CN216502199U

CN216502199U - Gravity continuous sand adding device

Info

Publication number: CN216502199U
Application number: CN202122515143.4U
Authority: CN
Inventors: 卢大陆; 王志飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-13
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a gravity continuous sand adding device which comprises a support ring, wherein support bars are circumferentially and uniformly arranged on the side edge of the support ring, the top of each support bar is connected with a top plate, a plurality of traction ropes are connected onto the top plates, the bottoms of the traction ropes are connected with a sand inlet hopper, the bottom of the sand inlet hopper is connected with a guide cylinder, sliding openings are formed in two sides of the guide cylinder, rotating plates are inserted into the sliding openings, and two ends, penetrating out of the sliding openings, of the rotating plates are provided with toothed rings. Because the traction rope is adopted to pull the sand inlet hopper, the position of sand falling into the sand box can be changed by pushing the sleeve, the vibration exciter switch is started, the vibration exciter operates to drive the sand inlet hopper, the guide cylinder and the sand outlet hopper to vibrate at high frequency, the lower speed of resin sand in the sand inlet hopper, the guide cylinder and the sand outlet hopper can be accelerated, the forward and reverse rotation of the motor is controlled by the forward and reverse rotation controller, the motor can drive the connecting plate and the separation blade to rotate when operating, the position of the separation blade can be changed, the area of the sand outlet of the separation blade in plugging can be changed, and the sand falling speed can be changed, so that the use is more convenient.

Description

Gravity continuous sand adding device

Technical Field

The utility model belongs to the technical field of injection mold manufacturing, and particularly relates to a gravity continuous sand adding device.

Background

The injection mold is mainly manufactured through a sandbox, a foam plastic body with the same size as the injection mold is placed in the sandbox, resin sand is added into the sandbox, the foam plastic body is effectively covered, metal liquid is poured into the sandbox, the foam plastic body is gasified, the injection mold is formed in the sandbox, when the resin sand is added into the sandbox, the resin sand is added into the sandbox by a sand adding device, the existing sand adding device is generally adopted, a main body is supported on the ground by a fixed connection frame, a sand hopper is installed on the fixed connection frame, a guide cylinder is further connected to the bottom of the sand hopper, a lower sand hopper is connected to the bottom of the guide cylinder, a discharge pipe is connected to the bottom of the lower sand hopper, resin sand is continuously added into the sand hopper by an operator, the position of the sandbox needs to be controlled, and the position of the lower-discharge resin sand needing to enter the sandbox is guaranteed, and the defects exist: arrange husky in-process, need remove the husky position of going down of heavier sandbox regulation to it is not convenient for adjust down husky speed, it is not very convenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gravity continuous sand adding device to solve the problem that the prior art is inconvenient to use.

In order to achieve the purpose, the utility model provides the following technical scheme: a gravity continuous sand adding device comprises a support ring, wherein support bars are evenly arranged in the annular direction of the side of the support ring, the top of each support bar is connected with a top plate, a plurality of traction ropes are connected onto the top plate, the bottom of each traction rope is connected with a sand inlet hopper, the bottom of each sand inlet hopper is connected with a guide cylinder, sliding openings are formed in two sides of each guide cylinder, rotating plates are inserted into the sliding openings, tooth rings are arranged at two ends, penetrating out of the sliding openings, of the rotating plates, a fixing frame is arranged on one side of each guide cylinder, a motor is arranged on the fixing frame, a rotor shaft of the motor penetrates through the fixing frame and is connected with a gear, the gear is meshed with the tooth rings, a support frame is arranged on the other side of each guide cylinder, a vibration exciter is arranged on the support frame, a support hopper is arranged on the inner wall of each guide cylinder, the annular direction of the side of each support hopper is provided with a sand outlet, a connecting plate is arranged in the support hopper, separation blades and the annular direction of the side of the connecting plate is evenly provided with the separation blades, the utility model discloses a sand bucket, including connecting plate, swing arm, support fill, power input end, cable connection positive and negative rotation controller and positive and negative rotation controller, be connected with the swing arm on the connecting plate, the swing arm runs through the support fill and connects on the swing arm, the power output end of motor passes through the cable connection peripheral hardware power of positive and negative rotation controller and positive and negative rotation controller, the bottom of guide cylinder is connected with sand bucket down, sand bucket's lower port is connected with the calandria down.

Preferably, one end of the traction rope penetrates through the top plate and is connected with the limiting plate, the traction rings with the same number as the traction rope are arranged on the edge of the sand inlet hopper, and the other end of the traction rope is connected with the traction rings.

Preferably, the sand outlet is a square opening.

Preferably, the tube bank is sleeved with a sleeve, and bolts are screwed on two sides of the sleeve.

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

in the utility model, the traction rope is adopted to pull the sand inlet hopper, the position of the sand falling into the sand box can be changed through the pushing sleeve, the vibration exciter switch is started, the vibration exciter operates to drive the sand inlet hopper, the guide cylinder and the sand falling hopper to vibrate at high frequency, so that the downward discharge speed of resin sand in the sand inlet hopper, the guide cylinder and the sand falling hopper is accelerated, the forward and reverse rotation of the motor is controlled by the forward and reverse rotation controller, the motor operates to drive the connecting plate and the separation blade to rotate, the position of the separation blade is changed, the area of the sand falling opening blocked by the separation blade is changed, the sand falling speed is changed, the use is more convenient, and the problem of inconvenient use in the prior art is solved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

FIG. 3 is a schematic top view taken at A-A of FIG. 1;

FIG. 4 is a schematic top view of FIG. 1;

FIG. 5 is an enlarged view of a portion a of FIG. 2;

fig. 6 is an enlarged schematic view of the structure at b of fig. 2.

In the figure: the device comprises a support ring 1, a support bar 2, a top plate 3, a traction rope 4, a limiting plate 5, a sand inlet hopper 6, a traction ring 7, a guide cylinder 8, a sliding opening 9, a rotating plate 10, a toothed ring 11, a fixing frame 12, a motor 13, a gear 14, a support frame 15, a vibration exciter 16, a support hopper 17, a sand outlet 18, a connecting plate 19, a separation blade 20, a rotating rod 21, a forward and reverse rotation controller 22, a sand outlet hopper 23, a discharge pipe 24, a sleeve 25 and a bolt 26.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, 2, 3, 4 and 5, an embodiment of the utility model provides a gravity continuous sand adding device, which comprises a support ring 1, support bars 2 are uniformly welded around the support ring 1 in a circumferential direction, a top plate 3 is welded on the tops of the support bars 2, four traction ropes 4 are uniformly inserted into the top plate 3 in a circumferential direction, the traction ropes 4 are flexible steel wire ropes with a cross section of 2 mm, the traction ropes 4 penetrate through the upper end of the top plate 3 and are welded with a limiting plate 5, the limiting plate 5 is arranged to limit the traction ropes 4 to be separated from the top plate 3 downwards, traction rings 7 with the same number as the traction ropes 4 are welded on the edge of a sand inlet hopper 6, the lower end of each traction rope 4 is welded with a traction ring 7, a guide cylinder 8 is welded on the bottom of the sand inlet hopper 6 in a seamless manner, sliding openings 9 are arranged on the left side and the right side of the guide cylinder 8, the sliding openings 9 are arc-shaped openings, rotating plates 10 are inserted into the sliding openings 9 in a sliding manner, the rotating plates 10 penetrate through the two ends of the sliding openings and are welded with the inner walls of toothed rings 11, the inner wall of the gear ring 11 is in sliding contact with the inner wall of the guide cylinder 8, a fixed frame 12 is fixed on the right side screw of the guide cylinder 8, a motor 13 is fixed on the fixed frame 12 through screws, the model of the motor 13 is CH, the motor is a speed reducing motor, the rotating speed is 20r/min, a rotor shaft of the motor 13 penetrates through a shaft hole arranged at the upper end of the fixed frame 12 in a sliding mode and is welded with a gear 14, the gear 14 is meshed with the gear ring 11, when the motor 13 runs, the gear 14 drives the toothed ring 11 to rotate, a support frame 15 is fixed to the left side of the guide cylinder 8 through screws, the support frame 15 is a U-shaped plate, a vibration exciter 16 is fixed to the support frame 15 through screws, the type of the vibration exciter 16 is HY-MVE, a power plug of the vibration exciter 16 is connected with a power socket, a switch of the vibration exciter 16 is started, the vibration exciter 16 runs, the sand inlet hopper 6, the guide cylinder 8 and the lower sand hopper 23 are driven to vibrate at high frequency, and therefore resin sand in the sand inlet hopper 6, the guide cylinder 8 and the lower sand hopper 23 is accelerated to be discharged at a lower speed.

Referring to fig. 1, 2, 3, 4, 5 and 6, a supporting hopper 17 is welded on the lower side of the inner wall of a guide cylinder 8 in a seamless manner, a sand outlet 18 is arranged on the side of the supporting hopper 17 in the circumferential direction, the sand outlet 18 is a square opening, a central position of the inner wall of the supporting hopper 17 is in sliding contact with a connecting plate 19, four blocking pieces 20 are uniformly arranged on the side of the connecting plate 19 in the circumferential direction, the connecting plate 19 and the blocking pieces 20 are in a one-piece member, the blocking pieces 20 are in sliding contact with the inner wall of the supporting hopper 17, a rotating rod 21 is welded on the central position of the upper end of the connecting plate 19, the rotating rod 21 penetrates through a shaft hole in the central position of the supporting hopper 17 in a sliding manner and is welded on a rotating plate 10, when a motor 13 runs, the connecting plate 19 and the blocking pieces 20 can be driven to rotate, a power input end of the motor 13 is connected with a forward and reverse rotation controller 22 through a cable, a power output end of the forward and reverse rotation controller 22 is connected with an external power supply through a cable, the model of the forward and reverse rotation controller 22 is LW26-20, the motor 13 is controlled to rotate positively and negatively through the positive and negative rotation controller 22, the position of the blocking piece 20 is changed, the area of the sand outlet 18 under the blocking of the blocking piece 20 is changed, the sand falling speed is changed, the lower sand hopper 23 is seamlessly welded at the bottom of the guide cylinder 8, the discharge pipe 24 is seamlessly welded at the lower port of the lower sand hopper 23, the sleeve pipe 25 is sleeved on the discharge pipe 24 in a sliding mode, bolts 26 are screwed on two sides of the sleeve pipe 25, the discharge pipe 24 is tightly pressed by the bolts 26 through locking of the bolts 26 on two sides, and therefore the sleeve pipe 25 is limited to move downwards.

The working principle of the embodiment is as follows: when the device is used, a sand box filled with a foam plastic body is placed between the support rings 1, the power supply of the motor 13 and the vibration exciter 16 is switched on, one operator can add resin sand from the upper port of the sand inlet hopper 6, the other operator can hold the sleeve 25, the traction rope 4 is adopted to pull the sand inlet hopper 6, the position of the lower sand in the sand box can be changed by pushing the sleeve 25, the vibration exciter 16 is started to be switched on and switched off, the vibration exciter 16 operates to drive the sand inlet hopper 6, the guide cylinder 8 and the lower sand hopper 23 to vibrate at high frequency, so that the lower discharging speed of the resin sand in the sand inlet hopper 6, the guide cylinder 8 and the lower sand hopper 23 is accelerated, the forward and reverse rotation of the motor 13 is controlled by the forward and reverse rotation controller 22, when the motor 13 operates, the connecting plate 19 and the separation blade 20 can be driven to rotate, the position of the separation blade 20 is changed, the area of the lower sand inlet 18 blocked by the separation blade 20 is changed, so that the lower sand speed is changed, and the device is more convenient to use;

the height of the sleeve 25 can be adjusted by loosening the bolt 26 and adjusting the height of the sleeve 25 on the rack pipe 24 up and down until the sleeve 25 is adjusted to a proper position, and the bolt 26 can be locked again, so that the sand dropping height of the sleeve 25 can be adjusted conveniently.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a sand device is added in succession to gravity which characterized in that: comprises a support ring (1), the top of the support ring (1) on which the support bars (2) and the support bars (2) are uniformly arranged is connected with a top plate (3), the bottom of the top plate (3) connected with a plurality of hauling ropes (4) and the hauling ropes (4) is connected with a sand inlet hopper (6), the bottom of the sand inlet hopper (6) is connected with a guide cylinder (8), two sides of the guide cylinder (8) are provided with sliding openings (9), rotating plates (10) are inserted in the sliding openings (9), two ends of the rotating plates (10) penetrating out of the sliding openings (9) are provided with toothed rings (11), one side of the guide cylinder (8) is provided with a fixed frame (12), a motor (13) is arranged on the fixed frame (12), a rotor shaft of the motor (13) penetrates through the fixed frame (12) and is connected with a gear (14), the gear (14) is meshed with the toothed rings (11), and the other side of the guide cylinder (8) is provided with a support frame (15), a vibration exciter (16) is arranged on the support frame (15), a support hopper (17) is arranged on the inner wall of the guide cylinder (8), a sand outlet (18) is annularly arranged at the side of the supporting hopper (17), a connecting plate (19) is arranged in the supporting hopper (17), the side of the connecting plate (19) is annularly and uniformly provided with baffle sheets (20), the baffle sheets (20) are contacted with the inner wall of the supporting hopper (17), the connecting plate (19) is connected with a rotating rod (21), the rotating rod (21) penetrates through the supporting bucket (17) and is connected to the rotating plate (10), the power input end of the motor (13) is connected with the forward and reverse rotation controller (22) through a cable, the power output end of the forward and reverse rotation controller (22) is connected with an external power supply through a cable, the bottom of the guide cylinder (8) is connected with a lower sand hopper (23), and the lower port of the lower sand hopper (23) is connected with a calandria (24).

2. A gravity fed continuous sand apparatus as claimed in claim 1, wherein: one end of the traction rope (4) penetrates through the top plate (3) and is connected with the limiting plate (5), traction rings (7) with the same number as the traction rope (4) are arranged on the edge of the sand inlet hopper (6), and the other end of the traction rope (4) is connected with the traction rings (7).

3. A gravity fed continuous sand apparatus as claimed in claim 1, wherein: the sand outlet (18) is a square opening.

4. A gravity fed continuous sand apparatus as claimed in claim 1, wherein: the rack pipe (24) is sleeved with a sleeve (25), and bolts (26) are screwed on two sides of the sleeve (25).