CN211054365U - Blow molding die head for film blowing machine - Google Patents
Blow molding die head for film blowing machine Download PDFInfo
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- CN211054365U CN211054365U CN201921786594.8U CN201921786594U CN211054365U CN 211054365 U CN211054365 U CN 211054365U CN 201921786594 U CN201921786594 U CN 201921786594U CN 211054365 U CN211054365 U CN 211054365U
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- die head
- mounting hole
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Abstract
The utility model relates to a blow molding die head for film blowing machine, which comprises a die head body and an extrusion part arranged at one side of a discharge port of the die head body, wherein one side of the extrusion part, which is close to the die head body, is provided with a mounting hole, the mounting hole is arranged at a position close to an extrusion port, a heating rod is arranged in the mounting hole, one end of the heating rod, which is close to a hole opening of the mounting hole, is connected with an electric wire, one end of the heating rod, which is close to a hole opening of the mounting hole, is provided with a; the die head body is detachably connected with the extrusion part through a connecting assembly. The utility model discloses have the effect that conveniently takes out the heating rod from the mounting hole.
Description
Technical Field
The utility model belongs to the technical field of the technique of blowing machine and specifically relates to a blowing die head that film blowing machine was used is related to.
Background
At present, a blow molding machine is used in the production process of films, and the blow molding machine is a machine which sprays liquid plastic, and then uses wind power blown out by the machine to blow a plastic body to a mold cavity with a certain shape so as to manufacture a product; the blow molding machine comprises a blow molding die head, wherein the blow molding die head is used for extruding liquid plastic, and ensuring that the liquid plastic is blown to a certain shape in the follow-up process, so that the extrusion quality of the blow molding die head influences the production quality of the film; at present, a heating rod is arranged at a discharge port of a blow molding die head, so that abnormal change of a local position of a die bubble is corrected, and the product quality is improved.
Present, the blowing die head includes the die head body and installs in the portion of extruding that the die head body is close to discharge gate one side, and the portion of extruding is close to one side of die head body and is equipped with a plurality of mounting holes, and the extending direction of mounting hole is unanimous with the extending direction of extruding the mouth, and the mounting hole is located the position of being close to the extrusion mouth, and the discharge gate intercommunication of extrusion mouth and die head body has the heating rod all pegged graft in every mounting hole, and the length of heating rod is unanimous with the extending length of mounting hole, has the heat conductivity between mounting hole and the.
The above prior art solutions have the following drawbacks: this blow molding die head is installed the heating rod in the mounting hole through the mode of pegging graft, and the heating rod is perishable article, and heating rod length is unanimous with the extension length of mounting hole, and the heating rod is located the mounting hole completely promptly, consequently is difficult for taking out the heating rod of damage from the mounting hole and changes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blowing die head that film blowing machine was used, it has the effect that conveniently takes out the heating rod from the mounting hole.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
A blowing die head for a film blowing machine comprises a die head body and an extrusion part arranged on one side of a discharge port of the die head body, wherein one side of the extrusion part close to the die head body is provided with a mounting hole, the mounting hole is arranged at a position close to an extrusion port, a heating rod is arranged in the mounting hole, one end of the heating rod close to a hole opening of the mounting hole is connected with an electric wire, one end of the heating rod close to a hollow opening of the mounting hole is provided with a pull ring, and the pull ring is positioned in the mounting hole; the die head body is detachably connected with the extrusion part through a connecting assembly.
Through adopting above-mentioned technical scheme, when the discovery heating rod takes place to damage and needs to be changed, tear the die head body out earlier, will set up the pull ring that catches on at the heating rod through instruments such as hooks, then pull out the mounting hole with the heating rod towards the opposite direction in hole bottom of mounting hole, then insert in the mounting hole with new heating rod again, this process can conveniently change the heating rod of damage can, and it is convenient to change, resources are saved.
The utility model discloses further set up to: the heating rod includes: the heating wire extends towards the length direction of the heat pipe, the heat pipe extends out of one end, close to the orifice of the mounting hole, of the heat pipe at two opposite ends of the heating wire, and the two ends, extending out of the heat pipe, of the heating wire are connected with corresponding wires.
Through adopting above-mentioned technical scheme, carry out the circular telegram through the electric wire at the both ends of heating wire for the heating wire generates heat, thereby heats the intraoral plastic of extrusion, makes the plastic temperature of extruding keep at the setting value.
The utility model discloses further set up to: the electric heating wire is spiral.
By adopting the technical scheme, the heating wire is spirally arranged so as to save space and accelerate heat conduction.
The utility model discloses further set up to: and one side of the extrusion part, which is close to the die head body, is provided with an accommodating cavity for accommodating an electric wire.
Through adopting above-mentioned technical scheme, be provided with the purpose that holds the chamber and place in holding the intracavity for the electric wire that is connected with the heating rod can be close to with die head body side with the one side of extrusion portion near the die head body.
The utility model discloses further set up to: the connecting assembly includes: the die head comprises a die head body, a plurality of inserting grooves, clamping grooves, inserting blocks and clamping blocks, wherein the inserting grooves are formed in one side, close to an extrusion part, of the die head body, the clamping grooves radially extend from the bottoms of the inserting grooves, the inserting blocks are arranged on one side, close to the die head, of the extrusion part, the clamping blocks are arranged at one ends, far away from the extrusion part, of the inserting blocks, the extending directions of the clamping grooves are the same, the inserting blocks are matched with the inserting grooves in position, and the clamping blocks are matched with the; and fixing bolts are arranged at the positions, corresponding to the clamping blocks, of one side, far away from the die head body, of the extrusion part, and the fixing bolts penetrate through the extrusion part and the clamping blocks simultaneously.
Through adopting above-mentioned technical scheme, during the installation extrusion portion, at first will be provided with the grafting piece of screens piece and insert the inserting groove that corresponds, then extrude the portion through rotating for the screens piece card is gone into to the screens inslot, passes extrusion portion and screens piece through fixing bolt at last and makes and extrude and carry out stable connection between portion and the die head body, avoids installing at this blowing die head at the blowing machine, and the screens piece takes place to slide when the blowing machine is worked.
The utility model discloses further set up to: one side of the extrusion part, which is far away from the die head body, is provided with an adaptive groove, and the adaptive groove is matched with the head part of the fixing bolt.
Through adopting above-mentioned technical scheme, be provided with the purpose in adaptation groove in order to make its head retract in the adaptation groove after fixing bolt screws up, guarantee to extrude the level and smooth of portion surface.
The utility model discloses further set up to: and a rubber pad which is abutted against the side wall of the clamping block is sleeved in the clamping groove.
Through adopting above-mentioned technical scheme, be provided with the purpose of rubber pad in order to make the screens piece card more stable behind the screens inslot, avoid taking place easily and slide.
The utility model discloses further set up to: the outer side wall of the extrusion part is provided with anti-skid insections at intervals.
Through adopting above-mentioned technical scheme, the purpose that is equipped with anti-skidding insection is in order to increase area of contact for it is more smooth and easy to twist extrusion portion, reduces the phenomenon of skidding.
To sum up, the utility model discloses a beneficial technological effect does:
1. When the heating rod is damaged and needs to be replaced, the die head body is firstly detached, the pull ring arranged on the heating rod is hooked through tools such as a hook, the heating rod is pulled out of the mounting hole in the direction opposite to the hole bottom of the mounting hole, and then a new heating rod is inserted into the mounting hole, so that the damaged heating rod can be replaced conveniently in the process, the replacement is convenient, and resources are saved;
2. When the extrusion part is installed, firstly, the insertion block provided with the clamping block is inserted into the corresponding insertion groove, then the extrusion part is rotated to clamp the clamping block into the clamping groove, and finally, the extrusion part and the die head body are stably connected by the fixing bolt penetrating through the extrusion part and the clamping block, so that the clamping block is prevented from sliding when the blow molding die head is installed on a blow molding machine and the blow molding machine works;
3. Thereby can increase area of contact through being equipped with anti-skidding insection for twist and move extrusion portion more smoothly, reduce the phenomenon of skidding.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view of the mounting structure of the heating rod of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view of the installation structure of the extrusion part and the die body of the present invention.
In the figure, 1, a die body; 11. inserting grooves; 12. a clamping groove; 121. a rubber pad; 2. an extrusion section; 21. mounting holes; 22. an accommodating chamber; 23. an insertion block; 24. a bit block; 25. an adaptation groove; 26. anti-skid insections; 27. fixing the bolt; 3. a heating rod; 31. a heat conducting pipe; 32. an electric heating wire; 33. and (4) a pull ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the blowing die head for a film blowing machine disclosed by the present invention comprises a die head body 1 and an extrusion part 2, wherein the extrusion part 2 is installed at one side of a discharge port of the die head body 1; an extrusion port is circumferentially provided on the side of the extrusion part 2 opposite to the blow die, and extends in the thickness direction of the extrusion part 2.
The outer side wall of the extrusion part 2 is provided with anti-skid insections 26 at intervals.
As shown in fig. 1 and 2, a plurality of mounting holes 21 are circumferentially formed in one side of the extrusion part 2 close to the die head body 1, the mounting holes 21 are formed in positions close to the extrusion ports, the mounting holes 21 extend in the width direction of the extrusion part 2, a heating rod 3 is inserted into each mounting hole 21, the heating rod 3 is completely located in the mounting hole 21, and the material of the extrusion part 2 between the mounting hole 21 and the extrusion ports has thermal conductivity.
As shown in fig. 2 and 3, the heating rod 3 includes a heat pipe 31 and a heating wire 32, the heat pipe 31 is in contact with the inside of the mounting hole 21, the heat pipe 31 extends in the extending direction of the mounting hole 21, the heating wire 32 is mounted in the heat pipe 31, the heating wire 32 is spirally disposed, and the extending direction of the entire heating wire 32 coincides with the extending direction of the mounting hole 21; one end of the heating wire 32, which is far away from the orifice of the mounting hole 21, extends towards the orifice of the mounting hole 21, two ends of the heating wire 32 both extend out of the heat pipe 31, and two ends of the heating wire 32, which extend out of the heat pipe 31, are respectively connected with corresponding wires; one side of the extrusion part 2 close to the die head body 1 is provided with an accommodating cavity 22, one end of the accommodating cavity 22 is communicated with the mounting hole 21, and the other end of the accommodating cavity 22 extends out of the extrusion part 2 along the end surface of the extrusion part 2 close to the die head body 1; the electrical wires are placed in the receiving cavity 22.
A pull ring 33 is fixed on each heating rod 3 near the opening of the mounting hole 21, and the pull ring 33 is positioned in the hole of the mounting hole 21.
As shown in fig. 4, insertion grooves 11 are circumferentially arranged on one side of the die head body 1 close to the extrusion part 2, a clamping groove 12 radially extends from the bottom of each insertion groove 11, the clamping grooves 12 in each insertion groove 11 extend in the same direction, insertion blocks 23 matched with the insertion grooves 11 in position and number are arranged on one side of the extrusion part 2 close to the die head body 1, and clamping blocks 24 matched with the clamping grooves 12 are arranged on one side of the insertion blocks 23 far away from the extrusion part 2; the size of the side surface of the clamping block 24 far away from the insertion block 23 is consistent with the size of the notch of the insertion groove 11.
One side of extrusion portion 2 that keeps away from die head body 1 all is equipped with adaptation groove 25 with the position that screens piece 24 corresponds, and every adaptation groove 25 all is provided with fixing bolt 27, and fixing bolt 27 passes extrusion portion 2 and screens piece 24 simultaneously, and fixing bolt 27's head and adaptation groove 25 looks adaptation.
The implementation principle of the embodiment is as follows: when the damaged heating rod 3 needs to be replaced, the fixing bolt 27 is firstly pulled out, then the extruding part 2 is rotated by hand, the clamping block 24 leaves the clamping groove 12, and then the extruding part 2 is pulled out; detaching the electric wire connected with the damaged heating rod 3, hooking the pull ring 33 of the damaged heating rod 3 through a tool such as a hook and pulling outwards, so that the heating rod 3 can be pulled out of the mounting hole 21, then inserting a new heating rod 3 into the mounting hole 21, and connecting the electric wire; finally, the clamping block 24 is aligned to the position of the inserting groove 11 and inserted, then the extruding part 2 is rotated, the clamping block 24 is clamped in the clamping groove 12, the fixing bolt 27 is screwed in from the adapting groove 25 and penetrates through the extruding part 2 and the clamping block 24, and therefore the damaged heating rod 3 is replaced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a blowing die head that film blowing machine was used, includes die head body (1) and installs extrusion portion (2) in die head body (1) discharge gate one side, one side that extrusion portion (2) are close to die head body (1) is equipped with mounting hole (21), the position that is close to the extrusion gate is located in mounting hole (21), be equipped with heating rod (3), its characterized in that in mounting hole (21): one end, close to an orifice of the mounting hole (21), of the heating rod (3) is connected with an electric wire, one end, close to a null of the mounting hole (21), of the heating rod (3) is provided with a pull ring (33), and the pull ring (33) is located in the mounting hole (21); the die head body (1) is detachably connected with the extrusion part (2) through a connecting assembly.
2. A blowing die for a film blowing machine according to claim 1, characterised in that said heating rod (3) comprises: heat pipe (31) with mounting hole (21) looks adaptation and locate heating wire (32) in heat pipe (31), heating wire (32) extend towards the length direction of heat pipe (31), heat pipe (31) are stretched out from heat pipe (31) near the drill way one end of mounting hole (21) to the relative both ends of heating wire (32), both ends and the electric wire connection who corresponds that heating wire (32) stretch out heat pipe (31).
3. The blowing die for film blowing machines according to claim 2, characterized in that said heating wire (32) is helical.
4. A blowing die for a film blowing machine according to claim 3, characterised in that the side of the extrusion (2) close to the die body (1) is provided with a housing cavity (22) for housing an electric wire.
5. The blow die head for a film blowing machine according to claim 4, wherein said connecting assembly comprises: the die head comprises a plurality of inserting grooves (11) arranged on one side, close to an extrusion part (2), of a die head body (1), clamping grooves (12) extending radially from the bottoms of the inserting grooves (11), inserting blocks (23) arranged on one side, close to the die head, of the extrusion part (2), and clamping blocks (24) arranged at one ends, far away from the extrusion part (2), of the inserting blocks (23), wherein the extending directions of the clamping grooves (12) are the same, the inserting blocks (23) are matched with the positions of the inserting grooves (11), and the clamping blocks (24) are matched with the clamping grooves (12); and fixing bolts (27) are arranged at the positions, corresponding to the clamping blocks (24), of one side, far away from the die head body (1), of the extrusion part (2), and the fixing bolts (27) penetrate through the extrusion part (2) and the clamping blocks (24) simultaneously.
6. A blowing die for a film blowing machine according to claim 5, characterised in that the side of the extrusion (2) remote from the die body (1) is provided with an adapter groove (25), said adapter groove (25) being adapted to the head of the fixing bolt (27).
7. The blow mold head for a film blowing machine according to claim 6, characterized in that a rubber pad (121) abutting against the side wall of the catching block (24) is fitted in the catching groove (12).
8. A blowing die for a film blowing machine according to claim 7, characterised in that the outer side wall of the extrusion (2) is provided at intervals with anti-slip insections (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786594.8U CN211054365U (en) | 2019-10-23 | 2019-10-23 | Blow molding die head for film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921786594.8U CN211054365U (en) | 2019-10-23 | 2019-10-23 | Blow molding die head for film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211054365U true CN211054365U (en) | 2020-07-21 |
Family
ID=71589558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921786594.8U Active CN211054365U (en) | 2019-10-23 | 2019-10-23 | Blow molding die head for film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211054365U (en) |
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2019
- 2019-10-23 CN CN201921786594.8U patent/CN211054365U/en active Active
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