Self-cleaning weighing and feeding device

Abstract

The utility model discloses a kind of automatic cleaning's weighing and feeding device, it is related to weighing feeder technical field, including feeding cylinder, the top of the feeding cylinder is communicated with injection hopper.The utility model has beneficial effect for: by first scraper, spring will be extruded, and along the outside of guide rod sliding, adjust own width, second scraper will follow movement, and under the action of torsion spring elasticity, constantly rotate and adjust own angle, adhere to the inner wall of injection hopper, so that injection hopper inside will not exist cleaning dead angle, improve the effect of cleaning;By second motor timing start, make driving rod drive rotating block rotate, knock to feeding pipe, by high-frequency vibration destruction material bridging structure, make material natural drop, dredge feeding pipe, realized without stopping device can complete dredging, reduce the labor intensity of staff, and improve the efficiency of device work.

Description

Technical Field

[0001] This utility model relates to the field of weighing feeder technology, and in particular to an automatic cleaning weighing feeder device. Background Technology

[0002] A weighing and feeding device is an automated equipment that integrates dynamic weighing and continuous feeding functions. It accurately measures and transports materials in industrial production by monitoring their weight in real time. However, material residue may remain inside the device during use, requiring regular cleaning to ensure the accuracy of the weighing.

[0003] Existing automatic cleaning weighing and feeding devices typically use scrapers and other components to clean the hopper. However, to ensure smooth feeding, the inner wall of the hopper is usually designed with a trapezoidal slope. The scrapers and other cleaning components cannot easily adjust to the changing shape of the hopper during cleaning, making it difficult for them to completely remove material. This results in numerous cleaning dead zones inside the hopper, reducing the cleaning effect. Furthermore, during continuous operation, the feeding pipe is prone to blockage due to the materials used, such as damp powders and plastic granules. When blockage occurs, operators must stop the machine and use tools to clear the blockage, which is time-consuming, increases the workload of workers, and reduces the efficiency of the device. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] An automatic cleaning weighing and feeding device includes a feeding cylinder, a feeding hopper connected to the top of the feeding cylinder, a feeding pipe connected to the bottom of the feeding cylinder, a weighing component arranged on the outside of the feeding cylinder, and a conveying component arranged on the inside of the feeding cylinder.

[0007] A cylinder is fixedly connected to the top of the hopper, and a connecting block is fixedly connected to the piston rod of the cylinder. A guide assembly is provided on the outside of the connecting block, and two sets of reset assemblies are symmetrically arranged on the inside of the connecting block. A first scraper for cleaning the hopper is provided on the outside of each of the two sets of reset assemblies. A rotating assembly is provided at one end of the first scraper, and a second scraper is provided on the outside of the rotating assembly. An air blowing assembly is provided on the inside of the feeding cylinder.

[0008] A connecting component is provided on the outside of the feeding pipe, a driving component is provided on the outside of the connecting component, and a rotating block and a limiting component are provided on the outside of the driving component.

[0009] As a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the weighing component includes a support frame fixed to the outside of the feeding cylinder, and four sets of sensors are provided at the bottom of the support frame.

[0010] In a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the guiding component includes a guide block fixed to the outside of the connecting block, a limiting groove is formed on the inner wall of the feeding hopper, and the outer side of the guide block is slidably connected to the inner wall of the limiting groove.

[0011] In a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the reset component includes a guide rod fixed to the outside of the connecting block, a spring sleeved on the outside of the guide rod, and the outside of the guide rod being slidably connected to the inner wall of the first scraper.

[0012] In a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the rotating assembly includes a rotating shaft that rotates on the inner wall of the first scraper, a torsion spring is sleeved on the outer side of the rotating shaft, and the other end of the rotating shaft is fixedly connected to one end of the second scraper.

[0013] As a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the conveying component includes a first motor fixed at one end of the feeding cylinder, and a spiral roller is provided at the output end of the first motor.

[0014] As a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the air blowing assembly includes an air pump fixed at one end of the feeding cylinder, the output end of the air pump is connected to a connecting pipe, and four sets of nozzles are provided on the outside of the connecting pipe.

[0015] As a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the connecting assembly includes a connecting seat fixed to the outside of the feeding pipe, and two sets of tension springs are fixedly connected to one side of the connecting seat.

[0016] In a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the driving assembly includes a second motor fixed to one end of a tension spring, a driving rod is provided at the output end of the second motor, and a rotating block is fixedly connected to one end of the driving rod.

[0017] In a preferred embodiment of the automatic cleaning weighing and feeding device of this utility model, the limiting component includes a fixed rod fixed to one side of the connecting seat, and a sliding seat is slidably connected to the outside of the fixed rod.

[0018] The beneficial effects of this utility model are as follows: the first scraper compresses the spring and slides along the outside of the guide rod to adjust its width. The second scraper moves accordingly and, under the action of the torsion spring, continuously rotates to adjust its angle, fitting against the inner wall of the feeding hopper, thus eliminating cleaning dead corners inside the feeding hopper and improving the cleaning effect. The second motor starts at regular intervals, causing the drive rod to rotate the rotating block, which strikes the feeding pipe. The high-frequency vibration breaks the material bridging structure, causing the material to fall naturally and clearing the feeding pipe. This allows the clearing to be completed without stopping the device, reducing the labor intensity of the workers and improving the efficiency of the device. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0020] Figure 1 A structural diagram of the weighing and feeding device for automatic cleaning.

[0021] Figure 2 Another view of the overall structure of the weighing and feeding device for automatic cleaning.

[0022] Figure 3 A structural diagram of the reset assembly of the weighing and feeding device for automatic cleaning.

[0023] Figure 4 Weighing and feeding device for automatic cleaning Figure 3 Enlarged structural diagram at point A in the middle.

[0024] Figure 5 A structural diagram of the connection components of a weighing and feeding device for automatic cleaning.

[0025] The diagram shows the following components: 1. Feeding cylinder; 2. Injection hopper; 3. Weighing assembly; 31. Support frame; 32. Sensor; 4. Feeding pipe; 5. Cylinder; 6. Connecting block; 7. Guide assembly; 71. Guide block; 72. Limiting groove; 8. Reset assembly; 81. Guide rod; 82. Spring; 9. First scraper; 10. Rotating assembly; 101. Rotating shaft; 102. Torsion spring; 11. Second scraper; 12. Conveying assembly; 121. First motor; 122. Spiral roller; 13. Air blowing assembly; 131. Air pump; 132. Connecting pipe; 133. Nozzle; 14. Connecting assembly; 141. Connecting seat; 142. Tension spring; 15. Drive assembly; 151. Second motor; 152. Drive rod; 16. Rotating block; 17. Limiting assembly; 171. Fixed rod; 172. Sliding seat. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0029] Example 1:

[0030] Reference Figures 1-5 This is the first embodiment of the present utility model. This embodiment provides an automatic cleaning weighing and feeding device. The automatic cleaning weighing and feeding device includes a feeding cylinder 1, a feeding hopper 2 connected to the top of the feeding cylinder 1, a feeding pipe 4 connected to the bottom of the feeding cylinder 1, a weighing component 3 provided on the outside of the feeding cylinder 1, and a conveying component 12 provided on the inside of the feeding cylinder 1.

[0031] A cylinder 5 is fixedly connected to the top of the hopper 2. A connecting block 6 is fixedly connected to the piston rod of the cylinder 5. A guide component 7 is provided on the outside of the connecting block 6. Two sets of reset components 8 are symmetrically arranged on the inside of the connecting block 6. A first scraper 9 for cleaning the hopper 2 is provided on the outside of both sets of reset components 8. A rotating component 10 is provided at one end of the first scraper 9. A second scraper 11 is provided on the outside of the rotating component 10. An air blowing component 13 is provided on the inside of the feeding cylinder 1.

[0032] By setting cylinder 5, the piston rod moves and drives connecting block 6 to move up and down; by setting first scraper 9 and second scraper 11, one end of their bottom is chamfered, which can improve the cleaning effect; by setting air blowing assembly 13, the inner cavity of feed cylinder 1 can be cleaned.

[0033] A connecting component 14 is provided on the outside of the feeding pipe 4, a driving component 15 is provided on the outside of the connecting component 14, and a rotating block 16 and a limiting component 17 are provided on the outside of the driving component 15.

[0034] The drive assembly 15 is provided to power the rotating block 16; the rotating block 16 is made of rubber elastic material at one end, so that it will not damage the feed tube 4 when it strikes the feed tube 4.

[0035] Example 2:

[0036] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0037] Specifically, the weighing component 3 includes a support frame 31 fixed to the outside of the feed cylinder 1, and four sets of sensors 32 are provided at the bottom of the support frame 31.

[0038] The support frame 31 serves as a rigid load-bearing structure, which evenly distributes the total weight of the feed cylinder 1, the hopper 2, and the internal materials to the four sets of support legs. A sensor 32 is installed at the bottom of each support leg to ensure force balance. When the total weight of the equipment increases, the support leg applies a vertical downward pressure to the sensor 32, and the sensor 32 transmits an electrical signal to the controller for display. This is existing technology and will not be elaborated further here.

[0039] Specifically, the guide assembly 7 includes a guide block 71 fixed to the outside of the connecting block 6, and a limiting groove 72 is formed on the inner wall of the hopper 2. The outer side of the guide block 71 is slidably connected to the inner wall of the limiting groove 72.

[0040] When the connecting block 6 moves, it slides along the inner side of the limiting groove 72 via the guide block 71. The limiting groove 72 guides the movement path of the guide block 71 and keeps the connecting block 6 moving in the vertical direction.

[0041] Specifically, the reset assembly 8 includes a guide rod 81 fixed to the outside of the connecting block 6, a spring 82 sleeved on the outside of the guide rod 81, and the outside of the guide rod 81 is slidably connected to the inner wall of the first scraper 9.

[0042] When the width of the inner wall of the hopper 2 narrows, the two sets of first scrapers 9 can compress the springs 82 connected to them, retract into the inner side of the connecting block 6, and adjust the overall width. When the width of the inner wall of the hopper 2 widens, they can extend out from the inner side of the connecting block 6 under the push of the spring force of the springs 82, so that the first scrapers 9 can efficiently clean the material on the inner wall of the hopper 2 without any dead corners.

[0043] Specifically, the rotating assembly 10 includes a rotating shaft 101 that rotates on the inner wall of the first scraper 9, a torsion spring 102 is sleeved on the outer side of the rotating shaft 101, and the other end of the rotating shaft 101 is fixedly connected to one end of the second scraper 11.

[0044] After the rotating shaft 101 rotates, the torsion spring 102 will generate a restoring elastic force, so that when the second scraper 11 moves up and down, it can make corresponding adjustments as the angle of the inner wall of the hopper 2 changes, keep in contact with the inner wall of the hopper 2, and effectively scrape off the material.

[0045] Specifically, the conveying assembly 12 includes a first motor 121 fixed at one end of the feeding cylinder 1, and a spiral roller 122 is provided at the output end of the first motor 121.

[0046] The first motor 121 drives the spiral roller 122 to rotate, which can transport the material entering the feed cylinder 1 from the hopper 2 to the feed pipe 4.

[0047] Specifically, the air blowing assembly 13 includes an air pump 131 fixed at one end of the feed cylinder 1, the output end of the air pump 131 is connected to a connecting pipe 132, and four sets of nozzles 133 are provided on the outside of the connecting pipe 132.

[0048] The air pump 131 can compress air to form high-pressure gas. The gas flows through the connecting pipe 132 to the nozzle 133 and is ejected through the nozzle 133.

[0049] Example 3:

[0050] Reference Figure 1 , Figure 2 and Figure 5 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0051] Specifically, the connecting assembly 14 includes a connecting seat 141 fixed to the outside of the feed tube 4, and two sets of tension springs 142 are fixedly connected to one side of the connecting seat 141.

[0052] When stretched, the tension spring 142 has a reverse action, which will drive the connected object to reset. The inner side of the tension spring 142 is fitted with a buffer block to prevent the tension spring 142 from excessively contracting and to ensure that the second motor 151 will not move excessively and collide with the connecting seat 141.

[0053] Specifically, the drive assembly 15 includes a second motor 151 fixed to one end of the tension spring 142, and a drive rod 152 is provided at the output end of the second motor 151. A rotating block 16 is fixedly connected to one end of the drive rod 152.

[0054] The second motor 151 will start at a time under the control of the controller. The second motor 151 will drive the rotating block 16 to rotate through the drive rod 152. One end of the rotating block 16 is fixedly connected to the drive rod 152, and the other end is longer. When rotating, it will strike the outside of the feed pipe 4.

[0055] Specifically, the limiting component 17 includes a fixing rod 171 fixed to one side of the connecting seat 141, and a sliding seat 172 is slidably connected to the outside of the fixing rod 171.

[0056] The sliding seat 172 is fixed at the four corners of the outer side of the second motor 151. When the second motor 151 moves, it will drive the sliding seat 172 to slide along the outer side of the fixed rod 171. The fixed rod 171 will restrict the movement path of the second motor 151 to keep it stable.

[0057] When cleaning the feeding device during use, firstly, the cylinder 5 is activated via the controller. The piston rod of cylinder 5 extends, causing the connecting block 6 to move downwards. The guide block 71 slides along the limiting groove 72, guiding the movement path of the connecting block 6. As it moves gradually, the first scraper 9 and the second scraper 11 scrape away the material remaining on the inner wall of the feeding hopper 2. During this process, because the inner wall of the feeding hopper 2 is trapezoidal, when it reaches a narrower part inside the feeding hopper 2, the first scraper 9 will compress the spring 82 and slide along the outside of the guide rod 81 to adjust its width. The second scraper 11 will follow the movement and, under the elastic force of the torsion spring 102, will continuously rotate to adjust its angle, fitting against the inner wall of the feeding hopper 2, thus improving the cleaning effect. After the feeding hopper 2 is cleaned, the operator will cover the top of the feeding hopper 2 with a cover plate, and then the air pump 131 will be started. Air is compressed to form high-pressure gas, which flows through connecting pipe 132 to nozzle 133. After the high-pressure gas is ejected, it blows off the material adhering to the surface of feeding cylinder 1 and spiral roller 122. Driven by the gas, the material is discharged from feeding pipe 4, completing the cleaning. When feeding pipe 4 is blocked, second motor 151 starts and drives rotating block 16 to rotate through drive rod 152, knocking on feeding pipe 4 and causing feeding pipe 4 to vibrate. During this process, because rotating block 16 is irregularly shaped and one end is longer, it will push second motor 151 to move when it contacts the surface of feeding pipe 4, causing it to slide along fixed rod 171 through sliding seat 172. When rotating block 16 rotates to another direction, second motor 151 is reset under the pull of tension spring 142. High-frequency vibration destroys the material bridging structure, causing the material to fall naturally and clearing feeding pipe 4.

[0058] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An automatic cleaning weighing and feeding device, comprising a feeding cylinder (1), characterized in that: The top of the feeding cylinder (1) is connected to the injection hopper (2), the bottom of the feeding cylinder (1) is connected to the feeding pipe (4), a weighing component (3) is provided on the outside of the feeding cylinder (1), and a conveying component (12) is provided on the inside of the feeding cylinder (1). A cylinder (5) is fixedly connected to the top of the hopper (2). A connecting block (6) is fixedly connected to the piston rod of the cylinder (5). A guide assembly (7) is provided on the outside of the connecting block (6). Two sets of reset assemblies (8) are symmetrically arranged on the inside of the connecting block (6). A first scraper (9) for cleaning the hopper (2) is provided on the outside of both sets of reset assemblies (8). A rotating assembly (10) is provided at one end of the first scraper (9). A second scraper (11) is provided on the outside of the rotating assembly (10). An air blowing assembly (13) is provided on the inside of the feeding cylinder (1). A connecting component (14) is provided on the outside of the feeding pipe (4), a driving component (15) is provided on the outside of the connecting component (14), and a rotating block (16) and a limiting component (17) are provided on the outside of the driving component (15).

2. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The weighing assembly (3) includes a support frame (31) fixed to the outside of the feed cylinder (1), and four sets of sensors (32) are provided at the bottom of the support frame (31).

3. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The guiding component (7) includes a guide block (71) fixed to the outside of the connecting block (6), and a limiting groove (72) is provided on the inner wall of the injection hopper (2). The outer side of the guide block (71) is slidably connected to the inner wall of the limiting groove (72).

4. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The reset assembly (8) includes a guide rod (81) fixed to the outside of the connecting block (6), a spring (82) is sleeved on the outside of the guide rod (81), and the outside of the guide rod (81) is slidably connected to the inner wall of the first scraper (9).

5. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The rotating assembly (10) includes a rotating shaft (101) that rotates on the inner wall of the first scraper (9). A torsion spring (102) is sleeved on the outer side of the rotating shaft (101). The other end of the rotating shaft (101) is fixedly connected to one end of the second scraper (11).

6. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The conveying assembly (12) includes a first motor (121) fixed at one end of the feed cylinder (1), and a spiral roller (122) is provided at the output end of the first motor (121).

7. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The air blowing assembly (13) includes an air pump (131) fixed at one end of the feed cylinder (1), the output end of the air pump (131) is connected to a connecting pipe (132), and four sets of nozzles (133) are provided on the outside of the connecting pipe (132).

8. The automatic cleaning weighing and feeding device as described in claim 1, characterized in that: The connecting assembly (14) includes a connecting seat (141) fixed to the outside of the feed pipe (4), and two sets of tension springs (142) are fixedly connected to one side of the connecting seat (141).

9. The automatic cleaning weighing and feeding device as described in claim 8, characterized in that: The drive assembly (15) includes a second motor (151) fixed to one end of a tension spring (142), and a drive rod (152) is provided at the output end of the second motor (151). A rotating block (16) is fixedly connected to one end of the drive rod (152).

10. The automatic cleaning weighing and feeding device as described in claim 8, characterized in that: The limiting component (17) includes a fixing rod (171) fixed to one side of the connecting seat (141), and a sliding seat (172) is slidably connected to the outside of the fixing rod (171).

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