CN201124556Y - Screw rod connecting device of injection molding machine - Google Patents
Screw rod connecting device of injection molding machine Download PDFInfo
- Publication number
- CN201124556Y CN201124556Y CNU2007201144797U CN200720114479U CN201124556Y CN 201124556 Y CN201124556 Y CN 201124556Y CN U2007201144797 U CNU2007201144797 U CN U2007201144797U CN 200720114479 U CN200720114479 U CN 200720114479U CN 201124556 Y CN201124556 Y CN 201124556Y
- Authority
- CN
- China
- Prior art keywords
- screw rod
- screw
- connects
- cover
- injection molding
- 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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Abstract
The utility model discloses an injection molding machine screw nipple device which comprises a screw tail part (1) and a coupling (5). A screw nipple (4) is arranged between the screw tail part (1) and the coupling (5), the screw tail part (1) is removably connected with the screw nipple (4), the screw nipple (4) is removably connected with the coupling (5). By adopting the structure, the injection molding machine screw nipple device can even save more material and at the same time, increase greater torsion strength of the screw and greater strength of the coupling and replace the screw more conveniently.
Description
Technical field
The utility model relates to a kind of jockey, specifically is that a kind of screw rod that is used on various types of injection machines connects covering device.
Background technology
At present, employed injection machine on the market, for adapting to the plastic product of several different injection rates of processing, screw rod, the barrel of several different size diameters have all been disposed, to adapt to the requirement of different plastic production spare injection volumes and injection pressure, therefore when plastic product injection moulding, need change the screw rod of different-diameter.Beaten a hole and screw rod tail on the shaft coupling of traditional injection moulding machine and matched, if the hole of shaft coupling is designed by the thickest screw rod, so thin screw rod all need have thick afterbody, so very a waste material.If this hole is by the master screw design, the screw rod tail of other different size diameter all must be same diameter so, and this size may be bigger or little than the diameter of screw rod itself.Like this, it is less to cause thick screw rod will produce the coupling part diameter, has reduced the torsional strength of screw rod, can cause the step place of screw rod tail to be easy to generate stress like this concentrates, be that screw rod here twists off easily, and it is concentrated to make shaft coupling stress occur, thereby produces distortion.In order to address this problem, the injection machine of existing all kinds specification is for strengthening the intensity of shaft coupling, and all diameter and the wall thickness aspect from shaft coupling solves, and this will make overall structure become huge and waste material.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of screw in injection molding machine that can save material, the torsional strength that can improve screw rod and shaft coupling intensity to connect covering device.
For solving the problems of the technologies described above, the utility model screw in injection molding machine connects covering device and comprises screw rod tail, shaft coupling, be provided with screw rod between described screw rod tail and the shaft coupling and connect cover, described screw rod tail connects removable connection of cover with screw rod, and described screw rod connects cover and is connected with shaft coupling is removable.
Adopt the screw in injection molding machine of above structure to connect covering device and since screw rod tail with established a screw rod between shaft coupling is connected and connect cover, can change the screw rod that matches according to the different size screw rod tail and connect cover, so just more can save material; The step that has also reduced simultaneously screw rod tail produces stress and concentrates, and more can improve the torsional strength of screw rod and the intensity of shaft coupling.
Described screw rod tail and screw rod connect removable connection of cover, are meant that screw rod tail and screw rod connect cover and be connected by flat key, and connect cover at screw rod be connected with semi-ring with screw on the head end of screw rod, and described semi-ring is a pair of.Adopt this structure, both simple, firm again, promptly semi-ring can prevent that screw rod tail from connecing the cover from screw rod and drops out.
Described screw rod connects cover and is meant that with removable connection of shaft coupling screw connects.Adopt common screw to connect, make structure simpler.
Description of drawings
Accompanying drawing is the structure cross-sectional schematic that the utility model screw in injection molding machine connects covering device.
Wherein, 1, screw rod tail; 2, semi-ring; 3, flat key; 4, screw rod connects cover; 5, shaft coupling.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The structure cross-sectional schematic that connects covering device by the utility model screw in injection molding machine shown in the drawings as can be known, the utility model screw in injection molding machine connects covering device, comprises screw rod tail 1, shaft coupling 5.Be provided with screw rod between described screw rod tail 1 and the shaft coupling 5 and connect cover 4, described screw rod tail 1 connects 4 removable connections of cover with screw rod, and described screw rod connects cover 4 and 5 removable connections of shaft coupling.Described screw rod tail 1 connects 4 removable connections of cover with screw rod, be meant that screw rod tail 1 and screw rod connect cover 4 and be connected by flat key 3, and connect cover 4 end face screwings at screw rod and be connected with semi-ring 2 towards screw rod, described semi-ring 2 is a pair of, and promptly screw passes through hole on the semi-ring 2 and is tightened on screw rod and connects in the screwed hole on cover 4 end faces.Described screw rod connects cover 4 and is meant that with removable connections of shaft coupling 5 screw connects, and promptly screw passes screw rod and connects the through hole that overlaps on 4 and be tightened in the screwed hole on shaft coupling 5 end faces.
The effect of described flat key 3 is to be used for that screw rod is positioned at screw rod to connect on the cover 4, prevents that screw rod from rotating.
The effect of described semi-ring 2 is the axial floats that prevent flat key 3, and it is more stable to make screw rod and screw rod connect being connected of cover.
Claims (3)
1, a kind of screw in injection molding machine connects covering device, comprise screw rod tail (1), shaft coupling (5), it is characterized in that: be provided with screw rod between described screw rod tail (1) and the shaft coupling (5) and connect cover (4), described screw rod tail (1) connects removable connection of cover (4) with screw rod, and described screw rod connects cover (4) and removable connection of shaft coupling (5).
2, screw in injection molding machine according to claim 1 connects covering device, it is characterized in that: described screw rod tail (1) connects removable connection of cover (4) with screw rod, be meant that screw rod tail (1) and screw rod connect cover (4) and be connected by flat key (3), and connect cover (4) at screw rod and be connected with semi-ring (2) with screw on the head end of screw rod, described semi-ring (2) is a pair of.
3, screw in injection molding machine according to claim 1 connects covering device, it is characterized in that: described screw rod connects cover (4) and is meant that with removable connection of shaft coupling (5) screw connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201144797U CN201124556Y (en) | 2007-09-27 | 2007-09-27 | Screw rod connecting device of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201144797U CN201124556Y (en) | 2007-09-27 | 2007-09-27 | Screw rod connecting device of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124556Y true CN201124556Y (en) | 2008-10-01 |
Family
ID=39997972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201144797U Expired - Fee Related CN201124556Y (en) | 2007-09-27 | 2007-09-27 | Screw rod connecting device of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124556Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588426A (en) * | 2012-03-20 | 2012-07-18 | 中冶南方工程技术有限公司 | Cold-rolling flying shear synchronous connection shaft device and manufacture method |
| CN103442873A (en) * | 2010-09-22 | 2013-12-11 | 内兹塔尔机械公司 | Universal auxiliary controller for an injection molding machine |
-
2007
- 2007-09-27 CN CNU2007201144797U patent/CN201124556Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442873A (en) * | 2010-09-22 | 2013-12-11 | 内兹塔尔机械公司 | Universal auxiliary controller for an injection molding machine |
| CN102588426A (en) * | 2012-03-20 | 2012-07-18 | 中冶南方工程技术有限公司 | Cold-rolling flying shear synchronous connection shaft device and manufacture method |
| CN102588426B (en) * | 2012-03-20 | 2014-04-09 | 中冶南方工程技术有限公司 | Cold-rolling flying shear synchronous connection shaft device and manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20100927 |