CN202674208U - Lifting lead screw nut safe device of vanishing mould forming machine - Google Patents
Lifting lead screw nut safe device of vanishing mould forming machine Download PDFInfo
- Publication number
- CN202674208U CN202674208U CN 201220317010 CN201220317010U CN202674208U CN 202674208 U CN202674208 U CN 202674208U CN 201220317010 CN201220317010 CN 201220317010 CN 201220317010 U CN201220317010 U CN 201220317010U CN 202674208 U CN202674208 U CN 202674208U
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- CN
- China
- Prior art keywords
- nut
- lead screw
- safe
- synchronous
- screw nut
- 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 - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a lifting lead screw nut safe device of a vanishing mould forming machine, and the device comprises a lead screw (1), synchronous screw rods (2), a safe nut (3), a back nut (4) and a lead screw nut (5); the lead screw nut (5) is arranged on the lead screw (1); the safe nut (3) is arranged above the lead screw nut (5); four synchronous screw rods (2) are arranged on the safe nut (3); and the safe nut (3) is connected with the lead screw nut (5) through the synchronous screw rods (2). A distance between the safe nut (3) and the lead screw nut (5) is 20mm to 30mm. The back nut (4) is arranged on the lower ends of the synchronous screw rods (2), on the safe nut (3). According to the lifting lead screw nut safe device of the vanishing mould forming machine, when the safe nut is not working and is in a natural gap state, a gap between the lead screw and the nut can be detected by a hand so as to detect that whether a spiral pair is in good conditions or not; once the lead screw nut is worn, the safe nut immediately plays its role so as to prevent accidents; and the structure is simple, and a preventive effect is reliable.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, is specifically related to a kind of lost foam forming machine elevating screw nut safety installations.
Background technique
Forming machine is the key equipment that evaporative pattern is produced, this equipment rotates by the feed screw nut, making the screw mandrel lifting drive mobile work platform moves up and down, in lifting process, the feed screw nut is in stress always, and its state of wear is difficult for detecting, and elevating screw nut wear out failure causes security incident when using for a long time.The lighter causes the damage of mould, and severe one causes human injury.Of home make forming machine does not mostly address this problem, and therefore, must solve the safety problem that lost foam forming machine feed screw nut wear out failure causes.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of lost foam forming machine elevating screw nut safety installations, can effectively solve the technical problem that causes because of feed screw nut's wear out failure.
The technical solution of the utility model: a kind of lost foam forming machine elevating screw nut safety installations; it comprises: screw mandrel 1; synchronous screw rod 2; jam nut 3; back tightening nut 4 and feed screw nut 5; be provided with feed screw nut 5 on the screw mandrel 1; feed screw nut 5 top is provided with jam nut 3; be provided with 4 synchronous screw rods 2 on the jam nut 3; and manufacture four synchronous holes feed screw nut 5, four synchronous screw rods 2 are installed in the synchronous hole on the jam nut 3, large 4～6 millimeters than key-bolt diameter of synchronous bore dias; so that jam nut 3 and feed screw nut's 5 synchronous rotaries; when feed screw nut's 5 inefficacies, when screw mandrel comes off, jam nut 3 stressed working; stop screw mandrel to come off, thereby play the safety protection effect.
Distance is wanted suitably between jam nut and feed screw nut, and too little being not easy to installed, and the power that impacts when too large is large, and the spacing general control is at 20 ~ 30mm.
Back tightening nut 4 is arranged on the lower end that is positioned at jam nut 3 on the synchronous screw rod 2, in order to carry on the back tight synchronously screw rod 2, in case screw rod 2 is loosening synchronously.
The utility model compared with prior art has following beneficial effect: 1, jam nut is in the nature gap state when the forming machine off working state, just can check the gap of screw mandrel and nut with hand, and judges whether screw pair is intact.In case working immediately, the wearing and tearing of the nut of 2 screw mandrels, jam nut prevent that silk from doing and worktable falls to causing the accident.3, this is simple in structure, and preventive effect is reliable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of lost foam forming machine elevating screw nut safety installations, it comprises: screw mandrel 1, synchronous screw rod 2, jam nut 3, back tightening nut 4 and feed screw nut 5 are provided with feed screw nut 5 on the screw mandrel 1, feed screw nut 5 top is provided with jam nut 3, be provided with 4 synchronous screw rods 2 on the jam nut 3, jam nut 3 is connected with feed screw nut 5 by synchronous screw rod 2.Distance between jam nut 3 and the feed screw nut 5 is 20 ~ 30mm.Back tightening nut 4 is arranged on the lower end that is positioned at jam nut 3 on the synchronous screw rod 2.
Concrete installation steps of the present utility model are as follows:
1, above feed screw nut 5, increases a jam nut 3;
2, at jam nut 3 four synchronous screw rods 2 are installed;
3, manufacture four synchronous holes feed screw nut 5, four synchronous screw rods 2 on the jam nut 3 are installed in the synchronous hole, large 4～6 millimeters than key-bolt diameter of synchronous bore dias;
4, the spacing between jam nut 3 and the feed screw nut 5 is wanted suitably, and the spacing general control is at 20 ~ 30mm.
When 5, installing, with the tight synchronously screw rod 2 of back tightening nut 4 back ofs the body, in case screw rod 2 is loosening synchronously.
Claims (3)
1. lost foam forming machine elevating screw nut safety installations, it comprises: screw mandrel (1), synchronous screw rod (2), jam nut (3), back tightening nut (4) and feed screw nut (5) are provided with feed screw nut (5) on the screw mandrel (1), it is characterized in that, feed screw nut's (5) top is provided with jam nut (3), is provided with 4 synchronous screw rods (2) on the jam nut (3), and jam nut (3) is connected with feed screw nut (5) by synchronous screw rod (2).
2. a kind of lost foam forming machine elevating screw nut safety installations according to claim 1, it is characterized in that: the distance between jam nut (3) and the feed screw nut (5) is 20 ~ 30mm.
3. a kind of lost foam forming machine elevating screw nut safety installations according to claim 1, it is characterized in that: back tightening nut (4) is arranged on the lower end that is positioned at jam nut (3) on the synchronous screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220317010 CN202674208U (en) | 2012-07-03 | 2012-07-03 | Lifting lead screw nut safe device of vanishing mould forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220317010 CN202674208U (en) | 2012-07-03 | 2012-07-03 | Lifting lead screw nut safe device of vanishing mould forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202674208U true CN202674208U (en) | 2013-01-16 |
Family
ID=47495114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220317010 Expired - Fee Related CN202674208U (en) | 2012-07-03 | 2012-07-03 | Lifting lead screw nut safe device of vanishing mould forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748440A (en) * | 2012-07-03 | 2012-10-24 | 山西模范机械制造有限公司 | Lifting screw rod and nut security device of lost foam forming machine |
-
2012
- 2012-07-03 CN CN 201220317010 patent/CN202674208U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748440A (en) * | 2012-07-03 | 2012-10-24 | 山西模范机械制造有限公司 | Lifting screw rod and nut security device of lost foam forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140703 |
|
| EXPY | Termination of patent right or utility model |