Intelligent mold storing and taking stereoscopic warehouse

Abstract

The utility model discloses an intelligent mould storing and taking stereoscopic warehouse which comprises a warehouse frame, a moving device is arranged on the outer surface of the warehouse frame, the moving device comprises a rotating rod, the rotating rod rotates to drive a mould to move, and the intelligent mould storing and taking stereoscopic warehouse is provided with a fixing device to fix the mould. The supporting frame and the round rod are fixedly installed, the round rod moves to drive the supporting frame to stretch out and draw back, the supporting frame and the deflection clamps are rotationally connected through the supporting rod, one deflection clamp and the deflection rack are fixedly installed, the other deflection clamp and the rotating rack are fixedly installed, the deflection motor drives the deflection gear to rotate, and the deflection gear is meshed with the deflection rack and the rotating rack. And the deflection clamp is driven to deflect, so that the fixing block hinged to the deflection clamp through the pin shaft is driven to deflect, and the effect of automatically adjusting the angle when the mold is fixed is achieved.

Description

Technical Field

[0001] The present application relates to the field of intelligent storage and retrieval of molds, and in particular to an intelligent storage and retrieval stereoscopic warehouse for molds. Background Art

[0002] Molds play a key role in the manufacturing industry. They are tools used to produce large quantities of parts or products of the same shape. Mold types include die-casting molds, injection molds, blow molding molds, rubber molds, etc. Each type of mold has its own specific design and manufacturing requirements to adapt to different production processes and materials. Material selection: Molds are usually made of metals such as steel and aluminum. When selecting materials, factors such as wear resistance, thermal conductivity, processing performance and cost need to be considered to ensure the long-term and stable operation of the mold.

[0003] The Chinese patent with authorization announcement number CN110282326A discloses an intelligent storage and retrieval system and method for profiles in a three-dimensional warehouse, which belongs to the field of mechanical technology. The guide rail is fixed on the top of the shelf, the adjustable balance frame contacts the guide rail through a walking wheel frame, the adjustable balance frame driving device is connected to the adjustable balance frame, the gear rack mechanism is connected to the cone grabbing mechanism, the gear of the gear rack mechanism is connected and driven by a motor, the rack of the gear rack mechanism engaged with the gear is installed on the frame of the adjustable balance frame, the cone grabbing mechanism is installed on the guide rails hung on the walls on both sides of the adjustable balance frame through a linear slider, and the profile lifting mechanism is connected to the gear rack mechanism. The present invention can automatically store and retrieve profiles, replacing manual storage and retrieval of profiles or forklift storage and retrieval of profiles, and can store and retrieve profiles in single or multiple packages without the need to store and retrieve entire baskets, which facilitates the classification and arrangement of profiles, saves transfer channels and space, and is flexible, efficient, safe, and low-cost; the intelligent storage and retrieval system for profiles in a three-dimensional warehouse can be installed on the basis of the original warehouse system, and the cost of upgrading and transforming the warehouse profile retrieval system is low.

[0004] Regarding the above-mentioned related technologies, the inventor believes that when storing and accessing molds, the guide rails are set at the top of the shelves, which are usually at a high height. The installation and maintenance of the guide rails require operators to use ladders or other high-altitude working equipment, which increases the possibility of accidental falls or other safety risks. In addition, the above-mentioned mechanism uses cone thorns to grab the profiles, which is not suitable for grabbing molds. Cone thorn grabbing usually requires a certain pressure or penetration point to be formed on the mold surface, resulting in damage or scratches on the mold surface. Such damage may affect its service life and quality. Therefore, a mold intelligent storage and retrieval stereoscopic warehouse is proposed to solve the above-mentioned problems. Utility Model Content

[0005] In order to solve the technical problem that when storing and retrieving molds, the guide rails are set on the top of the shelves, and the installation and maintenance of the guide rails require the operator to use a ladder or other high-altitude working equipment, which increases the possibility of accidental falls or other safety risks. In addition, the above-mentioned mechanism uses cone thorns to grab the profiles, which is not suitable for grabbing molds and may cause damage or scratches on the mold surface, the present application provides a mold intelligent storage and retrieval stereoscopic warehouse.

[0006] This application provides a mold intelligent storage and retrieval stereoscopic warehouse, which adopts the following technical solutions:

[0007] A mold intelligent storage and retrieval stereoscopic warehouse comprises a warehouse frame. The outer surface of the warehouse frame is provided with a moving device. The moving device comprises a rotating rod. The rotation of the rotating rod drives the mold to move.

[0008] The outer surface of the warehouse frame is provided with a fixing device, and the fixing device includes a fixing block, and the deflection of the fixing block fixes the mold.

[0009] Optionally, the mobile device also includes a drive motor, which is fixedly mounted on the outer surface of the warehouse frame. The output shaft of the drive motor is fixedly mounted with a threaded rod through a coupling. One end of the threaded rod is rotatably connected to the inner wall of the groove of the warehouse frame through a bearing. The outer surface of the threaded rod is threadedly connected to a threaded sleeve, and the outer surface of the threaded sleeve is slidably plugged into the outer surface of the warehouse frame.

[0010] Optionally, a hydraulic cylinder is fixedly installed on the outer surface of the threaded sleeve, a fixed frame is fixedly installed on one end of the telescopic rod of the hydraulic cylinder, the outer surface of the fixed frame is rotatably connected to the outer surface of the rotating rod through a bearing, a rotating gear is fixedly installed on the outer surface of the rotating rod, the outer surface of the rotating rod is rotatably connected to a support rod, and a bracket is fixedly installed on the outer surface of the rotating rod.

[0011] Optionally, a rotating gear is fixedly installed on the outer surface of the support rod, a connecting rod is fixedly installed on the outer surface of the support rod, one end of the connecting rod is hinged to a round rod through a pin shaft, the outer surface of the round rod is slidingly plugged into the inner wall of the bracket, a rotating motor is fixedly installed on the inner wall of the fixed frame, and the output shaft of the rotating motor is slidingly sleeved with a driving gear.

[0012] Optionally, the driving gear meshes with the rotating gear after rising, and meshes with the rotating gear after descending. The output shaft of the rotating motor is fixedly mounted with an electromagnet, and the lower surface of the electromagnet is magnetically connected to the upper surface of the rotating gear through an adsorption part. The output shaft of the rotating motor is fixedly mounted with a spring that forces the driving gear to reset.

[0013] Optionally, the fixing device also includes a support frame, the outer surface of the support frame is fixedly mounted to the outer surface of the round rod, the outer surface of the support frame is rotatably connected to a deflection clamp through a support rod, and the outer surface of the deflection clamp is hinged to the outer surface of the fixing block through a pin shaft.

[0014] Optionally, a deflection rack is fixedly mounted on the outer surface of one deflection clamp, a rotating rack is fixedly mounted on the outer surface of the other deflection clamp, a deflection motor is fixedly mounted on the inner wall of the groove of the support frame, a deflection gear is fixedly mounted on the output shaft of the deflection motor, and the deflection gear is respectively engaged with the deflection rack and the rotating rack.

[0015] In summary, this application includes at least one of the following beneficial technical effects:

[0016] 1. A moving device is provided to drive the mold to move. The driving motor drives the threaded rod to rotate, driving the threaded sleeve that is threadedly connected to the threaded rod and slidably plugged into the warehouse frame to move on the threaded rod, driving the hydraulic cylinder fixedly mounted on the threaded sleeve to move, thereby driving the fixed frame fixedly mounted on the telescopic rod of the hydraulic cylinder to move. The extension and contraction of the telescopic rod of the hydraulic cylinder drives the fixed frame to rise and fall. The driving motor drives the driving gear slidably sleeved therewith to rotate. When the electromagnet is energized, under the action of the adsorption member, the driving gear rises and engages with the rotating gear, driving the support rod to rotate, driving the connecting rod fixed thereto to rotate, driving the round rod hinged to the connecting rod through a pin shaft to move on the inner wall of the slidingly plugged bracket. When the electromagnet is de-energized, the driving gear resets under the action of the spring and engages with the rotating gear, driving the rotating rod to rotate. The rotation of the rotating rod drives the bracket to rotate together, so that the position can be adjusted when the mold is stored and retrieved. This solves the technical problem that when the mold is stored and retrieved, the guide rail is set at the top of the shelf. The top of the shelf is usually high. The installation and maintenance of the guide rail requires the operator to use a ladder or other high-altitude working equipment, which increases the possibility of accidental falls or other safety risks.

[0017] 2. The mold is fixed by setting a fixing device. The support frame is fixed to the round rod. The movement of the round rod drives the support frame to extend and retract. The support frame and the deflection clamp are rotatably connected through the support rod. One deflection clamp is fixed to the deflection rack, and the other deflection clamp is fixed to the rotating rack. The deflection motor drives the deflection gear to rotate. The deflection gear engages with the deflection rack and the rotating rack respectively, driving the deflection clamp to deflect, thereby driving the fixed block hinged to the deflection clamp through the pin shaft to deflect, so that the angle can be adjusted automatically when the mold is fixed. This solves the problem that the above-mentioned mechanism grabs the profile through cone thorns when the mold is stored and retrieved, and is not suitable for grabbing the mold. The cone thorn grabbing usually requires a certain pressure or piercing point to be formed on the mold surface, resulting in damage or scratches on the mold surface. Such damage may affect its service life and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of a mold intelligent storage and retrieval stereoscopic warehouse proposed by the utility model;

[0019] Figure 2 This is a three-dimensional diagram of the driving motor structure of a mold intelligent storage and retrieval three-dimensional warehouse proposed by the utility model;

[0020] Figure 3 This is a three-dimensional diagram of the hydraulic cylinder structure of a mold intelligent storage and retrieval three-dimensional warehouse proposed by the utility model;

[0021] Figure 4 This is a three-dimensional diagram of the deflection clamp structure of the mold intelligent storage and retrieval three-dimensional warehouse proposed by the utility model.

[0022] In the figure: 1. Warehouse frame; 2. Driving motor; 21. Threaded rod; 22. Threaded sleeve; 3. Hydraulic cylinder; 31. Fixed frame; 32. Rotating rod; 33. Rotating gear; 34. Support rod; 35. Bracket; 4. Rotating gear; 41. Connecting rod; 42. Round rod; 43. Rotating motor; 44. Driving gear; 5. Electromagnet; 51. Spring; 6. Support frame; 61. Deflection clamp; 62. Fixed block; 7. Deflection rack; 71. Rotating rack; 72. Deflection motor; 73. Deflection gear. DETAILED DESCRIPTION

[0023] The following is combined with Figures 1-4 This application is described in further detail.

[0024] Reference Figures 1-4 A mold intelligent storage and retrieval stereoscopic warehouse includes a warehouse frame 1. The outer surface of the warehouse frame 1 is provided with a moving device, which includes a rotating rod 32. The rotation of the rotating rod 32 drives the mold to move.

[0025] In order to drive the threaded rod 21 to rotate, the moving device also includes a driving motor 2, which is fixedly mounted on the outer surface of the warehouse frame 1. The output shaft of the driving motor 2 is fixedly mounted with the threaded rod 21 through a coupling. One end of the threaded rod 21 is rotatably connected to the inner wall of the groove of the warehouse frame 1 through a bearing. The outer surface of the threaded rod 21 is threadedly connected with a threaded sleeve 22, and the outer surface of the threaded sleeve 22 is slidably plugged into the outer surface of the warehouse frame 1. By installing the driving motor 2, the threaded rod 21 is driven to rotate, and the threaded sleeve 22, which is threadedly connected to the threaded rod 21 and slidably plugged into the warehouse frame 1, moves on the threaded rod 21, and drives the hydraulic cylinder 3 fixedly mounted on the threaded sleeve 22 to move, thereby driving the fixed frame 31 fixedly mounted on the telescopic rod of the hydraulic cylinder 3 to move, so as to adjust the position when storing and accessing the mold.

[0026] In order to drive the hydraulic cylinder 3 to move, the hydraulic cylinder 3 is fixedly installed on the outer surface of the threaded sleeve 22, and a fixed frame 31 is fixedly installed on one end of the telescopic rod of the hydraulic cylinder 3. The outer surface of the fixed frame 31 is rotatably connected to the outer surface of the rotating rod 32 through a bearing. The outer surface of the rotating rod 32 is fixedly installed with a rotating gear 33. The outer surface of the rotating rod 32 is rotatably connected with a support rod 34. The outer surface of the rotating rod 32 is fixedly installed with a bracket 35. It is fixedly installed with the hydraulic cylinder 3 through the threaded sleeve 22. The movement of the threaded sleeve 22 drives the hydraulic cylinder 3 to move. The telescopic rod of the hydraulic cylinder 3 is fixedly installed with the fixed frame 31. The movement of the hydraulic cylinder 3 drives the fixed frame 31 to move. At the same time, the extension and retraction of the telescopic rod drives the fixed frame 31 to rise and fall, and the fixed frame 31 is rotatably connected to the rotating rod 32 through the bearing, so that the rotation of the fixed frame 31 does not affect the fixed frame 31 while it is fixed. The rotating rod 32 is fixedly installed with the rotating gear 33, and the driving gear 44 is engaged with the rotating gear 33 after it descends, driving the rotating rod 32 to rotate. The rotating rod 32 is rotatably connected to the support rod 34 to fix it, and the rotation of the support rod 34 does not affect the rotating rod 32. The rotating rod 32 is fixedly installed with the bracket 35, and the rotation of the rotating rod 32 drives the bracket 35 to rotate together, so that the position can be adjusted when the mold is stored and retrieved.

[0027] The outer surface of the round rod 42 is slidably connected to the inner wall of the bracket 35, and a rotating motor 43 is fixedly installed on the inner wall of the fixed frame 31. The output shaft of the rotating motor 43 is slidably connected to the driving gear 44. After the driving gear 44 rises, it meshes with the rotating gear 4, driving the support rod 34 to rotate, driving the connecting rod 41 fixedly installed thereon to rotate, driving the round rod 42 hinged with the connecting rod 41 through the pin, and moving on the inner wall of the slidingly connected bracket 35. A driving motor 2 is fixedly installed on the inner wall of the fixed frame 31, driving the driving gear 44 slidably connected thereto to rotate, and after the driving gear 44 descends, it meshes with the rotating gear 33, driving the rotating rod 32 to rotate. The rotation of the rotating rod 32 drives the bracket 35 to rotate together, so as to adjust the position when the mold is stored and retrieved.

[0028] In order to drive the bracket 35 to rotate, the driving gear 44 rises and meshes with the rotating gear 4, and the driving gear 44 falls and meshes with the rotating gear 33. The output shaft of the rotating motor 43 is fixedly installed with an electromagnet 5. The lower surface of the electromagnet 5 is magnetically connected to the upper surface of the rotating gear 33 through an adsorption piece. The output shaft of the rotating motor 43 is fixedly installed with a spring 51 that forces the driving gear 44 to reset. When the electromagnet 5 is energized, under the action of the adsorption piece, the driving motor 2 rises and meshes with the rotating gear 4, driving the support rod 34 to rotate. The electromagnet 5 is de-energized. Under the action of the spring 51, the driving gear 44 is reset and meshes with the rotating gear 33, driving the rotating rod 32 to rotate. The rotation of the rotating rod 32 drives the bracket 35 to rotate together, so that the position can be adjusted when the mold is stored and retrieved.

[0029] By setting a moving device, the mold is driven to move, the driving motor 2 drives the threaded rod 21 to rotate, drives the threaded sleeve 22 threadedly connected to the threaded rod 21, and slides with the warehouse frame 1 to move on the threaded rod 21, driving the hydraulic cylinder 3 fixedly mounted on the threaded sleeve 22 to move, thereby driving the fixed frame 31 fixedly mounted on the telescopic rod of the hydraulic cylinder 3 to move, and the telescopic rod of the hydraulic cylinder 3 is extended and retracted to drive the fixed frame 31 to rise and fall, and the driving motor 2 drives the driving gear 44 slidingly sleeved therewith to rotate, and the electromagnet 5 is energized. Under the action of the adsorption part, the driving gear 44 rises and meshes with the rotating gear 4, driving the support rod 34 to rotate, driving the fixed frame 31 fixed thereto. The fixed connecting rod 41 rotates, driving the round rod 42 hinged to the connecting rod 41 by a pin to move on the inner wall of the sliding bracket 35. The electromagnet 5 is powered off. Under the action of the spring 51, the driving gear 44 is reset and meshed with the rotating gear 33, driving the rotating rod 32 to rotate. The rotation of the rotating rod 32 drives the bracket 35 to rotate together, so that the position can be adjusted when the mold is stored and retrieved. This solves the technical problem that when the mold is stored and retrieved, the guide rail is set at the top of the shelf, and the top of the shelf is usually at a high height. The installation and maintenance of the guide rail requires the operator to use a ladder or other high-altitude working equipment, which increases the possibility of accidental falls or other safety risks.

[0030] In order to fix the mold, a fixing device is provided on the outer surface of the warehouse frame 1 , and the fixing device includes a fixing block 62 , and the deflection of the fixing block 62 fixes the mold.

[0031] In order to drive the support frame 6 to extend and retract, the fixing device also includes a support frame 6. The outer surface of the support frame 6 is fixedly installed on the outer surface of the round rod 42. The outer surface of the support frame 6 is rotatably connected to the deflection clamp 61 through the support rod. The outer surface of the deflection clamp 61 and the outer surface of the fixed block 62 are hinged by a pin. The support frame 6 is fixed to the round rod 42. The movement of the round rod 42 drives the support frame 6 to extend and retract. The support frame 6 and the deflection clamp 61 are rotatably connected through the support rod, which fixes it without affecting its rotation. The deflection clamp 61 is hinged to the fixed block 62 through a pin, which fixes it without affecting its deflection, so that the angle can be adjusted automatically when the mold is fixed.

[0032] In order to drive the deflection clamp 61 to deflect, a deflection rack 7 is fixedly installed on the outer surface of one deflection clamp 61, and a rotating rack 71 is fixedly installed on the outer surface of the other deflection clamp 61. A deflection motor 72 is fixedly installed on the inner wall of the groove of the support frame 6, and a deflection gear 73 is fixedly installed on the output shaft of the deflection motor 72. The deflection gear 73 is respectively engaged with the deflection rack 7 and the rotating rack 71. One deflection clamp 61 is fixedly installed with the deflection rack 7, and the other deflection clamp 61 is fixedly installed with the rotating rack 71. The deflection motor 72 drives the deflection gear 73 to rotate, and the deflection gear 73 is respectively engaged with the deflection rack 7 and the rotating rack 71, driving the deflection clamp 61 to deflect, thereby driving the fixed block 62 hinged to the deflection clamp 61 through a pin shaft to deflect, so that the angle can be adjusted automatically when the mold is fixed.

[0033] The mold is fixed by setting a fixing device, and the support frame 6 is fixedly installed on the round rod 42. The movement of the round rod 42 drives the support frame 6 to extend and retract. The support frame 6 is rotatably connected to the deflection clamp 61 through the support rod. One deflection clamp 61 is fixedly installed on the deflection rack 7, and the other deflection clamp 61 is fixedly installed on the rotating rack 71. The deflection motor 72 drives the deflection gear 73 to rotate. The deflection gear 73 engages with the deflection rack 7 and the rotating rack 71 respectively, driving the deflection clamp 61 to deflect, thereby driving the fixed block 62 hinged to the deflection clamp 61 through a pin to deflect, so that the angle can be adjusted automatically when the mold is fixed. This solves the problem that when the mold is stored and retrieved, the above-mentioned mechanism grabs the profile through the cone thorn, which is not suitable for grabbing the mold. The cone thorn grabbing usually requires a certain pressure or piercing point to be formed on the mold surface, resulting in damage or scratches on the mold surface. Such damage may affect its service life and quality.

[0034] Working principle: When it is necessary to access the mold and adjust the position of the fixing device, the driving motor 2 is started to drive the threaded rod 21 to rotate, driving the warehouse frame 1 that is threadedly connected to the threaded rod 21 and slidingly plugged with the warehouse frame 1 to move, the hydraulic rod is started, and the telescopic rod of the hydraulic cylinder 3 is extended to drive the fixed frame 31 fixed thereto to rise, and the rotating motor 43 is started to drive the driving gear 44 to rotate, and the electromagnet 5 is powered off. Under the action of the spring 51, the driving gear 44 is reset and meshed with the rotating gear 33, driving the rotating rod 32 to rotate, and the rotation of the rotating rod 32 drives the bracket 35 to rotate together, and the electromagnet 5 is energized. Under the action of the adsorption part, the driving gear 44 rises and meshes with the rotating gear 4, driving the support rod 34 to rotate, driving the connecting rod 41 fixed thereto to rotate, and driving the round rod 42 hinged to the connecting rod 41 through the pin to move on the inner wall of the sliding plug-in bracket 35, thereby driving the support frame 6 fixedly mounted on the round rod 42 to extend and retract;

[0035] When the mold needs to be fixed, the deflection motor 72 is started to drive the deflection gear 73 to rotate. The deflection gear 73 engages with the deflection rack 7 and the rotating rack 71 respectively, driving the deflection clamp 61 connected to the support frame 6 through the support rod to deflect, thereby driving the fixed block 62 hinged to the deflection clamp 61 through the pin shaft to deflect, so that the angle can be adjusted automatically when the mold is fixed.

[0036] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A mold intelligent storage and retrieval stereoscopic warehouse, characterized by: It comprises a warehouse frame (1), wherein the outer surface of the warehouse frame (1) is provided with a moving device, wherein the moving device comprises a rotating rod (32), and the rotation of the rotating rod (32) drives the mold to move; The outer surface of the warehouse frame (1) is provided with a fixing device, which comprises a fixing block (62), and the deflection of the fixing block (62) fixes the mold.

2. The mold intelligent storage and retrieval high-bay warehouse according to claim 1, characterized in that: The mobile device further comprises a drive motor (2), the drive motor (2) being fixedly mounted on the outer surface of the warehouse frame (1), the output shaft of the drive motor (2) being fixedly mounted with a threaded rod (21) via a coupling, one end of the threaded rod (21) being rotatably connected to the inner wall of the groove of the warehouse frame (1) via a bearing, the outer surface of the threaded rod (21) being threadedly connected to a threaded sleeve (22), and the outer surface of the threaded sleeve (22) being slidably plugged into the outer surface of the warehouse frame (1).

3. The mold intelligent storage and retrieval high-bay warehouse according to claim 2, characterized in that: A hydraulic cylinder (3) is fixedly mounted on the outer surface of the threaded sleeve (22); a fixed frame (31) is fixedly mounted on one end of the telescopic rod of the hydraulic cylinder (3); the outer surface of the fixed frame (31) is rotatably connected to the outer surface of the rotating rod (32) via a bearing; a rotating gear (33) is fixedly mounted on the outer surface of the rotating rod (32); a support rod (34) is rotatably connected to the outer surface of the rotating rod (32); and a bracket (35) is fixedly mounted on the outer surface of the rotating rod (32).

4. The mold intelligent storage and retrieval high-bay warehouse according to claim 3, characterized in that: A rotating gear (4) is fixedly mounted on the outer surface of the support rod (34), a connecting rod (41) is fixedly mounted on the outer surface of the support rod (34), one end of the connecting rod (41) is hingedly connected to a round rod (42) via a pin, the outer surface of the round rod (42) is slidably plugged into the inner wall of the bracket (35), a rotating motor (43) is fixedly mounted on the inner wall of the fixed frame (31), and the output shaft of the rotating motor (43) is slidably sleeved with a driving gear (44).

5. The mold intelligent storage and retrieval high-bay warehouse according to claim 4, characterized in that: The driving gear (44) is meshed with the rotating gear (4) after rising, and is meshed with the rotating gear (33) after descending. An electromagnet (5) is fixedly mounted on the output shaft of the rotating motor (43), and the lower surface of the electromagnet (5) is magnetically connected to the upper surface of the rotating gear (33) through an adsorption member. A spring (51) for forcing the driving gear (44) to return is fixedly mounted on the output shaft of the rotating motor (43).

6. The mold intelligent storage and retrieval high-bay warehouse according to claim 5, characterized in that: The fixing device further comprises a support frame (6), the outer surface of the support frame (6) being fixedly mounted to the outer surface of the round rod (42), the outer surface of the support frame (6) being rotatably connected to a deflection clamp (61) via a support rod, and the outer surface of the deflection clamp (61) being hinged to the outer surface of the fixing block (62) via a pin.

7. The mold intelligent storage and retrieval high-bay warehouse according to claim 6, characterized in that: A deflection rack (7) is fixedly mounted on the outer surface of one of the deflection clamps (61), a rotating rack (71) is fixedly mounted on the outer surface of the other deflection clamp (61), a deflection motor (72) is fixedly mounted on the inner wall of the groove of the support frame (6), a deflection gear (73) is fixedly mounted on the output shaft of the deflection motor (72), and the deflection gear (73) is respectively engaged with the deflection rack (7) and the rotating rack (71).

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