TWI789194B - A traffic cone mould and the traffic cone produced thereof - Google Patents

Abstract

The present invention disclosed a traffic cone mould and the traffic cone produced thereof. The traffic cone mould comprises a male module and a female module, the male module includes a first assembling panel, and a male modular portion with a tapered rod. The second module includes a second assembling panel, a first female modular portion facing the female assembling panel, and a second female modular portion located between the first female modular portion and the male modular portion. A tapered cavity is formed inside the first female modular portion and the second modular portion, into which the tapered rod can be inserted. In an opening operation, the female assembling panel of the female module is firstly separated with the first female modular portion, wherein the first female modular portion has two sliding blocks, when the female assembling panel is separated from the first female modular portion, the two sliding blocks are separated in their individual original location; when the female assembling panel and the first female modular portion are joined together, the two sliding blocks are pushed by the female assembling panel to move to a joint location. Each of the sliding blocks has a notch, and when the two sliding blocks are located at the joint location, the two notches are merged to form an end chamber of the tapered cavity.

Description

Traffic cone forming die and traffic cone produced

The invention relates to the manufacture of traffic cones, in particular to a traffic cone forming die and traffic cones produced by the forming die.

Traffic cones are temporary road markings in the shape of cones or columns. They are mainly used for construction and accidents. They are placed around the construction or accident area to remind people and vehicles passing by and ensure that engineering personnel and roads are safe. User's personal safety. In addition, traffic cones are also commonly used to divert traffic or separate pedestrian and vehicle flows.

Although the existing traffic cones have multiple structural designs, their basic configurations generally remain composed of a base and a hollow cone. Wherein, the base is usually square, and the hollow cone is usually conical, but they also have other shapes. In addition, the base and the hollow cone are formed together, but the base is also formed first, and then the base is put into a forming mold to integrate the base and the hollow cone.

In any case, traffic cones are usually made of plastic, such as PVC, PE, ABS ^... and other plastic materials. The mold is closed, and then molten plastic is injected into the traffic cone forming mold to form a traffic cone. Then, after the male die is horizontally withdrawn from the female die, a hollow cone system of the formed traffic cone remains in a tapered groove of the female die, and a base of the formed traffic cone is exposed on the female die. Tapered groove outside. Then, an operator grasps the base and pulls it forcefully to pull the entire hollow cone out of the female mold.

The problem is that the outer wall of the newly formed hollow cone is tightly attached to the inner wall of the tapered groove of the master mold, so a considerable external pulling force is required to pull the entire hollow cone out of the master mold . In addition, the top inner wall of the hollow cone usually has at least one inwardly protruding ring flange, and this ring flange will be hooked to the female mold, resulting in increased pull-out of the hollow cone from the female mold. the strength required. In short, the demoulding operation of pulling out the hollow cone from the mother mold in the existing traffic cone forming mold is quite labor-intensive and urgently needs to be improved.

In view of the problem that the existing traffic cone forming mold requires laborious demoulding, the present invention provides a traffic cone forming mold that saves the demoulding effort, so as to solve the aforementioned problems of the existing traffic cone forming mold.

More specifically, the traffic cone forming mold includes a male mold and a female mold, the male mold includes a male assembly template and a male module fixed on an inner side of the male assembly template, the male module has a cone shape stick. The female mold includes a female assembly template, a first female module facing the female assembly template, and a second female module located between the first female module and the male module, the first female module and the second female module The insides of the two female modules also jointly form a tapered groove into which the tapered rod can be inserted. Wherein, in a mold opening operation, the female assembly template of the female mold is first separated from the first female module, then the first female module is separated from the second female module, and finally, the male mold is completely separated from the master model. Wherein, the first female module has a chute facing the female assembly template and two sliders located in the chute, when the female assembly template is separated from the first female module, the two sliders are separated and each In an original position, when the female assembly template is combined with the first female module, the two sliders are pushed by the female assembly template and move toward each other to a combined position where they are close together; each of the two sliders has a notch Groove, when the two sliders are located at the merging position, the two lacking grooves merge into a final groove chamber of the tapered groove.

In one embodiment, the parent set of the traffic cone forming die of the present invention The inner surface of the mounting plate has two protruding oblique guide blocks and a plug located between the two oblique guide blocks, and the two sliders respectively have an oblique insertion hole whose shape corresponds to the two oblique guide blocks. Preferably, the first female module has two escape holes.

In one embodiment, the traffic cone forming mold of the present invention further includes a supporting device, which is fixed on the female assembly template and supports the first female module. Preferably, the support device includes a support plate and a wear-resistant block on the support plate, the top surface of the wear-resistant block protrudes from the top surface of the support plate and abuts against the bottom surface of the second female module .

The present invention also provides a traffic cone, which includes a hollow cone, the surface of an end section of the hollow cone has a small annular mold line and two straight mold lines, and the two straight mold lines are respectively Connect with the small ring parting line. Preferably, the end section also has one or more outer ring flanges through which the two straight parting lines pass.

1: male model

11: Public assembly template

111: inner side

12: Public module

120: guide hole

121: tapered rod

121a: end section

122: Bump

123: Male mold guide rod

2: master model

21: Female assembly template

211: inner side

213: support plate

22: guide rod

22a: Male mold guide hole

23: Support device

231: support plate

232: wear block

232a: top surface

24: The first mother module

24a~24c: mother module

240: Bottom

241: Chute

242:Slider

242a: convex wing

242b: ring groove

243: oblique jack

244: missing slot

245:Interval

246: side convex strip

247: Barrier

247a: Bar

248: dodge hole

25: Second mother module

251: Groove

251a: Second forming gap

26: Tapered groove

26a: The first forming gap

261: end tank chamber

27: Inclined guide block

28: Block

28a: Annular groove

3: Shutter

31: Latch

32: pin seat

9: Traffic cones

91: base

92: hollow cone

92a: last paragraph

920: outer ring flange

920a: Inner ring flange

921: Annular clamping line

922: Straight parting line

923: Small circular mold line

Fig. 1 shows a perspective view of a preferred embodiment of a traffic cone forming die of the present invention in an open state.

FIG. 2 shows a perspective view of the preferred embodiment of the present invention in a closed mold state.

Figure 3 shows a side view of the preferred embodiment of the present invention in the mold closed state.

FIG. 4A shows a perspective view of a traffic cone 9 produced by the preferred embodiment of the present invention.

4B to 4D show a perspective view, a side view and a sectional view of the end section of the traffic cone 9, respectively.

FIG. 5 shows a perspective view of a female assembly template 21 of the preferred embodiment of the present invention.

FIG. 6 shows a three-dimensional exploded view of two sliding blocks 242 disassembled from a first female module 24 of the preferred embodiment of the present invention.

FIG. 7 shows a cross-sectional view of the first female module 24 at the slider 242 of the preferred embodiment of the present invention.

FIG. 8 shows a cross-sectional view of the female assembly template 21 and the first female module 24 in a separated state for the slider 242 and the plug 28 according to the preferred embodiment of the present invention.

FIG. 9 shows a cross-sectional view of the female assembly template 21 and the first female module 24 of the preferred embodiment of the present invention at the positions of the slider 242 and the plug 28 in a merged state.

Fig. 10 and Fig. 11 show the top view and cross-sectional view of the traffic cone forming mold in the closed state under a top view angle.

12 to 17 show the mold opening process of this preferred embodiment of the present invention.

FIG. 18 shows a cross-sectional view of the sliding block 242 and the plug block 28 when the traffic cone 9 is formed in the preferred embodiment of the present invention.

Fig. 1 shows a preferred embodiment of a traffic cone forming mold of the present invention, which includes a male mold 1, a female mold 2 and a plurality of shutters 3 for controlling the mold opening sequence. Wherein, each shutter 3 includes a pin 31 and a pin seat 32, but other types of shutters can also be selected.

As shown in FIGS. 1 to 3 , the male mold 1 includes a male assembly template 11 and a male module 12 fixed on an inner surface 111 of the male assembly template 11 . The male block 12 has a tapered rod 121 whose shape depends on the shape of the traffic cone to be formed. In this embodiment, the shape of the tapered rod 121 corresponds to a hollow cone 92 of a traffic cone 9 shown in FIG. Conical, but not limited to. In addition, the male module 12 is also provided with a plurality of male mold guide rods 123 , for example four, for correspondingly passing through the plurality of male mold guide holes 22 a on the female mold 2 .

In this embodiment, the male module 12 also has a protrusion 122 , the shape of the protrusion 122 corresponds to a base 91 of the traffic cone 9 , and the tapered rod 121 protrudes forward from the protrusion 122 . It should be pointed out that the protruding block 122 is not required to be configured, and the protruding block 122 can be omitted if the forming base 91 is not required. For example, the base of some traffic cones is pre-fabricated. At this time, the projection 122 can be removed, and the pre-fabricated base is placed instead, so that the base is connected with the hollow cone 92 that is formed subsequently.

The female mold 2 includes a female assembly template 21, a first female module 24 facing the female assembly template 21 with a bottom surface 240, a support device 23 fixed on the female assembly template 21 and supporting the first female module 24, located at the second A second female module 25 between a female module 24 and the male module 12, a plurality of guide rods 22 (such as 4) fixed on the female assembly template 21 and passing through the first female module 24 and the second female module 25 , and a supporting device 23 fixed on the female assembly template 21 and supporting the first female module 24 . These guide rods 22 also correspondingly pass through a plurality of corresponding guide holes 120 of the male module 12 . The first female module 24 and the second female module 25 can move horizontally along the guide rod 22 , but cannot break away from the guide rod 22 . The male module 12 can move horizontally along the guide rod 22 and can completely disengage from the guide rod 22 . Wherein, the inside of the first female module 24 and the second female module 25 jointly form a tapered groove 26 corresponding to the shape of the tapered rod 121 and allowing the tapered rod 121 to be inserted into the tapered groove 26 . In addition, in this preferred embodiment, the latch 31 of the switch 3 is arranged on the side of the second female module 25, and the corresponding pin seat 32 is arranged on the side of the first female module 24 and the side of the male module 12. side.

The first female module 24 may be composed of a single female module, or may be composed of multiple small female modules that are close together. In this embodiment, the first female module 24 includes three small female modules 24a-24c.

In this embodiment, the surface of the second female module 25 facing the male module 12 is also concavely formed with a groove 251 corresponding to the protruding block 122 and capable of accommodating the protruding block 122 .

In this embodiment, as shown in FIG. 3 and FIG. 5 , the supporting device 23 supports the second mother module 25 by two side-by-side supporting plates 213, but it is also possible to use only one or more supporting plates 231. To support the second female module 25 , even if the guide rod 22 is sufficient to support the second female module 25 , it is also conceivable to omit the entire supporting device 23 . Preferably, the support device 23 can further include one or more wear-resistant blocks 232 fixed on the support plate 231, the top surface 232a of each wear-resistant block 232 slightly protrudes from the top surface 231a of the support plate 231, and abut against the bottom surface of the second female module 25 , so that the second female module 25 can slide more smoothly through the wear-resistant block 232 . Wherein, the wear-resistant block 232 is preferably made of Teflon material.

In this embodiment, as shown in FIG. 5 , the inner surface 211 of the female assembly template 21 is provided with a control portion, and the control portion includes two oblique protrusions protruding in the direction of a figure-eight. Guide block 27. There is a block 28 between the two inclined guide blocks 27 . Both the inclined guide blocks 27 and the plug blocks 28 are fixed on the female assembly template 21, but are still detachable for replacement. For example, several bolts (not shown) can be used to assemble the two inclined guide blocks 26 and the plug blocks 27 to the female assembly template 21 .

As shown in FIG. 6 , the bottom surface 240 of the first female module 24 has a sliding slot 241 facing the female assembly template 21 and two sliding blocks 242 located in the sliding slot 241 . The two sliding blocks 242 have two slots 244 opposite to each other. In this embodiment, there are two side protruding bars 246 and two retaining bars 247 respectively fixed on the two side protruding bars 246 in the slide groove 241 . In this embodiment, each retaining bar 247 includes a plurality of bars 247a, and each bar 247a is assembled with one or more bolts (not shown in the figure) after the two sliding blocks 242 are put into the chute 241. On the side convex strip 246, after the assembly is completed, as shown in Figure 7, the two retaining strips 247 are stretched above the two convex wings 242a, and then block each slider 242, so that the slider 242 can only slide in the chute 241 slide inside, and prevent the slider 242 from breaking away from the chute 241.

In this embodiment, the two sliding blocks 242 respectively have an oblique insertion hole 243 corresponding in shape to the two oblique guide blocks 27 . Preferably, the first female module 24 also has two avoidance holes 248 .

Fig. 8 shows the situation that the female assembly template 21 is separated from the first female module 24 and is in a separated state. The oblique insertion holes 243 on the sliding blocks 242 are opposite to the female assembly template 21 respectively, and there is a gap 245 between the two sliding blocks 242 . The space formed by the two slots 244 and the gap 245 communicates with the tapered slot 26 . In addition, the two dodging holes 248 are respectively staggered with the oblique insertion holes 243 at this time and only partially communicate with each other.

Fig. 9 shows the situation that the female assembly template 21 is merged with the first female module 24 and is in a merged state. At this moment, the control parts (that is, the two oblique guide blocks 27) on the female assembly template 21 have been respectively inserted into the two corresponding ones. The two oblique insertion holes 243 on the slider 242 and the plug 28 on the female assembly template 21 have also been plugged into a final chamber 261 formed by combining the two slots 244 and connecting to the tapered groove 26 . The end chamber 261 can just accommodate a end portion 121a of the tapered rod 121 when the male mold 1 and the female mold 2 are in a mold-closed state as shown in FIG. 2 and FIG. 3 .

It should be pointed out that during the merging process of the female assembly template 21 and the first female module 24, the two oblique guide blocks 27 will be respectively inserted into the two oblique insertion holes 243, and the two sliding blocks will be pushed by this insertion action. 242 oppositely move to a merging position shown in Figure 9, and thus make the two dodging holes 248 coincide with the oblique insertion holes 243 respectively and all communicate, so that the ends of the two oblique guide blocks 27 can be inserted into the two dodging holes at this time 248. On the contrary, if the female assembly template 21 and the first female module 24 are returned to the separated state shown in FIG. 8 from the merged state shown in FIG. The two oblique insertion holes 243, and the two sliding blocks 242 will be reversely pushed by this pulling action, so that the two sliding blocks 242 return to their original positions respectively, as shown in FIG. 8 . In this embodiment, the female assembly template 21 uses the two inclined guide blocks 27 to push the two sliders 242, but it is not limited thereto. The female assembly template 21 can also use other methods (for example: rack and pinion). Constituted driving mechanism) to trigger or drive the movement of the two sliders 242, so the two oblique guide blocks 27 and the two oblique insertion holes 243 are not necessary.

Fig. 10 and Fig. 11 show that this traffic cone forming die is in the closed mold state. At this time, the male die 1 and the female die 2 are close together. In more detail, the male assembly template 11, the male module 12, the second The female module 25 , the first female module 24 and the female assembly template 21 are combined together, and the tapered rod 121 has been inserted into the tapered groove 26 , and the protrusion 122 has been inserted into the groove 251 . At this time, a first forming gap 26 a is formed between the tapered rod 121 and the tapered groove 26 , and a second forming gap 251 a is formed between the protrusion 122 and the groove 251 . After a plastic injection operation is completed, molten plastic material (such as PVC, PE or ABS) flows into and fills up the first forming gap 26a and the second forming gap 251a. After the plastic material is cooled, the hollow cone 92 of the traffic cone 9 shown in FIGS. 4A to 4D is formed in the first forming gap 26a, and the traffic cone 9 is formed in the second forming gap 251a. Base 91. It is conceivable that an end section 92 a of the traffic cone 9 formed so far is clamped by the two slide blocks 242 , and other parts of the traffic cone 9 are tightly attached to the inner wall of the tapered groove 26 .

Then, a mold opening operation as shown in Fig. 12 to Fig. 17 can be developed. In this mold opening operation, by the control of each shutter 3, the female assembly template 21 will be separated from the first female module 24 first, as shown in Figure 12 and Figure 13, at this time, the two slide blocks 242 has left an end section 92a of the traffic cone 9 just formed and no longer clamps the end section 92a. Then, as shown in Fig. 14 and Fig. 15, the first female module 24 is separated from the second female module 25. At this time, the second female module 25 will push the base 91 of the traffic cone 9, so that the entire traffic cone 9 The end section 92 a breaks away from the chute 241 and makes the hollow cone body 92 of the traffic cone 9 break away from the inner wall of the tapered groove 26 .

Finally, as shown in Figure 16 and Figure 17, the second female module 25 is separated from the male mold 1, and the male mold 1 is completely withdrawn from the female mold 2. At this time, although the traffic cone 9 is left in the female mold 2, only it The base 91 and the part adjacent to the base 91 are still attached to the inner wall of the second female module 25 of the female mold 2 (that is, a part of the inner wall of the tapered groove 26), and other parts are no longer attached to the female module. The inner wall of the second female module 24 of the mold 2 (ie another part of the inner wall of the tapered groove 26), and as mentioned above, the end section 92a of the hollow cone 92 of the traffic cone 9 is no longer covered by the slide block 242 clamp, so, only need to use very little power, just can pull out traffic cone 9 completely from mother mold 2, quite labor-saving, thus solve the problem that conventional traffic cone forming mold needs laborious demoulding.

Utilize the traffic cone 9 formed by the traffic cone forming die of the present invention, as shown in Fig. 4A to Fig. 4D, the surface of its hollow cone body 92 can form multi-track annular parting line 921 (or claim parting line, die trace or interface line), will also form a small annular mold line 923 and two straight mold lines 922 on the surface of the end section 92a of the hollow cone 92, and the two straight mold lines 922 are respectively combined with the small ring Die lines 923 meet.

In this preferred embodiment, as shown in Figure 18, by the setting of one or more ring grooves 242b on the two slide blocks 242, the end section 92a of the hollow cone 92 of the formed traffic cone 9 That is, there are one or more outer ring flanges 920 . In addition, since an annular groove 28a is formed on the plug block 28, an inner ring flange 920a is formed at the end of the end section 92a.

1: male model

11: Public assembly template

111: inner side

12: Public module

120: guide hole

121: tapered rod

121a: end section

122: Bump

123: Male mold guide rod

2: master model

21: Female assembly template

211: inner side

213: support plate

22: guide rod

22a: Male mold guide hole

23: Support device

24: The first mother module

24a~24c: mother module

25: Second mother module

251: Groove

26: Tapered groove

3: Shutter

31: Latch

32: pin seat

Claims (10)

A traffic cone forming mold comprises: a male die, including a male assembly template and a male module fixed on an inner side of the male assembly template, the male module has a tapered rod; and a female die, including a female assembly Template, a first female module and a second female module, the first female module can be selectively attached to one inner surface of the female assembly template with a bottom surface, and the second female module can be selectively attached to the On the first female module, a control part is provided on the inner side of the female assembly template, a chute and two sliders located in the chute are provided on the bottom surface of the first female module, and a side of the two sliders facing each other is respectively provided with a There is no groove, the slider can slide in the chute under the control of the control part, the inside of the first female module and the second female module jointly form a tapered groove into which the tapered rod can be inserted, The tapered groove communicates with the sliding groove, and there is a forming gap between the tapered rod and the tapered groove; wherein, when the female assembly template is separated from the first female module, the two sliding blocks are controlled by the control part Separated by control, when the female assembly template is close to the first female module, the two sliders are controlled by the control part to close together, and then the two slots merge into a final slot connected to the tapered slot room. The traffic cone forming die as claimed in item 1, wherein the control part includes two oblique guide blocks protruding from the inner side of the female assembly template along a figure-eight direction, and each oblique guide block correspondingly controls one of the sliders , each of which slides The blocks are respectively provided with a slanted insertion hole corresponding to the shape of the corresponding slanted guide block, and the slanted guide block is inserted into the slanted insertion hole to control the slider. The traffic cone forming die as claimed in item 2, wherein the first female module has two dodging holes, and the dodging holes are located at a position aligned with the oblique insertion holes when the two sliders are controlled by the oblique guide block to abut . The traffic cone forming die as described in claim 2, wherein a plug is provided between the two inclined guide blocks on the inner side of the female assembly template, and when the female assembly template is in contact with the first female module, the plug The blocks extend into the end chamber. The traffic cone forming die as claimed in item 4, wherein the plug is provided with an annular groove. As for the traffic cone forming die described in claim 1, the chute is provided with two side convex strips and two retaining strips fixed on the side convex strips, and the two sliders are arranged between the convex strips on both sides and have Two protruding wings respectively adjacent to the side protruding strips, and the two retaining strips extend above the two protruding wings, thereby preventing the sliding block from breaking away from the chute. The traffic cone forming die as claimed in claim 1 includes a supporting device fixed on the female assembly template and supporting the first female module. The traffic cone forming die as claimed in item 7, wherein the support device includes a support plate and a wear-resistant block on the support plate, the top surface of the wear-resistant block protrudes from the top surface of the support plate and is against the top surface of the support plate. lean against the bottom surface of the second female module. A traffic cone made by using the mold described in Claim 1, comprising a hollow cone, the surface of an end section of the hollow cone has a small annular parting line and two straight parting lines, and the two The straight mold line is connected with the small circular mold line respectively. The traffic cone as claimed in claim 9, wherein the end section has one or more outer ring flanges, and the two straight mold lines pass through the one or more outer ring flanges.

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