CN114131900A - Die opening and closing device for hollow blow molding machine - Google Patents
Die opening and closing device for hollow blow molding machine Download PDFInfo
- Publication number
- CN114131900A CN114131900A CN202111382424.5A CN202111382424A CN114131900A CN 114131900 A CN114131900 A CN 114131900A CN 202111382424 A CN202111382424 A CN 202111382424A CN 114131900 A CN114131900 A CN 114131900A
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- Prior art keywords
- moving
- mold
- die
- mould
- opening
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- 238000000071 blow moulding Methods 0.000 title claims abstract description 31
- 238000003466 welding Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Images
Classifications
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mold opening and closing device for a hollow blow molding machine, which comprises a mold moving bracket and two mold moving modules; the upper surface of the mould moving bracket is provided with a placing groove along the length direction of the mould moving bracket, and the placing groove penetrates through the left end and the right end of the mould moving bracket; two mould moving oil cylinders are horizontally arranged in the placing groove in opposite directions; die moving seats are horizontally fixed at the end parts of the hydraulic rods on the two die moving oil cylinders; the two die moving modules are respectively fixed on the two die moving bases; the mold moving module comprises an outer template, an inner template, a mold opening and closing oil cylinder and an oil cylinder fixing seat; the outer template is vertically fixed at one end of the die moving seat, the die opening and closing oil cylinder is horizontally fixed at the other end of the die moving seat through the oil cylinder fixing seat, and a hydraulic rod on the die opening and closing oil cylinder points to the outer template; the inner template is vertically fixed at the end part of a hydraulic rod on the die opening and closing oil cylinder. The invention effectively improves the production efficiency of the blow molding machine.
Description
Technical Field
The invention belongs to the technical field of XPS plastic extruders, and particularly relates to a mold opening and closing device for a hollow blow molding machine.
Background
A central blow molding machine is a plastic processing machine, which is called a hollow blow molding machine, and after liquid plastic is extruded through an extrusion device, the plastic is blown to a mold cavity with a certain shape by using the wind power blown by the machine, so as to manufacture a product. Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The thermoplastic resin is extruded or injection molded to obtain tubular plastic parison, which is hot or heated to soften, and then placed in a split mold, after the mold is closed, compressed air is introduced into the parison to blow the plastic parison to cling to the inner wall of the mold, and after cooling and demolding, various hollow products are obtained. The blow molding machine is provided with a mold opening and closing mechanism,
at present, only one mold opening and closing mechanism is usually arranged on a blow molding machine, so that the efficiency of processing and molding plastics is relatively low.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention aims to: the mold opening and closing device for the hollow blow molding machine is provided, and the production efficiency of the blow molding machine is effectively improved.
A mould opening and closing device for a hollow blow molding machine comprises a mould moving bracket and two mould moving modules;
the upper surface of the mould moving bracket is provided with a placing groove along the length direction of the mould moving bracket, and the placing groove penetrates through the left end and the right end of the mould moving bracket; two mold moving oil cylinders are horizontally arranged in the placing groove in opposite directions, and hydraulic rods on the two mold moving oil cylinders respectively point to two ends of the mold moving support; die moving seats are horizontally fixed at the end parts of the hydraulic rods on the two die moving oil cylinders; the two mould moving seats are symmetrical about the central plane of the placing groove;
the two die moving modules are respectively fixed on the two die moving seats; the mould moving module comprises an outer mould plate, an inner mould plate, a mould opening and closing oil cylinder and an oil cylinder fixing seat; the outer template is vertically fixed at one end of the die moving seat, the die opening and closing oil cylinder is horizontally fixed at the other end of the die moving seat through an oil cylinder fixing seat, and a hydraulic rod on the die opening and closing oil cylinder points to the outer template; the inner template is vertically fixed at the end part of a hydraulic rod on the die opening and closing oil cylinder; the outer template is matched with the inner template.
Preferably, both sides of the die moving seat are horizontally provided with limiting rods; the two sides of the inner template are both provided with a sleeving part, and the inner template is slidably sleeved on the limiting rod through the sleeving parts on the two sides.
Preferably, the central position of the placing groove on the mold moving bracket is provided with an inductor, and the inductor is in signal connection with the controllers on the two mold moving oil cylinders.
Preferably, the corner position of the bottom of the mould moving support is fixed with a matched welding plate, and the bottom of the matched welding plate is provided with an anti-slip rubber layer.
Preferably, sliding grooves are formed in the two sides of the top of the die moving support along the length direction of the die moving support, sliding blocks are arranged on the two sides of the bottom of the die moving seat, the sliding blocks are matched with the sliding grooves, and the die moving seat is arranged on the sliding grooves in a sliding mode through the sliding blocks.
Preferably, the bottom of the sliding block is provided with a plurality of pulleys, and the die moving seat is arranged on a sliding groove on the die moving bracket in a sliding manner through the pulleys on the sliding blocks on the two sides of the die moving seat.
Compared with the prior art, the invention has the beneficial effects that:
(1) the two mold moving modules are arranged on the mold moving bracket in a sliding manner, so that the plastic parts can be subjected to blow molding and mold closing operation alternately and orderly, and the molding efficiency of the plastic parts is effectively improved;
(2) simple structure and convenient use.
Drawings
In order to more clearly illustrate the technical solutions in the specific 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 described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic structural view 1 of a mold opening and closing device for a hollow blow molding machine according to the present embodiment;
fig. 2 is a schematic structural view of a mold opening and closing device for a hollow blow molding machine in the present embodiment;
fig. 3 is a front view of a mold opening and closing device for a hollow blow molding machine in the present embodiment;
fig. 4 is a side view of the mold opening and closing device for the hollow blow molding machine in this embodiment.
Detailed Description
The technical solutions in the specific embodiments of the present invention will be clearly and completely described below, and it should be understood 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.
As shown in fig. 1 to 4, the mold opening and closing device for the hollow blow molding machine comprises a mold moving bracket 1 and two mold moving modules 2;
the upper surface of the mould moving bracket 1 is provided with a placing groove 101 along the length direction, and the placing groove 101 penetrates through the left end and the right end of the mould moving bracket 1; two mold moving oil cylinders 203 are horizontally and oppositely arranged in the placing groove 101, and hydraulic rods on the two mold moving oil cylinders 203 respectively point to two ends of the mold moving support 1; the end parts of the hydraulic rods on the two mould moving oil cylinders 203 are horizontally fixed with mould moving seats 206; the two die shifting bases 206 are symmetrical with respect to the central plane of the placement slot 101.
As shown in fig. 2 and 3, two of the mold-moving modules 2 are respectively fixed on two of the mold-moving bases 206; the mold moving module 2 comprises an outer mold plate 201, an inner mold plate 202, a mold opening and closing oil cylinder 205 and an oil cylinder fixing seat 204; the outer template 201 is vertically fixed at one end of the die moving seat 206, the die opening and closing cylinder 205 is horizontally fixed at the other end of the die moving seat 206 through the cylinder fixing seat 204, and a hydraulic rod on the die opening and closing cylinder 205 points to the outer template 201; the inner template 202 is vertically fixed at the end part of a hydraulic rod on the mold opening and closing oil cylinder 205; the outer template 201 and the inner template 202 are matched to form a mold for forming plastic parts.
In this embodiment, both sides of the die shift seat 206 are horizontally provided with a limit rod 208; the two sides of the inner template 202 are both provided with the sleeving parts 209, the inner template 202 is sleeved on the limiting rod 208 in a sliding mode through the sleeving parts 209 on the two sides, and therefore the inner template 202 can be effectively prevented from deviating and the moving linearity of the inner template can be guaranteed.
In addition, the central position of the placing groove 101 on the mold moving bracket 1 is provided with an inductor 4, and the inductor 4 is in signal connection with the controllers on the two mold moving oil cylinders 203. So set up, be convenient for make two mould moving module 2 be located outside hollow blow molding machine's discharge gate under, make things convenient for the accurate ejection of compact of blow molding machine.
When the mold transfer module works, firstly, any mold transfer module is driven by the mold transfer cylinder 203 connected with the mold transfer module to move on the mold transfer bracket 1 to a position right below a discharge port of an external blow molding machine, the sensor 4 sends a signal, at the moment, a hydraulic rod on the mold transfer cylinder 203 stops moving, the mold opening and closing cylinder 205 on the mold transfer module 2 is started, so that the inner mold plate 202 is attached to the outer mold plate 201, and molten plastic in the blow molding machine flows into a cavity formed by the inner mold plate 202 and the outer mold plate 201; then the mold moving oil cylinder 203 is started again, so that the mold moving module 2 moves towards the end part of the mold moving support 1, an air blowing device on an external blow molding machine blows air to the mold, then the mold opening and closing oil cylinder 205 is opened, and a product is taken out; when the mold transferring module 2 moves from the center of the placing groove 101 to one end, the mold transferring template on the other mold transferring module starts to be started, the steps are the same as the operation steps of the first mold transferring module, and the forming efficiency of the plastic part is improved.
The bottom corner position of the mould moving support 1 is fixed with the matched welding plate 3, and the bottom of the matched welding plate 3 is provided with an anti-skid rubber layer to play a role in skid resistance.
In this embodiment, in order to ensure the linearity of the moving direction of the die-moving seat 206, sliding grooves are formed in two sides of the top of the die-moving support 1 along the length direction of the die-moving support 1, sliding blocks are arranged in two sides of the bottom of the die-moving seat 206, the sliding blocks are adapted to the sliding grooves, and the die-moving seat 206 is slidably disposed on the sliding grooves through the sliding blocks, so as to ensure the accuracy of the moving direction of the die-moving seat. Furthermore, the bottom of the sliding block is provided with a plurality of pulleys, and the die moving seat 206 is arranged on the sliding groove of the die moving support 1 in a sliding manner through the pulleys on the sliding blocks on the two sides of the die moving seat, so that friction force is reduced, and the die moving seat is convenient to move.
The mold opening and closing device for a hollow blow molding machine provided by the invention is described in detail, the structure and the working principle of the invention are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of the present invention, which is protected by the new claims.
Claims (5)
1. The mold opening and closing device for the hollow blow molding machine is characterized by comprising a mold moving bracket and two mold moving modules;
the upper surface of the mould moving bracket is provided with a placing groove along the length direction of the mould moving bracket, and the placing groove penetrates through the left end and the right end of the mould moving bracket; two mold moving oil cylinders are horizontally arranged in the placing groove in opposite directions, and hydraulic rods on the two mold moving oil cylinders respectively point to two ends of the mold moving support; die moving seats are horizontally fixed at the end parts of the hydraulic rods on the two die moving oil cylinders; the two mould moving seats are symmetrical about the central plane of the placing groove;
the two die moving modules are respectively fixed on the two die moving seats; the mould moving module comprises an outer mould plate, an inner mould plate, a mould opening and closing oil cylinder and an oil cylinder fixing seat; the outer template is vertically fixed at one end of the die moving seat, the die opening and closing oil cylinder is horizontally fixed at the other end of the die moving seat through an oil cylinder fixing seat, and a hydraulic rod on the die opening and closing oil cylinder points to the outer template; the inner template is vertically fixed at the end part of a hydraulic rod on the die opening and closing oil cylinder; the outer template is matched with the inner template;
limiting rods are horizontally arranged on the two sides of the die moving seat; the two sides of the inner template are both provided with a sleeving part, and the inner template is slidably sleeved on the limiting rod through the sleeving parts on the two sides.
2. The mold opening and closing device for the hollow blow molding machine as claimed in claim 1, wherein a sensor is provided at the center of the placement groove on the mold-moving bracket, and the sensor is in signal connection with the controllers on the two mold-moving cylinders.
3. The mold opening and closing device for the hollow blow molding machine as claimed in claim 1, wherein the bottom corner of the mold moving support is fixed with a welding plate, and the bottom of the welding plate is provided with an anti-slip rubber layer.
4. The mold opening and closing device for the hollow blow molding machine according to any one of claims 1 to 3, wherein sliding grooves are formed on both sides of the top of the mold moving support along the length direction of the mold moving support, sliding blocks are arranged on both sides of the bottom of the mold moving base, the sliding blocks are matched with the sliding grooves, and the mold moving base is slidably arranged on the sliding grooves through the sliding blocks.
5. The mold opening and closing device for hollow blow molding machine as claimed in claim 4, wherein the bottom of the slide block is provided with a plurality of pulleys, and the mold moving base is slidably disposed on the slide groove of the mold moving bracket through the pulleys on the slide blocks on both sides of the mold moving base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382424.5A CN114131900A (en) | 2021-11-22 | 2021-11-22 | Die opening and closing device for hollow blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382424.5A CN114131900A (en) | 2021-11-22 | 2021-11-22 | Die opening and closing device for hollow blow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114131900A true CN114131900A (en) | 2022-03-04 |
Family
ID=80390909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382424.5A Pending CN114131900A (en) | 2021-11-22 | 2021-11-22 | Die opening and closing device for hollow blow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114131900A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882973Y (en) * | 2005-07-22 | 2007-03-28 | 倪美琴 | Multi-layer double-station extruding injection moulding machine |
| CN203818557U (en) * | 2014-03-05 | 2014-09-10 | 阮美香 | Single-die-head double-station blow-molding machine |
| CN207028148U (en) * | 2017-08-15 | 2018-02-23 | 张家港市普信机械有限公司 | Efficient automatic blow molding machine |
-
2021
- 2021-11-22 CN CN202111382424.5A patent/CN114131900A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2882973Y (en) * | 2005-07-22 | 2007-03-28 | 倪美琴 | Multi-layer double-station extruding injection moulding machine |
| CN203818557U (en) * | 2014-03-05 | 2014-09-10 | 阮美香 | Single-die-head double-station blow-molding machine |
| CN207028148U (en) * | 2017-08-15 | 2018-02-23 | 张家港市普信机械有限公司 | Efficient automatic blow molding machine |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220304 |
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| RJ01 | Rejection of invention patent application after publication |