CN201677495U - Glass fiber reinforced plastic anchor rod forming die head and molding facility - Google Patents
Glass fiber reinforced plastic anchor rod forming die head and molding facility Download PDFInfo
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- CN201677495U CN201677495U CN2010202978196U CN201020297819U CN201677495U CN 201677495 U CN201677495 U CN 201677495U CN 2010202978196 U CN2010202978196 U CN 2010202978196U CN 201020297819 U CN201020297819 U CN 201020297819U CN 201677495 U CN201677495 U CN 201677495U
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- die head
- die
- anchor rod
- fibre reinforced
- reinforced plastics
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Abstract
Disclosed is a glass fiber reinforced plastic anchor rod forming die head, including a die head exit end and a die cavity located in the die head exit end, wherein a die head export is provided at the die head exit end, so that the not cured anchoring bolt body formed by glass fiber yarn perforates from the die cavity along the first direction, so that the anchoring bolt body leads out from the die head export after molding, wherein, a lead-in perforation hole penetrating the die cavity is provided on the die head exit end along a second direction perpendicular to the first direction, so that the wrapping strip perforates the lead-in perforation hole to perform threaded wounding to the not cured anchoring bolt body.
Description
Technical field
The utility model relates generally to molding die and the former that is used for glass fibre reinforced plastics rockbolts is carried out moulding.
Background technology
Anchor pole is mainly used in supporting, the anchoring of country rock face, slope anchorage and all kinds of underground engineering support, the deep basal pit anchoring in supporting, the tunnel of coal mine roadway and alternate heading etc.Wherein, glass fibre reinforced plastics rockbolts because of it has can cutting, antistatic, fire-retardant non-metallic characteristics, the intensity height, good endurance, in light weight, can satisfy the requirement that industry security is produced, replace the conventional metals anchor pole gradually, be used widely.
Fig. 1 shows the manufacturing process of glass fibre reinforced plastics rockbolts.As shown in the figure, under the traction of hauling machine 36, glass yarn 31 on the creel 30 is after immersing plastic holding device 32 impregnating resins, enter former, molding die 33 by wherein is an anchor pole 35 with the glass yarn forming, and by the take-up strap (not shown) anchor pole of extrusion molding die head 33 is carried out screw thread and twine, form screw thread in its surface.Subsequently, the anchor pole of moulding passes hauling machine 36 and enters cutting machine 37 by after drying tunnel 34 dryings, is cut to the glass fibre reinforced plastics rockbolts of predetermined length by cutting machine 37.
In the pultrusion process of glass fibre reinforced plastics rockbolts, molding die plays key effect to the control of anchor pole physical dimension.The die head that present each forming machine using drawing and extrusion is joined is unthreaded hole, this die head plays a part control anchor pole excircle dimension, the moulding of screw thread is by the flexible take-up strap in the mounting disc of rotation, by rotation, take-up strap tightly is wrapped on the radially static relatively uncured anchor rod body, because the uncured body of rod is radially static relatively, but axially moves forward under the effect of hauling machine tractive force, so just reins in out screw thread on uncured anchor pole always.
Fig. 2 shows the structure of conventional former and molding die wherein.As shown in Figure 2, unthreaded hole die head 336 is installed on the bearing block 332, the drum 337 that is wound with take-up strap 333 is fixed in the mounting disc 334, and can on bearing block 332, rotate with mounting disc 334, glass yarn 31 enters the unthreaded hole die head and builds up to shaft-like under the traction of hauling machine, form uncured anchor rod body, and after being drawn out die head, on uncured anchor rod body, pull out screw thread by the take-up strap of rotation.
But there is following shortcoming in this unthreaded hole die head:
The unthreaded hole die head can only be controlled the outside dimension of the body of rod, the tooth distance of screw thread and the depth of screw thread all can not get control, and after the body of rod goes out die head, under the effect of take-up strap tightening force, when pulling out the certain depth screw thread, the body of rod also expands to direction radially in the zone of not twining take-up strap, thereby not only tooth is bad apart from, depth of threat control, and also there is very big problem in external diameter;
The unthreaded hole die head is mounted on the bearing block, can not rotate with mounting disc during work, form relative motion between mounting disc and die head like this, this relative motion make the glass yarn that enters die head produce one twist with the fingers to, this sth. made by twisting is to the raising that helps lever strength, yet this sth. made by twisting retrains it to lack a power in forming process, dismiss once going out the pulling force that die head is pulled machine, therefore seem to have formed to twist with the fingers and play a role to but failing.
For this reason, there is the demand of improving the glass fibre reinforced plastics rockbolts molding effect.
The utility model content
In order to solve the above-mentioned problems in the prior art, the utility model adopts the mode that forms screw thread in the die head die cavity to come the formed glass steel anchor rod.
Therefore, target of the present utility model provides a kind of molding die and former that is used for glass fibre reinforced plastics rockbolts is carried out moulding, and it can form screw thread on anchor rod body in the die head die cavity.
According to an aspect of the present utility model, a kind of glass fibre reinforced plastics rockbolts molding die is provided, comprise die head exit end and the die cavity that is positioned at the die head exit end, described die head exit end has die head exit, so that the uncured anchor rod body that is formed by the glass yarn passes from described die cavity along first direction, and the anchor rod body after the moulding is drawn from die head exit, wherein, be provided with the inlet wire perforation that connects with described die cavity along the second direction vertical on the described die head exit end, the uncured anchor rod body that passes carried out the screw thread winding in described die cavity so that take-up strap passes described inlet wire perforation with described first direction.
In above-mentioned glass fibre reinforced plastics rockbolts molding die, in described die cavity, on the inwall of die head exit end, can be formed with the arc screw thread that is used for anchor rod body is carried out shaping.
In above-mentioned glass fibre reinforced plastics rockbolts molding die, described arc screw thread can be formed on the inwall between perforation of described inlet wire and the described die head exit.
In above-mentioned glass fibre reinforced plastics rockbolts molding die, the shape of described arc screw thread can be consistent with the anchor rod body profile after the moulding.
In above-mentioned glass fibre reinforced plastics rockbolts molding die, described molding die can be along the direction rotation consistent with the thread rotary orientation on the anchor rod body.
According to second aspect of the present utility model, a kind of glass fibre reinforced plastics rockbolts former is provided, comprising: bearing block; The mounting disc that can on bearing block, rotate; Aforementioned glass fibre reinforced plastics rockbolts molding die, described molding die are installed in the described mounting disc and with described mounting disc and rotate, and many glass yarn formings that are used for entering are glass fibre reinforced plastics rockbolts; And drum, described drum is installed in the described mounting disc and with described mounting disc and rotates, and is suitable for providing and passes the perforation of described inlet wire and provide uncured anchor rod body is carried out the take-up strap that screw thread twines.
Description of drawings
By below in conjunction with the detailed description of accompanying drawing to each specific embodiment of the utility model, above-mentioned feature and advantage of the present utility model will become more obvious, and identical in the accompanying drawings Reference numeral is represented identical parts, wherein:
Fig. 1 shows the manufacturing process of glass fibre reinforced plastics rockbolts;
Fig. 2 shows the structure of conventional former and molding die wherein;
Fig. 3 shows the structure according to former of the present utility model; And
Fig. 4 shows the structure that the molding die in the former shown in Figure 3 is set according to of the present utility model.
The specific embodiment
Below in conjunction with the drawings and the specific embodiments, only by way of example the utility model is described further.
Fig. 3 shows the exemplary configurations according to former of the present utility model.As shown in Figure 3, this former comprises mounting disc 4 and the molding die 6 that is installed in the mounting disc 4.Mounting disc 4 can be rotated on the bearing block 2 that is fixed on the workbench 8, and drives molding die mounted thereto 6 and rotate together.According to preferred embodiment, this rotation is consistent with the thread rotary orientation on the anchor rod body.The rotation of mounting disc 4 make the glass yarn that is impregnated with resin 1 that enters molding die 6 produce one twist with the fingers to, this sth. made by twisting builds up into glass yarn 1 to effect in the die cavity of molding die 6 shaft-like, forms uncured anchor rod body.As shown in the figure, molding die 6 is provided with the inlet wire perforation, and take-up strap 3 passes this inlet wire perforation the uncured anchor rod body that passes from molding die 6 is carried out the screw thread winding, reins in out screw thread form on anchor rod body.Subsequently, the anchor pole after the moulding 5 leaves molding die 6 under the tractive force effect of hauling machine (not shown).
Fig. 4 shows the exemplary configurations that the molding die in the former shown in Figure 3 is set.As shown in Figure 4, molding die 6 is installed in the mounting disc 4, and comprises die head exit end 61, is positioned at the die cavity 62 of die head exit end 61 and is arranged on inlet wire perforation 63 on the die head exit end 61.Take-up strap 3 passes inlet wire perforation 63, enter die cavity 62, the uncured anchor rod body that passes in the die cavity is carried out screw thread twine, and, reining in out screw thread form on the constantly mobile anchor rod body that advances by the traction of hauling machine along with the rotation of die head exit end 61 along with mounting disc 4.
On the inwall of die head exit end 61, also be formed with the arc screw thread form consistent with body of rod profile.After uncured anchor rod body is twined by take-up strap, by the arc screw thread form body of rod is carried out shaping, take-up strap is got among the geometry of the screw thread body of rod.Under the tractive force effect of hauling machine, anchor rod body leaves molding die 6 by the die head exit of die head exit end 61.As shown in the figure, die head exit is formed on the front end of die head exit end 61 along the glass yarn direction of motion.In according to illustrative embodiments of the present utility model, the arc screw thread form is formed on the inwall between inlet wire perforation 63 and the die head exit.In some embodiments, the distance between inlet wire perforation 63 and the die head exit can be half of die head exit end 61 length, but is not limited thereto.In according to illustrative embodiments of the present utility model, after anchor rod body goes out die head exit, comprise that the surface of take-up strap together is shaped as the arc screw thread of standard.
As shown in Figure 4, this molding die 6 can also comprise die head exit end 61 is mounted and fixed on die head pressing plate 64 in the mounting disc 4.Die head pressing plate 64 can form with die head exit end 61, and can be installed in the mounting disc 4 by connected modes such as screw, welding, riveted joints.In replaceable embodiment, die head pressing plate 64 can separate formation with die head exit end 61, and can combine by modes such as adhesive, screw, welding, riveted joint or profile cooperations.In replaceable embodiment, die head exit end 61 can be directly installed in the mounting disc 4, also can adopt the structure that is different from die head pressing plate 64 to be installed in the mounting disc 4.
Referring again to Fig. 3, in according to exemplary configurations of the present utility model, this former can also comprise the drum 7 that is used to provide take-up strap 3, and take-up strap 3 can be wrapped on the drum 7.Drum 7 can be fixed on mounting disc 4, with mounting disc 4 rotations, and can rotation.When shaping mould head 6 is center of circle rotation with mounting disc 4 around the glass yarn of impregnated with resin, take-up strap will constantly snarl the glass yarn, because drum 7 can rotation, also just can constantly discharge take-up strap, this just makes take-up strap wind out screw thread on body of rod surface, and can control the depth of thread and pitch as required.
After the anchor pole 5 of moulding leaves molding die, can also carry out other subsequent handling in proper order.For example, the anchor pole to moulding is cured.In some embodiments, can also comprise liquid antistatic spraying step, wherein liquid antistatic is sprayed on the anchor rod body surface that is formed with the arc screw thread, form antistatic layer, produce security requiremenies such as desired antistatic to satisfy the down-hole.Subsequently, can cut, form the glass fibre reinforced plastics rockbolts of predetermined length anchor pole.According to illustrative embodiments of the present utility model, because the winding of take-up strap is carried out in molding die, after the winding, the arc screw thread form carries out shaping to anchor pole, take-up strap is got among the geometry of the screw thread body of rod, after going out die cavity, comprise that take-up strap together is shaped as the arc screw thread of standard.Therefore, according to illustrative embodiments of the present utility model, after body of rod curing, cutting, need not to remove take-up strap, and then can realize spraying earlier the technological process of cutting behind the liquid antistatic, form the full-automatic technological process of one continuous line of knocking down the finished product end from raw material.
In addition, the screw thread of unthreaded hole die head twines, and carries out after the body of rod has gone out die head, and the die cavity of die head can't carry out integer to the body of rod that twines after being out of shape like this, and screw thread is irregular, and the nut apolegamy is very difficult.By contrast, according to the exemplary configurations of molding die of the present utility model, its die cavity no longer is a unthreaded hole, forms the arc screw-like on the inwall of die head exit end, and is consistent with body of rod profile; On the die head exit end, also be provided with the inlet wire perforation that the guiding take-up strap enters die cavity, flexible take-up strap carries out screw thread to the body of rod by this perforation and twines in die cavity, after winding, also the body of rod is carried out shaping by the arc screw-like, the body of rod goes out behind the die cavity because flexible band is tightly twining the body of rod with helical form, tractive force can't make its distortion, thereby has guaranteed the stability of body of rod profile physical dimension.
Further, according to illustrative embodiments of the present utility model, change the unthreaded hole die head and be installed in mode on the bearing block, molding die is installed in the mounting disc, like this rotation of mounting disc sth. made by twisting that the glass yarn is formed to, by with it synchronously the take-up strap on the die head of rotation tightly enwind simultaneously, like this, the sth. made by twisting of glass yarn is to consistent with thread rotary orientation on the body of rod behind the overcuring, thereby improved the moment of torsion of anchor pole significantly.
Though below described the utility model with reference to some illustrative embodiments, it will be recognized by those skilled in the art, under the prerequisite that does not depart from marrow of the present utility model and scope, can carry out various changes in form and details.
Claims (6)
1. a glass fibre reinforced plastics rockbolts molding die is characterized in that, comprising:
Die head exit end and the die cavity that is positioned at the die head exit end, described die head exit end has die head exit, so that the uncured anchor rod body that is formed by the glass yarn passes from described die cavity along first direction, and the anchor rod body after the moulding is drawn from die head exit, wherein
Be provided with the inlet wire perforation that connects with described die cavity along the second direction vertical on the described die head exit end, the uncured anchor rod body that passes carried out the screw thread winding in described die cavity so that take-up strap passes described inlet wire perforation with described first direction.
2. glass fibre reinforced plastics rockbolts molding die according to claim 1 wherein, in described die cavity, is formed with the arc screw thread that is used for anchor rod body is carried out shaping on the inwall of die head exit end.
3. glass fibre reinforced plastics rockbolts molding die according to claim 2, wherein,
Described arc screw thread is formed on the inwall between perforation of described inlet wire and the described die head exit.
4. according to claim 2 or 3 described glass fibre reinforced plastics rockbolts molding dies, wherein
The shape of described arc screw thread is consistent with anchor rod body profile after the moulding.
5. according to claim 2 or 3 described glass fibre reinforced plastics rockbolts molding dies, wherein
Described molding die can be along the direction rotation consistent with the thread rotary orientation on the anchor rod body.
6. a glass fibre reinforced plastics rockbolts former is characterized in that, comprising:
Bearing block;
The mounting disc that can on bearing block, rotate;
Each described glass fibre reinforced plastics rockbolts molding die among the claim 1-5, described molding die is installed in the described mounting disc and with described mounting disc and rotates, and many glass yarn formings that are used for entering are glass fibre reinforced plastics rockbolts; And
Drum, described drum are installed in the described mounting disc and with described mounting disc and rotate, and are suitable for providing and pass the perforation of described inlet wire and provide uncured anchor rod body is carried out the take-up strap that screw thread twines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202978196U CN201677495U (en) | 2010-08-18 | 2010-08-18 | Glass fiber reinforced plastic anchor rod forming die head and molding facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202978196U CN201677495U (en) | 2010-08-18 | 2010-08-18 | Glass fiber reinforced plastic anchor rod forming die head and molding facility |
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| Publication Number | Publication Date |
|---|---|
| CN201677495U true CN201677495U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202978196U Expired - Fee Related CN201677495U (en) | 2010-08-18 | 2010-08-18 | Glass fiber reinforced plastic anchor rod forming die head and molding facility |
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| CN (1) | CN201677495U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285105A (en) * | 2011-07-27 | 2011-12-21 | 康景龙 | Glass steel anchor rod molding machine |
| CN102371668A (en) * | 2010-08-18 | 2012-03-14 | 邵钦蓉 | Fiber reinforced plastic bolt forming mold head, forming device and corresponding bolt preparation method |
| CN103522533A (en) * | 2013-10-28 | 2014-01-22 | 康景龙 | Processing device for anchor rod |
| CN104875400A (en) * | 2014-02-28 | 2015-09-02 | 郑州大学 | Manufacture method of winding fibrous belt and corresponding glass fiber reinforced plastic anchor pole |
| CN110341162A (en) * | 2019-07-26 | 2019-10-18 | 金贵建 | A kind of novel extrusion molding die |
-
2010
- 2010-08-18 CN CN2010202978196U patent/CN201677495U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371668A (en) * | 2010-08-18 | 2012-03-14 | 邵钦蓉 | Fiber reinforced plastic bolt forming mold head, forming device and corresponding bolt preparation method |
| CN102371668B (en) * | 2010-08-18 | 2014-03-12 | 邵钦蓉 | Fiber reinforced plastic bolt forming mold head, forming device and corresponding bolt preparation method |
| CN102285105A (en) * | 2011-07-27 | 2011-12-21 | 康景龙 | Glass steel anchor rod molding machine |
| CN103522533A (en) * | 2013-10-28 | 2014-01-22 | 康景龙 | Processing device for anchor rod |
| CN104875400A (en) * | 2014-02-28 | 2015-09-02 | 郑州大学 | Manufacture method of winding fibrous belt and corresponding glass fiber reinforced plastic anchor pole |
| CN104875400B (en) * | 2014-02-28 | 2017-08-25 | 郑州大学 | One kind winding fiber band and its manufacture method and corresponding glass fibre reinforced plastics rockbolts |
| CN110341162A (en) * | 2019-07-26 | 2019-10-18 | 金贵建 | A kind of novel extrusion molding die |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130818 |