CN203831777U - Die lip gap fine-adjustment structure on extrusion die - Google Patents
Die lip gap fine-adjustment structure on extrusion die Download PDFInfo
- Publication number
- CN203831777U CN203831777U CN201420257300.3U CN201420257300U CN203831777U CN 203831777 U CN203831777 U CN 203831777U CN 201420257300 U CN201420257300 U CN 201420257300U CN 203831777 U CN203831777 U CN 203831777U
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- CN
- China
- Prior art keywords
- nut
- fine
- die
- die lip
- tuning
- 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.)
- Expired - Lifetime
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
- B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a die lip gap fine-adjustment structure on an extrusion die and belongs to the technical field of dies. The technical problems that die lip gaps are low in adjustment accuracy and the like in the prior art are solved. The extrusion die comprises an upper die and a lower die; the upper die comprises a die lip; a gap is formed between the die lip and the lower die; the fine-adjustment structure comprises a fixing block and a hollow expansion rod; a through hole is formed in the fixing block; a fixing nut is fixedly arranged in the through hole; the upper end of the expansion rod is arranged in the fixing nut in an inserted mode and is in threaded connection with the fixing nut; a heating rod is arranged in the expansion rod; the lower end of the expansion rod is connected with a fine-adjustment push rod in a rotating mode; a pull hook is fixedly arranged at the lower end of the fine-adjustment push rod; the pull hook is connected with the die lip; the die lip can be driven by the pull hook to move relative to the lower ide and accordingly the size of the gap formed between the die lip and the lower die can be changed. The die lip gap fine-adjustment structure on the extrusion die has the advantages of being accurate in adjustment and the like.
Description
Technical field
The utility model belongs to technical field of mold, relates to a kind of extrusion die, particularly the die lip clearance fine adjustment structure on a kind of extrusion die.
Background technology
In nearly all production line for the production of plastic plate, film; all by extruder and compound die head, formed; different Material claddings is got up; the thickness of every layer is determined as required; die lip gap has determined the thickness of extruded product, and changing die lip gap is the basic skills of producing different-thickness product, that is to say; the adjusting in die lip gap is accurate, and the quality of products obtained therefrom and size be standard.
The fine tuning structure of die lip on a kind of die head device is disclosed in Chinese patent [CN 2806116 Y], comprise patrix and micromatic setting, micromatic setting comprises trimming bolt and fine adjustment screw, the two ends of trimming bolt are provided with screw thread, the pitch of fine adjustment screw internal and external threads is not identical, and its outer pitch is greater than interior pitch, and fine tuning structure adopts the bolt of two different pitch and the cooperation of screw, can realize trickleer adjusting, make the even thickness of the product of production.
But this fine tuning structure controls to adjust by manpower manual, manual adjustments not only error is large, and in mould running, be easy under the impact of the external factor such as mechanical braking, and the die lip gap of having adjusted is changed, thereby affect the quality of product.
Utility model content
The utility model is the problems referred to above that exist for existing technology, and the structure of the die lip clearance fine adjustment on a kind of extrusion die is provided, and technical problem to be solved in the utility model is the measure of precision that how to realize the motorized adjustment in die lip gap, improves adjusting.
The purpose of this utility model can realize by following technical proposal:
Die lip clearance fine adjustment structure on a kind of extrusion die, extrusion die comprises upper die and lower die, on described patrix, there is die lip, between described die lip and counterdie, there is gap, it is characterized in that, described fine tuning structure comprises the expansion rod of a fixed block and a hollow, in described fixed block, be provided with a through hole, in described through hole, be fixedly installed a hold-down nut, the upper end of described expansion rod is plugged in described hold-down nut and is threaded with described hold-down nut, in described expansion rod, be provided with heating rod, the lower end of described expansion rod and a fine setting push rod are rotationally connected, the lower end of described fine setting push rod is fixedly installed a drag hook, described drag hook is connected with described die lip, thereby and described drag hook can drive the relative counterdie motion of described die lip to change the gap length between die lip and counterdie.
The temperature of Current Control heating rod, expansion rod is elongated or shortened, promote or pull drag hook, thereby the gap between die lip and counterdie is changed, and then die lip gap is regulated, compare the mode of traditional manual adjustments, this fine tuning structure passes through motorized adjustment, can control accurately die lip gap, and handling safety, reliable.
In die lip clearance fine adjustment structure on above-mentioned a kind of extrusion die, be fixedly installed two support bars on described fixed block, described support bar is fixedly connected with described patrix.
In die lip clearance fine adjustment structure on above-mentioned a kind of extrusion die, on described fixed block, be fixedly installed a lower lock block, on described lower lock block, be provided with a upper holder block, described upper holder block is resisted against on described lower lock block, between described upper holder block and lower lock block, by hold-down screw, be connected, described hold-down nut is also connected with a switching nut, the lower end of described switching nut is plugged in described hold-down nut, the upper end of described switching nut has screwed hole, the upper end of described switching nut is provided with a fine-tuning nut, described fine-tuning nut is resisted against on described switching nut, in the screwed hole of described switching nut and fine-tuning nut, be connected with a lock-screw, described switching nut is plugged in described lower lock block, and described fine-tuning nut is plugged in described upper holder block, between described fine-tuning nut and upper holder block, be connected with a square nut, described square nut is set on described fine-tuning nut and with described fine-tuning nut and is threaded.Adjustment process is as follows: first unclamp lock-screw and hold-down screw, clockwise or be rotated counterclockwise fine-tuning nut, due between fine-tuning nut and square nut, be threaded, fine-tuning nut is moved up and down, thereby promote switching nut, move up and down, and then act on hold-down nut, hold-down nut acts on expansion rod, expansion rod is moved up and down, realize the adjusting in die lip gap; After completing adjusting, tighten lock-screw, die lip gap is fixed, eliminate the gap of each threaded engagement in whole adjustment structure, the degree of regulation while improving expansion rod adjusting gap.
Compared with prior art, the utlity model has following advantage:
1, the temperature of Current Control heating rod, expansion rod is elongated or shortened, promote or pull drag hook, thereby the gap between die lip and counterdie is changed, and then die lip gap is regulated, compare the mode of traditional manual adjustments, this fine tuning structure passes through motorized adjustment, can control accurately die lip gap, and handling safety, reliable.
2, in this fine tuning structure, be provided with lock-screw structure, after completing manual adjustments, tighten lock-screw, eliminate the gap of each threaded engagement in whole adjustment structure, the degree of regulation while improving expansion rod adjusting gap.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this extrusion die.
Fig. 2 is the cutaway view of fine tuning structure in this extrusion die.
Fig. 3 is the explosive view of fine tuning structure in this extrusion die.
In figure, 11, patrix; 12, counterdie; 13, die lip; 14, support bar; 21, fixed block; 22, expansion rod; 23, heating rod; 24, hold-down nut; 25, fine setting push rod; 26, drag hook; 31, upper holder block; 32, lower lock block; 33, hold-down screw; 41, switching nut; 42, fine-tuning nut; 43, lock-screw; 5, square nut.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As Figure 1-3, extrusion die comprises patrix 11 and counterdie 12, on patrix 11, there is die lip, between die lip and counterdie 12, there is gap, fine tuning structure comprises the expansion rod 22 of a fixed block 21 and a hollow, in fixed block 21, be provided with a through hole, in through hole, be fixedly installed a hold-down nut 24, the upper end of expansion rod 22 is plugged in hold-down nut 24 and is threaded with hold-down nut 24, in expansion rod 22, be provided with heating rod 23, the lower end of expansion rod 22 and a fine setting push rod 25 are rotationally connected, the lower end of fine setting push rod 25 is fixedly installed a drag hook 26, drag hook 26 is connected with die lip 13, thereby and can enough drive relative counterdie 12 motions of die lip 13 to change the gap length between die lip and counterdie 12 by drag hook 26, the temperature of Current Control heating rod 23, expansion rod 22 is elongated or shortened, promote or pull drag hook 26, thereby the gap between die lip 13 and counterdie 12 is changed, and then die lip 13 gaps are regulated, compare the mode of traditional manual adjustments, this fine tuning structure passes through motorized adjustment, can control accurately die lip 13 gaps, and handling safety, reliably.
As Figure 1-3, on fixed block 21, be fixedly installed two support bars 14, support bar 14 is fixedly connected with patrix 11, on fixed block 21, be fixedly installed a lower lock block 32, on lower lock block 32, be provided with a upper holder block 31, upper holder block 31 is resisted against on lower lock block 32, between upper holder block 31 and lower lock block 32, by hold-down screw 33, be connected, hold-down nut 24 is also connected with a switching nut 41, the lower end of switching nut 41 is plugged in hold-down nut 24, the upper end of switching nut 41 has screwed hole, the upper end of switching nut 41 is provided with a fine-tuning nut 42, fine-tuning nut 42 is resisted against on switching nut 41, in the screwed hole of switching nut 41 and fine-tuning nut 42, be connected with a lock-screw 43, switching nut 41 is plugged in lower lock block 32, and fine-tuning nut 42 is plugged in upper holder block 31, between fine-tuning nut 42 and upper holder block 31, be connected with a square nut 5, square nut 5 is set on fine-tuning nut 42 and with fine-tuning nut 42 and is threaded.
Adjustment process is as follows: first unclamp lock-screw 43 and hold-down screw 33, clockwise or be rotated counterclockwise fine-tuning nut 42, due between fine-tuning nut 42 and square nut 5, be threaded, fine-tuning nut 42 is moved up and down, thereby promote switching nut 41, move up and down, and then act on hold-down nut 24, hold-down nut 24 acts on expansion rod 22, expansion rod 22 is moved up and down, realize the adjusting in die lip 13 gaps; After completing adjusting, tighten lock-screw, die lip 13 gaps are fixed, eliminate the gap of each threaded engagement in whole adjustment structure, the degree of regulation while improving expansion rod 22 adjusting gap.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (3)
1. the die lip clearance fine adjustment structure on an extrusion die, extrusion die comprises patrix (11) and counterdie (12), described patrix has die lip on (11), described die lip and counterdie have gap between (12), it is characterized in that, described fine tuning structure comprises the expansion rod (22) of a fixed block (21) and a hollow, described fixed block is provided with a through hole in (21), in described through hole, be fixedly installed a hold-down nut (24), the upper end of described expansion rod (22) is plugged in described hold-down nut (24) and is threaded with described hold-down nut (24), in described expansion rod (22), be provided with heating rod (23), the lower end of described expansion rod (22) and a fine setting push rod (25) are rotationally connected, the lower end of described fine setting push rod (25) is fixedly installed a drag hook (26), described drag hook (26) is connected with described die lip (13), and described drag hook (26) can drive the relative counterdie (12) of described die lip (13) thereby motion changes the gap length between die lip and counterdie (12).
2. the die lip clearance fine adjustment structure on extrusion die according to claim 1, is characterized in that, is fixedly installed two support bars (14) on described fixed block (21), and described support bar (14) is fixedly connected with described patrix (11).
3. the die lip clearance fine adjustment structure on extrusion die according to claim 2, it is characterized in that, on described fixed block (21), be fixedly installed a lower lock block (32), on described lower lock block (32), be provided with a upper holder block (31), described upper holder block (31) is resisted against on described lower lock block (32), between described upper holder block (31) and lower lock block (32), by hold-down screw (33), be connected, described hold-down nut (24) is also connected with a switching nut (41), the lower end of described switching nut (41) is plugged in described hold-down nut (24), the upper end of described switching nut (41) has screwed hole, the upper end of described switching nut (41) is provided with a fine-tuning nut (42), described fine-tuning nut (42) is resisted against on described switching nut (41), in the screwed hole of described switching nut (41) and fine-tuning nut (42), be connected with a lock-screw (43), described switching nut (41) is plugged in described lower lock block (32), and described fine-tuning nut (42) is plugged in described upper holder block (31), between described fine-tuning nut (42) and upper holder block (31), be connected with a square nut (5), described square nut (5) is set in described fine-tuning nut (42) above and is threaded with described fine-tuning nut (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257300.3U CN203831777U (en) | 2014-05-20 | 2014-05-20 | Die lip gap fine-adjustment structure on extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257300.3U CN203831777U (en) | 2014-05-20 | 2014-05-20 | Die lip gap fine-adjustment structure on extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831777U true CN203831777U (en) | 2014-09-17 |
Family
ID=51509660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257300.3U Expired - Lifetime CN203831777U (en) | 2014-05-20 | 2014-05-20 | Die lip gap fine-adjustment structure on extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831777U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936118A (en) * | 2016-06-30 | 2016-09-14 | 重庆浩立塑胶有限公司 | Foaming material extrusion die opening adjusting device |
| CN106042318A (en) * | 2016-06-30 | 2016-10-26 | 重庆浩立塑胶有限公司 | Automatic regulating device of extrusion die opening |
| CN109940852A (en) * | 2018-08-01 | 2019-06-28 | 浙江精诚模具机械有限公司 | A kind of extrusion die die lip opening automatic fine tuning structure of band independence air-cooled structure |
| CN111590849A (en) * | 2020-05-25 | 2020-08-28 | 台州市黄岩亮科模具机械有限公司 | Sheet extrusion die head |
-
2014
- 2014-05-20 CN CN201420257300.3U patent/CN203831777U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936118A (en) * | 2016-06-30 | 2016-09-14 | 重庆浩立塑胶有限公司 | Foaming material extrusion die opening adjusting device |
| CN106042318A (en) * | 2016-06-30 | 2016-10-26 | 重庆浩立塑胶有限公司 | Automatic regulating device of extrusion die opening |
| CN109940852A (en) * | 2018-08-01 | 2019-06-28 | 浙江精诚模具机械有限公司 | A kind of extrusion die die lip opening automatic fine tuning structure of band independence air-cooled structure |
| CN111590849A (en) * | 2020-05-25 | 2020-08-28 | 台州市黄岩亮科模具机械有限公司 | Sheet extrusion die head |
| CN111590849B (en) * | 2020-05-25 | 2022-08-05 | 台州市黄岩亮科模具机械有限公司 | Sheet extrusion die head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |