Material collecting device of full-automatic overedger

Abstract

The utility model discloses a material receiving device of a full-automatic overedger, which is arranged behind a working table of the full-automatic overedger and comprises a machine base, a material shifting assembly is arranged at the rear end of the working table through a fixing frame, a transmission assembly is arranged on the surface of a bottom frame at the bottom end of the machine base, and lifting assemblies are arranged in the left side and the right side of the machine base. The bottom end of the lifting assembly is connected with the output end of the transmission assembly through two first bevel gears which are meshed with each other, the movable end in the lifting assembly is connected with a material collecting table plate, cross beams are arranged on the front side and the rear side of the top end of the machine base, the bottom ends of the cross beams are connected with first synchronous belt modules, and the output ends of the first synchronous belt modules are connected with first air cylinders. The output end of the first air cylinder is connected with the clamping assembly, the material stirring assembly moves sewed cut-parts to the rear end of the workbench, then the cut-parts are clamped by the clamping assembly and dragged to the material collecting table plate to be stacked in order, the height of the material collecting table plate is adjusted by the lifting assembly, and enough space is reserved in the material collecting table plate for material collecting.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing processing equipment field, concretely is a full -automatic overlock machine's material receiving device. BACKGROUND

[0002] The overlock machine is a commonly used equipment for garment production, which is favored due to its advantages of cutting and sewing processing. With the improvement of garment production requirements, the demand for overlock machine output capacity is also increasing, and some defects of the overlock machine gradually appear in this process.

[0003] For example, the general overlock machine in the production process is generally operated by specially equipped operators in the form of manual operation. When the production scale expands, the operator's operation will become more frequent, and other operations during the operation of the overlock machine also need to be considered. When one person cannot simultaneously operate the overlock machine, more operators need to be equipped to operate and control the overlock machine. The additional labor cost will increase the cost of garment production and processing. The existing overlock machine still cannot match the increasing demand for garment processing capacity in terms of intelligence, and the improvement in structure should also develop in the direction of miniaturization like other garment processing equipment. SUMMARY

[0004] In view of the technical defects in the background art, the utility model provides a full -automatic overlock machine's material receiving device, which solves the above technical problems and meets the actual demand. The specific technical scheme is as follows:

[0005] The utility model discloses a full -automatic overlock machine's material receiving device, the material receiving device sets up at the rear of the workstation of full -automatic overlock machine, the material receiving device includes the base, the rear end of the workstation is provided with the material shifting assembly through the fixed frame, the surface of the chassis bottom of the base is equipped with transmission assembly, the left and right sides of the base are equipped with lifting assembly, the bottom of the lifting assembly is connected with the output end of transmission assembly through two first bevel gears that interlock and realizes transmission, the movable end in the lifting assembly is connected with the material receiving platform that moves up and down in the space above transmission assembly, the front and rear sides of the top of the base are equipped with crossbeam, the bottom of the crossbeam is connected with first synchronous belt module, the output end of first synchronous belt module is connected with the first cylinder that moves back and forth in the space above the material receiving platform, the output end of the first cylinder is connected with the clamping assembly that moves up and down in the space above the material receiving platform.

[0006] As a further embodiment of the present invention, the clamping assembly includes a connecting frame, a first connecting plate and an electric clamp, the output end of the first cylinder is fixedly connected to the top of the connecting frame, the bottom end of the connecting frame is arranged along the longitudinal direction of the machine base and connected to several first connecting plates, and the electric clamp is connected to the front end of the first connecting plate.

[0007] As a further embodiment of the present invention, the top end of the connecting frame is a second connecting plate with an L-shaped cross-section, the vertical part and the horizontal part of the second connecting plate are provided with a plurality of first waist holes, the bottom end of the connecting frame and the output end of the first cylinder are provided with a plurality of connecting holes, and the end of the first connecting plate away from the electric clamp is provided with a plurality of second waist holes.

[0008] As a further embodiment of the present invention, the material shifting assembly includes a second synchronous belt module and a second cylinder, the fixed frame is fixedly connected to one side of the rear end of the workbench, the second synchronous belt module is fixedly connected to the top of the fixed frame, the second cylinder is connected to the output end of the second synchronous belt module and moves back and forth in the space above the rear end of the workbench, and the output end of the second cylinder moves up and down in the space above the rear end of the workbench.

[0009] As a further embodiment of the present invention, a mounting groove is provided at the bottom of the second synchronous belt module, a third connecting plate is provided below the end of the second synchronous belt module close to the machine base, the third connecting plate is fixedly connected to a proximity switch, and the output end of the second synchronous belt module outside the second cylinder is connected to a light shielding plate that moves back and forth in the space above the rear end of the workbench.

[0010] As a further embodiment of the present invention, the third connecting plate is provided with a third waist hole facing the mounting groove, and the light shielding plate is provided with a fourth waist hole.

[0011] As a further embodiment of the present invention, the transmission assembly includes a power source, a transmission shaft, a driving wheel and a driven wheel. The power source is arranged on the surface of the chassis, and the chassis surface outside the power source is provided with several first fixed seats arranged in a straight line along the longitudinal direction of the chassis. The transmission shaft is fitted in the first fixed seat and both ends of the axial direction are fixedly connected to the first bevel gear. The output end of the power source is connected to the driving wheel, and the driven wheel is arranged on the transmission shaft outside the power source. The driving wheel and the driven wheel are connected by a transmission belt to realize transmission.

[0012] As a further embodiment of the present invention, a second bevel gear is fixedly connected to the end of the transmission shaft outside the first bevel gear, and the second bevel gear is meshed with the first bevel gear connected to the lifting assembly.

[0013] As a further embodiment of the utility model, the lifting assembly includes a connecting seat and a lead screw, the connecting seat is arranged in the machine base above the left and right ends of the transmission assembly respectively, a cavity is arranged in the machine base above the connecting seat, the lead screw is vertically matched in the connecting seat and penetrates into the cavity, the lead screw nut of the lead screw is located in the cavity, the bottom end of the lead screw is connected with a first bevel gear, the sidewall of the machine base located outside the lead screw and close to the center of the machine base is provided with a first sliding groove, one end of the lead screw nut extends to the middle part of the machine base through the first sliding groove and is fixedly connected with the end part of the material collecting platform.

[0014] As a further embodiment of the utility model, the machine base sidewall of the connecting seat front and back is provided with a second fixing seat, the second fixing seat is connected with a connecting column vertically arranged in the cavity, a sliding block is matched outside the connecting column, the sidewall of the machine base located outside the connecting column and close to the center of the machine base is provided with a second sliding groove, one end of the sliding block extends to the middle part of the machine base through the second sliding groove and is fixedly connected with the end part of the material collecting platform.

[0015] The utility model discloses the beneficial effect is: the material collecting device in the material shifting subassembly moves the piece that sews to the rear end of the work table, then by clamping subassembly to the piece that moves to the rear end of the work table is clamped, and it is dragged to the material collecting platform on the neat stacking of material collecting, the height of material collecting platform can be adjusted through the lifting assembly, so that the piece that sews is reserved enough space to the material collecting device structure simple, and the material collecting is neat, and the floor space is small. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural diagram of the material collecting device.

[0017] Figure 2 It is the internal structure diagram of the machine base.

[0018] Figure 3 It is the structure diagram of the clamping subassembly Figure 1 .

[0019] Figure 4 It is the structure diagram of the clamping subassembly Figure 2 .

[0020] Figure 5 It is the structure diagram of the material shifting subassembly Figure 1 .

[0021] Figure 6 It is the structure diagram of the material shifting subassembly Figure 2 .

[0022] Figure 7 It is the structure diagram of the transmission assembly and the lifting assembly.

[0023] In the figure, 1, workbench; 11, fixed frame; 2, machine base; 21, crossbeam; 22, first synchronous belt module; 23, first air cylinder; 24, material receiving table plate; 25, cavity; 26, first sliding groove; 27, second sliding groove; 3, clamping assembly; 31, connecting frame; 32, first connecting plate; 321, second waist hole; 33, electric clamping jaw; 34, second connecting plate; 341, first waist hole; 35, connecting hole; 4, material pushing assembly; 41, second synchronous belt module; 411, mounting groove; 42, second air cylinder; 43, third connecting plate; 431, third waist hole; 44, proximity switch; 45, sun visor; 451, fourth waist hole; 5, transmission assembly; 51, power source; 52, transmission shaft; 53, driving wheel; 54, driven wheel; 55, first fixed seat; 56, second bevel gear; 6, lifting assembly; 61, connecting seat; 62, lead screw; 621, lead screw nut; 63, second fixed seat; 64, connecting column; 65, sliding block; 7, first bevel gear. DETAILED DESCRIPTION

[0024] The utility model discloses a full -automatic overlock machine's material receiving device, such as Figure 1 And Figure 2 Combination shows, this material receiving device sets up in the workbench 1 rear of full -automatic overlock machine, the material receiving device includes machine base 2, the rear end of workbench 1 is provided with material pushing assembly 4 through fixed frame 11, the chassis surface of machine base 2 bottom end is equipped with transmission assembly 5, the left and right sides of machine base 2 are equipped with lifting assembly 6, the bottom end of lifting assembly 6 is connected with the output end of transmission assembly 5 through two first bevel gears 7 of intermeshing and realizes transmission, the movable end in lifting assembly 6 is connected with the material receiving table plate 24 that moves up and down in the space of machine base 2 top of transmission assembly 5, the front and rear sides of machine base 2 top end are equipped with crossbeam 21, the bottom end of crossbeam 21 is connected with first synchronous belt module 22, the output end of first synchronous belt module 22 is connected with first air cylinder 23 that moves back and forth in the space above material receiving table plate 24, the output end of first air cylinder 23 is connected with clamping assembly 3 that moves up and down in the space above material receiving table plate 24.

[0025] It needs to be explained that: after the automatic overlock machine sews the cutting piece, the cutting piece is transported to the workbench 1 position close to the side of the material pushing assembly 4, the material pushing assembly 4 moves the sewn cutting piece to the rear end of the workbench 1, the first synchronous belt module 22 can drive the first cylinder 23 to move to the position close to the end of the cutting piece, and then cooperate with the first cylinder 23 to control the height position of the clamping assembly 3, so that the clamping assembly 3 moves to the end of the cutting piece and clamps the cutting piece, and finally the cutting piece is dragged to the surface of the material receiving table 24 by the first synchronous belt module 22 to be stacked, because the stroke of the first synchronous belt module 22 dragging the cutting piece to the above of the material receiving table 24 is fixed, so the cutting piece is stacked on the material receiving table 24. The height of the material receiving table 24 can be adjusted by the lifting assembly 6, so that enough space is reserved for the material receiving table 24 to receive the sewn cutting piece. The cutting piece receiving device has the advantages of simple structure, efficient and neat cutting piece receiving, and small floor area.

[0026] It needs to be further explained that, as shown in Figure 1 、 Figure 3 and Figure 4 , the clamping assembly 3 comprises a connecting frame 31, a first connecting plate 32 and an electric clamping jaw 33, the output end of the first cylinder 23 is fixedly connected with the top end of the connecting frame 31, and the bottom end of the connecting frame 31 is provided with a plurality of first connecting plates 32 along the longitudinal direction of the machine base 2, and the electric clamping jaw 33 is connected with the front end of the first connecting plate 32.

[0027] Among them, the first cylinder 23 drives the connecting frame 31 to move up and down to realize the height adjustment of the electric clamping jaw 33, so that the clamping end of the electric clamping jaw 33 can be aligned with the end position of the cutting piece located at the rear end of the workbench 1, thereby realizing the clamping of the cutting piece; and the first connecting plate 32 connects a plurality of electric clamping jaws 33 to ensure the clamping effect of the clamping assembly 3 on the cutting piece. The clamping of the end of the cutting piece by the plurality of electric clamping jaws 33 can make the end of the cutting piece stable on a straight line, so that the whole cutting piece can move in parallel during being dragged to the surface of the material receiving table 24, thereby ensuring that the cutting piece can be stacked neatly on the material receiving table 24.

[0028] Specifically, as shown in Figure 3 and Figure 4 , the top end of the connecting frame 31 is a second connecting plate 43 with an L-shaped cross section, the vertical part and the horizontal part of the second connecting plate 43 are both provided with a plurality of first waist holes 341, the bottom end of the connecting frame 31 and the output end of the first cylinder 23 are both provided with a plurality of connecting holes 35, and the end of the first connecting plate 32 away from the electric clamping jaw 33 is provided with a plurality of second waist holes 321.

[0029] Wherein, by adjusting the position of the connecting component connected in the first waist hole 341 of the second connecting plate 43 at the vertical part, the height of the connecting frame 31 as a whole can be adjusted, so as to adjust the height position of the electric clamping jaw 33; and by adjusting the position of the connecting component connected in the first waist hole 341 of the second connecting plate 43 at the horizontal part, the left and right positions of the connecting frame 31 as a whole above the material collecting table plate 24 can be adjusted, so as to adjust the left and right positions of the end part of the clamped cutting piece by the electric clamping jaw 33; similarly, by connecting the connecting component to the first connecting plate 32 and the second waist hole 321 at different positions, the left and right positions of the end part of the clamped cutting piece by the electric clamping jaw 33 can be adjusted.

[0030] It needs to be further explained that, as Figure 5 and Figure 6 As shown in combination, the material stirring assembly 4 comprises a second synchronous belt module 41 and a second air cylinder 42, the fixed frame 11 is fixedly connected to one side of the rear end of the workbench 1, the second synchronous belt module 41 is fixedly connected to the top end of the fixed frame 11, the second air cylinder 42 is connected to the output end of the second synchronous belt module 41 and moves back and forth in the space above the rear end of the workbench 1, and the output end of the second air cylinder 42 moves up and down in the space above the rear end of the workbench 1.

[0031] Wherein, by moving the output end of the second air cylinder 42 to press the surface of the cutting piece, and then driving the second air cylinder 42 to move to the rear end of the workbench 1 by the second synchronous belt module 41, the cutting piece after sewing processing is driven to move to the rear end of the workbench 1, and then moved to the appropriate position to be clamped by the clamping assembly 3.

[0032] Specifically, as Figure 5 and Figure 6 As shown in combination, the bottom of the second synchronous belt module 41 is provided with a mounting groove 411, the end of the second synchronous belt module 41 close to the machine base 2 is provided with a third connecting plate 43 below, the third connecting plate 43 is fixedly connected with a proximity switch 44, and the output end of the second synchronous belt module 41 outside the second air cylinder 42 is connected with a light shield plate 45 moving back and forth in the space above the rear end of the workbench 1.

[0033] In the process of driving the second air cylinder 42 to move to the rear end of the workbench 1 by the second synchronous belt module 41, when the light shield plate 45 moves to the proximity switch 44, the proximity switch 44 senses the position of the light shield plate 45 and sends a signal to the control device controlling the work of the second synchronous belt module 41, and the control device controlling the work of the second synchronous belt module 41 controls the second synchronous belt module 41 to stop working, so as to stop the backward movement of the cutting piece, and the end part of the cutting piece moves to the appropriate position to be clamped by the clamping assembly 3.

[0034] More specifically, as Figure 5 and Figure 6As shown, the third connecting plate 43 is provided with a third waist hole 431 opposite the mounting groove 411, and the light shield plate 45 is provided with a fourth waist hole 451.

[0035] By adjusting the connecting position of the connecting component in the third waist hole 431, the position of the third connecting plate 43 can be adjusted. By adjusting the connecting position of the connecting component in the third waist hole 431 after being connected to the mounting groove 411, the position of the third connecting plate 43 can also be adjusted. In this way, the distance between the proximity switch 44 and the light shield plate 45 in the length direction of the second synchronous belt module 41 can be adjusted, so as to adjust the stroke of the cutting piece moving backward, and further adjust the length of the cutting piece clamped by the clamping assembly 3. By adjusting the connecting position of the connecting component in the fourth waist hole 451, the position of the light shield plate 45 connected to the output end of the second synchronous belt module 41 is adjusted, so that the distance between the proximity switch 44 and the light shield plate 45 in the length direction of the second synchronous belt module 41 is adjusted, and the length of the cutting piece clamped by the clamping assembly 3 is adjusted.

[0036] It should be further pointed out that, as Figure 2 and Figure 7 As shown, the transmission assembly 5 comprises a power source 51, a transmission shaft 52, a driving wheel 53 and a driven wheel 54. The power source 51 is arranged on the surface of the chassis. The surface of the chassis outside the power source 51 is provided with a plurality of first fixing seats 55 arranged linearly along the longitudinal direction of the chassis. The transmission shaft 52 is fitted in the first fixing seat 55, and the two end portions in the axial direction of the transmission shaft 52 are fixedly connected with first bevel gears 7. The output end of the power source 51 is connected with the driving wheel 53. The driven wheel 54 is arranged on the transmission shaft 52 outside the power source 51. The driving wheel 53 and the driven wheel 54 are connected by a transmission belt to realize transmission.

[0037] The power source 51 drives the driving wheel 53 to rotate. After the driving wheel 53 rotates, the transmission belt transmits power to the driven wheel 54, so as to drive the transmission shaft 52 to rotate. When the transmission shaft 52 rotates, the first bevel gears 7 connected thereto rotate. The first bevel gears 7 on the transmission shaft 52 and the first bevel gears 7 connected to the lifting assembly 6 mesh with each other to transmit power to the lifting assembly 6.

[0038] Specifically, as Figure 2 and Figure 7 As shown, the end portion of the transmission shaft 52 outside the first bevel gear 7 is fixedly connected with a second bevel gear 56. The second bevel gear 56 meshes with the first bevel gear 7 connected to the lifting assembly 6.

[0039] Wherein, through the setting of the second bevel gear 56, the position of the transmission shaft 52 in the rotating process can be more stable, avoiding the influence of the vibration of the transmission shaft 52 in the rotating process on the meshing between the first bevel gear 7 on the transmission shaft 52 and the first bevel gear 7 on the lifting assembly 6, preventing the hard extrusion of the first bevel gear 7 on the transmission shaft 52 and the first bevel gear 7 on the lifting assembly 6, and causing damage.

[0040] It needs to be further explained that, as Figure 2 and Figure 7 As shown in combination, the lifting assembly 6 comprises a connecting seat 61 and a lead screw 62, the connecting seat 61 is arranged above the left and right ends of the transmission assembly 5 in the machine base 2, a cavity 25 is arranged in the machine base 2 above the connecting seat 61, the lead screw 62 is vertically matched in the connecting seat 61 and penetrates into the cavity 25, the lead screw nut 621 of the lead screw 62 is located in the cavity, the bottom end of the lead screw 62 is connected with the first bevel gear 7, the sidewall of the machine base 2 outside the lead screw 62 and close to the center of the machine base 2 is provided with a first sliding groove 26, one end of the lead screw nut 621 extends to the middle part of the machine base 2 through the first sliding groove 26 and is fixedly connected with the end part of the material receiving platform 24.

[0041] Wherein, the first bevel gear 7 connected with the lead screw 62 rotates after receiving the power of the transmission assembly 5, thereby driving the lead screw nut 621 to move up and down, and adjusting the height of the material receiving platform 24, realizing the size adjustment of the space above the material receiving platform 24 for cutting piece collection.

[0042] Specifically, as Figure 2 and Figure 7 As shown in combination, the sidewall of the machine base 2 on the front and rear sides of the connecting seat 61 is provided with a second fixing seat 63, the second fixing seat 63 is connected with a connecting column 64 vertically distributed in the cavity, the outer side of the connecting column 64 is matched with a sliding block 65, the sidewall of the machine base 2 outside the connecting column 64 and close to the center of the machine base 2 is provided with a second sliding groove 27, one end of the sliding block 65 extends to the middle part of the machine base 2 through the second sliding groove 27 and is fixedly connected with the end part of the material receiving platform 24.

[0043] Through the sliding of the sliding block 65 on the connecting column 64, the movement of the material receiving platform 24 in the height adjustment can be more smooth, preventing the cutting pieces on the material receiving platform 24 from deviating or falling due to the shaking of the material receiving platform 24.

[0044] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by the person skilled in the art.

Claims

1. A material collecting device of a fully automatic overlock machine, the material collecting device being provided at a rear of a worktable of the fully automatic overlock machine, the material collecting device comprising a base, characterized in that, The rear end of the workbench is provided with a stirring assembly through a fixing frame, the surface of the chassis bottom end of the base is provided with a transmission assembly, the left and right sides of the base are internally provided with a lifting assembly, the bottom end of the lifting assembly is connected with the output end of the transmission assembly through two first bevel gears which are meshed with each other and realize transmission, the movable end of the lifting assembly is connected with a material collecting platform which moves up and down in the space above the transmission assembly, the front and rear sides of the top end of the base are provided with cross beams, the bottom end of the cross beam is connected with a first synchronous belt module, the output end of the first synchronous belt module is connected with a first cylinder which moves forward and backward in the space above the material collecting platform, the output end of the first cylinder is connected with a clamping assembly which moves up and down in the space above the material collecting platform.

2. The material receiving device of claim 1, wherein, The clamping assembly comprises a connecting frame, a first connecting plate and an electric clamping jaw, the output end of the first cylinder is fixedly connected with the top end of the connecting frame, a plurality of first connecting plates are arranged on the connecting frame bottom end along the longitudinal direction of the base and connected with each other, and the electric clamping jaw is connected to the front end of the first connecting plate.

3. The material receiving device of claim 2, wherein, The top end of the connecting frame is a second connecting plate with an L-shaped cross section, the vertical part and the horizontal part of the second connecting plate are both provided with a plurality of first waist holes, the bottom end of the connecting frame and the output end of the first cylinder are both provided with a plurality of connecting holes, and the end of the first connecting plate away from the electric clamping jaw is provided with a plurality of second waist holes.

4. The material collection device of claim 1, wherein, The stirring assembly comprises a second synchronous belt module and a second cylinder, the fixing frame is fixedly connected to one side of the rear end of the workbench, the second synchronous belt module is fixedly connected to the top end of the fixing frame, the second cylinder is connected to the output end of the second synchronous belt module and moves forward and backward in the space above the rear end of the workbench, and the output end of the second cylinder moves up and down in the space above the rear end of the workbench.

5. The material collection device of claim 4, wherein, The bottom of the second synchronous belt module is provided with a mounting groove, the end of the second synchronous belt module close to the base is provided with a third connecting plate below, the third connecting plate is fixedly connected with a proximity switch, and the output end of the second synchronous belt module on the outer side of the second cylinder is connected with a light shield plate which moves forward and backward in the space above the rear end of the workbench.

6. The material collection device of claim 5, wherein, The third connecting plate is provided with a third waist hole which faces the mounting groove, and the light shield plate is provided with a fourth waist hole.

7. The material receiving device of claim 1, wherein, The transmission assembly comprises a power source, a transmission shaft, a driving wheel and a driven wheel, the power source is arranged on the surface of the chassis, the surface of the chassis on the outer side of the power source is provided with a plurality of first fixing seats which are linearly arranged along the longitudinal direction of the chassis, the transmission shaft is fitted in the first fixing seat and both ends of the transmission shaft in the axial direction are fixedly connected with first bevel gears, the output end of the power source is connected with the driving wheel, the driven wheel is arranged on the transmission shaft on the outer side of the power source, and the driving wheel and the driven wheel are connected through a transmission belt to realize transmission.

8. The material collection device of claim 7, wherein, The end of the transmission shaft on the outer side of the first bevel gear is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear connected with the lifting assembly.

9. The material receiving apparatus of claim 1, wherein, The lifting assembly comprises connecting seats arranged in the machine bases above the left and right ends of the transmission assembly respectively, cavities are arranged in the machine bases above the connecting seats, the lead screws are vertically fitted in the connecting seats and penetrate into the cavities, the lead screw nuts of the lead screws are located in the cavities, the bottom ends of the lead screws are connected with the first bevel gears, the machine bases are located outside the lead screws and the side walls close to the centers of the machine bases are provided with first sliding grooves, and one end of the lead screw nut extends to the middle of the machine base through the first sliding groove and is fixedly connected with the end of the material collecting table plate.

10. The material collection device of claim 9, wherein, Second fixing seats are arranged in the side walls of the machine bases on the front and back sides of the connecting seats, the second fixing seats are connected with connecting columns vertically distributed in the cavities, sliding blocks are matched with the outer sides of the connecting columns, the machine bases are located outside the connecting columns and the side walls close to the centers of the machine bases are provided with second sliding grooves, and one end of the sliding block extends to the middle of the machine base through the second sliding groove and is fixedly connected with the end of the material collecting table plate.

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