Automatic centrifugal device for bimetallic charging barrel of extra-heavy injection molding machine

Abstract

The utility model discloses an automatic centrifugal device for a bimetallic charging barrel of an extra-heavy injection molding machine, which comprises a rack, a centrifugal mechanism, a roller way, a centrifugal side pushing mechanism, a roller way side pushing mechanism, a centrifugal machine cooling mechanism and a controller, and the centrifugal mechanism and the roller way are arranged on the rack in tandem; the centrifugal mechanism comprises two centrifugal rollers which are arranged in parallel front and back; photoelectric position detection switches are respectively arranged at the feeding end and the discharging end of the roller way; an ejector rod is arranged between the two centrifugal rollers in a lifting manner; the centrifugal side pushing mechanism is arranged on the front side of the centrifugal roller; the roller bed side pushing mechanism is arranged on the rear side of the roller bed. The roller way of the automatic centrifugal device is directly connected with the charging barrel induction heating hearth, the charging barrel directly enters the roller way of the centrifugal machine after induction heating is completed, hoisting and transferring are not needed, and the temperature loss of the surface of the charging barrel is small; the centrifugal efficiency is high and the qualified rate of the charging barrel is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic centrifugal device of super heavy injection molding machine bimetallic cylinder. BACKGROUND

[0002] Generally, the small diameter (diameter less than 200mm) bimetallic cylinder is heated by gas furnace or resistance furnace, not only the heating time is long, generally needs more than one or two hours, but also the oxide skin is much during the heating process, the workshop temperature is high and the workshop dust is relatively serious. And after the heating is completed, the cylinder needs to be manually lifted and transported to the centrifuge by the crane, because the blank temperature is as high as 1100 degrees Celsius, so the manual lifting and transportation takes a long time, when the cylinder starts to centrifuge, the surface temperature of the cylinder drops a lot, which causes adverse effects on the subsequent centrifugal process! The working environment of workers is relatively poor, the yield is not high, and the good product rate depends on the level of the operator to a great extent. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of prior art, and provides an automatic centrifugal device of super heavy injection molding machine bimetallic cylinder, which is directly connected with the cylinder induction heating furnace, directly enters the centrifuge roller after the cylinder induction heating is completed, does not need to be lifted and transported, the intermediate interval time is less than one minute, the surface temperature loss of the cylinder is less, the centrifugal efficiency is high, and the cylinder qualified rate is high.

[0004] One technical scheme for realizing the above-mentioned purpose is as follows: an automatic centrifugal device of super heavy injection molding machine bimetallic cylinder, comprising a rack, a centrifugal mechanism, a roller, a centrifugal side material pushing mechanism, a roller side material pushing mechanism, a centrifuge cooling mechanism and a controller, wherein:

[0005] The centrifugal mechanism and the roller are arranged in front of and behind the rack, and the roller is driven by a roller motor;

[0006] The centrifugal mechanism comprises two centrifugal rollers arranged in front of and behind and parallel to each other, and the two centrifugal rollers are driven by a centrifugal roller driving motor;

[0007] The feeding end and the discharging end of the roller are respectively provided with photoelectric position detection switches;

[0008] A jack is arranged between the two centrifugal rollers in a lifting manner, and the jack is driven by a jack lifting motor;

[0009] The centrifugal side material pushing mechanism is arranged on the front side of the centrifugal roller;

[0010] The roller side material pushing mechanism is arranged on the rear side of the roller;

[0011] The centrifuge cooling mechanism is arranged on the rack;

[0012] The roller motor, centrifugal roller driving motor, photoelectric position detection switch, ejector rod lifting motor, centrifugal side pushing mechanism, roller side pushing mechanism and centrifugal machine cooling mechanism are in communication with the controller.

[0013] The automatic centrifugal device for the double-metal barrel of the super-heavy injection molding machine further comprises a centrifugal side pushing mechanism and a roller side pushing mechanism.

[0014] The pushing front end plates of the centrifugal side pushing mechanism and the roller side pushing mechanism are oppositely arranged.

[0015] The speed reducers of the centrifugal side pushing mechanism and the roller side pushing mechanism are in communication with the controller.

[0016] The automatic centrifugal device for the double-metal barrel of the super-heavy injection molding machine further comprises that the feeding end of the roller is connected with the barrel induction heating furnace.

[0017] The utility model discloses further disclose a centrifugal method of automatic centrifugal device for double-metal barrel of super-heavy injection molding machine, comprising the following steps:

[0018] S1, debugging step: before the barrel formal centrifugal, first put the unheated barrel of processing in the roller, adjust photoelectric position detection switch, ensure that photoelectric position detection switch accurately detects the barrel in the correct position of roller, adjust the centrifugal side material receiving position, pushing position and original position of centrifugal side pushing mechanism, adjust the roller side pushing position, material receiving position and original position of roller side pushing mechanism, then test once with unheated barrel full automation, ensure that the barrel is in the correct position.

[0019] S2, centrifugal process step: when starting production, the barrel with the temperature of 1100 degrees Celsius is sent out from the induction heating furnace, and then is detected by the photoelectric position detection switch to stop at the correct position of the roller, and the photoelectric position detection switch feeds back information to the controller, and the controller controls the ejector rod lifting motor to drive the ejector rod to lift up according to the feedback information of the photoelectric position detection switch, and controls the centrifugal side pushing mechanism to reach the centrifugal side material receiving position, and then controls the roller side pushing mechanism to push the barrel to move to the roller side pushing position, and the barrel contacts the pushing front end plate of the centrifugal side pushing mechanism due to gravity, and the centrifugal side pushing mechanism slowly retreats to ensure that the barrel slowly contacts the ejector rod, and then the centrifugal side pushing mechanism retreats to the centrifugal side original position, the controller controls the ejector rod lifting motor to drive the ejector rod to fall to the original position, the barrel contacts the two centrifugal rollers, and then the controller controls the centrifugal driving motor to drive the two centrifugal rollers to rotate at high speed to centrifuge.

[0020] S3, discharging step: after the centrifugation process is completed, the controller controls the lifting motor of the ejector rod to drive the ejector rod to lift the barrel together, the controller controls the roller side pushing mechanism to advance to the roller side receiving position, the centrifugal side pushing mechanism slowly pushes forward to contact the barrel and then pushes the barrel together to advance to the centrifugal side pushing position, the barrel contacts the pushing front end plate of the roller side pushing mechanism due to gravity, and then the roller side pushing mechanism slowly retreats until the barrel is stably stopped on the roller, at this time, the controller controls the ejector rod, the roller side pushing mechanism and the centrifugal side pushing mechanism to retreat to the original position respectively, the controller controls the roller motor to start to drive the centrifuged barrel to forwardly convey to the subsequent holding furnace roller, and after the centrifuged barrel is completely conveyed out, the roller motor stops, and the next barrel is conveyed out by the induction heating furnace.

[0021] The centrifuge cooling mechanism cools the whole device during the working process of the automatic centrifuge device.

[0022] The technical scheme of the automatic centrifuge device for the super heavy injection molding machine double-metal barrel of the utility model mainly aims at centrifugal casting of the injection molding machine double-metal barrel with a diameter of 230mm to 460mm, the maximum centrifugal injection molding machine barrel weight can reach 6 tons, and the maximum length can reach 6 meters. The barrel induction heating furnace is directly connected with the barrel, the barrel directly enters the centrifuge roller after induction heating is completed, without hoisting and transferring, the intermediate interval time is less than one minute, the barrel surface loss temperature is less, the centrifugal efficiency is high, the barrel internal metal layer thickness is uniform after slice detection after batch production of the barrel, and the qualified rate is high. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural diagram of the automatic centrifuge device for the super heavy injection molding machine double-metal barrel of the utility model;

[0024] Figure 2 It is an electrical schematic diagram of the automatic centrifuge device for the super heavy injection molding machine double-metal barrel of the utility model;

[0025] Figure 3 The barrel is conveyed to the roller;

[0026] Figure 4 The barrel is pushed to the centrifugal position;

[0027] Figure 5 The barrel is lowered to contact two centrifugal rollers;

[0028] Figure 6 The barrel is retreated after the centrifugal process is completed;

[0029] Figure 7 The barrel is retreated to the roller after centrifugation;

[0030] Figure 8To complete the barrel along the roller out of the centrifuge. DETAILED DESCRIPTION

[0031] In order to make the person skilled in the art better understand the technical scheme of the utility model, the specific embodiments thereof will be described in detail below with reference to the drawings:

[0032] Please refer to Figure 1 And Figure 2 The embodiment of the utility model discloses an automatic centrifugal device of double-metal barrel of super-heavy injection molding machine, which comprises a rack 8, a centrifugal mechanism, a roller 2, a centrifugal side pushing mechanism 4, a roller side pushing mechanism 5, a centrifugal machine cooling mechanism 9 and a controller 11.

[0033] The centrifugal mechanism and the roller 2 are arranged in front of and behind the rack 8, and the roller 2 is driven by a roller motor 21; the centrifugal mechanism comprises two centrifugal rollers 3 arranged in parallel in front of and behind each other, and the two centrifugal rollers 3 are driven by a centrifugal roller driving motor 31; the feeding end and the discharging end of the roller 2 are respectively provided with photoelectric position detection switches 1; a lifting rod 6 is arranged between the two centrifugal rollers 3 in a lifting manner, and the lifting rod 6 is driven by a lifting rod lifting motor 61; the centrifugal side pushing mechanism 4 is arranged on the front side of the centrifugal roller 3; the roller side pushing mechanism 5 is arranged on the rear side of the roller 2; the centrifugal machine cooling mechanism 9 is arranged on the rack 8 and is used for providing water cooling for the rack.

[0034] The centrifugal side pushing mechanism 4 and the roller side pushing mechanism 5 are the same in structure and both comprise a pushing mechanism rack 41, a speed reducer 42, a pushing-out rack and a pushing front end plate 43 which are used in cooperation with a power gear, the speed reducer 42 and the pushing-out rack are both arranged on the pushing mechanism rack 41, the speed reducer 42 drives the power gear to rotate, the pushing front end plate 43 is arranged at the end of the pushing-out rack, and the power gear drives the pushing-out rack to move forward and backward when rotating, thereby driving the pushing front end plate 43 to move forward and backward.

[0035] The pushing front end plates 43 of the centrifugal side pushing mechanism 4 and the roller side pushing mechanism 5 are arranged oppositely.

[0036] The roller motor 21, the centrifugal roller driving motor 31, the photoelectric position detection switches 1, the lifting rod lifting motor 61, the speed reducer 43 of the centrifugal side pushing mechanism 4, the speed reducer of the roller side pushing mechanism 5 and the centrifugal machine cooling mechanism 9 are in communication with the controller 11 respectively.

[0037] The feeding end of the roller 2 is connected with a barrel inductive heating furnace, and the discharging end is connected with a roller of a holding furnace.

[0038] Please refer to Figures 3 to 8 The centrifugal method of the automatic centrifugal device of double-metal barrel of super-heavy injection molding machine adopts the utility model and comprises the following steps:

[0039] S1, debugging step: before the official centrifuge of the barrel 7, first put the unheated barrel to be processed on the roller 2, adjust the photoelectric position detection switch 2 to ensure that the photoelectric position detection switch 2 accurately detects the correct position of the barrel on the roller, adjust the centrifugal side feeding mechanism 4 of the centrifugal side feeding position, pushing position and original position, adjust the roller side pushing mechanism 5 of the roller side pushing position, feeding position and original position, and then test it once with unheated barrel full automatic, ensure that the barrel is in the correct position;

[0040] S2, centrifugal process step: when starting production, the barrel 7 with a temperature of 1100 degrees Celsius is sent out from the induction heating furnace, and after advancing to the roller 2 (see Figure 3 ), the photoelectric position detection switch 1 detects that the barrel stops at the correct position of the roller, and the photoelectric position detection switch 1 feeds back information to the controller 11, and the controller 11 controls the lifting motor 61 of the ejector rod to drive the ejector rod 6 to lift up, and controls the centrifugal side pushing mechanism 4 to reach the centrifugal side feeding position, then the controller 11 controls the roller side pushing mechanism 5 to push the barrel forward to the roller side pushing position, the barrel 7 contacts the front end plate of the centrifugal side pushing mechanism due to gravity (see Figure 4 ), the centrifugal side pushing mechanism 4 slowly retreats to ensure that the barrel 7 slowly contacts the ejector rod 6, then the centrifugal side pushing mechanism 4 retreats to the centrifugal side original position, the controller 2 controls the lifting motor 61 of the ejector rod to drive the ejector rod 6 to fall to its original position, and the barrel 7 contacts the two centrifugal rollers 3 (see Figure 5 ), then the controller 11 controls the centrifugal drive motor 31 to drive the two centrifugal rollers 3 to rotate at high speed for centrifugation;

[0041] S3, discharging step: after the centrifugal process is completed, the controller 11 controls the lifting motor 61 of the ejector rod 6 to drive the barrel 2 to lift up together, the controller 11 controls the roller side pushing mechanism 5 to advance to the roller side feeding position, the centrifugal side pushing mechanism 4 slowly pushes forward and contacts the barrel 7 to push the barrel together to the centrifugal side pushing position (see Figure 6 ), the barrel 2 contacts the front end plate of the roller side pushing mechanism 5 due to gravity (see Figure 7 ), then the roller side pushing mechanism 5 slowly retreats until the barrel 2 stops stably on the roller 2 (see Figure 8 ), at this time, the controller 11 controls the ejector rod 6, the roller side pushing mechanism 5 and the centrifugal side pushing mechanism 4 to retreat to their original positions respectively, the controller 11 controls the roller motor 21 to start, drives the centrifuged barrel 2 to forward to the subsequent holding furnace roller, and after the centrifuged barrel is completely sent out, the roller motor 21 stops, waiting for the induction heating furnace to send out the next barrel.

[0042] During the whole working process of the automatic centrifugal device, the centrifuge cooling mechanism 9 cools the whole device to prevent the high temperature of the barrel from affecting the stability of the key parts of the equipment.

[0043] The automatic centrifugal device of the super heavy injection molding machine double metal barrel of the utility model, the maximum processable length reaches 6 meters, the weight reaches 6 tons of the super heavy injection molding machine double metal barrel, no longer needs a large amount of manual hoisting under the conventional heating mode, transfer, unloading process, realizes the super heavy injection molding machine double metal barrel full-automatic centrifugal process, the centrifugal roller speed of the freely adjustable centrifugal roller speed ensures that the melted metal in the barrel is uniformly distributed along the barrel length direction, effectively solves the problems of large impact, radiation heat isolation and protection of the super heavy injection molding machine double metal barrel during high-speed centrifugation, automatic flow of the barrel oxide skin, roller cooling and the like, and realizes full automation of the super heavy injection molding machine double metal barrel centrifugal process.

[0044] The torque provided by the centrifugal drive motor 31 is determined by the moment of inertia of the barrel 7 and the centrifugal roller, and the maximum speed is determined by the customer's process requirements.

[0045] The centrifuge cooling mechanism 9 is used for cooling the whole device, so that the working temperature of the key parts of the device, such as the rack, the centrifugal roller body, the bearing seat on both sides of the centrifugal roller, is not greater than 100 degrees Celsius, and is not deformed by heat.

[0046] The automatic centrifugal device of the super heavy injection molding machine double metal barrel of the utility model, for different diameter injection molding machine barrels, the device itself is equipped with photoelectric position detection switches, and for the same diameter blank, only the feeding position, the centrifugal side pushing position and the roller way side pushing position need to be calibrated once. In actual use, the corresponding formula can be selected in the operation table touch screen program of the subsequent equipment, so that the automatic centrifugation of injection molding machine barrels of different diameters and lengths can be realized. The device can adapt to the centrifugal process of various different specifications of barrels within the specification range, realize automatic control to a greater extent, and save labor input; the device is easy to adjust and more suitable for different process double metal barrel production lines.

[0047] In summary, the automatic centrifugal device of the super heavy injection molding machine double metal barrel of the utility model is directly connected with the barrel induction heating furnace, directly enters the centrifuge roller after the barrel induction heating is completed, does not need to be hoisted and transferred, the intermediate interval time is less than one minute, the barrel surface loss temperature is less; the centrifugal efficiency is high, and the barrel qualified rate is high.

[0048] Those skilled in the art in this technical field should realize that the above embodiments are only used to illustrate the utility model, and are not used as a limitation on the utility model, as long as the changes and modifications of the above described embodiments are within the scope of the utility model, they will fall within the scope of the claims of the utility model.

Claims

1. An automatic centrifugal device for a bimetallic barrel of an ultra-heavy-duty injection molding machine, characterized in that, It includes a frame, centrifugal mechanism, roller conveyor, centrifugal-side pushing mechanism, roller conveyor-side pushing mechanism, centrifuge cooling mechanism, and controller, wherein: The centrifugal mechanism and the roller conveyor are arranged one in front of the other on the frame, and the roller conveyor is driven by a roller conveyor motor; The centrifugal mechanism includes two centrifugal rollers arranged in parallel one behind the other, and the two centrifugal rollers are driven by a centrifugal roller drive motor. The feed end and discharge end of the roller conveyor are respectively equipped with photoelectric position detection switches; A top rod is provided between the two centrifugal rollers in a height-adjustable manner, and the top rod is driven by a top rod lifting motor; The centrifugal side pushing mechanism is located on the front side of the centrifugal roller; The roller conveyor side pushing mechanism is located on the rear side of the roller conveyor; The centrifuge cooling mechanism is mounted on the frame; The roller conveyor motor, centrifugal roller drive motor, photoelectric position detection switch, top rod lifting motor, centrifugal side pushing mechanism, roller conveyor side pushing mechanism, and centrifuge cooling mechanism communicate with the controller.

2. The automatic centrifugal device for a bimetallic barrel of a heavy-duty injection molding machine as described in claim 1, characterized in that, The centrifugal side pushing mechanism and the roller conveyor side pushing mechanism have the same structure, both including a pushing frame, a reducer, a power gear and a pushing rack that work together with the power gear, and a pushing front plate. The reducer and the pushing rack are both mounted on the pushing frame. The reducer drives the power gear to rotate, and the pushing front plate is located at the end of the pushing rack. The front end plates of the centrifugal side pushing mechanism and the roller side pushing mechanism are arranged opposite to each other; The reducers of the centrifugal side pushing mechanism and the roller side pushing mechanism communicate with the controller.

3. The automatic centrifugal device for a bimetallic barrel of a heavy-duty injection molding machine as described in claim 1, characterized in that, The feed end of the roller conveyor is connected to the induction heating furnace chamber of the material cylinder.

Images