CN210999792U - Top mold push block device for preventing wave flow marks of injection molding products - Google Patents
Top mold push block device for preventing wave flow marks of injection molding products Download PDFInfo
- Publication number
- CN210999792U CN210999792U CN201921934216.XU CN201921934216U CN210999792U CN 210999792 U CN210999792 U CN 210999792U CN 201921934216 U CN201921934216 U CN 201921934216U CN 210999792 U CN210999792 U CN 210999792U
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- ejector pad
- fixed
- conducting plate
- injection molding
- wave flow
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract 2
- 238000013461 design Methods 0.000 abstract description 4
- 239000011344 liquid material Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 14
- 239000000126 substance Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a prevent that injection moulding product from appearing ripples trace's top mould ejector pad device, including top mould board, inside heating pipe, side fixed block and tongue, the lower surface intermediate position of top mould board is fixed with the top ejector pad, the side of intake pipe is fixed with the transmission pump, and the transmission pump passes through the one end interconnect of connecting pipe with the box, inside heating pipe installs the inside intermediate position at the top ejector pad, and the inboard reservation of top ejector pad has the inner chamber, the fixed block welding is in the side of side heat-conducting plate, and the fixed block passes through supporting spring and locating lever interconnect, the side pole is installed to the outside bilateral symmetry of locating lever, the inboard of spout is provided with the gyro wheel. This top mould ejector pad device that prevents that wave flow mark from appearing in injection moulding product adopts neotype structural design for this device is convenient for carry out the pressurize to the product of moulding plastics, can heat the liquid material of moulding plastics simultaneously, avoids injection moulding product to form the wave flow mark.
Description
Technical Field
The utility model relates to a mould injection technology field specifically is a top mould ejector pad device that prevents that wave flow trace from appearing in injection moulding product.
Background
The injection molding of the mold is to introduce liquid substances into the mold, form an object with a certain shape structure through a cavity of the mold, and be widely used in industrial processing.
With the continuous processing and use of the top die push block, the following problems are found in the use process:
1. in the use process of injection molding processing of some existing top push blocks, liquid substances enter a mold through continuous injection molding, the pressure of the liquid substances changes, the top push blocks do not have a pressure maintaining function, and solidified products are easy to form wave flow marks.
2. In the injection molding process of some top push blocks, the injection molding speed is too slow, and partial liquid substances enter the mold and then are cooled and solidified to generate certain layering with the liquid substances entering later, and wave flow marks are easy to generate.
Therefore, it is necessary to design a top mold ejector apparatus for preventing the occurrence of wave flow marks in injection molded products in view of the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a top mould ejector pad device that wave flow trace appears in preventing injection moulding product to propose some current top ejector pads in the solution above-mentioned background art and mould plastics the in-process and do not possess the pressurize function, do not possess the heating function simultaneously, produce layering and wave flow trace scheduling problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: a top die push block device for preventing an injection molding product from generating ripples marks comprises a top die plate, an internal heating pipe, a side edge fixing block and a convex groove, wherein a top push block is fixed at the middle position of the lower surface of the top die plate, a pressure detector is connected inside the left side of the top push block in a penetrating manner, an air inlet pipe is arranged on the upper surface of the top push block, a transmission pump is fixed on the side surface of the air inlet pipe and is connected with one end of a box body through a connecting pipe, an air outlet pipe is arranged at the other end of the box body, upper heating pipes are symmetrically fixed on the two sides of the upper surface of the box body, the internal heating pipe is arranged at the middle position inside the top push block, an inner cavity is reserved on the inner side of the top push block, an internal heat-conducting plate is arranged inside the top push block, a side edge heat-conducting, and the fixed block passes through supporting spring and locating lever interconnect to the locating lever is fixed in the side of lug, the outside bilateral symmetry of locating lever is installed the side pole, and the inboard of side pole has seted up the spout, and the side-mounting of spout has the dull polish board, the inboard of spout is provided with the gyro wheel, and the gyro wheel passes through pivot and round bar interconnect, and the outside both sides at the fixed block are fixed to the round bar symmetry.
Preferably, the air inlet pipe, the transmission pump, the connecting pipe, the box body and the air outlet pipe form a hot air pressure circulating system, and the transmission pump is electrically connected with the pressure detector.
Preferably, the positions of the inner heat-conducting plate and the side heat-conducting plate correspond to each other, and the side heat-conducting plate and the inner heat-conducting plate are distributed on two sides of the inner cavity.
Preferably, the fixed block and the positioning rod form a telescopic structure, the fixed block and the positioning rod form an elastic structure through a supporting spring, and the longitudinal section view of the fixed block is of an inverted I-shaped structure.
Preferably, the round bar is fixedly connected with the fixed block, the round bar and the side bar form a sliding structure through the idler wheel and the sliding groove, and the length of the sliding groove is equal to that of the sanding plate.
Preferably, the convex grooves are arranged on the side surface of the inner cavity at equal intervals, and the convex grooves are of arc-shaped structures.
Compared with the prior art, the beneficial effects of the utility model are that: the top die push block device for preventing the wave flow marks from occurring on the injection molding product adopts a novel structural design, so that the device can maintain the pressure of the injection molding product and heat the injection molding liquid substance, thereby avoiding the problems of layering or wave flow marks and the like after the product is solidified;
1. the fixed block is arranged on the elastic structure, the roller is arranged on the sliding structure, when liquid materials enter a die cavity in an injection molding mode, the pressure of the liquid materials changes in the injection molding process and the cooling solidification process, the structure can maintain pressure of products, and gas circulating in the inner cavity can increase the pressure maintaining effect of the top push block, so that wave flow marks are avoided;
2. the internal heating pipe can heat the gas in the inner chamber, the upper heating pipe can heat the gas that circulates and flows, this part heat passes through on internal heat-conducting plate and the inside injection moulding product of die cavity is given to the side heat-conducting plate transmission for the in-process liquid object of moulding plastics keeps the temperature unanimous all the time, avoids partial liquid material to solidify the drying earlier, makes fashioned product produce layering and ripples and flow mark scheduling problem.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
fig. 2 is a schematic view of the front cross-sectional structure of the fixing block and the bump of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the front partial sectional structure of the top push block of the present invention.
In the figure: 1. a top mold plate; 2. a top push block; 3. a pressure detector; 4. an air inlet pipe; 5. a transfer pump; 6. a connecting pipe; 7. a box body; 8. an air outlet pipe; 9. an upper heating pipe; 10. an internal heating tube; 11. an inner cavity; 12. an inner heat-conducting plate; 13. a side heat-conducting plate; 14. a fixed block; 15. a support spring; 16. positioning a rod; 17. a bump; 18. a side bar; 19. a chute; 20. sanding a plate; 21. a roller; 22. a rotating shaft; 23. a round bar; 24. a convex groove.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a top mold push block device for preventing an injection molding product from wave flow marks comprises a top mold plate 1, a top push block 2, a pressure detector 3, an air inlet pipe 4, a transmission pump 5, a connecting pipe 6, a box body 7, an air outlet pipe 8, an upper heating pipe 9, an internal heating pipe 10, an inner cavity 11, an internal heat conduction plate 12, a side heat conduction plate 13, a fixing block 14, a supporting spring 15, a positioning rod 16, a lug 17, a side rod 18, a sliding groove 19, a grinding plate 20, a roller 21, a rotating shaft 22, a round rod 23 and a convex groove 24, wherein the top push block 2 is fixed at the middle position of the lower surface of the top mold plate 1, the pressure detector 3 is connected inside the left side of the top push block 2 in a penetrating manner, the air inlet pipe 4 is installed on the upper surface of the top push block 2, the transmission pump 5 is fixed on the side surface of the air inlet pipe 4, the transmission pump 5 is connected, meanwhile, upper heating pipes 9 are symmetrically fixed on two sides of the inner upper surface of the box body 7, an inner heating pipe 10 is installed in the middle position inside the top push block 2, an inner cavity 11 is reserved on the inner side of the top push block 2, and the inside of the top push block 2 is provided with an inner heat conducting plate 12, the side surface of the inner cavity 11 is fixed with a side heat conducting plate 13, a fixing block 14 is welded on the side surface of the side heat conducting plate 13, the fixing block 14 is mutually connected with a positioning rod 16 through a supporting spring 15, the positioning rod 16 is fixed on the side surface of the lug 17, the two sides of the outer part of the positioning rod 16 are symmetrically provided with side rods 18, the inner sides of the side rods 18 are provided with sliding grooves 19, and a sanding plate 20 is installed on the side of the chute 19, a roller 21 is arranged on the inner side of the chute 19, and the rollers 21 are connected with the round bar 23 through the rotating shaft 22, and the round bar 23 is symmetrically fixed at both outer sides of the fixed block 14.
In the embodiment, the air inlet pipe 4, the transmission pump 5, the connecting pipe 6, the box body 7 and the air outlet pipe 8 form a hot air pressure circulating system, the transmission pump 5 is electrically connected with the pressure detector 3, and the structural design is convenient for circularly heating the air in the inner cavity 11;
the positions of the inner heat-conducting plate 12 and the side heat-conducting plate 13 are corresponding to each other, the side heat-conducting plate 13 and the inner heat-conducting plate 12 are distributed on two sides of the inner cavity 11, and the inner heat-conducting plate 12 and the side heat-conducting plate 13 are convenient for heat transmission;
the fixed block 14 and the positioning rod 16 form a telescopic structure, the fixed block 14 and the positioning rod 16 form an elastic structure through a supporting spring 15, and the longitudinal section view of the fixed block 14 is in an inverted I-shaped structure, so that pressure maintaining is facilitated due to the arrangement of the structure;
the round rod 23 is fixedly connected with the fixed block 14, the round rod 23 and the side rod 18 form a sliding structure through the roller 21 and the sliding groove 19, the length of the sliding groove 19 is equal to that of the sanding plate 20, the friction force between the sanding plate 20 and the roller 21 is large, and the sliding difficulty of the roller 21 is increased;
the convex grooves 24 are arranged on the side surface of the inner cavity 11 at equal intervals, the convex grooves 24 are of arc-shaped structures, and the arrangement of the convex grooves 24 can increase the area for receiving heat and increase the effect of transmitting heat.
The working principle is as follows: when the device is used, firstly, according to the structure shown in figure 1, in the injection molding process and the drying process of the liquid substance in the cavity, the top mold plate 1 and the bottom mold plate are mutually installed, the top push block 2 and the cavity at the bottom form a complete closed cavity, the injected liquid substance is guided into the cavity, the pressure detector 3 is adjusted to corresponding pressure data and is connected with the power supply of the transmission pump 5, the internal heating pipe 10 and the upper heating pipe 9, the pressure in the cavity is gradually changed in the injection molding and cooling process, the liquid substance extrudes the top push block 2, the lug 17 and the positioning rod 16 move to the side, the supporting spring 15 is compressed, the roller 21 slides in the sliding groove 19, the grinding plate 20 is installed on the inner side of the sliding groove 19, the friction force between the roller 21 and the grinding plate 20 is large, the roller 21 is difficult to slide, the structure can maintain the pressure of the liquid substance in the cavity to a certain degree, meanwhile, if the pressure maintaining effect of the structure is limited, the transmission pump 5 transmits gas in the box body 7 into the inner cavity 11 through the gas inlet pipe 4, the pressure value of the gas in the inner cavity 11 is maintained, the pressure detector 3 detects the value of the gas pressure in the inner cavity 11, if the pressure changes, the pressure detector 3 transmits a signal to the transmission pump 5, the gas pressure in the inner cavity 11 is adjusted, the liquid substance in the cavity is maintained, and wave flow marks are avoided;
subsequently, according to the structure shown in fig. 1, fig. 2, fig. 3 and fig. 4, in the process of injection molding of the liquid substance in the cavity, the power supply of the upper heating pipe 9, the internal heating pipe 10 and the transmission pump 5 are connected, the upper heating pipe 9 heats the gas in the box body 7, the heated gas enters the inner cavity 11 through the transmission pump 5, the hot gas in the inner cavity 11 is reheated by the internal heating pipe 10, the gas is transmitted outwards through the internal heat conduction plate 12 and the side heat conduction plate 13, the temperature uniformity of the liquid substance in the cavity during injection molding is ensured, and the phenomena of layering and wave flow marks are avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent that injection moulding product from appearing ripples trace's top mould ejector pad device, includes top mould board (1), inside heating pipe (10), side fixed block (14) and tongue (24), its characterized in that: the lower surface intermediate position of top mould board (1) is fixed with top ejector pad (2), and the inside run-through connection in left side of top ejector pad (2) has pressure detector (3), and the upper surface mounting of top ejector pad (2) has intake pipe (4), the side of intake pipe (4) is fixed with transmission pump (5), and transmission pump (5) pass through connecting pipe (6) and the one end interconnect of box (7), and outlet duct (8) are installed to the other end of box (7), the inside upper surface bilateral symmetry of box (7) is fixed with upper portion heating pipe (9) simultaneously, inside heating pipe (10) are installed in the inside intermediate position of top ejector pad (2), and the inboard reservation of top ejector pad (2) has inner chamber (11), and the internally mounted of top ejector pad (2) has inside heat-conducting plate (12), the side of inner chamber (11) is fixed with side heat-conducting plate (13) simultaneously, fixed block (14) welding is in the side of side heat-conducting plate (13), and fixed block (14) pass through supporting spring (15) and locating lever (16) interconnect to the side at lug (17) is fixed in locating lever (16), side pole (18) are installed to the outside bilateral symmetry of locating lever (16), and the inboard of side pole (18) has seted up spout (19), and the side-mounting of spout (19) has dull polish board (20), the inboard of spout (19) is provided with gyro wheel (21), and gyro wheel (21) through pivot (22) and round bar (23) interconnect to the outside both sides at fixed block (14) are fixed to round bar (23) symmetry.
2. The top mold ejector device for preventing the wave flow mark of the injection molding product according to claim 1, wherein: the hot air pressure circulating system is composed of the air inlet pipe (4), the transmission pump (5), the connecting pipe (6), the box body (7) and the air outlet pipe (8), and the transmission pump (5) is electrically connected with the pressure detector (3).
3. The top mold ejector device for preventing the wave flow mark of the injection molding product according to claim 1, wherein: the positions of the inner heat-conducting plate (12) and the side heat-conducting plate (13) are corresponding to each other, and the side heat-conducting plate (13) and the inner heat-conducting plate (12) are distributed on two sides of the inner cavity (11).
4. The top mold ejector device for preventing the wave flow mark of the injection molding product according to claim 1, wherein: the fixing block (14) and the positioning rod (16) form a telescopic structure, the fixing block (14) and the positioning rod (16) form an elastic structure through a supporting spring (15), and the longitudinal section view of the fixing block (14) is of an inverted I-shaped structure.
5. The top mold ejector device for preventing the wave flow mark of the injection molding product according to claim 1, wherein: the round rod (23) is fixedly connected with the fixed block (14), the round rod (23) forms a sliding structure with the side rod (18) through the roller (21) and the sliding groove (19), and the length of the sliding groove (19) is equal to that of the sanding plate (20).
6. The top mold ejector device for preventing the wave flow mark of the injection molding product according to claim 1, wherein: the convex grooves (24) are arranged on the side surface of the inner cavity (11) at equal intervals, and the convex grooves (24) are of arc-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934216.XU CN210999792U (en) | 2019-11-11 | 2019-11-11 | Top mold push block device for preventing wave flow marks of injection molding products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921934216.XU CN210999792U (en) | 2019-11-11 | 2019-11-11 | Top mold push block device for preventing wave flow marks of injection molding products |
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| Publication Number | Publication Date |
|---|---|
| CN210999792U true CN210999792U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921934216.XU Expired - Fee Related CN210999792U (en) | 2019-11-11 | 2019-11-11 | Top mold push block device for preventing wave flow marks of injection molding products |
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| CN (1) | CN210999792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936000A (en) * | 2021-12-16 | 2022-01-14 | 武汉欧易塑胶包装有限公司 | Injection molding wave flow mark identification method based on image processing |
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2019
- 2019-11-11 CN CN201921934216.XU patent/CN210999792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113936000A (en) * | 2021-12-16 | 2022-01-14 | 武汉欧易塑胶包装有限公司 | Injection molding wave flow mark identification method based on image processing |
| CN113936000B (en) * | 2021-12-16 | 2022-03-15 | 武汉欧易塑胶包装有限公司 | Injection molding wave flow mark identification method based on image processing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 |