Cutting device for FRP anchor rod production

Abstract

The utility model discloses a cutting device for FRP anchor rod production, which relates to the technical field of FRP anchor rod production and comprises a bottom plate, a collecting tank mounted at the left end of the top of the bottom plate, a limiting plate mounted at the left end of the top of the collecting tank, a clamping component arranged at the right end of the top of the collecting tank, a supporting plate mounted at the right end of the top of the bottom plate, and a through hole formed in the right side of the supporting plate. A conveying assembly is arranged at the end, close to the through hole, of the supporting plate, an anchor rod body penetrates through the through hole, the conveying assembly and the clamping assembly, and a vertical plate is installed at the end, away from the conveying assembly, of the supporting plate. The first electric push rod, the cutting knife, a stepping motor, a limiting plate, a collecting groove, a through hole, a conveying assembly, a one-way lead screw and a nut are arranged in a matched mode, transverse displacement and lifting of the position of the cutting knife are facilitated, an anchor rod body can be automatically conveyed through the conveying assembly, and therefore the cutting efficiency and safety are improved, and the practicability is high. The purposes of convenient operation and accurate cutting are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of FRP anchor rod production, in particular to a cutting device for FRP anchor rod production. Background Art

[0002] FRP material is a new type of composite material, generally with resin glue as the matrix phase and fiber material as the reinforcement phase. It has excellent properties such as corrosion resistance and light weight. FRP anchor rods can be produced by dipping and thermal curing processes. At present, FRP anchor rods have been widely studied and successfully applied in major infrastructure such as high slopes in geotechnical engineering, large-scale underground caverns in water conservancy and hydropower projects, large-scale underground powerhouses, and flood discharge tunnels. In order to meet the needs of different lengths, FRP anchor rods usually need to be cut.

[0003] The Chinese utility model patent announcement number CN220426996U discloses a safe and efficient anchor cutting machine, including a fixed component, which includes a machine tool base, a support plate, an anchor, a supporting wheel, a screw rod, a moving block, a connecting plate, and a clamping plate; the top of the machine tool base is fixedly connected to the support plate, the support plate is movably contacted with the anchor, the top of the machine tool base is rotatably connected to the supporting wheel, and a groove is opened on the machine tool base. The utility model places the anchor rod on the support plate, and the provision of multiple supporting wheels can reduce the dragging resistance, reduce the labor intensity of the unloading personnel, and improve the efficiency. After the anchor rod is moved to the appropriate position, the driving motor drives the moving block to move through the screw rod, and the moving block drives the connecting plate to move through the hinge rod, and the connecting plate drives the clamping plate to move, so that the two clamping plates fix the anchor rod and then cut it. By fixing it before cutting, it can be prevented that after the anchor rod is cut, the remaining material rebounds and accidentally injures the staff, thereby improving the safety. However, during the process of cutting the anchor rod, the above-mentioned cutting machine needs the cooperation of multiple people, who are responsible for feeding on one hand and controlling the cutting device to cut on the other hand, resulting in the overall cutting efficiency being affected, which is time-consuming and labor-intensive. Utility Model Content

[0004] In order to improve the problem that the above-mentioned cutting machine needs the cooperation of multiple people in the process of cutting the anchor rod, who are responsible for feeding on one hand and controlling the cutting device for cutting on the other hand, which affects the overall cutting efficiency and is time-consuming and labor-intensive, the utility model provides a cutting device for FRP anchor rod production.

[0005] The utility model provides a cutting device for FRP anchor production, which adopts the following technical scheme:

[0006] A cutting device for FRP anchor production comprises a base plate, a collecting trough is installed at the left end of the top of the base plate, a limiting plate is installed at the left end of the top of the collecting trough, a clamping assembly is arranged at the right end of the top of the collecting trough, a supporting plate is installed at the right end of the top of the base plate, a through hole is opened on the right side of the supporting plate, a conveying assembly is arranged at one end of the supporting plate close to the through hole, an anchor body is passed through the through hole, the conveying assembly and the clamping assembly, a vertical plate is installed at one end of the supporting plate away from the conveying assembly, a one-way screw rod is connected between the two vertical plates through a bearing, a driving assembly is arranged on the outer side of the vertical plate at the left end, the right end of the driving assembly is connected to the left end of the one-way screw rod, a nut is screwed on the outer wall of the one-way screw rod, a first electric push rod is installed at the bottom of the nut, a stepping motor is installed at the output end of the first electric push rod, and a cutting knife is installed at the power output end of the stepping motor.

[0007] By adopting the above technical scheme, the anchor rod body can be automatically transported through the conveying assembly until one end of the anchor rod body passes through the clamping assembly and abuts against the inner side of the limit plate, and the one-way screw rod is driven to rotate by the driving assembly. The rotation of the one-way screw rod drives the nut to move, and the movement of the nut drives the cutting knife to move laterally, so that the distance between the cutting knife and the limit plate can be adjusted. After the cutting knife is adjusted to the desired position, the first electric push rod is extended to drive the cutting knife to move downward, and the stepper motor is started to drive the cutting knife to rotate, so that the anchor rod body can be cut off, thereby improving the cutting efficiency and safety.

[0008] Optionally, the conveying assembly includes a second electric push rod, which is installed at the top of the inner side of the support plate, and a movable seat is installed at the output end of the second electric push rod, a first conveying roller is connected between the movable seats, and a first drive motor for driving the first conveying roller to rotate is installed on the outer side of the movable seat, a fixed seat is installed at one end of the inner side of the support plate close to the movable seat, a second conveying roller is connected between the fixed seats, and a second drive motor for driving the second conveying roller to rotate is installed on the outer side of the fixed seat.

[0009] By adopting the above technical solution, the second electric push rod is telescopic to drive the movable seat to move up and down, and when the movable seat moves, it drives the first conveying roller to move up and down, so as to facilitate the adjustment of the distance between the first conveying roller and the second conveying roller. When the first drive motor is working, it can drive the first conveying roller to rotate, and when the second drive motor is working, it can drive the second conveying roller to rotate, thereby being able to automatically convey anchor rod bodies of different specifications.

[0010] Optionally, a sliding assembly is provided between the movable seat and the support plate, the sliding assembly includes a pulley, the pulley is installed at the right end of the movable seat, a slide rail is provided on the inner side of the support plate, and the pulley is rollingly connected to the slide rail.

[0011] By adopting the above technical solution, when the movable seat moves up and down, it can drive the pulley to roll in the slide rail, so that the movable seat can move more smoothly and avoid jamming as much as possible.

[0012] Optionally, the clamping assembly includes a frame, which is installed at the right end of the top of the collecting tank, a second clamping seat is installed on the inner bottom wall of the frame, a screw is threaded on the top of the frame, a turntable is installed on the top of the screw, the bottom of the screw is connected to the first clamping seat through a bearing, and a guide rod is connected between the first clamping seat and the frame.

[0013] By adopting the above technical solution, the staff rotates the turntable, and the rotation of the turntable drives the screw to rotate. Under the limiting action of the guide rod, the rotation of the screw drives the first clamping seat to move downward, so that the anchor body can be fixed and clamped by the first clamping seat and the second clamping seat to prevent the remaining material from rebounding and accidentally injuring the staff after the anchor body is cut off.

[0014] Optionally, the first clamping seat and the second clamping seat are both provided with arc grooves at one end close to the anchor rod body, and rubber pads are connected to the inner sides of the two groups of arc grooves.

[0015] By adopting the above technical solution, the arc groove is set so that the first clamping seat and the second clamping seat are more closely connected to the anchor body, and the rubber pad is set to increase the friction between the first clamping seat and the second clamping seat and the anchor body, so that the anchor body is clamped more tightly.

[0016] Optionally, a pointer is connected to the top of the nut, and scale lines are arranged at equal intervals on one end of the support plate close to the pointer. Two groups of vertical plates are connected to a limiting rod on one end close to the one-way screw rod. A limiting hole matching the limiting rod is provided in the inner cavity of the pointer, and the pointer is sleeved on the outside of the limiting rod.

[0017] By adopting the above technical solution, the movement of the nut drives the pointer to slide along the limit rod, so that the nut can be limited, and the distance between the cutting knife and the limit plate is confirmed by setting the scale line, and then the distance that needs to be cut off the anchor body is quantified, thereby improving the practicality of the device.

[0018] Optionally, the driving assembly includes a shell, which is installed on the outside of the vertical plate at the left end, a servo motor is installed on the top of the shell, a driving shaft is installed at the power output end of the servo motor, a driving bevel gear is installed at the bottom of the driving shaft, a driven bevel gear is meshed and connected at the bottom of the driving bevel gear, a driven shaft is sleeved in the inner cavity of the driven bevel gear, the left end of the driven shaft is connected to the left side wall of the inner cavity of the shell through a bearing, and the right end of the driven shaft is fixedly connected to the left end of the one-way screw.

[0019] By adopting the above technical solution, when the servo motor is working, the driving shaft drives the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the driven shaft to rotate, and the driven shaft drives the one-way screw to rotate.

[0020] In summary, the present invention has at least one of the following beneficial effects:

[0021] (1) Through the coordinated arrangement of the first electric push rod, the cutting knife, the stepping motor, the limit plate, the collecting groove, the through hole, the conveying assembly, the one-way screw rod and the nut, the position of the cutting knife can be conveniently displaced laterally and raised and lowered. The anchor rod body can be automatically conveyed by the conveying assembly, thereby improving the cutting efficiency and safety, and achieving the purpose of convenient operation and accurate cutting.

[0022] (2) By coordinating the turntable, the screw, the guide rod, the frame, the first clamping seat and the second clamping seat, the anchor rod body can be fixed before cutting to prevent the remaining material from rebounding and accidentally injuring the staff after the anchor rod body is cut off, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the side view structure of the clamping assembly of the utility model;

[0026] Figure 3 For the utility model Figure 1 Schematic diagram of the structure at point A in the middle.

[0027] In the figure: 1. driving assembly; 101. servo motor; 102. driving shaft; 103. driving bevel gear; 104. driven shaft; 105. driven bevel gear; 106. housing; 2. first electric push rod; 3. cutting knife; 4. stepping motor; 5. limit plate; 6. collecting tank; 7. bottom plate; 8. through hole; 9. anchor rod body; 10. sliding assembly; 1001. pulley; 1002. slide rail; 11. support plate; 12. conveying assembly; 1201. second electric push rod; 1202. fixing seat; 120 3. Movable seat; 1204. First conveying roller; 1205. First drive motor; 1206. Second drive motor; 1207. Second conveying roller; 13. Clamping assembly; 1301. Turntable; 1302. Screw; 1303. Guide rod; 1304. Frame; 1305. First clamping seat; 1306. Second clamping seat; 14. One-way screw; 15. Nut; 16. Scale line; 17. Vertical plate; 18. Pointer; 19. Limit hole; 20. Limit rod; 21. Arc groove; 22. Rubber pad. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-3 The utility model is described in further detail.

[0029] Please refer to the attached figure in the instruction manual Figure 1 The utility model provides an embodiment: a cutting device for FRP anchor production, including a bottom plate 7, a collecting trough 6 is installed at the left end of the top of the bottom plate 7, a limiting plate 5 is fixedly installed at the left end of the top of the collecting trough 6, a clamping assembly 13 is arranged at the right end of the top of the collecting trough 6, a supporting plate 11 is fixedly installed at the right end of the top of the bottom plate 7, a through hole 8 is opened on the right side of the supporting plate 11, and a conveying assembly 12 is arranged at one end of the supporting plate 11 close to the through hole 8.

[0030] Please refer to the attached figure in the instruction manual Figure 1An anchor rod body 9 is inserted between the through hole 8, the conveying assembly 12 and the clamping assembly 13. The conveying assembly 12 includes a second electric push rod 1201, which is installed on the top of the inner side of the support plate 11. A movable seat 1203 is slidably installed on the output end of the second electric push rod 1201. A first conveying roller 1204 is rotatably connected between the movable seats 1203. A first driving motor 1205 for driving the first conveying roller 1204 to rotate is installed on the outer side of the movable seat 1203. A fixed seat 1202 is installed at one end of the inner side of the support plate 11 close to the movable seat 1203. A second conveying roller 1207 is rotatably connected between the fixed seats 1202. A second driving motor 1206 for driving the second conveying roller 1207 to rotate is installed on the outer side of the fixed seat 1202. The second electric push rod 1201 is extended and retracted to drive the movable seat 1203 to move up and down. When the movable seat 1203 moves, it drives the first conveying roller 1204 to move up and down, so as to facilitate the adjustment of the distance between the first conveying roller 1204 and the second conveying roller 1207. When the first drive motor 1205 is working, it can drive the first conveying roller 1204 to rotate. When the second drive motor 1206 is working, it drives the second conveying roller 1207 to rotate, thereby automatically conveying anchor rod bodies 9 of different specifications.

[0031] Please refer to the attached figure in the instruction manual Figure 1 A sliding assembly 10 is provided between the movable seat 1203 and the support plate 11. The sliding assembly 10 includes a pulley 1001, which is rotatably mounted on the right end of the movable seat 1203. A slide rail 1002 is provided on the inner side of the support plate 11. The pulley 1001 is rollingly connected to the slide rail 1002. When the movable seat 1203 moves up and down, the pulley 1001 can be driven to roll in the slide rail 1002, so that the movable seat 1203 moves more smoothly and avoids jamming as much as possible.

[0032] Please refer to the attached figure in the instruction manual Figure 1 and Figure 2 The clamping assembly 13 includes a frame 1304, which is mounted on the right end of the top of the collecting tank 6. A second clamping seat 1306 is fixedly mounted on the inner bottom wall of the frame 1304. A screw 1302 is screwed to the top of the frame 1304. A turntable 1301 is fixedly mounted on the top of the screw 1302. A first clamping seat 1305 is rotatably connected to the bottom of the screw 1302 through a bearing. A guide rod 1303 is connected between the first clamping seat 1305 and the frame 1304. When the staff rotates the turntable 1301, the rotation of the turntable 1301 drives the screw 1302 to rotate. Under the limiting action of the guide rod 1303, the rotation of the screw 1302 drives the first clamping seat 1305 to move downward, so that the anchor body 9 can be fixed and clamped by the first clamping seat 1305 and the second clamping seat 1306, so as to prevent the residual material from rebounding and accidentally injuring the staff after the anchor body 9 is cut off.

[0033] Please refer to the attached figure in the instruction manual Figure 2 The first clamping seat 1305 and the second clamping seat 1306 are both provided with arc grooves 21 at one end close to the anchor rod body 9, and the inner sides of the two sets of arc grooves 21 are fixedly connected with rubber pads 22. The arc grooves 21 are provided to make the first clamping seat 1305 and the second clamping seat 1306 fit the anchor rod body 9 more closely when connected, and the rubber pads 22 are provided to increase the friction between the first clamping seat 1305 and the second clamping seat 1306 and the anchor rod body 9, so that the anchor rod body 9 is clamped more tightly.

[0034] Please refer to the attached figure in the instruction manual Figure 1 A vertical plate 17 is installed at one end of the support plate 11 away from the conveying component 12, and a one-way screw 14 is rotatably connected between the two vertical plates 17 through a bearing. A driving component 1 is arranged on the outer side of the left end vertical plate 17, and the right end of the driving component 1 is connected to the left end of the one-way screw 14. The driving component 1 includes a shell 106, which is installed on the outer side of the left end vertical plate 17. A servo motor 101 is installed on the top of the shell 106. A driving shaft 102 is installed at the power output end of the servo motor 101, and a driving bevel gear 103 is installed at the bottom of the driving shaft 102. A driven bevel gear 105 is meshed and connected at the bottom of the driving bevel gear 103. A driven shaft 104 is sleeved in the inner cavity of the driven bevel gear 105. The left end of the driven shaft 104 is rotatably connected to the left side wall of the inner cavity of the shell 106 through a bearing, and the right end of the driven shaft 104 is fixedly connected to the left end of the one-way screw 14. When the servo motor 101 is working, the driving shaft 102 drives the driving bevel gear 103 to rotate, the driving bevel gear 103 drives the driven bevel gear 105 to rotate, the driven bevel gear 105 drives the driven shaft 104 to rotate, and the driven shaft 104 drives the one-way screw rod 14 to rotate.

[0035] Please refer to the attached figure in the instruction manual Figure 1 and Figure 3 The outer wall of the one-way screw rod 14 is screwed with a nut 15, a first electric push rod 2 is installed at the bottom of the nut 15, a stepper motor 4 is fixedly installed at the output end of the first electric push rod 2, a cutting knife 3 is installed at the power output end of the stepper motor 4, a pointer 18 is fixedly connected to the top of the nut 15, and scale lines 16 are arranged at equal intervals at one end of the support plate 11 close to the pointer 18, and two groups of vertical plates 17 are horizontally connected to a limit rod 20 close to one end of the one-way screw rod 14, and a limit hole 19 matching the limit rod 20 is opened in the inner cavity of the pointer 18, and the pointer 18 is slidably sleeved on the outer side of the limit rod 20. The movement of the nut 15 drives the pointer 18 to slide along the limit rod 20, so that the nut 15 can be limited, and the distance between the cutting knife 3 and the limit plate 5 is confirmed by the setting of the scale line 16, and then the distance that the anchor rod body 9 needs to be cut is quantified, thereby improving the practicality of the device.

[0036] Working principle: When using the device, an external power supply is used to pass one end of the anchor rod body 9 through the through hole 8 and position it between the first conveying roller 1204 and the second conveying roller 1207. The controller controls the second electric push rod 1201 to extend. The second electric push rod 1201 extends to drive the movable seat 1203 to move downward. The movable seat 1203 moves downward and drives the first conveying roller 1204 to move downward until the bottom of the first conveying roller 1204 contacts the top of the anchor rod body 9. Then, the first drive motor 1205 and the second drive motor 1206 are started by the controller. When the first drive motor 1205 is working, it drives the first conveying roller 1204 to rotate. When the second drive motor 1206 is working, it drives the second conveying roller 1207 to rotate. The anchor rod body 9 is transported by the first conveying roller 1204 and the second conveying roller 1207 until one end of the anchor rod body 9 passes through the clamping assembly 13 and abuts against the inner side of the limit plate 5.

[0037] Then turn on the servo motor 101. When the servo motor 101 is working, it drives the active bevel gear 103 to rotate through the active shaft 102. The rotation of the active bevel gear 103 drives the driven bevel gear 105 to rotate. The rotation of the driven bevel gear 105 drives the driven shaft 104 to rotate, which can drive the one-way screw rod 14 to rotate. The rotation of the one-way screw rod 14 drives the nut 15 to move left and right. The movement of the nut 15 drives the pointer 18 to slide along the limit rod 20, so that the nut 15 can be limited. When the nut 15 moves, it drives the cutting knife 3 to move left and right. The distance between the cutting knife 3 and the limit plate 5 is confirmed by the setting of the scale line 16, and then the distance that needs to be cut off the anchor rod body 9 is quantified.

[0038] When the position of the cutting knife 3 is adjusted, the staff manually rotates the turntable 1301, and the rotation of the turntable 1301 drives the screw 1302 to rotate. Under the limiting action of the guide rod 1303, the rotation of the screw 1302 drives the first clamping seat 1305 to move downward until the first clamping seat 1305 and the second clamping seat 1306 fix and clamp the anchor body 9 to prevent the remaining material from rebounding and accidentally injuring the staff after the anchor body 9 is cut off.

[0039] At this time, the first electric push rod 2 and the stepper motor 4 are started by the controller. When the stepper motor 4 works, it drives the cutting knife 3 to rotate. The first electric push rod 2 extends to drive the cutting knife 3 to move downward, so that the anchor rod body 9 can be cut off. After cutting, the anchor rod body 9 falls into the inner cavity of the collection groove 6 for unified collection.

[0040] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A cutting device for FRP anchor production, comprising a bottom plate (7), characterized in that: A collecting trough (6) is installed at the left end of the top of the bottom plate (7), a limiting plate (5) is installed at the left end of the top of the collecting trough (6), a clamping assembly (13) is arranged at the right end of the top of the collecting trough (6), a supporting plate (11) is installed at the right end of the top of the bottom plate (7), a through hole (8) is opened on the right side of the supporting plate (11), a conveying assembly (12) is arranged at one end of the supporting plate (11) close to the through hole (8), an anchor rod body (9) is inserted between the through hole (8), the conveying assembly (12) and the clamping assembly (13), and the supporting plate (11) is away from the through hole (8). A vertical plate (17) is installed at one end of the conveying component (12), and a one-way screw rod (14) is connected between the two vertical plates (17) via a bearing. A driving component (1) is arranged on the outer side of the left vertical plate (17), and the right end of the driving component (1) is connected to the left end of the one-way screw rod (14). A nut (15) is screwed onto the outer wall of the one-way screw rod (14), and a first electric push rod (2) is installed at the bottom of the nut (15). A stepping motor (4) is installed at the output end of the first electric push rod (2), and a cutting knife (3) is installed at the power output end of the stepping motor (4).

2. A cutting device for FRP anchor production according to claim 1, characterized in that: The conveying assembly (12) comprises a second electric push rod (1201), the second electric push rod (1201) being mounted on the top of the inner side of the support plate (11), a movable seat (1203) being mounted on the output end of the second electric push rod (1201), a first conveying roller (1204) being connected between the movable seats (1203), a first driving motor (1205) for driving the first conveying roller (1204) to rotate being mounted on the outer side of the movable seat (1203), a fixed seat (1202) being mounted on one end of the inner side of the support plate (11) close to the movable seat (1203), a second conveying roller (1207) being connected between the fixed seats (1202), and a second driving motor (1206) for driving the second conveying roller (1207) to rotate being mounted on the outer side of the fixed seat (1202).

3. A cutting device for FRP anchor production according to claim 2, characterized in that: A sliding assembly (10) is provided between the movable seat (1203) and the support plate (11), the sliding assembly (10) comprising a pulley (1001), the pulley (1001) being mounted on the right end of the movable seat (1203), a slide rail (1002) being provided on the inner side of the support plate (11), and the pulley (1001) and the slide rail (1002) being rollingly connected.

4. A cutting device for FRP anchor production according to claim 1, characterized in that: The clamping assembly (13) comprises a frame (1304), wherein the frame (1304) is mounted on the right end of the top of the collecting tank (6), a second clamping seat (1306) is mounted on the inner bottom wall of the frame (1304), a screw rod (1302) is screwed to the top of the frame (1304), a turntable (1301) is mounted on the top of the screw rod (1302), a first clamping seat (1305) is connected to the bottom of the screw rod (1302) via a bearing, and a guide rod (1303) is connected between the first clamping seat (1305) and the frame (1304).

5. A cutting device for FRP anchor production according to claim 4, characterized in that: The first clamping seat (1305) and the second clamping seat (1306) are both provided with arc-shaped grooves (21) at one end close to the anchor rod body (9), and the inner sides of the two groups of arc-shaped grooves (21) are connected to rubber pads (22).

6. A cutting device for FRP anchor production according to claim 1, characterized in that: A pointer (18) is connected to the top of the nut (15); scale lines (16) are arranged at equal intervals on one end of the support plate (11) close to the pointer (18); one end of the two sets of vertical plates (17) close to the one-way screw rod (14) is connected to a limit rod (20); a limit hole (19) matching the limit rod (20) is provided in the inner cavity of the pointer (18); and the pointer (18) is sleeved on the outer side of the limit rod (20).

7. The cutting device for FRP anchor production according to claim 1, characterized in that: The driving assembly (1) comprises a housing (106), wherein the housing (106) is mounted on the outside of the vertical plate (17) at the left end, a servo motor (101) is mounted on the top of the housing (106), a driving shaft (102) is mounted on the power output end of the servo motor (101), a driving bevel gear (103) is mounted on the bottom of the driving shaft (102), a driven bevel gear (105) is meshedly connected to the bottom of the driving bevel gear (103), a driven shaft (104) is sleeved in the inner cavity of the driven bevel gear (105), a left end of the driven shaft (104) is connected to a left side wall of the inner cavity of the housing (106) via a bearing, and a right end of the driven shaft (104) is fixedly connected to the left end of the one-way screw rod (14).

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