Powder weighing and subpackaging device

Abstract

The utility model discloses a powder weighing and sub-packaging device, which belongs to the technical field of powder sub-packaging, and comprises a cabinet body, a weighing mechanism, a sub-packaging pipe and an adjusting mechanism, the weighing mechanism comprises an electronic scale and a display screen, the sub-packaging pipe comprises a material conveying pipe, a corrugated pipe, a blanking pipe and a pneumatic butterfly valve, the lower end of the conveying pipe extends into the cabinet body and is fixedly connected with the upper end of the corrugated pipe, the discharging pipe is fixedly connected to the lower end of the corrugated pipe, the adjusting mechanism comprises a supporting frame, a motor and a screw rod, the supporting frame is fixedly installed on the discharging pipe, and the lower end of the screw rod is fixedly installed at the output end of the motor; one end of the support frame is sleeved on the screw rod and is in threaded connection with the screw rod; by arranging the adjusting mechanism, during subpackaging, the discharging pipe can be inserted into the bag opening of the subpackaging bag for discharging according to the height of the bag opening of the subpackaging bag, the bag opening of the subpackaging bag does not need to be connected, the weighing precision can be guaranteed, meanwhile, the height difference between the discharging pipe and the bag opening of the subpackaging bag can be avoided, and powder leakage is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of powder packaging, and in particular relates to a powder weighing and packaging device. Background Art

[0002] Powder is an important raw material for industrial plastic molding process and is widely used in industrial production. Epoxy resin powder is widely used in the production of electronic components due to its excellent toughness, electrical insulation and mechanical properties after coating. After the production of epoxy resin powder is completed, the processed powder needs to be packaged and collected.

[0003] The existing Chinese patent with announcement number CN213862750U discloses a powder weighing and packaging device, including a frame, a feeding mechanism and a weighing mechanism, the feeding mechanism including a feeding pipe, the feeding pipe is fixedly mounted on the frame; the weighing mechanism is arranged on the frame and is located directly below the feeding pipe, the packaging bag is placed on the weighing mechanism located directly below the feeding pipe, and the weight of the powder that has fallen can be displayed in real time during the feeding process, and the feeding is stopped when the feeding weight reaches a predetermined value, thereby realizing efficient weighing and packaging of the powder; and a clamping assembly is fixedly arranged at the lower end of the feeding pipe, and during packaging, the bag mouth of the packaging bag is directly clamped at the lower end of the feeding pipe through the clamping device, which to a certain extent avoids the movement of the bag mouth and causes leakage of powder.

[0004] With respect to the above-mentioned related technologies, the inventors found that there are at least the following problems in the technology: during packaging, the bag opening of the packaging bag is usually connected to the discharge tube through a clamping device, which makes it easy for the packaging bag and the discharge tube to generate mutual traction and affect the weighing accuracy of the weighing mechanism; and when the bag opening of the packaging bag is lower than the discharge tube, it cannot be used, and there is a height difference between the discharge tube and the bag opening of the packaging bag, which easily causes powder leakage. Utility Model Content

[0005] The purpose of the utility model is to provide a powder weighing and packaging device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a powder weighing and dispensing device, comprising a cabinet, a weighing mechanism, a dispensing pipe and an adjusting mechanism, the weighing mechanism comprising an electronic scale and a display screen, the electronic scale is arranged at the bottom of the cabinet, the display screen is fixedly installed on the top of the cabinet, the dispensing pipe comprises a feeding pipe, a bellows, a feeding pipe and a pneumatic butterfly valve, the feeding pipe is fixedly installed at the center of the top of the cabinet, the lower end of the feeding pipe extends into the cabinet and is fixedly connected to the upper end of the bellows, the feeding pipe is fixedly connected to the lower end of the bellows, and the pneumatic butterfly valve is installed on the feeding pipe;

[0007] The adjustment mechanism includes a support frame, a motor and a screw rod. The support frame is fixedly mounted on the feed pipe, the motor is fixedly mounted on the inner wall of the cabinet, the lower end of the screw rod is fixedly mounted on the output end of the motor, and one end of the support frame is sleeved on the screw rod and threadedly connected to the screw rod.

[0008] As a preferred embodiment, the adjustment mechanism further comprises a guide rod, the guide rod is fixedly mounted on a side of the cabinet away from the screw rod, and the other end of the support frame is slidably sleeved on the guide rod.

[0009] As a preferred embodiment, the support frame includes a cross bar and a ring arranged in the middle of the cross bar, a fastening bolt is inserted into one side of the ring, and the ring is sleeved on the discharge pipe and fixedly installed by the fastening bolt.

[0010] As a preferred embodiment, a cabinet door is hinged on the front of the cabinet body, and a viewing window is installed on the cabinet door.

[0011] As a preferred embodiment, a dust removal pipe is fixedly connected to the top of the cabinet, and the lower end of the dust removal pipe extends into the cabinet.

[0012] As a preferred implementation, four universal wheels with brakes are installed at the bottom of the cabinet, and the four universal wheels are evenly distributed at the four corners of the cabinet.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The powder weighing and packaging device is provided with an adjustment mechanism, and a motor can be started to drive the screw to rotate, so that the screw drives the support frame to rise and fall, and the support frame drives the discharge pipe to rise and fall, and the height of the discharge pipe can be adjusted. During the dispensing, the discharge pipe can be inserted into the bag opening of the dispensing bag according to the height of the bag opening of the dispensing bag for dispensing, and the bag opening of the dispensing bag does not need to be connected, so that the weighing accuracy can be ensured, and at the same time, the height difference between the discharge pipe and the bag opening of the dispensing bag can be avoided, thereby reducing the leakage of powder.

[0015] The powder weighing and packaging device can freely disassemble and assemble the feeding pipe and the supporting frame by arranging the collar and the fastening bolts, thereby improving flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the dispensing tube of the utility model;

[0019] Figure 4It is a structural schematic diagram of the support frame of the utility model.

[0020] In the figure: 1. cabinet body; 11. cabinet door; 12. window; 13. dust removal pipe; 14. universal wheel; 2. weighing mechanism; 21. electronic scale; 22. display screen; 3. filling pipe; 31. feeding pipe; 32. bellows; 33. feeding pipe; 34. pneumatic butterfly valve; 4. adjusting mechanism; 41. supporting frame; 411. cross bar; 412. collar; 413. fastening bolt; 42. motor; 43. screw; 44. guide rod. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] See also Figure 1-4 The utility model provides a powder weighing and filling device, including a cabinet 1, a weighing mechanism 2, a filling pipe 3 and an adjusting mechanism 4. A cabinet door 11 is hinged on the front of the cabinet 1, and a window 12 is installed on the cabinet door 11. A dust removal pipe 13 is fixedly connected to the top of the cabinet 1. The lower end of the dust removal pipe 13 extends into the cabinet 1. The dust removal pipe 13 is connected to the dust removal equipment. The dust in the cabinet 1 can be sucked out from the dust removal pipe 13 by starting the dust removal equipment; four universal wheels 14 with brakes are installed at the bottom of the cabinet 1. The four universal wheels 14 are evenly distributed at the four corners of the cabinet 1, and the device can be conveniently moved through the universal wheels 14.

[0024] Reference Figure 2 and Figure 3 The weighing mechanism 2 includes an electronic scale 21 and a display screen 22. The electronic scale 21 is arranged at the bottom of the cabinet 1. The display screen 22 is fixedly installed on the top of the cabinet 1. The electronic scale 21 is electrically connected to the display screen 22. The dispensing pipe 3 includes a feeding pipe 31, a bellows 32, a feeding pipe 33 and a pneumatic butterfly valve 34. The feeding pipe 31 is fixedly installed at the center of the top of the cabinet 1. The lower end of the feeding pipe 31 extends into the cabinet 1 and is fixedly connected to the upper end of the bellows 32. The feeding pipe 33 is fixedly connected to the upper end of the bellows 32. At the lower end of the bellows 32, a pneumatic butterfly valve 34 is installed on the feed pipe 31. The pneumatic butterfly valve 34 is controlled by the display screen 22. Through the cooperation of the weighing mechanism 2 and the filling tube 3, when filling, the filling bag is placed on the electronic scale 21, and the pneumatic butterfly valve 34 is opened to allow the powder in the feed pipe 31 to fall into the filling bag along the discharge pipe 33. When the electronic scale 21 detects that the weight of the powder in the filling bag reaches a preset value, the pneumatic butterfly valve 34 is controlled to close through the display screen 22 to achieve weighing and filling.

[0025] Reference Figure 2 and Figure 3 The adjusting mechanism 4 includes a support frame 41, a motor 42 and a screw 43. The support frame 41 is fixedly mounted on the feed pipe 33, the motor 42 is fixedly mounted on the inner wall of the cabinet 1, the screw 43 is arranged vertically, the lower end of the screw 43 is fixedly mounted on the output end of the motor 42, the upper end of the screw 43 is rotatably connected to the top wall of the cabinet 1, one end of the support frame 41 is sleeved on the screw 43 and is threadedly connected to the screw 43, the adjusting mechanism 4 also includes a guide rod 44, the guide rod 44 is fixedly mounted on the side of the cabinet 1 away from the screw 43, the support frame 4 The other end of 1 is slidably sleeved on the guide rod 44. By setting the adjustment mechanism 4, the motor 42 can be started to drive the screw 43 to rotate, so that the screw 43 drives the support frame 41 to rise and fall, and the support frame 41 drives the discharge pipe 33 to rise and fall. The height of the discharge pipe 33 can be adjusted. When dispensing, the discharge pipe 33 can be inserted into the bag opening of the dispensing bag according to the height of the bag opening of the dispensing bag for dispensing. There is no need to connect the bag opening of the dispensing bag, which can ensure the weighing accuracy. At the same time, the height difference between the discharge pipe 33 and the bag opening of the dispensing bag can be avoided, thereby reducing the leakage of powder.

[0026] Reference Figure 2 and Figure 4 The support frame 41 includes a cross bar 411 and a ring 412 arranged in the middle of the cross bar 411. A fastening bolt 413 is inserted on one side of the ring 412. The ring 412 is sleeved on the discharge pipe 33 and fixedly installed by the fastening bolt 413. Through the arrangement of the ring 412 and the fastening bolt 413, the discharge pipe 33 and the support frame 41 can be freely disassembled and assembled, thereby improving flexibility.

[0027] The working principle and use process of the utility model are as follows: first, through the cooperation of the weighing mechanism 2 and the filling tube 3, when filling, the filling bag is placed on the electronic scale 21, and the motor 42 can be started to drive the screw 43 to rotate, so that the screw 43 drives the support frame 41 to rise and fall, and the support frame 41 drives the discharge tube 33 to rise and fall, and the height of the discharge tube 33 can be adjusted. When filling, the discharge tube 33 can be inserted into the bag opening of the filling bag according to the height of the bag opening of the filling bag, and the pneumatic butterfly valve 34 is opened to allow the powder in the feeding pipe 31 to fall into the filling bag along the discharge tube 33. When the electronic scale 21 detects that the weight of the powder in the filling bag reaches a preset value, the pneumatic butterfly valve 34 is controlled to be closed through the display screen 22 to realize weighing and filling. There is no need to connect the bag opening of the filling bag, which can ensure the weighing accuracy. At the same time, the height difference between the discharge tube 33 and the bag opening of the filling bag can be avoided, thereby reducing the leakage of powder.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder weighing and packaging device, comprising a cabinet (1), a weighing mechanism (2), a packaging tube (3) and an adjusting mechanism (4), characterized in that: The weighing mechanism (2) comprises an electronic scale (21) and a display screen (22), wherein the electronic scale (21) is arranged at the bottom of the cabinet (1), and the display screen (22) is fixedly mounted on the top of the cabinet (1). The dispensing pipe (3) comprises a feeding pipe (31), a bellows (32), a feeding pipe (33) and a pneumatic butterfly valve (34), wherein the feeding pipe (31) is fixedly mounted at the center of the top of the cabinet (1), the lower end of the feeding pipe (31) extends into the cabinet (1) and is fixedly connected to the upper end of the bellows (32), the feeding pipe (33) is fixedly connected to the lower end of the bellows (32), and the pneumatic butterfly valve (34) is mounted on the feeding pipe (31); The adjusting mechanism (4) comprises a support frame (41), a motor (42) and a screw (43); the support frame (41) is fixedly mounted on the feed pipe (33); the motor (42) is fixedly mounted on the inner wall of the cabinet (1); the lower end of the screw (43) is fixedly mounted on the output end of the motor (42); one end of the support frame (41) is sleeved on the screw (43) and is threadedly connected to the screw (43).

2. A powder weighing and packaging device according to claim 1, characterized in that: The adjustment mechanism (4) further comprises a guide rod (44), wherein the guide rod (44) is fixedly mounted on a side of the cabinet (1) away from the screw rod (43), and the other end of the support frame (41) is slidably sleeved on the guide rod (44).

3. A powder weighing and packaging device according to claim 1, characterized in that: The support frame (41) comprises a cross bar (411) and a collar (412) arranged in the middle of the cross bar (411), a fastening bolt (413) is inserted into one side of the collar (412), and the collar (412) is sleeved on the feed pipe (33) and fixedly installed by the fastening bolt (413).

4. A powder weighing and packaging device according to claim 1, characterized in that: A cabinet door (11) is hingedly connected to the front of the cabinet body (1), and a viewing window (12) is installed on the cabinet door (11).

5. A powder weighing and packaging device according to claim 1, characterized in that: A dust removal pipe (13) is fixedly connected to the top of the cabinet (1), and the lower end of the dust removal pipe (13) extends into the cabinet (1).

6. A powder weighing and packaging device according to claim 1, characterized in that: Four universal wheels (14) with brakes are installed at the bottom of the cabinet (1), and the four universal wheels (14) are evenly distributed at the four corners of the cabinet (1).

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