CN212603262U - Detachable hot nozzle spray head of screw extruder - Google Patents
Detachable hot nozzle spray head of screw extruder Download PDFInfo
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- CN212603262U CN212603262U CN202021228676.3U CN202021228676U CN212603262U CN 212603262 U CN212603262 U CN 212603262U CN 202021228676 U CN202021228676 U CN 202021228676U CN 212603262 U CN212603262 U CN 212603262U
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Abstract
The utility model belongs to the technical field of the plastics extruder technique and specifically relates to a hot mouth shower nozzle of detachable screw extruder is related to, its technical scheme main points are: including mount pad and shower nozzle body, the mount pad is used for fixed connection on the feed cylinder, the middle part of mount pad is run through and is provided with the mounting hole, the one end and the feed cylinder intercommunication of mounting hole, the global department of shower nozzle body is provided with the mounting groove, be provided with closure piece and locking spring in the mounting groove, the activity of closure piece is pegged graft in the mounting groove, locking spring sets up between the tank bottom of closure piece and mounting groove, shower nozzle body activity is pegged graft in the mounting hole, the pore wall department of mounting hole is provided with the closure groove, when locking spring is located under the natural state, the closure piece is pegged graft in the closure groove, be provided with the unblock subassembly on the mount pad, the unblock subassembly is used for driving the closure piece pine to take off to the closure groove outside, the utility model discloses have the convenience and dismantle the.
Description
Technical Field
The utility model belongs to the technical field of the plastics extruder technique and specifically relates to a hot mouth shower nozzle of detachable screw extruder is related to.
Background
The screw extruder is a machine for heating plastic particles to melt into fluid plastic and extruding and ejecting the fluid plastic through an extrusion device, and is usually installed on an injection molding machine and a casting machine, wherein the screw extruder mainly comprises three types, namely a plunger type, a screw type and a screw pre-molding plunger injection type, and the most widely applied screw type is the screw type.
At present, chinese patent document No. CN208664313U discloses an extrusion mechanism of a plasticator, which is mainly technically characterized by comprising a material cylinder, a motor is fixedly connected to the left side of the material cylinder, a screw shaft is rotatably connected to the right side of the motor and inside the material cylinder, a nozzle (i.e., a nozzle) is fixedly connected to the right side of the material cylinder, and a heater is arranged outside the material cylinder and heats the material cylinder. In the working process, materials enter the charging barrel through the hopper, the feeder and the feeding pipe, plastic particles are melted to form fluid plastics under the action of the heater, the screw shaft is driven to rotate by the motor, the fluid plastics are conveyed forwards under the action of the screw shaft until the fluid plastics are ejected from the nozzle, and the extrusion process flow is finished.
The shower nozzle among the prior art blocks up easily in long-term use, consequently need shut down and dismantle the clearance with the shower nozzle, and the shower nozzle usually through threaded connection's mode fixed mounting in the feed cylinder, when dismantling the shower nozzle, often need use the instrument, and is comparatively troublesome during the dismantlement, has prolonged the downtime of injection molding machine, causes the influence to production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detachable screw extruder's hot mouth shower nozzle, it has the convenience and dismantles the function to the shower nozzle, plays the effect that reduces injection molding machine down time.
In order to achieve the above object, the utility model provides a following technical scheme:
a hot nozzle spray head of a detachable screw extruder comprises a mounting seat and a spray head body, wherein the mounting seat is fixedly connected to a charging barrel, a mounting hole is arranged in the middle of the mounting seat in a penetrating way, one end of the mounting hole is communicated with the charging barrel, the circumferential surface of the nozzle body is provided with an installation groove, the installation groove is internally provided with a locking block and a locking spring, the locking block is movably inserted in the mounting groove, the locking spring is arranged between the locking block and the groove bottom of the mounting groove, the nozzle body is movably inserted in the mounting hole, a locking groove is arranged on the hole wall of the mounting hole, when the locking spring is in a natural state, the locking block is inserted into the locking groove, an unlocking assembly is arranged on the mounting seat and used for driving the locking block to be loosened to the outside of the locking groove.
Through adopting the above technical scheme, with the shower nozzle body plug-in connection in the mount pad, the locking piece is pegged graft in the mounting groove, the locking piece is with shower nozzle body lock and mount pad on, so realized the closure installation of shower nozzle body, when needs are dismantled the locking piece, start the unblock subassembly, make the locking piece pine take off outside the locking groove, so realized the unblock of shower nozzle body, take out the shower nozzle body from the mount pad this moment, can realize the dismantlement of shower nozzle body, the installation of shower nozzle body has saved the instrument with the dismantlement process, so be convenient for dismantle the shower nozzle, the process is swift convenient simultaneously, play the effect that reduces injection molding machine down time.
The utility model discloses further set up to: the locking piece is towards one side surface of mount pad is the slope setting, the inclined plane of locking piece with the mount pad butt that slides.
Through adopting above-mentioned technical scheme, at the in-process of pegging graft the shower nozzle body in the mounting hole, the inclined plane and the mount pad butt that slides of locking piece for in the locking piece withdrawal mounting groove, simultaneously, locking piece compression locking spring, until locking piece alignment locking groove, under the elastic force effect of locking spring, locking piece is pegged graft in locking groove by oneself, realizes the locking of shower nozzle body, and the process is swift convenient.
The utility model discloses further set up to: the nozzle body is provided with a positioning bulge, the mounting seat is provided with a positioning groove, and the positioning bulge is inserted in the positioning groove.
Through adopting above-mentioned technical scheme, when the grafting cooperation between location arch and the positioning groove made the shower nozzle body peg graft in the mount pad, the location of splicing each other between shower nozzle body and the mount pad has promoted the connection precision when the shower nozzle body is installed, has promoted the stability of shower nozzle body when the installation simultaneously.
The utility model discloses further set up to: the positioning bulges and the positioning grooves are in multiple groups.
Through adopting above-mentioned technical scheme, the connection precision and the stability when the shower nozzle body is installed have further been promoted to multiunit location arch and positioning groove.
The utility model discloses further set up to: the unlocking assembly comprises an unlocking block and a sleeve, a through hole penetrates through the mounting seat, the through hole is communicated with the locking groove, one end of the sleeve is fixedly connected to the mounting seat, the sleeve is communicated with the through hole, the unlocking block is movably sleeved in the sleeve, one end of the unlocking block is inserted into the through hole, and one end of the unlocking block is abutted to the locking block.
Through adopting above-mentioned technical scheme, press the unlocking piece for in the unlocking piece inserted the mount pad via the through-hole, the tip of unlocking piece promoted the locking piece this moment, made the locking piece retract to the mounting groove in, made the locking piece pine simultaneously and taken off outside the locking groove, so realized the unblock of delocking subassembly.
The utility model discloses further set up to: the locking device is characterized in that a first annular boss is arranged on the circumferential surface of the unlocking block and located in the sleeve, a second annular boss is arranged on the inner wall of one end of the mounting seat and far away from the sleeve, and the first annular boss and the second annular boss are mutually abutted and limited.
Through adopting above-mentioned technical scheme, mutual butt is spacing between first cyclic annular position boss and the cyclic annular boss of second for it is spacing to obtain the stroke at the motion in-process of unblock piece, plays the effect that prevents the unblock piece and loosen from the sleeve and takes off, guarantees the stability of unblock piece when using.
The utility model discloses further set up to: the unlocking block is sleeved with a return spring, and two ends of the return spring are respectively abutted to the mounting seat and the first annular boss.
Through adopting above-mentioned technical scheme, with the unblock piece plug-in to the inside in-process of locking piece, first cyclic annular boss compression reset spring loosens the unblock piece after, and reset spring exerts elasticity to first cyclic annular boss for the unblock piece is taken out from the locking inslot, realizes the resetting of unblock piece, and the structure is practical.
The utility model discloses further set up to: one end of the unlocking block, which is far away from the locking block, is provided with a pressing block.
Through adopting above-mentioned technical scheme, press the effect that the piece played the finger of being convenient for and pressed the unblock piece.
To sum up, the utility model discloses a beneficial technological effect does:
1. the spray head body is inserted into the mounting seat, the locking block is inserted into the mounting groove, the locking block locks the spray head body on the mounting seat, locking mounting of the spray head body is achieved, the locking block is loosened outside the locking groove by starting the unlocking assembly, unlocking of the spray head body is achieved, the spray head body is pulled out of the mounting seat, dismounting of the spray head body can be achieved, tools are omitted in mounting and dismounting processes of the spray head body, dismounting of the spray head body is facilitated, meanwhile, the process is rapid and convenient, and the effect of reducing the downtime of the injection molding machine is achieved;
2. in the process of inserting the spray head body into the mounting hole, the locking block is automatically inserted into the mounting groove, so that the spray head body is locked, and the process is quick and convenient;
3. the splicing cooperation between the positioning protrusion and the positioning groove enables the spray head body and the mounting seat to be spliced and positioned mutually, connection precision of the spray head body during installation is improved, and stability of the spray head body during installation is improved.
Drawings
FIG. 1 is a schematic view of an assembly relationship in a preferred embodiment of the present invention;
fig. 2 is a cross-sectional view of a preferred embodiment of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure, 1, a cartridge; 2. a mounting seat; 21. mounting holes; 22. a locking groove; 23. a positioning groove; 24. a through hole; 3. a nozzle body; 31. mounting grooves; 32. positioning the projection; 4. a locking block; 5. locking the spring; 6. an unlocking assembly; 61. unlocking the block; 611. a first annular boss; 62. a sleeve; 621. a second annular boss; 7. a return spring; 8. and pressing the block.
Detailed Description
Referring to fig. 1, for the utility model discloses a detachable screw extruder's hot mouth shower nozzle, including mount pad 2 and shower nozzle body 3, the outer fringe profile of mount pad 2 is rectangle form setting, and mount pad 2 is used for fixed connection on the terminal surface of feed cylinder 1, and accessible fix with screw also can mutual integrated into one piece between mount pad 2 and the feed cylinder 1, and is preferred, in this embodiment, integrated into one piece between mount pad 2 and the feed cylinder 1, and the middle part of mount pad 2 runs through and is provided with mounting hole 21, and mounting hole 21 is the setting of round hole form, and the one end and the feed cylinder 1 intercommunication of mounting hole 21.
Referring to fig. 2 and 3, the peripheral contour of the nozzle body 3 is adapted to the mounting hole 21, a flow channel for fluid plastics to pass through is disposed inside the nozzle body 3, a mounting groove 31 is concavely disposed at the peripheral surface of the nozzle body 3 from outside to inside, a locking block 4 and a locking spring 5 are disposed in the mounting groove 31, the locking block 4 is disposed in a rectangular shape, one end of the locking block 4 is movably inserted into the mounting groove 31, the locking spring 5 is disposed between the locking block 4 and the groove bottom of the mounting groove 31, one end of the locking spring 5 is fixed on the locking block 4, and the other end of the locking spring 5 is fixed on the groove bottom of the mounting groove 31.
One end of the nozzle body 3 is movably inserted in the mounting hole 21, at the moment, the circumferential surface of the nozzle body 3 is in sliding and abutting joint with the hole wall of the mounting hole 21, in addition, the side surface of the locking block 4 facing the mounting seat 2 is obliquely arranged, the inclined surface of the locking block 4 is in sliding contact with the mounting seat 2, in the process of inserting the nozzle body 3 into the mounting hole 21, the inclined surface of the locking block 4 is in sliding and abutting joint with the mounting seat 2, so that the locking block 4 retracts into the mounting groove 31, and the locking block 4 compresses the locking spring 5, meanwhile, the hole wall of the mounting hole 21 is concavely provided with a locking groove 22, in the inserting process, until the locking block 4 is aligned with the locking groove 22, the locking block 4 is inserted into the locking groove 22 under the elastic force of the locking spring 5, at the moment, the locking spring 5 is in a natural state, and the locking block 4 locks the spray head body 3 on the mounting base 2, so that the locking mounting of the spray head body 3 is realized.
In addition, when the nozzle body 3 is fixedly installed, one end of the nozzle body 3 inserted into the installation hole 21 abuts against the material barrel 1, and the flow passage of the nozzle body 3 is communicated with the material barrel 1.
Further, referring to fig. 1, the nozzle body 3 is provided with a positioning protrusion 32, preferably, the positioning protrusion 32 is located on the circumferential surface of the nozzle body 3, and the positioning protrusion 32 and the nozzle body 3 are integrally formed, the mounting seat 2 is provided with a positioning groove 23, the positioning groove 23 is respectively opened at the hole wall of the mounting hole 21 and at one end surface of the mounting seat 2 far away from the charging barrel 1, and when the nozzle body 3 is mounted on the mounting seat 2, the positioning protrusion 32 is inserted into the positioning groove 23. The splicing cooperation between the positioning protrusion 32 and the positioning groove 23 enables the spray head body 3 and the mounting seat 2 to be spliced and positioned mutually, so that the connection precision of the spray head body 3 during mounting is improved, and the stability of the spray head body 3 during mounting is improved.
It should be noted that, here, a positioning protrusion 32 and a positioning groove 23 which are mutually matched are defined as a group, the positioning protrusion 32 and the positioning groove 23 can be a plurality of groups, for example, two groups, four groups, six groups, etc., the plurality of groups of positioning protrusions 32 and positioning grooves 23 can further improve the connection precision and stability of the nozzle body 3 during installation, the specific number of the positioning protrusions 32 and the positioning grooves 23 can be adjusted adaptively according to actual needs, in this embodiment, the number of the positioning protrusions 32 and the positioning grooves 23 is two, and the two groups of positioning protrusions 32 and the positioning grooves 23 are symmetrically arranged along the axis of the mounting hole 21.
Referring to fig. 3, in order to facilitate the detachment of the nozzle body 3, the mounting base 2 is provided with an unlocking assembly 6, the unlocking assembly 6 is used for driving the locking block 4 to be loosened out of the locking groove 22, and when the locking block 4 is loosened out of the locking groove 22, the nozzle body 3 is taken out of the mounting base 2, so that the detachment of the nozzle body 3 can be achieved.
Specifically, the unlocking assembly 6 includes an unlocking block 61 and a sleeve 62, the sleeve 62 is disposed in a cylindrical shape and has two open ends, a through hole 24 is disposed through the mounting seat 2, the through hole 24 is communicated with the locking groove 22, one end of the sleeve 62 is fixedly connected to the mounting seat 2, preferably, the sleeve 62 is welded to the mounting seat 2, and the interior of the sleeve 62 is communicated with the through hole 24. The unlocking block 61 is arranged in a cylindrical shape, the unlocking block 61 is movably sleeved in the sleeve 62, one end of the unlocking block 61 is inserted into the through hole 24, the unlocking block 61 is pulled and pressed, the end portion of the unlocking block 61 can extend into the locking groove 22 through the through hole 24, in addition, one end of the unlocking block 61 inserted into the through hole 24 abuts against the surface, deviating from the locking spring 5, of the locking block 4, in the process that the unlocking block 61 extends into the locking groove 22, the unlocking block 61 pushes the locking block 4 to retract into the mounting groove 31, at the moment, the unlocking block 61 is released out of the locking groove 22, and unlocking of the sprayer body 3 is achieved.
In addition, the peripheral surface of the unlocking block 61 is provided with a first annular boss 611, the first annular boss 611 is located in the sleeve 62, and preferably, the first annular boss 611 and the unlocking block 61 are integrally formed. The sleeve 62 is provided with the second annular boss 621 in the one end inner wall department of keeping away from mount pad 2, and is preferred, and integrated into one piece between second annular boss 621 and the sleeve 62, first annular boss 611 and the spacing of mutual butt between the second annular boss 621, so prevent to loosen and take off from the sleeve 62 unlocking piece 61.
Further, the unlocking block 61 is provided with a return spring 7, the return spring 7 is sleeved on the unlocking block 61, two ends of the return spring 7 are respectively abutted to the outer wall of the mounting seat 2 and one side surface of the first annular boss 611 facing the mounting seat 2, and the return spring 7 applies elasticity to the first annular boss 611, so that the unlocking block 61 is pulled out from the locking groove 22, and the unlocking block 61 is reset.
In addition, the end of the unlocking block 61 far away from the locking block 4 is provided with a pressing block 8, preferably, the pressing block 8 is arranged in a round cake shape, and the pressing block 8 plays a role of facilitating the finger to press the unlocking block 61.
The implementation principle of the embodiment is as follows: when the spray head body 3 needs to be detached from the mounting seat 2, the pressing block 8 is pressed, so that the unlocking block 61 pushes the locking block 4 to be loosened out of the locking groove 22, and the spray head body 3 is pulled out of the mounting seat 2 at the moment, so that the spray head body 3 can be unlocked;
when the spray head body 3 needs to be installed, one end of the spray head body 3 is inserted into the installation hole 21 of the installation seat 2, the positioning protrusion 32 is aligned with the positioning groove 23, in the inserting process, an inclined surface on one side of the locking block 4 is abutted to the installation seat 2 to slide, the locking block 4 retracts into the installation groove 31, the locking spring 5 is extruded until the locking block 4 is aligned to the locking groove 22, the locking block 4 is automatically inserted into the locking groove 22 to be locked under the elastic force action of the locking spring 5, at the moment, the spray head body 3 and the installation seat 2 are mutually fixed, and the spray head body 3 is installed;
the installation of shower nozzle body 3 has saved the instrument with the dismantlement process, so is convenient for dismantle shower nozzle body 3, and the process is swift convenient simultaneously, plays the effect that reduces injection molding machine down time.
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 detachable screw extruder's hot mouth shower nozzle which characterized in that: the spray nozzle comprises a mounting seat (2) and a spray nozzle body (3), wherein the mounting seat (2) is used for being fixedly connected to a charging barrel (1), a mounting hole (21) penetrates through the middle of the mounting seat (2), one end of the mounting hole (21) is communicated with the charging barrel (1), a mounting groove (31) is formed in the peripheral surface of the spray nozzle body (3), a locking block (4) and a locking spring (5) are arranged in the mounting groove (31), the locking block (4) is movably inserted into the mounting groove (31), the locking spring (5) is arranged between the locking block (4) and the bottom of the mounting groove (31), the spray nozzle body (3) is movably inserted into the mounting hole (21), a locking groove (22) is formed in the hole wall of the mounting hole (21), and when the locking spring (5) is in a natural state, the locking block (4) is inserted into the locking groove (22), an unlocking assembly (6) is arranged on the mounting seat (2), and the unlocking assembly (6) is used for driving the locking block (4) to be loosened out of the locking groove (22).
2. A detachable hot nozzle head of a screw extruder according to claim 1, wherein: the locking block (4) faces one side surface of the mounting seat (2) and is obliquely arranged, and the inclined surface of the locking block (4) is in sliding butt joint with the mounting seat (2).
3. A detachable hot nozzle head of a screw extruder according to claim 1, wherein: the nozzle body (3) is provided with a positioning protrusion (32), the mounting seat (2) is provided with a positioning groove (23), and the positioning protrusion (32) is inserted into the positioning groove (23).
4. A detachable hot nozzle head for screw extruder according to claim 3, characterized in that: the positioning protrusions (32) and the positioning grooves (23) are in multiple groups.
5. A detachable hot nozzle head of a screw extruder according to claim 1, wherein: the unlocking assembly (6) comprises an unlocking block (61) and a sleeve (62), a through hole (24) penetrates through the mounting seat (2), the through hole (24) is communicated with the locking groove (22), one end of the sleeve (62) is fixedly connected to the mounting seat (2), the sleeve (62) is communicated with the through hole (24), the unlocking block (61) is movably sleeved in the sleeve (62), one end of the unlocking block (61) is inserted into the through hole (24), and the unlocking block (61) is inserted into one end of the through hole (24) and abuts against the locking block (4).
6. A removable hot nozzle tip for a screw extruder as claimed in claim 5, wherein: the peripheral surface of the unlocking block (61) is provided with a first annular boss (611), the first annular boss (611) is located in the sleeve (62), the inner wall of one end, far away from the mounting seat (2), of the sleeve (62) is provided with a second annular boss (621), and the first annular boss (611) and the second annular boss (621) are mutually abutted and limited.
7. A removable hot nozzle tip for a screw extruder as claimed in claim 6, wherein: the unlocking block (61) is sleeved with a return spring (7), and two ends of the return spring (7) are respectively abutted to the mounting seat (2) and the first annular boss (611).
8. A removable hot nozzle tip for a screw extruder as claimed in claim 7, wherein: one end of the unlocking block (61) far away from the locking block (4) is provided with a pressing block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021228676.3U CN212603262U (en) | 2020-06-28 | 2020-06-28 | Detachable hot nozzle spray head of screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021228676.3U CN212603262U (en) | 2020-06-28 | 2020-06-28 | Detachable hot nozzle spray head of screw extruder |
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| Publication Number | Publication Date |
|---|---|
| CN212603262U true CN212603262U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021228676.3U Active CN212603262U (en) | 2020-06-28 | 2020-06-28 | Detachable hot nozzle spray head of screw extruder |
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| CN (1) | CN212603262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533484A (en) * | 2023-07-04 | 2023-08-04 | 廊坊瑞满节能科技有限公司 | Be applied to graphite extruded sheet ration design extrusion molding device |
-
2020
- 2020-06-28 CN CN202021228676.3U patent/CN212603262U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116533484A (en) * | 2023-07-04 | 2023-08-04 | 廊坊瑞满节能科技有限公司 | Be applied to graphite extruded sheet ration design extrusion molding device |
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