CN219214015U

CN219214015U - Plastic injection molding machine with anti-blocking function

Info

Publication number: CN219214015U
Application number: CN202320256302.XU
Authority: CN
Inventors: 朱安涛; 王聪
Original assignee: Qingdao Shunchangde Molding Co ltd
Current assignee: Qingdao Shunchangde Molding Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-20
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to the technical field of injection machines, and discloses a plastic injection molding machine with an anti-blocking function, which comprises a base, wherein the bottom of the base is fixedly connected with the top of a supporting leg, the top of the base is fixedly connected with the bottom of a melting box, an anti-blocking device is arranged in the melting box, a protection device is arranged in a mold box, and the anti-blocking device comprises: according to briquetting, montant one, spring one, fixed frame, prevent stifled frame, fixed block one, spring two, fixture block, trapezoidal piece, clean board, through setting up anti-blocking device, throw plastics into injection molding section of thick bamboo and be dissolved the back, press according to the briquetting this moment, press down the montant of piece bottom under the effect of spring one, the trapezoidal piece at fixture block top will be extruded by the montant this moment to make the fixture block slide left on preventing stifled frame inner wall under the cooperation of spring two, and make clean board clean the mouth of moulding plastics of injection molding section of thick bamboo bottom, just so can not make the injection molding section of thick bamboo jam.

Description

Plastic injection molding machine with anti-blocking function

Technical Field

The utility model relates to the technical field of injection machines, in particular to a plastic injection molding machine with an anti-blocking function.

Background

Injection moulding machine, also called injection moulding machine or injection machine, is the main moulding equipment for making thermoplastic plastics or thermosetting plastics into plastics products with various shapes by using plastics moulding mould, and is divided into vertical, horizontal and all-electric type, the injection moulding machine can heat plastics, apply high pressure to molten plastics, make them be injected and full up mould cavity, and the working principle of injection moulding machine is similar to injection moulding machine, and it utilizes the thrust of screw (or plunger) to inject plastics in the molten state (i.e. viscous state) into closed mould cavity, and after solidification and shaping the technological process of obtaining products, injection moulding is a cyclic process, and every cycle mainly includes: quantitative feeding, melting plasticizing, pressure injection, mold filling cooling, mold opening and component taking, mold closing after the plastic component is taken out, and next cycle is carried out.

The working principle of the injection molding machine is similar to that of an injector for injection, and the injection molding machine injects plastic in a plasticized molten state (namely viscous state) into a closed mold cavity by means of the thrust of a screw (or a plunger) and obtains a product after solidification and shaping.

However, when the existing plastic injection molding machine is used for injection molding, after plastic is put into an injection molding cylinder, when the plastic is melted in a melting box, melted plastic residues are easily attached to the mouth of the injection molding cylinder, so that the next plastic putting in can be affected, blocking is easily caused, and in a mold box, the temperature of a plastic mold finished product is too high during molding, and at the moment, workers go to the box to take the finished product out of the box and are easily scalded.

Disclosure of Invention

The utility model aims to provide a plastic injection molding machine with an anti-blocking function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plastics injection molding machine that possesses anti-blocking function, includes the base, the bottom of base and the top fixed connection of supporting leg, the top of base and the bottom fixed connection of melting the case, the top of melting the case is provided with the section of thick bamboo of moulding plastics, the right side of melting the case and the left side fixed connection of moulding plastics pipe, the right side of moulding plastics pipe and the left side fixed connection of mould case, the inside of melting the case is provided with anti-blocking device, can prevent to mould plastics the pipe and be blocked up through setting up anti-blocking device, the inside of mould case is provided with protector, can guarantee through setting up protector that the mould case can not be opened when the temperature is high, only the temperature has reduced and can be opened, prevents to be scalded, protector includes conducting strip, thermal expansion frame, piston plate, fixed block two, spring three, horizontal pole, perpendicular piece, diagonal bar, montant two, baffle, anti-blocking device includes: according to briquetting, montant one, spring one, fixed frame, prevent stifled frame, fixed block one, spring two, fixture block, trapezoidal piece, cleaning plate, press the top fixed connection of piece bottom and montant one, through pressing the briquetting back, montant one will move down at the cooperation of spring one, will conflict the trapezoidal piece at fixture block top when montant one moves down, when montant one continues to move down, trapezoidal piece will make the fixture block move left, when the fixture block moves left, the cleaning plate will clean the plastics residue of injection molding barrel bottom, just so prevented blockking up, after unclamping pressing the briquetting, under the effect of spring one, montant one will reset, will release the conflict to trapezoidal piece at this moment, then the effect of fixture block will reset to make the cleaning plate move right, will clean the injection molding barrel for the second time like this, montant one runs through spring one, the inner wall fixed connection of spring one bottom and fixed frame, the surface and the inner wall fixed connection of melting box of preventing stifled, the bottom and the left side of fixed block and right side fixed connection of fixed block, the bottom and the right side fixed connection of fixed block and the right side of fixed block.

Preferably, the heat conducting fin runs through the thermal expansion frame, the bottom of thermal expansion frame and the top fixed connection of baffle, the surface of piston plate and the inner wall piston connection of thermal expansion frame, the bottom of fixed block two and the top fixed connection of baffle, the right side and the left side fixed connection of horizontal pole of spring three, the bottom and the top sliding connection of baffle of horizontal pole, the bottom and the top fixed connection of vertical pole of vertical piece, the one end of diagonal pole is articulated with the right side of horizontal pole, the other end of diagonal pole is articulated with the top of montant two, the both ends and the inner wall fixed connection of mould case of baffle, when the inside high temperature of mould case is too high, the heat conducting fin will be with heat introduction thermal expansion frame inside, and the inside carbon dioxide gas of thermal expansion frame will expand so that the piston plate moves right under the effect of thermal expansion at this moment, will conflict to the vertical piece at the horizontal pole top of horizontal pole after moving a section distance to drive the horizontal pole at this moment and move right, when moving, will make the diagonal pole rotate, and when the diagonal pole rotates, will make the montant move the card in the draw-in groove, the mould case just after the mould case has not cooled down, and then can leave the mould 87 at this moment, can be opened to the side after the side of the mould, and can be left after the mould has been left cooled down, and can be left to the side down the mould.

Preferably, a groove is formed in the top of the injection molding cylinder.

Preferably, a clamping groove is formed in the die box.

Preferably, a cavity is arranged in the melting box.

Preferably, the piston plate extends through the thermal expansion frame.

Compared with the prior art, the utility model provides the plastic injection molding machine with the anti-blocking function, which has the following beneficial effects:

1. this plastic injection molding machine that possesses anti-blocking function through setting up anti-blocking device, is throwing into plastics and is being melted the back with plastics injection molding barrel, presses the pressing block that melts the case top, presses the montant of block bottom at this moment and moves down under the effect of spring one, and the trapezoidal piece at fixture block top will be extruded by the montant at this moment to make the fixture block slide on anti-blocking frame inner wall left under the cooperation of spring two, and make the cleaning plate clean the mouth of moulding plastics of injection molding barrel bottom, just so can not make the injection molding barrel jam.

2. This possess plastics injection molding machine who prevents stifled function, through setting up protector, heat in the mould case leads in the thermal expansion frame through the conducting strip, the carbon dioxide gas in the thermal expansion frame makes the piston board remove right under the effect of expend with heat and contract with cold, at this moment the piston board will conflict the perpendicular piece at horizontal pole top, thereby make the horizontal pole remove right, when the horizontal pole removes, will make the diagonal lever rotate, will make perpendicular piece down move the card in the draw-in groove on mould case surface when the diagonal lever rotates, at this moment the mould case just can not be opened, after the mould case cools off, the piston board resets, thereby make the horizontal pole reset under the effect of spring III, at this moment the perpendicular piece will leave from the draw-in groove, at this moment the mould case just can be opened, just so prevent that the mould case temperature is too high scald staff.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the front view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2C according to the present utility model.

In the figure: 1. a base; 2. support legs; 3. a melting tank; 4. an injection molding cylinder; 5. injection molding a tube; 6. a mold box; 7. an anti-blocking device; 8. a protective device; 71. pressing the blocks; 72. a first vertical rod; 73. a first spring; 74. a fixed frame; 75. an anti-blocking frame; 76. a first fixed block; 77. a second spring; 78. a clamping block; 79. a trapezoid block; 710. a cleaning plate; 81. a heat conductive sheet; 82. a thermal expansion frame; 83. a piston plate; 84. a second fixed block; 85. a third spring; 86. a cross bar; 87. a vertical block; 88. a diagonal rod; 89. a second vertical rod; 810. a partition board.

Detailed Description

As shown in fig. 1-5, the present utility model provides a technical solution: a plastic injection molding machine with anti-blocking function comprises a base 1, the bottom of the base 1 is fixedly connected with the top of a supporting leg 2, the top of the base 1 is fixedly connected with the bottom of a melting box 3, a cavity is arranged in the melting box 3, an injection molding cylinder 4 is arranged at the top of the melting box 3, a groove is arranged at the top of the injection molding cylinder 4, the right side of the melting box 3 is fixedly connected with the left side of an injection molding pipe 5, the right side of the injection molding pipe 5 is fixedly connected with the left side of a mold box 6, a clamping groove is arranged in the mold box 6, an anti-blocking device 7 is arranged in the melting box 3, the injection molding pipe 5 can be prevented from being blocked by the arrangement of the anti-blocking device 7, a protecting device 8 is arranged in the mold box 6, the protection device 8 can ensure that the mold box 6 cannot be opened when the temperature is high, the opening can only be realized when the temperature is reduced, and scalding is prevented, the protection device 8 comprises a heat conducting fin 81, a heat expansion frame 82, a piston plate 83, a second fixing block 84, a third spring 85, a cross rod 86, a vertical block 87, an inclined rod 88, a second vertical rod 89 and a baffle 810, wherein the heat conducting fin 81 penetrates through the heat expansion frame 82, the bottom of the heat expansion frame 82 is fixedly connected with the top of the baffle 810, the surface of the piston plate 83 is connected with the inner wall piston of the heat expansion frame 82, the piston plate 83 penetrates through the heat expansion frame 82, the bottom of the second fixing block 84 is fixedly connected with the top of the baffle 810, the right side of the third spring 85 is fixedly connected with the left side of the cross rod 86, the bottom of the cross rod 86 is in sliding connection with the top of the baffle 810, the bottom of the vertical block 87 is fixedly connected with the top of the cross rod 86, one end of the inclined rod 88 is hinged with the right side of the cross rod 86, the other end of the inclined rod 88 is hinged with the top of the second vertical rod 89, the two ends of the baffle 810 are fixedly connected with the inner wall of the mould box 6, when the temperature inside the mould box 6 is too high, the heat conducting fin 81 will lead heat into the thermal expansion frame 82, at this moment, the carbon dioxide gas in the thermal expansion frame 82 will expand under the effect of thermal expansion and contraction, thereby make the piston plate 83 move rightwards, after moving a certain distance, will conflict with the vertical block 87 at the top of the cross bar 86, thereby drive the cross bar 86 to move rightwards, when the cross bar 86 moves rightwards, will make the diagonal bar 88 rotate, will make the second vertical bar 89 move downwards and block in the draw-in groove when the diagonal bar 88 rotates, at this moment the mould box 6 will not be opened, after the mould box 6 cools, the piston plate 83 will move leftwards, at this moment will not continue to conflict with the vertical block 87, then the cross bar 86 will reset under the effect of the third spring 85, thus make the second vertical bar 89 move upwards, leave from the draw-in groove, at this moment, can open the mould box 6, the anti-blocking device 7 includes: the cleaning device comprises a pressing block 71, a first vertical rod 72, a first spring 73, a fixed frame 74, an anti-blocking frame 75, a first fixed block 76, a second spring 77, a clamping block 78, a trapezoid block 79 and a cleaning plate 710, wherein the bottom of the pressing block 71 is fixedly connected with the top of the first vertical rod 72, the first vertical rod 72 moves downwards under the cooperation of the first spring 73 after the pressing block 71 is pressed, the trapezoid block 79 which is abutted to the top of the clamping block 78 is pressed when the first vertical rod 72 moves downwards, the trapezoid block 79 can enable the clamping block 78 to move leftwards when the first vertical rod 72 continues to move downwards, the cleaning plate 710 cleans plastic residues at the bottom of an injection molding barrel 4 when the clamping block 78 moves leftwards, the cleaning plate 710 is reset under the action of the first spring 73, the abutting of the trapezoid block 79 is relieved, the clamping block 78 is reset under the action of the second spring 77, the cleaning plate 710 moves rightwards, the first spring 72 penetrates through the first spring 73, the bottom of the first spring 73 is fixedly connected with the inner wall of the fixed frame 74, the surface of the melting block 3 of the melting block 74 is fixedly connected with the bottom of the right side of the clamping block 78, and the bottom of the right side of the fixing block 76 is fixedly connected with the bottom of the right side of the clamping block 78, and the bottom of the fixing block 76 is fixedly connected with the bottom of the right side of the clamping block 75, and the bottom of the fixing block 76 is fixedly connected with the bottom of the clamping block 75.

Working principle: the anti-blocking device 7 is arranged to prevent the injection molding pipe 5 from being blocked, after the pressing block 71 is pressed, the first vertical rod 72 moves downwards under the cooperation of the first spring 73, the first vertical rod 72 collides with the trapezoid block 79 at the top of the clamping block 78 when moving downwards, the trapezoid block 79 moves the clamping block 78 leftwards when the first vertical rod 72 continues to move downwards, the cleaning plate 710 cleans plastic residues at the bottom of the injection molding cylinder 4 when the clamping block 78 moves leftwards, thus blocking is prevented, after the pressing block 71 is released, the first vertical rod 72 resets under the action of the first spring 73, the collision of the trapezoid block 79 is relieved, then the clamping block 78 resets under the action of the second spring 77, so that the cleaning plate 710 moves rightwards, the injection molding cylinder 4 is cleaned for the second time, the mold box 6 can not be opened when the temperature is high by arranging the protecting device 8, when the temperature is reduced, the heat conducting plate 81 can be opened to prevent scalding, when the temperature in the die box 6 is too high, the heat conducting plate 81 can guide heat into the thermal expansion frame 82, at the moment, carbon dioxide gas in the thermal expansion frame 82 can expand under the action of thermal expansion and cold contraction, so that the piston plate 83 moves rightwards, after a certain distance of movement, the vertical block 87 at the top of the cross rod 86 can be abutted, so that the cross rod 86 is driven to move rightwards, when the cross rod 86 moves rightwards, the inclined rod 88 rotates, the vertical rod II 89 can be downwards moved and clamped in the clamping groove, at the moment, the die box 6 is not opened, after the die box 6 is cooled, the piston plate 83 can move leftwards, at the moment, the vertical block 87 can not be abutted continuously, then the cross rod 86 can be reset under the action of the spring III 85, so that the vertical rod II 89 moves upwards and leaves from the clamping groove, the mould box 6 can now be opened.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a plastics injection molding machine that possesses anti-blocking function, includes base (1), its characterized in that: the bottom of base (1) and the top fixed connection of supporting leg (2), the top of base (1) and the bottom fixed connection of melting case (3), the top of melting case (3) is provided with injection molding section of thick bamboo (4), the right side of melting case (3) and the left side fixed connection of moulding plastics pipe (5), the right side of moulding plastics pipe (5) and the left side fixed connection of mould case (6), the inside of melting case (3) is provided with anti-blocking device (7), the inside of mould case (6) is provided with protector (8), protector (8) include conducting strip (81), thermal expansion frame (82), piston plate (83), fixed block two (84), spring three (85), horizontal pole (86), perpendicular piece (87), diagonal bar (88), montant two (89), baffle (810), anti-blocking device (7) include:

the bottom of the pressing block (71) is fixedly connected with the top of the first vertical rod (72);

a first vertical rod (72), wherein the first vertical rod (72) penetrates through the first spring (73);

the bottom of the first spring (73) is fixedly connected with the inner wall of the fixed frame (74);

the surface of the fixed frame (74) is fixedly connected with the inner wall of the melting box (3);

the anti-blocking frame (75) is fixedly connected with the inner wall of the melting box (3) on the surface of the anti-blocking frame (75);

the first fixing block (76), the bottom of the first fixing block (76) is fixedly connected with the inner wall of the anti-blocking frame (75);

the right side of the spring II (77) is fixedly connected with the left side of the fixed block I (76);

the bottom of the clamping block (78) is in sliding connection with the inner wall of the anti-blocking frame (75);

the bottom of the trapezoid block (79) is fixedly connected with the top of the clamping block (78);

and the right side of the cleaning plate (710) is fixedly connected with the left side of the clamping block (78).

2. The plastic injection molding machine with anti-blocking function according to claim 1, wherein: the heat conducting fin (81) penetrates through the thermal expansion frame (82), the bottom of the thermal expansion frame (82) is fixedly connected with the top of the partition plate (810), the surface of the piston plate (83) is in piston connection with the inner wall of the thermal expansion frame (82), the bottom of the second fixing block (84) is fixedly connected with the top of the partition plate (810), the right side of the third spring (85) is fixedly connected with the left side of the cross rod (86), the bottom of the cross rod (86) is in sliding connection with the top of the partition plate (810), the bottom of the vertical block (87) is fixedly connected with the top of the cross rod (86), one end of the inclined rod (88) is hinged to the right side of the cross rod (86), and the other end of the inclined rod (88) is hinged to the top of the second vertical rod (89), and two ends of the partition plate (810) are fixedly connected with the inner wall of the die box (6).

3. The plastic injection molding machine with anti-blocking function according to claim 1, wherein: the top of the injection molding cylinder (4) is provided with a groove.

4. The plastic injection molding machine with anti-blocking function according to claim 1, wherein: the inside of the die box (6) is provided with a clamping groove.

5. The plastic injection molding machine with anti-blocking function according to claim 1, wherein: the melting box (3) is internally provided with a cavity.

6. The plastic injection molding machine with anti-blocking function according to claim 1, wherein: the piston plate (83) penetrates through the thermal expansion frame (82).