A steering upper column pipe fixed-point cutting processing device

Abstract

The utility model relates to steering upper column pipe processing technical field especially relates to a kind of steering upper column pipe fixed-point cutting processing device, including processing table, screw rod, bottom plate, scale line, fixed plate, movable plate, hydraulic rod, support plate, fixed bracket, U plate and clamping plate, the middle part inboard of processing table is provided with screw rod, the outside of screw rod is provided with bottom plate, the top of processing table is provided with scale line, one end of bottom plate is provided with first fixed plate, the top of bottom plate is provided with movable plate, the inboard of first fixed plate and movable plate is provided with support plate, the top of processing table is provided with fixed bracket, the inboard both ends of fixed bracket are provided with second hydraulic rod, the outside telescopic end of second hydraulic rod is provided with U plate, the front end of U plate is provided with clamping plate;The utility model is fixed after the mode of fixed-point clamping cutting, and then pipe column cutting position is accurately clamped, guarantees that pipe column is always stably placed, ensures that cutting operation is stably carried out, to effectively enhance the practical value of device.

Description

Technical Field

[0001] This utility model relates to the field of steering column tube processing technology, and in particular to a steering column tube fixed-point cutting processing device. Background Technology

[0002] The upper steering column is a key component of the automotive steering system. It is mainly used to support and protect the steering shaft, while ensuring the smoothness and safety of steering operations. During the production of the upper steering column, a cutting device is needed to process the column to a specified length to ensure the standardized assembly of the column in the subsequent process.

[0003] Most current steering column tube cutting devices only clamp and fix the two ends of the column tube, while the cutting point is often in the middle of the column tube. During the cutting operation, the column tube is split in two, and the cut point may shift and shake. The column tube has poor stability and affects the accuracy of the cutting position.

[0004] Therefore, in view of the poor stability of the tube cutting operation during the processing of existing cutting devices, a rotating upper tube fixed-point cutting processing device can be designed. By fixing both ends of the tube column through fixed-point clamping and cutting, the cutting position of the tube column is precisely clamped to ensure that the tube column is always placed stably and the cutting operation is carried out stably, thereby effectively enhancing the practical value of the device. Utility Model Content

[0005] In order to overcome the problem that most steering column tube cutting devices often have the cutting point in the middle of the column tube, and the column is split in two during the cutting operation, the cut point may shift and shake, the column tube has poor stability and affects the accuracy of the cutting position, this utility model is proposed.

[0006] The technical solution of this utility model is as follows: a fixed-point cutting processing device for steering column tubes, comprising a processing table, a cutting blade, a lead screw, a base plate, a scale line, a first fixed plate, a movable plate, a first hydraulic rod, a support plate, a fixed frame, a second hydraulic rod, a U-shaped plate, and a clamping plate. A lead screw is provided on the inner side of the middle part of the processing table, and a base plate is provided on the outer side of the lead screw. A scale line is provided on the top of the processing table. A first fixed plate is provided at one end of the base plate, and a movable plate is provided on the top of the base plate. A first hydraulic rod is provided on the inner side of the first fixed plate and the movable plate, and a support plate is provided on the inner side of the first fixed plate and the movable plate. A fixed frame is provided on the top of the processing table, and second hydraulic rods are provided at both ends of the inner side of the fixed frame. A U-shaped plate is provided at the outer telescopic end of the second hydraulic rod, and two sets of clamping plates are symmetrically arranged at the front end of the U-shaped plate. A cutting blade is provided below the top of the fixed frame.

[0007] Preferably, by setting the position of the screw on the processing table, rotating the screw drives the displacement of the base plate, and moving the base plate drives the position of the first fixed plate. Observing the scale line value on one side of the first fixed plate, the cutting length of the column tube is determined. The first fixed plate abuts against one end of the column tube, and the movable plate is moved on the base plate so that the movable plate abuts against the other end of the column tube. The first hydraulic rod is extended and retracted to adjust the circumferential distance of the support plate. The support plate is used to support and fix the column according to the inner diameter of the column, and the column is stably fixed on the base plate. Thus, the column moves synchronously while the base plate is moved. The second hydraulic rod is fixed with the fixing frame, and the U-shaped plate spacing is adjusted synchronously by extending and retracting the second hydraulic rod. The clamping plate is supported and fixed by the U-plate, so that the clamping plate clamps and fixes the cutting point of the column. The cutting blade is used to cut the column, thus achieving the effect of fixing both ends of the column and then accurately clamping the cutting position of the column, ensuring that the column is always placed stably, ensuring that the cutting operation is carried out stably, and enhancing the practical value of the device.

[0008] Preferably, the lead screw is rotatably connected to the processing table, the base plate is set above the processing table, the base plate is slidably connected to the processing table, the scale line is opened on one side of the base plate, the scale line starts at the horizontal position where the cutting blade is located, the movable plate is slidably connected to the base plate, the outer surface of the support plate is set as arc, and the support plate is equidistantly distributed in a ring with the first hydraulic rod as the center.

[0009] Preferably, a control panel is provided on one side of the top of the processing table. The first hydraulic rod and the second hydraulic rod are both electrically connected to the control panel. A servo motor is provided on one side of the processing table. The servo motor is electrically connected to the control panel. The output end of the servo motor is connected to the lead screw. A first connecting block is provided on the outside of the lead screw. The first connecting block is threadedly connected to the lead screw. The bottom surface of the base plate is fixedly connected to the top of the first connecting block.

[0010] Preferably, a second fixed plate is provided at the other end of the base plate, the second fixed plate being symmetrical to the first fixed plate. A movable plate is provided between the second fixed plate and the first fixed plate. A screw is provided on the inner side of the second fixed plate, the screw thread passing through the second fixed plate and being threadedly connected to the second fixed plate. A rotating plate is provided at the front end of the screw, and the rear end of the screw is rotatably connected to the movable plate. A first sliding groove is provided at the top of the base plate, and two sets of the first sliding groove are symmetrically provided. A first slider is provided at the bottom end of the movable plate, and two sets of the first slider are symmetrically provided. The first slider slides along the first sliding groove.

[0011] Preferably, a second connecting block is provided at the outer telescopic end of the first hydraulic rod, a first connecting shaft is provided on the inner side of the second connecting block, a connecting rod is provided on the outer side of the first connecting shaft, and one end of the first connecting shaft is rotatably connected to the connecting rod.

[0012] Preferably, two sets of third fixing plates are symmetrically arranged in the middle of the inner side of the support plate, and a second connecting shaft is arranged between the two sets of third fixing plates. The second connecting shaft is rotatably connected to the other end of the connecting rod. A T-shaped slider is provided at the bottom of the support plate. T-shaped grooves are equidistantly distributed in annular pattern on the inner side of the first fixing plate and the movable plate. The T-shaped slider slides along the T-shaped grooves.

[0013] Preferably, a third hydraulic rod is provided on the top and bottom surfaces of the fixed frame. The third hydraulic rod is electrically connected to the control panel. A connecting frame is provided on the outer telescopic end of the third hydraulic rod. The cutting blade is located on the inner side of the connecting frame and is rotatably connected to the connecting frame. A drive motor is provided on the outer side of the connecting frame. The drive motor is electrically connected to the control panel, and the output end of the drive motor is connected to the drive shaft of the cutting blade.

[0014] The beneficial effects of this utility model are: During the cutting operation, the first fixed plate abuts against one end of the column tube. The movable plate is moved on the base plate to abut against the other end of the column tube. The first hydraulic rod is extended and retracted to adjust the circumferential distance of the support plate. The support plate supports and fixes the column tube according to its inner diameter, thus stabilizing the column tube on the base plate. The screw on the processing table is rotated to move the base plate, which in turn moves the position of the first fixed plate. The scale line value on one side of the first fixed plate is observed to determine the cutting length of the column tube. The second hydraulic rod is fixed using the fixing bracket. The second hydraulic rod is extended and retracted simultaneously to adjust the spacing of the U-shaped plates. The U-shaped plates support and fix the clamping plate, which clamps and fixes the cutting point of the column tube. The cutting blade is used to cut the column tube. This method solves the problem that most steering column tube cutting devices only clamp and fix the two ends of the column tube, while the cutting point is often in the middle of the column tube. During the cutting operation, the column tube is split in two, and the cut point may shift and shake, resulting in poor column tube placement stability. This enhances the practical value of the device. Attached Figure Description

[0015] Figure 1 The diagram shown is a three-dimensional structural schematic of a fixed-point cutting processing device for a steering column tube according to this utility model. Figure 2 The diagram shown is a three-dimensional structural diagram of the base plate of a fixed-point cutting and processing device for steering column tubes according to this utility model. Figure 3 The diagram shown is a three-dimensional cross-sectional view of the base plate of a fixed-point cutting and processing device for steering column tubes according to this utility model. Figure 4 The diagram shows a three-dimensional structural schematic of the support plate of a fixed-point cutting processing device for steering column tubes according to this utility model.

[0016] Explanation of reference numerals in the attached drawings: 1. Processing table; 101. Control panel; 2. Lead screw; 201. Servo motor; 202. First connecting block; 3. Base plate; 4. Scale line; 5. First fixed plate; 501. Second fixed plate; 502. Screw; 503. Rotating plate; 504. First slide groove; 505. First slider; 6. Movable plate; 7. First hydraulic rod; 701. Second connecting block; 702. First connecting shaft; 703. Connecting rod; 704. Third fixed plate; 705. Second connecting shaft; 706. T-shaped slider; 707. T-shaped slide groove; 8. Support plate; 9. Fixing frame; 10. Second hydraulic rod; 11. U-shaped plate; 12. Clamping plate; 13. Cutting blade; 1301. Third hydraulic rod; 1302. Connecting frame; 1303. Drive motor. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Please see Figure 1 and Figure 3 This utility model provides an embodiment: a fixed-point cutting processing device for a steering column tube, including a processing table 1, a lead screw 2, a base plate 3, a scale line 4, a first fixed plate 5, a movable plate 6, a first hydraulic rod 7, a support plate 8, a fixed frame 9, a second hydraulic rod 10, a U-shaped plate 11, a clamping plate 12, and a cutting blade 13. The lead screw 2 is provided on the inner side of the middle of the processing table 1, and the lead screw 2 is rotatably connected to the processing table 1. The base plate 3 is provided on the outer side of the lead screw 2, and is located above the processing table 1, and is slidably connected to the processing table 1. A scale line 4 is provided at the top of the processing table 1, and the scale line 4 is located on one side of the base plate 3. A first fixed plate 5 is provided at one end of the base plate 3. A movable plate 6 is provided at the top of plate 3, and the movable plate 6 is slidably connected to the base plate 3. A first hydraulic rod 7 is provided on the inner side of the first fixed plate 5 and the movable plate 6. A support plate 8 is provided on the inner side of the first fixed plate 5 and the movable plate 6. The outer surface of the support plate 8 is arc-shaped. The support plates 8 are distributed in a ring at equal intervals with the first hydraulic rod 7 as the center. A fixed frame 9 is provided at the top of the processing table 1. A second hydraulic rod 10 is provided at both ends of the inner side of the fixed frame 9. A U-shaped plate 11 is provided at the outer telescopic end of the second hydraulic rod 10. Two sets of clamping plates 12 are symmetrically provided at the front end of the U-shaped plate 11. A cutting blade 13 is provided below the top of the fixed frame 9. The scale line 4 starts at the horizontal position where the cutting blade 13 is located.

[0019] Please see Figure 1 and Figure 2In this embodiment, a control panel 101 is provided on one side of the top of the processing table 1. The first hydraulic rod 7 and the second hydraulic rod 10 are both electrically connected to the control panel 101. A servo motor 201 is provided on one side of the outer side of the processing table 1. The servo motor 201 is electrically connected to the control panel 101. The output end of the servo motor 201 is connected to the lead screw 2. A first connecting block 202 is provided on the outer side of the lead screw 2. The first connecting block 202 is threadedly connected to the lead screw 2. The bottom surface of the base plate 3 is fixedly connected to the top of the first connecting block 202. The control panel 101... A telescopic command is sent to the first hydraulic rod 7, which extends and retracts to flexibly adjust the circumferential distance of the support plate 8. A telescopic command is sent to the second hydraulic rod 10 via the control panel 101, which extends and retracts to adjust the distance between the two sets of clamping plates 12. An operating command is sent to the servo motor 201 via the control panel 101, which drives the lead screw 2 to rotate. Rotating the lead screw 2 causes the position of the first connecting block 202 to move. The first connecting block 202 is used to connect and fix the base plate 3, thereby flexibly moving the position of the base plate 3 and flexibly adjusting the cutting length of the column tube.

[0020] Please see Figure 2 and Figure 3 In this embodiment, a second fixing plate 501 is provided at the other end of the base plate 3. The second fixing plate 501 is symmetrical to the first fixing plate 5. A movable plate 6 is provided between the second fixing plate 501 and the first fixing plate 5. A screw 502 is provided on the inner side of the second fixing plate 501. The screw 502 is threaded through the second fixing plate 501 and is threadedly connected to the second fixing plate 501. A rotating plate 503 is provided at the front end of the screw 502, and the rear end of the screw 502 is rotatably connected to the movable plate 6. A first sliding groove 504 is provided at the top end of the base plate 3. The first sliding groove 504 is symmetrically distributed. Two sets are provided. The bottom end of the movable plate 6 is provided with a first slider 505. The first slider 505 is symmetrically arranged in two sets. The first slider 505 slides along the first slide groove 504. The screw 502 is fixed in the threaded rotation position by the second fixing plate 501. Rotating the rotating plate 503 drives the screw 502 to rotate. The screw 502 is screwed into the second fixing plate 501. Rotating the screw 502 drives the movable plate 6 to move. Moving the movable plate 6 drives the first slider 505 to move, so that the first slider 505 slides along the first slide groove 504, ensuring the stable displacement of the movable plate 6, so that the movable plate 6 abuts against the other end of the column tube.

[0021] Please see Figure 3 and Figure 4In this embodiment, a second connecting block 701 is provided at the outer telescopic end of the first hydraulic rod 7. A first connecting shaft 702 is provided on the inner side of the second connecting block 701. A connecting rod 703 is provided on the outer side of the first connecting shaft 702. One end of the first connecting shaft 702 is rotatably connected to one end of the connecting rod 703. Two sets of third fixing plates 704 are symmetrically arranged in the middle of the inner side of the support plate 8. A second connecting shaft 705 is provided between the two sets of third fixing plates 704. The second connecting shaft 705 is rotatably connected to the other end of the connecting rod 703. A T-shaped slider 706 is provided at the bottom end of the support plate 8. T-shaped sliders are equidistantly distributed in annular rings on the inner sides of the first fixing plate 5 and the movable plate 6. The T-shaped slider 706 slides along the T-shaped groove 707. The position of the first connecting shaft 702 is fixed by the second connecting block 701. One end of the connecting rod 703 is connected by rotating the first connecting shaft 702. The connecting rod 703 is connected to and fixed the support plate 8. The position of the second connecting shaft 705 is fixed by the third fixing plate 704. The other end of the connecting rod 703 is connected by rotating the second connecting shaft 705. The extension and retraction of the first hydraulic rod 7 drives one end of the connecting rod 703 to rotate around the first connecting shaft 702, so that the other end of the connecting rod 703 rotates around the second connecting shaft 705, thereby flexibly pushing and pulling the support plate 8 and controlling the support plate 8 to support both ends of the column tube according to the actual inner diameter of the column tube.

[0022] Please see Figure 1 In this embodiment, a third hydraulic rod 1301 is provided on the top bottom surface of the fixing frame 9. The third hydraulic rod 1301 is electrically connected to the control panel 101. A connecting frame 1302 is provided on the outer telescopic end of the third hydraulic rod 1301. The cutting blade 13 is provided on the inner side of the connecting frame 1302. The cutting blade 13 is rotatably connected to the connecting frame 1302. A drive motor 1303 is provided on the outer side of the connecting frame 1302. The drive motor 1303 is electrically connected to the control panel 101. The output end of the drive motor 1303 is connected to the drive shaft of the cutting blade 13. The control panel 101 sends a telescopic command to the third hydraulic rod 1301. The telescopic third hydraulic rod 1301 flexibly adjusts the height of the connecting frame 1302. The connecting frame 1302 is used to rotatably connect the cutting blade 13. The control panel 101 sends a running command to the drive motor 1303. The drive motor 1303 drives the cutting blade 13 to rotate. The rotating cutting blade 13 cuts the column tube.

[0023] When placing the column tube, pass one end of the column tube through the first hydraulic rod 7 on the first fixed plate 5 so that one end abuts against the first fixed plate 5. Rotate the rotating plate 503 to drive the screw 502 to rotate, so that the screw 502 rotates around the second fixed plate 501, causing the movable plate 6 to move and the first slider 505 to slide synchronously along the first sliding groove 504. Pass the other end of the column tube through the first hydraulic rod 7 on the movable plate 6 so that the movable plate 6 abuts against the other end of the column tube. Subsequently, a retraction command is sent to the first hydraulic rod 7 via the control panel 101. The retraction of the first hydraulic rod 7 drives the second connecting block 701 to move, causing one end of the connecting rod 703 to rotate around the first connecting shaft 702. At the same time, the other end of the connecting rod 703 rotates around the second connecting shaft 705 between the third fixed plates 704, thereby pushing the support plate 8 to move and causing the T-shaped slider 706 to slide synchronously along the T-shaped slide groove 707, driving the support plate 8 to support the inner wall of the column tube. When positioning the cutting position, the control panel 101 sends a running command to the servo motor 201, and the servo motor 201 drives the lead screw 2 to rotate. Rotating the lead screw 2 drives the first connecting block 202 to move. Moving the first connecting block 202 drives the base plate 3 to move. At the same time, observe the scale line 4 on the processing table 1 and move the first fixed plate 5 to the specified scale. Then, the control panel 101 sends an extension command to the second hydraulic rod 10, which extends the second hydraulic rod 10 to adjust the spacing of the clamping plates 12 on the U-shaped plate 11, so that the clamping plates 12 clamp the column tube cutting position. During the cutting operation, the control panel 101 sends a running command to the drive motor 1303, which drives the cutting blade 13 in the connecting frame 1302 to rotate. The control panel 101 sends an extension command to the third hydraulic rod 1301 on the fixed frame 9, which extends the third hydraulic rod 1301 to lower the height of the cutting blade 13, so that the cutting blade 13 can cut the column tube. After cutting, retract the second hydraulic rod 10 to remove the clamping plate 12, extend the first hydraulic rod 7 to reduce the circumferential distance of the support plate 8, rotate the screw 502 to remove the movable plate 6, and take out the two sections of the cut column tube.

[0024] Through the above steps, by setting the position of the screw 2 on the processing table 1, rotating the screw 2 to drive the displacement of the base plate 3, and moving the base plate 3 to drive the position of the first fixed plate 5, the value of the scale line 4 on one side of the first fixed plate 5 is observed to determine the cutting length of the column tube. The first fixed plate 5 is used to abut one end of the column tube, and the movable plate 6 is moved on the base plate 3 so that the movable plate 6 abuts the other end of the column tube. The first hydraulic rod 7 is extended and retracted to adjust the circumferential distance of the support plate 8. The support plate 8 is used to support and fix the column according to the inner diameter of the column, and the column is stably fixed on the base plate 3. Thus, the column is moved synchronously while the base plate 3 is moved. The second hydraulic rod 10 is fixed by the fixing frame 9, and the spacing of the U-shaped plate 11 is adjusted synchronously by extending and retracting the second hydraulic rod 10. The clamping plate 12 is used to support and fix the clamping plate 12, so that the clamping plate 12 clamps and fixes the cutting point of the column. The cutting blade 13 is used to cut the column. After fixing both ends of the column, the cutting position of the column is precisely clamped to ensure that the column is always placed stably and that the cutting operation is carried out stably.

[0025] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A device for fixed-point cutting of steering column tube, comprising a processing table (1) and a cutting blade (13), characterized in that: It also includes a lead screw (2), a base plate (3), a scale line (4), a first fixed plate (5), a movable plate (6), a first hydraulic rod (7), a support plate (8), a fixed frame (9), a second hydraulic rod (10), a U-shaped plate (11), and a clamping plate (12). The lead screw (2) is provided on the inner side of the middle part of the processing table (1), and the base plate (3) is provided on the outer side of the lead screw (2). The scale line (4) is provided on the top of the processing table (1). The first fixed plate (5) is provided at one end of the base plate (3), and the movable plate is provided on the top of the base plate (3). (6) A first hydraulic rod (7) is provided on the inner side of the first fixed plate (5) and the movable plate (6). A support plate (8) is provided on the inner side of the first fixed plate (5) and the movable plate (6). A fixed frame (9) is provided at the top of the processing table (1). A second hydraulic rod (10) is provided at both ends of the inner side of the fixed frame (9). A U-shaped plate (11) is provided at the outer telescopic end of the second hydraulic rod (10). Two sets of clamping plates (12) are symmetrically provided at the front end of the U-shaped plate (11). A cutting blade (13) is provided below the top of the fixed frame (9).

2. The fixed-point cutting and processing device for the upper steering column tube according to claim 1, characterized in that: The lead screw (2) is rotatably connected to the processing table (1), the base plate (3) is set above the processing table (1), the base plate (3) is slidably connected to the processing table (1), the scale line (4) is opened on one side of the base plate (3), the scale line (4) starts at the horizontal position of the cutting blade (13), the movable plate (6) is slidably connected to the base plate (3), the outer surface of the support plate (8) is set as arc, and the support plate (8) is equidistantly distributed in a ring with the first hydraulic rod (7) as the center.

3. The fixed-point cutting and processing device for the upper steering column tube according to claim 1, characterized in that: A control panel (101) is provided on one side of the top of the processing table (1). The first hydraulic rod (7) and the second hydraulic rod (10) are electrically connected to the control panel (101). A servo motor (201) is provided on one side of the outer side of the processing table (1). The servo motor (201) is electrically connected to the control panel (101). The output end of the servo motor (201) is connected to the lead screw (2). A first connecting block (202) is provided on the outer side of the lead screw (2). The first connecting block (202) is threadedly connected to the lead screw (2). The bottom surface of the base plate (3) is fixedly connected to the top of the first connecting block (202).

4. The fixed-point cutting and processing device for the upper steering column tube according to claim 1, characterized in that: A second fixed plate (501) is provided at the other end of the base plate (3). The second fixed plate (501) is symmetrical to the first fixed plate (5). A movable plate (6) is provided between the second fixed plate (501) and the first fixed plate (5). A screw (502) is provided on the inner side of the second fixed plate (501). The screw (502) is threaded through the second fixed plate (501). The screw (502) is threaded to the second fixed plate (501). A rotating plate (503) is provided at the front end of the screw (502). The rear end of the screw (502) is rotatably connected to the movable plate (6). A first sliding groove (504) is provided at the top of the base plate (3). Two sets of the first sliding groove (504) are symmetrically provided. A first slider (505) is provided at the bottom end of the movable plate (6). Two sets of the first slider (505) are symmetrically provided. The first slider (505) slides along the first sliding groove (504).

5. The fixed-point cutting and processing device for the upper steering column tube according to claim 1, characterized in that: The outer telescopic end of the first hydraulic rod (7) is provided with a second connecting block (701), the inner side of the second connecting block (701) is provided with a first connecting shaft (702), the outer side of the first connecting shaft (702) is provided with a connecting rod (703), and one end of the first connecting shaft (702) is rotatably connected to the connecting rod (703).

6. The fixed-point cutting and processing device for the upper steering column tube according to claim 5, characterized in that: Two sets of third fixing plates (704) are symmetrically arranged in the middle of the inner side of the support plate (8). A second connecting shaft (705) is arranged between the two sets of third fixing plates (704). The second connecting shaft (705) is rotatably connected to the other end of the connecting rod (703). A T-shaped slider (706) is provided at the bottom of the support plate (8). T-shaped grooves (707) are equidistantly distributed in annular pattern on the inner side of the first fixing plate (5) and the movable plate (6). The T-shaped slider (706) slides along the T-shaped groove (707).

7. The fixed-point cutting and processing device for the upper steering column tube according to claim 1, characterized in that: A third hydraulic rod (1301) is provided on the top bottom surface of the fixed frame (9). The third hydraulic rod (1301) is electrically connected to the control panel (101). A connecting frame (1302) is provided on the outer telescopic end of the third hydraulic rod (1301). The cutting blade (13) is located on the inner side of the connecting frame (1302). The cutting blade (13) is rotatably connected to the connecting frame (1302). A drive motor (1303) is provided on the outer side of the connecting frame (1302). The drive motor (1303) is electrically connected to the control panel (101). The output end of the drive motor (1303) is connected to the drive shaft of the cutting blade (13).

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