CN114407284A - Injection method of internal injection continuous upper machine - Google Patents
Injection method of internal injection continuous upper machine Download PDFInfo
- Publication number
- CN114407284A CN114407284A CN202210100427.3A CN202210100427A CN114407284A CN 114407284 A CN114407284 A CN 114407284A CN 202210100427 A CN202210100427 A CN 202210100427A CN 114407284 A CN114407284 A CN 114407284A
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- Prior art keywords
- injection
- hole
- channel
- needle
- discharging
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Classifications
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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
- B29C45/20—Injection nozzles
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
Abstract
The injection method of the internal injection upper connecting machine adopts a novel injection head, can realize butt joint and communication operation of an injection needle and a shoe last injection shoe mold only through extension and retraction of a pushing assembly at the end part of a charging barrel under the condition that the charging barrel is fixed, can effectively shorten injection preparation time, improve injection efficiency and accelerate production beat of shoe making with upper connecting.
Description
Technical Field
The invention relates to an injection method of an internal injection upper connecting machine, and belongs to the technical field of upper connecting shoemaking injection molding.
Background
The common upper-connected shoemaking injection equipment realizes the insertion and communication of an injection head and a sole molding material injection hole by moving an injection material cylinder forwards and backwards. The inner injection connecting upper shoe making machine is as the Chinese utility model patent' authorization notice number: CN 210525673U; the date of authorized announcement: year 2020, 15/05; name: a novel shoe last injection and upper connecting injection machine is disclosed, wherein an injection charging barrel is connected or disconnected with a feeding hole in the top of a shoe last in an inserting mode in an up-and-down swinging mode. The upper-connected shoe making machine consumes a large amount of energy when moving up and down or moving back and forth the material cylinder, increases the operation preparation time of key parts in the injection process, has the defects of long injection preparation time and low production efficiency, and reduces the impact on a mold or a last when a material nozzle contacts a material injection hole when the material cylinder moves back and forth or moves up and down.
Disclosure of Invention
The invention aims to provide a novel injection method of an internal injection upper connecting machine, which adopts a novel injection head, can realize butt joint and communication operation of an injection needle and a last injection shoe mold only by stretching and retracting a pushing assembly at the end part of a charging barrel under the condition that the charging barrel is fixed, can effectively shorten injection preparation time, improve injection efficiency and accelerate the production beat of upper connecting shoe making.
The technical purpose of the invention is realized by the following technical scheme:
an injection method of an internal injection continuous upper machine comprises the following steps:
a. adjusting the charging barrel and an injection head fixed at the discharging end of the charging barrel to a set position, and keeping the charging barrel fixed;
b. moving the shoe lasting mold to the position below the injection head at the end part of the charging barrel;
c. moving a material injection needle on an injection head at the discharge end of the material cylinder downwards to enable an upper opening of a material channel in the material injection needle to be communicated with an inner hole of the material cylinder, communicating a lower opening of the material channel in the material injection needle with an inlet of a material injection hole of the last injection shoe mold, starting a screw rod in the material cylinder, and injecting molding materials into a mold cavity of the last injection shoe mold;
d. after the injection is finished, the injection needle is moved upwards, the upper opening of the material channel in the injection needle is staggered with the material barrel and is not communicated with the material barrel, the lower opening of the material channel in the injection needle is disconnected with the inlet of the material injection hole of the last injection shoe mold, and the injection is stopped;
e. and d, repeating the steps b-d in sequence, and injecting molding materials into the last injection shoe mold at the next station.
By adopting the technical scheme, the injection method of the internal injection continuous injection machine is provided, the step that the charging barrel moves back and forth or moves up and down is omitted, and the injection method has the advantages of simplicity and quickness in injection operation, short time consumption, high production efficiency and the like.
The invention is further provided with: the injection head used in the injection method is arranged at the end part of the material cylinder and is positioned above the inlet of the material injection hole of the last injection shoe mold, and comprises an injection head seat and a material stopping mechanism arranged on the injection head seat, wherein a first channel and a second channel which are communicated with each other are arranged in the injection head seat, an included angle is formed between the first channel and the second channel, the first channel is communicated with the material cylinder, and the second channel corresponds to the inlet of the material injection hole of the last injection shoe mold; the material blocking mechanism comprises a material injecting needle and a pushing assembly, the material injecting needle is arranged in the second channel in a sliding mode, the material injecting needle can axially slide in the second channel under the action of the pushing assembly, a side hole is formed in the side wall of the upper end or the middle upper section of a rod body of the material injecting needle, a channel with the upper end communicated with the side hole and the lower end penetrating through the lower end face of the rod body is arranged in the rod body on the lower side of the side hole, and the lower end of the material injecting needle corresponds to an inlet of a material injecting hole of the last injection shoe mold; when the injection needle is pushed to the uppermost position under the action of the pushing assembly, the side hole is staggered with the first channel, and the inner hole of the charging barrel is disconnected with the inner hole of the injection needle.
By adopting the technical scheme, the injection head is provided, the pushing assembly and the injection head are creatively combined, the material cylinder does not need to move forwards and backwards or vertically, the insertion and the communication of the injection head and the material injection hole of the last injection shoe mold can be simply, conveniently and quickly realized only by combining the pushing assembly at the end part of the material cylinder and the material injection needle, the step that the material cylinder moves forwards and backwards or vertically in the prior art can be omitted, the injection efficiency can be effectively accelerated, and the production takt of continuous shoe making is improved.
The invention is further provided with: the lower end of the injection needle is fixed with a universal ball body, the spherical surface of the lower end of the universal ball body is in sliding fit with a hemispherical cover body of a universal nozzle, an inner hole of the injection needle is communicated with an inner cavity of the universal nozzle through a channel in the universal ball body, the hemispherical cover body of the universal nozzle is clamped on the spherical surface of the universal ball body by a clamping sleeve, a discharge core nozzle is arranged in a barrel body of the universal nozzle in a sliding mode, a plugging piece at the inner end of the discharge core nozzle corresponds to a blocking table in the barrel body of the universal nozzle, the plugging piece can axially slide in a cavity above the blocking table, a discharge side hole is formed in the position, close to the plugging piece, of the discharge core nozzle, and the discharge side hole is communicated with the atmosphere through an inner hole of the discharge core nozzle; when the whole body of the discharging core nozzle is retracted into the universal nozzle, the inner hole of the discharging core nozzle is communicated with the channel of the universal ball body through the discharging side hole, and when the plugging piece of the discharging core nozzle is abutted against the blocking platform, the inner hole of the discharging core nozzle is disconnected with the channel of the universal ball body.
Through adopting above-mentioned technical scheme, the lower extreme at annotating the material needle has set a universal structure and has extruded the ejection of compact, not extrude the contact of not ejection of compact and arrange the material structure, makes the cooperation of annotating the material needle and mould feed port become easier, makes the row of injection head arrange more accurate of material control.
The invention is further provided with: the material injection needle is in sliding fit with the second channel.
Through adopting above-mentioned technical scheme, provide one kind about annotating the cooperation relation between material needle and the second passageway, the sliding fit relation both has better leakproofness, can guarantee again to annotate smooth and easy smooth slip of material needle in the second passageway.
The invention is further provided with: the pushing assembly is a cylinder, an electric cylinder or a hydraulic cylinder fixed on the injection head seat.
Through adopting above-mentioned technical scheme, adopt cylinder, electronic jar or pneumatic cylinder that have flexible function to annotate the material needle and push and pull, realize annotating the intercommunication and the disconnection in material needle hole and the feed cylinder.
The invention has the main beneficial effects that:
1. the invention provides a novel injection method of an internal injection upper connecting machine, which adopts a novel injection head, can realize butt joint and communication operation of an injection needle and a last injection shoe mold only by stretching of a pushing assembly at the end part of a charging barrel under the condition that the charging barrel is fixed, can effectively shorten the injection preparation time, improve the injection efficiency and accelerate the production beat of upper connecting shoe making;
2. the lower end of the injection needle is provided with the universal structure and the contact type discharging structure which can extrude and discharge materials and does not extrude and discharge materials, so that the injection needle is more easily matched with the feeding hole of the die, and the discharging control of the injection head is more accurate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the exterior of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is an enlarged view B in fig. 2.
In the figure, 1, a cartridge; 2. an injection head seat; 21. a first channel; 22. a second channel; 3. a push assembly; 4. injecting a material needle; 41. a side hole; 5. a universal ball; 6. a universal nozzle; 7. a card sleeve; 8. a discharging core nozzle; 81. a blocking member; 82. a discharge side hole; 9. and (7) material injection holes.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 4, an injection head of an internal injection upper connecting machine, which is arranged at the end of a charging barrel 1 and above an inlet of an injection hole 9 of a lasting mold (the lasting mold is a mold for injecting a sole molding material from the top to the bottom of a shoe tree), comprises an injection head seat 2 and a material blocking mechanism arranged on the injection head seat 2, wherein a first channel 21 and a second channel 22 which are communicated with each other are arranged in the injection head seat 2, an included angle is formed between the first channel 21 and the second channel 22, the first channel 21 is communicated with the charging barrel 1, and the second channel 22 is a straight channel and corresponds to the inlet of the injection hole 9 of the lasting mold; the material blocking mechanism comprises a material injecting needle 4 and a pushing assembly 3, the pushing assembly 3 is an air cylinder, an electric cylinder or a hydraulic cylinder which is fixed on the injection head seat 2, the material injecting needle 4 is arranged in the second channel 22 in a sliding mode, the material injecting needle 4 is in sliding fit with the second channel 22, the material injecting needle 4 can axially slide in the second channel 22 under the action of the pushing assembly 3, a side hole 41 is formed in the side wall of the upper end or the middle upper section of the rod body of the material injecting needle 4, a channel with the upper end communicated with the side hole 41 and the lower end penetrating through the lower end face of the rod body is arranged in the rod body on the lower side of the side hole 41, and the lower end of the material injecting needle 4 corresponds to the inlet of the material injecting hole 9 of the last shoe injection mold; when the injection needle 4 is pushed to the lowest position under the action of the pushing assembly 3, the side hole 41 is communicated with an inner hole of the charging barrel 1, the inner hole of the charging barrel 1 and the inner hole of the injection needle 4 form a passage, when the injection needle 4 is pushed to the highest position under the action of the pushing assembly 3, the side hole 41 and the first channel 21 are arranged in a staggered mode, and the inner hole of the charging barrel 1 and the inner hole of the injection needle 4 are disconnected.
The universal ball body 5 is fixed at the lower end of the injection needle 4, the spherical surface of the lower end of the universal ball body 5 is in sliding fit with the hemispherical cover body of the universal nozzle 6, the inner hole of the injection needle 4 is communicated with the inner cavity of the universal nozzle 6 through a channel in the universal ball body 5, the hemispherical cover body of the universal nozzle 6 is clamped on the spherical surface of the universal ball body 5 by adopting a clamping sleeve 7, the discharging core nozzle 8 is arranged in the barrel body of the universal nozzle 6 in a sliding manner, a blocking piece 81 at the inner end of the discharging core nozzle 8 corresponds to a blocking table 61 in the barrel body of the universal nozzle 6, the blocking piece 81 can axially slide in the cavity above the blocking table 61, a discharging side hole 82 is arranged at the position, close to the blocking piece 81, of the discharging core nozzle 8, and the discharging side hole 82 is communicated with the atmosphere through the inner hole of the discharging core nozzle 8; when the discharging core nozzle 8 is integrally retracted into the universal nozzle 6, the inner hole of the discharging core nozzle 8 is communicated with the channel of the universal ball body 5 through the discharging side hole 82, and when the plugging piece 81 of the discharging core nozzle 8 abuts against the baffle table 61, the inner hole of the discharging core nozzle 8 is disconnected with the channel of the universal ball body 5.
A method for injecting by adopting the injection head specifically comprises the following steps:
an injection method of an internal injection continuous upper machine comprises the following steps:
a. adjusting the charging barrel 1 and an injection head fixed at the discharging end of the charging barrel 1 to a set position, and keeping the charging barrel 4 fixed;
b. moving the shoe lasting mold to the position below the injection head at the end part of the charging barrel 1;
c. moving a material injection needle 4 on an injection head at the discharge end of a material barrel 1 downwards to enable an upper opening of a material channel in the material injection needle 4 to be communicated with an inner hole of the material barrel 1, communicating a lower opening of the material channel in the material injection needle 4 with an inlet of a material injection hole 9 of a last injection shoe mold, starting a screw rod in the material barrel 1, and injecting molding materials into a mold cavity of the last injection shoe mold;
d. after the injection is finished, the injection needle 4 is moved upwards, the upper opening of the material channel in the injection needle 4 is staggered with the charging barrel 1 and is not communicated, the lower opening of the material channel in the injection needle 4 is disconnected with the inlet of the material injection hole 9 of the shoe last injection mold, and the injection is stopped;
e. and d, repeating the steps b-d in sequence, and injecting molding materials into the last injection shoe mold at the next station.
Compared with the prior art, the injection method omits the step of moving the charging barrel 1 forwards and backwards or moving the charging barrel 1 up and down, and can conveniently and accurately realize the injection operation of the sole molding material only through the up and down movement of the injection needle 4 and the matched contact type discharging structure.
Claims (5)
1. An injection method of an internal injection continuous upper machine comprises the following steps:
a. adjusting the charging barrel (1) and an injection head fixed at the discharging end of the charging barrel (1) to a set position, and keeping the charging barrel (4) fixed;
b. moving the lasting mold to a position below an injection head at the end of the charging barrel (1);
c. moving down an injection needle (4) on an injection head at the discharge end of a charging barrel (1) to enable an upper opening of a material channel inside the injection needle (4) to be communicated with an inner hole of the charging barrel (1), enabling a lower opening of the material channel inside the injection needle (4) to be communicated with an inlet of a material injection hole (9) of a shoe last injection mold, starting a screw rod in the charging barrel (1), and injecting molding materials into a mold cavity of the shoe last injection mold;
d. after the injection is finished, the injection needle (4) is moved upwards, the upper opening of the material channel in the injection needle (4) is staggered and not communicated with the charging barrel (1), the lower opening of the material channel in the injection needle (4) is disconnected with the inlet of the material injection hole (9) of the last injection shoe mold, and the injection is stopped;
e. and d, repeating the steps b-d in sequence, and injecting molding materials into the last injection shoe mold at the next station.
2. The injection method of the internal injection upper connecting machine according to claim 1, wherein the injection method comprises the following steps: the injection head is arranged at the end part of the charging barrel (1), is positioned above an inlet of a material injection hole (9) of the shoe lasting mold and comprises an injection head seat (2) and a material blocking mechanism arranged on the injection head seat (2), a first channel (21) and a second channel (22) which are communicated with each other are arranged in the injection head seat (2), an included angle is formed between the first channel (21) and the second channel (22), the first channel (21) is communicated with the charging barrel (1), and the second channel (22) corresponds to the inlet of the material injection hole (9) of the shoe lasting mold; the method is characterized in that: the material blocking mechanism comprises an injection needle (4) and a pushing assembly (3), the injection needle (4) is arranged in a second channel (22) in a sliding mode, the injection needle (4) can axially slide in the second channel (22) under the action of the pushing assembly (3), a side hole (41) is formed in the side wall of the upper end or the middle upper section of a rod body of the injection needle (4), a channel with the upper end communicated with the side hole (41) and the lower end penetrating through the lower end face of the rod body is formed in the rod body on the lower side of the side hole (41), and the lower end of the injection needle (4) corresponds to an inlet of an injection hole (9) of the last injection shoe mold; when annotating material needle (4) propelling movement to the bottom position under the effect of propelling movement subassembly (3), side opening (41) and feed cylinder (1) hole switch-on, the hole of feed cylinder (1) and the hole of annotating material needle (4) form the route, when annotating material needle (4) propelling movement to the top position under the effect of propelling movement subassembly (3), side opening (41) and first passageway (21) stagger and arrange, the hole of feed cylinder (1) and the hole disconnection of annotating material needle (4).
3. The injection method of the internal injection upper connecting machine according to claim 2, characterized in that: a universal ball body (5) is fixed at the lower end of the material injection needle (4), the spherical surface at the lower end of the universal ball body (5) is in sliding fit with the hemispherical cover body of the universal nozzle (6), the inner hole of the injection needle (4) is communicated with the inner cavity of the universal nozzle (6) through a channel in the universal ball body (5), the hemispherical cover body of the universal nozzle (6) is clamped on the spherical surface of the universal ball body (5) by a clamping sleeve (7), a discharging core nozzle (8) is arranged in the cylinder body of the universal nozzle (6) in a sliding way, the plugging piece (81) at the inner end of the discharging core nozzle (8) corresponds to the baffle table (61) in the cylinder body of the universal nozzle (6), the blocking piece (81) can axially slide in the cavity above the baffle table (61), a discharging side hole (82) is arranged at the position of the discharging core nozzle (8) close to the plugging piece (81), the discharging side hole (82) is communicated with a discharging hole of the discharging core nozzle (8) through an inner hole of the discharging core nozzle (8); when the discharging core nozzle (8) retracts into the sleeve (6) to cause the plugging piece (81) to be separated from the blocking platform (61), the inner hole of the discharging core nozzle (8) is communicated with the channel of the universal sphere (5) through the discharging side hole (82), and when the discharging end of the discharging core nozzle (8) extends out of the discharging hole of the sleeve (6) to cause the plugging piece (81) to abut against the blocking platform (61), the inner hole of the discharging core nozzle (8) is disconnected from the channel of the universal sphere (5).
4. The injection method of the internal injection upper connecting machine according to claim 2, characterized in that: the material injection needle (4) is in sliding fit with the second channel (22).
5. The injection method of the internal injection upper connecting machine according to claim 2, characterized in that: the pushing assembly (3) is a cylinder, an electric cylinder or a hydraulic cylinder fixed on the injection head seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210100427.3A CN114407284A (en) | 2022-01-27 | 2022-01-27 | Injection method of internal injection continuous upper machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210100427.3A CN114407284A (en) | 2022-01-27 | 2022-01-27 | Injection method of internal injection continuous upper machine |
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| Publication Number | Publication Date |
|---|---|
| CN114407284A true CN114407284A (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210100427.3A Pending CN114407284A (en) | 2022-01-27 | 2022-01-27 | Injection method of internal injection continuous upper machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB750981A (en) * | 1954-06-23 | 1956-06-20 | Todeusz Dymsza | Apparatus for the injection of molten thermoplastic material into moulds |
| GB995243A (en) * | 1961-03-30 | 1965-06-16 | C I C Engineering Ltd | Improvements relating to injection moulding machines |
| CN207564858U (en) * | 2017-12-13 | 2018-07-03 | 泉州三川机械有限公司 | A kind of novel large bolus injection device |
| CN109624191A (en) * | 2019-01-08 | 2019-04-16 | 鄂州市源通塑胶机械有限责任公司 | A kind of side, novel last carving note company shoes lever injector |
-
2022
- 2022-01-27 CN CN202210100427.3A patent/CN114407284A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB750981A (en) * | 1954-06-23 | 1956-06-20 | Todeusz Dymsza | Apparatus for the injection of molten thermoplastic material into moulds |
| GB995243A (en) * | 1961-03-30 | 1965-06-16 | C I C Engineering Ltd | Improvements relating to injection moulding machines |
| CN207564858U (en) * | 2017-12-13 | 2018-07-03 | 泉州三川机械有限公司 | A kind of novel large bolus injection device |
| CN109624191A (en) * | 2019-01-08 | 2019-04-16 | 鄂州市源通塑胶机械有限责任公司 | A kind of side, novel last carving note company shoes lever injector |
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