CN113305375A - Multi-sprue machining device for injection mold - Google Patents
Multi-sprue machining device for injection mold Download PDFInfo
- Publication number
- CN113305375A CN113305375A CN202110607538.9A CN202110607538A CN113305375A CN 113305375 A CN113305375 A CN 113305375A CN 202110607538 A CN202110607538 A CN 202110607538A CN 113305375 A CN113305375 A CN 113305375A
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- Prior art keywords
- electrode
- injection mold
- cylinder wall
- oil
- muscle
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- 238000003754 machining Methods 0.000 title claims abstract description 17
- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 48
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 210000003205 muscle Anatomy 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000010892 electric spark Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/08—Working media
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a multi-sprue processing device for an injection mold, which relates to the field of submarine sprue processing equipment for the injection mold, and comprises an electrode chuck, wherein an electrode lower pressing column is clamped below the electrode chuck, an electrode mounting disc is connected below the electrode lower pressing column, a plurality of inclined pressing ribs are arranged on the side surface of the electrode lower pressing column, an electrode driving device is connected to the side surface of each inclined pressing rib in a sliding manner, and a submarine sprue electrode is connected to the top end of the motor driving device; in the process that the piston rod is bounced by the disc-shaped reed and pressed down by the inclined pressing rib again, spark oil is sucked into the lower portion of the piston rod from the oil inlet hole and then quickly discharged from the oil outlet hole, metal scraps formed in electric spark machining can be taken away in time, and accumulation of the metal scraps is avoided.
Description
Technical Field
The invention relates to the field of injection mold submarine gate processing equipment, in particular to a multi-gate processing device for an injection mold.
Background
In the production of an injection mold, when a submarine gate is demolded, the submarine gate can be automatically cut off from a product, and can be automatically separated from the product in the ejection process of the product, so that the production is suitable for automatic production of a factory, but in the processing process of the submarine gate, because of the limitation of the shape and the purpose of ensuring the precision (the tolerance is generally +/-0.02 mm), electric spark processing is generally adopted, when the number of cavities of the mold is small, the influence on the processing efficiency is not large by using the method of processing the gate by using one electrode, but when the number of cavities of the mold is large, such as 8 cavities and 16 cavities, the time required for processing the gates by one is long, so that the efficiency is influenced, but in the mode of processing a plurality of gates together, because the positions of the gates are close, the etched metal scraps generated by processing are accumulated in spark oil after being condensed, the waste chips are difficult to discharge and are attached to a pouring gate again, the precision of electric spark machining is influenced, the diameters of the waste chips are extremely small, half of the waste chips are not larger than 1mm, the waste chips can fall on a machined surface again after being condensed, and the waste chips are very troublesome to remove.
Disclosure of Invention
The invention aims to provide a multi-gate processing device of an injection mold, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an injection mold multi-gate processingequipment, includes the electrode chuck, the compression leg under the below centre gripping of electrode chuck, the below of compression leg is connected with electrode installation disc under the electrode, be equipped with a plurality of oblique ribs under the electrode on the side of compression leg, the side sliding connection of oblique rib has electrode drive arrangement, motor drive arrangement's top is connected with submarine gate electrode, submarine gate electrode is pushed down by the slant when pushing down oppression electrode drive arrangement at the oblique rib, carries out the discharge machining of submarine gate and gets rid of the sweeps through electrode drive arrangement.
Preferably, the pole is pushed down to the electrode includes clamping part, barocline muscle fixed part and spliced pole, the clamping part centre gripping is fixed in the electrode chuck, barocline muscle fixed part welded fastening is in the below of clamping part and the even distribution of barocline muscle is in the side of barocline muscle fixed part, the below at barocline muscle fixed part is fixed on the top of spliced pole, the bottom sliding connection of spliced pole is in the electrode installation disc.
Preferably, a plurality of chutes which are uniformly distributed are arranged on the electrode mounting disc, and oil grooves are respectively arranged on the front side surface and the rear side surface of each chute.
Preferably, the motor driving device comprises an inclined compression rod, an electrode holder, a piston rod and a disc-shaped reed, the head of the inclined compression rod is connected to an inclined compression rib in a sliding mode, the tail of the inclined compression rod is fixedly connected to the electrode holder, a plurality of oil inlet holes are formed in four side faces of the electrode holder, the piston rod is installed in the inclined compression rod in a sliding mode, the head of the piston rod abuts against the inclined compression rib under the elastic action of the disc-shaped reed, the disc-shaped reed is installed in the electrode holder, and the tail of the piston rod abuts against the disc-shaped reed.
Preferably, the rear end of the submarine gate electrode is provided with an oil path, and a plurality of oil outlet holes are uniformly distributed at the lowest end of the oil path and on the side surface of the submarine gate electrode.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can process a plurality of submarine gates simultaneously, is suitable for the conditions of more mold cavities such as 8 cavities and 16 cavities, has high processing precision, basically has the same processing quality of each gate, and has obvious efficiency improvement;
2. the oil inlet hole and the oil outlet hole are arranged in the oil-saving device, so that spark oil can be sucked into the lower part of the piston rod from the oil inlet hole and then quickly discharged from the oil outlet hole in the process that the piston rod is bounced up by the disc-shaped reed and pressed down by the inclined pressing rib again;
3. the scrap removing mechanism arranged in the invention can quickly adsorb the scraps on the coil under the magnetic action of the electromagnetic coil after the scraps generated by electric spark machining are taken away by oil in the oil outlet, so that the phenomenon that the scraps fall on the electric spark machining surface again after being condensed to influence the machining quality is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the electrode mounting disk structure of the present invention;
FIG. 4 is a schematic view of the structure of the lower pressing column of the electrode of the present invention;
FIG. 5 is an enlarged view of the motor driving device according to the present invention;
fig. 6 is an enlarged view at B in bitmap 2.
In the figure: 1-an electrode chuck;
2-pressing the column under the electrode; 21-obliquely pressing ribs; 22-a clamping portion; 23-inclined press rib fixing part; 24-connecting column;
3-electrode mounting disc; 31-a chute; 32-oil groove;
4-an electrode driving device; 41-oblique compression bar; 42-electrode holder; 43-a piston rod; 44-disc shaped reed; 45-oil inlet hole;
5-a submarine gate electrode; 51-oil path; and 52-oil outlet holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an injection mold many runners processingequipment, includes electrode chuck 1, compression leg 2 under the below centre gripping of electrode chuck 1, the below of compression leg 2 is connected with electrode installation disc 3 under the electrode, be equipped with a plurality of oblique pressure muscle 21 on the side of compression leg 2 under the electrode, the side sliding connection of oblique pressure muscle 21 has electrode drive arrangement 4, motor drive arrangement 4's top is connected with submarine gate electrode 5, submarine gate electrode 5 is pushed down to one side when oblique pressure muscle 21 pushes down oppression electrode drive arrangement 4 and is moved, carries out the discharge machining of submarine gate and gets rid of the sweeps through electrode drive arrangement 4.
In this embodiment, the lower pressing column 2 of the electrode includes a clamping portion 22, an inclined pressing rib fixing portion 23 and a connecting column 24, the clamping portion 22 is clamped and fixed in the electrode chuck 1, the inclined pressing rib fixing portion 23 is welded and fixed below the clamping portion 22 and the inclined pressing ribs 21 are uniformly distributed on the side of the inclined pressing rib fixing portion 23, the top end of the connecting column 24 is fixed below the inclined pressing rib fixing portion 23, the connecting column 24 is slidably connected in the bottom electrode mounting disc 3, in the electric spark machining process, the working electrode can repeatedly move up and down to generate pulse discharge between the working electrode and a product to be machined, and then materials are removed through electrolytic corrosion, in the process, the electrode chuck 1 can clamp the clamping portion 22, and the inclined pressing ribs 21 are driven to move up and down through the up and down repeated movement of the electrode chuck 1.
In this embodiment, be equipped with a plurality of spouts 31 of evenly distributed on the electrode mounting disc 3, be equipped with oil groove 32 on two sides around spout 31 respectively, spout 31 is used for making things convenient for oblique depression bar 41 to slide in electrode mounting disc 3, and oil groove 32 then can satisfy the oil feed needs of inlet port 45 on the electrode holder 42.
In this embodiment, the motor driving device 4 includes a slant pressing rod 41, an electrode holder 42, a piston rod 43 and a disk-shaped spring 44, a head of the slant pressing rod 41 is slidably connected to the slant pressing rib 21, a tail of the slant pressing rod 41 is fixedly connected to the electrode holder 42, four sides of the electrode holder 42 are provided with a plurality of oil inlets 45, the piston rod 43 is slidably installed in the slant pressing rod 41, and a head of the piston rod 43 is pressed against the slant pressing rib 21 under an elastic force of the disk-shaped spring 44, the disk-shaped spring 44 is installed in the electrode holder 42, a tail of the piston rod 43 is pressed against the disk-shaped spring 44, an oil inlet gap exists at a position where the slant pressing rod 41 is slidably connected to the slant pressing rib 21, when the slant pressing rib 21 moves up in the oil inlet gap, the slant pressing rib 21 is not in contact with the slant pressing rod 41, i.e. the slant pressing rod 41 is not driven upward, the disk-shaped spring 44 firstly pushes the piston rod 43 upward, the oil inlet 45 enters the electrode holder 42 until the inclined pressing rib 21 continues to move upwards to be contacted with the inclined pressing rod 41, and the inclined pressing rod 41 is driven to move upwards together; when the inclined pressing rib 21 moves downwards, the piston rod 43 is pressed downwards continuously until the disc-shaped reed 44 is pressed downwards, spark oil is discharged from the oil outlet 52, and metal scraps produced in the electric discharge machining process can be taken away by the discharged spark oil.
In this embodiment, an oil path 51 is provided at the rear end of the submarine gate electrode 5, and a plurality of oil outlet holes 52 are uniformly distributed at the lowest end of the oil path 51 and on the side surface of the submarine gate electrode 5.
The working principle is as follows: when the device is used, firstly, the whole device is clamped on an electrode chuck 1, an electrode mounting disc 3 is fixed on a product to be processed, a motor driving device 4 is installed in the electrode mounting disc 3, electric spark machining is started, the electrode chuck 1 can clamp a clamping part 22, the inclined pressing bar 21 is driven to move up and down through the up-and-down repeated movement of the electrode chuck 1, an oil inlet gap exists at the position where the inclined pressing bar 41 is in sliding connection with the inclined pressing bar 21, when the inclined pressing bar 21 moves up in the oil inlet gap, the inclined pressing bar 21 is not in contact with the inclined pressing bar 41, the inclined pressing bar 41 cannot be driven to move upwards, a disc-shaped reed 44 firstly pushes up a piston rod 43, an oil inlet hole 45 is filled into an electrode seat 42 at the moment, until the inclined pressing bar 21 continues to move upwards to be in contact with the inclined pressing bar 41, and at the moment, the inclined pressing bar 41 is driven to move upwards together; when the inclined pressing rib 21 moves downwards, the piston rod 43 is pressed to continuously move downwards until the disc-shaped reed 44 is pressed downwards, spark oil is discharged from the oil outlet 52, the discharged spark oil can take away metal scraps generated in the discharge machining process, the metal scraps generated in the multi-sprue primary machining process are smoothly taken away, and the whole machining process is guaranteed to be fast and good.
Based on the above, the invention can simultaneously process a plurality of submarine gates, is suitable for the conditions of more mold cavities, such as 8 cavities and 16 cavities, and has very high processing precision, basically the same processing quality of each gate and very obvious efficiency improvement; the oil inlet hole and the oil outlet hole are arranged in the oil outlet device, so that spark oil can be sucked into the lower portion of the piston rod from the oil inlet hole and quickly discharged from the oil outlet hole in the process that the piston rod is bounced up by the disc-shaped reed and pressed down by the inclined pressing rib again, and the quickly discharged spark oil forms small-range turbulence because the oil outlet hole is close to the working surface of the motor, so that metal scraps formed in electric spark machining can be quickly taken away, and the accumulation of the metal scraps is avoided.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides an injection mold many runners processingequipment which characterized in that: the electrode assembly comprises an electrode chuck (1), an electrode lower compression column (2) is clamped below the electrode chuck (1), an electrode installation disc (3) is connected below the electrode lower compression column (2), a plurality of inclined compression ribs (21) are arranged on the side face of the electrode lower compression column (2), an electrode driving device (4) is connected to the side face of each inclined compression rib (21) in a sliding mode, a submarine gate electrode (5) is connected to the top end of the motor driving device (4), the submarine gate electrode (5) is pressed downwards in an inclined mode when the inclined compression ribs (21) press down the electrode driving device (4) to conduct electric discharge machining of a submarine gate, and scraps are removed through the electrode driving device (4), a scrap removing mechanism (6) is fixed to the edge of the electrode installation disc (3), and the scrap removing mechanism (6) is used for collecting the scraps removed by the submarine gate electrode (5), avoiding the condensation from falling on the gate.
2. The multi-gate processing device for the injection mold according to claim 1, wherein: pressing post (2) includes clamping part (22), barocline muscle fixed part (23) and spliced pole (24) under the electrode, clamping part (22) centre gripping is fixed in electrode chuck (1), barocline muscle fixed part (23) welded fastening is in the below of clamping part (22) and barocline muscle (21) even distribution in the side of barocline muscle fixed part (23), the below at barocline muscle fixed part (23) is fixed on the top of spliced pole (24), the bottom sliding connection of spliced pole (24) is in electrode installation disc (3).
3. The multi-gate processing device for the injection mold according to claim 1, wherein: a plurality of chutes (31) which are uniformly distributed are arranged on the electrode mounting disc (3), and oil grooves (32) are respectively arranged on the front side and the rear side of each chute (31).
4. An injection mold multi-gate processing device according to claim 3, characterized in that: motor drive arrangement (4) are including oblique depression bar (41), electrode holder (42), piston rod (43) and dish reed (44), the head sliding connection of oblique depression bar (41) is on pressing muscle (21) to one side, the afterbody fixed connection of oblique depression bar (41) is on electrode holder (42), be equipped with a plurality of inlet ports (45) on four sides of electrode holder (42), piston rod (43) slidable mounting is in oblique depression bar (41) and its head pushes up on pressing muscle (21) to one side under the spring action of dish reed (44), install in electrode holder (42) dish reed (44), the afterbody top of piston rod (43) is on dish reed (44).
5. The multi-gate processing device for the injection mold according to claim 1, wherein: the rear end of the submarine gate electrode (5) is provided with an oil path (51), and a plurality of oil outlet holes (52) are uniformly distributed at the lowest end of the oil path (51) and on the side surface of the submarine gate electrode (5).
6. The multi-gate processing device for the injection mold according to claim 1, wherein: the waste chip removing mechanism (6) comprises an inner cylinder wall (61), an outer cylinder wall (62) and an electromagnetic coil (63), wherein the inner cylinder wall (61) is hermetically connected with one end of the outer cylinder wall (62); the other end of the electrode mounting disc is open, the inner cylinder wall (61) is fixed on the electrode mounting disc (3), a gap is formed at the edge of the outer cylinder wall (62) and the electrode mounting disc (3), and the electromagnetic coil (63) is respectively fixed on the outer side surface of the inner cylinder wall (61) and the inner side surface of the outer cylinder wall (62).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607538.9A CN113305375B (en) | 2021-06-01 | 2021-06-01 | Multi-gate processing device of injection mold |
| CN202410087164.6A CN117961199A (en) | 2021-06-01 | 2021-06-01 | Operation method of multi-gate processing device of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607538.9A CN113305375B (en) | 2021-06-01 | 2021-06-01 | Multi-gate processing device of injection mold |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410087164.6A Division CN117961199A (en) | 2021-06-01 | 2021-06-01 | Operation method of multi-gate processing device of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113305375A true CN113305375A (en) | 2021-08-27 |
| CN113305375B CN113305375B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110607538.9A Active CN113305375B (en) | 2021-06-01 | 2021-06-01 | Multi-gate processing device of injection mold |
| CN202410087164.6A Pending CN117961199A (en) | 2021-06-01 | 2021-06-01 | Operation method of multi-gate processing device of injection mold |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410087164.6A Pending CN117961199A (en) | 2021-06-01 | 2021-06-01 | Operation method of multi-gate processing device of injection mold |
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| CN (2) | CN113305375B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202388077U (en) * | 2011-12-26 | 2012-08-22 | 日写（昆山）精密模具有限公司 | Processing unit for mold sprue |
| CN204035736U (en) * | 2014-08-18 | 2014-12-24 | 歌尔声学股份有限公司 | A kind of universal cast gate electrode clamping positioner |
| CN104526090A (en) * | 2014-12-11 | 2015-04-22 | 芜湖市万华塑料制品有限公司 | Electric discharge machine |
| CN204934780U (en) * | 2015-07-16 | 2016-01-06 | 南京华格电汽塑业有限公司 | A kind of injection moulding die casting mouth electrode discharge device |
| KR101876269B1 (en) * | 2018-03-08 | 2018-07-09 | 주식회사유가엠엔티 | Small hole electric discahrging machine having function of automatically changing electrod |
| CN110524076A (en) * | 2019-06-13 | 2019-12-03 | 河北博坚金属加工有限公司 | A kind of roll surface electric spark texturing equipment |
| CN210060032U (en) * | 2019-06-24 | 2020-02-14 | 赫比(成都)精密塑胶制品有限公司 | Ultrahigh sprue electrode clamp convenient to use |
| CN212443611U (en) * | 2020-12-30 | 2021-02-02 | 常州市瑞泰光电有限公司 | Processing assembly of formula of hiding runner mold insert |
-
2021
- 2021-06-01 CN CN202110607538.9A patent/CN113305375B/en active Active
- 2021-06-01 CN CN202410087164.6A patent/CN117961199A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202388077U (en) * | 2011-12-26 | 2012-08-22 | 日写（昆山）精密模具有限公司 | Processing unit for mold sprue |
| CN204035736U (en) * | 2014-08-18 | 2014-12-24 | 歌尔声学股份有限公司 | A kind of universal cast gate electrode clamping positioner |
| CN104526090A (en) * | 2014-12-11 | 2015-04-22 | 芜湖市万华塑料制品有限公司 | Electric discharge machine |
| CN204934780U (en) * | 2015-07-16 | 2016-01-06 | 南京华格电汽塑业有限公司 | A kind of injection moulding die casting mouth electrode discharge device |
| KR101876269B1 (en) * | 2018-03-08 | 2018-07-09 | 주식회사유가엠엔티 | Small hole electric discahrging machine having function of automatically changing electrod |
| CN110524076A (en) * | 2019-06-13 | 2019-12-03 | 河北博坚金属加工有限公司 | A kind of roll surface electric spark texturing equipment |
| CN210060032U (en) * | 2019-06-24 | 2020-02-14 | 赫比(成都)精密塑胶制品有限公司 | Ultrahigh sprue electrode clamp convenient to use |
| CN212443611U (en) * | 2020-12-30 | 2021-02-02 | 常州市瑞泰光电有限公司 | Processing assembly of formula of hiding runner mold insert |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117961199A (en) | 2024-05-03 |
| CN113305375B (en) | 2023-12-08 |
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