A high viscosity powder filling mechanism

Abstract

The present invention discloses a high-viscosity powder filling mechanism, which is designed with a topological structure for accurate positioning and sufficient stirring of a discharge nozzle, and realizes accurate positioning of a discharge nozzle by fastening a translation and rotation module with a position fine-tuning module through a lower bearing seat; a powder stirring module is fastened with a position fine-tuning module through a hopper fixing plate, and all supporting forces act on the translation and rotation module, and a stirring plate is driven to rotate by a DC motor, so that the high-viscosity powder is fully stirred, and after a stepping motor drives a discharge screw to rotate, quantitative filling of the powder is realized, and the above combination forms a high-viscosity powder filling mechanism with uniform stirring, so that the high-viscosity powder can be accurately filled, with a neat appearance and high production efficiency. This invention is used in the field of packaging machinery.

Description

Technical Field

[0001] The invention relates to the field of packaging machinery, and in particular to a high-viscosity powder filling mechanism in a high-viscosity powder vertical bag packaging, which can accurately fill the high-viscosity powder, make the packaging process smooth, and improve the powder packaging effect and productivity. Background Art

[0002] Powder filling is a common packaging of packaging machinery, and the rationality of its structure affects the filling speed and packaging quality. Chen Danqing and others invented an automatic powder filling system, including a frame, an automatic bottle sorting device, a conveying device, a filling device, etc., so that the powder filling is fully automatic from the automatic bottle sorting device to the powder filling in the bottle. Xu Senlin invented a powder filling machine with a pneumatic oscillator, which solves the problems of difficult alignment during the filling process, easy empty filling and leakage, and proposes a solution suitable for filling powders that will become sticky or deteriorate when heated. Wu Yongzhi and others invented a powder filling device and a filling method. By providing a metering hole that vertically penetrates the main body substrate on the main body substrate and a sealing partition under the main body substrate, the filling accuracy is greatly improved.

[0003] However, for highly viscous powders, if they are not stirred in time, they are easy to clump. When the powder reaches the feeding screw, the powder is easy to accumulate, making the feeding screw unable to rotate, causing the screw to twist and deform, resulting in failure to fill or poor filling accuracy. Summary of the invention

[0004] The object of the present invention is to provide a high-viscosity powder filling mechanism which can improve the powder packaging effect and productivity.

[0005] The technical solution adopted by the present invention is:

[0006] A high-viscosity powder filling mechanism, comprising

[0007] Translation and rotation modules;

[0008] Position fine-tuning module, the translation and rotation module is fastened to the position fine-tuning module through the lower bearing seat, and the translation and rotation module drives the position fine-tuning module to translate and rotate;

[0009] A powder stirring module, wherein the powder stirring module is fastened to the position fine-tuning module through a hopper fixing plate, and the powder stirring module can move along the position fine-tuning module. The powder stirring module comprises a stepping motor, a DC motor, a hopper plate, a hopper, a stirring plate, a feeding screw, a discharge pipe, and a discharge nozzle. The hopper plate is fixed on the hopper fixing plate, the hopper is fastened under the hopper plate, the discharge pipe is fastened on the hopper, the discharge nozzle is fastened on the discharge pipe, the feeding screw can pass through the inner holes of the discharge pipe and the discharge nozzle, the DC motor drives the stirring plate to rotate in the hopper, and the DC motor drives the feeding screw to rotate.

[0010] As a further improvement of the technical solution of the present invention, the translation and rotation module includes a base plate, two guide columns A are fastened on the base plate, two movable guide blocks A are installed on the two guide columns A, guide fixing plates are fastened on the two guide blocks A, a lower bearing seat is fastened on the guide fixing plates, a turntable is placed on the lower bearing seat, the lower bearing seat and the turntable are fastened by a flange, and the turntable can rotate 360° in the lower bearing seat.

[0011] As a further improvement of the technical solution of the present invention, the position fine-tuning module includes a rotating seat and a locking plate installed on the lower bearing seat, the rotating seat is movably connected to a rotating plate through a rotating shaft, one end of the locking plate is fixed on the rotating seat, and the other end of the locking plate is fixed on the rotating plate, the upper and lower ends of the rotating plate are respectively fixed with an upper guide column seat and a lower guide column seat perpendicular to the rotating plate, a lead screw is installed between the upper guide column seat and the lower guide column seat, one end of the lead screw is fixed on the upper guide column seat, the top end of the lead screw is coaxially connected with a crank handle, the lead screw is threadedly connected to a guide block B, and the guide block B is fixedly connected to the hopper fixed plate through an internal thread.

[0012] As a further improvement of the technical solution of the present invention, two guide pillars B arranged parallel to the rotating plate are fastened between the upper guide pillar seat and the lower guide pillar seat, and the two guide pillars B are respectively installed on both sides of the screw, and holes sliding along the guide pillars B are provided on both sides of the guide block B.

[0013] As a further improvement of the technical solution of the present invention, the locking plate is arc-shaped, and a plurality of through holes B are provided on the fixed end of the locking plate and the rotating seat to facilitate adjustment of the overall angle; a long rotating through groove A distributed along the arc of the locking plate is provided on the fixed end where the locking plate and the rotating plate are connected to facilitate fine-tuning of the angle.

[0014] As a further improvement of the technical solution of the present invention, the stepper motor and the DC motor are fastened to the hopper fixing plate, the DC motor's main shaft is fastened with a gear A, a gear B is meshingly installed next to the gear A, the gear B is fastened to the outer ring of the bearing A, the inner ring of the bearing A is fastened with a unloading main shaft, the gear B is fastened to a stirring plate fixing seat, the stirring plate fixing seat is tightly matched with an inner ring of a bearing B, the outer ring of the bearing B is matched with a bearing fixing ring, the bearing fixing ring is fastened to the hopper plate, the stirring plate fixing seat is tightly connected to the stirring bracket, the stirring plate is tightly connected to the stirring bracket, so as to realize long-term stirring of high-viscosity powder in the hopper.

[0015] As a further improvement of the technical solution of the present invention, the stepper motor is tightly connected to the unloading spindle, and the unloading spindle is connected to the unloading screw via a coupling.

[0016] As a further improvement of the technical solution of the present invention, the stirring bracket is symmetrically fixed on both sides of the stirring plate fixing base, and two long slot holes C are opened on the stirring bracket. The stirring plate can be adjusted along the long slot holes C under the action of the fastener, and the stirring plate can be adjusted along the long slot holes C under the action of the fastener, so that the inclination angle of the stirring plate is consistent with the cone angle of the hopper.

[0017] As a further improvement of the technical solution of the present invention, a plurality of equidistant through holes D are provided on the stirring plate so that the bottom of the stirring plate can be flush with the end surface of the discharge pipe, and high-viscosity powder can be evenly stirred.

[0018] As a further improvement of the technical solution of the present invention, a material barrel is installed above the hopper plate, and the hopper plate is provided with an opening to connect the material barrel with the hopper.

[0019] The beneficial effects of the present invention are as follows: this high-viscosity powder filling mechanism is designed with a topological structure for precise positioning and sufficient stirring of the discharge nozzle, and the precise positioning of the discharge nozzle is achieved by fastening the translation and rotation module with the position fine-tuning module through the lower bearing seat; the powder stirring module is fastened with the position fine-tuning module through the hopper fixing plate, and all the supporting forces act on the translation and rotation module. The stirring plate is driven to rotate by a DC motor, so that the high-viscosity powder is fully stirred, and after the stepping motor drives the discharge screw to rotate, quantitative filling of the powder is achieved. The above combination forms a high-viscosity powder filling mechanism with uniform stirring, which can achieve precise filling of high-viscosity powder, neat appearance and high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below in conjunction with the accompanying drawings:

[0021] Figure 1 It is an assembly diagram of an embodiment of the present invention;

[0022] Figure 2It is an assembly diagram of an embodiment of the present invention;

[0023] Figure 3 It is a schematic diagram of the full cross-section structure of an embodiment of the present invention.

[0024] In the figure:

[0025] Translation and rotation module 100, guide column A101, bottom plate 102, guide fixing plate 103, lower bearing seat 104, flange 105, turntable 106, guide block A107;

[0026] Position fine-tuning module 200, lower guide column seat 201, locking plate 202, rotating plate 203, lead screw 204, guide block B205, guide column B206, upper guide column seat 207, crank handle 208, rotating seat 209, through hole B210, long rotating through slot A211;

[0027] Powder stirring module 300, DC motor 301, stepper motor 302, material barrel 303, hopper fixing plate 304, hopper plate 305, gear B306, gear A307, hopper 308, bearing A309, bearing B310, stirring plate fixing seat 311, bearing fixing ring 312, unloading spindle 313, stirring bracket 314, stirring plate 315, coupling 316, unloading screw 317, discharge pipe 318, discharge nozzle 319, long slot C320, through hole D321. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] Reference Figure 1-Figure 3 , is a specific embodiment of a high-viscosity powder filling mechanism, which includes

[0033] Translation and rotation module 100: The translation and rotation module 100 includes a bottom plate 102, two guide posts A101 are fastened to the bottom plate 102, two movable guide blocks A107 are installed on the two guide posts A101, guide fixing plates 103 are fastened to the two guide fixing plates 103, a lower bearing seat 104 is fastened to the guide fixing plates 103, a turntable 106 is placed on the lower bearing seat 104, the lower bearing seat 104 and the turntable 106 are fastened by flanges 105, and the turntable 106 can rotate 360° in the lower bearing seat 104. The two guide blocks A107 can move left and right along the guide posts A101, thereby driving the position fine-tuning module 200 and the powder mixing module 300 to move left and right, and the turntable 106 rotates 360° in the lower bearing seat 104, driving the position fine-tuning module 200 and the powder mixing module 300 to rotate. The precise positioning of the discharge nozzle 319 is achieved by the translation of the guide block A107 of the translation and rotation module 100 and the rotation of the turntable 106 .

[0034] The position fine-tuning module 200 and the translation and rotation module 100 are tightly connected to the position fine-tuning module 200 via the lower bearing seat 104 , and the translation and rotation module 100 drives the position fine-tuning module 200 to translate and rotate. The position fine-tuning module 200 includes a rotating seat 209 and a locking plate 202 installed on the lower bearing seat 104. The rotating seat 209 is movably connected to a rotating plate 203 through a rotating axis. One end of the locking plate 202 is fixed on the rotating seat 209, and the other end of the locking plate 202 is fixed on the rotating plate 203. The upper and lower ends of the rotating plate 203 are respectively fixed with an upper guide column seat 207 and a lower guide column seat 201 perpendicular to the rotating plate 203. A lead screw 204 is installed between the upper guide column seat 207 and the lower guide column seat 201. One end of the lead screw 204 is fixed on the upper guide column seat 207. The top end of the lead screw 204 is coaxially connected with a crank handle 208. The lead screw 204 is threadedly connected with a guide block B205, and the guide block B205 is fixedly connected to the hopper fixed plate 304. The rotating plate 203 can rotate around the rotating axis on the rotating seat 209, and the position of the discharge nozzle 319 can be finely adjusted through the threaded movement of the guide block B205 on the lead screw 204.

[0035] Preferably, two cylindrical guide pillars B206 arranged parallel to the rotating plate 203 are fastened between the upper guide pillar seat 207 and the lower guide pillar seat 201, and the two guide pillars B206 are respectively installed on both sides of the screw 204. Holes sliding along the guide pillars B206 are arranged on both sides of the guide block B205. The screw 204 is rotated by shaking the crank 208, thereby driving the guide block B205 to move up and down along the screw 204. Holes sliding along the guide pillars B206 are arranged on both sides of the guide block 205, which can effectively reduce the vibration of the guide block 205 during the sliding process and enhance the accuracy of this mechanism.

[0036] In one of the implementation cases, the locking plate 202 is arc-shaped, and a plurality of through holes B210 are provided on the fixed ends of the locking plate 202 and the rotating seat 209, so as to facilitate the adjustment of the overall angle; the fixed ends of the locking plate 202 and the rotating plate 203 are provided with long rotating grooves A211 distributed along the arc of the locking plate 202, so as to facilitate the fine adjustment of the angle, and the rotating plate 203 is rotated along the rotating axis by a certain angle, and a fixed pile rotating along the long rotating groove A211 is provided on the rotating plate 203. When the rotating plate 203 is rotated into place, it can be directly locked on the fixed pile by nuts, etc., so as to fix the position of the rotating plate 203.

[0037] The powder mixing module 300 is fastened to the position fine-tuning module 200 through the hopper fixing plate 304 , and the powder mixing module 300 can move along the position fine-tuning module 200 . The powder stirring module 300 includes a stepper motor 302, a DC motor 301, a hopper plate 305, a hopper 308, a stirring plate 315, a feeding screw 317, a discharge pipe 318, and a discharge nozzle 319. The hopper plate 305 is fixed on the hopper fixing plate 304, the hopper 308 is fastened under the hopper plate 305, the discharge pipe 318 is fastened on the hopper 308, and the discharge nozzle 319 is fastened on the discharge pipe 318. The feeding screw 317 can pass through the inner holes of the discharge pipe 318 and the discharge nozzle 319. The DC motor 301 drives the stirring plate 315 to rotate in the hopper 308 to fully stir the high-viscosity powder; the stepper motor 302 drives the feeding screw 317 to rotate, and the high-viscosity powder is quantitatively filled through the threads of the feeding screw 317. Among them, the discharge pipe 318 is conical, the discharge pipe 318 and the outlet end of the hopper 308 are matched and fixed, the discharge nozzle 319 is cylindrical, and the discharge nozzle 319 and the discharge pipe 318 are tightened and fixed by nuts.

[0038] This high-viscosity powder filling mechanism is designed with a topological structure for accurate positioning and sufficient stirring of the discharge nozzle 319. The translation and rotation module 100 is fastened and connected with the position fine-tuning module 200 through the lower bearing seat 104 to achieve accurate positioning of the discharge nozzle 319; the powder stirring module 300 is fastened and connected with the position fine-tuning module 200 through the hopper fixing plate 304, and all the supporting forces act on the translation and rotation module 100. The stirring plate 315 is driven to rotate by the DC motor 301, so that the high-viscosity powder is fully stirred. After the stepping motor 302 drives the unloading screw 317 to rotate, the quantitative filling of the powder is achieved. The above combination forms a high-viscosity powder filling mechanism with uniform stirring, so that the high-viscosity powder can be accurately filled, with a neat appearance and high production efficiency. The present invention is mainly used for the filling of powder dosages in food, beverage, medicine, daily chemical enterprises, etc., and is particularly suitable for the filling of precision powders with high viscosity.

[0039] A material barrel 303 is installed above the hopper plate 305, and the hopper plate 305 is provided with an opening to connect the material barrel 303 with the hopper 308. The material barrel 303 is designed to communicate with the hopper 308, which can facilitate the addition of high-viscosity powder.

[0040] The stepper motor 302 and the DC motor 301 are fastened to the hopper fixing plate 304. The hopper fixing plate 304 is a concave plate. The concave plate and the hopper plate 305 form a closed space. The stepper motor 302 and the DC motor 301 are installed on the upper surface of the hopper fixing plate 304. Two holes are set on the top plate of the concave plate. The output shafts of the DC motor 301 and the stepper motor 302 pass through the two holes. The main shaft of the DC motor 301 is fastened with a gear A307, and a gear B306 is meshed and installed next to the gear A307. The gears A307 and B306 are both installed in the closed space. Gear B306 is fastened to the outer ring of bearing A309, and a feeding spindle 313 is fastened to the inner ring of bearing A309. Stepper motor 302 is fastened to feeding spindle 313, and feeding spindle 313 is connected to feeding screw 317 through coupling 316. Coupling 316 is provided to connect feeding spindle 313 and feeding screw 317, which can reduce buffering and vibration. Gear B306 is fastened to a stirring plate fixing seat 311, stirring plate fixing seat 311 is tightly matched with an inner ring of bearing B310, and an outer ring of bearing B310 is matched with a bearing fixing ring 312, and bearing fixing ring 312 is fastened to hopper plate 305, stirring plate fixing seat 311 is fastened to stirring bracket 314, and stirring plate 315 is fastened to stirring bracket 314. The DC motor 301 drives the gear A307 to rotate, the gear A307 drives the gear B306 to rotate, the gear B306 drives the stirring plate fixing seat 311 to rotate, the stirring plate fixing seat 311 drives the stirring bracket 314 fixedly connected thereto to rotate, and the stirring bracket 314 drives the stirring plate 315 to rotate in the hopper 308, thereby realizing long-term stirring of the high-viscosity powder in the hopper 308.

[0041] In a specific embodiment, the stirring bracket 314 is symmetrically fixed on both sides of the stirring plate fixing base 311, and two long slots C320 are opened on the stirring bracket 314. The stirring plate 315 is adjusted along the long slots C320 under the action of the fastener, so that the inclination angle of the stirring plate 315 is consistent with the cone angle of the hopper 308.

[0042] Preferably, a plurality of equidistant through holes D321 are formed on the stirring plate 315 so that the bottom of the stirring plate 315 can be flush with the end surface of the discharge pipe 318, and high-viscosity powder can be evenly stirred.

[0043] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high viscosity powder filling mechanism, characterized in that: include Translation and rotation module (100); A position fine-tuning module (200), wherein the translation and rotation module (100) is tightly connected to the position fine-tuning module (200) via a lower bearing seat (104), and the translation and rotation module (100) drives the position fine-tuning module (200) to translate and rotate; A powder stirring module (300), wherein the powder stirring module (300) is tightly connected to the position fine-tuning module (200) via a hopper fixing plate (304), and the powder stirring module (300) can move along the position fine-tuning module (200). The powder stirring module (300) comprises a stepping motor (302), a DC motor (301), a hopper plate (305), a hopper (308), a stirring plate (315), a feeding screw (317), a discharge pipe (318), and a discharge nozzle (319). The hopper The plate (305) is fixed on the hopper fixing plate (304), the hopper (308) is fastened under the hopper plate (305), the discharge pipe (318) is fastened on the hopper (308), the discharge nozzle (319) is fastened on the discharge pipe (318), the discharge screw (317) can pass through the inner holes of the discharge pipe (318) and the discharge nozzle (319), the DC motor (301) drives the stirring plate (315) to rotate in the hopper, and the DC motor (301) drives the discharge screw (317) to rotate; The translation and rotation module (100) comprises a base plate (102), two guide pillars A (101) are fastened on the base plate (102), two movable guide blocks A (107) are installed on the two guide pillars A (101), a guide fixing plate (103) is fastened on the two guide blocks A (107), a lower bearing seat (104) is fastened on the guide fixing plate (103), a turntable (106) is placed on the lower bearing seat (104), the lower bearing seat (104) and the turntable (106) are fastened by a flange (105), and the turntable (106) can rotate 360 ​​degrees in the lower bearing seat (104); The position fine-tuning module (200) comprises a rotating seat (209) and a locking plate (202) mounted on the lower bearing seat (104); the rotating seat (209) is movably connected to a rotating plate (203) via a rotating shaft; one end of the locking plate (202) is fixed to the rotating seat (209); the other end of the locking plate (202) is fixed to the rotating plate (203); the upper end and the lower end of the rotating plate (203) are respectively fixed with a plurality of locking plates perpendicular to the rotating plate (203); 3) an upper guide column seat (207) and a lower guide column seat (201), a lead screw (204) is installed between the upper guide column seat (207) and the lower guide column seat (201), one end of the lead screw (204) is fixed on the upper guide column seat (207), a crank handle (208) is coaxially connected to the top of the lead screw (204), the lead screw (204) is threadedly connected to a guide block B (205), and the guide block B (205) is fixedly connected to a hopper fixing plate (304); The stepper motor (302) and the DC motor (301) are fastened to the hopper fixing plate (304); a gear A (307) is fastened to the main shaft of the DC motor (301); a gear B (306) is meshingly installed beside the gear A (307); the gear B (306) is fastened to the outer ring of the bearing A (309); a material unloading main shaft (313) is fastened to the inner ring of the bearing A (309); the gear B (306) The stirring plate fixing seat (311) is fastened to a stirring plate fixing seat (311), the stirring plate fixing seat (311) is tightly matched with an inner ring of a bearing B (310), the outer ring of the bearing B (310) is matched with a bearing fixing ring (312), the bearing fixing ring (312) is fastened to the hopper plate (305), the stirring plate fixing seat (311) is tightly connected to a stirring bracket (314), and the stirring plate (315) is tightly connected to the stirring bracket (314); The stepper motor (302) is tightly connected to the material unloading spindle (313), and the material unloading spindle (313) is connected to the material unloading screw (317) via a coupling (316).

2. The high viscosity powder filling mechanism according to claim 1, characterized in that: Two guide pillars B (206) arranged parallel to the rotating plate (203) are fastened and installed between the upper guide pillar seat (207) and the lower guide pillar seat (201). The two guide pillars B (206) are respectively installed on both sides of the lead screw (204). Holes sliding along the guide pillars B (206) are arranged on both sides of the guide block B (205).

3. The high viscosity powder filling mechanism according to claim 1 or 2, characterized in that: The locking plate (202) is arc-shaped, and a plurality of through holes B (210) are provided on the fixed end of the locking plate (202) and the rotating seat (209), and a long rotating through groove A (211) distributed along the arc of the locking plate (202) is provided on the fixed end where the locking plate (202) and the rotating plate (203) are connected.

4. The high viscosity powder filling mechanism according to claim 1, characterized in that: The stirring bracket (314) is symmetrically fixed on both sides of the stirring plate fixing seat (311), and two elongated slots C (320) are provided on the stirring bracket (314). The stirring plate (315) is adjusted along the elongated slots C (320) under the action of the fastener.

5. The high viscosity powder filling mechanism according to claim 4, characterized in that: The stirring plate (315) is provided with a plurality of equidistant through holes D (321).

6. The high viscosity powder filling mechanism according to claim 1, characterized in that: A material barrel (303) is installed above the hopper plate (305), and the hopper plate (305) is provided with an opening to allow the material barrel (303) to communicate with the hopper (308).

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