CN212826739U

CN212826739U - Die head suitable for large-caliber plastic extrusion pipe die

Info

Publication number: CN212826739U
Application number: CN202020861649.3U
Authority: CN
Inventors: 尹维祥; 尹朴; 徐国芬
Original assignee: Wuxi Lichuang Lianda Mould Manufacturing Co ltd
Current assignee: Wuxi Lichuang Lianda Mould Manufacturing Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-03-30
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a be applicable to heavy-calibre plastics extrusion tubular product mould head, concretely relates to plastic mold equipment field, including mold processing, discharge gate, thread bush and heating wire, the top welding of mold processing has the welding post, the fixed cover in one side of welding post is equipped with first hydraulic stem, the opposite side swing joint of first hydraulic stem has the cutting case, the fixed cover in bottom of cutting case is equipped with the intercommunication end cover. The utility model discloses a set up cutting cleaning device, because plastics tubular product can flow out plastics liquid raw materials in process of production, thereby in the regional accumulation of die orifice, then the cooling forms the plastics solid, the adhesion is in the discharge gate department of die head, inconvenient clearance, cutting cleaning device is at mold processing's top this moment, the clearance is surely removed to the plastics solid of discharge gate department automatically, both avoided the plastics solid to block up the problem of discharge gate, the problem that plastics tubular product production efficiency hangs down has been solved again, thereby the production efficiency of plastics tubular product has been improved.

Description

Die head suitable for large-caliber plastic extrusion pipe die

Technical Field

The utility model relates to a plastic mold equipment technical field, more specifically says, the utility model specifically is a be applicable to heavy-calibre plastics extrusion pipe mould die head.

Background

Extrusion molding is also called extrusion molding in plastic processing, extrusion molding in a non-rubber extruder processing by utilizing the pressure of a hydraulic machine on a die is called extrusion, and refers to a processing method for manufacturing various cross-section products or semi-products by continuously passing through a machine head through a material under the action of a charging barrel and a screw of the extruder while being heated and plasticized and being pushed forward by the screw, and pipe production is one of the processes.

Present tubular product is mainly through the extrusion moulding cavity extrusion between mold core and the die sleeve when extrusion moulding, and the thermoplastic pipe after the shaping need in time cool off the design, and present tubular product appears tentatively cooling behind the extrusion moulding easily and causes the problem of deformation untimely, and present tubular product extrusion moulding die head is when the hot melt plastics feed, and the speed of feed is uncontrollable moreover, leads to having the problem of overfeeding, and the consequence that produces like this is exactly that tubular product shaping structure is unstable.

In order to solve the above problems, in the patent application publication No. CN207972281U, an extrusion molding die head for plastic pipes is disclosed, referring to fig. 5 of the specification, in the application, an annular support sleeve is arranged in a gap between a die core and a die sleeve of the die head, an adjusting bolt is positioned at a bent corner of a material injection channel, when the material injection speed needs to be slowed down, the adjusting bolt is rotated to enable the head of the adjusting bolt to extend into the material injection channel, so as to reduce the internal sectional area of the material injection channel, thereby reducing the injection amount of the hot melt plastic entering into a die cavity of the pipe, and achieving the purpose of controlling the injection amount of the hot melt plastic, in order to facilitate the timely shaping of the extruded and molded pipe, a liquid outlet is arranged at the end of the die core, a liquid injection channel connected with the liquid outlet is arranged in the die core, a check valve is arranged at the end of the liquid injection channel, the pipe is convenient to form stably in time, the risk of pipe deformation is reduced, and the extrusion forming quality of the pipe is improved.

However, the technical scheme still has more defects in actual application;

firstly, when a plastic pipe is extruded by a comparison file, the plastic pipe is processed and extruded by using an extrusion die head, an extrusion mould and other devices, and plastic liquid raw materials can flow out of the plastic pipe in the production process, so that the plastic liquid raw materials are accumulated in a die opening area and then cooled to form plastic solids which are adhered to a discharge opening of a die head and are inconvenient to remove;

secondly, because the comparison file is when production processing plastics tubular product, die head discharge gate department not only can condense a large amount of plastics solids, and some plastics liquid in addition drips through the die head discharge gate to drip subaerial or mechanical equipment on, thereby influence the pleasing to the eye degree on ground or machinery, also can lead to machinery to cause the damage because of plastics liquid inflow inside simultaneously.

Therefore, it is highly desirable to provide a die head suitable for large-caliber plastic extrusion pipe dies, which is convenient to clean and recycle.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a be applicable to heavy-calibre plastics extrusion pipe mould die head, through setting up cutting cleaning device, because plastics tubular product can flow out plastics liquid raw materials in process of production, thereby in the regional accumulation of die orifice, then the cooling forms the plastics solid, the adhesion is in the discharge gate department of die head, inconvenient clearance, cutting cleaning device is at the top of mold processing this moment, the automatic plastics solid to discharge gate department is cut off the clearance, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a die head suitable for a large-caliber plastic extrusion pipe die comprises a processing die, a discharge hole, a thread bush and a heating wire, wherein a welding column is welded at the top of the processing die, a first hydraulic rod is fixedly sleeved at one side of the welding column, a cutting box is movably connected at the other side of the first hydraulic rod, a communicating bottom sleeve is fixedly sleeved at the bottom of the cutting box, a receiving bottom box is fixedly sleeved at the bottom of the processing die, a pull rod is movably sleeved at one side of the receiving bottom box, a clamping plate is welded at the top of an inner cavity of the cutting box, a second hydraulic rod is clamped at the bottom of the clamping plate, a connecting sleeve pad is fixedly sleeved at one side of the second hydraulic rod, a control line is fixedly connected at the other side of the connecting sleeve pad, a control panel is fixedly connected at the other side of the control line, a connecting plate is welded at the bottom of the second, the cutting notch has been seted up to the bottom of cutting case, the bottom fixed mounting who receives the under casing inner chamber has a sliding bottom plate, sliding bottom plate's top swing joint has the slide bar, the fixed cover in top of slide bar is equipped with the slip cover piece, the top fixed mounting of slip cover piece has the box in receiving, the receiving tank has been seted up at the top of receiving the under casing, the pull-out groove has been seted up to one side of receiving the under casing.

In a preferred embodiment, the upper surface and the lower surface of the inner cavity of the sliding bottom plate are both fixedly provided with a sliding rail, the other surface of the sliding rail is fixedly sleeved with a sliding tooth, one side of the outer surface of the sliding tooth is fixedly sleeved with a sliding block, and the top of the sliding bottom plate is provided with a sliding groove.

In a preferred embodiment, the number of the slider and the slide bar is two.

In a preferred embodiment, the communicating bottom sleeve and the cutting blade are fixedly arranged at the top of the discharge hole, and the receiving bottom box is fixedly arranged at the bottom of the discharge hole.

In a preferred embodiment, the drawing groove is formed with a diameter in the range of five centimeters to one centimeter greater than the horizontal width of the side of the receiving inner box.

In a preferred embodiment, the cutting slot opens up in the same range of diameters as the horizontal length of the web.

In a preferred embodiment, a protective pad is fixedly sleeved on the outer surface of the communicating bottom sleeve, and the protective pad is a rubber material member.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up and cut cleaning device, because plastics tubular product can flow out plastics liquid material in process of production to accumulate in the die orifice region, then cool off and form the plastics solid, the adhesion is in the discharge gate department of die head, inconvenient clearance, cutting cleaning device is at the top of mold processing this moment, and the plastics solid to discharge gate department is cut off the clearance automatically, has both avoided the problem of plastics solid jam discharge gate, has solved the problem that plastics tubular product production efficiency is low again, thereby has improved the production efficiency of plastics tubular product;

2. the utility model discloses a set up receiving arrangement, die head discharge gate department not only can condense a large amount of plastics solids, and some plastics liquid in addition drips through the die head discharge gate to drip subaerial or mechanical equipment on, receiving arrangement can collect the protection to plastics liquid in mold processing's bottom this moment, has both avoided plastics liquid to flow subaerial and mechanical problem, has solved the problem of mechanical inside damage again, thereby has improved mechanical production's security.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic diagram of the inner cavity structure of the cutting box of the present invention.

Fig. 3 is a schematic view of the structure of the inner cavity of the receiving bottom box of the present invention.

Fig. 4 is a schematic view of the inner cavity structure of the sliding bottom plate of the present invention.

Fig. 5 is a schematic view of the overall structure of the comparison document.

The reference signs are: 1. processing a mould; 2. a discharge port; 3. a threaded sleeve; 4. an electric heating wire; 5. welding the column; 6. a first hydraulic lever; 7. cutting the box; 8. the bottom sleeve is communicated; 9. receiving a bottom case; 10. a pull rod; 71. a clamping and connecting plate; 72. a second hydraulic rod; 73. connecting sleeve cushions; 74. a control line; 75. a control panel; 76. a connecting plate; 77. a cutting blade; 78. cutting a notch; 91. a sliding bottom plate; 92. a slide bar; 93. a sliding sleeve block; 94. receiving an inner box; 95. a receiving groove; 96. pulling out the groove; 911. a slide rail; 912. sliding the teeth; 913. a slider; 914. a sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the attached fig. 1-4, a die head suitable for large-diameter plastic extrusion pipe die comprises a processing die 1, a discharge port 2, a thread bush 3 and an electric heating wire 4, wherein a welding column 5 is welded on the top of the processing die 1, a first hydraulic rod 6 is fixedly sleeved on one side of the welding column 5, a cutting box 7 is movably connected on the other side of the first hydraulic rod 6, a communicating bottom bush 8 is fixedly sleeved on the bottom of the cutting box 7, a receiving bottom bush 9 is fixedly sleeved on the bottom of the processing die 1, a pull rod 10 is movably sleeved on one side of the receiving bottom bush 9, a clamping plate 71 is welded on the top of the inner cavity of the cutting box 7, a second hydraulic rod 72 is clamped on the bottom of the clamping plate 71, a connecting bush pad 73 is fixedly sleeved on one side of the second hydraulic rod 72, a control line 74 is fixedly connected on the other side of the connecting bush pad 73, a control panel 75 is fixedly, the bottom of the connecting plate 76 is fixedly provided with a cutting blade 77, the bottom of the cutting box 7 is provided with a cutting notch 78, the bottom of the inner cavity of the receiving bottom box 9 is fixedly provided with a sliding bottom plate 91, the top of the sliding bottom plate 91 is movably connected with a sliding rod 92, the top of the sliding rod 92 is fixedly sleeved with a sliding sleeve block 93, the top of the sliding sleeve block 93 is fixedly provided with a receiving inner box 94, the top of the receiving bottom box 9 is provided with a receiving groove 95, one side of the receiving bottom box 9 is provided with a pull-out groove 96, the upper surface and the lower surface of the inner cavity of the sliding bottom plate 91 are fixedly provided with a sliding rail 911, the other surface of the sliding rail 911 is fixedly sleeved with a sliding tooth 912, one side of the outer surface of the sliding tooth 912 is fixedly sleeved with a sliding block 913, the top of the sliding bottom plate 91 is provided with a sliding groove 914, the sliding blocks 913, the diameter range of the pull-out groove 96 is larger than the horizontal width of one side of the receiving inner box 94 by five centimeters to one centimeter, the diameter range of the cutting groove opening 78 is the same as the horizontal length of the connecting plate 76, and a protective pad is fixedly sleeved on the outer surface of the communicating bottom sleeve 8 and is a rubber member.

As shown in fig. 2, a clamping plate 71 is welded at the top of an inner cavity of the cutting box 7, a second hydraulic rod 72 is clamped at the bottom of the clamping plate 71, a connecting sleeve pad 73 is fixedly sleeved at one side of the second hydraulic rod 72, a control line 74 is fixedly connected at the other side of the connecting sleeve pad 73, a control panel 75 is fixedly connected at the other side of the control line 74, a connecting plate 76 is welded at the bottom of the second hydraulic rod 72, a cutting blade 77 is fixedly installed at the bottom of the connecting plate 76, and a cutting notch 78 is formed at the bottom of the cutting box 7;

the implementation mode is specifically as follows: through setting up cutting box 7, when discharge gate 2 extrudes tubular product plastics raw materials, when discharge gate 2 surface accumulation solidifies the plastics solid, earlier through control panel 75 and control line 74 control second hydraulic stem 72 start, then drive connecting plate 76 and cutting blade 77 decline to the solid to discharge gate 2 surface is cut and is handled, prevents that discharge gate 2 from being blockked up by the solid.

As shown in fig. 3, a sliding bottom plate 91 is fixedly installed at the bottom of an inner cavity of the receiving bottom box 9, a sliding rod 92 is movably connected to the top of the sliding bottom plate 91, a sliding sleeve block 93 is fixedly sleeved on the top of the sliding rod 92, an inner receiving box 94 is fixedly installed at the top of the sliding sleeve block 93, a receiving groove 95 is formed in the top of the receiving bottom box 9, and a pull-out groove 96 is formed in one side of the receiving bottom box 9;

the implementation mode is specifically as follows: through setting up and receiving under casing 9, when the solid after the cutting and the liquid that flows down drop down, utilize and receive under casing 9 and receive, drop into through receiving groove 95 and receive interior box 94 and save, then after work, pull rod 10 will receive interior box 94 and pull out again to the inside waste material of box 94 will be received and the clearance is taken out.

As shown in fig. 4, slide rails 911 are fixedly installed on both the upper and lower surfaces of an inner cavity of the sliding bottom plate 91, a sliding tooth 912 is fixedly sleeved on the other surface of the slide rail 911, a sliding block 913 is fixedly sleeved on one side of the outer surface of the sliding tooth 912, and a sliding groove 914 is formed in the top of the sliding bottom plate 91;

the implementation mode is specifically as follows: through setting up sliding bottom plate 91, when control line 74 is when pulling, utilize slip cover block 93 and slide bar 92 to drive slider 913 and slide on smooth tooth 912 to reduce the dynamics of manpower pulling, made things convenient for taking out of box 94 in the receipt.

Wherein the first hydraulic rod 6 and the second hydraulic rod 72 are of the TOOLMATE brand, and the model thereof is CXLB horizontal type, the control panel 75 is of the delexie electric brand, and the model thereof is KG.

The utility model discloses the theory of operation:

the first step is as follows: the apparatus is first placed at a designated location and then the various components are installed.

The second step is as follows: firstly, when the discharge port 2 extrudes the plastic raw material of the pipe, when the outer surface of the discharge port 2 accumulates solidified plastic solids, the control panel 75 and the control line 74 control the second hydraulic rod 72 to start, then the connecting plate 76 and the cutting blade 77 are driven to descend, so that the solid on the outer surface of the discharge port 2 is cut, the discharge port 2 is prevented from being blocked by the solid, when the cut solids and the liquid flowing down fall down, they are received by the receiving bottom case 9, fall into the receiving inner box 94 through the receiving groove 95 to be stored, then, when the work is finished, the pull rod 10 is pulled again to pull out the inner receiving box 94, so that the waste materials in the inner receiving box 94 are taken out and cleaned, when the control wire 74 is pulled, the sliding sleeve block 93 and the sliding rod 92 are used for driving the sliding block 913 to slide on the sliding tooth 912, so that the force of manual pulling is reduced, and the receiving inner box 94 is convenient to take out.

The third step: after the work is finished, the device is periodically checked.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be applicable to heavy-calibre plastics extrusion pipe mould die head, includes mold processing (1), discharge gate (2), thread bush (3) and heating wire (4), its characterized in that: the welding device is characterized in that a welding column (5) is welded at the top of the processing mold (1), a first hydraulic rod (6) is fixedly sleeved at one side of the welding column (5), a cutting box (7) is movably connected at the other side of the first hydraulic rod (6), a communicating bottom sleeve (8) is fixedly sleeved at the bottom of the cutting box (7), a receiving bottom box (9) is fixedly sleeved at the bottom of the processing mold (1), a pull rod (10) is movably sleeved at one side of the receiving bottom box (9), a clamping plate (71) is welded at the top of an inner cavity of the cutting box (7), a second hydraulic rod (72) is clamped at the bottom of the clamping plate (71), a connecting sleeve pad (73) is fixedly sleeved at one side of the second hydraulic rod (72), a control line (74) is fixedly connected at the other side of the connecting sleeve pad (73), and a control panel (75) is fixedly connected at the other side of the control, the welding of the bottom of second hydraulic stem (72) has connecting plate (76), the bottom fixed mounting of connecting plate (76) has cutting blade (77), cutting notch (78) have been seted up to the bottom of cutting case (7), the bottom fixed mounting who receives under casing (9) inner chamber has sliding bottom plate (91), the top swing joint of sliding bottom plate (91) has slide bar (92), the fixed cover in top of slide bar (92) is equipped with slip cover piece (93), the top fixed mounting of slip cover piece (93) has box (94) in the receipt, receiving groove (95) have been seted up at the top of receiving under casing (9), pull-out groove (96) have been seted up to one side of receiving under casing (9).

2. The die head suitable for the large-caliber plastic extrusion pipe die according to claim 1, wherein: the sliding device is characterized in that sliding rails (911) are fixedly mounted on the upper surface and the lower surface of an inner cavity of the sliding bottom plate (91), sliding teeth (912) are fixedly sleeved on the other surface of each sliding rail (911), a sliding block (913) is fixedly sleeved on one side of the outer surface of each sliding tooth (912), and a sliding groove (914) is formed in the top of the sliding bottom plate (91).

3. The die head suitable for the large-caliber plastic extrusion pipe die according to claim 2, wherein: the number of the sliding blocks (913) and the sliding rods (92) is two.

4. The die head suitable for the large-caliber plastic extrusion pipe die according to claim 1, wherein: the communicating bottom sleeve (8) and the cutting blade (77) are fixedly arranged at the top of the discharge hole (2), and the receiving bottom box (9) is fixedly arranged at the bottom of the discharge hole (2).

5. The die head suitable for the large-caliber plastic extrusion pipe die according to claim 1, wherein: the diameter range of the pull-out groove (96) is larger than the horizontal width zero point of one side of the receiving inner box (94) by five centimeters to one centimeter.

6. The die head suitable for the large-caliber plastic extrusion pipe die according to claim 1, wherein: the diameter range of the cutting notch (78) is the same as the horizontal length of the connecting plate (76).

7. The die head suitable for the large-caliber plastic extrusion pipe die according to claim 1, wherein: the outer surface of the communicating bottom sleeve (8) is fixedly sleeved with a protective pad which is a rubber component.