CN211542307U - Plastic extruder with die head convenient to replace - Google Patents
Plastic extruder with die head convenient to replace Download PDFInfo
- Publication number
- CN211542307U CN211542307U CN201922224842.6U CN201922224842U CN211542307U CN 211542307 U CN211542307 U CN 211542307U CN 201922224842 U CN201922224842 U CN 201922224842U CN 211542307 U CN211542307 U CN 211542307U
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- China
- Prior art keywords
- die head
- sliding table
- flange
- tightening device
- rotating shaft
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- Expired - Fee Related
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- 229920003023 plastic Polymers 0.000 title claims abstract description 18
- 239000004033 plastic Substances 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a change die head extruder technical field, especially relate to a plastics extruder convenient to change die head. The design that a main machine of the extruder and a die head are used in a combined mode through a flange connection and a tightening device is adopted, the left end of the flange is fixedly connected to the main machine through a nut, the die head and the nut connected to the flange are sequentially unscrewed by 1-2 buttons during replacement, then the die head and the nut are detached one by one, then a knob at the left end of the tightening device is rotated, a screw rotating shaft is driven to rotate, a thread groove in the middle of the bottom of a sliding table is driven by the screw rotating shaft to move leftwards, and a pressing block is separated from the die head; through grooves are arranged at the symmetrical positions of the two ends of the sliding table and connected with the sliding rods, so that the sliding table is kept in a stable state when moving left and right; when the die head is installed, the operation knob enables the sliding table to move rightwards after the die head is installed, the pressing block and the edges of the two ends of the die head are in a pressing state and then stop rotating, and the die head is guaranteed to be easy and convenient to operate when being replaced.
Description
Technical Field
The utility model relates to a change die head extruder technical field, especially relate to a plastics extruder convenient to change die head.
Background
In the processing process of the plastic product, the components are fully and uniformly mixed by extruding and granulating through a screw extruder, which is a commonly-used technological process in the processing process of the plastic product. In the extrusion process, the pore channels on the die head are easy to block due to impurities, and the base product contains a large number of bubble holes due to the air inclusion, so that the final quality of the product is influenced, and the die head needs to be cleaned and replaced frequently.
The die head of the existing extrusion die and the whole extrusion die are of an integrated structure, so that the whole extrusion die is damaged once the die head is damaged, the die head of the extruder is heavy, and the disassembly is troublesome during replacement. The traditional die head connection easily causes thread damage, so that the die head cannot be normally connected to the extruder.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to the technical insufficiency, the design of the combined use of the extruder host and the die head through the flange connection and the tightening device is adopted, the left end of the flange is fixedly connected on the host through the nut, the die head and the nut connected with the flange are sequentially unscrewed by 1-2 buttons during the replacement, then the die head and the nut are detached one by one, then the knob at the left end of the tightening device is rotated to drive the screw rod rotating shaft to start to rotate, the thread groove at the middle position at the bottom of the sliding table starts to move left under the driving of the screw rod rotating shaft, and the pressing block is separated from the die head; through grooves are arranged at the symmetrical positions of the two ends of the sliding table and connected with the sliding rods, so that the sliding table is kept in a stable state when moving left and right; when the die head is installed, the operation knob enables the sliding table to move rightwards after the die head is installed, the pressing block and the edges of the two ends of the die head are in a pressing state and then stop rotating, and the die head is guaranteed to be easy and convenient to operate when being replaced.
In order to solve the technical problem, the utility model provides a following technical scheme: comprises a host, a die head, a flange and a tightening device; the die head is arranged at the right end of the host; the die head is arranged at the right end of the flange; the main machine is connected with the die head through a flange; the support table is arranged at the right end of the host; the top of the supporting table is provided with a groove; the die head is arranged on the top of the support platform through a groove; the tightening device is arranged at the right side position of the host; the tightening device is arranged at the bottom of the die head.
Preferably, the tightening device comprises a base bracket, a sliding table, a sliding rod, a screw rotating shaft and a knob; the base support is arranged at the bottom of the right end of the host; a plurality of baffles are arranged at both ends of the base support; the baffle plates at the two ends correspond to each other in position; a clamping groove is formed in the middle of the top of the baffle; the sliding rod and the screw rod rotating shaft are connected to the baffle through a clamping groove; the sliding table is arranged in the middle of the top of the tightening device.
Preferably, a thread groove is arranged at the middle position of the bottom of the sliding table; through grooves are formed in the positions of two ends of the sliding table; and pressing blocks are arranged at two ends of the top of the sliding table.
Preferably, the sliding table is connected to the screw rotating shaft through a thread groove; the sliding table is connected to the sliding rod through the through groove; the transverse length of the pressing block corresponds to that of the die head edge.
Preferably, the sliding table is arranged at the right side position of the bottom of the die head; the sliding table is arranged on the right side of the supporting table.
Preferably, the knob is arranged at the right end of the screw rod rotating shaft; the supporting platform is arranged in the middle of the left side of the base support.
Preferably, a heating sleeve is arranged in the middle of the flange; the flange is connected to the die head by a plurality of nuts.
Compared with the prior art, the utility model discloses a theory of operation and beneficial effect do:
1. the die head is connected with the extruder main body through the flange, and only the flange and the die head need to be separated when the die head is disassembled and assembled, so that the abrasion of the extruder main body caused by frequent replacement of the die head is reduced;
2. the tightening device arranged on the right side of the die head prevents the damage to elements caused by the large bearing pressure of the nut when the die head is in an overlarge pressure state;
3. the bottom of the die head is arranged on the support table, so that the die head is prevented from falling and being damaged when being disassembled and installed;
4. through grooves are formed in the two ends of the sliding table, and the sliding table is connected to the sliding rod through the through grooves, so that the sliding table can move left and right stably under the driving of the screw rotating shaft;
5. the screw rod rotating shaft drives the sliding table by rotating the knob left and right, so that the operation is simple and the control is easy.
Drawings
Fig. 1 is a schematic view showing the overall structure of a plastic extruder which facilitates die replacement.
Fig. 2 is a schematic view of a die head and flange connection and tightening device of a plastic extruder convenient for replacing the die head.
Fig. 3 is a perspective view of the overall structure of a tightening device of a plastic extruder for facilitating die replacement.
Fig. 4 is a partial cross-sectional view of a slide table and a screw shaft of a take-up device of a plastic extruder for facilitating die replacement.
In the figure: 1. a host; 2. a die head; 201. a support table; 202. a groove; 3. a flange; 301. heating a jacket; 302. a nut; 4. a tightening device; 401. a base support; 402. a sliding table; 403. a slide bar; 404. a screw spindle; 405. a knob; 406. a baffle plate; 407. a card slot; 408. a thread groove; 409. a through groove; 410. and (7) briquetting.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the plastic extruder convenient for die head replacement provided by the present invention comprises a main machine 1, a die head 2, a flange 3 and a tightening device 4; the die head 2 is arranged at the right end of the main machine 1; the die head 2 is arranged at the right end of the flange 3; the main machine 1 is connected with the die head 2 through a flange 3; the support table 201 is arranged at the right end of the host 1; a groove 202 is formed in the top of the support table 201; the die head 2 is arranged on the top of the support table 201 through a groove 202; the tightening device 4 is arranged at the right side of the host 1; the tightening device 4 is arranged at the bottom of the die head 2.
Preferably, the tightening device 4 comprises a base bracket 401, a sliding table 402, a sliding rod 403, a screw rotating shaft 404 and a knob 405; the base support 401 is arranged at the bottom of the right end of the host 1; a plurality of baffles 406 are arranged at both ends of the base bracket 401; the baffle plates 406 at two ends correspond in position; a clamping groove 407 is formed in the middle of the top of the baffle 406; the sliding rod 403 and the screw spindle 404 are connected to the baffle 406 through a clamping slot 407; the slide table 402 is disposed at a position intermediate the top of the tightening device 4.
Preferably, a thread groove 408 is formed in the middle position of the bottom of the sliding table 402; through grooves 409 are formed in the positions of two ends of the sliding table 402; pressing blocks 410 are arranged at two ends of the top of the sliding table 402.
Preferably, the sliding table 402 is connected to the screw rotating shaft 404 through a thread groove 408; the sliding table 402 is connected to the sliding rod 403 through a through groove 409; the compacts 410 correspond in transverse length to the transverse length of the edge of the die 2.
Preferably, the sliding table 402 is arranged at the right position of the bottom of the die head 2; the slide table 402 is disposed on the right side of the support table 201.
Preferably, the knob 405 is arranged at the right end of the screw rod rotating shaft 404; the supporting platform 201 is arranged at the middle position of the left side of the base bracket 401.
Preferably, a heating jacket 301 is arranged in the middle of the flange 3; the flange 3 is connected to the die head 2 by a plurality of nuts 302.
The working principle is as follows: step one, as shown in fig. 1 to 4, in a shutdown state, placing the die head 2 on the groove 202 of the support table 201, pushing the die head 2 to move leftward to make the right end of the flange 3 correspond to the die head in position, after the end surfaces of the flange 3 and the die head 2 are overlapped, tightly connecting the flange 3 and the die head 2 by using the nut 302, rotating the knob 405 at this time, making the screw rotating shaft 404 rotate under the driving of the knob 405, driving the sliding table 402 by the screw rotating shaft 404 through the thread groove 409, sliding the sliding table 402 on the sliding rods 403 at both ends to slide leftward under the driving of the screw rotating shaft 404, making the pressing blocks 410 on the sliding table 402 contact and press the edge parts at both sides of the die head 2, and stopping rotating the knob 405 at this time.
The main machine 1 and the die head 2 are connected through the flange 3', so that the abrasion and damage to the main machine 1 of the extruder caused by frequent replacement of the die head 2 are avoided; the die head 2 is arranged at the top of the support table 201 through the groove 202, so that the die head 2 is convenient and labor-saving to mount, and the phenomenon that the die head 2 falls off during mounting and dismounting due to the fact that the die head 2 is heavy is avoided; because the heating sleeve 301' is arranged in the middle of the flange 3, the influence on the production of the extruder caused by the temperature change of the flange 3 is avoided.
Because the sliding table 402 is connected to the screw spindle 404 through the thread groove 408; the sliding table 402 is connected to the sliding rod 403' through the through slot 409, so that the sliding table 402 can move left and right smoothly under the driving of the screw rotating shaft 404; because the two ends of the top of the sliding table 402 are provided with the pressing blocks 410; the flange 3 is connected with the die head 2 through a plurality of nuts 302', so that the connection part of the die head 2 and the flange 3 is stable, and the connection part is not easy to damage when the die head 2 is subjected to high internal pressure.
Step two, as shown in fig. 1-4, if the die head 2 needs to be replaced in production, the extruder in a working state is stopped, and after the extruder stops operating, the nuts 302 on the flange on the left side of the die head 2 are sequentially unscrewed for 1-2 buttons and then are detached one by one; after the nuts 302 are completely removed, by operating the knob 405 on the right side of the tightening device 4, the knob 405 drives the screw rotating shaft 404 to rotate when rotating, so that the sliding table 402 moves to the right side under the action of the screw rotating shaft 404, meanwhile, the pressing blocks 410 on the tops of the two ends of the sliding table 402 are separated from the die head 2, and at the moment, the die head 2 is in a natural state and is removed.
In conclusion, the die head 2 is connected to the main machine 1 through the flange 3 and the tightening device 4 is used, so that only the nut 302 at the joint of the die head 2 and the flange 3 needs to be disassembled when the die head 2 is replaced, and the operation is convenient; under the action of the tightening device 4, the wear of the elements at the connection of the die 2 and the flange 3 due to the internal pressure is reduced.
The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides a plastics extruder convenient to change die head which characterized in that: comprises a main machine (1), a die head (2), a flange (3) and a tightening device (4); the die head (2) is arranged at the right end of the main machine (1); the die head (2) is arranged at the right end of the flange (3); the main machine (1) is connected with the die head (2) through a flange (3); the support table (201) is arranged at the right end of the host (1); a groove (202) is formed in the top of the support table (201); the die head (2) is arranged on the top of the support table (201) through a groove (202); the tightening device (4) is arranged at the right side of the host (1); the tightening device (4) is arranged at the bottom of the die head (2).
2. A plastic extruder facilitating die change according to claim 1, characterized in that the tightening device (4) comprises a base bracket (401), a sliding table (402), a sliding rod (403), a screw rotating shaft (404) and a knob (405); the base support (401) is arranged at the bottom of the right end of the host (1); a plurality of baffles (406) are arranged at both ends of the base support (401); the baffle plates (406) at the two ends are corresponding in position; a clamping groove (407) is formed in the middle of the top of the baffle (406); the sliding rod (403) and the screw rod rotating shaft (404) are connected to the baffle (406) through a clamping groove (407); the sliding table (402) is arranged at the middle position of the top of the tightening device (4).
3. A plastic extruder with die head replacement convenience, as claimed in claim 2, wherein: a thread groove (408) is formed in the middle of the bottom of the sliding table (402); through grooves (409) are formed in the positions of two ends of the sliding table (402); pressing blocks (410) are arranged at two ends of the top of the sliding table (402).
4. A plastic extruder with die head replacement convenience as claimed in claim 3 wherein: the sliding table (402) is connected to the screw rod rotating shaft (404) through a thread groove (408); the sliding table (402) is connected to the sliding rod (403) through a through groove (409); the transverse length of the pressing block (410) corresponds to that of the edge of the die head (2).
5. A plastic extruder with die head replacement convenience, as claimed in claim 2, wherein: the sliding table (402) is arranged at the right side position of the bottom of the die head (2); the sliding table (402) is arranged on the right side of the supporting table (201).
6. A plastic extruder with die head replacement convenience, as claimed in claim 2, wherein: the knob (405) is arranged at the right end of the screw rod rotating shaft (404); the supporting table (201) is arranged in the middle of the left side of the base support (401).
7. A plastic extruder with die head replacement convenience, as claimed in claim 1, wherein: a heating sleeve (301) is arranged in the middle of the flange (3); the flange (3) is connected with the die head (2) through a plurality of nuts (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224842.6U CN211542307U (en) | 2019-12-12 | 2019-12-12 | Plastic extruder with die head convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224842.6U CN211542307U (en) | 2019-12-12 | 2019-12-12 | Plastic extruder with die head convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211542307U true CN211542307U (en) | 2020-09-22 |
Family
ID=72505325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922224842.6U Expired - Fee Related CN211542307U (en) | 2019-12-12 | 2019-12-12 | Plastic extruder with die head convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211542307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474657A (en) * | 2021-12-29 | 2022-05-13 | 江门必发机械设备有限公司 | Dismounting device for threaded sleeve of screw dismounting machine |
-
2019
- 2019-12-12 CN CN201922224842.6U patent/CN211542307U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474657A (en) * | 2021-12-29 | 2022-05-13 | 江门必发机械设备有限公司 | Dismounting device for threaded sleeve of screw dismounting machine |
| CN114474657B (en) * | 2021-12-29 | 2024-03-29 | 江门必发机械设备有限公司 | Screw sleeve removing device of screw disassembling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |