Numerical control cutting machine for steel

Abstract

The utility model relates to a steel numerical control cutting machine which comprises a machine frame and a cutting saw blade, a moving seat and a conveying mechanism used for driving the moving seat to move are arranged on the machine frame, the moving seat is connected with the conveying mechanism, the cutting saw blade is installed on the moving seat, a driving motor is installed on the moving seat, and the driving motor is connected with the cutting saw blade. The driving motor is connected with the cutting saw blade, a clamping assembly and a moving assembly used for conveying steel are arranged on the machine frame, the clamping assembly comprises a clamping driving part, a plurality of clamping rods and an abutting part, the clamping rods are arranged on the two sides of the machine frame in a sliding fit mode, the clamping driving part is connected to the machine frame, and the abutting part abuts against the clamping driving part. The clamping driving piece is used for driving the clamping rod to move, and the abutting piece is installed on the clamping rod and used for abutting against the steel. The cutting machine has the effect of improving the applicability of the cutting machine.

Description

Technical Field

[0001] The utility model relates to the technical field of steel processing equipment, in particular to a numerical control steel cutter. Background Art

[0002] A cutter is a device used to cut solid objects. With the development of modern mechanical processing industry, the requirements for the quality and precision of cutting are constantly increasing, and the requirements for improving production efficiency, reducing production costs, and having a highly intelligent automatic cutting function are also on the rise. The development of numerical control cutters must meet the requirements of the development of modern mechanical processing industry.

[0003] The Chinese patent with the publication number CN204381517U discloses a steel cutter, which includes a cutting knife and a workbench. The workbench is provided with a transverse clamping groove, a supporting roller is arranged in the clamping groove, a cutting groove is arranged on the side surface of the clamping groove, a column is also arranged on the workbench, a slideway is arranged on the column, the opening of the slideway faces the clamping groove side, the slideway is connected to a bracket through a pulley, the bracket is connected to the workbench through a lead screw, a chute is arranged on the bracket, a positioning block connected to the cutting knife is arranged in the chute, the cutting knife is located below the bracket, and a scale line is arranged on the upper surface of the bracket. The structure of the utility model is reasonably designed and ingeniously conceived. The cutting size of the steel can be more accurate through the cutting groove and the scale line, avoiding deviation; the use of the bracket and the lead screw can realize semi-automation, greatly reducing the labor intensity of workers and completely avoiding potential safety hazards; the setting of the supporting roller can improve the operation stability of the equipment, reduce equipment wear and maintenance costs, and has strong practicability and is easy to be popularized and applied on a large scale.

[0004] In view of the above related technologies, in the prior art, workers use the clamping groove to limit the moving direction of the steel, so as to reduce the deviation phenomenon when the steel is cut. However, using the clamping groove to limit the steel will limit the size of the steel, making the cutter only applicable to one size of steel and reducing the applicability of the cutter. Content of the Utility Model

[0005] In order to improve the applicability of the cutter, the present application provides a numerical control steel cutter.

[0006] The numerical control steel cutter provided by the present application adopts the following technical solutions:

[0007] A CNC steel cutting machine comprises a frame and a cutting saw blade, wherein a movable seat and a conveying mechanism for driving the movable seat to move are arranged on the frame, the movable seat is connected to the conveying mechanism, the cutting saw blade is mounted on the movable seat, a driving motor is mounted on the movable seat, the driving motor is connected to the cutting saw blade, a clamping assembly and a movable assembly for conveying steel are arranged on the frame, the clamping assembly comprises a clamping drive, a clamping rod and a clamping member, the clamping rod is slidably fitted with a plurality of roots on both sides of the frame, the clamping drive is connected to the frame, the clamping drive is used to drive the clamping rod to move, the clamping member is mounted on the clamping rod, and the clamping member is used to clamp the steel.

[0008] By adopting the above technical solution, when cutting steel, the staff uses the moving assembly to move the steel to the specified position, and then uses the clamping driving members on both sides to drive the clamping rod to move, so that the abutting members on both sides move relatively until the steel is clamped, and then starts the driving motor to rotate the cutting saw blade, and then uses the conveying mechanism to convey the cutting saw blade to the specified position to cut the steel, thereby achieving the effect of processing the steel. The staff uses the driving clamping member to drive the clamping rod to move until the abutting member abuts the steel, so that the cutting machine can adapt to steel of sizes within the travel range of the driving clamping member, which increases the use occasions of the cutting machine and improves the applicability of the cutting machine.

[0009] Optionally, a mounting assembly is provided on the clamping rod, and the mounting assembly includes a toggle ring, a mounting post and a limiting block. A mounting hole is formed at one end of the clamping rod, and the limiting block is connected to the opening of the mounting hole. One end of the mounting post is connected to the clamping piece, and the other end is plugged into and fits in the mounting hole. A limiting groove is formed at a position of the mounting post corresponding to the limiting block, and the limiting block is slidably fitted in the limiting groove. The toggle ring is rotatably connected to one end of the clamping rod and is threadedly fitted with the mounting post.

[0010] By adopting the above technical solution, when installing the abutment, the staff inserts the installation column into the installation hole, makes the limiting block slide and fit in the limiting groove, and then rotates the toggle ring to move the installation column until the abutment moves to a suitable position, thus realizing the detachable installation of the abutment. The staff can easily replace the abutment for different types of steel by detachably installing the abutment, thereby improving the clamping efficiency of the steel.

[0011] Optionally, the retaining member is a retaining plate, and a plurality of anti-slip grooves are formed on a side wall of the retaining member away from the mounting column.

[0012] By adopting the above technical solution, the clamping plate is suitable for clamping right-angle steel sections. The clamping plate can clamp the right-angle surfaces on both sides of the steel sections, making the steel sections easier to clamp.

[0013] Optionally, the pressing member is a pressing block, and a pressing arc plate is connected to the pressing member, and anti-slip lines are provided on the pressing arc plate.

[0014] By adopting the above technical solution, the pressing arc plate is suitable for clamping tubular steel materials, pressing the tubular steel materials against the moving component, and making it easier to clamp the tubular steel materials.

[0015] Optionally, the moving component includes rotating rollers, rotating shafts and a moving motor. A plurality of rotating shafts are rotatably connected to the frame, the moving motor is connected to the frame and coaxially connected to one of the rotating shafts, and the plurality of rotating shafts are driven by a sprocket chain set. The rotating rollers are connected to the rotating shafts. When moving the steel materials, the steel materials move on the rotating rollers.

[0016] By adopting the above technical solution, when transporting the steel materials, the staff starts the moving motor to make the rotating shafts rotate, and through the sprocket chain set, the other rotating shafts rotate synchronously, driving the rotating rollers to rotate, and making the steel materials move on the surface of the rotating rollers, achieving the effect of transporting the steel materials.

[0017] Optionally, two cutting saw blades are provided on the moving seat, and an adjusting component is provided on the moving seat. The adjusting component includes an adjusting screw, a moving block and an adjusting handwheel. Two mounting seats are provided on the moving seat, the moving block is connected to the mounting seats, a moving groove is formed on the moving seat, the moving block is slidably matched in the moving groove, the adjusting screw is a bidirectional screw, the adjusting screw is rotatably connected to the moving seat, the adjusting screw passes through the two mounting seats at the same time and is in threaded cooperation with the mounting seats, the adjusting handwheel is connected to one end of the adjusting screw, the cutting saw blade is rotatably connected to the mounting seat, and the driving motor is connected to the mounting seat and coaxially connected to the cutting saw blade.

[0018] By adopting the above technical solution, when adjusting the distance between the two cutting saw blades, the staff rotates the adjusting handwheel to make the adjusting screw rotate, driving the two mounting seats to move towards the middle position of the moving seat at the same time, achieving the effect of adjusting the distance between the two cutting saw blades. By setting two cutting saw blades, compared with a cutting machine with one cutting saw blade, the staff can process more steel materials per unit time, improving the processing efficiency of the cutting machine. At the same time, the distance between the two cutting saw blades is adjusted through the adjusting component to adapt to steel materials with different length requirements.

[0019] Optionally, the conveying mechanism includes a horizontal conveying component and a vertical conveying component for conveying the lifting of the moving seat. The horizontal conveying component includes a horizontal motor, a horizontal conveying seat, and a horizontal screw. The horizontal conveying seat is vertically slidably engaged with the frame. The horizontal conveying seat is connected to the vertical conveying component. The horizontal screw is rotatably connected to the horizontal conveying seat. The horizontal motor is connected to the horizontal conveying seat and coaxially connected to the horizontal screw. The moving seat is slidably engaged with the horizontal conveying seat. The horizontal screw passes through the moving seat and is threadedly engaged with the moving seat.

[0020] By adopting the above technical solution, when driving the cutting saw blade to move, the operator starts the horizontal motor to rotate the horizontal screw, and the moving seat moves. After driving the cutting saw blade to the designated position, the vertical conveying component is used to drive the horizontal conveying seat to descend, so that the cutting saw blade descends to cut the steel, achieving the effect of driving the cutting saw blade to move.

[0021] Optionally, the vertical conveying component includes a vertical motor, a vertical screw, and a nut block. The vertical motor is connected to the frame. The vertical screw is vertically rotatably connected to the frame and connected to the output shaft of the vertical motor. The nut block is connected to the horizontal conveying seat. The vertical screw passes through the nut block and is threadedly engaged with the nut block.

[0022] By adopting the above technical solution, when driving the cutting saw blade to move vertically, the operator starts the vertical motor to rotate the vertical screw, and the nut block moves vertically, driving the horizontal conveying seat to move, achieving the effect of driving the cutting saw blade to move vertically.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. When cutting steel, after the operator uses the moving component to move the steel to the designated position, the clamping driving parts on both sides are used to drive the clamping rods to move, so that the pressing parts on both sides move relatively until the steel is clamped. Then the driving motor is started to rotate the cutting saw blade. Subsequently, the conveying mechanism is used to convey the cutting saw blade to the designated position to cut the steel, achieving the effect of processing the steel. The operator uses the driving clamping parts to drive the clamping rods to move until the pressing parts press against the steel, so that the cutting machine can adapt to steel with sizes within the stroke range of the driving clamping parts, increasing the usage occasions of the cutting machine and improving the applicability of the cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the overall structural schematic diagram of the numerical control cutting machine in Embodiment 1 of the present application.

[0026] Figure 2 is the structural schematic diagram of the moving component in Embodiment 1 of the present application.

[0027] Figure 3 It is a cross-sectional view used to illustrate the structure of the clamping assembly in Example 1 of the present application.

[0028] Figure 4 It is an exploded view used to illustrate the installation component structure in Example 1 of the present application.

[0029] Figure 5 It is a structural schematic diagram of the conveying mechanism in Example 1 of the present application.

[0030] Figure 6 It is a schematic diagram of the structure of the adjustment component in Example 1 of the present application.

[0031] Figure 7 It is an exploded view used to illustrate the structure of the fastening member in Example 2 of the present application.

[0032] Description of reference numerals: 1, frame; 11, controller; 2, cutting saw blade; 21, mounting seat; 22, driving motor; 3, moving assembly; 31, rotating roller; 32, rotating shaft; 33, moving motor; 4, clamping assembly; 41, clamping driving member; 42, clamping rod; 43, fastening member; 431, anti-slip groove; 432, fastening arc plate; 433, anti-slip pattern; 5, mounting assembly; 51, toggle ring; 52, mounting column; 5 21. Limiting groove; 53. Limiting block; 6. Moving seat; 61. Scale line; 7. Conveying mechanism; 71. Horizontal conveying assembly; 711. Horizontal motor; 712. Horizontal conveying seat; 713. Horizontal screw; 72. Vertical conveying assembly; 721. Vertical motor; 722. Vertical screw; 723. Nut block; 8. Adjusting assembly; 81. Adjusting screw; 811. Anti-loosening nut; 82. Moving block; 83. Adjusting handwheel. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-7 This application is described in further detail.

[0034] Embodiment 1 of the present application discloses a steel CNC cutting machine. Figure 1 The steel CNC cutting machine includes a frame 1 and a cutting saw blade 2.

[0035] Reference Figure 1 and Figure 2 The frame 1 is provided with a moving assembly 3, which includes a rotating roller 31, a rotating shaft 32 and a moving motor 33. The frame 1 is provided with a conveying trough along its length direction, and the rotating shaft 32 is rotatably connected to a plurality of shafts in the conveying trough, and the plurality of rotating shafts 32 are synchronously driven through a sprocket chain set. The moving motor 33 is mounted on the frame 1 and coaxially connected to one of the rotating shafts 32. The rotating roller 31 is fixedly connected to the rotating shaft 32 and is located in the conveying trough.

[0036] When conveying steel, the staff places the steel on the rotating roller 31, and then starts the moving motor 33 to rotate the rotating shaft 32, driving the rotating roller 31 to rotate, so that the steel moves on the rotating roller 31, thereby achieving the effect of conveying the steel.

[0037] Reference Figure 2 and Figure 3 The frame 1 is provided with a clamping assembly 4, which includes a clamping drive 41, a clamping rod 42 and a tightening member 43. A plurality of clamping rods 42 are slidably matched on both sides of the frame 1, and three are used as an example in this embodiment. The clamping drive 41 is a clamping cylinder, which is mounted on the frame 1. A connecting plate is fixedly connected to the output shaft of the clamping drive 41, and the clamping rod 42 is fixedly connected to the connecting plate.

[0038] Reference Figure 3 and Figure 4 , the clamping member 43 is a clamping plate, and a plurality of anti-slip grooves 431 are provided on the surface of the clamping member 43. A mounting assembly 5 is provided on the clamping rod 42, and the mounting assembly 5 includes a toggle ring 51, a mounting column 52 and a limiting block 53. The clamping rod 42 is located between the clamping member 43 and the connecting plate, and a mounting hole is provided at one end of the clamping rod 42, and the limiting block 53 is fixedly connected to the orifice of the mounting hole. The mounting column 52 is fixedly connected to the clamping member 43, and the mounting column 52 is plugged into the mounting hole. A limiting groove 521 is provided at the position of the mounting column 52 corresponding to the limiting block 53, and the limiting block 53 is slidably fitted in the limiting groove 521. The toggle ring 51 is rotatably connected to one end of the clamping rod 42, and is threadably fitted with the mounting column 52.

[0039] When clamping steel, the staff will first insert the installation column 52 into the installation hole, and then rotate the toggle ring 51 to move the installation column 52, drive the clamping member 43 to move to the specified position to complete the installation of the clamping member 43, and then start the clamping drive 41 to move the clamping rod 42, drive the clamping member 43 to move, until the clamping member 43 is in contact with the steel, thereby achieving the effect of clamping the steel.

[0040] Reference Figure 2 and Figure 5, a moving seat 6 and a conveying mechanism 7 are arranged on a frame 1. The conveying mechanism 7 includes a horizontal conveying component 71 and a vertical conveying component 72. The horizontal conveying component 71 includes a horizontal motor 711, a horizontal conveying seat 712 and a horizontal screw 713. The length direction of the horizontal conveying seat 712 is parallel to the length direction of the frame 1. A number of fixed columns are fixedly connected to the horizontal conveying seat 712. The fixed columns pass through the frame 1 and are slidably matched with the frame 1. A first sliding groove is formed in the bottom wall of the horizontal conveying seat 712. The horizontal screw 713 is rotatably connected in the first sliding groove. The horizontal motor 711 is installed at one end of the horizontal conveying seat 712 and is coaxially connected to one end of the horizontal screw 713. The moving seat 6 is slidably matched in the first sliding groove. The horizontal screw 713 passes through the moving seat 6 and is threadedly matched with the moving seat 6.

[0041] Referring to Figure 2 and Figure 5 , the vertical conveying component 72 includes a vertical motor 721, a vertical screw 722 and a nut block 723. The vertical screw 722 is vertically rotatably connected to the frame 1. The vertical motor 721 is installed on the frame 1 and is coaxially connected to the top end of the vertical screw 722. The nut block 723 is fixedly connected to the horizontal conveying seat 712. The vertical screw 722 passes through the nut block 723 and is threadedly matched with the nut block 723.

[0042] When conveying the moving seat 6, the staff starts the horizontal motor 711 to drive the horizontal screw 713 to rotate, so that the moving seat 6 moves to the designated position. Then, the vertical motor 721 is started to drive the vertical screw 722 to rotate, so that the nut block 723 descends, driving the horizontal conveying seat 712 to descend, achieving the effect of conveying the moving seat 6.

[0043] Referring to Figure 5 and Figure 6 , an adjusting component 8 is arranged on the moving seat 6. The adjusting component 8 includes an adjusting screw 81, a moving block 82 and an adjusting handwheel 83. A second sliding groove is formed in the bottom wall of the moving seat 6. Two mounting seats 21 are slidably matched in the second sliding groove. Two moving blocks 82 are fixedly connected to the mounting seats 21. A moving groove is formed in the moving seat 6 corresponding to the position of the moving blocks 82. The moving blocks 82 are slidably matched in the moving groove. Scale lines 61 are arranged on the side wall of the moving seat 6 corresponding to the position of the moving groove. The adjusting screw 81 is a bidirectional screw. The adjusting screw 81 is rotatably connected in the second sliding groove. The adjusting handwheel 83 is fixedly connected to one end of the adjusting screw 81. The adjusting screw 81 simultaneously passes through the two mounting seats 21 and is threadedly matched with the mounting seats 21. A locknut 811 is threadedly matched on the adjusting screw 81. The locknut 811 abuts against one end of the moving seat 6.

[0044] Referring to Figure 6, the cutting saw blade 2 is rotatably connected to the mounting seat 21, a driving motor 22 is mounted on the mounting seat 21, the driving motor 22 is coaxially connected to the cutting saw blade 2, and the two cutting saw blades 2 are arranged oppositely.

[0045] Referring to Figure 1 , Figure 2 and Figure 5 , a controller 11 is further mounted on the frame 1, and the moving motor 33, the clamping driving member 41, the horizontal motor 711, the vertical motor 721 and the driving motor 22 are all electrically connected to the controller 11.

[0046] The implementation principle of Embodiment 1 of this application, a numerical control steel cutter, is as follows: When cutting a steel section, the staff first rotates the adjusting handwheel 83 to rotate the adjusting screw 81, so that the two mounting seats 21 move synchronously until the distance between the two cutting saw blades 2 reaches the required cutting distance. Subsequently, the steel section is placed on the rotating roller 31, the clamping driving member 41 is started, the clamping rod 42 moves, driving the abutting member 43 to move until the abutting member 43 abuts against the side wall of the steel section to clamp the steel section. Subsequently, the horizontal motor 711 is started to drive the horizontal screw 713 to rotate, so that the moving seat 6 moves to the designated position. Subsequently, the vertical motor 721 is started to drive the vertical screw 722 to rotate, so that the nut block 723 descends, driving the horizontal conveying seat 712 to descend, and the cutting saw blade 2 descends to cut the steel section. Subsequently, the clamping assembly 4 is loosened, the moving motor 33 is started, the rotating roller 31 rotates, and after the steel section moves to the designated distance on the rotating roller 31, the effect of steel section processing is achieved.

[0047] The staff uses the driving clamping member to drive the clamping rod 42 to move until the abutting member 43 abuts against the steel, so that the cutting machine can adapt to steel with dimensions within the stroke range of the driving clamping member, increasing the usage occasions of the cutting machine and improving the applicability of the cutting machine.

[0048] Embodiment 2: The difference between this embodiment and Embodiment 1 lies in the different structure of the abutting member 43.

[0049] Referring to Figure 7 , the abutting member 43 is an abutting block, a tightening arc plate 432 is fixedly connected to the abutting member 43, and anti-slip lines 433 are arranged on the arc wall of the tightening arc plate 432.

[0050] When clamping the steel, the two abutting members 43 abut against the steel, so that the steel is abutted on the rotating roller 31. The abutting member 43 in this embodiment is suitable for the processing of tubular steel.

[0051] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A numerically controlled steel cutting machine, characterized in that: The invention comprises a frame (1) and a cutting saw blade (2); the frame (1) is provided with a moving seat (6) and a conveying mechanism (7) for driving the moving seat (6) to move; the moving seat (6) is connected to the conveying mechanism (7); the cutting saw blade (2) is mounted on the moving seat (6); a driving motor (22) is mounted on the moving seat (6); the driving motor (22) is connected to the cutting saw blade (2); the frame (1) is provided with a clamping assembly (4) and a conveying mechanism (7) for driving the moving seat (6) to move; The movable assembly (3) of the steel material, the clamping assembly (4) comprises a clamping driving member (41), a clamping rod (42) and a pressing member (43), the clamping rod (42) is slidably matched with a plurality of roots on both sides of the frame (1), the clamping driving member (41) is connected to the frame (1), the clamping driving member (41) is used to drive the clamping rod (42) to move, the pressing member (43) is installed on the clamping rod (42), and the pressing member (43) is used to press the steel material.

2. The CNC cutting machine for steel according to claim 1, characterized in that: The clamping rod (42) is provided with a mounting assembly (5), and the mounting assembly (5) comprises a toggle ring (51), a mounting column (52) and a limiting block (53). A mounting hole is provided at one end of the clamping rod (42), and the limiting block (53) is connected to the opening of the mounting hole. One end of the mounting column (52) is connected to the abutting member (43), and the other end is plugged into and fitted in the mounting hole. A limiting groove (521) is provided at a position of the mounting column (52) corresponding to the limiting block (53), and the limiting block (53) is slidably fitted in the limiting groove (521). The toggle ring (51) is rotatably connected to one end of the clamping rod (42) and is threadably fitted with the mounting column (52).

3. The CNC cutting machine for steel according to claim 2, characterized in that: The retaining member (43) is a retaining plate, and a plurality of anti-slip grooves (431) are formed on the side wall of the retaining member (43) away from the mounting column (52).

4. The numerically controlled steel cutting machine according to claim 2, wherein: The pressing member (43) is a pressing block, a pressing arc plate (432) is connected to the pressing member (43), and anti-slip grooves (433) are provided on the pressing arc plate (432).

5. The CNC cutting machine for steel according to claim 1, characterized in that: The moving assembly (3) comprises a rotating roller (31), a rotating shaft (32) and a moving motor (33); the rotating shaft (32) is rotatably connected to a plurality of the rotating shafts (32) on the frame (1); the moving motor (33) is connected to the frame (1) and is coaxially connected to one of the rotating shafts (32); the plurality of rotating shafts (32) are driven by a sprocket chain assembly; the rotating roller (31) is connected to the rotating shaft (32); when the steel is moved, the steel moves on the rotating roller (31).

6. The CNC cutting machine for steel according to claim 1, characterized in that: Two of the cutting saw blades (2) are provided on the moving seat (6). An adjusting assembly (8) is provided on the moving seat (6). The adjusting assembly (8) includes an adjusting screw (81), a moving block (82) and an adjusting handwheel (83). Two mounting seats (21) are provided on the moving seat (6). The moving block (82) is connected to the mounting seat (21). A moving groove is formed in the moving seat (6). The moving block (82) is slidably fitted in the moving groove. The adjusting screw (81) is a bidirectional screw. The adjusting screw (81) is rotatably connected to the moving seat (6). The adjusting screw (81) passes through the two mounting seats (21) at the same time and is in threaded cooperation with the mounting seat (21). The adjusting handwheel (83) is connected to one end of the adjusting screw (81). The cutting saw blade (2) is rotatably connected to the mounting seat (21). The driving motor (22) is connected to the mounting seat (21) and is coaxially connected to the cutting saw blade (2).

7. The CNC cutting machine for steel according to claim 1, wherein: The conveying mechanism (7) includes a horizontal conveying component (71) and a vertical conveying component (72) for conveying the lifting of the moving seat (6). The horizontal conveying component (71) includes a horizontal motor (711), a horizontal conveying seat (712) and a horizontal screw (713). The horizontal conveying seat (712) is slidably fitted vertically on the frame (1). The horizontal conveying seat (712) is connected to the vertical conveying component (72). The horizontal screw (713) is rotatably connected to the horizontal conveying seat (712). The horizontal motor (711) is connected to the horizontal conveying seat (712) and is coaxially connected to the horizontal screw (713). The moving seat (6) is slidably fitted on the horizontal conveying seat (712). The horizontal screw (713) passes through the moving seat (6) and is in threaded cooperation with the moving seat (6).

8. The CNC cutting machine for steel according to claim 7, wherein: The vertical conveying component (72) includes a vertical motor (721), a vertical screw (722) and a nut block (723). The vertical motor (721) is connected to the frame (1). The vertical screw (722) is rotatably connected vertically to the frame (1) and is connected to the output shaft of the vertical motor (721). The nut block (723) is connected to the horizontal conveying seat (712). The vertical screw (722) passes through the nut block (723) and is in threaded cooperation with the nut block (723).

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