CN212795855U - Internal stay frock is used in blowing - Google Patents
Internal stay frock is used in blowing Download PDFInfo
- Publication number
- CN212795855U CN212795855U CN202021435936.4U CN202021435936U CN212795855U CN 212795855 U CN212795855 U CN 212795855U CN 202021435936 U CN202021435936 U CN 202021435936U CN 212795855 U CN212795855 U CN 212795855U
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- CN
- China
- Prior art keywords
- connecting rod
- rod
- pivoted
- pull rod
- blow molding
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- Expired - Fee Related
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- 238000007664 blowing Methods 0.000 title abstract description 19
- 238000000071 blow moulding Methods 0.000 claims abstract description 23
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000013138 pruning Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000009966 trimming Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010101 extrusion blow moulding Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Images
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of the blowing application apparatus, especially, relate to an internal stay frock is used in blowing. Including a pull rod and interior supporting unit, a base is installed to the pull rod bottom, and interior supporting unit installs on the pull rod, and interior supporting unit includes telescopic part and two supporting parts, and telescopic part is connected with the pull rod, and two supporting parts set up mutually, and are connected to the telescopic part both sides respectively. The device is used for solving the problems that a blowing piece is difficult to fix manually and is easy to extrude and deform when the flash is removed. The two supporting parts extend into the blow-molding part when contracting, and the supporting parts are controlled to be propped open and connected to the inner wall of the blow-molding part through the telescopic parts, so that when the molded blow-molding part is trimmed, the stress applied to the outer wall from the outside when the surface of the blow-molding part is trimmed is offset, and the blow-molding part is not easy to deform when trimmed.
Description
Technical Field
The utility model belongs to the technical field of the blowing application apparatus, especially, relate to an internal stay frock is used in blowing.
Background
Blow molding is a common process for producing hollow products, most of blow molding is produced by an extrusion blow molding method at present, and the extrusion blow molding method basically comprises five steps, specifically, a tubular plastic parison obtained by extrusion molding of thermoplastic resin is placed in a split mold and cut off when the parison is hot or heated to a softened state, compressed air is introduced into the parison immediately after the mold is closed to blow the plastic parison to cling to the inner wall of the mold, and the finished product is obtained by cooling, demolding and trimming flash.
At present, the step of trimming the flash is mostly to trim the blow-molded part by manually removing the flash with a cutter after the blow-molded part is taken down, but because the molded blow-molded part is trimmed from the outside, the molded blow-molded part is difficult to fix during trimming, especially for the blow-molded part with a large volume, and the blow-molded part is easy to be extruded and deformed during trimming.
SUMMERY OF THE UTILITY MODEL
The technical problem that this application embodiment will solve lies in overcoming prior art not enough, provides an internal stay frock for blowing for manual difficult fixed blowing piece and the easy extrusion deformation's problem when solving and getting rid of the overlap.
The technical scheme for solving the technical problems in the embodiment of the application is as follows: the utility model provides an internal stay frock is used in blow molding, includes: the bottom of the pull rod is provided with a base;
interior supporting unit, interior supporting unit install in on the pull rod, interior supporting unit includes:
the telescopic component is connected with the pull rod;
two support members; the two supporting parts are arranged back to back and are respectively connected to the two sides of the telescopic part.
Compared with the prior art, the technical scheme has the following beneficial effects:
the flexible part that interior support unit includes and two supporting component interconnect, the supporting component that two back of the body set up of flexible part control struts and contracts, stretches into the blowing piece during two supporting component contracts, struts the butt on the inner wall of blowing piece through flexible part control supporting component for when pruning fashioned blowing piece, offset the stress of applying on the outer wall from the outside when pruning the blowing piece surface, make non-deformable when pruning the blowing piece.
Further, the telescopic member includes: the sleeve rod is sleeved on the pull rod, and openings are formed in two sides of the sleeve rod;
and the two connecting rod assemblies are arranged oppositely, one end of each connecting rod assembly is pivoted with the pull rod, the other end of each connecting rod assembly extends out of the opening and is pivoted with the supporting part, and the two connecting rod assemblies are also pivoted with the loop bar.
The beneficial effect of this step is: utilize coupling assembling to realize the flexible function of telescopic part, the pin joint of link assembly one end plays the fixed action of location on the connecting rod, and the other end and the support component pin joint still with the loop bar pin joint in the middle of the link assembly simultaneously, cup joint the loop bar with link assembly pin joint on the pull rod through sliding, can control link assembly's flexible deformation, advance to realize that two support component's extension supports and contract the adduction.
Further, the connecting rod assembly includes: the first end of the first connecting rod is pivoted with the pull rod;
a first end of the first connecting rod is pivoted with a first end of the first connecting rod, a second end of the first connecting rod is pivoted with the supporting part, and the first connecting rod and the second connecting rod are arranged in a non-collinear way;
the first end and the second end of the second connecting rod are pivoted with the sleeve rod, and the sleeve rod moves along the length direction of the pull rod to drive the second connecting rod to rotate around the pivoting point of the second connecting rod and the first connecting rod.
The beneficial effect of this step is: the connecting rod mechanism formed by two non-collinear connecting rods which are mutually pivoted has one end pivoted on the pull rod and the other end pivoted on the supporting part, the second connecting rod pivoted with the supporting part is also pivoted with the loop bar, the loop bar is moved, namely the second connecting rod is driven to rotate around the pivoting point of the two connecting rods, so that the included angle between the two rotating connecting rods is changed, the telescopic change of the non-pivoted end points of the two connecting rods is realized, and the telescopic motion of the supporting part pivoted at the end part of the second connecting rod is controlled.
Furthermore, a spring is sleeved on the pull rod and is positioned between the sleeve rod and the base.
Furthermore, an included angle opening between the second connecting rod and the first connecting rod faces towards the base.
The beneficial effect of this step is: the spring fixed between the base and the loop bar at the bottom of the pull rod and below the loop bar can push the loop bar upwards, and then the connecting rod assembly is controlled to be always in an extending or retracting state.
Further, the support member includes: the connecting plate is connected with the telescopic component;
the backup pad, the backup pad is detachable installs on the connecting plate, the backup pad with the connecting plate sets up perpendicularly.
The beneficial effect of this step is: the connecting plate in the supporting component is detachably connected with the supporting plate, and is used for replacing supporting plates with different shapes and adapting to blow molding pieces with inner walls with different shapes.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the flexible part that interior support unit includes and two supporting component interconnect, the supporting component that two back of the body set up of flexible part control struts and contracts, stretches into the blowing piece during two supporting component contracts, struts the butt on the inner wall of blowing piece through flexible part control supporting component for when pruning fashioned blowing piece, offset the stress of applying on the outer wall from the outside when pruning the blowing piece surface, make non-deformable when pruning the blowing piece.
2. The spring fixed between the base and the loop bar at the bottom of the pull rod and below the loop bar can push the loop bar upwards, and then the connecting rod assembly is controlled to be always in an extending or retracting state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure according to the embodiment of the present invention.
Fig. 2 is a schematic longitudinal sectional view of fig. 1.
Reference numerals:
1. a pull rod;
2. an inner support unit; 21. a telescopic member; 211. a loop bar; 212. an opening; 213. a connecting rod assembly; 2131. a first link; 2132. a second link; 22. a support member; 221. a connecting plate; 222. a support plate;
3. a base;
4. a spring.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Examples
As shown in fig. 1 and 2, an embodiment of the present invention provides an internal support tool for blow molding, which is referred to as an internal support tool below, including: a pull rod 1 and internal stay unit 2, a base 3 is installed to pull rod 1 bottom, and the frock fixed stay that props in will whole through base 3 gets up, and wherein, internal stay unit 2 is installed on pull rod 1, and internal stay unit 2 includes: the telescopic component 21 is connected with the pull rod 1, and the two support components 22 are arranged in a back-to-back manner and are distributed and connected to two sides of the telescopic component 21.
The telescopic component 21 and the two supporting components 22 that the internal supporting unit 2 comprises are connected with each other, the telescopic component 21 controls the two supporting components 22 which are arranged oppositely to each other to be stretched and shrunk, the two supporting components 22 stretch into the blow molding part when being shrunk, the supporting components 22 are controlled by the telescopic component 21 to be stretched and abutted on the inner wall of the blow molding part, the stress applied to the outer wall from the outside when the surface of the blow molding part is trimmed is offset when the blow molding part is trimmed, and the blow molding part is not easy to deform when the blow molding part is trimmed.
As shown in fig. 1 and 2, the telescopic member 21 includes: the telescopic rod 211 is hollow, openings 212 are formed in two sides of the telescopic rod 211, the telescopic rod 211 is sleeved on the pull rod 1, steps are arranged on the portion, sleeved in the telescopic rod 211, of the pull rod 1, the four connecting rods are arranged on the step surface of the pull rod 1 in a group of two-by-two mode in a back-to-back mode, one end of each connecting rod assembly 213 is pivoted with the pull rod 1, the other end of each connecting rod assembly 213 extends out of the opening 212 to be pivoted with the supporting part 22, the two connecting rod assemblies 213 on the same side are connected to the same supporting part 22, and the four connecting rod assemblies;
the telescopic function of the telescopic part 21 is realized by utilizing the connecting component, one end of the connecting rod component 213 is pivoted on the connecting rod to play a role in positioning and fixing, the other end of the connecting rod component 213 is pivoted with the supporting part 22, meanwhile, the middle of the connecting rod component 213 is also pivoted with the loop bar 211, and the telescopic deformation of the connecting rod component 213 can be controlled by sliding the loop bar 211 which is sleeved on the pull rod 1 and pivoted with the connecting rod component 213, so that the extension, support and retraction of the two supporting parts 22 are realized;
specifically, as shown in fig. 2, the link assembly 213 includes: first connecting rod 2131 and second connecting rod 2132, first end of first connecting rod 2131 is pin-jointed with pull rod 1, first end of second connecting rod 2132 is pin-jointed with second end of first connecting rod 2131, second end of second connecting rod 2132 is pin-jointed with supporting component 22, second connecting rod 2132 and first connecting rod 2131 are arranged in a non-collinear way, a certain included angle is formed between first connecting rod 2131 and second connecting rod 2132, first end and second end on second connecting rod 2132 are pin-jointed with loop bar 211, loop bar 211 sleeved on pull rod 1 moves along the length direction of pull rod 1 to drive second connecting rod 2132 to rotate around the pin-jointed point of second connecting rod 2132 and first connecting rod 2131. The link mechanism formed by two non-collinear connecting rods which are pivoted with each other has one end pivoted on the pull rod 1 and the other end pivoted on the supporting part 22, the second connecting rod 2132 pivoted with the supporting part 22 is also pivoted with the loop bar 211, the loop bar 211 is moved, namely the second connecting rod 2132 is driven to rotate around the pivoting point of the two connecting rods, so that the included angle between the two rotating connecting rods is changed, the telescopic change of the non-pivoted end points of the two connecting rods is further realized, and the telescopic motion of the supporting part 22 pivoted at the end part of the second connecting rod 2132 is controlled.
In addition, as shown in fig. 1 and 2, a spring 4 is sleeved on the pull rod 1, the spring 4 is located between the loop bar 211 and the base 3, the spring 4 between the base 3 and the loop bar 211 can push the loop bar 211 upwards, and further control the connecting rod assembly 213 to be in an extended or retracted state all the time, when the spring 4 is compressed by manually sliding the loop bar 211, the state of the connecting rod assembly 213 is changed into an opposite retracted or extended state, and because the included angle opening 212 between the second connecting rod 2132 and the first connecting rod 2131 faces the direction of the base 3, when the spring 4 is normally in a supported state, the connecting rod assembly 213 is in an extended state, that is, the spring 4 supports the loop bar 211 upwards, the pivot point of the loop bar 211 and the second connecting rod 2132 is driven by the upward movement of the spring 4, and because the included angle between the two connecting rods faces the downward direction of the fixing ring, the upward movement direction is the direction of controlling the two connecting, that is, the support member 22 pivoted to the second connecting rod 2132 is controlled to be in the expanded state by the elastic force of the spring 4, the connecting rod assembly 213 is in the retracted state when the sleeve 211 is pressed downwards to compress the spring 4, and the two connecting rods are controlled to be in the retracted state by manually pressing the sleeve 211 downwards to compress the spring 4 during specific operation, so that the blow molding part is easily taken out of and placed on the inner support unit 2.
In the present embodiment, as shown in fig. 1 and 2, the support member 22 includes: the connecting plate 221 and the supporting plate 222, the connecting plate 221 is connected with the telescopic member 21, specifically, the connecting plate 221 is pivoted with the second end of the second connecting rod 2132, the supporting plate 222 is detachably mounted on the connecting plate 221, specifically, the supporting plate 222 is perpendicular to the connecting plate 221, specifically, the supporting plate 222 can vertically connect the supporting plate 222 to the connecting plate 221 in a clamping or inserting manner, when the connecting rod assembly 213 is expanded, the connecting plate 221 pivoted abuts against the supporting plate 222 to contact with the inner wall of the blow-molded part, so as to expand the blow-molded part, the connecting plate 221 and the supporting plate 222 in the supporting member 22 are detachably connected, and the connecting plate 221 and the supporting plate 222 can be used for replacing the supporting plate 222 with different shapes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a blow molding is with interior frock that props which characterized in that: the method comprises the following steps: the bottom of the pull rod is provided with a base;
interior supporting unit, interior supporting unit install in on the pull rod, interior supporting unit includes:
the telescopic component is connected with the pull rod;
two support members; the two supporting parts are arranged back to back and are respectively connected to the two sides of the telescopic part.
2. The internal stay frock is used to blow molding according to claim 1, characterized in that: the telescopic member includes: the sleeve rod is sleeved on the pull rod, and openings are formed in two sides of the sleeve rod;
and the two connecting rod assemblies are arranged oppositely, one end of each connecting rod assembly is pivoted with the pull rod, the other end of each connecting rod assembly extends out of the opening and is pivoted with the supporting part, and the two connecting rod assemblies are also pivoted with the loop bar.
3. The internal stay frock is used to blow molding according to claim 2, characterized in that: the connecting rod assembly includes: the first end of the first connecting rod is pivoted with the pull rod;
a first end of the first connecting rod is pivoted with a first end of the first connecting rod, a second end of the first connecting rod is pivoted with the supporting part, and the first connecting rod and the second connecting rod are arranged in a non-collinear way;
the first end and the second end of the second connecting rod are pivoted with the sleeve rod, and the sleeve rod moves along the length direction of the pull rod to drive the second connecting rod to rotate around the pivoting point of the second connecting rod and the first connecting rod.
4. The internal stay frock is used to blow molding according to claim 3, characterized in that: the pull rod is sleeved with a spring, and the spring is located between the sleeve rod and the base.
5. The internal stay frock is used to blow molding according to claim 3, characterized in that: the opening of an included angle between the second connecting rod and the first connecting rod faces towards the base.
6. The internal stay frock is used to blow molding according to claim 1, characterized in that: the support member includes: the connecting plate is connected with the telescopic component;
the backup pad, the backup pad is detachable installs on the connecting plate, the backup pad with the connecting plate sets up perpendicularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435936.4U CN212795855U (en) | 2020-07-20 | 2020-07-20 | Internal stay frock is used in blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435936.4U CN212795855U (en) | 2020-07-20 | 2020-07-20 | Internal stay frock is used in blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212795855U true CN212795855U (en) | 2021-03-26 |
Family
ID=75103582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021435936.4U Expired - Fee Related CN212795855U (en) | 2020-07-20 | 2020-07-20 | Internal stay frock is used in blowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212795855U (en) |
-
2020
- 2020-07-20 CN CN202021435936.4U patent/CN212795855U/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 |
Granted publication date: 20210326 |