Powder particle discharging device capable of preventing material dripping
By designing a powder particle feeding device to prevent dripping, the problem of dripping during the powder packaging process is solved by using a striking cylinder and centrifugal force, thus achieving a sealing effect on the packaging bag and the continuous use of the tray.
Patent Information
- Application Number
- CN202520208218.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing powder products are prone to powder dripping during the packaging process, which can cause powder to get trapped at the sealed part of the packaging and affect product quality.
A powder particle feeding device to prevent dripping was designed, including a hopper, a feeding pipe, a feeding screw, an anti-drip mechanism, a bearing mechanism, and a cleaning mechanism. The material is made to fall onto the tray by striking the tray with a striking cylinder, and the material is thrown into the packaging bag by centrifugal force. The cleaning mechanism cleans the adhering material with an air nozzle.
It effectively solves the problem of material dripping after feeding, reduces powder trapping, ensures the sealing effect of packaging bags, and extends the service life of pallets.
Smart Images
Figure CN223751157U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to powder packing equipment technical field, concretely relates to a powder particle unloading device of preventing dripping. BACKGROUND
[0002] There are many kinds of powder products, involving starch, pesticide, veterinary drug, premix, additive, condiment, enzyme preparation and various products.
[0003] At present, when powder products are packed, the existing measures are mostly grid type or disc type (hereinafter referred to as metering disc) to prevent powder dripping in the production process, causing powder clamping at the sealing of the package.
[0004] However, in order to prevent powder dripping, the opening of the two kinds of unloading nozzles will be reduced during the manufacturing and installation process, or even the opening rate will be reduced, which will increase the resistance during the unloading process, and the material will be more closely contacted during the resistance increasing process, which is easy to form "crystal bridge", and the material "suspension" and "hanging" phenomenon is easy to form after the unloading nozzle.
[0005] However, the "suspension" and "hanging" of the material are easy to randomly break and fall in the normal operation process of the equipment, which will affect the adhesion between the package materials and cause powder clamping, thereby affecting the product quality. How to solve the "suspension" and "hanging" of the material is a difficult problem that needs to be solved by the technical personnel in the technical field. Based on this, we propose a powder particle unloading device for preventing dripping. UTILITY MODEL CONTENT
[0006] The utility model aims at overcoming the above problems existing in the prior art, and provides a powder particle unloading device for preventing dripping, which is convenient for solving the "dripping" phenomenon after unloading.
[0007] In order to realize the above technical purpose and achieve the above technical effect, the utility model is realized by the following technical scheme:
[0008] A powder particle unloading device for preventing dripping, comprising a hopper, the bottom of the hopper is provided with a feeding pipe, the inner cavity top of the hopper is rotatably connected with a feeding screw rod, the bottom of the feeding pipe is provided with an anti-dripping mechanism, and the anti-dripping mechanism is connected with one end of the feeding screw rod extending into the inner cavity bottom of the feeding pipe.
[0009] The anti-dripping mechanism comprises a metering disc and a tray, and the tray is located at the bottom of the metering disc.
[0010] The outer lower end of the feeding pipe is provided with a bearing mechanism and a material cleaning mechanism, and the material cleaning mechanism is connected below the bearing mechanism, the lower end of the side of the feeding pipe is provided with a knocking cylinder, and the power telescopic end of the knocking cylinder corresponds to the outer wall of the feeding pipe.
[0011] Preferably, the bottom of the tray is provided with a fixing bolt, the top of the metering disc is fixedly connected with a connecting sleeve, the connecting sleeve and the metering disc are sleeved on one end of the fixing bolt which penetrates through the top of the tray, and the top threaded end of the fixing bolt is screwed with the feeding screw.
[0012] Based on the above technical features, the installation and disassembly of the anti-dripping mechanism at the bottom of the feeding pipe are facilitated.
[0013] Preferably, the bearing mechanism includes two groups of semicircular bearing plates which are symmetric about the left and right of the feeding pipe and two groups of supporting blocks which are symmetric about the front and back of the feeding pipe, the supporting blocks are fixedly connected with the feeding pipe, the left and right sides of the supporting blocks are provided with positioning blocks, the bottom of the positioning blocks is fixedly connected with the semicircular bearing plates, and the supporting blocks and the two groups of positioning blocks are fixedly connected through bolts and nuts.
[0014] Based on the above technical features, the two groups of semicircular bearing plates are facilitated to be assembled, fixed and disassembled on the feeding pipe.
[0015] Preferably, the cleaning mechanism includes a ring pipe, the ring pipe is sleeved on the outside of the feeding pipe, the top of the ring pipe is fixedly connected with four groups of supporting columns, the top of the supporting columns is fixedly connected with positioning blocks, and the positioning blocks are connected with the bearing mechanism through screws.
[0016] Based on the above technical features, the position of the ring pipe is fixed after being sleeved on the feeding pipe.
[0017] Preferably, the top of the ring pipe is provided with an air inlet pipe, the air inlet end of the air inlet pipe is in communication with the gas conveying end of an external air suction pump, the air inlet pipe is located between the adjacent two groups of supporting columns, the bottom of the ring pipe is in communication with six groups of air injection nozzles, and the six groups of air injection nozzles and the four groups of supporting columns are arranged in a ring array on the circumference of the feeding pipe.
[0018] Based on the above technical features, the four groups of supporting columns arranged in a ring array facilitate to stably support the ring pipe.
[0019] Preferably, the top of the tray is fixedly connected with clamping protrusions on the left and right sides, and the bottom of the metering disc is provided with clamping blind holes matched with the clamping protrusions.
[0020] Based on the above technical features, the clamping protrusions and the clamping blind holes are clamped and matched, which facilitates the preliminary fixation of the tray at the bottom of the metering disc.
[0021] Preferably, the top of the hopper is provided with a feeding motor, and the bottom power output end of the feeding motor is connected with one end of the feeding screw which penetrates through the top of the hopper.
[0022] Based on the above technical features, the feeding screw is driven to rotate, thereby realizing the conveying of the material in the hopper to the feeding pipe and finally outputting from the bottom of the feeding pipe.
[0023] In summary, the utility model has at least one of the following beneficial effects:
[0024] First, by adding a knocking cylinder beside the feeding pipe and a tray at the bottom of the metering disc, the material suspended and hung on the metering disc can fall on the tray at any time by knocking the feeding pipe with the knocking cylinder, and the tray is driven to rotate by the feeding screw during the next feeding, so that the material on the tray is thrown into the packaging bag under the action of centrifugal force, thereby conveniently solving the "dripping" phenomenon after discharging and effectively reducing the powder clamping problem during the sealing process of the bag packaging, and effectively ensuring the sealing effect of the packaging bag.
[0025] Second, the tray is cleaned and blown after a period of operation of the device and after the knocking action, so that the material adhered to the tray and not thrown by the centrifugal force is cleaned and blown into the packaging bag, thereby facilitating the continuous use of the tray. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 Structure diagram of the utility model in use state Figure 1 .
[0027] Figure 2 Structure diagram of the utility model in use state Figure 2 .
[0028] Figure 3 Front view of the utility model Figure 1 .
[0029] Figure 4 Front view of the utility model Figure 1 .
[0030] Figure 5 Structure diagram of the anti-dripping mechanism of the utility model
[0031] Figure 6 Structure diagram of the bearing mechanism and the cleaning mechanism of the utility model
[0032] In the drawings, the components represented by each reference number are listed as follows:
[0033] 1-hopper, 2-feeding pipe, 3-feeding motor, 4-bearing mechanism, 401-semi-circular bearing plate, 402-supporting block, 403-positioning block, 5-knocking cylinder, 6-clearing mechanism, 601-ring pipe, 602-supporting column, 603-air inlet pipe, 604-air nozzle, 7-drip-proof mechanism, 701-metering disc, 702-tray, 703-connecting sleeve, 704-fixing bolt, 8-feeding screw. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0035] Embodiment 1
[0036] One embodiment provided by the utility model: as shown in Figure 1 and Figure 3 A powder particle discharging device capable of preventing material dripping, comprising a hopper 1 and a device PLC of prior art, wherein the top of the hopper 1 is provided with a feeding motor 3, and the top of the hopper 1 is also provided with a feeding port located beside the feeding motor 3, so as to facilitate feeding of the hopper 1, the bottom of the hopper 1 is provided with a feeding pipe 2, the inner cavity top of the hopper 1 is rotatably connected with a feeding screw 8, the bottom power output end of the feeding motor 3 is connected with one end of the feeding screw 8 penetrating through the top of the hopper 1, the device PLC controls the feeding motor 3 to start and stop, and further controls the feeding screw 8 to start and stop, the feeding motor 3 drives the feeding screw 8 to rotate and stop, so as to realize conveying of the material in the hopper 1 to the feeding pipe 2 and finally outputting from the bottom of the feeding pipe 2, and the bottom of the feeding pipe 2 is provided with a drip-proof mechanism 7 connected with one end of the feeding screw 8 extending into the inner cavity bottom of the feeding pipe 2.
[0037] As shown in Figure 5As shown, the anti-dripping mechanism 7 includes a metering disc 701 and a tray 702, the tray 702 is located at the bottom of the metering disc 701, the purpose of adding the tray 70 is to make the material "suspended" on the metering disc 701 not fall to the surface of the packaging material when falling; The top of the tray 702 is fixed with a clamping protrusion on the left and right sides, and the bottom of the metering disc 701 is provided with a clamping blind hole matched with the clamping protrusion, and the clamping protrusion and the clamping blind hole are matched, which is convenient for the preliminary fixation of the tray 702 at the bottom of the metering disc 701; The bottom of the tray 702 is provided with a fixing bolt 704, and the top of the metering disc 701 is fixedly connected with a connecting sleeve 703, the connecting sleeve 703 and the metering disc 701 are sleeved on the end of the fixing bolt 704 which is movably penetrated through the top of the tray 702, the height of the connecting sleeve 703 is 1-3mm, so that the distance between the metering disc 701 and the feeding pipe 2 is 1-3mm, the diameter of the metering disc 701 is equal to the outer diameter of the feeding pipe 2, the diameter of the tray 702 is greater than that of the metering disc 701 by 2-10mm, and the top threaded end of the fixing bolt 704 is screwed with the feeding screw 8, which is convenient for mounting, fixing and dismounting the anti-dripping mechanism 7 at the bottom of the feeding pipe 2.
[0038] As shown in Figure 1 , Figure 2 and Figure 4 , the outer lower end of the feeding pipe 2 is provided with a bearing mechanism 4 and a material cleaning mechanism 6, and the material cleaning mechanism 6 is connected below the bearing mechanism 4, the lower end of the side of the feeding pipe 2 is provided with a knocking cylinder 5, the installation position is 50-150mm away from the discharge port position of the bottom of the feeding pipe 2, the power extension end of the knocking cylinder 5 corresponds to the outer wall of the feeding pipe 2, the knocking start and stop of the knocking cylinder 5 is controlled by the equipment PLC, in principle, the knocking action is completed within 0.01-0.5s after the rotation of the feeding screw 8 is completed (the knocking and falling are completed before the air inlet of the packaging bag), the purpose of knocking is to make the material on the edge of the tray 702 fall naturally, and the block material collapses and forms a rest angle.
[0039] As shown in Figure 6 , the bearing mechanism 4 includes two groups of semicircular bearing plates 401 which are symmetrical about the left and right of the feeding pipe 2 and two groups of support blocks 402 which are symmetrical about the front and back of the feeding pipe 2, and the support blocks 402 are fixedly connected with the feeding pipe 2, the left and right sides of the support blocks 402 are provided with positioning blocks 403, and the bottom of the positioning blocks 403 is fixedly connected with the semicircular bearing plates 401, and the support blocks 402 and the two groups of positioning blocks 403 are fixedly connected through bolt cooperation with nuts, which is convenient for assembling, fixing and dismounting the two groups of semicircular bearing plates 401 on the feeding pipe 2.
[0040] As shown in Figure 2 and Figure 6As shown, the material cleaning mechanism 6 includes a ring pipe 601 sleeved on the outside of the feeding pipe 2, the top of the ring pipe 601 is fixedly connected with four groups of support columns 602, the top of the support column 602 is fixedly connected with a positioning block, the positioning block is connected with the semicircular bearing plate 401 in the bearing mechanism 4 through screws, after the bearing mechanism 4 is fixedly installed on the outside of the feeding pipe 2, the position of the ring pipe 601 sleeved on the feeding pipe 2 is fixed, so that the material cleaning mechanism 6 is fixedly installed at the bottom of the bearing mechanism 4, and the bearing mechanism 4 supports the overall use of the material cleaning mechanism 6.
[0041] As shown in Figure 2 and Figure 6 As shown, the top of the ring pipe 601 is provided with an air inlet pipe 603, the air inlet end of the air inlet pipe 603 is connected with the air outlet end of an external air pump (omitted in the figure), the start and stop of the external air pump is also controlled by the equipment PLC, the air inlet pipe 603 is located between the adjacent two groups of support columns 602, the bottom of the ring pipe 601 is connected with six groups of air nozzles 604, the six groups of air nozzles 604 and the four groups of support columns 602 are arranged in a ring array at the periphery of the feeding pipe 2, and the bottom output end of the air nozzle 604 corresponds to the top position of the tray 702, the four groups of support columns 602 arranged in a ring array are used for stably supporting the ring pipe 601, a large amount of high-pressure gas is transported into the ring pipe 601 through the air inlet pipe 603 by the air pump, and then the high-pressure gas in the ring pipe 601 is uniformly blown to the tray 702 through the six groups of uniformly distributed air nozzles 604, so that the material adhered to the tray 702 and not thrown off by the centrifugal force is cleaned and blown into the packaging bag, thereby facilitating the continuous use of the tray 702.
[0042] Application example:
[0043] A certain heavy material is metered and packaged, the feeding screw 8 is driven to rotate by the feeding motor 3 to feed, and the material at the discharge port between the feeding pipe 2 and the metering disc 701 is discharged to the periphery due to the extrusion force and the centrifugal force.
[0044] After the feeding screw 8 stops feeding, the material at the edge of the metering disc 701 forms a cross section, part of the material is “suspended” at the edge of the metering disc 701, the knocking cylinder 5 is started once, the feeding pipe 2 is vibrated, most of the material falls on the tray 702, the material scattered by the subsequent equipment is also collected by the tray 702, and the equipment is hot sealed and sealed. The next bag is fed, the metering disc 701 and the tray 702 are driven to rotate by the feeding screw 8, and the material on the tray 702 is thrown into the packaging bag under the action of the centrifugal force.
[0045] After working for a period of time, after the knocking action of the knocking cylinder 5 is completed, the tray 702 is first cleaned by the cleaning mechanism 6, and then the equipment continues to complete the heat sealing of the bag package, and then continues the feeding action of the next bag.
[0046] The preferred embodiments disclosed above are only used to help explain the utility model, and the preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. Any equivalent changes and modifications made within the scope of the patent application of the utility model shall be considered to fall within the scope of the utility model patent.
Claims
1. A powder particle dispensing device for preventing material dripping, comprising a hopper (1), characterized in that: The bottom of the hopper (1) is provided with a feeding pipe (2), the top of the inner cavity of the hopper (1) is rotatably connected with a feeding screw (8), the bottom of the feeding pipe (2) is provided with a material dripping prevention mechanism (7), and one end of the feeding screw (8) extending into the inner cavity of the feeding pipe (2) is connected with the material dripping prevention mechanism (7). The material dripping prevention mechanism (7) comprises a metering disc (701) and a tray (702), and the tray (702) is located at the bottom of the metering disc (701). The outer lower end of the feeding pipe (2) is provided with a bearing mechanism (4) and a material cleaning mechanism (6), the material cleaning mechanism (6) is connected below the bearing mechanism (4), the lower end of the side of the feeding pipe (2) is provided with a knocking cylinder (5), and the power telescopic end of the knocking cylinder (5) corresponds to the outer wall of the feeding pipe (2).
2. The powder particle material dropping preventing device according to claim 1, characterized by: The bottom of the tray (702) is provided with a fixing bolt (704), the top of the metering disc (701) is fixedly connected with a connecting sleeve (703), the connecting sleeve (703) and the metering disc (701) are sleeved on one end of the fixing bolt (704) which movably penetrates the top of the tray (702), and the threaded end of the top of the fixing bolt (704) is screwed with the feeding screw (8).
3. The powder particle dispensing apparatus of claim 1, wherein: The bearing mechanism (4) comprises two groups of semicircular bearing plates (401) which are symmetrically arranged on the left and right of the feeding pipe (2) and two groups of support blocks (402) which are symmetrically arranged on the front and back of the feeding pipe (2), the support blocks (402) are fixedly connected with the feeding pipe (2), the left and right sides of the support blocks (402) are provided with positioning blocks (403), the bottom of the positioning blocks (403) is fixedly connected with the semicircular bearing plates (401), and the support blocks (402) and the two groups of positioning blocks (403) are fixedly connected through bolt cooperation with nuts.
4. The powder particle material dropping preventing device according to claim 1, wherein: The material cleaning mechanism (6) comprises a ring pipe (601), the ring pipe (601) is sleeved on the outside of the feeding pipe (2), the top of the ring pipe (601) is fixedly connected with four groups of support columns (602), the top of the support columns (602) is fixedly connected with positioning blocks, and the positioning blocks are connected with the bearing mechanism (4) through screws.
5. The powder particle material dropping preventing device according to claim 4, wherein: The top of the ring pipe (601) is provided with an air inlet pipe (603), the air inlet end of the air inlet pipe (603) is in communication with the gas conveying end of an external air pump, the air inlet pipe (603) is located between the adjacent two groups of support columns (602), the bottom of the ring pipe (601) is in communication with six groups of air jet nozzles (604), and the six groups of air jet nozzles (604) and the four groups of support columns (602) are arranged in a ring array on the circumference of the feeding pipe (2).
6. The powder particle material dropping prevention device according to claim 1, characterized by: The top of the tray (702) is fixedly connected with clamping protrusions on the left and right sides, and the bottom of the metering disc (701) is provided with clamping blind holes matched with the clamping protrusions.
7. The powder particle material dropping prevention device according to claim 1, wherein: The top of the hopper (1) is provided with a feeding motor (3), and one end of the bottom power output end of the feeding motor (3) penetrating the top of the hopper (1) is connected with the feeding screw (8).