An Insertion-Type Urea Mixing Device and Its Usage Method

Abstract

The present invention relates to the technical field of vehicle urea mixing equipment, and particularly relates to a urea mixing equipment with plug-in feeding and a using method. It includes a mixing equipment body and a vacuum feeding machine body, and also includes a placement rack, an inclined plate, elastic clamping rods, a fixing ring, a swing rod I, etc. The inclined plates are symmetrically connected to the inner bottom surface of the placement rack. At least two elastic clamping rods are provided on the placement rack. Notches are circumferentially spaced at the lower end of the suction pipe of the vacuum feeding machine body. The fixing ring is connected to the lower end of the suction pipe. The swing rod I is circumferentially and rotatably connected to the fixing ring. The canvas of the present invention can be unfolded into a conical shape inside the woven bag to guide all the vehicle urea in the woven bag to the lower end of the suction pipe. Moreover, through the vibration mechanism, the residual vehicle urea at the bottom corners of the woven bag can be vibrated to slide towards the lower end of the suction pipe, ensuring that the suction pipe can complete the feeding of the vehicle urea in the woven bag at one time, saving time and effort, with simple operation and capable of improving work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle urea mixing equipment, and in particular to a urea mixing equipment with plug-in feeding and a using method thereof. Background Art

[0002] Vehicle urea is an aqueous urea solution with a concentration of 32.5%, and its chemical name is diesel engine exhaust treatment fluid, which is mainly used in diesel engines equipped with a selective catalytic reduction system to reduce nitrogen oxide emissions in diesel vehicle exhaust, so as to meet more stringent environmental protection standards.

[0003] In the production process of vehicle urea, it is usually necessary to use a mixing equipment to uniformly mix high-purity urea and ultrapure water in an accurate proportion. At present, it is usually that an operator manually puts the suction pipe of a vacuum feeding machine into a container filled with vehicle urea, and the vehicle urea is transported into the mixing equipment by the vacuum feeding machine for mixing with ultrapure water. However, existing vehicle urea is usually packaged in woven bags. Since the suction pipe of the vacuum feeding machine will be sucked onto the inner wall of the woven bag when it is close to the inner wall of the woven bag, resulting in the suction pipe being blocked, the suction pipe cannot directly suck and feed the vehicle urea contained in the woven bag. Usually, it is necessary for an operator to pour the vehicle urea contained in the woven bag into a rigid container for the suction pipe to suck, the operation is rather troublesome and the working efficiency is low; moreover, when the existing vacuum feeding machine is in use, the position of its suction pipe is relatively fixed, and the suction pipe can only suck and feed the vehicle urea within the area close to its end, while the vehicle urea in the area far from the end of the suction pipe cannot be fed, and the achieved feeding effect is poor. Usually, it is necessary for an operator to manually control the movement of the suction pipe in the container filled with vehicle urea, the operation is rather troublesome and the working efficiency is low. Summary of the Invention

[0004] In view of this, the present invention provides a urea mixing equipment with plug-in feeding and a using method thereof, which can overcome the disadvantages that the existing mixing equipment is rather troublesome in operation and has low working efficiency when sucking and feeding vehicle urea through a vacuum feeding machine.

[0005] The technical solution of the present invention is as follows: A urea mixing device for plug-in feeding, including a mixing device body and a vacuum feeding machine body, further comprising a placement rack, an inclined plate, elastic clamping rods, a fixing ring, a swing rod I, a rotating shaft, a scroll spring, a canvas, a deployment assembly, a pulling assembly, and a vibration assembly. The inclined plates are symmetrically connected to the inner bottom surface of the placement rack. At least two elastic clamping rods are provided on the placement rack. Notches are circumferentially spaced apart at the lower end of the suction pipe of the vacuum feeding machine body. The fixing ring is connected to the lower end of the suction pipe. The swing rod I is circumferentially and rotatably connected to the fixing ring. The rotating shaft is rotatably connected to the swing rod I. The scroll spring connects the swing rod I and the rotating shaft. The canvas is wound around the rotating shaft. The deployment assembly is used to drive the swing rod I to rotate and unfold in a direction away from the suction pipe. The pulling assembly is used to pull and unfold the canvas. The vibration assembly is used to drive the placement rack to vibrate.

[0006] In addition, particularly preferably, the deployment assembly includes a screw barrel, a screw sleeve, a connecting rod I, a fixing frame, a slider, a driving motor, a handle, a driving gear, and a tooth block. The screw barrel is rotatably connected to the outside of the suction pipe. The screw sleeve is threadedly connected to the screw barrel. The connecting rod I is circumferentially and rotatably connected to the screw sleeve, and the lower end of the connecting rod I is rotatably connected to the upper end of the swing rod I. The fixing frame is connected to the suction pipe. Arc-shaped holes are symmetrically opened on the fixing frame. The slider is connected inside the fixing frame. The driving motor is connected to the slider. The handle is connected to the side of the driving motor. The driving gear is connected to the output shaft of the driving motor. The tooth blocks are evenly spaced and connected to the upper end of the screw barrel, and the driving gear meshes with the tooth blocks.

[0007] In addition, particularly preferably, the pulling assembly includes a rotating ring, a swing rod II, a rotating sleeve, a connecting rod II, a driven gear ring, and a connecting rod. The rotating ring is rotatably connected to the lower end of the suction pipe. The swing rod II is circumferentially and rotatably connected to the rotating ring, and the swing rod II is connected to the end of the canvas. The rotating sleeve is rotatably connected to the bottom surface of the screw sleeve. The connecting rod II is circumferentially and rotatably connected to the rotating sleeve, and the lower end of the connecting rod II is rotatably connected to the upper end of the swing rod II. The driven gear ring is rotatably connected to the suction pipe. The connecting rods are symmetrically connected to the driven gear ring, and both the rotating ring and the rotating sleeve are fixedly connected to the connecting rod. The connecting rod is located in the arc-shaped hole.

[0008] In addition, particularly preferably, the vibration assembly includes a fixing plate, a support spring, and a vibration motor. The fixing plate is connected to the side of the mixing device body. The two ends of the support spring are respectively connected to the top surface of the fixing plate and the bottom surface of the placement rack. The vibration motor is installed on the bottom surface of the placement rack.

[0009] In addition, particularly preferably, a limiting assembly is further included. The limiting assembly includes a guide rod, a sliding plate, a return spring, and a clamping rod. The guide rods are symmetrically connected to both sides of the fixing frame. The sliding plate is slidably connected to the guide rods. The return spring connects the fixing frame and the sliding plate. The clamping rod is connected to the sliding plate, and the clamping rod is stuck on the side of the slider.

[0010] In addition, it is particularly preferred that it further includes a sliding insertion tube, a compression spring, a clamping bead and a connecting spring. Symmetrical chutes are provided on the inner wall of the suction tube, and clamping grooves are provided in the chutes. The sliding insertion tube is slidably connected to the lower end of the suction tube. The compression spring connects the sliding insertion tube and the suction tube. The clamping beads are symmetrically slidably connected to the sliding insertion tube, and the ends of the clamping beads are stuck in the clamping grooves. The connecting spring connects the clamping beads and the sliding insertion tube.

[0011] In addition, it is particularly preferred that it further includes elastic cloth I, elastic cloth II and elastic cloth III. Elastic cloth I connects the sliding insertion tube and the suction tube. Elastic cloth II connects the fixed frame and the screw sleeve. Elastic cloth III connects the rotating ring and the rotating sleeve. The screw cylinder is located inside elastic cloth II and inside elastic cloth III.

[0012] The present invention also provides a usage method of an urea mixing device for plug-in feeding, including the following steps: First, put the woven bag filled with vehicle urea into the placement rack, so that the two bottom corners of the woven bag are respectively located on the top surfaces of the two inclined plates. Then open the bag mouth of the woven bag, fix the bag mouth of the woven bag to the upper end of the placement rack through the elastic clamping rod, and then insert the suction tube of the vacuum feeding machine body into the woven bag until the bottom surface of the suction tube of the vacuum feeding machine body contacts the inner bottom surface of the woven bag. Then drive the driving gear to rotate through the driving motor, which can drive the swing rod I and the swing rod II to rotate and unfold synchronously in a direction away from the suction tube. Then pull the handle upwards, which can separate the driving gear from the tooth block until the driving gear meshes with the driven gear ring. The driving gear can drive the driven gear ring to rotate, driving the swing rod II to rotate around the axis of the suction tube. The swing rod II can pull out the end of the canvas, making the canvas unfold into a fan shape. And the vibration motor drives the placement rack to shake left and right, which can make the vehicle urea in the woven bag concentrate and slide to the lower end of the suction tube. The vacuum feeding machine body controls the suction tube to suck the vehicle urea in the woven bag, and can transport the vehicle urea to the mixing device body for mixing with ultrapure water.

[0013] Compared with the prior art, the present invention has the following advantages: 1. The canvas of the present invention can unfold into a conical shape in the woven bag to guide all the vehicle urea in the woven bag to the lower end of the suction tube. And through the vibration mechanism, the residual vehicle urea at the bottom corners of the woven bag can be vibrated to slide towards the lower end of the suction tube, ensuring that the suction tube can complete the feeding of the vehicle urea in the woven bag at one time, saving time and effort, with simple operation and improving work efficiency.

[0014] 2. The lower end of the sliding insertion tube of the present invention is provided with a tip, which can assist the suction tube to easily insert into the inner bottom of the woven bag, and the sliding insertion tube can automatically expand and contract, thus not affecting the suction of the vehicle urea in the woven bag by the suction tube. Description of the Drawings

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0016] Figure 2 Schematic diagram of the installation of the fixing ring, swing rod I, rotating shaft and canvas of the present invention.

[0017] Figure 3 For the present invention Figure 2 Enlarged view of part A.

[0018] Figure 4 Schematic diagram of the installation of the unfolding component of the present invention.

[0019] Figure 5 Schematic diagram of the specific structure at the fixing frame of the present invention.

[0020] Figure 6 Schematic diagram of the installation of the pulling component of the present invention.

[0021] Figure 7 Schematic diagram of the operation of the pulling component of the present invention.

[0022] Figure 8 Schematic diagram of the specific structure of the vibration component of the present invention.

[0023] Figure 9 Schematic diagram of the installation of the limiting component of the present invention.

[0024] Figure 10 Cross-sectional view of the suction pipe and the sliding insertion pipe of the present invention.

[0025] Figure 11 Schematic diagram of the installation of elastic cloth II and elastic cloth III of the present invention.

[0026] Names of the reference numerals in the figure: 1 - main body of the mixing device, 2 - main body of the vacuum feeding machine, 201 - suction pipe, 3 - placing rack, 4 - inclined plate, 5 - elastic clamping rod, 6 - notch, 7 - fixing ring, 8 - swing rod I, 9 - rotating shaft, 10 - scroll spring, 11 - canvas, 12 - screw barrel, 13 - screw sleeve, 14 - connecting rod I, 15 - fixing frame, 1501 - arc-shaped hole, 16 - slider, 17 - driving motor, 1701 - handle, 18 - driving gear, 19 - tooth block, 20 - rotating ring, 21 - swing rod II, 22 - rotating sleeve, 23 - connecting rod II, 24 - driven gear ring, 25 - connecting rod, 26 - fixing plate, 27 - supporting spring, 28 - vibration motor, 29 - guide rod, 30 - sliding plate, 31 - reset spring, 32 - clamping rod, 33 - chute, 34 - clamping groove, 35 - sliding insertion pipe, 36 - pressing spring, 37 - clamping bead, 38 - connecting spring, 39 - elastic cloth I, 40 - elastic cloth II, 41 - elastic cloth III. Detailed implementation manners

[0027] Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as above, below, upward, downward, etc. are used to describe the drawings and do not represent a limitation on the scope of the present invention as defined by the appended claims. Any numerical designations such as first or second are merely illustrative and are not intended to limit the scope of the present invention in any way.

[0028] Embodiment: An insert - type feeding urea mixing device and its usage method, as Figures 1 - 8 shown, comprising a mixing device body 1 and a vacuum feeding machine body 2. The vacuum feeding machine body 2 is installed on the upper part of the mixing device body 1. It further comprises a placement rack 3, an inclined plate 4, elastic clamping rods 5, a fixing ring 7, a swing rod I 8, a rotating shaft 9, a scroll spring 10, a canvas 11, a deployment assembly, a pulling assembly, and a vibration assembly. The placement rack 3 is arranged at the lower left of the mixing device body 1. The inner bottom surface of the placement rack 3 is symmetrically connected with inclined plates 4 on the left and right. The top surface of the inclined plate 4 is an inclined surface. Three elastic clamping rods 5 are arranged on the upper part of the placement rack 3. A plurality of notches 6 are circumferentially spaced apart at the lower end of the suction pipe 201 of the vacuum feeding machine body 2. The fixing ring 7 is connected to the lower end of the suction pipe 201. Four swing rods I 8 are circumferentially spaced and rotatably connected to the fixing ring 7. The shape of the swing rod I 8 is a triangular prism. A rotating shaft 9 is rotatably connected to each of the swing rods I 8. The diameter of the rotating shaft 9 gradually decreases from top to bottom. Scroll springs 10 are connected between the upper and lower ends of the rotating shaft 9 and the swing rods I 8 respectively. The canvas 11 is wound around the rotating shaft 9. The canvas 11 is integrally fan - shaped. The deployment assembly is used to drive the swing rod I 8 to rotate and unfold in a direction away from the suction pipe 201. The pulling assembly is used to pull and unfold the canvas 11. The vibration assembly is used to drive the placement rack 3 to vibrate.

[0029] As Figure 4 and Figure 5 shown, the deployment assembly comprises a screw barrel 12, a screw sleeve 13, a connecting rod I 14, a fixing frame 15, a slider 16, a driving motor 17, a handle 1701, a driving gear 18, and a tooth block 19. The screw barrel 12 is rotatably connected to the lower outer side of the suction pipe 201. The screw sleeve 13 is threadedly connected to the screw barrel 12. Four connecting rods I 14 are circumferentially spaced and rotatably connected to the screw sleeve 13. The connecting rods I 14 correspond to the swing rods I 8 one by one, and the lower ends of the connecting rods I 14 are rotatably connected to the upper ends of their corresponding swing rods I 8. The fixing frame 15 is connected to the suction pipe 201. Arc - shaped holes 1501 are symmetrically opened in the front and rear of the fixing frame 15. The slider 16 is connected inside the fixing frame 15. Grooves are opened on both the front and rear sides of the slider 16. The driving motor 17 is connected to the slider 16. The handle 1701 is connected to the left side of the driving motor 17. The driving gear 18 is connected to the output shaft of the driving motor 17. A plurality of tooth blocks 19 are circumferentially and evenly connected to the upper end of the screw barrel 12, and the driving gear 18 meshes with the tooth blocks 19.

[0030] As Figure 6 and Figure 7 shown, the pulling assembly includes a rotating ring 20, a swinging rod II 21, a rotating sleeve 22, a connecting rod II 23, a driven gear ring 24, and a connecting rod 25. The rotating ring 20 is rotatably connected to the lower end of the material suction pipe 201, and the rotating ring 20 is located above the fixed ring 7. Four swinging rods II 21 are circumferentially and rotatably connected to the rotating ring 20 at intervals, and the swinging rod II 21 is connected to the end of the canvas 11. The rotating sleeve 22 is rotatably connected to the bottom surface of the screw sleeve 13. Four connecting rods II 23 are circumferentially and rotatably connected to the rotating sleeve 22 at intervals. The connecting rods II 23 correspond to the swinging rods II 21 one by one, and the lower ends of the connecting rods II 23 are rotatably connected to the upper ends of their corresponding swinging rods II 21. The driven gear ring 24 is rotatably connected to the material suction pipe 201, and the driven gear ring 24 is located above the screw cylinder 12. The connecting rods 25 are symmetrically connected to the driven gear ring 24 in the front and back. The number of the connecting rods 25 is two, and both the rotating ring 20 and the rotating sleeve 22 are fixedly connected to the connecting rods 25. The connecting rods 25 all slide through the screw sleeve 13, and the two connecting rods 25 are respectively located in two arc-shaped holes 1501.

[0031] As Figure 1 and Figure 8 shown, the vibration assembly includes a fixing plate 26, a support spring 27, and a vibration motor 28. The fixing plate 26 is connected to the lower left side of the mixing equipment body 1. The two ends of the support spring 27 are respectively connected to the top surface of the fixing plate 26 and the bottom surface of the placement rack 3. The vibration motor 28 is installed on the bottom surface of the placement rack 3.

[0032] First, place the woven bag filled with vehicle urea into the placement rack 3, such that the two bottom corners of the woven bag are respectively located on the top surfaces of the two inclined plates 4. Since the top surfaces of the inclined plates 4 are inclined planes, the two bottom corners of the woven bag can be tilted upwards. Then, open the mouth of the woven bag, and fix the mouth of the woven bag to the upper end of the placement rack 3 through the elastic clamping rod 5. Then, insert the suction pipe 201 of the vacuum feeding machine body 2 into the woven bag until the bottom surface of the suction pipe 201 of the vacuum feeding machine body 2 contacts the inner bottom surface of the woven bag. Then, drive the driving gear 18 to rotate through the driving motor 17. The driving gear 18 can drive the tooth block 19 and the screw barrel 12 to rotate. The screw barrel 12 can drive the screw sleeve 13 to move downwards. The screw sleeve 13 can drive the swing rod I 8 to rotate and unfold in a direction away from the suction pipe 201 through the connecting rod I 14. Since the swing rod I 8 is in the shape of a triangular prism and the edge of the swing rod I 8 is located on the side away from the suction pipe 201, the resistance of the swing rod I 8 to the vehicle urea in the woven bag is small, enabling the swing rod I 8 to easily unfold in the woven bag. At the same time, the screw sleeve 13 can drive the rotating sleeve 22 to move downwards synchronously. The rotating sleeve 22 can drive the swing rod II 21 to rotate and unfold in a direction away from the suction pipe 201 through the connecting rod II 23, so that the swing rod II 21 can unfold in the woven bag synchronously with the swing rod I 8. Then, manually pull the handle 1701 upwards. The handle 1701 can drive the slider 16, the driving motor 17, and the driving gear 18 to move upwards, separating the driving gear 18 from the tooth block 19 until the driving gear 18 meshes with the driven gear ring 24. The driving gear 18 can drive the driven gear ring 24 to rotate. The driven gear ring 24 can drive the rotating ring 20 and the rotating sleeve 22 to rotate around the axis of the suction pipe 201 through the connecting rod 25. The rotating ring 20 can drive the swing rod II 21 to rotate around the axis of the suction pipe 201. The swing rod II 21 can pull out the end of the canvas 11, causing the canvas 11 to unfold into a fan shape (such as Figure 7As shown in the figure, when the canvas 11 is pulled out, it can drive the rotating shaft 9 to rotate self - sufficiently, and the scroll spring 10 deforms. At this time, the four canvases 11 can be synchronously unfolded into a conical shape at the lower side inside the woven bag, and there will be a blanking space between the lower end of the canvas 11 and the outer wall of the rotating ring 20. Then, the vacuum feeding machine body 2 controls the suction pipe 201 to suck the vehicle urea in the woven bag. The vehicle urea located under the canvas 11 can enter the suction pipe 201 through the notch 6 and can finally be transported to the mixing equipment body 1 for mixing with ultrapure water. The vehicle urea located above the canvas 11 can slide down along the surface of the canvas 11 and fall into the lower end of the suction pipe 201 through the blanking space between the lower end of the canvas 11 and the outer wall of the rotating ring 20. Finally, it can enter the suction pipe 201 through the notch 6 and be transported to the mixing equipment body 1 for mixing with ultrapure water. At this time, there may be some vehicle urea remaining on the inner bottom surface of the woven bag (especially at the two bottom corners of the woven bag). The vibration motor 28 drives the placement rack 3 to shake slightly from side to side. The support spring 27 plays a role in buffering and resetting, enabling the vehicle urea remaining at the bottom corners of the woven bag to slide down along the inclined surface of the inclined plate 4 to the lower end of the suction pipe 201 and finally be transported to the mixing equipment body 1 for mixing with ultrapure water.

[0033] As Figure 9 shown, it also includes a limiting component. The limiting component includes a guide rod 29, a sliding plate 30, a return spring 31 and a clamping rod 32. Four guide rods 29 are connected to both the front and rear sides of the fixed frame 15. The four guide rods 29 are distributed in a rectangle. A sliding plate 30 is slidably connected between two symmetrically - arranged guide rods 29, one above the other. The number of sliding plates 30 is four. The return spring 31 is wound around the outer side of the guide rod 29, and the two ends of the return spring 31 are respectively connected to the fixed frame 15 and the sliding plate 30. A clamping rod 32 is symmetrically connected between the two front - side sliding plates 30, one above the other. A clamping rod 32 is also symmetrically connected between the two rear - side sliding plates 30, one above the other. And the clamping rod 32 is stuck in the groove of the slider 16.

[0034] Initially, the lower clamping rod 32 is stuck in the groove of the slider 16, which can limit the slider 16 and prevent the driving gear 18 from disengaging from the tooth block 19. When the handle 1701 is pulled upwards manually, the handle 1701 can drive the slider 16 to move upwards. At this time, the slider 16 will squeeze the clamping rod 32 and the sliding plate 30 to move towards the mutually - distant side, and the return spring 31 is compressed, causing the lower clamping rod 32 to separate from the groove of the slider 16. When the driving gear 18 moves upwards to mesh with the driven gear ring 24, the upper clamping rod 32 just aligns with the groove of the slider 16. At this time, the return spring 31 will return to its original state, driving the clamping rod 32 and the sliding plate 30 to move towards the mutually - close side for resetting, so that the upper clamping rod 32 is stuck in the groove of the slider 16, which can limit the slider 16 and prevent the driving gear 18 from disengaging from the driven gear ring 24.

[0035] As Figure 10As shown in the figure, it further includes a sliding insertion tube 35, a compression spring 36, a clamping bead 37 and a connecting spring 38. Chutes 33 are opened on the front, rear, left and right sides of the lower part of the inner wall of the suction pipe 201. Card slots 34 are opened at the lower parts of the chutes 33. The sliding insertion tube 35 is slidably connected to the lower end of the suction pipe 201. The two ends of the compression spring 36 are respectively connected to the top surface of the sliding insertion tube 35 and the inner wall of the suction pipe 201. Clamping beads 37 are slidably connected to the front, rear, left and right sides of the upper part of the sliding insertion tube 35, and the ends of the clamping beads 37 are stuck in the card slots 34. The two ends of the connecting spring 38 are respectively connected to the clamping bead 37 and the sliding insertion tube 35.

[0036] Initially, the lower end of the sliding insertion tube 35 extends out of the lower end of the suction pipe 201, and the end of the clamping bead 37 is stuck in the card slot 34 to limit the sliding insertion tube 35. Since the lower end of the sliding insertion tube 35 is provided with a tip, the resistance of the lower end of the sliding insertion tube 35 to the vehicle urea in the woven bag is small, and it can be more easily inserted into the woven bag, so that the lower end of the suction pipe 201 can be more easily inserted into the woven bag. When the sliding insertion tube 35 contacts the inner bottom of the woven bag, the sliding insertion tube 35 stops moving downward, while the suction pipe 201 can continue to move downward and insert, so that the sliding insertion tube 35 retracts into the suction pipe 201, the compression spring 36 is compressed, and the card slot 34 will squeeze the clamping bead 37 to move toward the suction pipe 201, and the connecting spring 38 is compressed. At this time, the end of the clamping bead 37 can move upward along the chute 33, so as to limit the sliding insertion tube 35 and prevent the sliding insertion tube 35 from rotating randomly. When the sliding insertion tube 35 is completely retracted into the suction pipe 201, it does not affect the suction work of the suction pipe 201. When the suction pipe 201 is taken out of the woven bag, the compression spring 36 will return to its original state, driving the sliding insertion tube 35 to move downward and pop out, which is convenient for the use of the lower side. And the sliding insertion tube 35 can drive the clamping bead 37 to move downward until it aligns with the card slot 34. At this time, the connecting spring 38 will return to its original state, driving the clamping bead 37 to move away from the suction pipe 201, so that the end of the clamping bead 37 is stuck in the card slot 34 again.

[0037] As Figure 10 and Figure 11 As shown in the figure, it further includes an elastic cloth I 39, an elastic cloth II 40 and an elastic cloth III 41. The elastic cloth I 39, the elastic cloth II 40 and the elastic cloth III 41 are all cylindrical. The upper and lower ends of the elastic cloth I 39 are respectively connected to the sliding insertion tube 35 and the suction pipe 201. The upper and lower ends of the elastic cloth II 40 are respectively connected to the fixed frame 15 and the screw sleeve 13. The upper and lower ends of the elastic cloth III 41 are respectively connected to the rotating ring 20 and the rotating sleeve 22. The screw cylinder 12 is located inside the elastic cloth II 40 and inside the elastic cloth III 41.

[0038] The elastic cloth I 39 can stretch and contract adaptively with the up-and-down movement of the sliding insertion tube 35, so as to always block the gap between the outer wall of the sliding insertion tube 35 and the inner wall of the material suction tube 201. When the sliding insertion tube 35 is inserted into the woven bag, part of the vehicle urea in the woven bag will flow into the material suction tube 201. The elastic cloth I 39 can prevent the vehicle urea from entering the gap between the outer wall of the sliding insertion tube 35 and the inner wall of the material suction tube 201, ensuring that the sliding insertion tube 35 can move up and down normally. Similarly, when the material suction tube 201 is inserted into the woven bag, the elastic cloth II 40 and the elastic cloth III 41 can prevent the vehicle urea from getting stuck on the external thread of the screw barrel 12, ensuring that the screw sleeve 13 can move up and down normally.

[0039] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form. Any technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A plug-in feeding urea mixing device, comprising a mixing device body (1) and a vacuum feeder body (2), characterized in that: The device also comprises a placing frame (3), an inclined plate (4), an elastic clamping rod (5), a fixing ring (7), a swinging rod I (8), a rotating shaft (9), a volute spring (10), a canvas (11), an unfolding assembly, a pulling assembly and a vibrating assembly. The inclined plate (4) is symmetrically connected to the inner bottom surface of the placing frame (3). The placing frame (3) is provided with at least two elastic clamping rods (5). The lower end of the suction pipe (201) of the vacuum feeder body (2) is circumferentially spaced with notches (6). The fixing ring (7) is connected to the lower end of the suction pipe (201). The swinging rod I (8) is rotatably connected to the fixing ring (7) at circumferential intervals. The rotating shaft (9) is rotatably connected to the swinging rod I (8). The volute spring (10) connects the swinging rod I (8) and the rotating shaft (9). ), the canvas (11) is wound on the rotating shaft (9), the unfolding component is used to drive the swing rod I (8) to rotate and unfold in a direction away from the suction pipe (201), the pulling component is used to pull the canvas (11) to unfold, and the vibration component is used to drive the placement frame (3) to vibrate; the unfolding component includes a screw barrel (12), a screw sleeve (13), a connecting rod I (14), a fixing frame (15), a slider (16), a driving motor (17), a handle (1701), a driving gear (18) and a gear block (19), the screw barrel (12) is rotatably connected to the outside of the suction pipe (201), the screw sleeve (13) is threadedly connected to the screw barrel (12), the connecting rod I (14) is circumferentially spaced and rotatably connected to the screw sleeve (13), and the connecting rod I (14 ) is rotatably connected to the upper end of the swing rod I (8), the fixed frame (15) is connected to the suction pipe (201), the fixed frame (15) is symmetrically provided with arc holes (1501), the slider (16) is connected to the fixed frame (15), the drive motor (17) is connected to the slider (16), the handle (1701) is connected to the side of the drive motor (17), the driving gear (18) is connected to the output shaft of the drive motor (17), the gear block (19) is evenly spaced and connected to the upper end of the screw barrel (12), and the driving gear (18) is meshed with the gear block (19); the pulling assembly includes a rotating ring (20), a swing rod II (21), a rotating sleeve (22), a connecting rod II (23), a driven gear ring (24) and a connecting rod (2 5), the rotating ring (20) is rotatably connected to the lower end of the suction pipe (201), the swing rod II (21) is rotatably connected to the rotating ring (20) at intervals in the circumferential direction, and the swing rod II (21) is connected to the end of the canvas (11), the rotating sleeve (22) is rotatably connected to the bottom surface of the screw sleeve (13), the connecting rod II (23) is rotatably connected to the rotating sleeve (22) at intervals in the circumferential direction, and the lower end of the connecting rod II (23) is rotatably connected to the upper end of the swing rod II (21), the driven gear ring (24) is rotatably connected to the suction pipe (201), the connecting rod (25) is symmetrically connected to the driven gear ring (24), and the rotating ring (20) and the rotating sleeve (22) are both fixedly connected to the connecting rod (25), and the connecting rod (25) is located in the arc hole (1501);The device also includes a limit position assembly, which includes a guide rod (29), a slide plate (30), a return spring (31) and a clamping rod (32), wherein the guide rod (29) is symmetrically connected to both sides of the fixing frame (15), the slide plate (30) is slidably connected to the guide rod (29), the return spring (31) connects the fixing frame (15) and the slide plate (30), the clamping rod (32) is connected to the slide plate (30), and the clamping rod (32) is clamped on the side of the slider (16). ; 2. The urea mixing device with plug-in feeding according to claim 1, characterized in that: The vibration assembly comprises a fixing plate (26), a supporting spring (27) and a vibration motor (28); the fixing plate (26) is connected to the side of the mixing device body (1); two ends of the supporting spring (27) are respectively connected to the top surface of the fixing plate (26) and the bottom surface of the placement frame (3); and the vibration motor (28) is installed on the bottom surface of the placement frame (3).

3. The urea mixing device with plug-in feeding according to claim 2, characterized in that: The invention also comprises a sliding insert (35), a clamping spring (36), a clamping bead (37) and a connecting spring (38); the inner wall of the suction pipe (201) is symmetrically provided with a sliding groove (33); a clamping groove (34) is provided in the sliding groove (33); the sliding insert (35) is slidably connected to the lower end of the suction pipe (201); the clamping spring (36) connects the sliding insert (35) and the suction pipe (201); the clamping bead (37) is symmetrically slidably connected to the sliding insert (35); the end of the clamping bead (37) is clamped in the clamping groove (34); and the connecting spring (38) connects the clamping bead (37) and the sliding insert (35).

4. The urea mixing device with plug-in feeding according to claim 3, characterized in that: The invention also comprises an elastic cloth I (39), an elastic cloth II (40) and an elastic cloth III (41), wherein the elastic cloth I (39) is connected to the sliding insert (35) and the suction pipe (201), the elastic cloth II (40) is connected to the fixing frame (15) and the screw sleeve (13), the elastic cloth III (41) is connected to the rotating ring (20) and the rotating sleeve (22), and the screw barrel (12) is located inside the elastic cloth II (40) and inside the elastic cloth III (41).

5. The method for using the plug-in feeding urea mixing device according to any one of claims 1 to 4, characterized in that: The following steps are involved: First, a woven bag containing automotive urea is placed in a placement rack (3) so that the two bottom corners of the woven bag are respectively located on the top surfaces of the two inclined plates (4); then, the bag mouth of the woven bag is opened, and the bag mouth of the woven bag is fixed to the upper end of the placement rack (3) by means of an elastic clamping rod (5); and then, a suction pipe (201) of a vacuum feeder body (2) is inserted into the woven bag until the bottom surface of the suction pipe (201) of the vacuum feeder body (2) contacts the bottom surface of the woven bag; then, the driving gear (18) is driven to rotate by a driving motor (17), so that the swing rod I (8) and the swing rod II (21) are synchronously rotated and unfolded in a direction away from the suction pipe (201); and then, the handle (1701) is pulled upward, so that the driving gear (18) 8) is separated from the gear block (19) until the driving gear (18) is meshed with the driven gear ring (24), the driving gear (18) can drive the driven gear ring (24) to rotate, driving the swing rod II (21) to rotate around the axis of the suction pipe (201), the swing rod II (21) can pull out the end of the canvas (11), so that the canvas (11) is unfolded in a fan shape; and the vibration motor (28) drives the placement rack (3) to shake left and right, so that the automotive urea in the woven bag can be concentrated and slide to the lower end of the suction pipe (201), and the suction pipe (201) can be controlled by the vacuum feeder body (2) to absorb the automotive urea in the woven bag, so that the automotive urea can be transported to the mixing equipment body (1) to be mixed with ultrapure water.

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