CN212168885U

CN212168885U - Injection molding system

Info

Publication number: CN212168885U
Application number: CN202020716289.8U
Authority: CN
Inventors: 俞斌; 陈小富
Original assignee: Zhuji City Haichuan Machinery Casting Co ltd
Current assignee: Zhuji City Haichuan Machinery Casting Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-18
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to an injection molding system relates to the as cast technical field of sand mould, and it includes the frame, the top of frame is provided with the agitating unit who is used for mixing the stirring, the bottom of frame is slided along vertical direction and is connected with the mount table, can dismantle on the mount table and be connected with the core box, mount table department is provided with and is used for promoting the drive arrangement that reciprocal the sliding took place along vertical direction for the mount table, agitating unit with be provided with the conveyor who is used for carrying the molding sand between the core box. The utility model discloses a setting of agitating unit, conveyor and drive arrangement for can pass through equipment realization integration production with the flow of production sand mould, improve the efficiency of production sand mould.

Description

Injection molding system

Technical Field

The utility model belongs to the technical field of the as cast technique of sand mo (u) ld and specifically relates to an injection molding system is related to.

Background

Sand casting is a widely used form of casting that requires placing a finished part pattern or wooden pattern in sand, filling the pattern with sand, unpacking and removing the pattern to form a mold.

At present, the basic flow of the sand casting process comprises the following steps: the sand preparation method comprises the steps of sand preparation, molding, core making, molding, pouring, shakeout, grinding, inspection and the like, wherein the three steps are generally distributed, a sand mixer is used for stirring and mixing required sand, the mixed sand is filled into a specific core box, then the sand is compacted, and the molding work is completed.

The above prior art solutions have the following drawbacks: when the above steps are performed, continuous molding work cannot be performed in the core box, and the mixed molding sand needs to be manually loaded into the core box and compacted, which consumes time and effort of workers.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an injection molding system, can mix the molding sand automatically and carry out compaction work to mixing the molding sand transportation to the core box in, reduce staff's work load, improve the production efficiency of sand mould.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an injection molding system, includes the frame, the top of frame is provided with the agitating unit who is used for mixing the stirring, the bottom of frame is slided along vertical direction and is connected with the mount table, can dismantle on the mount table and be connected with the core box, mount table department is provided with and is used for promoting the drive arrangement that reciprocal slippage took place along vertical direction for the mount table, agitating unit with be provided with the conveyor who is used for carrying the molding sand between the core box.

Through adopting above-mentioned technical scheme, when carrying out the manufacturing work of sand mould, at first add the agitating unit on frame top with raw materials such as molding sand, agitating unit stirs the mixing work to raw materials such as molding sand, the molding sand that mixes passes through conveyor and transports in the core box on to the mount table, drive arrangement drives the mount table simultaneously and follows vertical direction reciprocating displacement, and then plays the automatic compaction effect to the molding sand in the core box, so set up for the flow that will produce the sand mould passes through equipment realization integration production.

The present invention may be further configured in a preferred embodiment as: agitating unit includes agitator disk and stirring leaf, the agitator disk can dismantle the connection and be in the frame top, there is the top cap on the top end of agitator disk through bolted connection, set up the fan-shaped breach that is used for the material loading on the top cap, install first motor on the top cap, the output shaft of first motor with stirring leaf coaxial coupling, the stirring leaf is the tilt state, the agitator disk below is provided with out the hopper.

By adopting the technical scheme, when the molding sand needs to be stirred, the first motor is started, the first motor drives the stirring blades to rotate, and meanwhile, under the condition that the heights of the stirring blades are fixed, the contact areas of the stirring blades and the molding sand are increased due to the inclined arrangement of the stirring blades, and the stirring effect on the molding sand is enhanced to a certain extent; the setting of top cap can prevent to a certain extent that the molding sand from breaking away from in the agitator disk when the stirring, and the molding sand that has stirred is transported and is carried out next process from going out hopper department.

The present invention may be further configured in a preferred embodiment as: the driving part is used for changing the closed state of the discharge hopper and comprises a second motor, a first bevel gear, a second bevel gear, a third bevel gear, two threaded rods and two sliding blocks, the second motor is fixedly connected to the side wall of the discharge hopper, an output shaft of the second motor is connected with the first bevel gear, a fixing block is arranged on the frame, the two threaded rods are rotatably connected to the fixing block, the second bevel gear and the third bevel gear are respectively and fixedly connected to the corresponding threaded rods, the second bevel gear and the third bevel gear are both in a meshing state with the first bevel gear, and the two sliding blocks are respectively connected to the corresponding threaded rods in a sliding mode.

Through adopting above-mentioned technical scheme, when needs outwards transport the molding sand in the agitator disk from a hopper, start the second motor, the output shaft of second motor drives first bevel gear and takes place to rotate, first bevel gear drives rather than being the engaged second bevel gear, the rotation takes place for the third bevel gear, second bevel gear and third bevel gear drive the threaded rod that corresponds respectively and take place to rotate, and then make the slider take place the displacement on the threaded rod, and then make a hopper bottom be the open mode, and then make the molding sand that stirs in the agitator disk can follow a hopper and transport.

The present invention may be further configured in a preferred embodiment as: the end surfaces of the two sliding blocks are in a mutually matched ladder shape.

Through adopting above-mentioned technical scheme, after two slider end face contacts and closed play hopper bottom, the slider end face is the setting of echelonment, compares in that two slider end faces are smooth rectangle, has increased the molding sand and has taken place to reveal the required distance of passing through in a hopper department, has reduced the molding sand to a certain extent and has taken place the volume of revealing after a hopper bottom seals.

The present invention may be further configured in a preferred embodiment as: the conveying device comprises a conveying hose, a conveying shaft and a third motor, the conveying hose is connected below the discharge hopper, the third motor is fixedly connected to the rack, the conveying shaft is installed in the conveying hose, a spiral sheet is spirally arranged outside the conveying shaft, and a universal shaft is arranged between the third motor and the conveying shaft.

Through adopting above-mentioned technical scheme, when the molding sand that has stirred is transported to needs, start the third motor, the third motor drives carries the axle to take place to rotate, and the molding sand takes place to move in carrying the hose, carries the axle to drive the flight above that and takes place to rotate, and then drives the molding sand and takes place to move in carrying the hose, avoids the molding sand to take place the condition of blockking up in carrying the hose.

The present invention may be further configured in a preferred embodiment as: the driving device comprises a base and an air cylinder, the base is detachably connected to the bottom end of the rack, the air cylinder is fixedly connected to the bottom end of the base, and a piston rod of the air cylinder is connected with the mounting table.

Through adopting above-mentioned technical scheme, when needs carry out compaction work with core box interior moulding sand, drive actuating cylinder, the piston rod of cylinder promotes the mount table and carries out reciprocating motion in vertical direction, and then makes the moulding sand in the core box play the compaction effect to the moulding sand because continuous downstream under the action of gravity.

The present invention may be further configured in a preferred embodiment as: a plurality of damping springs are arranged on the rack, and two ends of each damping spring are respectively abutted to the bottom surface of the mounting table and the end surface of the top end of the base.

Through adopting above-mentioned technical scheme, when the mount table during at the ascending reciprocating motion of vertical direction, damping spring's setting plays the cushioning effect to the mount table, avoids the mount table to strike the base when the downstream and produce the damage to equipment.

The present invention may be further configured in a preferred embodiment as: the mounting table is provided with a fixing part for locking the position of the core box, the fixing part comprises a mounting seat and a locking bolt, the mounting seat penetrates through a threaded hole in the length direction of the mounting table, the locking bolt is in threaded connection with the mounting seat, the end face of the top end of the mounting table is inwards provided with a limiting groove matched with the core box, and two opposite side faces of the core box are provided with limiting holes matched with the locking bolt.

Through adopting above-mentioned technical scheme, when needs carry out fixed work to the core box, at first get into the spacing inslot on the mount table with the core box joint, then get into the spacing downthehole on the core box lateral wall with the locking bolt butt, and then play the limiting displacement to the core box, avoid the core box to take place the skew when carrying out molding sand compaction work.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the stirring device, the conveying device and the driving device, the integrated production of the process for producing the sand mold can be realized through equipment, and the efficiency for producing the sand mold is improved;

2. through the setting of carrying axle and flight for the molding sand reduces the probability that takes place to block up when carrying in the hose.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present embodiment;

FIG. 2 is a schematic view of a partial explosion at the stirring device of FIG. 1, showing the structure inside the stirring disk;

FIG. 3 is a schematic view of a partial explosion at the driver illustrating the transmission configuration of the driver;

FIG. 4 is a schematic view of the conveyor apparatus in partial section in the vertical direction, showing the structure inside the conveying hose;

fig. 5 is a schematic view of a partial explosion structure at a core box.

In the figure, 100, a rack; 110. a column; 120. a stirring device; 121. a stirring plate; 122. stirring blades; 130. a top cover; 140. a sector-shaped notch; 150. a first motor; 160. a discharge hopper; 170. a discharge port; 180. a drive member; 181. a second motor; 182. a first bevel gear; 183. a second bevel gear; 184. a third bevel gear; 185. a threaded rod; 186. a slider; 190. mounting blocks; 200. a fixed block; 210. a conveying device; 211. a delivery hose; 212. a delivery shaft; 213. a third motor; 220. a gasket; 230. a first mounting block; 240. a spiral sheet; 250. an installation table; 260. a base; 270. a cylinder; 280. a damping spring; 290. a core box; 300. a fixing member; 310. a mounting seat; 320. locking the bolt; 330. a limiting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, in order to disclose an injection molding system of the present invention, the injection molding system includes a frame 100, the frame 100 is provided with four columns 110 in a vertical direction, and a stirring device 120 for mixing and stirring is installed at a top end of the frame 100.

The stirring device 120 comprises a stirring disc 121 and stirring blades 122, the stirring disc 121 is fixedly connected with the four upright posts 110, the top end of the stirring disc 121 is in an open state and is connected with a top cover 130 through bolts, a fan-shaped notch 140 used for applying raw materials such as molding sand is formed in the top cover 130 along the circumferential direction, a first motor 150 is fixedly connected to the center of the top cover 130, and an output shaft of the first motor 150 penetrates through the top cover 130 and extends into the stirring disc 121; the stirring blade 122 is located in the stirring plate 121 and coaxially connected to the output shaft of the first motor 150, and the stirring blade 122 is inclined and forms an included angle with the horizontal plane.

The bottom end of the stirring plate 121 is in an open state and is integrally formed with a discharge hopper 160, a discharge port 170 is formed at the bottom of the discharge hopper 160, and four side walls of the discharge hopper 160 are inclined toward the discharge port 170.

Referring to fig. 2 and 3, a driving member 180 for changing the opening and closing state of the discharge port 170 is disposed on the column 110, the driving member 180 includes a second motor 181, a first bevel gear 182, a second bevel gear 183, a third bevel gear 184, two threaded rods 185 and two sliding blocks 186, a mounting block 190 is fixedly connected to a side wall of the discharge hopper 160 along the vertical direction, the second motor 181 is fixedly connected to the mounting block 190, and an output shaft of the second motor 181 passes through the mounting block 190 and is coaxially connected to the first bevel gear 182. The two upright posts 110 close to the second motor 181 are fixedly connected with fixing blocks 200, the two threaded rods 185 are arranged in the same thread, the two threaded rods 185 are respectively and rotatably connected to the corresponding fixing blocks 200, threaded holes matched with the threaded rods 185 are formed in the two sliding blocks 186 in a penetrating mode along the horizontal direction, the two sliding blocks 186 are respectively and threadedly connected to the corresponding threaded rods 185, and the end faces, contacted when the two sliding blocks 186 are closed, are in a mutually matched step shape. The second bevel gear 183 and the third bevel gear 184 are fixedly connected to the threaded rods 185 in a one-to-one correspondence, and both the second bevel gear 183 and the third bevel gear 184 are in a meshed state with the first bevel gear 182.

Referring to fig. 3 and 4, a delivery device 210 for delivering the stirred molding sand is disposed at the discharge port 170, the delivery device 210 includes a delivery hose 211, a delivery shaft 212, and a third motor 213, a gasket 220 is disposed at an end of the delivery hose 211, and the delivery hose 211 is connected to the bottom surface of the discharge hopper 160 by a bolt. The opposite side of the side wall of the discharge hopper 160 fixedly connected with the mounting block 190 is fixedly connected with a first mounting block 230 along the vertical direction, a third motor 213 is fixedly connected on the first mounting block 230, the conveying shaft 212 is installed in the conveying hose 211, the conveying shaft 212 is a flexible shaft, the third motor 213 is connected with the conveying shaft 212 through a universal shaft, and a spiral sheet 240 is spirally arranged outside the conveying shaft 212.

Referring to fig. 1, the bottom end of the rack 100 is connected with a mounting table 250 in a sliding manner along the vertical direction, through holes matched with the four upright posts 110 are formed in the mounting table 250, and a driving device for pushing the mounting table 250 to slide back and forth along the vertical direction is arranged on the rack 100.

Drive arrangement includes base 260 and cylinder 270, base 260 be located mount table 250 below and with four stand 110 fixed connection, cylinder 270 fixed connection is at the bottom end terminal surface of base 260, the piston rod of cylinder 270 pass base 260 and with mount table 250 bottom fixed connection, be provided with four damping spring 280 on the base 260, each damping spring 280 overlaps respectively outside each stand 110, damping spring 280's both ends are supported tight mount table 250 bottom surface and base 260 top end terminal surface respectively.

Referring to fig. 5, a core box 290 is detachably connected to the mounting table 250, a fixing member 300 for locking the position of the core box 290 is disposed on the mounting table 250, the fixing member 300 includes two mounting seats 310 and two locking bolts 320, the mounting seats 310 are spaced apart from each other along the direction of the mounting table 250, the mounting seats 310 are provided with threaded holes along the length direction of the mounting table 250, and the locking bolts 320 are connected to the mounting seats 310 through threads. The mounting table 250 is provided with a limiting groove 330 matched with the core box 290 towards the mounting table 250 in the area between the two mounting seats 310, and two opposite side surfaces of the core box 290 are provided with limiting holes matched with the locking bolts 320. The top end of the core box 290 is provided with a feeding hole and is connected with a conveying hose 211 (see fig. 4).

The implementation principle of the embodiment is as follows:

when the manufacturing work of the sand mold is needed, firstly, the molding sand and other raw materials are added into the stirring disc 121 from the fan-shaped notch 140, then the first motor 150 is started, the stirring shaft is driven by the first motor 150 to rotate, and further, the molding sand and other raw materials are fully mixed and stirred; after mixing, start second motor 181, the output shaft of second motor 181 drives first bevel gear 182 and takes place to rotate, first bevel gear 182 drives rather than being the second bevel gear 183 of meshing, third bevel gear 184 takes place to rotate, second bevel gear 183 and third bevel gear 184 drive corresponding threaded rod 185 respectively and take place to rotate, and then slider 186 takes place the displacement on threaded rod 185, make out hopper 160 bottom be open mode, the good molding sand of stirring in agitator disk 121 transports through delivery hose 211 from a hopper 160 department.

The third motor 213 is started, the third motor 213 drives the conveying shaft 212 to rotate, the molding sand moves in the conveying hose 211, the conveying shaft 212 drives the spiral piece 240 on the conveying shaft to rotate, the molding sand is driven to move in the conveying hose 211, the condition that the molding sand is blocked in the conveying hose 211 is avoided, and finally the molding sand moves to the core box 290.

Drive actuating cylinder 270, the piston rod of actuating cylinder 270 promotes mount table 250 and carries out reciprocating motion on vertical direction, and then makes the molding sand in the core box 290 constantly move downwards because of the action of gravity, plays the compaction effect to the molding sand, and then accomplishes the manufacturing work to the sand mould.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An injection molding system, characterized by: including frame (100), the top of frame (100) is provided with agitating unit (120) that are used for mixing the stirring, the bottom of frame (100) is slided along vertical direction and is connected with mount table (250), can dismantle on mount table (250) and be connected with core box (290), mount table (250) department is provided with and is used for promoting mount table (250) take place the drive arrangement who reciprocates to slide along vertical direction, agitating unit (120) with be provided with conveyor (210) that are used for carrying the molding sand between core box (290).

2. An injection molding system according to claim 1, wherein: agitating unit (120) include agitator disk (121) and stirring leaf (122), agitator disk (121) can be dismantled and connect frame (100) top, there is top cap (130) top end face of agitator disk (121) through bolted connection, offer fan-shaped breach (140) that are used for the material loading on top cap (130), install first motor (150) on top cap (130), the output shaft of first motor (150) with stirring leaf (122) coaxial coupling, stirring leaf (122) are the tilt state, agitator disk (121) below is provided with out hopper (160).

3. An injection molding system according to claim 2, wherein: the frame (100) is provided with a driving part (180) for changing the closing state of the discharging hopper (160), the driving part (180) comprises a second motor (181), a first bevel gear (182), a second bevel gear (183), a third bevel gear (184), two threaded rods (185) and two sliding blocks (186), the second motor (181) is fixedly connected to the side wall of the discharging hopper (160), the output shaft of the second motor (181) is connected with the first bevel gear (182), the frame (100) is provided with a fixed block (200), the two threaded rods (185) are rotatably connected to the fixed block (200), the second bevel gear (183) and the third bevel gear (184) are respectively and fixedly connected to the corresponding threaded rods (185), and the second bevel gear (183) and the third bevel gear (184) are both in a meshing state with the first bevel gear (182), the two sliding blocks (186) are respectively connected on the corresponding threaded rods (185) in a sliding manner.

4. An injection molding system according to claim 3, wherein: the contact end surfaces of the two sliding blocks (186) are in mutually matched step shapes.

5. An injection molding system according to claim 2, wherein: the conveying device (210) comprises a conveying hose (211), a conveying shaft (212) and a third motor (213), the conveying hose (211) is connected below the discharge hopper (160), the third motor (213) is fixedly connected to the rack (100), the conveying shaft (212) is installed in the conveying hose (211), a spiral sheet (240) is spirally arranged outside the conveying shaft (212), and a universal shaft is arranged between the third motor (213) and the conveying shaft (212).

6. An injection molding system according to claim 1, wherein: the driving device comprises a base (260) and an air cylinder (270), the base (260) is detachably connected to the bottom end of the rack (100), the air cylinder (270) is fixedly connected to the bottom end of the base (260), and a piston rod of the air cylinder (270) is connected with the mounting table (250).

7. An injection molding system according to claim 6, wherein: the shock absorbing device is characterized in that a plurality of shock absorbing springs (280) are arranged on the rack (100), and two ends of each shock absorbing spring (280) are respectively abutted to the bottom surface of the mounting table (250) and the end surface of the top end of the base (260).

8. An injection molding system according to claim 1, wherein: the mounting table (250) is provided with a fixing piece (300) used for locking the position of the core box (290), the fixing piece (300) comprises a mounting seat (310) and a locking bolt (320), the mounting seat (310) penetrates through a threaded hole along the length direction of the mounting table (250), the locking bolt (320) is in threaded connection with the mounting seat (310), the end face of the top end of the mounting table (250) is inwards provided with a limiting groove (330) matched with the core box (290), and two opposite side faces of the core box (290) are provided with limiting holes matched with the locking bolt (320).