CN202412686U - Blowing needle mechanism of hollow molding machine - Google Patents
Blowing needle mechanism of hollow molding machine Download PDFInfo
- Publication number
- CN202412686U CN202412686U CN2012200243086U CN201220024308U CN202412686U CN 202412686 U CN202412686 U CN 202412686U CN 2012200243086 U CN2012200243086 U CN 2012200243086U CN 201220024308 U CN201220024308 U CN 201220024308U CN 202412686 U CN202412686 U CN 202412686U
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- blow
- needles
- needle
- blow needle
- blowing
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- 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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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility mode discloses a blowing needle mechanism of a hollow molding machine, which belongs to the technical field of hollow molding machines and comprises a machine frame for installing two blowing needles slidingly. The blowing needle mechanism of the hollow molding machine is characterized in that a synchronous mechanism enabling the two blowing needle to extend synchronously is arranged on the machine frame, a lifting mechanism capable of enabling the machine frame to ascend or descend is mounted below the machine frame, outer threads are arranged at the tops of the blowing needles, and a first driving device for driving the blowing needles to rotate around a central axis is arranged at the bottoms of the blowing needles. In a descending process of the blowing needles, the first driving device drives the blowing needles to rotate simultaneously so as to enable the blowing needles to be screwed out from a hollow plastic product, inner threads are formed, and core spinning is completed. The synchronous mechanism is arranged on the blowing needles, the lifting mechanism is arranged below the machine frame for installing the blowing needles in connecting mode, lifting, synchronous extending and the core spinning of the blowing needles are integrated, and flexibility and convenience of equipment are improved.
Description
Technical field
The utility model relates to the blow moulding machine technical field, relates in particular to a kind of blow moulding machine blow needle mechanism.
Background technology
The blow needle mechanism of blow moulding machine is the main device that carries out blowing, through blow needle the material base in the mould is blown and processes required hollow plastic product, and utilizing blow needle mechanism to carry out blowing has following a few step usually; At first two blow needles rise, stretch into material base in, two blow needles expand to correct position then; Material base two side mold matched moulds, blow needle are blown in material base and are made material base be adjacent to the mould inboard, continue a period of time; Behind the mould molding; Two blow needles descend, and from the hollow plastic product of moulding, extract, and present blow needle mechanism structure not too rationally has following several shortcoming:
Be to drive during the expansion of (1) two blow needle, do not accomplish usually to be synchronized with the movement by different drive units;
(2) two blow needles are normally made the opening of hollow plastic product from the position that hollow plastic product is extracted, and some hollow plastic product need be made internal thread at opening part, and existing blow needle mechanism can't revolve core and make internal thread;
(3) blow needle needs constantly to go up and down, and the part of existing blow needle mechanism and responsible up-down is split, and the structure more complicated is installed more complicated.
Summary of the invention
The utility model technical problem to be solved is: a kind of up-down is provided, expands and revolve the blow needle mechanism of core one synchronously.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of blow moulding machine blow needle mechanism; The frame that comprises two blow needles that are used to be slidingly installed, said frame are provided with and make the two blow needles lazy-tongs of expansion synchronously, and the below of said frame is equipped with the elevating mechanism that makes frame rise or descend; The top of said blow needle is provided with external screw thread, and said blow needle bottom is provided with and drives first drive unit of blow needle along the central shaft rotation.
As a kind of preferred; Said lazy-tongs comprise the push rod that is fixedly connected on respectively on said two blow needles, are equipped with tooth bar on described two push rods, and said two push rods laterally arrange; The bearing of trend of said two push rods is consistent with the glide direction of blow needle; The tooth bar of said two push rods is engaged on the same gear, and said two push rods are positioned at the both sides of said gear center of rotation, and wherein blow needle of said two blow needles is connected with second drive unit that drives this blow needle motion.
As a kind of preferred, said elevating mechanism comprises support, is slidingly fitted with guide post on the said support, and the upper end of said guide post and said frame are fixedly installed togather, and is installed with on the said support and drives the 3rd drive unit that said frame is gone up and down.
As a kind of preferred, said first drive unit is a motor.
As a kind of preferred, said second drive unit is first oil cylinder.
As a kind of preferred, said the 3rd drive unit is second oil cylinder.
Owing to adopted technique scheme, the top of blow needle is provided with external screw thread, is provided with first drive unit in the bottom of blow needle; In the process that blow needle descends, first drive unit rotates blow needle simultaneously, makes blow needle by screwing out in the hollow plastic product; Thereby the formation internal thread accomplishes and revolve core, and blow needle is provided with lazy-tongs; The frame below that blow needle is installed connects elevating mechanism, therefore can make the up-down of blow needle, expand and revolve the core one synchronously, has improved flexibility and convenience that equipment uses.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the lazy-tongs of the utility model embodiment;
Among the figure: 1, blow needle; 2, frame; 21, lead; 3, the first oil cylinders; 4, motor; 5, elevating mechanism; 51, support; 52, the second oil cylinders; 53, guide post; 6, mount pad; 7, push rod; 71, tooth bar; 8, gear.
The specific embodiment
As depicted in figs. 1 and 2; A kind of blow moulding machine blow needle 1 mechanism comprises the frame 2 of two blow needles 1 that are used to be slidingly installed, and said frame 2 comprises two leads that are parallel to each other 21; Said two blow needles 1 are slidingly mounted on the said lead 21; Said frame 2 is provided with and makes two blow needles 1 lazy-tongs of expansion synchronously, and the below of said frame 2 is equipped with the elevating mechanism 5 that makes frame 2 rise or descend, and the top of said blow needle 1 is provided with external screw thread; Said blow needle 1 bottom is provided with and drives first drive unit of blow needle 1 along the central shaft rotation, and said first drive unit is a motor 4;
As shown in Figure 2, Fig. 2 is observable sketch map from the rear of Fig. 1, and said lazy-tongs comprise the push rod 7 that is fixedly connected on respectively on said two blow needles 1; Be equipped with tooth bar 71 on said two push rods 7, said two push rods 7 laterally arrange, and the bearing of trend of said two push rods 7 is consistent with the glide direction of blow needle 1; The tooth bar 71 of said two push rods 7 is engaged on the same gear 8; And said two push rods 7 are positioned at the both sides of said gear 8 centers of rotation, and said gear 8 is rotatably installed on the mount pad 6, and said mount pad 6 is installed on the frame 2; The bearing of trend of said two push rods 7 is consistent with the glide direction of blow needle 1; Wherein blow needle 1 of said two blow needles 1 is connected with second drive unit that drives this blow needle 1 motion, and said second drive unit is first oil cylinder 3; Said first oil cylinder 3 is fixedly installed on the frame 2, and first oil cylinder 3 can be seen from Fig. 1;
Said elevating mechanism 5 comprises support 51; Be slidingly fitted with guide post 53 on the said support 51; The upper end of said guide post 53 and said frame 2 are fixedly installed togather; Be installed with on the said support 51 and drive the 3rd drive unit that said frame 2 is gone up and down, said the 3rd drive unit is second oil cylinder 52.
The operation principle of the utility model is: in the mould that material base get into to separate, second oil cylinder 52 starts and promotes frames 2 and rise, thereby two blow needles 1 are inserted in the material base, arrive suitable height after; 52 stop motions of second oil cylinder, first oil cylinder 3 starts then, promotes a wherein blow needle 1 slip, and another blow needle 1 is under the structure that gear 8 and tooth bar 71 match; Do opposite motion, two blow needles 1 are expanded synchronously, when extension arrives suitable width, and 3 stop motions of first oil cylinder; Two blow needles, 1 fixed-site, mould matched moulds then, blow needle 1 is blown in material base and is carried out blowing, after a period of time; Stop to blow, the material base moulding starts second oil cylinder 52 frame 2 is descended; Starter 4 makes blow needle 1 rotation simultaneously, and the opening part that external screw thread makes plastic products insert blow needle 1 on blow needle 1 forms internal thread, in the above-mentioned steps; The utility model can be accomplished up-down, expand and revolve core synchronously, and is easy to use, improved operating efficiency.
Claims (6)
1. blow moulding machine blow needle mechanism; The frame that comprises two blow needles that are used to be slidingly installed; It is characterized in that: said frame is provided with and makes the two blow needles lazy-tongs of expansion synchronously; The below of said frame is equipped with the elevating mechanism that makes frame rise or descend, and the top of said blow needle is provided with external screw thread, and said blow needle bottom is provided with and drives first drive unit of blow needle along the central shaft rotation.
2. blow moulding machine blow needle as claimed in claim 1 mechanism; It is characterized in that: said lazy-tongs comprise the push rod that is fixedly connected on respectively on said two blow needles; Be equipped with tooth bar on described two push rods; Said two push rods laterally arrange, and the bearing of trend of said two push rods is consistent with the glide direction of blow needle, and the tooth bar of said two push rods is engaged on the same gear; And said two push rods are positioned at the both sides of said gear center of rotation, and wherein blow needle of said two blow needles is connected with second drive unit that drives this blow needle motion.
3. according to claim 1 or claim 2 blow moulding machine blow needle mechanism; It is characterized in that: said elevating mechanism comprises support; Be slidingly fitted with guide post on the said support; Said guide post and frame are fixedly installed togather, and are equipped with on the said support to drive the 3rd drive unit that said frame is gone up and down.
4. blow moulding machine blow needle as claimed in claim 1 mechanism, it is characterized in that: said first drive unit is a motor.
5. blow moulding machine blow needle as claimed in claim 2 mechanism, it is characterized in that: said second drive unit is first oil cylinder.
6. blow moulding machine blow needle as claimed in claim 3 mechanism, it is characterized in that: said the 3rd drive unit is second oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200243086U CN202412686U (en) | 2012-01-18 | 2012-01-18 | Blowing needle mechanism of hollow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200243086U CN202412686U (en) | 2012-01-18 | 2012-01-18 | Blowing needle mechanism of hollow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202412686U true CN202412686U (en) | 2012-09-05 |
Family
ID=46737478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200243086U Expired - Fee Related CN202412686U (en) | 2012-01-18 | 2012-01-18 | Blowing needle mechanism of hollow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202412686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995186A (en) * | 2018-08-21 | 2018-12-14 | 潍坊市华玉塑料机械有限公司 | L ring plastic barrel blow moulding machine blowning installation |
-
2012
- 2012-01-18 CN CN2012200243086U patent/CN202412686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995186A (en) * | 2018-08-21 | 2018-12-14 | 潍坊市华玉塑料机械有限公司 | L ring plastic barrel blow moulding machine blowning installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20150118 |
|
| EXPY | Termination of patent right or utility model |