CN208558143U - A kind of composite molding die of plastic pencil - Google Patents
A kind of composite molding die of plastic pencil Download PDFInfo
- Publication number
- CN208558143U CN208558143U CN201821000159.3U CN201821000159U CN208558143U CN 208558143 U CN208558143 U CN 208558143U CN 201821000159 U CN201821000159 U CN 201821000159U CN 208558143 U CN208558143 U CN 208558143U
- Authority
- CN
- China
- Prior art keywords
- lead
- water
- feed pipe
- molding die
- retractable pencil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000000465 moulding Methods 0.000 title claims abstract description 46
- 229920003023 plastic Polymers 0.000 title claims abstract description 28
- 239000004033 plastic Substances 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 210000003953 foreskin Anatomy 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 238000005304 joining Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 210000000232 gallbladder Anatomy 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 238000001746 injection moulding Methods 0.000 description 7
- 210000002615 epidermis Anatomy 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229920002457 flexible plastic Polymers 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of composite molding dies of plastic pencil, including lead for retractable pencil feed pipe, lead for retractable pencil feed pipe space outside is set with lead for retractable pencil foreskin feed pipe, lead for retractable pencil foreskin feed pipe space outside is set with penholder feed pipe, the extrusion molding mouth of three duct bottoms is led in three feeding-passage ends jointly, molding die is connected below extrusion molding mouth, molding die includes shell and liner, composite molding chamber is set as inside liner, it is set as being cooled and shaped chamber between shell and liner, lower section is provided with water inlet outside molding die, top is provided with water outlet, inlet and outlet are communicated with chamber is cooled and shaped, being cooled and shaped intracavitary has cooling tube along inner bladder outer wall ring-wound, cooling tube one end is connect with water inlet, the other end is connect with water outlet, water outlet outer end passes through water-supply-pipe A joining water box, water pump is installed outside water tank, water pump Pump mouth connects water tank, and discharge outlet is connected to by water-supply-pipe B with water inlet.
Description
Technical field
The utility model relates to plastic pencil processing equipment field, espespecially a kind of composite molding die of plastic pencil.
Background technique
In order to save timber, meet environmental requirement, many pencils all use plastics for pencil arm.Traditional plastic pencil is raw
Production. art is that plastic extruder carries out extruding granulation to three kinds of lead for retractable pencil, penholder, epidermis raw materials respectively, and concrete operation method is first will
Extruder barrel heat temperature raising 100 to 150 is spent, and is started extruder, is then respectively adding proportioned lead for retractable pencil, penholder, epidermis
Three kinds of raw materials, lead for retractable pencil squeeze granulation three times, and penholder squeezes twice, and it is spare that epidermis squeezes a pack；Pencil one-pass molding, selection
Plastic extruder three, fixation is put by 45 degree of angle swings, three cross-head discharge ports install a coextrusion mold mold, respectively
Three extruders are warming up to 160 degree；Lead for retractable pencil, penholder, epidermis particulate material are added in corresponding extruder hopper respectively, opened
Dynamic lead for retractable pencil extruder squeezes out lead for retractable pencil, is rapidly introduced into coextrusion mold mold, then starts penholder extruder, and penholder can wrap automatically
Lead for retractable pencil draws it from mold, restarts the colouring of epidermis extruder；Finished product pencil is introduced in cooling bath, it will be cold through dragger
But the pencil after is drawn, then is finally being collected by cutting machine by being semi-finished product pencil after specific length cutting.
General plastic pencil shaping all uses three-way valve mold, i.e., after fusing after being sent into pencil arm, lead for retractable pencil and epidermis material
Reshaping, but such three-way valve mold structure can not one-pass molding, the pencil of production will also carry out subsequent cover die and cooling, flow
Journey is more, and working efficiency is not high, and progress cover die step more difficult for flexible plastic pencil, in practical applications also
Many shortcomings.
Utility model content
The technical problems to be solved in the utility model is provide a kind of plastic pencil compound the shortcomings that overcoming the prior art
Molding die.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of composite molding die of plastic pencil, including lead for retractable pencil feed pipe, outside lead for retractable pencil feed pipe
Portion's spacer sleeve is equipped with lead for retractable pencil foreskin feed pipe, and lead for retractable pencil foreskin feed pipe space outside is set with penholder feed pipe, lead for retractable pencil feed pipe,
Lead for retractable pencil foreskin feed pipe and penholder feed pipe are up big and down small vertebral body structure, three feeding-passages of formation between three, and three
Lead to the extrusion molding mouth of three duct bottoms jointly for a feeding-passage end, and molding die, molding die packet are connected below extrusion molding mouth
Shell and liner are included, composite molding chamber is set as inside liner, is set as being cooled and shaped chamber, molding die between shell and liner
External lower section is provided with water inlet, and top is provided with water outlet, and inlet and outlet are communicated with chamber is cooled and shaped, and is cooled and shaped
Intracavitary to have cooling tube along inner bladder outer wall ring-wound, cooling tube one end is connect with water inlet, and the other end is connect with water outlet, water outlet
By water-supply-pipe A joining water box, water pump is installed in water tank outside for mouth outer end, and the pump mouth of water pump connects water tank, and discharge outlet passes through defeated
Water pipe B is connected to water inlet.
As a kind of optimal technical scheme of the utility model, molding die bottom is provided with gap, and gap is set along inner wall
It sets the card slot that a circle is recessed inwardly, bottom plate is embedded with inside gap, cooling and shaping chamber is interior in the diameter and molding die of bottom plate
Wall is adapted, and base plate external lateral connection push-pull rod, push-pull rod is connect with electric telescopic rod, is driven and is pushed and pulled by electric telescopic rod
Bar moves horizontally, and can bottom plate be promoted or be pulled out out of gap, the automatic demoulding after being cooled and shaped convenient for plastic pencil, bottom plate
When promoting out of gap, in the card slot of bottom plate insertion recess, make liner at the bottom good seal.
As a kind of optimal technical scheme of the utility model, controller is installed outside electric telescopic rod, is pacified on liner
Equipped with temperature sensor, controller connects with electric telescopic rod, temperature sensor, water pump and the charging of outside adapted to injection system respectively
It connects, by the temperature of plastic pencil in temperature sensor real-time monitoring liner, and signal is passed into controller, work as plastic pencil
It is cooled and shaped to certain temperature, controller starting electric telescopic rod pulls out bottom plate, is demoulded.
As a kind of optimal technical scheme of the utility model, lead for retractable pencil feed pipe, lead for retractable pencil foreskin feed pipe and penholder charging
The sealing of tube top portion, three is disposed with lead for retractable pencil feed opening, lead for retractable pencil foreskin feed opening and penholder feed opening at top, convenient for that will melt
In respective material injection mold after change.
It as a kind of optimal technical scheme of the utility model, is an integral molding structure between extrusion molding mouth and liner, makes to set
Standby compact overall structure, injection molding effect are good.
As a kind of optimal technical scheme of the utility model, the lower section for being cooled and shaped chamber is arranged in gap, is convenient for bottom plate
Insertion, gap be transparent structure, convenient for demoulding.
The utility model beneficial effect achieved is: the utility model advanced structure, can be by lead for retractable pencil, lead for retractable pencil foreskin material
With pencil arm one-time injection molding, and molding mold exterior is provided with cooling equipment, without subsequent cover die and cold
But process, production efficiency greatly improve, and also entirely appropriate for production flexible plastic pencil, and practicability is stronger.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model lead for retractable pencil feed inlet structure schematic diagram；
Fig. 3 is that the utility model is cooled and shaped cavity configuration schematic diagram；
Fig. 4 is the utility model pipe structure for cooling schematic diagram；
Figure label: 1, lead for retractable pencil feed pipe；2, lead for retractable pencil foreskin feed pipe；3, penholder feed pipe；4, extrusion molding mouth；5, lead for retractable pencil adds
Material mouth；6, lead for retractable pencil foreskin feed opening；7, penholder feed opening；8, molding die；9, shell；10, liner；11, it is cooled and shaped chamber；
12, water outlet；13, water inlet；14, cooling tube；15, water tank；16, water pump；17, water-supply-pipe A；18, water-supply-pipe B；19, gap；
20, bottom plate；21, push-pull rod；22, electric telescopic rod.
Specific embodiment
In the description of the present invention, it should be noted that the instructions such as term "vertical", "upper", "lower", "horizontal"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as shown in Figs 1-4, the utility model provides a kind of composite molding die of plastic pencil, including lead for retractable pencil
Feed pipe 1,1 space outside of lead for retractable pencil feed pipe are set with lead for retractable pencil foreskin feed pipe 2,2 space outside of lead for retractable pencil foreskin feed pipe suit
There is penholder feed pipe 3, lead for retractable pencil feed pipe 1, lead for retractable pencil foreskin feed pipe 2 and penholder feed pipe 3 are up big and down small vertebral body structure,
Three feeding-passages are formed between three, the extrusion molding mouth 4 of three duct bottoms, extrusion molding mouth are led in three feeding-passage ends jointly
4 lower sections connect molding die 8, and molding die 8 includes shell 9 and liner 10, are set as composite molding chamber, shell inside liner 10
It is set as being cooled and shaped chamber 11 between 9 and liner 10,8 outside lower section of molding die is provided with water inlet 13, and top is provided with out
The mouth of a river 12, water inlet 13 and water outlet 12 are communicated with chamber 11 is cooled and shaped, and are cooled and shaped in chamber 11 and are twined along the outer wall circular of liner 10
It is wound with cooling tube 14,14 one end of cooling tube is connect with water inlet 13, and the other end is connect with water outlet 12, and 12 outer end of water outlet passes through
Water-supply-pipe A17 joining water box 15 installs water pump 16 outside water tank 15, and the pump mouth of water pump 16 connects water tank 15, and discharge outlet passes through
Water-supply-pipe B18 is connected to water inlet 13.
8 bottom of molding die is provided with gap 19, the card slot that gap 19 is recessed inwardly along one circle of inner wall setting, in gap 19
Portion is embedded with bottom plate 20, and the diameter of bottom plate 20 is adapted with the inner wall for being cooled and shaped chamber 11 in molding die 8,20 outer lateral of bottom plate
To connection push-pull rod 21, push-pull rod 21 is connect with electric telescopic rod 22, and the level of push-pull rod 21 is driven by electric telescopic rod 22
It is mobile, can bottom plate 20 be promoted or be pulled out out of gap 19, convenient for the automatic demoulding after plastic pencil cooling and shaping, bottom plate 20 from
When promoting in gap 19, in the card slot of the insertion recess of bottom plate 20, keep 10 sealed bottom of liner good.
Controller is installed outside electric telescopic rod 22, temperature sensor is installed on liner 10, controller respectively with electricity
Dynamic telescopic rod 22, temperature sensor, water pump 16 and the connection of the charging adapted to injection system of outside, pass through temperature sensor real-time monitoring
The temperature of plastic pencil in liner 10, and signal is passed into controller, after plastic pencil is cooled and shaped to certain temperature, control
Device starting electric telescopic rod 22 processed pulls out bottom plate 20, is demoulded.
It is sealed at the top of lead for retractable pencil feed pipe 1, lead for retractable pencil foreskin feed pipe 2 and penholder feed pipe 3, three is disposed at top
Lead for retractable pencil feed opening 5, lead for retractable pencil foreskin feed opening 6 and penholder feed opening 7 inject in mold convenient for the respective material after melting.
It is an integral molding structure between extrusion molding mouth 4 and liner 10, keeps equipment overall structure compact, injection molding effect is good.
The lower section for being cooled and shaped chamber 11 is arranged in gap 19, and convenient for the insertion of bottom plate 20, gap 19 is transparent structure,
Convenient for demoulding.
Working principle: 8 bottom of molding die is provided with gap 19, the card that gap 19 is recessed inwardly along one circle of inner wall setting
Slot is embedded with bottom plate 20 inside gap 19, and the diameter of bottom plate 20 is adapted with the inner wall of cooling and shaping chamber 11 in molding die 8,
20 outside lateral connection push-pull rod 21 of bottom plate, push-pull rod 21 is connect with electric telescopic rod 22, is pushed away by the driving of electric telescopic rod 22
Pull rod 21 moves horizontally, and can bottom plate 20 be promoted or be pulled out out of gap 19, automatic after being cooled and shaped convenient for plastic pencil
Demoulding when bottom plate 20 is promoted out of gap 19, in the card slot of the insertion recess of bottom plate 20, keeps 10 sealed bottom of liner good；Lead for retractable pencil
Sealed at the top of feed pipe 1, lead for retractable pencil foreskin feed pipe 2 and penholder feed pipe 3, three top be disposed with lead for retractable pencil feed opening 5,
Lead for retractable pencil foreskin feed opening 6 and penholder feed opening 7 inject in mold convenient for the respective material after melting；Extrusion molding mouth 4 and liner 10
Between be an integral molding structure, keep equipment overall structure compact, injection molding effect it is good；Gap 19, which is arranged in, to be cooled and shaped under chamber 11
Side, convenient for the insertion of bottom plate 20, gap 19 is transparent structure, convenient for demoulding.
When work, external adapted to injection system respectively simultaneously feeds the lead for retractable pencil of fusing, lead for retractable pencil foreskin and penholder material by lead for retractable pencil
Mouth 5, lead for retractable pencil foreskin feed opening 6 and penholder feed opening 7 are added to corresponding lead for retractable pencil feed pipe 1, lead for retractable pencil foreskin feed pipe 2 and penholder
In feed pipe 3, lead to the extrusion molding mouth 4 of three duct bottoms jointly for three feeding-passage ends, lead for retractable pencil, lead for retractable pencil foreskin and penholder material
Material is entered in the liner 10 of molding die 8 by extrusion molding mouth 4.After the completion of injection molding, start water pump 16, the cold water of water tank 15 is in cooling
Cooling tube 14 in forming cavity 11 along 10 outer wall ring-wound of liner circulates, and cools down to the pencil of liner 10, electronic
Controller is installed outside telescopic rod 22, temperature sensor is installed on liner 10, controller respectively with electric telescopic rod 22, temperature
The charging adapted to injection system connection for spending sensor, water pump 16 and outside, passes through plastics in temperature sensor real-time monitoring liner 10
The temperature of pencil, and signal is passed to controller, after plastic pencil is cooled and shaped to certain temperature, controller starting is electronic
Telescopic rod 22 pulls out bottom plate 20, carries out automatic demoulding.
The utility model advanced structure, can by lead for retractable pencil, lead for retractable pencil foreskin material and pencil arm one-time injection molding, and
Molding mold exterior is provided with cooling equipment, is not necessarily to subsequent cover die and cooling procedure, and production efficiency greatly improves, and right
Also entirely appropriate in production flexible plastic pencil, practicability is stronger.
Finally, it should be noted that the above is only the preferred embodiment of the utility model, it is not limited to practical
It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include
It is within the protection scope of the utility model.
Claims (6)
1. a kind of composite molding die of plastic pencil, which is characterized in that including lead for retractable pencil feed pipe (1), lead for retractable pencil feed pipe (1) is outside
Portion's spacer sleeve is equipped with lead for retractable pencil foreskin feed pipe (2), and lead for retractable pencil foreskin feed pipe (2) space outside is set with penholder feed pipe (3), lead
Core feed pipe (1), lead for retractable pencil foreskin feed pipe (2) and penholder feed pipe (3) are up big and down small vertebral body structure, shape between three
At three feeding-passages, lead to the extrusion molding mouth (4) of three duct bottoms jointly for three feeding-passage ends, below extrusion molding mouth (4)
It connects molding die (8), molding die (8) includes shell (9) and liner (10), is set as composite molding inside liner (10)
Chamber is set as being cooled and shaped chamber (11) between shell (9) and liner (10), and the external lower section of molding die (8) is provided with water inlet
(13), top is provided with water outlet (12), and water inlet (13) and water outlet (12) are communicated with chamber (11) are cooled and shaped, and is cooled and shaped
Have cooling tube (14) in chamber (11) along liner (10) outer wall ring-wound, cooling tube (14) one end is connect with water inlet (13), separately
One end is connect with water outlet (12), and water outlet (12) outer end passes through water-supply-pipe A (17) joining water box (15), the external peace of water tank (15)
The pump mouth of holding water pump (16), water pump (16) connects water tank (15), and discharge outlet is connected by water-supply-pipe B (18) and water inlet (13)
It is logical.
2. a kind of composite molding die of plastic pencil according to claim 1, which is characterized in that molding die (8) bottom
Portion is provided with gap (19), the card slot that gap (19) is recessed inwardly along one circle of inner wall setting, is embedded with bottom plate inside gap (19)
(20), the diameter of bottom plate (20) is adapted with the inner wall for being cooled and shaped chamber (11) in molding die (8), and bottom plate (20) is external laterally
It connects push-pull rod (21), push-pull rod (21) is connect with electric telescopic rod (22).
3. a kind of composite molding die of plastic pencil according to claim 1, which is characterized in that lead for retractable pencil feed pipe (1),
Sealing, three are disposed with lead for retractable pencil feed opening (5), lead at top at the top of lead for retractable pencil foreskin feed pipe (2) and penholder feed pipe (3)
Core foreskin feed opening (6) and penholder feed opening (7).
4. a kind of composite molding die of plastic pencil according to claim 1 or 2, which is characterized in that electric telescopic rod
(22) external that controller is installed, temperature sensor is installed on liner (10), controller respectively with electric telescopic rod (22), temperature
Spend the charging adapted to injection system connection of sensor, water pump (16) and outside.
5. a kind of composite molding die of plastic pencil according to claim 1, which is characterized in that extrusion molding mouth (4) with it is interior
Gallbladder is an integral molding structure between (10).
6. a kind of composite molding die of plastic pencil according to claim 2, which is characterized in that gap (19) setting exists
It is cooled and shaped the lower section of chamber (11), gap (19) is transparent structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821000159.3U CN208558143U (en) | 2018-06-27 | 2018-06-27 | A kind of composite molding die of plastic pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821000159.3U CN208558143U (en) | 2018-06-27 | 2018-06-27 | A kind of composite molding die of plastic pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208558143U true CN208558143U (en) | 2019-03-01 |
Family
ID=65488079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821000159.3U Expired - Fee Related CN208558143U (en) | 2018-06-27 | 2018-06-27 | A kind of composite molding die of plastic pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208558143U (en) |
-
2018
- 2018-06-27 CN CN201821000159.3U patent/CN208558143U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 |