CN215095358U - Automatic cutting mechanism for in-mold gate of injection molding machine - Google Patents
Automatic cutting mechanism for in-mold gate of injection molding machine Download PDFInfo
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- CN215095358U CN215095358U CN202120773430.2U CN202120773430U CN215095358U CN 215095358 U CN215095358 U CN 215095358U CN 202120773430 U CN202120773430 U CN 202120773430U CN 215095358 U CN215095358 U CN 215095358U
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Abstract
The utility model discloses an automatic cutting mechanism for a sprue in an injection molding machine mould, which comprises a panel, a front mould frame, an installation frame and a rear mould frame which are arranged from top to bottom in sequence, wherein a positioning ring is fixed on the upper edge of a hole of the panel, a sprue cup is fixed on the front mould frame, a sprue is arranged at the upper part of the sprue cup, a plurality of first runners are arranged at the lower part of the sprue cup, and a plurality of second runners are arranged at the middle part of the installation frame; horizontal sliding cavity has inwards been seted up to the installing frame upper end, and the restriction that slides in the horizontal sliding cavity has the cutter board, and the cutter board package rubbing board body, rectangular channel have been seted up to one side of plate body, and the bilateral symmetry of rectangular channel is equipped with the dogtooth, and the circle is cut the hole has been seted up to the opposite side of plate body, and the inside of rectangular channel is equipped with incomplete gear, and incomplete gear is rotated by external motor system drive. The utility model has the advantages of reasonable design, it replaces current micro motor or cylinder to provide power through setting up external motor system, when reducing the inside overall arrangement degree of difficulty of mould, can provide sufficient power and cut off.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to an automatic shedding mechanism of runner in injection molding machine mould.
Background
Generally, after the plastic part is subjected to injection molding, a stub bar is connected with a product through a sprue, a worker needs to trim the sprue, the labor intensity is high, and the sprue is not attractive in trimming. The existing solution is to push a cutter out of a top plate to cut off a sprue during mold opening, and the two methods are to cut after mold opening, because the plastic is cooled at the moment, the cut sprue surface is not attractive, the product quality is not good, the sprue can be trimmed and leveled only by manual trimming for many times, the labor intensity is still high, and the labor cost is increased. The in-mold hot cutting is the mold injection molding automatic process of cutting or extruding off the sprue before the plastic mold is opened, so that the separation of the parts and the materials is realized after the plastic mold is opened.
The traditional automatic cutting mechanism for the in-mold sprue of the injection molding machine has the defects in the use process, and firstly, the automatic cutting mechanism can only cut off a single sprue runner and cannot cut off multiple sprue runners in batches; secondly, a micro motor or an air cylinder needs to be arranged in the die, so that the setting difficulty is high, the power is not ideal enough, and the cutting effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide an automatic excision mechanism of runner in injection molding machine mould.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
an automatic cutting mechanism for a sprue in an injection molding machine mould comprises a panel, a front mould frame, an installation frame and a rear mould frame which are sequentially arranged from top to bottom, wherein a hollow hole is formed in the center of the panel, a positioning ring is fixed on the upper edge of the hole, a sprue cup is fixed on the front mould frame below the positioning ring, a sprue is arranged at the upper part of the sprue cup, a plurality of first runners communicated with the sprue are arranged at the lower part of the sprue cup, a plurality of second runners are arranged in the middle of the installation frame, an upper mould cavity communicated with the plurality of first runners is inwards formed at the lower end of the installation frame, a lower mould cavity is formed at the upper side of the rear mould frame, and the upper mould cavity and the lower mould cavity jointly form an injection molding cavity; the utility model discloses a horizontal sliding cavity, including mounting frame, horizontal sliding cavity, cutting plate, rectangular groove, protruding tooth, circular cutting hole, incomplete gear is rotatory by external motor system drive, and then drives cutting plate and carry out the horizontal displacement action along horizontal sliding cavity, the horizontal sliding cavity has inwards been seted up to the mounting frame upper end, the restriction of sliding in the horizontal sliding cavity has cutting plate, cutting plate package rubbing board body, and the rectangular groove has been seted up to one side of plate body, bilateral symmetry is equipped with the protruding tooth around the inside of rectangular groove, the opposite side of plate body is seted up and is used for communicateing first runner and correspond the circular cutting hole of second runner, the inside of rectangular groove is equipped with the incomplete gear with protruding tooth meshing, incomplete gear is rotated by external motor system drive, and then drives cutting plate and carries out the horizontal displacement action along horizontal sliding cavity.
Furthermore, in the automatic cutting mechanism for the in-mold gate of the injection molding machine, the panel and the front mold frame are fixed through bolts located at four corners, and the bottom end of the mounting frame is provided with the rear mold frame capable of being separated.
Further, in the automatic cutting mechanism for the in-mold gate of the injection molding machine, a clamping groove is formed in the lower side of the front mold frame, a clamping block matched with the clamping groove is arranged on the upper side of the mounting frame, a fastening screw is screwed at the side end of the mounting frame, and a fastening hole matched with the fastening screw is formed in the clamping block.
Further, among the automatic excision mechanism of runner in above-mentioned injection molding machine mould, external motor system includes external servo motor, first gear, second gear and transmission shaft, external servo motor's output shaft is fixed with first gear, the upper end of transmission shaft is fixed with the second gear, first gear and second gear intermeshing, the lower extreme of transmission shaft carries out removable the fixing through joint mode and incomplete gear.
Further, in the automatic resection mechanism of runner in above-mentioned injection molding machine mould, external servo motor fixes in the outside of panel, the first rotary tank of the output shaft activity of being convenient for external servo motor is seted up to the inside of panel, the upside of front mould frame is seted up with first gear and second gear complex second rotary tank, the inside of front mould frame is seted up with transmission shaft complex third rotary tank.
Further, in the automatic cutting mechanism for the in-mold gate of the injection molding machine, the lower end of the transmission shaft is provided with a cross key head, and the central through hole of the incomplete gear is provided with a cross key groove.
Further, in the automatic cutting mechanism for the in-mold gate of the injection molding machine, the thickness of the incomplete gear is equal to the thickness of the plate body of the cutter plate.
Furthermore, in the automatic cutting mechanism for the in-mold gate of the injection molding machine, the plate body of the cutter plate is provided with guide convex strips which are parallel to each other on the front side and the rear side of the rectangular groove, the upper wall and the lower wall of the horizontal sliding cavity are provided with guide line grooves matched with the guide convex strips, and the length of each guide line groove is greater than that of each guide convex strip.
Furthermore, in the automatic cutting mechanism for the injection molding machine mold gate, a convex edge is arranged on the inner wall of the plate body of the cutter plate, which is positioned in the circular cutting hole, and the cross section of the convex edge is triangular.
Further, in the automatic cutting mechanism for the in-mold gate of the injection molding machine, the displacement stroke value of the cutter plate is larger than the outer diameter of the circular cutting hole each time.
The utility model has the advantages that:
the utility model has reasonable structural design, on one hand, the external motor system is arranged to replace the existing micro motor or air cylinder to provide power, so that the internal layout difficulty of the die is reduced, and meanwhile, enough power can be provided to cut off; the external motor system of on the other hand, the cooperation of incomplete gear is used, can drive the reciprocal displacement of cutter board intermittent type formula, and when the circle cut hole of cutter board communicates first runner with corresponding second runner, can normally mould plastics, can cut off the operation when the cutter board continues the displacement, can realize cutting off in batches many runners through this kind of mode.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the usage state of the present invention;
fig. 2 is a schematic structural view of the external motor system and the incomplete gear of the present invention;
fig. 3 is a schematic structural view of the first gear and the second gear engaged with each other according to the present invention;
FIG. 4 is a schematic structural view of a middle cutting board according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-panel, 2-front die frame, 3-mounting frame, 4-rear die frame, 5-positioning ring, 6-pouring cup, 7-first runner, 8-second runner, 9-injection molding cavity, 10-horizontal sliding cavity, 11-cutter plate, 111-plate body, 112-rectangular groove, 113-convex tooth, 114-circular cutting hole, 115-guiding convex strip, 12-incomplete gear, 13-external servo motor, 14-first gear, 15-second gear, 16-transmission shaft, 17-bolt, 18-fixture block and 19-fastening screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is an automatic mold gate removing mechanism for an injection molding machine, including a panel 1, a front mold frame 2, a mounting frame 3, and a rear mold frame 4, which are sequentially disposed from top to bottom, where the panel 1 and the front mold frame 2 are fixed by bolts 17 located at four corners, a clamping groove is disposed at a lower side of the front mold frame 2, a clamping block 18 matched with the clamping groove is disposed at an upper side of the mounting frame 3, a fastening screw 19 is screwed at a side end of the mounting frame 3, and the clamping block 18 is provided with a fastening hole matched with the fastening screw 19. The bottom end of the mounting frame 3 is provided with a separable rear mold frame 4. The mounting frame 3 and the rear mold frame 4 can be matched or separated by using guide pillars, so that the material taking work is performed after the injection molding is finished.
In this embodiment, the center of the panel 1 is provided with a hollow hole, the upper edge of the hollow hole is fixed with a positioning ring 5, and the front mold frame 2 is located below the positioning ring 5 and fixed with a pouring cup 6. The upper part of the pouring cup 6 is provided with a pouring gate, and the lower part is provided with a plurality of first flow passages 7 communicated with the pouring gate. A plurality of second flow channels 8 are formed in the middle of the mounting frame 3, an upper cavity communicated with the first flow channels is formed in the lower end of the mounting frame 3 inwards, a lower cavity is formed in the upper side of the rear mold frame 4, and the upper cavity and the lower cavity jointly form an injection molding cavity 9.
In this embodiment, a horizontal sliding cavity 10 is formed inward at the upper end of the mounting frame 3, and a cutter plate 11 is slidably limited in the horizontal sliding cavity 10. The cutter plate 11 comprises a plate body 111, a rectangular groove 112 is formed in one side of the plate body 111, protruding teeth 113 are symmetrically arranged on the front side and the rear side of the inside of the rectangular groove 112, circular cutting holes 114 used for communicating the first flow channel 7 with the corresponding second flow channel 8 are formed in the other side of the plate body 11, an incomplete gear 12 meshed with the protruding teeth 113 is arranged inside the rectangular groove 112, the incomplete gear 12 is driven by an external motor system to rotate, and then the cutter plate 11 is driven to move horizontally along a horizontal sliding cavity.
In this embodiment, the external motor system includes external servo motor 13, first gear 14, second gear 15 and transmission shaft 16, and the output shaft of external servo motor 13 is fixed with first gear 14, and the upper end of transmission shaft 16 is fixed with second gear 15, and first gear 14 and second gear 15 intermeshing, the lower extreme of transmission shaft 16 carries out removable the fixing through joint mode and incomplete gear 12. The lower end of the transmission shaft 16 is provided with a cross key head, and the central through hole of the incomplete gear 12 is provided with a cross key slot.
In this embodiment, the external servo motor 13 is fixed in the outer side of the panel 1, a first rotary groove convenient for the output shaft of the external servo motor 13 to move is formed in the panel 1, a second rotary groove matched with the first gear 14 and the second gear 15 is formed in the upper side of the front mold frame 2, and a third rotary groove matched with the transmission shaft 16 is formed in the front mold frame 2.
In the present embodiment, the thickness of the incomplete gear 12 is equal to the thickness of the plate body 111 of the cutter plate 11. The front and rear sides of the plate body 111 of the cutter plate 11, which are positioned outside the rectangular groove 112, are provided with guide convex strips 115 which are parallel to each other, the upper wall and the lower wall of the horizontal sliding cavity 10 are provided with guide line grooves matched with the guide convex strips 115, and the length of the guide line grooves is greater than that of the guide convex strips 115. The inner wall of the plate body 111 of the cutter plate 11, which is located in the circular cutting hole 114, is provided with a convex edge, and the cross section of the convex edge is triangular. The displacement stroke value of the cutter plate 11 every time is larger than the outer diameter of the circular cutting hole 114, and complete cutting is guaranteed.
One specific application of this embodiment is: the structure of the embodiment is reasonable in design, the external motor system is arranged to replace the existing micro motor or air cylinder to provide power, the internal layout difficulty of the die is reduced, and meanwhile, enough power can be provided for cutting off; the external motor system and the incomplete gear 12 are matched for use, the cutter plate 11 can be driven to intermittently reciprocate, when the first flow channel 7 and the corresponding second flow channel 8 are communicated through the circular cutting hole 114 of the cutter plate 11, the injection molding can be normally carried out, the cutting operation can be carried out when the cutter plate 11 continues to move, and the multi-sprue flow channel can be cut off in batches through the mode.
The preferred embodiments of the present invention disclosed above are only advantageous to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an automatic wiper mechanism of runner in injection molding machine mould which characterized in that: the die comprises a panel, a front die frame, an installation frame and a rear die frame which are sequentially arranged from top to bottom, wherein a hollow hole is formed in the center of the panel, a positioning ring is fixed on the upper edge of the hole, a sprue cup is fixed below the positioning ring of the front die frame, a sprue is arranged at the upper part of the sprue cup, a plurality of first runners communicated with the sprue are arranged at the lower part of the sprue cup, a plurality of second runners are arranged in the middle of the installation frame, an upper die cavity communicated with the plurality of first runners is inwards formed at the lower end of the installation frame, a lower die cavity is formed at the upper side of the rear die frame, and the upper die cavity and the lower die cavity jointly form an injection molding cavity; the utility model discloses a horizontal sliding device, including mounting frame, horizontal sliding cavity, cutting plate, rectangular groove, protruding tooth, circular cutting hole, incomplete gear is rotatory by external motor system drive, and then drives cutting plate and carry out the horizontal displacement action along horizontal sliding cavity, the horizontal sliding cavity has inwards been seted up to the mounting frame upper end, the restriction of sliding in the horizontal sliding cavity has cutting plate, cutting plate package rubbing board body, and the rectangular groove has been seted up to one side of plate body, the bilateral symmetry of rectangular groove is equipped with the protruding tooth, the circular cutting hole that is used for communicateing first runner and corresponds the second runner is seted up to the opposite side of plate body, the inside of rectangular groove is equipped with the incomplete gear with protruding tooth meshing, incomplete gear is rotated by external motor system drive, and then drives cutting plate and carries out the horizontal displacement action along horizontal sliding cavity.
2. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the panel and the front mold frame are fixed through bolts located at four corners, and the bottom end of the mounting frame is provided with a separable rear mold frame.
3. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the lower side of the front mold frame is provided with a clamping groove, the upper side of the mounting frame is provided with a clamping block matched with the clamping groove, the side end of the mounting frame is in threaded connection with a fastening screw, and the clamping block is provided with a fastening hole matched with the fastening screw.
4. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the external motor system comprises an external servo motor, a first gear, a second gear and a transmission shaft, wherein the output shaft of the external servo motor is fixed with the first gear, the upper end of the transmission shaft is fixed with the second gear, the first gear and the second gear are meshed with each other, and the lower end of the transmission shaft is detachably fixed with the incomplete gear in a clamping mode.
5. The automatic gate cutting mechanism of an injection molding machine according to claim 4, characterized in that: the external servo motor is fixed on the outer side of the panel, a first rotary groove convenient for the output shaft of the external servo motor to move is formed in the panel, a second rotary groove matched with the first gear and the second gear is formed in the upper side of the front mold frame, and a third rotary groove matched with the transmission shaft is formed in the front mold frame.
6. The automatic gate cutting mechanism of an injection molding machine according to claim 4, characterized in that: the lower end of the transmission shaft is provided with a cross key head, and the central through hole of the incomplete gear is provided with a cross key groove.
7. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the thickness of the incomplete gear is equal to the thickness of the plate body of the cutter plate.
8. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the plate body of the cutting board is provided with guide convex strips which are parallel to each other on the front side and the rear side of the rectangular groove, the upper wall and the lower wall of the horizontal sliding cavity are provided with guide wire grooves matched with the guide convex strips, and the length of each guide wire groove is greater than that of each guide convex strip.
9. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the inner wall of the plate body of the cutter plate, which is positioned in the circular cutting hole, is provided with a convex edge, and the cross section of the convex edge is triangular.
10. The automatic gate cutting mechanism of an injection molding machine according to claim 1, characterized in that: the displacement stroke value of the cutter plate every time is larger than the outer diameter of the circular cutting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120773430.2U CN215095358U (en) | 2021-04-16 | 2021-04-16 | Automatic cutting mechanism for in-mold gate of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120773430.2U CN215095358U (en) | 2021-04-16 | 2021-04-16 | Automatic cutting mechanism for in-mold gate of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215095358U true CN215095358U (en) | 2021-12-10 |
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ID=79266273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120773430.2U Active CN215095358U (en) | 2021-04-16 | 2021-04-16 | Automatic cutting mechanism for in-mold gate of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215095358U (en) |
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2021
- 2021-04-16 CN CN202120773430.2U patent/CN215095358U/en active Active
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