steering wheel from the processing area to the discharge position. After all the steering wheels on the bottom support mechanism at a picking position are processed, the sprocket drive track operates again.

[0009] Preferably, the bottom supporting mechanism includes a pallet, a bracket, and a copper sleeve; two bottom supporting mechanisms are provided at the manual loading position, and one bottom supporting mechanism is provided at the material taking position and the material discharging position respectively. The pallet is above the sprocket drive track, the pallet is a double-layer structure and has a pulley rolling on the chain at the lower part, the pallet is manually marked and numbered and provided with pin holes, four groups of brackets for supporting and positioning the steering wheel are fixedly installed on the upper end of the pallet, and a copper sleeve is provided between the double-layer structure of the pallet. The pallet serves as a supporting structure, and when the steering wheels are stacked, the brackets are supported within the rims of the steering wheels to limit the movement of the steering wheels. The steering wheels placed on the pallet are detected by laser irradiation. When the steering wheels reach a preset number, the pallet moves to the next process.

[0010] Preferably, the in-place sensing mechanism includes a column and an in-place sensor; the column is fixedly mounted on the upper end of the frame and is respectively located on the rear side of the material picking position and the material discharge position, and the column is equipped with an in-place sensor for identifying the position of the bottom supporting mechanism through photoelectric sensing. After the bottom supporting mechanism with the steering wheel is moved to the material picking position, the in-place sensor recognizes the signal and sends it to the control unit of the sprocket drive track, and the sprocket drive track stops moving, so that the bottom supporting mechanism with the steering wheel remains stable.

[0011] Preferably, the positioning assembly includes a positioning cylinder and a positioning pin; there are two groups of positioning cylinders and they are respectively installed in front of the material picking position and the material discharging position; the positioning pins are fixedly connected to the power output element of the positioning cylinder; the two positioning pins are driven by the positioning cylinder to insert into the pin holes on the two pallets at the material picking position and the material discharging position respectively and lock the pallets on the sprocket drive track; when the bottom support mechanism with the steering wheel is at the material picking position, the positioning cylinder is immediately started to control the positioning pins to be inserted into the corresponding pin holes, and the corresponding bottom support mechanism is completely locked to ensure that no shaking or instability occurs during the loading process.

[0012] Preferably, the mechanical gripper assembly includes a driving cylinder, a stand, and a claw; the driving cylinder is fixedly mounted on a rail trolley running along the truss track, a stand is mounted at the lower end of the power output element of the driving cylinder, two claws controlled to extend and retract by a linear drive module are mounted on the stand, a hook structure adapted to the outer edge of the steering wheel is provided at the lower end of the claw, the driving cylinder controls the stand and the claw to rise and fall vertically, controls the claw to reach the topmost steering wheel at the material picking position, the linear drive module controls the claws to move towards each other, and the hook structure hooks the steering wheel rim.

[0013] Preferably, a proximity sensor is installed on the upper end of the platform for identifying the height of the steering wheel on the bottom supporting mechanism through photoelectric sensing. The claw and the proximity sensor are at the same horizontal height. The hook portion of the claw is covered with a rubber pad. The proximity sensor plays the role of sending start and stop signals during the operation of the driving cylinder. When the claw moves to the topmost steering wheel, the proximity sensor identifies the steering wheel and the driving cylinder stops running.

[0014] Beneficial effects of the utility model:

[0015] 1. By setting a mechanical gripper assembly between the loading area and the processing area of ​​the automobile steering wheel and cooperating with the sprocket drive track, the steering wheel is transferred from the loading area to the processing area instead of manually, which makes the processing more efficient and reduces the personnel management and labor input costs;

[0016] 2. Through the laser sensor installed on the bottom supporting mechanism, when the steering wheels are manually stacked on the bottom supporting mechanism, the bottom supporting mechanism can be automatically transferred to the next process at the moment when the steering wheels are fully stacked;

[0017] 3. Through the reciprocating movement of the mechanical gripper assembly and the reasonable layout of the truss track route, one loading area can cooperate with multiple processing areas to carry out continuous loading and processing operations, greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure shows a three-dimensional structure diagram of an automatic loading and unloading device for automobile steering wheel production of the utility model;

[0019] Figure 2 The front structure schematic diagram of the automatic loading and unloading device for automobile steering wheel production of the utility model is shown;

[0020] Figure 3 The following is a schematic diagram of the structure of the automatic loading and unloading device for automobile steering wheel production of the utility model from a top view;

[0021] Figure 4 The figure shows a schematic diagram of the side view of the automatic loading and unloading device for automobile steering wheel production of the utility model;

[0022] Figure 5 The diagram shows an enlarged three-dimensional structure of the details of the bottom supporting mechanism of the automatic loading and unloading device for automobile steering wheel production of the utility model;

[0023] Figure 6 The diagram shows an enlarged three-dimensional structure of the details of the in-position sensing mechanism of the automatic loading and unloading device for automobile steering wheel production of the utility model;

[0024] Figure 7 The following is a schematic diagram of the enlarged three-dimensional structure of the positioning assembly of the automatic loading and unloading device for automobile steering wheel production of the utility model;

[0025] Figure 8 Shown is a three-dimensional structural schematic diagram of a mechanical clamping jaw assembly of an automatic loading and unloading device for automobile steering wheel production according to the utility model.

[0026] Explanation of the reference numerals: 1. Frame; 2. Guard frame; 3. Manual loading position; 4. Sprocket drive track; 5. Bottom supporting mechanism; 6. In-position sensing mechanism; 7. Positioning assembly; 8. Mechanical clamp assembly; 9. Material picking position; 10. Material discharge position; 501. Pallet; 502. Bracket; 503. Copper sleeve; 601. Column; 602. In-position sensor; 701. Positioning cylinder; 702. Positioning pin; 801. Driving cylinder; 802. Stand; 803. Claw; 804. Proximity sensor. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figure 1-4The utility model provides an embodiment: an automatic loading and unloading device for automobile steering wheel production, comprising a frame 1, a guard frame 2, a manual loading position 3, a sprocket drive track 4, a bottom supporting mechanism 5, an in-position sensing mechanism 6, a positioning component 7, a mechanical clamping claw component 8, a material taking position 9, and a material discharge position 10; the guard frame 2 is fixedly mounted on the upper end of the frame 1 and the middle of the front end is an open structure connected to the steering wheel processing area, and the open structure is respectively provided with a material taking position 9 and a material discharge position 10 on the left and right, the middle of the rear end of the guard frame 2 is provided with a manual loading position 3, and the top surface of the frame 1 is provided with a sprocket drive track. 4. A motor group driving the sprocket drive track 4 is installed at the lower end of the frame 1. Several continuously arranged bottom supporting mechanisms 5 are connected to the sprocket drive track 4 through pulley rolling. A laser sensor is arranged on the bottom supporting mechanism 5. Several steering wheels are stacked vertically on the bottom supporting mechanism 5. The material taking position 9 and the material discharging position 10 are both provided with an in-position sensing mechanism 6 and a positioning component 7. A truss track is arranged between the loading and unloading device and the steering wheel processing area, and a mechanical clamping claw component 8 is installed on the truss track to reciprocate between the loading and unloading device and the steering wheel processing area. Workers are at the manual loading position 3. The steering wheels are placed and stacked on a bottom supporting mechanism 5. The laser sensor arranged on the bottom supporting mechanism 5 identifies whether the number of placed steering wheels meets the standard. The sprocket drive track 4 runs to drive the bottom supporting mechanism 5 with the placed steering wheels to move to the material picking position 9. At this time, there is an empty bottom supporting mechanism 5 at the adjacent material discharge position 10. The in-position sensing mechanism 6 identifies that the bottom supporting mechanism 5 with the steering wheel is in place. The positioning component 7 starts to lock the bottom supporting mechanism 5 on the material picking position 9 and the material discharge position 10. The sprocket drive track 4 stops running, and the mechanical gripper component 8 moves along the truss track from the waiting position. The uppermost steering wheel is taken out from the material taking position 9, and then moved to the processing area 1 for processing. The mechanical gripper assembly 8 is reset, and then moved to the material taking position 9 again to take out the second steering wheel, and moved to the processing area 2 for processing. During the resetting process, the steering wheel processed in the processing area 1 is taken out and moved to the bottom supporting mechanism 5 on the material discharging position 10, and then moved to the material taking position 9 to take the steering wheel, and the cycle is repeated in sequence. After the bottom supporting mechanism 5 on the material discharging position 10 is full, the sprocket drive track 4 is started again, and the processed steering wheel is transferred to the manual loading position 3 for the worker to take out the steering wheel.

[0029] See also Figure 3-5In this embodiment, the sprocket drive track 4 is a circular track and a chain is arranged on the track. The left and right sides of the circular track are provided with gear sets meshing with the transmission chain. The motor set at the lower end of the frame 1 drives the gear set to rotate and drive the chain transmission. The sprocket drive track 4 operates during the loading process to transport the bottom supporting mechanism 5 with the steering wheel and the adjacent empty bottom supporting mechanism 5 to the material picking position 9 and the material discharge position 10. During the processing, the sprocket drive track 4 stops running so that the mechanical clamping claw assembly 8 transfers the processed steering wheel from the processing area to the material discharge position 10. After all the steering wheels on the bottom supporting mechanism 5 on a material picking position 9 are processed, the sprocket drive track 4 operates again. The bottom supporting mechanism 5 includes a tray 501, a bracket 502, and a copper sleeve 503; Two bottom supporting mechanisms 5 are provided at the loading position 3, and one bottom supporting mechanism 5 is provided at the material taking position 9 and the material discharging position 10 respectively. The pallet 501 is above the sprocket drive track 4. The pallet 501 is a double-layer structure and has a pulley rolling on the chain at the lower part. The pallet 501 is manually marked and numbered and provided with pin holes. Four groups of brackets 502 for supporting and positioning the steering wheel are fixedly installed on the upper end of the pallet 501. Copper sleeves 503 are provided between the double-layer structures of the pallet 501. The pallet 501 serves as a supporting structure. When the steering wheels are stacked, the brackets 502 are supported within the rims of the steering wheels to limit the movement of the steering wheels. The steering wheels placed on the pallet 501 are detected by laser irradiation. When the steering wheels reach the preset number, the pallet 501 moves to the next process.

[0030] See also Figure 6-7 In this embodiment, the in-position sensing mechanism 6 includes a column 601 and an in-position sensor 602; the column 601 is fixedly installed at the upper end of the frame 1 and is respectively located at the rear side of the material picking position 9 and the material discharge position 10. The column 601 is equipped with an in-position sensor 602 for identifying the position of the bottom supporting mechanism 5 by photoelectric sensing. After the bottom supporting mechanism 5 with the steering wheel is moved to the material picking position 9, the in-position sensor 602 recognizes the signal and sends it to the control unit of the sprocket drive track 4. The sprocket drive track 4 stops moving, so that the bottom supporting mechanism 5 with the steering wheel remains stable. The positioning component 7 includes a positioning cylinder 701 and a positioning pin 702; positioning There are two groups of cylinders 701 which are respectively installed at the front side of the material picking position 9 and the material discharging position 10. A positioning pin 702 is fixedly connected to the power output element of the positioning cylinder 701. The two positioning pins 702 are driven by the positioning cylinder 701 to insert into the pin holes on the two trays 501 at the material picking position 9 and the material discharging position 10 respectively and lock the trays 501 on the sprocket drive track 4. When the bottom supporting mechanism 5 with the steering wheel is at the material picking position 9, the positioning cylinder 701 is immediately started to control the positioning pins 702 to be inserted into the corresponding pin holes, and the corresponding bottom supporting mechanism 5 is completely locked to ensure that no shaking or instability occurs during the loading process.

[0031] See also Figure 8In this embodiment, the mechanical gripper assembly 8 includes a driving cylinder 801, a stand 802, and a claw 803; the driving cylinder 801 is fixedly installed on a track trolley running along the truss track, and the lower end of the power output element of the driving cylinder 801 is installed with a stand 802, and two claws 803 controlled to be retracted and extended by a linear drive module are installed on the stand 802. The lower end of the claw 803 is provided with a hook structure adapted to the outer edge of the steering wheel. The driving cylinder 801 controls the stand 802 and the claw 803 to rise and fall vertically, and controls the claw 803 to reach the uppermost square at the material picking position 9. At the steering wheel, the linear drive module controls the claw 803 to move in opposite directions, and the hook structure hooks the rim of the steering wheel. A proximity sensor 804 is installed on the upper end of the stand 802, which identifies the height of the steering wheel on the bottom supporting mechanism 5 through photoelectric sensing. The claw 803 and the proximity sensor 804 are at the same horizontal height, and the hook part of the claw 803 is covered with a rubber pad. The proximity sensor 804 plays a role in sending start and stop signals during the operation of the driving cylinder 801. When the claw 803 moves to the top steering wheel, the proximity sensor 804 identifies the steering wheel and the driving cylinder 801 stops running.

[0032] Through the above steps, by setting a mechanical clamping claw assembly 8 between the loading area and the processing area of ​​the automobile steering wheel, cooperating with the sprocket drive track 4, the steering wheel is transferred from the loading area to the processing area instead of manually, so that the processing efficiency is higher, the personnel management and labor input costs are reduced, so as to solve the problem of high labor cost and low efficiency in manual loading of the steering wheel.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An automatic loading and unloading device for automobile steering wheel production, comprising a frame (1), a protective frame (2), and a manual loading position (3); characterized in that: The machine also comprises a sprocket drive track (4), a bottom supporting mechanism (5), an in-position sensing mechanism (6), a positioning assembly (7), a mechanical clamping claw assembly (8), a material taking position (9), and a material discharge position (10); the guard frame (2) is fixedly mounted on the upper end of the frame (1) and the middle of the front end is an open structure connected to the steering wheel processing area, the material taking position (9) and the material discharge position (10) are respectively arranged on the left and right of the open structure, the middle of the rear end of the guard frame (2) is provided with a manual loading position (3), the top surface of the frame (1) is provided with a sprocket drive track (4), the lower end of the frame (1) is provided with a driving mechanism (11), and the upper end of the frame (1) is provided with a driving mechanism (12). A motor group is driven by a sprocket drive track (4); a plurality of continuously arranged bottom supporting mechanisms (5) are connected to the sprocket drive track (4) by means of pulleys; a laser sensor is arranged on the bottom supporting mechanism (5); a plurality of steering wheels are stacked vertically on the bottom supporting mechanism (5); a material taking position (9) and a material discharging position (10) are both provided with an in-position sensing mechanism (6) and a positioning assembly (7); a truss track is provided between a loading and unloading device and a steering wheel processing area; and a mechanical clamp assembly (8) is installed on the truss track and moves back and forth between the loading and unloading device and the steering wheel processing area.

2. The automatic loading and unloading device for automobile steering wheel production according to claim 1 is characterized in that: The sprocket drive track (4) is an annular track and a chain is arranged on the track. Gear sets meshing with the drive chain are arranged on both the left and right sides of the annular track. The motor set at the lower end of the frame (1) drives the gear set to rotate to drive the chain transmission.

3. The automatic loading and unloading device for automobile steering wheel production according to claim 2 is characterized in that: The bottom supporting mechanism (5) comprises a tray (501), a bracket (502), and a copper sleeve (503); two bottom supporting mechanisms (5) are arranged at the manual loading position (3), and one bottom supporting mechanism (5) is arranged at the material taking position (9) and the material discharging position (10); the tray (501) is located above the sprocket drive track (4); the tray (501) is a double-layer structure and has a pulley rolling on a chain at the bottom; the tray (501) is manually marked with numbers and provided with pin holes; four groups of brackets (502) supporting and positioning steering wheels are fixedly installed at the upper end of the tray (501); and copper sleeves (503) are arranged between the double-layer structures of the tray (501).

4. The automatic loading and unloading device for automobile steering wheel production according to claim 3 is characterized in that: The in-position sensing mechanism (6) comprises a column (601) and an in-position sensor (602); the column (601) is fixedly mounted on the upper end of the frame (1) and is respectively located at the rear side of the material taking position (9) and the material discharging position (10); and the column (601) is provided with an in-position sensor (602) for identifying the position of the bottom supporting mechanism (5) through photoelectric sensing.

5. The automatic loading and unloading device for automobile steering wheel production according to claim 4 is characterized in that: The positioning assembly (7) comprises a positioning cylinder (701) and a positioning pin (702); the positioning cylinder (701) has two groups and is respectively installed at the front side of the material taking position (9) and the material discharging position (10); the positioning pin (702) is fixedly connected to the power output element of the positioning cylinder (701); the two positioning pins (702) are driven by the positioning cylinder (701) to be inserted into the pin holes on the two trays (501) at the material taking position (9) and the material discharging position (10) respectively, and the trays (501) are locked on the sprocket drive track (4).

6. The automatic loading and unloading device for automobile steering wheel production according to claim 5 is characterized in that: The mechanical gripper assembly (8) comprises a driving cylinder (801), a platform (802), and a clamping claw (803); the driving cylinder (801) is fixedly mounted on a track trolley running along a truss track; the lower end of a power output element of the driving cylinder (801) is mounted with a platform (802); two clamping claws (803) whose extension and retraction are controlled by a linear drive module are mounted on the platform (802); and the lower end of the clamping claw (803) is provided with a hook structure adapted to the outer edge of a steering wheel.

7. The automatic loading and unloading device for automobile steering wheel production according to claim 6 is characterized in that: A proximity sensor (804) for identifying the height of the steering wheel on the bottom supporting mechanism (5) through photoelectric sensing is installed on the upper end of the platform (802). The clamping claw (803) and the proximity sensor (804) are at the same level, and the hook portion of the clamping claw (803) is covered with a rubber pad.

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