Fine powder recovery device for precision casting powder

Abstract

The utility model discloses a fine powder recovery device for precision casting powder, and mainly relates to the field of precision casting dust removal and recovery. Comprising a material receiving hopper arranged below a discharging elevator, the bottom of the material receiving hopper is slidably connected with a discharging pipe in the vertical direction, a recycling dust suction pipe is arranged above the material receiving hopper, the outer side of the recycling dust suction pipe is slidably sleeved with a dust suction cover in the vertical direction, and a connecting frame is arranged between the dust suction cover and the discharging pipe; and a power rod for driving the dust collection cover to slide up and down is arranged on the recycling dust collection pipe, and bag opening clamps are symmetrically arranged at the positions, close to the bottom, of the side face of the discharging pipe. The dust collection and recovery device has the advantages that the technical problems that in the grinding process, overflowing fine powder easily causes environmental pollution and production cost is increased can be solved, dust collection and recovery are rapidly and accurately conducted on the fine powder, pollution of the fine powder to the environment is reduced, waste of raw materials is reduced, cleanliness of the machining environment is guaranteed, and the grinding cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of precision casting powder recycling, in particular to a fine powder recycling device of precision casting powder. BACKGROUND

[0002] The particle size of precision casting powder becomes very small after a plurality of grinding procedures, when the ground powder is bagged, the powder entering the packaging bag will form dust scattered to the bag opening, which will pollute the processing environment of the workshop, and the dust is essentially also the precision casting powder, which is very expensive, and the continuous scattering will cause waste of the precision casting powder raw material, thereby increasing the grinding processing cost, therefore, how to effectively recycle the suction powder generated after grinding is a technical problem that must be solved in the precision casting powder grinding process. SUMMARY

[0003] The utility model discloses a fine powder recycling device of precision casting powder, which can solve the technical problem of environmental pollution and increased production cost caused by the scattered fine powder during grinding processing, through rapid and accurate dust suction and recovery of the fine powder, reduce the pollution of the fine powder to the environment, reduce the waste of raw materials, ensure the cleanliness of the processing environment, and reduce the grinding processing cost.

[0004] To achieve the above purpose, the utility model discloses the following technical scheme:

[0005] A fine powder recycling device of precision casting powder, comprising a receiving hopper arranged below a discharge elevator, a discharge pipe is connected to the bottom of the receiving hopper in a vertical sliding manner, a recycling dust suction pipe is arranged above the receiving hopper, a dust suction cover is arranged on the outer side of the recycling dust suction pipe in a vertical sliding manner, a connecting frame is arranged between the dust suction cover and the discharge pipe, a power rod is arranged on the recycling dust suction pipe to drive the dust suction cover to slide up and down, and bag opening clamps are symmetrically arranged on the side of the discharge pipe near the bottom.

[0006] Further, the bottom end of the recycling dust suction pipe is provided with a fixing disc, and the power rod is arranged on the fixing disc.

[0007] Further, a guide rod is arranged on the fixing disc, the guide rod penetrates through the dust suction cover and is connected to the dust suction cover in a sliding manner, the power rod is rotatably connected to the fixing disc, and the power rod penetrates through the dust suction cover and is connected to the dust suction cover in a threaded manner.

[0008] Further, a connecting pipe is arranged in communication with the bottom of the receiving hopper, and the discharge pipe is arranged on the outer side of the connecting pipe in a sliding manner.

[0009] Further, the bag opening clamps are rotatably connected to the side of the discharge pipe, and a tension spring is arranged between the bag opening clamps on both sides.

[0010] Further, the bottom end of the bag mouth clamp is provided with an arc-shaped clamping plate matched with the side of the discharging pipe.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The structure of the utility model is provided with a receiving hopper below the discharging elevator, the bottom of the receiving hopper is vertically slidably connected with a discharging pipe, the position close to the bottom of the side of the discharging pipe is symmetrically provided with a bag mouth clamp, and the upper portion of the receiving hopper is provided with a recycling dust suction pipe, so that when the packaging bag receives materials, the bag mouth of the packaging bag is clamped and fixed at the bottom of the discharging pipe by the bag mouth clamps on both sides, so that the precision casting powder does not overflow and form dust at the discharging pipe when entering the packaging bag, the dust formed overflows from the receiving hopper, the recycling dust suction pipe above the receiving hopper can quickly and accurately absorb the overflowed fine powder, thereby greatly reducing the amount of fine powder overflowing into the external environment, avoiding pollution to the environment and waste of raw materials, ensuring the cleanness of the processing environment and reducing the production cost of grinding processing.

[0013] 2、A dust suction cover is vertically slidably arranged outside the recycling dust suction pipe and covers the space above the receiving hopper, thereby further reducing the overflow amount of fine powder, and a connecting frame is arranged between the dust suction cover and the discharging pipe, the dust suction cover is driven to move up and down by a power rod, thereby driving the discharging pipe to move up and down along the lower portion of the receiving hopper, so as to cooperate with the bag mouth of the packaging bag of different heights, ensure that the bag mouth clamp can accurately clamp and fix the bag mouth of different types of packaging bags, improve the adaptability to different types of packaging bags, and improve the dust suction and recycling effect in the process of packaging and discharging the precision casting powder. BRIEF DESCRIPTION OF DRAWINGS

[0014] FIG. 1 is a perspective view of the utility model. Figure 1 FIG. 2 is a front view of the utility model.

[0015] Figure 2 FIG. 3 is a sectional view of the utility model along the A-A direction.

[0016] FIG. 4 is a sectional view of the utility model along the B-B direction. Figure 3 Figure 2 FIG. 5 is a sectional view of the utility model along the C-C direction.

[0017] FIG. 6 is a sectional view of the utility model along the D-D direction. Figure 4 Figure 3 FIG. 7 is a sectional view of the utility model along the E-E direction.

[0018] Reference signs in the drawings:

[0019] 1, discharging elevator; 2, receiving hopper; 3, discharging pipe; 4, recycling dust suction pipe; 5, dust suction cover; 6, connecting frame; 7, power rod; 8, bag mouth clamp; 9, fixed disc; 10, guide rod; 11, connecting pipe; 12, tension spring; 13, arc-shaped clamping plate.​​​ Detailed Implementation

[0020] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0021] Reference Figure 1 and Figure 2The utility model relates to a kind of fine powder recovery device of precision casting powder, main body structure includes the receiving hopper 2 being arranged below discharge elevator 1, discharge elevator 1 is arranged obliquely, for the precision casting powder that is discharged from the bottom of grinding equipment is lifted to high place, it is convenient to bagging operation to it, receiving hopper 2 is below the top end of the oblique direction of discharge elevator 1, so that the precision casting powder is lifted to high place and drop in the receiving hopper 2 below, preferably receiving hopper 2 is funnel shape of wide top narrow bottom, avoid powder to drop to outside, the bottom of the receiving hopper 2 is connected with discharge pipe 3 along vertical sliding, discharge pipe 3 and the bottom sliding communication of receiving hopper 2, discharge pipe 3 is inserted into the packaging bag below, so that the powder that falls from receiving hopper 2 can accurately enter packaging bag along discharge pipe 3, discharge pipe 3 can slide up and down relative to receiving hopper 2, to slide discharge pipe 3 upwards when packaging bag is placed, enough space is left for the placement of packaging bag, discharge pipe 3 is slid down after packaging bag is in place, guarantee the accuracy of powder into packaging bag, can also adjust the height of discharge pipe 3 adaptively according to the type of different packaging bag, meet the bagging demand of different types of packaging bag, the top of the receiving hopper 2 is equipped with recovery dust extraction pipe 4, recovery dust extraction pipe 4 is communicated with dust extraction system, so that suction force is generated from recovery dust extraction pipe 4, and the fine powder that spills is accurately absorbed, avoid spilling to external environment, the outside of recovery dust extraction pipe 4 is vertically slidably equipped with dust extraction cover 5, dust extraction cover 5 can effectively cover the space above receiving hopper 2, and the fine powder that spills is effectively blocked, so that recovery dust extraction pipe 4 can absorb fine powder in time accurately, further improve the effect of dust extraction, the connecting frame 6 is fixed by welding or bolt between dust extraction cover 5 and discharge pipe 3, the power rod 7 for driving dust extraction cover 5 to slide up and down is equipped on recovery dust extraction pipe 4, such structure can drive dust extraction cover 5 to slide up and down using power rod 7, and then drive discharge pipe 3 to slide up and down under the drive of connecting frame 6, to meet the bagging demand of different sizes of packaging bag, improve the convenience of adjusting the position of discharge pipe 3, the side of discharge pipe 3 is symmetrically equipped with bag opening clamp 8 near the bottom, bag opening clamp 8 is used to hold fixed on discharge pipe 3 after discharge pipe 3 is inserted into the inside of packaging bag, such structure can make the connection of discharge pipe 3 and packaging bag more closely, so that fine powder is not easy to spill from the connection of the two, and then fine powder and the air in packaging bag can be discharged from the top of receiving hopper 2, fine powder can be sucked away in time by recovery dust extraction pipe 4 when discharging from the top of receiving hopper 2, further eliminate the possibility of fine powder spilling, improve the effect of powder suction and dust extraction recovery.

[0022] Preferably, the bottom end of the recovery dust extraction pipe 4 is fixed by welding or bolt with fixed disc 9, the cross section of fixed disc 9 is annular, and the fixed disc 9 plays a supporting role, the power rod 7 is arranged on the fixed disc 9, and the fixed disc 9 can provide support for the power rod 7, so that it is more stable when driving dust extraction cover 5 to slide up and down relative to recovery dust extraction pipe 4.

[0023] Preferably, referring to Figure 3 , the fixed disc 9 is welded or bolted with a guide rod 10, the guide rod 10 penetrates the dust cover 5 and is in sliding connection with the dust cover 5, such a structure enables the dust cover 5 to slide up and down along the guide rod 10, and the structure of the dust cover 5 sliding up and down is more stable, the bottom end of the power rod 7 is rotatably connected to the fixed disc 9 through a bearing, the power rod 7 penetrates the dust cover 5 and is in threaded connection with the dust cover 5, when the power rod 7 rotates, it can drive the dust cover 5 to slide up and down along the guide rod 10 under the action of the threaded connection, the structure is simple and convenient to operate, and the threaded connection structure can keep the dust cover 5 in the position after sliding, greatly improving the convenience of adjusting the position of the dust cover 5 driving the discharge pipe 3.

[0024] Preferably, referring to Figure 4 , the bottom of the receiving hopper 2 is communicatively provided with a connecting pipe 11, the connecting pipe 11 is fixedly connected with the bottom of the receiving hopper 2 by welding or integral molding, and the discharge pipe 3 is slidably sleeved on the outside of the connecting pipe 11, such a structure enables the discharge pipe 3 to move up and down on the outside of the connecting pipe 11 when sliding up and down, and keeps the communication state with the receiving hopper 2 through the connecting pipe 11, and the sliding connection part is more compact and less likely to leak powder.

[0025] Preferably, the bag opening clamp 8 is rotatably connected with the side of the discharge pipe 3 through a pin shaft or a hinge, and a tension spring 12 is arranged between the two bag opening clamps 8, such a structure utilizes the tension spring 12 to keep the two bag opening clamps 8 close to each other, and further clamps and fixes the bag opening more stably on the side wall of the discharge pipe 3, when opening, only need to pull the bag opening clamps 8 to the two sides, and after the bag opening is placed, only need to release the bag opening clamps 8 to automatically clamp the bag opening under the action of the tension spring 12, further simplifying the operation steps and improving the convenience of clamping and cooperating the packaging bag with the discharge pipe 3.

[0026] Preferably, the bottom end of the bag opening clamp 8 is welded or bolted with an arc-shaped clamp plate 13 used in cooperation with the side of the discharge pipe, the arrangement of the arc-shaped clamp plate 13 enables it to cooperate more closely with the side wall of the discharge pipe 3, avoiding gaps at the contact position of the two, thereby further avoiding overflow of the suction powder from the contact position of the two, and reducing the possibility of powder scattering during packaging.

[0027] Working principle: the structure of the utility model discloses the lower portion of discharge elevator 1 is provided with receiving hopper 2, the bottom of receiving hopper 2 is connected with the discharge pipe 3 along the vertical sliding, the position of discharge pipe 3 side near the bottom is equipped with bag mouth clamp 8 symmetrically, the upper portion of receiving hopper 2 is equipped with recycling dust suction pipe 4, and such structure makes the packaging bag when receiving material, utilizes the bag mouth clamp 8 of both sides and clamps the bag mouth of packaging bag and fixes in the bottom of discharge pipe 3, so that the precision casting powder will not overflow and form dust at the discharge pipe 3 when entering the packaging bag, the dust formed from receiving hopper 2 overflow, and the recycling dust suction pipe 4 above receiving hopper 2 can quickly and accurately absorb the overflowed fine powder, thereby greatly reduce the quantity of fine powder overflow to the external environment, avoid the pollution to the environment and the waste of raw materials, ensure the cleanness of processing environment, reduce the production cost of grinding processing, the dust cover 5 is sleeved along the vertical sliding outside recycling dust suction pipe 4, is used for effectively covering the upper space of receiving hopper 2, further reduces the overflow amount of fine powder, and the connecting frame 6 is equipped between dust cover 5 and discharge pipe 3, utilizes power rod 7 and drives dust cover 5 to move up and down, and then drives discharge pipe 3 to move up and down along the lower portion of receiving hopper 2, so as to cooperate with the bag mouth of packaging bag of different heights, ensure that bag mouth clamp 8 can accurately clamp the bag mouth of different types of packaging bags and fix, improve the adaptability of different types of packaging bags, improve the dust suction and recovery effect in the process of precision casting powder packaging and discharging.

Claims

1. A fine powder recovery device for precision casting powder, comprising a receiving hopper (2) disposed below a discharge elevator (1), characterized in that: The bottom of the receiving hopper (2) is vertically connected to the discharge pipe (3). The upper part of the receiving hopper (2) is provided with a recycling suction pipe (4). The outer side of the recycling suction pipe (4) is vertically slidably fitted with a suction hood (5). A connecting frame (6) is provided between the suction hood (5) and the discharge pipe (3). The recycling suction pipe (4) is provided with a power rod (7) that drives the suction hood (5) to slide up and down. The side of the discharge pipe (3) is symmetrically provided with bag mouth clamps (8) near the bottom.

2. The fine powder recovery device for precision casting powder according to claim 1, characterized in that: The bottom end of the recycling suction pipe (4) is provided with a fixed plate (9), and the power rod (7) is set on the fixed plate (9).

3. The fine powder recovery device for precision casting powder according to claim 2, characterized in that: The fixed plate (9) is provided with a guide rod (10), which passes through the dust cover (5) and is slidably connected to it. The power rod (7) is rotatably connected to the fixed plate (9), and passes through the dust cover (5) and is threadedly connected to it.

4. The fine powder recovery device for precision casting powder according to claim 3, characterized in that: The bottom of the receiving hopper (2) is connected to a connecting pipe (11), and the discharge pipe (3) is slidably sleeved on the outside of the connecting pipe (11).

5. The fine powder recovery device for precision casting powder according to claim 1, characterized in that: The bag opening clamp (8) is rotatably connected to the side of the discharge pipe (3), and a tension spring (12) is provided between the bag opening clamps (8) on both sides.

6. The fine powder recovery device for precision casting powder according to claim 5, characterized in that: The bottom end of the bag opening clamp (8) is provided with an arc-shaped clamp plate (13) for use with the side of the discharge pipe (3).

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