CN111421771A - Plastic precision injection molding processing equipment - Google Patents
Plastic precision injection molding processing equipment Download PDFInfo
- Publication number
- CN111421771A CN111421771A CN202010326112.1A CN202010326112A CN111421771A CN 111421771 A CN111421771 A CN 111421771A CN 202010326112 A CN202010326112 A CN 202010326112A CN 111421771 A CN111421771 A CN 111421771A
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- Prior art keywords
- injection molding
- ring
- cutting
- contraction
- plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2669—Moulds with means for removing excess material, e.g. with overflow cavities
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic precision injection molding processing device, which structurally comprises a former, a feeding port, a heater, a control panel and a support table, wherein the former is composed of a power rod, a compressor, a pusher, a fixed plate, a molding mechanism and an injection molding device, when the molding mechanism is injected by the injection molding device, redundant plastic liquid flows out from a gap, the cutter is controlled by a hydraulic rod to push and cut, so that a cutting ring on the cutter cuts waste materials flowing out of a molding die, the cutting of the cooled product is avoided, the damage caused by cutting after cooling is prevented, a certain pressure is generated during injection molding, when the waste materials flow out, the flowing pressure acts on the upper end of a decompression device, the compression device can be bent when being stressed, connecting blocks are mutually attached when an expansion ring is expanded and closed, and the constant value of the internal pressure during injection molding is improved, prevent the waste material from flowing out too much to cause poor product density.
Description
Technical Field
The invention relates to the field of injection mold closing, in particular to a plastic precision injection molding processing device.
Background
Plastics injection moulding equipment cools off the plastics after heating, utilize the mould to make the plastic products of various shapes, because polystyrene injection moulding raw materials has the characteristics that the cost is lower, vertical injection molding machine is to adopting the in-process that polystyrene plastics formed the joint, the joint mould is equipped with the clearance, make unnecessary polystyrene liquid plastics flow to the clearance, have the effect that reduces the injection molding ware to joint mould pressure, after the polystyrene liquid plastics cooling shaping in the joint mould, because connect between mould clearance and the joint product continuous, make the joint product corner after the shaping can form unnecessary waste material, need cut joint product once more, because the cracked nature of polystyrene injection moulding raw materials after the cooling is higher, the atress is easily broken, make joint product damage easily when the cutting, improve the spoilage of joint.
Disclosure of Invention
The invention is realized by the following technical scheme: a plastic precision injection molding processing device comprises a former, a feeding port, a heater, a control panel and a supporting platform, the feeding port is arranged at the upper end of the heater, the former is arranged at the left side of the heater, the control panel is embedded and fixed on the front end surface of the support table, the lower end of the former is arranged on the upper surface of the support table, the former is composed of a power rod, a compressor, a pusher, a fixed plate, a forming mechanism and an injection molding device, the right end of the power rod is clamped at the left side of the compressor, the pusher is welded at the left side of the fixed plate, the molding mechanism is arranged on the right side of the fixed plate, the left side of the injection molding device is in clearance fit with the molding mechanism, the right side of the injection molding device is arranged in the heater, the front face of the molding mechanism is of a rectangular structure, and the right side of the compressor is arranged at the upper end and the lower end of the left side of the pusher.
As a further improvement of the invention, the forming mechanism is provided with a compression plate, a forming mold, a cutting device, an injection molding pipe and a hydraulic rod, the forming mold is arranged in the compression plate, the cutting device is embedded at the left end of the hydraulic rod, the injection molding pipe is communicated with the hydraulic rod, the right end of the injection molding pipe is in clearance fit with an injection molding device, the cutting device is of an annular structure and is positioned on the same central shaft with the injection molding pipe, and the inner side of the cutting device and the inner wall of the forming mold are positioned on the same straight line.
As a further improvement of the invention, the cutting device is provided with a cutter, a pressure reducing device, an elastic rod and a cleaning pipeline, the right end of the cutter is mutually attached to a hydraulic rod, the pressure reducing device is attached to the upper end of the elastic rod, the elastic rod is communicated with the cleaning pipeline, the lower end of the cutter is mutually attached to the upper end of the pressure reducing device, the elastic rod is made of organic silicon rubber and has the heat insulation characteristic, the pressure reducing device is of an annular structure, and the inner side of the pressure reducing device is in an inverted triangle shape.
As a further improvement of the invention, the cutter is provided with four protection rings, four cutting rings and four limiting blocks, wherein the protection rings are attached to the outer sides of the cutting rings, the limiting blocks are welded to the outer sides of the lower ends of the protection rings, the protection rings are attached to the upper ends of the pressure reducing devices, and the limiting blocks are annularly distributed on the outer sides of the protection rings.
As a further improvement of the invention, the pressure reducing device is provided with a contraction device, eight contraction rings and eight springs, the contraction rings are attached to the inner side of the contraction device, the springs are attached to the outer sides of the contraction rings, the contraction device and the springs are positioned on the same central axis, the outer sides of the springs are embedded and fixed on the inner sides of the elastic rods, the contraction rings are made of PTFE materials with strong elasticity, have the property of easy bending and are of annular structures, and the springs and the contraction rings are positioned on the same central axis.
As a further improvement of the invention, the contraction device comprises a telescopic ring, connecting blocks, stress rods, supporting blocks and connecting blocks, wherein the connecting blocks are attached to the left end and the right end of the telescopic ring, the stress rods are clamped in the middle of the supporting blocks, the lower ends of the supporting blocks are welded to the upper ends of the connecting blocks, the connecting blocks are attached to the inner side of the telescopic ring, the two stress rods are symmetrically distributed on the two sides of the supporting blocks, and the connecting blocks are made of magnets.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. when the injection molding device is used for injection molding of the molding mechanism, the redundant plastic liquid can flow out from the gap, because the stress area of the fixing plate is uniform, the dislocation of the injection molding device and the injection molding opening on the right side of the molding mechanism is avoided, the outflow pressure of the waste material in the gap between the two ends of the molding mold is kept synchronous, the cutter is controlled by the hydraulic rod to carry out propelling cutting, the pressure is increased when the waste flows out due to the shape of the pressure reducing device, the waste is prevented from being accumulated in the gap, the elastic rod prevents the heat from influencing the sliding of the outer end of the pressure reducing device, prevents the thrust acting force of the hydraulic rod from being overlarge when the cutting ring is cut, prevents the cutting ring from being damaged when the cutting ring is cut, prevents the inner side of the cutting device and the inner wall of the forming die from being positioned on the same straight line, prevents the cutting surface from being uneven, make the cutting ring on the cutterbar cut the waste material that flows out in the forming die, avoid the goods cooling back to cut, prevent to cut after the cooling and cause the damage.
2. Because can produce certain pressure when moulding plastics, when the waste material flows, the pressure of outflow acts on the pressure relief device upper end, act on the spring, can bend when making the constriction device atress, the effect that has the increase diameter, avoid producing the clearance after the bending, prevent that the waste material from getting into the spring and influencing its function, the inside spring coil of supporting shoe makes the expansion ring receive to open and shut when compressing, laminate each other between the connecting block when the expansion ring opens and shuts, the effect of buffering has, the constant value of internal pressure when having improved simultaneously moulding plastics, prevent that the waste material from flowing out too much and causing goods density not good.
Drawings
FIG. 1 is a schematic structural diagram of a precision injection molding apparatus for plastic according to the present invention.
Fig. 2 is a schematic plan view of a former of the present invention.
Fig. 3 is a schematic plan view of a molding mechanism according to the present invention.
Fig. 4 is a schematic view of a partial plan structure of a cutting device according to the present invention.
Fig. 5 is a schematic perspective view of a cutter according to the present invention.
FIG. 6 is a schematic plan view of a pressure relief device according to the present invention.
FIG. 7 is a schematic plan view of a retractor according to the present invention.
In the figure: the device comprises a former-1, a feeding port-2, a heater-3, a control panel-4, a support table-5, a power rod-11, a compressor-12, a pusher-13, a fixing plate-14, a forming mechanism-15, an injection molding machine-16, a compression plate-151, a forming mold-152, a cutting device-153, an injection molding pipe-154, a hydraulic rod-155, a cutter-a 1, a pressure reducing device-a 2, an elastic rod-a 3, a cleaning pipeline-a 4, a guard ring-a 11, a cutting ring-a 12, a limiting block-a 13, a shrinking device-a 21, a shrinking ring-a 22, a spring-a 23, a stretching ring-b 1, a connecting block-b 2, a stress rod-b 3, a supporting block-b 4 and a connecting block-b 5.
Detailed Description
The technology of the present invention is further described with reference to the accompanying drawings:
example 1:
as shown in fig. 1-5:
the invention relates to a plastic precision injection molding processing device, which structurally comprises a former 1, a feeding port 2, a heater 3, a control panel 4 and a support table 5, wherein the feeding port 2 is arranged at the upper end of the heater 3, the former 1 is arranged at the left side of the heater 3, the control panel 4 is fixedly embedded on the front end surface of the support table 5, the lower end of the former 1 is arranged on the upper surface of the support table 5, the former 1 is composed of a power rod 11, a compressor 12, a pusher 13, a fixed plate 14, a molding mechanism 15 and an injection molding device 16, the right end of the power rod 11 is clamped at the left side of the compressor 12, the pusher 13 is welded at the left side of the fixed plate 14, the molding mechanism 15 is arranged at the right side of the fixed plate 14, the left side of the injection molding device 16 is in clearance fit with the molding mechanism 15, the right side of the injection, the front of the forming mechanism 15 is of a rectangular structure, the right side of the compressor 12 is arranged at the upper end and the lower end of the left side of the pusher 13, so that the effect of enabling the stress area of the fixing plate 14 to be uniform is achieved, and dislocation of the injection molding opening on the right side of the injection molding device 16 and the forming mechanism 15 is avoided.
Wherein, forming mechanism 15 is equipped with compression plate 151, forming die 152, cutting device 153, moulds plastics pipe 154, hydraulic stem 155, forming die 152 installs inside compression plate 151, cutting device 153 inlays solid at hydraulic stem 155 left end, mould plastics pipe 154 and hydraulic stem 155 link up mutually, the right-hand member of moulding plastics pipe 154 carries out clearance fit with injection molding device 16, cutting device 153 is the loop configuration, and is located same center pin with moulding pipe 154, the inboard inner wall with forming die 152 of cutting device 153 is located same straight line for cutting device 153 cuts the waste material that forming die 152 flowed out, cuts after avoiding the goods cooling, prevents to carry out the damage that the cutting caused after the cooling.
Wherein, cutting device 153 is equipped with cutter a1, pressure relief device a2, elastic rod a3, clearance pipeline a4, cutter a1 right-hand member and hydraulic stem 155 laminate each other, pressure relief device a2 laminates in elastic rod a3 upper end, elastic rod a3 and clearance pipeline a4 link up mutually, cutter a1 lower extreme and pressure relief device a2 upper end laminate each other, elastic rod a3 is the silicone rubber material, has thermal-insulated characteristic, pressure relief device a2 is the annular structure, and the inboard is the shape of falling triangle for pressure increase when the waste material flows out, avoids the waste material to pile up in the clearance, and elastic rod a3 avoids the slip of heat influence pressure relief device a2 outer end.
The cutter a1 is provided with a protection ring a11, a cutting ring a12 and a limiting block a13, the protection ring a11 is attached to the outer side of the cutting ring a12, the limiting block a13 is welded to the outer side of the lower end of the protection ring a11, the protection ring a11 is attached to the upper end of the pressure reducing device a2, the limiting blocks a13 are four, the limiting blocks a13 are distributed on the outer side of the protection ring a11 in an annular mode, the pushing force of the hydraulic rod 155 is prevented from being too large when the cutting ring a12 is cut, and the cutting ring a12 is prevented from being damaged when cut.
The embodiment has the following specific use modes and functions:
in the invention, when the injection molding device 16 is used for injection molding the forming mechanism 15, redundant plastic liquid can flow out from the gap, because the stress area of the fixing plate 14 is uniform, the dislocation of the injection molding device 16 and the injection molding opening on the right side of the forming mechanism 15 is avoided, the outflow pressure of waste materials in the gaps of two ends of the forming mold 152 is kept synchronous, the hydraulic rod 155 is used for controlling the cutter a1 to carry out pushing and cutting, the shape of the pressure reducing device a2 is used for increasing the pressure when the waste materials flow out, the waste materials are prevented from being accumulated in the gap, the elastic rod a3 is used for avoiding the heat from influencing the sliding of the outer end of the pressure reducing device a2, the pushing and acting force of the hydraulic rod 155 is prevented from being overlarge when the cutting ring a12 is used for cutting, the cutting ring a12 is prevented from being damaged when being used for cutting, the inner side of the cutting device 153 and the inner wall of the forming, prevent damage caused by cutting after cooling.
Example 2:
as shown in fig. 6-7:
the decompression device a2 is provided with a contraction device a21, a contraction ring a22 and a spring a23, the contraction ring a22 is attached to the inner side of the contraction device a21, the spring a23 is attached to the outer side of the contraction ring a22, the contraction device a21 and the spring a23 are located on the same central axis, the outer side of the spring a23 is fixedly embedded in the inner side of the elastic rod a3, the contraction ring a22 is made of PTFE (polytetrafluoroethylene) with strong elasticity, has the property of easy bending and is of an annular structure, eight springs a23 are arranged and located on the same central axis with the contraction ring a22, so that the contraction device a21 can be bent when stressed, has the effect of increasing the diameter, avoids gaps from being generated after bending, and prevents waste materials from entering the spring a23 to influence the operation of the contraction device a 3.
Wherein the contraction device a21 is composed of a telescopic ring b1, a connecting block b2, a stress rod b3, a supporting block b4 and a connecting block b5, the connecting blocks b2 are attached to the left end and the right end of the telescopic ring b1, the stress rod b3 is clamped in the middle of the supporting block b4, the lower ends of the supporting blocks b4 are welded at the upper end of a connecting block b5, the connecting block b5 is attached to the inner side of a contraction ring a22, the number of the stress rods b3 is two, the supporting blocks b4 are symmetrically distributed on two sides of the supporting block b2, the connecting block b2 is made of magnet materials, a spring is arranged inside the telescopic ring b1, the connecting blocks b2 can attract each other under the elastic force of the spring, so that the gap generated when the connecting blocks b2 are jointed is avoided, the spring ring in the supporting block b4 enables the telescopic ring b1 to be opened and closed when compressed, the buffer function is achieved, meanwhile, the constant value of the internal pressure during injection molding is improved, and poor product density caused by excessive outflow of waste materials is prevented.
The embodiment has the following specific use modes and functions:
in the invention, because certain pressure is generated during injection molding, when the waste flows out, the outflow pressure acts on the upper end of the pressure reducing device a2 and acts on the spring a23, so that the contraction device a21 can be bent when stressed, the diameter is increased, a gap is avoided after bending, the waste is prevented from entering the spring a23 to influence the operation of the spring a23, the spring ring in the support block b4 enables the expansion ring b1 to be opened and closed when compressed, and the connecting blocks b2 are mutually attached when the expansion ring b1 is opened and closed, so that the buffer effect is achieved, meanwhile, the constant value of the internal pressure during injection molding is improved, and poor product density caused by excessive waste outflow is prevented.
The technical scheme of the invention is utilized, or a similar technical scheme is designed by a person skilled in the art based on the inspiration of the technical scheme of the invention, so that the technical effects are achieved, and the technical scheme and the method fall into the protection scope of the invention.
Claims (6)
1. The utility model provides a precision injection moulding processing equipment of plastics, its structure includes former (1), pan feeding mouth (2), heater (3), control panel (4), brace table (5), install in the upper end of heater (3) pan feeding mouth (2), install in the left side of heater (3) former (1), control panel (4) inlay the front end surface at brace table (5), the top surface in brace table (5), its characterized in that are installed to the lower extreme of former (1):
former (1) comprises power pole (11), compressor (12), impeller (13), fixed plate (14), forming mechanism (15), ware (16) of moulding plastics, the right-hand member block of power pole (11) is on compressor (12) left side, impeller (13) welding is in fixed plate (14) left side, forming mechanism (15) are installed in the right side of fixed plate (14), the left side and the forming mechanism (15) of ware (16) of moulding plastics carry out clearance fit, the inside in heater (3) is installed on the right side of ware (16) of moulding plastics.
2. The precision injection molding processing equipment for plastics according to claim 1, characterized in that: forming mechanism (15) are equipped with compression plate (151), forming die (152), cutting device (153), mould plastics pipe (154), hydraulic stem (155), inside forming die (152) installed in compression plate (151), cutting device (153) are inlayed and are solid at hydraulic stem (155) left end, mould plastics pipe (154) and hydraulic stem (155) link up mutually, the right-hand member and the ware of moulding plastics (16) of moulding plastics pipe (154) carry out clearance fit.
3. The precision injection molding processing equipment for plastics according to claim 2, characterized in that: cutting device (153) are equipped with cutter (a1), pressure relief device (a2), elastic rod (a3), clearance pipeline (a4), cutter (a1) right-hand member and hydraulic stem (155) are laminated each other, pressure relief device (a2) laminating is in elastic rod (a3) upper end, elastic rod (a3) link up with clearance pipeline (a4), cutter (a1) lower extreme and pressure relief device (a2) upper end are laminated each other.
4. The precision injection molding processing equipment for plastics according to claim 3, characterized in that: the cutter (a1) is provided with a protection ring (a11), a cutting ring (a12) and a limiting block (a13), the protection ring (a11) is attached to the outer side of the cutting ring (a12), the limiting block (a13) is welded to the outer side of the lower end of the protection ring (a11), and the upper ends of the protection ring (a11) and the pressure reducing device (a2) are attached to each other.
5. The precision injection molding processing equipment for plastics according to claim 3, characterized in that: the pressure reducing device (a2) is provided with a contraction device (a21), a contraction ring (a22) and a spring (a23), wherein the contraction ring (a22) is attached to the inner side of the contraction device (a21), the spring (a23) is attached to the outer side of the contraction ring (a22), the contraction device (a21) and the spring (a23) are located on the same central shaft, and the outer side of the spring (a23) is embedded and fixed to the inner side of the elastic rod (a 3).
6. The precision injection molding processing equipment for plastics according to claim 5, characterized in that: the contraction device (a21) comprises an expansion ring (b 1), a connecting block (b2), a stress rod (b3), a supporting block (b4) and a connecting block (b5), wherein the connecting block (b2) is attached to the left end and the right end of the expansion ring (b 1), the stress rod (b3) is clamped in the middle of the supporting block (b4), the lower end of the supporting block (b4) is welded to the upper end of the connecting block (b5), and the connecting block (b5) is attached to the inner side of the contraction ring (a 22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326112.1A CN111421771A (en) | 2020-04-23 | 2020-04-23 | Plastic precision injection molding processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326112.1A CN111421771A (en) | 2020-04-23 | 2020-04-23 | Plastic precision injection molding processing equipment |
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| Publication Number | Publication Date |
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| CN111421771A true CN111421771A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010326112.1A Pending CN111421771A (en) | 2020-04-23 | 2020-04-23 | Plastic precision injection molding processing equipment |
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| CN (1) | CN111421771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828047A (en) * | 2020-07-24 | 2020-10-27 | 杨泓 | Grouting machine for tunnel construction |
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| CN1891432A (en) * | 2005-07-01 | 2007-01-10 | 深圳富泰宏精密工业有限公司 | Automatic-cut waste material injection mould |
| KR101826528B1 (en) * | 2016-10-13 | 2018-02-07 | 최병일 | The method for manufacturing lens |
| CN108081546A (en) * | 2017-12-13 | 2018-05-29 | 王腾蛟 | A kind of injection mold with cutting function |
| CN108582681A (en) * | 2018-07-25 | 2018-09-28 | 江西龙晨科技有限公司 | A kind of PVC board mold former |
| CN109203373A (en) * | 2018-07-16 | 2019-01-15 | 盐城亿之诺机械有限公司 | A kind of rotating stripping demoulding formula medicine bottle injection mold |
| CN109278263A (en) * | 2018-11-21 | 2019-01-29 | 湖南德霸照明制造有限公司 | A kind of embedding and injection molding device of automobile taillight lampshade |
| CN209755965U (en) * | 2018-12-26 | 2019-12-10 | 昆山灿升辉模塑有限公司 | Product and waste material separation equipment of working of plastics |
| CN210174121U (en) * | 2019-03-15 | 2020-03-24 | 宁波海得力克自动化科技有限公司 | Hot cutting structure in mould |
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2020
- 2020-04-23 CN CN202010326112.1A patent/CN111421771A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891432A (en) * | 2005-07-01 | 2007-01-10 | 深圳富泰宏精密工业有限公司 | Automatic-cut waste material injection mould |
| KR101826528B1 (en) * | 2016-10-13 | 2018-02-07 | 최병일 | The method for manufacturing lens |
| CN108081546A (en) * | 2017-12-13 | 2018-05-29 | 王腾蛟 | A kind of injection mold with cutting function |
| CN109203373A (en) * | 2018-07-16 | 2019-01-15 | 盐城亿之诺机械有限公司 | A kind of rotating stripping demoulding formula medicine bottle injection mold |
| CN108582681A (en) * | 2018-07-25 | 2018-09-28 | 江西龙晨科技有限公司 | A kind of PVC board mold former |
| CN109278263A (en) * | 2018-11-21 | 2019-01-29 | 湖南德霸照明制造有限公司 | A kind of embedding and injection molding device of automobile taillight lampshade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828047A (en) * | 2020-07-24 | 2020-10-27 | 杨泓 | Grouting machine for tunnel construction |
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