CN102166807A - Toothbrush handle secondary injection molding method and system for implementing the method - Google Patents

Abstract

The invention discloses a toothbrush handle secondary injection molding method, which comprises the following steps: 1) arranging a molding injection machine for injection molding the toothbrush body; 2) arranging an encapsulating injection molding machine for carrying out secondary encapsulating injection molding on the toothbrush body to obtain a finished product; 3) arranging a control system which is respectively connected with the molding injection molding machine and the rubber coating injection molding machine and controls the working state of the molding injection molding machine and the rubber coating injection molding machine; it also discloses a system for implementing the method; the method provided by the invention can realize secondary injection molding without changing the existing structure of the mold, effectively reduce the production cost and ensure good product quality; the system provided by the invention has a simple and reasonable structure, combines the molding injection molding machine and the rubber coating injection molding machine, realizes secondary injection molding, has high efficiency and high speed, greatly improves the production efficiency and the product percent of pass, has an automation degree, and greatly reduces the labor intensity.

Description

Toothbrush handle secondary injection molding method and system for implementing the method

technical field

The invention relates to the technical field of fixtures, in particular to a secondary injection molding method for a toothbrush handle and a system for implementing the method.

Background technique

With the continuous improvement of people's living standards, the styles of consumer products are becoming more and more diversified. They must not only have beautiful appearance and exquisite design, but also quickly meet market demand. Two-color injection molding (also called double-material injection molding) is a development in recent years. A trendy special plastic injection molding method, which can form products composed of two different colors or different plastics (such as a hard plastic and a soft plastic), which is actually an in-mold assembly or in-mold welding "Insert molding" process. The molding principle is to plasticize two different plastics in two barrels, and then inject them into the cavity of the mold to form plastic parts with two colors on the surface. But now some two-color injection molding machines are expensive, have high technical requirements, and their molds are relatively complicated. The demoulding of the product requires two or even multi-stage core pulling or inclined tops, etc., resulting in complex mold structures and large dimensions. Manufacture Defects such as high cost are too suitable for the technical field of producing toothbrushes in addition.

Contents of the invention

In view of the above-mentioned shortcomings, one of the purposes of the present invention is to provide a toothbrush handle secondary injection molding method with simple process and low cost, which is suitable for producing toothbrushes.

The purpose of the present invention is also to provide a system with reasonable structure, high production efficiency and guaranteed quality of finished products.

In order to achieve the above object, the present invention provides the technical solution as follows:

A toothbrush handle secondary injection molding method is characterized in that it comprises the steps of:

(1) A molding injection molding machine is set for injection molding the toothbrush body;

(2) An overcoating injection molding machine is set to carry out secondary overmolding injection molding to the toothbrush body to obtain a finished product;

(3) A control system is provided, which is respectively connected with the molding injection molding machine and the overmolding injection molding machine, and controls their working states.

It also includes the steps of:

(4) Set up a conveying track connected to the control system and controlled by it, for conveying the toothbrush body on the molding injection molding machine to the predetermined position required by the overmolding injection molding machine, and simultaneously The main body performs cooling action.

It also includes the steps of:

(5) An oblique-arm manipulator connected to and controlled by the control system is provided to take out the toothbrush body from the injection molding machine and place it on the conveying track.

It also includes the steps of:

(6) One is set to be connected with described control system, and is controlled by its traverse type manipulator, is used for taking out the toothbrush body on the conveying track, and is placed on the overmolding injection molding machine, and the toothbrush on the overmolding injection molding machine The finished product is removed and transferred to the finished product area.

It also includes the following steps

(7) Turn on the power, initialize the control system, and input the corresponding coordinates according to the pre-set coordinate positions of the molding injection molding machine, overmolding injection molding machine, conveying track, oblique arm type manipulator, horizontal walking manipulator and the required action state. Control instruction;

(8) The molding injection molding machine is started, and the injection molding toothbrush body action is started;

(9) The injection molding action of the forming injection molding machine is completed, and the mold is opened;

(10) The inclined arm type manipulator is started, and the toothbrush body on the molding injection molding machine is taken out, transferred and placed on the conveying track;

(11) The conveying track is started to drive the toothbrush body to the direction of the rubber-coated injection molding machine until it reaches the desired predetermined position of the rubber-coated injection molding machine; The toothbrush body performs cooling action;

(12) The horizontal walking manipulator is started, and the toothbrush body located at the predetermined position is taken out, and transferred and placed on the overmolding injection molding machine;

(13) The overmolding injection molding machine is started to perform secondary overmolding injection molding on the toothbrush body;

(14) The secondary overmolding action of the overmolding injection molding machine is completed, the finished product is obtained, and the mold is opened;

(15) The horizontal walking manipulator starts, removes the finished product on the overmolding injection molding machine, and transfers it to the finished product area, and at the same time enters the next round of action preparation, and moves from the finished product area directly above the toothbrush body at the predetermined position;

(16) The horizontal walking manipulator is started, and the toothbrush body at the predetermined position is taken out, and transferred to the top of the overmolding injection molding machine;

(17) The injection molding action of the forming injection molding machine is completed, and the mold is opened;

(18) The horizontal walking manipulator is started, and the finished product on the overmolding injection molding machine is removed, and then placed into the toothbrush body;

(19) The overcoating injection molding machine is started to perform secondary overmolding injection on the toothbrush body; at the same time, the horizontal walking manipulator is started to remove the finished product on the overcoating injection molding machine and transfer it to the finished product area, and enter the next step at the same time The wheel is ready to move, and the finished product area is moved directly above the toothbrush body at the predetermined position;

(20) Steps (8) to (11) and (16) to (19) are repeated to enter the next cycle.

A system for implementing the above-mentioned toothbrush handle secondary injection molding method, which includes a molding injection molding machine, an overmolding injection molding machine and a control system, the control system is connected with the molding injection molding machine and the overmolding injection molding machine respectively, and controls its working status.

It also includes a conveying track connected to the control system and controlled by it. The conveying track includes a bracket and a conveyor belt. A motor assembly capable of driving the conveyor belt is arranged at the bottom of the bracket, corresponding to the A plurality of cooling fans arranged along the direction of the conveyor belt are arranged above the conveyor belt on the top of the bracket. One end of the conveyor belt extends to one side of the molding injection molding machine, and the other end extends to the overmolding injection molding machine. machine side.

It also includes a slant-arm manipulator connected to the control system and controlled by it. One side of the slant-arm manipulator is provided with a lifting receiving platform, and the lifting receiving platform includes a lifting seat and a supporting plate. Set on the lifting seat through a rotating mechanism, the oblique arm type manipulator includes a base and a swing manipulator body, the swing manipulator body is set on the support, and can swing from the position of the molding injection molding machine to At the pallet position of the lift receiving platform.

It also includes a horizontal walking manipulator connected with the control system and controlled by it. The horizontal walking manipulator includes a base, a transverse slide rail and a traverse manipulator body, and the horizontal slide rail is fixed on the bottom of the base. At the top, the body of the traverse manipulator is arranged on the transverse slide rail and can slide back and forth.

The beneficial effects of the present invention are: the method provided by the present invention can realize secondary injection molding without changing the existing structure of the mold, effectively reduce the production cost, and the product quality is good; the system provided by the present invention has a simple and reasonable structure , Combining the forming injection molding machine and the overmolding injection molding machine to realize secondary injection molding, with high efficiency and fast speed, greatly improving production efficiency and product qualification rate, and the degree of automation greatly reduces labor intensity.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a schematic structural view of the conveying track in Fig. 1;

Fig. 3 is the structural representation of the oblique arm type manipulator in Fig. 1;

Fig. 4 is a schematic structural diagram of the traverse robot in Fig. 1 .

Detailed ways

Embodiment: Referring to Fig. 1, Fig. 2, Fig. 3, and Fig. 4, an embodiment of the present invention provides a secondary injection molding method for a toothbrush handle, which is characterized in that it includes the following steps:

(1) a forming injection molding machine 1 is set, and the toothbrush body 2 is injection-molded with rice;

(2) An overmolding injection molding machine 3 is set, which is used to carry out secondary overmolding injection molding on the toothbrush body 2 to obtain a finished product;

(3) A control system is provided, which is respectively connected with the forming injection molding machine 1 and the overmolding injection molding machine 3, and controls their working states. The method provided by the invention can realize secondary injection molding on the basis of not changing the existing structure of the mould, effectively reduces the production cost, and has good product quality.

(4) set one and be connected with described control system, and be controlled by its delivery track 4, be used to deliver the toothbrush body 2 on the molding injection molding machine 1 to the predetermined position required by the overmolding injection molding machine 3, and also simultaneously The toothbrush body 2 on it carries out cooling action.

(5) An oblique-arm manipulator 5 connected to the control system and controlled by it is provided to take out the toothbrush body 2 on the injection molding machine 1 and place it on the conveying track 4 .

(6) A horizontal walking manipulator 7 that is connected to the control system and controlled by it is set to take out the toothbrush body 2 on the delivery track 4, and place it on the overmolding injection molding machine 3, and place the overmolding The finished product on the injection molding machine 3 is taken off and transferred to the finished product area.

It also includes the following steps

(7) Turn on the power, initialize the control system, according to the preset coordinate positions of the molding injection molding machine 1, the overmolding injection molding machine 3, the conveying track 4, the oblique arm type manipulator 5, and the horizontal walking type manipulator 7, and the required actions state, input the corresponding control command;

(8) The forming injection molding machine 1 is started, and the action of the injection molding toothbrush body 2 is started;

(9) The injection molding action of the forming injection molding machine 1 is completed, and the mold is opened;

(10) The inclined arm type manipulator 5 is started, and the toothbrush body 2 on the molding injection molding machine 1 is taken out, and transferred and placed on the conveying track 4;

(11) The conveying track 4 starts, and drives the toothbrush body 2 to convey to the direction of the overmolded injection molding machine 3 until it arrives at the desired predetermined position of the overmolded injection molding machine 3; 4 also carry out cooling action to the toothbrush body 2 on it;

(12) The horizontal walking type manipulator 7 is started, and the toothbrush body 2 located at the predetermined position is taken out, and transferred and placed on the overmolding injection molding machine 3;

(13) The overmolding injection molding machine 3 is started, and is used for carrying out the secondary overmolding injection molding action to the toothbrush body 2;

(14) The secondary overmolding action of the overmolding injection molding machine 3 is completed, the finished product is obtained, and the mold is opened;

(15) The horizontal walking type manipulator 7 starts, and the finished product on the overmolding injection molding machine 3 is taken off, and transferred to the finished product area, and enters the next round of action preparation at the same time. above;

(16) The horizontal walking type manipulator 7 is started, and the toothbrush body 2 positioned at the predetermined position is taken out, and transferred to the right above the overmolding machine 3;

(17) The injection molding action of the forming injection molding machine 1 is completed, and the mold is opened;

(18) The horizontal walking manipulator 7 is started, and the finished product on the overmolding injection molding machine 3 is taken off, and then placed into the toothbrush body 2;

(19) The overmolding injection molding machine 3 is started to perform secondary overmolding injection molding on the toothbrush body 2; at the same time, the traverse manipulator 7 is started to remove the finished product on the overmolding injection molding machine 3 and transfer it to the finished product area, At the same time, enter the next round of action preparation, and move from the finished product area directly above the toothbrush body 2 at the predetermined position;

(20) Steps (8) to (11) and (16) to (19) are repeated to enter the next cycle.

A system for implementing the secondary injection molding method for the above-mentioned toothbrush handle, which includes a molding injection molding machine 1, an overmolding injection molding machine 3 and a control system, and the control system is connected to the molding injection molding machine 1 and the overmolding injection molding machine 3 respectively. connected and control its working status. It also includes a conveying track 4 that is connected with the control system and controlled by it. The conveying track 4 includes a support 41 and a conveyor belt 42. A conveyor belt 42 that can drive the conveyor belt 42 is set at the bottom of the support 41. The motor assembly 43 corresponding to the upper position of the conveyor belt 42 is provided with a plurality of cooling fans 44 arranged along the direction of the conveyor belt 42 on the top of the support 41, and one end of the conveyor belt 42 extends to the molding injection molding machine 1 side, and the other end extends to the side of the overmolding machine 3. It also includes an oblique arm type manipulator 5 which is connected with the control system and controlled by it. One side of the oblique arm type manipulator 5 is provided with a lifting receiving platform 6, and the lifting receiving platform 6 includes a lifting seat 61 and a support plate 62, the supporting plate 62 is set on the lift seat 61 through a rotating mechanism 63, the oblique arm type manipulator 5 includes a base 51 and a swing manipulator body 52, the swing manipulator body 52 is set on the support 51 and can swing from the position of the molding injection molding machine 1 to the position of the supporting plate 62 of the lifting platform 6 . It also includes a horizontal walking manipulator 7 connected with the control system and controlled by it. This horizontal walking manipulator 7 includes a base 71, a transverse slide rail 72 and a transverse walking manipulator body 73. The transverse slide The rail 72 is fixed on the top of the base 61, and the traverse manipulator body 73 is arranged on the transverse slide rail 72 and can slide back and forth. The system provided by the invention has a simple and reasonable structure, combines the forming injection molding machine and the overmolding injection molding machine to realize secondary injection molding, has high efficiency and fast speed, greatly improves production efficiency and product qualification rate, and greatly reduces the degree of automation. Labor intensity.

When working, keep the molding injection molding machine 1 and the conveying track 4 in normal operation, start the traverse robot 7, take out the toothbrush body 2 at the predetermined position, and transfer it to the top of the overmolding injection molding machine 3; the injection molding of the molding injection molding machine 1 After the molding action is completed, the mold is opened; the horizontal walking manipulator 7 is started, and the finished product on the overmolding injection molding machine 3 is removed, and then placed into the toothbrush body 2; the overmolding injection molding machine 3 is started to perform secondary Plastic overmolding action; at the same time, the horizontal walking manipulator 7 starts, removes the finished product on the plastic overmolding injection molding machine 3, and transfers it to the finished product area, and at the same time enters the next round of action preparation, and moves the toothbrush body at the predetermined position from the finished product area 2; repeat the above steps to enter cycle production.

As described in the above embodiments of the present invention, other systems and injection molding methods obtained by adopting the same or similar structures are within the protection scope of the present invention.

Claims (9)

1. a toothbrush handles quadric injection mould forming method is characterized in that it comprises the steps:

(1) a moulding injection machine is set, is used for the injection mo(u)lding toothbrush body;

(2) an encapsulate injection machine is set, is used for toothbrush body is carried out the injection moulding of secondary encapsulate, make finished product;

(3) control system is set, this control system links to each other with described moulding injection machine, encapsulate injection machine respectively, and controls its duty.

2. toothbrush handles quadric injection mould forming method according to claim 1 is characterized in that it is further comprising the steps of:

(4) be provided with one and link to each other, and be subjected to the delivery track of its control, be used for the toothbrush body on the moulding injection machine is delivered to the required precalculated position of encapsulate injection machine, and also the toothbrush body on it cooled off action simultaneously with described control system.

3. toothbrush handles quadric injection mould forming method according to claim 2 is characterized in that it is further comprising the steps of:

(5) be provided with one and link to each other, and be subjected to the oblique arm formula manipulator of its control, be used for the toothbrush body on the moulding injection machine is taken out, and be placed on the delivery track with described control system.

4. toothbrush handles quadric injection mould forming method according to claim 3 is characterized in that it is further comprising the steps of:

(6) be provided with one and link to each other, and be subjected to the horizontal travel type manipulator of its control, be used for the toothbrush body on the delivery track is taken out, and be placed on the encapsulate injection machine, and the finished product on the encapsulate injection machine is taken off, and be transferred to the finished product district with described control system.

5. toothbrush handles quadric injection mould forming method according to claim 4 is characterized in that it is further comprising the steps of

(7) connect power supply, the initialization control system is according to the coordinate position of the moulding injection machine that sets in advance, encapsulate injection machine, delivery track, oblique arm formula manipulator, horizontal travel type manipulator and required its operating state, the instruction of input control corresponding;

(8) the moulding injection machine starts, the action of beginning injection mo(u)lding toothbrush body;

(9) injection mo(u)lding of moulding injection machine action finishes die sinking;

(10) oblique arm formula manipulator starts, and the toothbrush body on the moulding injection machine is taken out, and shift, be placed on the delivery track;

(11) delivery track starts, and drives toothbrush body and carries to the direction of described encapsulate injection machine, until arriving the required precalculated position of this encapsulate injection machine; Now, go back the while in course of conveying, delivery track also cools off action to the toothbrush body on it;

(12) the horizontal travel type manipulator starts, and the toothbrush body that will be positioned at the precalculated position takes out, and shifts, is placed on the encapsulate injection machine;

(13) the encapsulate injection machine starts, and is used for toothbrush body is carried out secondary encapsulate injection moulding action;

(14) the secondary encapsulate injection moulding of encapsulate injection machine action finishes, and makes finished product, die sinking;

(15) the horizontal travel type manipulator starts, and the finished product on the encapsulate injection machine is taken off, and be transferred to the finished product district, enters the next round action simultaneously and prepares, be positioned at from finished product district dislocation the precalculated position toothbrush body directly over;

(16) the horizontal travel type manipulator starts, and the toothbrush body that will be positioned at the precalculated position takes out, and transfer to the encapsulate injection machine directly over;

(17) injection mo(u)lding of moulding injection machine action finishes die sinking;

(18) the horizontal travel type manipulator starts, and the finished product on the encapsulate injection machine is taken off, and be placed into toothbrush body subsequently;

(19) the encapsulate injection machine starts, and is used for toothbrush body is carried out secondary encapsulate injection moulding action; Simultaneously the horizontal travel type manipulator starts, and the finished product on the encapsulate injection machine is taken off, and be transferred to the finished product district, enters the next round action simultaneously and prepares, be positioned at from finished product district dislocation the precalculated position toothbrush body directly over;

(20) repeating step (8) to (11) and (16) enter the next round circulation to (19).

6. system that implements the described toothbrush handles quadric injection mould of claim 1 forming method, it is characterized in that, it comprises a moulding injection machine, an encapsulate injection machine and a control system, and this control system links to each other with described moulding injection machine, encapsulate injection machine respectively, and controls its duty.

7. system according to claim 6, it is characterized in that, it comprises that also one links to each other with described control system, and be subjected to the delivery track of its control, this delivery track comprises a support and a conveyer belt, in described frame bottom one motor sub-assembly that can drive described conveyer belt work is set, the top position of corresponding described conveyer belt is provided with a plurality of cooling fans that move towards arrangement along this conveyer belt in described top of the trellis, described conveyer belt one end extends to described moulding injection machine one side, and the other end extends to described encapsulate injection machine one side.

8. system according to claim 7, it is characterized in that, it comprises that also one links to each other with described control system, and be subjected to the oblique arm formula manipulator of its control, this oblique arm formula manipulator one side is provided with a lifting and accepts platform, this lifting is accepted platform and is comprised an elevating bracket and a supporting plate, this supporting plate is arranged on the described elevating bracket by a rotating mechanism, described oblique arm formula manipulator comprises a bearing and a swing manipulator body, this swing manipulator body is arranged on the bearing, and can be rocked to the blade position that platform is accepted in described lifting from the position of described moulding injection machine.

9. system according to claim 7, it is characterized in that, it comprises that also one links to each other with described control system, and be subjected to the horizontal travel type manipulator of its control, this horizontal travel type manipulator comprises a base, a horizontal slide rail and a horizontal manipulator body of walking, described horizontal slide rail is fixed on the top of base, and the described horizontal manipulator body of walking is arranged on the horizontal slide rail, and can slidably reciprocate.

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