CN211074639U - Extrusion die of ultra-thin rubber sheet - Google Patents
Extrusion die of ultra-thin rubber sheet Download PDFInfo
- Publication number
- CN211074639U CN211074639U CN201921748974.2U CN201921748974U CN211074639U CN 211074639 U CN211074639 U CN 211074639U CN 201921748974 U CN201921748974 U CN 201921748974U CN 211074639 U CN211074639 U CN 211074639U
- Authority
- CN
- China
- Prior art keywords
- extrusion
- ring
- clamping
- groove
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a sheet rubber production technical field discloses an extrusion tooling of ultra-thin sheet rubber, including extruding the aircraft nose, the end intercommunication of extruding the aircraft nose has the discharging pipe, the screens mechanism that sets up through the symmetry on the outer pipe wall of discharging pipe is connected with the bush locking ring jointly, bush locking ring and discharging pipe clearance fit, be equipped with annular extrusion bush in the bush locking ring, the both ends that the bush was extruded to the annular set up respectively in bush locking ring and discharging pipe, the bush is extruded to the annular including extruding ring and hollow toper guide block, extrude ring and toper guide block and be connected structure as an organic whole, and the junction between toper guide block and the extrusion ring has seted up curved discharging channel, be equipped with the strengthening rib on the bush is extruded to the annular, discharging channel sets up on the toper guide block. The utility model discloses make the ultra-thin sheet rubber of extruding, thickness is even, and no fold, surfacing reduces the fracture rate of postprocessing butt joint product.
Description
Technical Field
The utility model relates to a sheet rubber production technical field especially relates to an extrusion tooling of ultra-thin sheet rubber.
Background
At present, when a rubber film is produced, a plurality of steps such as extrusion molding, tabletting, trimming, cooling, cutting and the like are required, so that the requirement of film preparation can be realized by using a plurality of devices matched with the extrusion die to operate together, but in actual production, the original extrusion die is flat, the film outlet thickness is 0.6mm, the extruded sheet is easy to wrinkle due to too thin thickness, and the thickness of the extruded film is uneven.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the thin slice extruded in the prior art is easy to produce the fold, and the film is extruded to have uneven thickness, and the extrusion die of the ultrathin rubber sheet is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an extrusion die of ultra-thin sheet rubber, includes the extruder head, the end intercommunication of extruding of extruder head has the discharging pipe, be connected with the bush locking ring jointly through the screens mechanism that the symmetry set up on the outer pipe wall of discharging pipe, bush locking ring and discharging pipe clearance fit, be equipped with annular extrusion bush in the bush locking ring, the both ends of annular extrusion bush set up respectively in bush locking ring and discharging pipe, the annular extrusion bush is including extruding ring and hollow toper guide block, extrude ring and toper guide block and be connected structure as an organic whole, just curved discharging channel has been seted up to the junction between toper guide block and the extrusion ring, be equipped with the strengthening rib on the annular extrusion bush, discharging channel sets up on the toper guide block.
Preferably, screens mechanism includes screens groove, spring, screens piece and screens hole, the screens groove is seted up on the outer pipe wall of discharging pipe, the position that the screens groove is corresponded in the screens hole is seted up on the rampart of bush locking ring, the one end fixed connection of spring is at the tank bottom in screens groove, the other end of spring is connected with the one end of screens piece, the one end that the springs was kept away from to the screens piece passes the notch in screens groove and the drill way in screens hole in proper order and to the downthehole extension of screens.
Preferably, an annular sealing groove is formed in the outer pipe wall, away from one end of the extruder head, of the discharge pipe, a sealing ring is arranged between the sealing groove and the inner ring wall of the die locking ring, and the sealing ring is sleeved in the sealing groove.
Preferably, a locking wrench is installed on the extruder head, and anti-skid lines are arranged on the locking wrench.
Preferably, the side wall of the clamping block close to one end of the spring is symmetrically and fixedly connected with sliding blocks, the clamping grooves correspond to the groove walls of the two sliding blocks, sliding grooves are symmetrically formed in the vertical direction, and the sliding blocks are connected in the sliding grooves in a sliding mode.
Preferably, the pipe orifice of the clamping hole far away from one end of the discharge pipe is hinged with a pipe cover.
Preferably, a rolling groove is formed in one end, away from the clamping block, of the sliding block, rolling balls are arranged in the rolling groove, one end, away from the bottom of the rolling groove, of each ball penetrates through a notch of the corresponding rolling groove, and the balls are connected to the bottom of the sliding groove in a rolling mode.
Preferably, a sliding rod is fixedly connected to the inside of the sliding groove in the vertical direction and penetrates through the sliding block.
Preferably, the end of the pipe cover, which is far away from the clamping block, is provided with a digging groove.
Compared with the prior art, the utility model provides an extrusion tooling of ultra-thin sheet rubber possesses following beneficial effect:
1. this ultra-thin sheet rubber's extrusion tooling extrudes the bush through setting up extruder head, discharging pipe, bush locking ring and annular, and the sizing material high pressure that is cuted through the extruder screw rod gets into the discharging pipe through the extruder head, and the sizing material is extruded along the inclined plane rapid motion of toper guide block, rethread discharging channel for the ultra-thin sheet rubber who extrudes, thickness is even, and no fold, the surfacing reduces the fracture rate of postprocessing butt joint product.
2. This extrusion tooling of ultra-thin sheet rubber, constitute a screens mechanism through setting up screens groove, spring, screens piece and screens punch combination, when needs take out annular extrusion bush, press the screens piece that is located the screens downthehole, the motion of compression spring to the screens inslot behind the screens piece atress, after the screens piece breaks away from the screens hole, can take off the bush locking ring from the discharging pipe, light convenient again takes out annular extrusion bush.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the ultra-thin sheet rubber of extruding, thickness is even, and no fold, surfacing reduces the fracture rate of postprocessing butt joint product.
Drawings
Fig. 1 is a schematic structural view of an extrusion die for an ultra-thin rubber sheet according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
fig. 4 is a schematic structural view of an annular extrusion die in an extrusion die for an ultra-thin rubber sheet.
In the figure: the extrusion die comprises an extrusion die head 1, a discharge tube 2, a clamping mechanism 3, a clamping groove 31, a spring 32, a clamping block 33, a clamping hole 34, a die locking ring 4, an annular extrusion die 5, an extrusion ring 51, a conical guide block 52, a discharge channel 53, a sealing groove 6, a sealing ring 7, a locking wrench 8, a sliding block 9, a sliding groove 10, a tube cover 11, a rolling groove 12, a ball 13, a sliding rod 14 and a groove 15.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, an extrusion die for ultra-thin rubber sheets comprises an extrusion head 1, wherein an extrusion end of the extrusion head 1 is communicated with a discharge pipe 2, the outer pipe wall of the discharge pipe 2 is commonly connected with a neck ring locking ring 4 through symmetrically arranged clamping mechanisms 3, the neck ring locking ring 4 is in clearance fit with the discharge pipe 2, an annular extrusion neck ring 5 is arranged in the neck ring locking ring 4, two ends of the annular extrusion neck ring 5 are respectively arranged in the neck ring locking ring 4 and the discharge pipe 2, the annular extrusion neck ring 5 comprises an extrusion ring 51 and a hollow conical guide block 52, the extrusion ring 51 and the conical guide block 52 are connected into an integral structure, a cambered discharge channel 53 is arranged at the joint between the conical guide block 52 and the extrusion ring 51, reinforcing ribs are arranged on the annular extrusion neck ring 5, the discharge channel 53 is arranged on the conical guide block 52, and high-pressure rubber materials sheared by a screw of an extruder enter the discharge, the rubber material moves rapidly along the inclined plane of the conical guide block 52 and is extruded through the discharging channel 53, so that the extruded ultrathin rubber sheet is uniform in thickness, free of wrinkles and flat in surface, and the cracking rate of a post-processing butt joint product is reduced.
The clamping mechanism 3 comprises a clamping groove 31, a spring 32, a clamping block 33 and a clamping hole 34, the clamping groove 31 is arranged on the outer tube wall of the discharge tube 2, the position of the clamping hole 34 corresponding to the clamping groove 31 is arranged on the ring wall of the neck ring locking ring 4, one end of the spring 32 is fixedly connected to the bottom of the clamping groove 31, the other end of the spring 32 is connected with one end of the clamping block 33, one end, far away from the spring 32, of the clamping block 33 sequentially penetrates through the notch of the clamping groove 31 and the orifice of the clamping hole 34 and extends into the clamping hole 34, when the ring-shaped extrusion neck ring 5 needs to be taken out, the clamping block 33 in the clamping hole 34 is pressed, the spring 32 is compressed to move into the clamping groove 31 after the clamping block 33 is stressed, the neck ring locking ring 4 can be taken out of the discharge tube 2 after the clamping block 33 is separated from the clamping hole 34, and the ring-shaped extrusion neck ring 5 can be taken out easily and conveniently.
An annular sealing groove 6 is formed in the outer pipe wall of the end position, away from the extruder head 1, of the discharging pipe 2, a sealing ring 7 is arranged between the sealing groove 6 and the inner ring wall of the neck ring locking ring 4, the sealing ring 7 is sleeved in the sealing groove 6, and the sealing performance between the discharging pipe 2 and the inner ring wall of the neck ring locking ring 4 is improved through the sealing ring 7.
The extruder head 1 is provided with a locking wrench 8, the locking wrench 8 is provided with anti-skid lines, and the extruder head 1 is fastened through the locking wrench 8.
The clamping block 33 is close to the slide blocks 9 which are symmetrically and fixedly connected on the side wall of one end position of the spring 32, the clamping grooves 31 are symmetrically provided with the slide grooves 10 on the corresponding groove walls of the two slide blocks 9 along the vertical direction, the slide blocks 9 are connected in the slide grooves 10 in a sliding manner, and the clamping block 33 drives the slide blocks 9 to move synchronously in the slide grooves 10 when moving, so that the clamping block 33 is prevented from being ejected out of the clamping grooves 31 by the spring 32.
The pipe orifice of the clamping hole 34 far away from one end of the discharge pipe 2 is hinged with a pipe cover 11, and the pipe cover 11 can only rotate for 0-90 degrees, so that the sealing property in the clamping hole 34 is improved.
The rolling groove 12 is opened to the one end that the slide block 9 keeps away from screens piece 33, is equipped with rolling ball 13 in the rolling groove 12, and the notch setting of rolling groove 12 is passed to the one end that the ball 13 kept away from the groove bottom of rolling groove 12, and ball 13 rolling connection is at the tank bottom of spout 10, and the slide block 9 drives ball 13 and rolls when moving, reduces the frictional resistance that receives when moving in spout 10 of slide block 9.
A sliding rod 14 is fixedly connected in the sliding groove 10 along the vertical direction, the sliding rod 14 penetrates through the sliding block 9, and the sliding block 9 slides on the sliding rod 14 when moving in the sliding groove 10, so that the stability of the sliding block 9 during movement is improved.
The end of the pipe cover 11 far away from the clamping block 33 is provided with a digging groove 15, which is convenient for applying force to the pipe cover 11.
In the utility model, the rubber material sheared by the screw of the extruder enters the discharging pipe 2 through the extruder head 1 at high pressure, and the rubber material moves rapidly along the inclined plane of the conical guide block 52 and is extruded through the discharging channel 53, so that the extruded ultrathin rubber sheet has uniform thickness, no wrinkles and smooth surface, and the cracking rate of the post-processing butt joint product is reduced; when the annular extrusion die 5 needs to be taken out, the clamping block 33 in the clamping hole 34 is pressed, the clamping block 33 is stressed, the compression spring 32 moves towards the clamping groove 31, and the die locking ring 4 can be taken down from the discharge pipe 2 after the clamping block 33 is separated from the clamping hole 34, so that the annular extrusion die 5 can be taken out easily and conveniently.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. An extrusion die for ultrathin rubber sheets comprises an extrusion head (1), and is characterized in that the extrusion end of the extrusion head (1) is communicated with a discharge pipe (2), the outer pipe wall of the discharge pipe (2) is jointly connected with a neck ring die locking ring (4) through clamping mechanisms (3) which are symmetrically arranged, the neck ring die locking ring (4) is in clearance fit with the discharge pipe (2), an annular extrusion neck die (5) is arranged in the neck ring die locking ring (4), two ends of the annular extrusion neck die (5) are respectively arranged in the neck ring die locking ring (4) and the discharge pipe (2), the annular extrusion neck die (5) comprises an extrusion ring (51) and a hollow conical guide block (52), the extrusion ring (51) and the conical guide block (52) are connected into an integral structure, and an arc-shaped discharge channel (53) is formed at the connection position between the conical guide block (52) and the extrusion ring (51), the annular extrusion die (5) is provided with a reinforcing rib, and the discharge channel (53) is arranged on the conical guide block (52).
2. The extrusion die of the ultra-thin rubber sheet as claimed in claim 1, wherein the clamping mechanism (3) comprises a clamping groove (31), a spring (32), a clamping block (33) and a clamping hole (34), the clamping groove (31) is formed in the outer tube wall of the discharge tube (2), the clamping hole (34) is formed in the ring wall of the neck ring locking ring (4) at a position corresponding to the clamping groove (31), one end of the spring (32) is fixedly connected to the bottom of the clamping groove (31), the other end of the spring (32) is connected with one end of the clamping block (33), and one end of the clamping block (33), which is far away from the spring (32), sequentially penetrates through the notch of the clamping groove (31) and the orifice of the clamping hole (34) and extends into the clamping hole (34).
3. The extrusion die for the ultrathin rubber sheets as claimed in claim 1, wherein an annular sealing groove (6) is formed in the outer tube wall of the discharge tube (2) at a position far away from one end of the extruder head (1), a sealing ring (7) is arranged between the sealing groove (6) and the inner ring wall of the die locking ring (4), and the sealing ring (7) is sleeved in the sealing groove (6).
4. The extrusion die for the ultrathin rubber sheet as claimed in claim 1, wherein a locking wrench (8) is mounted on the extrusion head (1), and the locking wrench (8) is provided with anti-skid lines.
5. The extrusion die for the ultra-thin rubber sheets as claimed in claim 2, wherein the side wall of the position of the clamping block (33) close to one end of the spring (32) is symmetrically and fixedly connected with the sliding blocks (9), the clamping grooves (31) are symmetrically provided with sliding grooves (10) on the groove walls of the two sliding blocks (9) along the vertical direction, and the sliding blocks (9) are slidably connected and correspond to the sliding grooves (10).
6. The extrusion die for ultra-thin rubber sheets as claimed in claim 2, wherein the clamping hole (34) is hinged with a tube cover (11) at a position far away from the tube opening at one end of the discharge tube (2).
7. The extrusion die for the ultrathin rubber sheet as claimed in claim 5, wherein a rolling groove (12) is formed in one end, away from the clamping block (33), of the sliding block (9), a rolling ball (13) is arranged in the rolling groove (12), one end, away from the bottom of the rolling groove (12), of the rolling ball (13) is arranged through a notch of the rolling groove (12), and the rolling ball (13) is connected to the bottom of the sliding groove (10) in a rolling manner.
8. The extrusion die for the ultra-thin rubber sheets as claimed in claim 5, wherein a sliding rod (14) is fixedly connected in the sliding groove (10) along a vertical direction, and the sliding rod (14) penetrates through the sliding block (9).
9. The extrusion die for the ultrathin rubber sheet as claimed in claim 6, wherein a cutout (15) is formed in one end of the pipe cover (11) far away from the clamping block (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748974.2U CN211074639U (en) | 2019-10-18 | 2019-10-18 | Extrusion die of ultra-thin rubber sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748974.2U CN211074639U (en) | 2019-10-18 | 2019-10-18 | Extrusion die of ultra-thin rubber sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211074639U true CN211074639U (en) | 2020-07-24 |
Family
ID=71635953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921748974.2U Active CN211074639U (en) | 2019-10-18 | 2019-10-18 | Extrusion die of ultra-thin rubber sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211074639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232260A (en) * | 2021-06-01 | 2021-08-10 | 邢台约翰威克士工业有限公司 | Pre-forming extrusion device for preparing rubber sealing element |
-
2019
- 2019-10-18 CN CN201921748974.2U patent/CN211074639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232260A (en) * | 2021-06-01 | 2021-08-10 | 邢台约翰威克士工业有限公司 | Pre-forming extrusion device for preparing rubber sealing element |
| CN113232260B (en) * | 2021-06-01 | 2022-06-17 | 邢台约翰威克士工业有限公司 | Pre-forming extrusion device for preparing rubber sealing element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2610668C2 (en) | Device for producing hollow bodies from thermoplastic material | |
| US4683095A (en) | Early progressive junction extrusion process and system | |
| US3209404A (en) | Extruder | |
| CN211074639U (en) | Extrusion die of ultra-thin rubber sheet | |
| DE3125043A1 (en) | "DEVICE FOR THE PRODUCTION OF OBJECTS FROM PLASTIC" | |
| DE3815415C2 (en) | ||
| JP2530396B2 (en) | Coextrusion apparatus and method for modifying the inner contour of a tubular extrudate | |
| CN108582566B (en) | Preparation equipment and process for reinforced and toughened HDPE (high-density polyethylene) composite furniture material based on nanocellulose | |
| CN217704610U (en) | Cold feed extruder | |
| CN115674627A (en) | Polar film forming equipment and film forming method | |
| DE102011002313A9 (en) | Extrusion tool for the production of flat preforms from a plastic melt | |
| CA3000199C (en) | Blow mold assembly | |
| CN211709983U (en) | Adjustable sheet machine head | |
| CN204354441U (en) | A kind of two cylinders extruding compounding machine control roller structure separately | |
| DE2149569A1 (en) | Blow moulding two compartment can - using spreadable fingers to flatten preform before blowing | |
| CN218576974U (en) | High-speed double-layer co-extrusion film blowing mechanism | |
| EP2801465B1 (en) | Method for producing a container with a flexible inner bag | |
| CN212312696U (en) | Pull type adjusting die ring of PVDC (polyvinyl dichloride) multilayer co-extrusion die | |
| CN201291581Y (en) | Double-material co-extrusion plastic section bar extrusion mould | |
| CN205572958U (en) | Compound extrusion equipment of automobile sealing strip | |
| CN218139779U (en) | Granulating extrusion die head for double-screw extruder | |
| CN220075517U (en) | Die structure for extruding PP sheet | |
| CN214082702U (en) | Get rid of preparation facilities of PVC board surface sharkskin | |
| CN214521823U (en) | Vertical foxing extruder | |
| CN211390075U (en) | Rubber sealing strip extruder head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of extrusion die for ultra-thin rubber sheet Effective date of registration: 20220811 Granted publication date: 20200724 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA YONGCHANG AUTOMOBILE PARTS Co.,Ltd. Registration number: Y2022430000070 |