CN111761520A

CN111761520A - Injection molding polishing equipment

Info

Publication number: CN111761520A
Application number: CN202010502277.XA
Authority: CN
Inventors: 万大朋
Original assignee: Wuhan Xinzhou Delta Plastic Products Co ltd
Current assignee: Wuhan Xinzhou Delta Plastic Products Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-10-13

Abstract

The invention discloses injection molding and polishing equipment which comprises a base, a bearing box and a propelling box, wherein the upper end of the base is connected with a motor through a plurality of buffer springs, the side walls of the upper end and the lower end of the bearing box are respectively provided with a mounting groove in a penetrating manner, the inner bottom of the propelling box is provided with a backflow hole in a penetrating manner, the inner walls of the mounting groove and the backflow hole are respectively fixed with a buffer ring, a collecting pipe penetrating through the mounting groove and the backflow hole is fixed on an output shaft of the motor, and the collecting pipe is rotatably connected with the inner walls of the plurality of buffer rings. Has the advantages that: according to the invention, the motor drives the collecting pipe to rotate, so that the pushing plate rotates along with the collecting pipe, and further, the liquid in the bearing box flows towards the edge of the bearing box at an accelerated speed, so that impact is formed on the workpiece in the bearing box, the workpiece is polished after being contacted with abrasive, the workpiece is immersed in the liquid and can be fully contacted with the abrasive in the liquid, and the polishing effect is greatly improved.

Description

Injection molding polishing equipment

Technical Field

The invention relates to the technical field of injection molding and polishing, in particular to injection molding and polishing equipment.

Background

In the production process of an injection mold, in order to increase the brightness and the aesthetic degree of the plastic mold and enable the mold to be easily demoulded, an injection molding part is generally required to be polished by various methods, such as mechanical polishing, chemical polishing, fluid polishing and the like;

at present, in the conventional fluid polishing process, the abrasive is often insufficiently contacted with a workpiece, so that the polishing effect is poor, or the abrasive is not used after being impacted once and needs to be collected and reused, so that inconvenience is caused, and in the conventional fluid polishing process, the impact mode is single, and the overall polishing efficiency is low.

Disclosure of Invention

The invention aims to solve the problem of poor polishing effect of an injection molding part in the prior art, and provides injection molding polishing equipment.

In order to achieve the purpose, the invention adopts the following technical scheme: an injection molding and polishing device comprises a base, a bearing box and a propelling box, wherein the upper end of the base is connected with a motor through a plurality of buffer springs, the upper end and the lower end side wall of the bearing box are respectively provided with a through mounting groove, the inner bottom of the propelling box is provided with a through hole, the inner walls of the mounting groove and the through hole are respectively fixed with a buffer ring, an output shaft of the motor is fixed with a collecting pipe which is provided with the through mounting groove and the through hole, the collecting pipe is rotatably connected with the inner walls of the plurality of buffer rings, the side wall of the bearing box is fixed with a sealing plate through bolts, the bottom of the bearing box is inserted with a drain pipe in a penetrating way, the side wall of the bearing box is inserted with a plurality of corrugated pipes which are communicated with the inside of the propelling box in a penetrating way, the inner wall of the propelling box is provided with two symmetrically arranged propelling grooves in a penetrating way, and the inner bottom, the side wall of the motor output shaft is fixed with an eccentric plate, and the side wall of the collecting pipe is provided with a plurality of drainage holes in a penetrating mode.

In the injection molding and polishing equipment, the two push blocks are in sealing sliding connection with the inner wall of the push box, and the inner walls of the bellows are fixed with the one-way valves.

In the injection molding and polishing equipment, a plurality of pushing plates are fixed on the circumferential outer wall of the collecting pipe, the collecting pipe is rotatably connected with the inner walls of the plurality of buffer rings through waterproof bearings, and the eccentric plate is eccentrically arranged with the output shaft of the motor.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the motor drives the collecting pipe to rotate, so that the pushing plate rotates along with the collecting pipe, and further, liquid in the bearing box flows towards the edge of the bearing box at an accelerated speed, so that impact is formed on a workpiece in the bearing box, the workpiece is polished after being contacted with abrasive, the workpiece is immersed in the liquid and can be fully contacted with the abrasive in the liquid, and the polishing effect is greatly improved;

2. according to the polishing device, the eccentric plate eccentrically rotates along with the eccentric plate under the driving of the motor, so that the motor and the collecting pipe vibrate, the bearing box continuously vibrates, liquid and abrasive in the bearing box irregularly impact the edge of the bearing box, workpieces in the bearing box are in mixed contact with the abrasive more sufficiently, the impact between the workpieces and the abrasive is strengthened, and the workpieces are fully polished;

3. according to the invention, the eccentric plate is intermittently contacted with the push block and drives the push block to move upwards, so that the push block performs reciprocating motion in the vertical direction under the combined action of the eccentric plate and the return spring, and thus liquid entering the pushing box from the corrugated pipe moves upwards under the pushing action of the push block, then enters the collecting pipe and finally enters the bearing box again, so that the polishing liquid and the abrasive are recycled, and the waste of materials and the collection of manpower are reduced;

4. in the invention, the liquid and the abrasive entering the collecting pipe are sprayed out from the drain hole at a higher speed under the action of centrifugal force generated by rotation of the collecting pipe, so that the abrasive moves to the edge of the bearing plate at a higher speed and generates larger impact with a workpiece, and the workpiece is polished more quickly.

Drawings

FIG. 1 is a schematic structural diagram of an injection molding and polishing apparatus according to the present invention;

FIG. 2 is a side sectional view of an injection molding and polishing apparatus according to the present invention;

fig. 3 is a side view of a push block in an injection molding polishing apparatus according to the present invention.

In the figure: the device comprises a base 1, a bearing box 2, a propelling box 3, a buffer spring 4, a motor 5, a mounting groove 6, a buffer ring 7, a collecting pipe 8, a water discharging hole 9, a propelling plate 10, a reflux hole 11, a corrugated pipe 12, a propelling groove 13, a return spring 14, a pushing block 15, a sealing plate 16, a drain pipe 17 and an eccentric plate 18.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-3, an injection polishing device comprises a base 1, a bearing box 2 and a propelling box 3, wherein the upper end of the base 1 is connected with a motor 5 through a plurality of buffer springs 4, the side walls of the upper end and the lower end of the bearing box 2 are both provided with a mounting groove 6 in a penetrating way, the inner bottom of the propelling box 3 is provided with a backflow hole 11 in a penetrating way, the inner walls of the mounting groove 6 and the backflow hole 11 are both fixed with a buffer ring 7, the buffer ring 7 is made of rubber materials and can deform to a certain degree so as to adapt to the swing caused by vibration, an output shaft of the motor 5 is fixed with a collecting pipe 8 which is provided with the mounting groove 6 and the backflow hole 11 in a penetrating way, the collecting pipe 8 is rotatably connected with the inner walls of the buffer rings 7, the side wall of the bearing box 2 is fixed with a sealing plate 16 through bolts, the bottom of the bearing box 2 is inserted with a drainage, the inner wall of the propelling box 3 is provided with two symmetrically arranged propelling grooves 13 in a penetrating way, the inner bottom of the propelling box 3 is fixed with two symmetrically arranged pushing blocks 15 through a plurality of reset springs, the bottom of each pushing block 15 is in a taper shape, the pushing of the side wall enables the pushing blocks 15 to move upwards under the action of component force, the side wall of the output shaft of the motor 5 is fixed with an eccentric plate 18, and the side wall of the collecting pipe 8 is provided with a plurality of water drainage holes 9 in a penetrating way.

Two ejector pads 15 all with the sealed sliding connection of inner wall that impels case 3, guarantee to promote the forward of rivers under the sealed environment, avoid rivers to spill over, the inner wall of a plurality of bellows 12 all is fixed with the check valve, and bellows 12 can satisfy the demand of vibrations to can not produce revealing of rivers, the normal circulation flow of rivers of polishing is guaranteed to the check valve.

The circumference outer wall of collecting pipe 8 is fixed with a plurality of propulsion boards 10, collecting pipe 8 all rotates through waterproof bearing with the inner wall of a plurality of buffering ring 7 to be connected, eccentric plate 18 and motor 5's output shaft eccentric settings, under the state of eccentric settings, motor 5 drives behind the eccentric plate 18 rotation will make motor 5 self vibrations, make collecting pipe 8 and bearing box 2 vibrations, and then make the work piece more comprehensive with the abrasive material contact, and eccentric plate 18 still is in certain extent although vibrations, consequently, eccentric plate 18 still can cause the impact to ejector pad 15, make ejector pad 15 rebound under eccentric plate 18's promotion.

In the invention, when an injection molding piece is polished, a part is placed in the bearing box 2, then the sealing plate 16 is installed, cleaning liquid mixed with abrasive is injected into the bearing box 2 through the drain pipe 17, and then the motor 5 is started;

the eccentric plate 18 is driven to rotate by the motor 5, so that the motor 5 and the collecting pipe 8 connected with the motor 5 vibrate, meanwhile, the collecting pipe 8 is driven to rotate by the motor 5, the bearing box 2 is connected with the collecting pipe 8, the bearing box 2 vibrates along with the bearing box, and liquid in the bearing box 2 flows disorderly and irregularly;

the collecting pipe 8 drives the pushing plate 10 to rotate, so that liquid in the bearing box 2 is continuously pushed by the pushing plate 10 to move to the periphery of the bearing box 2 and then enters the pushing box 3 through the corrugated pipe 12, the pushing block 15 is intermittently pushed to move upwards by the rotation of the eccentric plate 18, so that the pushing block 15 does reciprocating motion in the vertical direction under the combined action of the eccentric plate 18 and the return spring 14, and the liquid entering the pushing box 3 from the corrugated pipe 12 continuously moves to the top of the pushing box 3 under the pushing action of the pushing block 15 and then enters the collecting pipe 8 and returns to the bearing box 2 again under the action of gravity, so that the circulating flow of the liquid is formed;

through the impact of liquid and the abrasive material therein, make the inside work piece of bearing box 2 obtain polishing again, and because bearing box 2 itself is also in continuous vibrations, make the inside work piece of bearing box 2 and abrasive material obtain abundant comprehensive contact, make the work piece obtain comprehensive polishing, and liquid has obtained cyclic utilization, the waste has been avoided, and the liquid that gets into in collecting pipe 8 will receive the influence of the centrifugal force that collecting pipe 8 rotated and bring, and quick spout to the edge of bearing box 2 through wash port 9, thereby make the flow velocity of the inside liquid of bearing box 2 and abrasive material obtain promoting by a wide margin, thereby make the work piece obtain better polishing effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The injection molding and polishing equipment comprises a base (1), a bearing box (2) and a propelling box (3), and is characterized in that the upper end of the base (1) is connected with a motor (5) through a plurality of buffer springs (4), the upper end and the lower end side wall of the bearing box (2) are both penetrated and provided with a mounting groove (6), the inner bottom of the propelling box (3) is penetrated and provided with a backflow hole (11), the inner walls of the mounting groove (6) and the backflow hole (11) are both fixed with buffer rings (7), an output shaft of the motor (5) is fixed with a collecting pipe (8) penetrating through the mounting groove (6) and the backflow hole (11), the collecting pipe (8) is rotatably connected with the inner walls of the buffer rings (7), the side wall of the bearing box (2) is fixed with a closing plate (16) through bolts, the bottom of the bearing box (2) is inserted with a drainage pipe (17), the lateral wall of bearing box (2) runs through and inserts and is equipped with a plurality of bellows (12) with the inside intercommunication of propulsion case (3), the inner wall of propulsion case (3) runs through and sets up propulsion groove (13) that two symmetries set up, the interior bottom of propulsion case (3) is fixed with ejector pad (15) that two symmetries set up through a plurality of reset spring, the lateral wall of motor (5) output shaft is fixed with eccentric plate (18), the lateral wall of collecting pipe (8) runs through and has seted up a plurality of wash ports (9).

2. An injection-moulding polishing device according to claim 1, characterized in that both said push blocks (15) are sealingly and slidably connected to the inner wall of the propulsion box (3), the inner walls of a plurality of said bellows (12) being fixed with one-way valves.

3. An injection molding and polishing device as claimed in claim 1, wherein a plurality of pushing plates (10) are fixed to the circumferential outer wall of the collecting pipe (8), the collecting pipe (8) and the inner walls of the plurality of buffer rings (7) are rotatably connected through waterproof bearings, and the eccentric plate (18) is eccentrically arranged with the output shaft of the motor (5).