A rapid demolding device for injection molding machine

Abstract

The utility model relates to injection molding machine technical field, concretely is a kind of injection molding machine quick demoulding device, including base, the side fixed mounting of base has four guide rods, one end of four guide rods is fixed with fixed seat, the one side of fixed seat is provided with upper die holder, mobile seat is movably installed between four guide rods, the side mounting of mobile seat has lower die holder, the inside of forming groove has demoulding structure, when extrusion plate and extrusion rod extrude each other, extrusion rod moves to the inside of cylinder, extrusion rod drives piston block to move, piston block pushes the inside air of cylinder into the inside of blowing pipe, and it is ejected by the air injection hole on the surface of extrusion plate and top pipe, strengthen the demoulding effect when, when injection molding, extrusion plate and extrusion rod are separated, extrusion plate and extrusion rod restore original position under the action of first reset spring and second reset spring, piston block moves in the inside of cylinder, and air enters the inside of cylinder by air inlet pipe.

Description

Technical Field

[0001] This utility model relates to a rapid demolding device, and more particularly to a rapid demolding device for an injection molding machine, belonging to the field of injection molding machine technology. Background Technology

[0002] Injection molding machines are the core equipment in the plastics processing industry. They are used to melt thermoplastic or thermosetting plastics at high temperatures and inject them into molds under high pressure. After cooling and solidification, various plastic products are obtained. Injection molds are the core tools for producing plastic button covers.

[0003] While existing injection molding machines can meet users' needs to a certain extent, they still have certain shortcomings during use. For example, existing injection molding machines shape the material into form through upper and lower molds, but the shaped material is placed inside the forming groove of the lower mold. Sometimes the shaped material will stick to the inner wall of the forming groove, affecting the discharge and requiring manual assistance to unload, which seriously reduces work efficiency.

[0004] Therefore, there is an urgent need to improve an existing rapid demolding device for injection molding machines to solve the aforementioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a quick demolding device for injection molding machines, which can solve the problem that existing injection molding machines use upper and lower molds to shape the injection material, but the shaped material is placed inside the forming groove of the lower mold, and sometimes the shaped material will stick to the inner wall of the forming groove, affecting the discharge and requiring manual assistance to unload, which seriously reduces work efficiency.

[0006] To achieve the above objectives, the main technical solution adopted by this utility model includes: a quick demolding device for an injection molding machine, comprising a base, four guide rods fixedly installed on one side of the base, a fixed seat fixedly provided at one end of the four guide rods, an upper mold seat provided on one side of the fixed seat, a movable seat movably installed between the four guide rods, a lower mold seat installed on one side of the movable seat, a molding groove provided on one side of the lower mold seat, and a demolding structure inside the molding groove.

[0007] A further feature of this invention is that the demolding structure includes a movable groove, which is formed inside the molding groove. A top tube is movably inserted inside the movable groove, with one end of the top tube movably inserted inside the molding groove. A movable block is fixed on the surface of the top tube.

[0008] A further feature of this invention is that the other end of the top tube is movably inserted through the outside of the lower mold base and is fitted with an extrusion plate. The extrusion plate has a hollow structure. A first return spring connected to the extrusion plate is sleeved on the surface of the top tube. Air jet holes are provided on both sides of one end of the top tube.

[0009] A further feature of this invention is that a cylinder is fixedly installed in the middle of one side of the fixed base, a pressing rod is movably inserted through one end of the cylinder, a piston block is fixedly installed at one end of the pressing rod, and a second return spring connected to the piston block is sleeved on the surface of the pressing rod.

[0010] A further feature of this invention is that an air inlet pipe is provided at one end of the cylinder, an air blowing pipe is provided on one side of the cylinder surface, a one-way valve is provided on the surface of both the air blowing pipe and the air inlet pipe, and one end of the air blowing pipe is connected to the extrusion plate.

[0011] A further feature of this invention is that: one end of the air intake pipe is provided with an installation ring, a dust filter plate is detachably installed on one side of the installation ring, and a connecting component is provided between the dust filter plate and the installation ring.

[0012] A further feature of this invention is that the connecting assembly includes a mounting sleeve, which is rotatably mounted on one side of a mounting ring. A mounting bolt is movably inserted inside the mounting sleeve, and one end of the mounting bolt is fixedly connected to a dust filter plate. A meshing gear is provided on the outer side of the mounting sleeve, and a rotating ring is rotatably mounted on the outer side of the air intake pipe. The inner ring of the rotating ring is provided with a toothed ring that meshes with the meshing gear.

[0013] A further feature of this invention is that an annular air box is provided on the outer side of the air inlet pipe, and soot blowing holes are provided on both sides of the inner ring of the annular air box. A soot blowing pipe connected to the air blowing pipe is installed on one side of the annular air box, and a control valve is provided on the surface of the soot blowing pipe.

[0014] This utility model has at least the following beneficial effects:

[0015] 1. In this utility model, after the upper mold base and the lower mold base are attached, injection molding can be performed through the injection hole. After the material is formed, the moving seat moves along the guide rod. The moving seat drives the lower mold base to move, so that the lower mold base is separated from the upper mold base. When the extrusion plate and the extrusion rod are attached, as the moving seat continues to move, the extrusion plate and the extrusion rod squeeze each other. The extrusion plate drives the top tube to move. The moving block squeezes the first reset spring, so that the material inside the molding groove is ejected, which facilitates quick demolding.

[0016] 2. In this utility model, when the extrusion plate and the extrusion rod are pressed against each other, the extrusion rod moves into the cylinder, and the extrusion rod drives the piston block to move. The piston block pushes the air inside the cylinder into the air blowing pipe, and it is ejected through the air jet holes on the surface of the extrusion plate and the top pipe, which enhances the demolding effect. When the extrusion plate and the extrusion rod are separated during injection molding, the extrusion plate and the extrusion rod return to their original positions under the action of the first return spring and the second return spring. The piston block moves inside the cylinder, and air enters the cylinder through the air inlet pipe. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0018] Figure 1 This is a three-dimensional structural diagram of the device of this utility model;

[0019] Figure 2 This is a schematic diagram of a half-section of the device of this utility model;

[0020] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 This is a schematic diagram of a half-section of the air intake pipe in the device of this utility model;

[0022] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point B.

[0023] In the diagram, 100 is the base; 110 is the guide rod; 200 is the fixed seat; 210 is the upper mold base; 300 is the movable seat; 310 is the lower mold base; 320 is the forming groove; 330 is the movable groove; 400 is the extrusion plate; 410 is the top pipe; 411 is the movable block; 412 is the air jet hole; 413 is the first return spring; 500 is the cylinder; 501 is the extrusion rod; 502 is the piston block; 503 is the second return spring; 510 is the air blowing pipe; 520 is the air inlet pipe; 521 is the one-way valve; 530 is the annular air box; 531 is the dust blowing pipe; 532 is the control valve; 533 is the dust blowing hole; 540 is the dust filter plate; 541 is the mounting bolt; 550 is the mounting ring; 551 is the rotating ring; 552 is the mounting screw sleeve; 553 is the meshing gear; and 554 is the gear ring. Detailed Implementation

[0024] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0025] like Figures 1 to 3As shown, this embodiment provides a rapid demolding device for an injection molding machine, including a base 100. Four guide rods 110 are fixedly installed on one side of the base 100. A fixed seat 200 is fixedly provided at one end of each of the four guide rods 110. A hydraulic telescopic mechanism can be provided on one side of the base 100 to drive a movable seat 300 to move on the surface of the guide rods 110. An upper mold base 210 is provided on one side of the fixed seat 200. The movable seat 300 is movably installed between the four guide rods 110. A lower mold base 310 is installed on one side of the movable seat 300. An opening is provided on one side of the lower mold base 310. There is a forming groove 320, and there is a demolding structure inside the forming groove 320. The demolding structure includes a movable groove 330, which is opened inside the forming groove 320. A top tube 410 is movably inserted inside the movable groove 330. One end of the top tube 410 is movably inserted inside the forming groove 320. A movable block 411 is fixed on the surface of the top tube 410. The other end of the top tube 410 is movably inserted outside the lower mold base 310 and is equipped with an extrusion plate 400. A first return spring 413 connected to the extrusion plate 400 is sleeved on the surface of the top tube 410.

[0026] In this embodiment, after the upper mold base 210 and the lower mold base 310 are attached, injection molding can be performed through the injection hole. After the material is formed, the movable seat 300 moves along the guide rod 110. The movable seat 300 drives the lower mold base 310 to move, so that the lower mold base 310 is separated from the upper mold base 210. When the extrusion plate 400 is attached to the extrusion rod 501, as the movable seat 300 continues to move, the extrusion plate 400 and the extrusion rod 501 press against each other. The extrusion plate 400 drives the top tube 410 to move. The movable block 411 presses against the first reset spring 413, so that the material inside the molding groove 320 is ejected, which facilitates quick demolding.

[0027] like Figures 1 to 3 As shown in the figure, this embodiment provides a quick demolding device for an injection molding machine. The extrusion plate 400 has a hollow structure. Air jet holes 412 are provided on both sides of one end of the top tube 410. A cylinder 500 is fixedly installed in the middle of one side of the fixed base 200. An extrusion rod 501 is movably inserted through one end of the cylinder 500. A piston block 502 is fixedly installed at one end of the extrusion rod 501. A second return spring 503 connected to the piston block 502 is sleeved on the surface of the extrusion rod 501. An air inlet pipe 520 is provided at one end of the cylinder 500. An air blowing pipe 510 is provided on one side of the surface of the cylinder 500. A one-way valve 521 is provided on the surface of both the air blowing pipe 510 and the air inlet pipe 520. One end of the air blowing pipe 510 is connected to the extrusion plate 400.

[0028] In this embodiment, when the extrusion plate 400 and the extrusion rod 501 press against each other, the extrusion rod 501 moves into the cylinder 500. The extrusion rod 501 drives the piston block 502 to move. The piston block 502 pushes the air inside the cylinder 500 into the air blowing pipe 510, and sprays it out through the air jet holes 412 on the surface of the extrusion plate 400 and the top pipe 410, which enhances the demolding effect. During injection molding, when the extrusion plate 400 separates from the extrusion rod 501, the extrusion plate 400 and the extrusion rod 501 return to their original positions under the action of the first return spring 413 and the second return spring 503. The piston block 502 moves inside the cylinder 500, and air enters the cylinder 500 through the air inlet pipe 520.

[0029] like Figure 4 and Figure 5 As shown, this embodiment provides a rapid demolding device for an injection molding machine. One end of the air inlet pipe 520 is provided with an installation ring 550. A dust filter plate 540 is detachably installed on one side of the installation ring 550. A connecting assembly is provided between the dust filter plate 540 and the installation ring 550. The connecting assembly includes an installation screw sleeve 552. The installation screw sleeve 552 is rotatably installed on one side of the installation ring 550. An installation bolt 541 is movably inserted inside the installation screw sleeve 552. One end of the installation bolt 541 is fixedly connected to the dust filter plate 540. A meshing gear 553 is provided on the outer side of the installation screw sleeve 552. A rotating ring 551 is rotatably installed on the outer side of the air inlet pipe 520. The inner ring of the rotating ring 551 is provided with a toothed ring 554 that meshes with the meshing gear 553.

[0030] In this embodiment, the dust filter plate 540 can prevent dust from entering and affecting the performance. The user can rotate the rotating ring 551, which drives the mounting sleeve 552 to rotate through the toothed ring 554 and the meshing gear 553. The mounting bolt 541 can be pulled out from inside the mounting sleeve 552 and the mounting ring 550, which facilitates the quick installation and removal of the dust filter plate 540.

[0031] like Figure 4 As shown, this embodiment provides a rapid demolding device for an injection molding machine. An annular air box 530 is provided on the outside of the air inlet pipe 520. Both sides of the inner ring of the annular air box 530 are provided with blowing holes 533. A blowing pipe 531 connected to the blowing pipe 510 is installed on one side of the annular air box 530. A control valve 532 is provided on the surface of the blowing pipe 531.

[0032] In this embodiment, when the dust filter plate 540 is clogged, the user opens the control valve 532, and the air blown out by the cylinder 500 can enter the annular air box 530 through the dust blowing pipe 531 and be sprayed out through the dust blowing hole 533, which facilitates the blowing off of dust from the surface of the dust filter plate 540 and prevents the dust filter plate 540 from becoming clogged.

[0033] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0034] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0035] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A rapid mold stripping device for an injection molding machine comprising a base (100), characterized in that: Four guide rods (110) are fixedly installed on one side of the base (100). A fixed seat (200) is fixed at one end of each of the four guide rods (110). An upper mold base (210) is provided on one side of the fixed seat (200). A movable seat (300) is movably installed between the four guide rods (110). A lower mold base (310) is installed on one side of the movable seat (300). A forming groove (320) is opened on one side of the lower mold base (310). The interior of the forming groove (320) has a demolding structure.

2. A rapid mold opening device for an injection molding machine as defined in claim 1, wherein: The demolding structure includes a movable groove (330), which is opened inside the forming groove (320). A top tube (410) is movably inserted inside the movable groove (330), with one end of the top tube (410) movably inserted inside the forming groove (320). A movable block (411) is fixed on the surface of the top tube (410).

3. A rapid mold knockout device for an injection molding machine as defined in claim 2, wherein: The other end of the top tube (410) is movably inserted through the outside of the lower mold base (310) and is equipped with an extrusion plate (400). The extrusion plate (400) has a hollow structure. A first return spring (413) connected to the extrusion plate (400) is sleeved on the surface of the top tube (410). Air jet holes (412) are opened on both sides of one end of the top tube (410).

4. A rapid mold knockout device for an injection molding machine as defined in claim 3, wherein: A cylinder (500) is fixedly installed in the middle of one side of the fixed base (200). A pressing rod (501) is movably inserted through one end of the cylinder (500). A piston block (502) is fixedly installed at one end of the pressing rod (501). A second return spring (503) connected to the piston block (502) is sleeved on the surface of the pressing rod (501).

5. A rapid mold knockout device for an injection molding machine as defined in claim 4, wherein: An air inlet pipe (520) is provided at one end of the cylinder (500), and an air blowing pipe (510) is provided on one side of the surface of the cylinder (500). A one-way valve (521) is provided on the surface of both the air blowing pipe (510) and the air inlet pipe (520). One end of the air blowing pipe (510) is connected to the extrusion plate (400).

6. A rapid mold knockout device for an injection molding machine as defined in claim 5, wherein: An installation ring (550) is provided at one end of the air intake pipe (520), and a dust filter plate (540) is detachably installed on one side of the installation ring (550). A connecting component is provided between the dust filter plate (540) and the installation ring (550).

7. A rapid mold knockout device for an injection molding machine as defined in claim 6, wherein: The connecting assembly includes a mounting sleeve (552), which is rotatably mounted on one side of a mounting ring (550). A mounting bolt (541) is movably inserted inside the mounting sleeve (552). One end of the mounting bolt (541) is fixedly connected to the dust filter plate (540). A meshing gear (553) is provided on the outer side of the mounting sleeve (552). A rotating ring (551) is rotatably mounted on the outer side of the air intake pipe (520). The inner ring of the rotating ring (551) is provided with a toothed ring (554) that meshes with the meshing gear (553).

8. A rapid mold knockout device for an injection molding machine as defined in claim 7, wherein: An annular air box (530) is provided on the outside of the air inlet pipe (520). Both sides of the inner circle of the annular air box (530) are provided with soot blowing holes (533). A soot blowing pipe (531) connected to the air blowing pipe (510) is installed on one side of the annular air box (530). A control valve (532) is provided on the surface of the soot blowing pipe (531).

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