GB2042954A - An Automatic Machine for Cleaning Hard Metal Drawing Dies - Google Patents
An Automatic Machine for Cleaning Hard Metal Drawing Dies Download PDFInfo
- Publication number
- GB2042954A GB2042954A GB8006108A GB8006108A GB2042954A GB 2042954 A GB2042954 A GB 2042954A GB 8006108 A GB8006108 A GB 8006108A GB 8006108 A GB8006108 A GB 8006108A GB 2042954 A GB2042954 A GB 2042954A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clamping device
- drawing dies
- catch plate
- bores
- compressed air
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000003999 initiator Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/06—Cleaning dies, ducts, containers or mandrels
Abstract
Apparatus for continuously cleaning hard metal drawing dies includes a conveying device (2) which leads from a receptacle to a first clamping device (6). A pusher device (3) pushes the dies into recesses of a catch plate and the clamping device (6) is pressed hydraulically against the drawing die and supplies a cleaning liquid at high pressure and/or compressed air to the drawing die bores. A second clamping device (7) receives compressed air for removing any adhering liquid from the die bores while cleaning liquid followed by compressed air are simultaneously supplied to the first device for cleaning a successive drawing die. From the second device each drawing die is delivered to a collecting vessel. <IMAGE>
Description
SPECIFICATION
An Automatic Machine for Cleaning Hard
Metal Drawing Dies
The present invention relates to an apparatus for continuously cleaning hard metal drawing dies.
When bores have been produced in hard metal drawing dies, the remaining lapping abrasive has to be removed from the drawing channels. Aiso, the used drawing dies which come from the finishing process have to be cleaned before the start of processing. Up till now this cleaning work has been customarily carried out by hand which is associated with a considerable expense.
The invention is therefore based on the problem of providing an apparatus for continuously cleaning hard metal drawing dies, wherein solely the soiled drawing dies have to be introduced into a receptacle and the clean drawing dies removed from a collecting vessel. All the other operational steps should take place automatically.
According to the present invention there is provided an apparatus for continuously cleaning hard metal drawing dies, the apparatus comprising a receptable for the drawing dies to be cleaned; a conveying device which leads from the receptable to a first clamping device which cooperates with a catch plate provided with recesses for receiving the drawing dies, the first clamping device comprising a punch which is hydraulically pressable against the drawing die and which acts against an abutment, which punch comprises a hollow channel for supplying a cleaning liquid under high pressure and/or compressed air; a second clamping device positioned at a distance from the first clamping device which is related to the recesses in the catch plate, the second clamping device being constructed identically to said first clamping device; and a collecting vessel for the drawing dies which have been cleaned.
The conveying device leading from the receptacle to the first clamping device is preferably a vibratory supply device. The catch plate positioned on a supporting plate is advantageously connected to a stepping switch mechanism which is driven pneumatically. The supporting plate preferably comprises bores which are coaxial to both the hydraulically operated punches or to their axial bores, which coaxial bores are connected to supply channels for cleaning liquid or compressed air.
By using the apparatus of the invention, it is possible for example, first to remove clinging remnants from the drawing die bores in the first clamping device by using a cleaning liquid supplied under high pressure and then to blow most of the remaining liquid away. In the second clamping device, in which the drawing dies arrive respectively from the first clamping apparatus with the aid of the catch plate, the remaining adhering liquid is removed using compressed air from the drawing die bores and the bores are dried.
The invention is described in more detail with the aid of the accompanying drawings.
Figure 1 shows a front view of an embodiment of the present invention and
Figure 2 shows a top view of the embodiment shown in Figure 1.
The embodiment of the invention shown in the drawings is mounted in a frame 1. A transport groove 2 leads from a receptacle which is not shown, to a pusher device 3 which pushes the drawing dies repectively coming from the transport groove individually into recesses 5 of a catch plate 4. These recesses 5 are spaced regularly over the circumference of the catch plate. Two clamping devices 6 and 7 are located on the circumference of the catch plate 4 and above said plate in such a manner that their spacing exactly corresponds to a division between the recesses 5 on the circumference of the catch plate 4. The entire arrangement is covered by a protective hood 8. An hydraulic unit 9 and a high pressure pump 10 for the cleaning liquid are positioned beneath the catch plate 4.
When the apparatus starts to operate, the pusher device 3 pushes a drawing die located in its vicinity into the opposite recess 5. Thereupon, the catch plate 4 starts to move and advances a further division so that the drawing die passes into the region of the clamping device 6. As soon as the catch plate has stopped moving, the pusher device 3 pushes another drawing die into the next recess 5 of the catch plate 4. An approach initiator which is not shown, located in the vicinity of the first clamping device, now releases the further cycle step. The drawing die is clamped first of all in the clamping device 6 and thereafter, a high pressure water jet is released which rinses out clinging impurities from the drawing die bores. Compressed air is then blown through the bore in the clamping device 6 which removes most of the washing liquid.Subsequently, the stepping switch again switches the catch plate 4 onto a further division, after the clamping device 6 has released the drawing die. The drawing die then progresses to the clamping device 7, where another approach initiator initiates the clamping action and the further steps for this clamping device. Meanwhile, the next drawing die is inserted into the clamping device 6. The pusher device 3 again introduces a drawing die into the next recess.
The remaining moisture is then removed from the bore in the clamping device 7 by using compressed air and the bore is dried.
Simultaneously, the washing process described above again takes place in the clamping device 6.
After the completion of the washing or drying process, the catch plate again switches onto a further division and the first drawing die progresses into a receptacle (not shown), from which it can be removed in a clean condition.
The catch plate 4 is located on a electropneumatically operable revolving table 11.
An approach initiator is connected respectively to the cleaning apparatus (6) as well as to the drying apparatus (7) - as has been pointed out above which approach initiator causes each clamping process and the release of the high pressure water and compressed air to be effected only after the catch plate has again stopped moving, when the drawing dies have been pivoted into their intended position.
The automatic machine is operated in an electrical-hydraulic manner, whereby switching elements which are known per se, co-operate such that the described individual processes take place successively in synchronism.
In some cases, particularly where there are heavy deposits of grime and/or very narrow drawing die bores, it has proved to be expedients after the respective clamping into the clamping rinse devices 6 and 7, to or blow through the bores first using a low pressure. Thereby, heavy deposits of grime or water still remaining after the cleaning process are first removed or at least greatly reduced which can lead to a considerable curtailment in the cleaning cycles.
Claims (5)
1. An apparatus for continuously cleaning hard metal drawing dies, the apparatus comprising a receptacle for the drawing dies to be cleaned; a conveying device which leads from the receptacle to a first clamping device which co-operates with a catch plate provided with recesses for receiving the drawing dies, the first clamping device comprising a punch which is hydraulically pressable against the drawing die and which acts against an abutment, which punch comprises a hollow channel for supplying a cleaning liquid under high pressure and/or compressed air; a second clamping device positioned at a distance from the first clamping device which is related to the recesses in the catch plate, the second clamping device being constructed identically to said first clamping device; and a collecting vessel for the drawing dies which have been cleaned.
2. An apparatus according to claim 1, wherein the conveying device leading from the receptacle to the first clamping device is a vibratory supply device.
3. An apparatus according to claim 1 or 2, wherein the catch plate is connected to a stepping switch mechanism which is operated pneumatically.
4. An apparatus according to any of claims 1 to 3 wherein the catch plate is located on a supporting plate having bores which are coaxial with both hydraulically operated punches of said first and second fastening devices, or to the axial bores, thereof, which coaxial bores are connected to supply channels for the cleaning liquid and/or compressed air.
5. An apparatus for continuously cleaning hard metal drawing dies substantially as herein described with reference to the accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE7905337 | 1979-02-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB2042954A true GB2042954A (en) | 1980-10-01 |
| GB2042954B GB2042954B (en) | 1982-10-13 |
Family
ID=6701418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8006108A Expired GB2042954B (en) | 1979-02-26 | 1980-02-22 | Automatic machine for cleaning hard metal drawing dies |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE881890A (en) |
| CH (1) | CH641981A5 (en) |
| FR (1) | FR2449489A1 (en) |
| GB (1) | GB2042954B (en) |
| IT (1) | IT1144035B (en) |
| LU (1) | LU82191A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361657A (en) * | 2013-07-11 | 2013-10-23 | 杭州华光焊接新材料股份有限公司 | Annular brazing filler metal cleaning method and cleaning device |
| CN104289474A (en) * | 2014-08-20 | 2015-01-21 | 山西云鹏制药有限公司 | Tablet press dust collecting device |
| CN106216413A (en) * | 2016-08-11 | 2016-12-14 | 贵州钢绳股份有限公司 | A kind of drum-type wire drawing die cleaning machine |
| US20180029090A1 (en) * | 2016-07-29 | 2018-02-01 | Niccolai Trafile S.R.L. | Method for cleaning die plates for the production of pasta or snacks and machine for its execution |
| CN114850235A (en) * | 2022-06-09 | 2022-08-05 | 山西森鼎立设备制造有限公司 | Direct-drive type metal fine wire drawing machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3425089A1 (en) * | 1984-07-07 | 1986-02-06 | Hans-Jürgen 5860 Iserlohn Koss | Method and apparatus for cleaning drawing dies |
| CN112451936A (en) * | 2020-11-03 | 2021-03-09 | 仝好文 | Be used for high-efficient belt cleaning device of volleyball surface leather |
-
1979
- 1979-12-17 CH CH1113679A patent/CH641981A5/en not_active IP Right Cessation
-
1980
- 1980-02-07 FR FR8002722A patent/FR2449489A1/en active Granted
- 1980-02-12 IT IT47870/80A patent/IT1144035B/en active
- 1980-02-22 GB GB8006108A patent/GB2042954B/en not_active Expired
- 1980-02-22 LU LU82191A patent/LU82191A1/en unknown
- 1980-02-25 BE BE0/199524A patent/BE881890A/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361657A (en) * | 2013-07-11 | 2013-10-23 | 杭州华光焊接新材料股份有限公司 | Annular brazing filler metal cleaning method and cleaning device |
| CN103361657B (en) * | 2013-07-11 | 2016-03-02 | 杭州华光焊接新材料股份有限公司 | A kind of ring-type solder purging method and washing unit |
| CN104289474A (en) * | 2014-08-20 | 2015-01-21 | 山西云鹏制药有限公司 | Tablet press dust collecting device |
| US20180029090A1 (en) * | 2016-07-29 | 2018-02-01 | Niccolai Trafile S.R.L. | Method for cleaning die plates for the production of pasta or snacks and machine for its execution |
| CN106216413A (en) * | 2016-08-11 | 2016-12-14 | 贵州钢绳股份有限公司 | A kind of drum-type wire drawing die cleaning machine |
| CN114850235A (en) * | 2022-06-09 | 2022-08-05 | 山西森鼎立设备制造有限公司 | Direct-drive type metal fine wire drawing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| BE881890A (en) | 1980-05-16 |
| LU82191A1 (en) | 1980-06-06 |
| FR2449489B3 (en) | 1981-12-04 |
| CH641981A5 (en) | 1984-03-30 |
| IT1144035B (en) | 1986-10-29 |
| IT8047870A0 (en) | 1980-02-12 |
| FR2449489A1 (en) | 1980-09-19 |
| GB2042954B (en) | 1982-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |