Sand mill for herbicide production
By designing a combined structure of an inner cylinder and a metal filter screen in the sand mill, the problem of powder filtration in herbicide production was solved, achieving efficient grinding and filtration effects and improving the practicality of production.
Patent Information
- Application Number
- CN202520045089.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing sand mills used for herbicide production lack a filtration structure for the processed herbicide powder, resulting in reduced practicality.
A sand mill with an inner cylinder was designed. The inner cylinder has through holes and a metal filter screen is fixedly connected to it. Combined with an eccentric block and a movable support assembly, it can achieve effective separation of powder during the filtration and grinding process of herbicides.
The combination of the inner cylinder and the metal filter screen effectively filters the herbicide powder, avoids heat accumulation, and improves production efficiency and product quality.
Smart Images

Figure CN223915529U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of herbicide production, specifically to a sand mill for herbicide production. BACKGROUND
[0002] Herbicide refers to the agent that can make weeds die completely or selectively, also called herbicide, a kind of substance to eliminate or inhibit plant growth, among which sodium chlorate, borax, arsenate and trichloroacetic acid have the effect of withering on any kind of plants, and the effect is influenced by three factors of herbicide, plant and environmental condition, herbicide exists in various forms, both liquid form and solid form, and a sand mill is needed to grind the solid herbicide during processing.
[0003] Through the search, the sand mill for herbicide production disclosed in Chinese patent with publication number CN219111781U comprises a platform, legs are arranged below the platform, a fixed plate is arranged on one side below the leg, a box body is arranged above the platform, a feeding pipe is arranged above the box body, a feeding port is arranged above the feeding pipe, a rotating shaft is arranged in the box body, a connecting pipe is arranged on one side of the box body, a water tank is arranged on one side of the connecting pipe, a drain port is arranged on one side below the water tank, a grinding wheel is arranged on the surface of the rotating shaft, a discharging pipe is arranged below the platform, a valve is arranged on one side of the discharging pipe, a fixed shell is arranged on one side of the feeding pipe, a return spring is arranged in the fixed shell.
[0004] Although the sand mill is convenient to move and can treat toxic gas in production, it lacks a filtering structure for herbicide powder after processing, which reduces the practicability of the overall mechanism, so we propose a sand mill for herbicide production to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a sand mill for herbicide production to solve the problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sand mill for herbicide production, comprising a rack, a box body is fixedly connected to the top of the rack, movable support assemblies are fixedly arranged on both sides in the box body, the movable support assemblies are rotatably connected to both sides of a transmission shaft, one end of the transmission shaft is connected to the output shaft of a speed reducer motor, the speed reducer motor is fixedly installed outside the box body, a rotating shaft is coaxially rotatably sleeved in the transmission shaft, the rotating shaft is fixedly connected to an eccentric block, the eccentric block is movably arranged in the transmission shaft, one end of the rotating shaft is connected to the output shaft of a servo motor, the servo motor is fixedly installed outside the box body;
[0007] The transmission shaft is externally sleeved with a support disc, one side of the support disc is fixedly connected with one side end of a conveying pipe, the other side of the conveying pipe is fixedly connected with the top of a box body, one end of the support disc is externally sleeved with an inner cylinder, the other end of the inner cylinder is coaxially fixedly sleeved with a transmission shaft, and the transmission shaft is fixedly sleeved with a plurality of grinding wheels, and the grinding wheels are arranged in the inner cylinder.
[0008] Preferably, the bottom of the rack is fixedly connected with a discharge hopper, the bottom end of the discharge hopper is fixedly connected with a discharge pipe, and a valve is fixedly installed on the discharge pipe.
[0009] Preferably, a plurality of through holes are formed in the inner cylinder, the through holes are circumferentially and evenly arranged, and a metal filter screen is fixedly connected in the through holes.
[0010] Preferably, a shaft coupling is arranged between the speed reducer motor and the transmission shaft, and between the servo motor and the rotating shaft, and a box door is hingedly connected to one side of the box body.
[0011] Preferably, the transmission shaft is hollow and provided with a movable cavity, and the eccentric block is movably arranged in the movable cavity.
[0012] Preferably, the movable support assembly comprises a stand, a sliding groove, an upper spring, a sliding block and a lower spring, two stands are parallelly arranged and fixedly connected with the rack at the bottom ends, the middle part of the stand is provided with a sliding groove, one end of the upper spring is fixedly connected to the top end inner wall of the sliding groove, the other end of the upper spring is fixedly connected to the top end of the sliding block, one end of the lower spring is fixedly connected to the bottom end of the sliding block, the other end of the lower spring is fixedly connected to the bottom end inner wall of the sliding groove, and the sliding block is rotatably sleeved with the transmission shaft on both sides.
[0013] Compared with the prior art, the beneficial effects of the utility model are that the rotating inner cylinder avoids the aggregation of raw materials and medium to cause a large amount of heat of the inner cylinder, the eccentric block is circumferentially rotated, cooperates with the movable support assembly, drives the inner cylinder to realize the reciprocating movement up and down while rotating, cooperates with the metal filter screen of the inner cylinder, and realizes the filtering during the production of herbicides. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is a structural schematic view of the box body inside the utility model;
[0016] Figure 3 It is a sectional view structural schematic view of the utility model.
[0017] As shown in the figure: rack 1, box 2, box door 21, servo motor 3, conveying pipe 4, speed reducer 5, discharge hopper 6, discharge pipe 7, inner cylinder 8, through hole 81, movable support assembly 9, stand 91, sliding chute 92, upper spring 93, sliding block 94, lower spring 95, support disc 10, transmission shaft 11, rotating shaft 12, eccentric block 13, movable cavity 14, grinding wheel 15. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] Embodiment 1
[0020] Reference Figure 1 , 2 , the first embodiment of the present application provides a sand mill for herbicide production, which comprises a rack 1, the top of the rack 1 is fixedly connected with a box 2, movable support assemblies 9 are fixedly arranged on both sides in the box 2, the movable support assemblies 9 are rotatably connected with both sides of a transmission shaft 11, one end of the transmission shaft 11 is connected with an output shaft of a speed reducer 5, the speed reducer 5 is fixedly installed outside the box 2, a rotating shaft 12 is coaxially rotatably sleeved in the transmission shaft 11, the rotating shaft 12 is fixedly connected with an eccentric block 13, the eccentric block 13 is movably arranged in the transmission shaft 11, one end of the rotating shaft 12 is connected with an output shaft of a servo motor 3, the servo motor 3 is fixedly installed outside the box 2;
[0021] The transmission shaft 11 is rotatably sleeved with a support disc 10 outside, one side of the support disc 10 is fixedly connected with one side end of a conveying pipe 4, the other side of the conveying pipe 4 is fixedly connected with the top of the box 2, one end of an inner cylinder 8 is rotatably sleeved outside the support disc 10, the other end of the inner cylinder 8 is coaxially fixedly sleeved with the transmission shaft 11, the transmission shaft 11 is fixedly sleeved with a plurality of grinding wheels 15, and the grinding wheels 15 are arranged in the inner cylinder 8.
[0022] The grinding medium is injected into the inner cylinder 8, the grinding raw material is injected into the inner cylinder 8 through the L-shaped conveying pipe 4, the servo motor 3 and the speed reducer 5 are simultaneously powered on, the rotating speed of the servo motor 3 is greater than that of the speed reducer 5, the servo motor 3 drives the rotating shaft 12 to rotate through the fixed coupling, the rotating shaft 12 drives the eccentric block 13 to rotate in a circle, the speed reducer 5 drives the transmission shaft 11 to rotate through the fixed coupling, the transmission shaft 11 drives the fixed inner cylinder 8 to rotate in a circle, at the same time, the transmission shaft 11 cooperates with the movable support assembly 9, the support assembly 9 elastically supports the transmission shaft 11, the eccentric block 13 drives the transmission shaft 11 to realize the up-and-down reciprocating linear movement while rotating in a circle, the grinding wheel 15 rotates synchronously with the transmission shaft 11, the grinding wheel 15 realizes the grinding work, the qualified grinding raw material passes through the metal filter screen fixedly connected in the through hole 81 and finally falls into the discharge hopper 6, and finally is discharged from the discharge pipe 7 for collection.
[0023] Embodiment 2
[0024] With reference to Figures 1-3 For the second embodiment of the utility model, the embodiment is based on the previous embodiment, specifically, the bottom of the rack 1 is fixedly connected with the discharge hopper 6, the bottom end of the discharge hopper 6 is fixedly connected with the discharge pipe 7, the valve is fixedly installed on the discharge pipe 7, the qualified grinding raw material passes through the metal filter screen fixedly connected in the through hole 81 and finally falls into the discharge hopper 6, and finally is discharged from the discharge pipe 7 for collection.
[0025] Specifically, a plurality of through holes 81 are formed in the inner cylinder 8, the through holes 81 are arranged in a circle, and the metal filter screen is fixedly connected in the through hole 81, so that the qualified grinding raw material is filtered.
[0026] Specifically, the couplings are arranged between the speed reducer 5 and the transmission shaft 11 and between the servo motor 3 and the rotating shaft 12, so that the transmission shaft 11 can rotate while moving, one side of the box body 2 is hingedly connected with the box door 21, the box door 21 is arranged to facilitate the maintenance of the inside of the box body 2, and an arc-shaped door can also be hingedly connected to the inner cylinder 8.
[0027] Specifically, the movable cavity 14 is hollow in the transmission shaft 11, and the eccentric block 13 is movably arranged in the movable cavity 14.
[0028] Specifically, the movable support assembly 9 comprises two parallel vertical columns 91, a sliding groove 92, an upper spring 93, a sliding block 94 and a lower spring 95. The two vertical columns 91 are fixedly connected to the frame 1 at the bottom ends. The middle part of each vertical column 91 is provided with the sliding groove 92. The top end inner wall of the sliding groove 92 is fixedly connected to one end of the upper spring 93. The other end of the upper spring 93 is fixedly connected to the top end of the sliding block 94. One end of the lower spring 95 is fixedly connected to the bottom end of the sliding block 94. The other end of the lower spring 95 is fixedly connected to the bottom end inner wall of the sliding groove 92. The sliding block 94 is rotatably sleeved on the two sides of the transmission shaft 11. The transmission shaft 11 is rotatably connected to the sliding block 94. The sliding block 94 is slidingly arranged in the sliding groove 92. The upper spring 93 and the lower spring 95 are arranged on the top and bottom sides of the sliding block 94, respectively, so as to elastically support the sliding block 94. When the eccentric block 13 rotates circumferentially, the transmission shaft 11 is driven to move up and down in a reciprocating linear manner.
[0029] Embodiment 3
[0030] With reference to Figures 1-3 For the third embodiment of the present application, based on the above two embodiments, when in use, the grinding medium is injected into the inner cylinder 8, and the grinding raw material is injected into the inner cylinder 8 through the L-shaped conveying pipe 4. The servo motor 3 and the speed reducer 5 are simultaneously powered on and work. The rotation speed of the servo motor 3 is greater than that of the speed reducer 5. The servo motor 3 drives the rotating shaft 12 to rotate through the fixed coupler. The rotating shaft 12 drives the eccentric block 13 to rotate circumferentially. The speed reducer 5 drives the transmission shaft 11 to rotate through the fixed coupler. The transmission shaft 11 drives the fixed inner cylinder 8 to rotate circumferentially. At the same time, the transmission shaft 11 cooperates with the movable support assembly 9. The transmission shaft 11 is rotatably connected to the sliding block 94. The sliding block 94 is slidingly arranged in the sliding groove 92. The upper spring 93 and the lower spring 95 are arranged on the top and bottom sides of the sliding block 94, respectively, so as to elastically support the sliding block 94. When the eccentric block 13 rotates circumferentially, the transmission shaft 11 is driven to move up and down in a reciprocating linear manner. The grinding wheel 15 rotates synchronously with the transmission shaft 11. The grinding wheel 15 realizes the grinding work. The ground raw material passes through the metal filter screen fixedly connected in the through hole 81 and finally falls into the discharge hopper 6. Finally, the material is discharged from the discharge pipe 7 and collected.
[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A sand mill for herbicide production comprising a frame (1), characterized in that: The top of the rack (1) is fixedly connected with a box (2), two sides in the box (2) are fixedly provided with movable support assemblies (9), the movable support assemblies (9) are rotatably connected with two sides of a transmission shaft (11), one end of the transmission shaft (11) is connected with an output shaft of a speed reducer (5), the speed reducer (5) is fixedly installed outside the box (2), a rotating shaft (12) is coaxially rotatably sleeved in the transmission shaft (11), the rotating shaft (12) is fixedly connected with an eccentric block (13), the eccentric block (13) is movably arranged in the transmission shaft (11), one end of the rotating shaft (12) is connected with an output shaft of a servo motor (3), the servo motor (3) is fixedly installed outside the box (2). The transmission shaft (11) is rotatably sleeved with a support disc (10) outside, one side of the support disc (10) is fixedly connected with one side end of a conveying pipe (4), the other side of the conveying pipe (4) is fixedly connected with the top of the box (2), one end of the inner cylinder (8) is rotatably sleeved with the support disc (10) outside, the other end of the inner cylinder (8) is coaxially fixedly sleeved with the transmission shaft (11), the transmission shaft (11) is fixedly sleeved with a plurality of grinding wheels (15), and the grinding wheels (15) are arranged in the inner cylinder (8).
2. The sand mill for herbicide production according to claim 1, characterized in that: The bottom of the rack (1) is fixedly connected with a discharge hopper (6), the bottom end of the discharge hopper (6) is fixedly connected with a discharge pipe (7), and a valve is fixedly installed on the discharge pipe (7).
3. The sand mill for herbicide production according to claim 1, characterized in that: A plurality of through holes (81) are formed in the inner cylinder (8), the through holes (81) are circumferentially and uniformly arranged, and metal filter screens are fixedly connected in the through holes (81).
4. The sand mill for herbicide production according to claim 1, characterized in that: Couplings are arranged between the speed reducer (5) and the transmission shaft (11), the servo motor (3) and the rotating shaft (12), and a box door (21) is hingedly connected to one side of the box (2).
5. The sand mill for herbicide production according to claim 1, characterized in that: The transmission shaft (11) is hollow and provided with a movable cavity (14), and the eccentric block (13) is movably arranged in the movable cavity (14).
6. The sand mill for herbicide production according to claim 1, characterized in that: The movable support assembly (9) comprises a stand (91), a sliding groove (92), an upper spring (93), a sliding block (94) and a lower spring (95), two parallel stands (91) are arranged, and the bottom ends of the two parallel stands (91) are fixedly connected with the rack (1), a sliding groove (92) is formed in the middle of the stand (91), one end of the upper spring (93) is fixedly connected to the top end inner wall of the sliding groove (92), the other end of the upper spring (93) is fixedly connected to the top end of the sliding block (94), one end of the lower spring (95) is fixedly connected to the bottom end of the sliding block (94), the other end of the lower spring (95) is fixedly connected to the bottom end inner wall of the sliding groove (92), and the sliding block (94) is rotatably sleeved with two sides of the transmission shaft (11).
Citation Information
Patent Citations
Sand mill for herbicide production
CN219111781U