CN201693043U - Two-way helical blade stretching device - Google Patents

Two-way helical blade stretching device Download PDF

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Publication number
CN201693043U
CN201693043U CN201020228070XU CN201020228070U CN201693043U CN 201693043 U CN201693043 U CN 201693043U CN 201020228070X U CN201020228070X U CN 201020228070XU CN 201020228070 U CN201020228070 U CN 201020228070U CN 201693043 U CN201693043 U CN 201693043U
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China
Prior art keywords
support plate
screw rod
screw
mandrel
nut
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Expired - Fee Related
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CN201020228070XU
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Chinese (zh)
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李正峰
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Individual
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Individual
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Priority to CN201020228070XU priority Critical patent/CN201693043U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a two-way helical blade stretching device, which comprises a frame, screws, a stem driving device for driving the screw to rotate and a mandrel. The screws and the mandrel are all arranged on a support plate, and the screws are parallel to the mandrel; and the output end of the screw driving device is connected with the screws. The screw driving device is matched with nuts by arranging two sections of threads with opposite helical directions on the screws on the two sides of the support plate to form a driving mechanism with screw rotation and nut movement, so as to produce two helical blades in one rotation operation of the screws. The two-way helical blade stretching device overcomes the low efficiency shortcoming of the one-way helical blade stretching device in the prior art, and effectively improves the production efficiency of helical blades.

Description

A kind of bidirectional screw blade stretching device
Technical field
The utility model relates to a kind of conveying worm blade manufacturing installation, is specifically related to a kind of bidirectional screw blade stretching device.
Background technology
Conveying worm is the capital equipment of industry conveying powder materials such as cement, grain, chemical industry, uses widely, and the duration of runs is long, and its helical blade is easy to wear.Specialized manufacturer makes helical blade and mainly adopts special-purpose shaping mold and forcing press compression molding, and forming quality is stable, the production efficiency height, but investment is big.And the user changes the helical blade of wearing and tearing as buying from manufacturing firm, and often expense is higher.The utility model patent that on February 13rd, 2010, applicant Li Zhengfeng declared " a kind of bidirectional screw blade stretching device " (Chinese patent application number be 2010201334115), it comprises frame, screw rod, nut, mandrel, frame is L-shaped, side plate is perpendicular to base plate, vertically be provided with mandrel and screw rod that axis is parallel to each other on the side plate, mandrel one end that is positioned at the top is fixed on the side plate, screw rod below being positioned at passes the round open-work on the side plate, left end is fixed with handwheel, right-hand member is provided with the screw thread greater than the helical blade pitch length, with the nut formation screw pair that matches.During work, blade blank is inserted in mandrel, a fabrication hole is fixed on the side plate, and another fabrication hole is fixed on the nut, and when screw rod rotated, nut moved right, thereby blade blank is drawn shaping.These facility have the characteristics that manufacturing is simple, volume is little, cost is low and do not need the energy, are particularly suitable for user's small lot batch manufacture helical blade when the maintenance conveying worm.But can only finish the processing of a slice blade blank, operating efficiency is lower at every turn.
The utility model content
The utility model is at the deficiencies in the prior art, a kind of bidirectional screw blade stretching device is provided, it is by being provided with two sections screw threads that rotation direction is opposite on screw rod, the nut that matches with it can oppositely move, make screw rod with in rotary manipulation process, can produce two helical blades, overcome the lower deficiency of existing one-way spiral blade stretching device effect, improve the production efficiency of helical blade effectively.
For realizing above technical purpose, the utility model will be taked following technical scheme:
A kind of bidirectional screw blade stretching device, comprise frame, screw rod, the spiro driving device and the mandrel that are used for the drive screw rotation, the output of described spiro driving device is connected with screw rod, described frame comprises bearing and the support plate of fixedlying connected with bearing, described screw rod and mandrel are installed on the support plate respectively, and screw rod and mandrel be arranged in parallel, the thread rotary orientation of being offered on the screw rod body of rod of support plate both sides is opposite in addition, and on the screw rod body of rod of support plate both sides all respectively threaded engagement be connected with nut, the screw rod body of rod reach of support plate both sides is all greater than the pitch length of waiting to draw helical blade simultaneously, described nut is provided with the blade stretching installation portion, the vanes fixed installation portion then is set on the support plate relative with nut, and nut and bearing sliding-contact.
Further, described bearing is the base plate of a horizontal positioned, and described support plate vertically is installed on the base plate, and mandrel is positioned at the top of screw rod.
Further, described spiro driving device is a handwheel.
Further, described support plate both sides are provided with the baffle plate that prevents the screw axial play, and described baffle plate is fixedly mounted on the base.
According to above technical scheme, can realize following beneficial effect:
The utility model is vertically installed support plate on bearing, and the thread rotary orientation of being offered on the screw rod body of rod of support plate both sides is opposite, threaded engagement is connected with nut all respectively, and the blade stretching installation portion is set on described nut, the vanes fixed installation portion then is set on the support plate relative with nut, promptly adopted helical blade biaxial tension mode, can pack into simultaneously two and wait to draw the helical blade blank, the relative displacement of the two screw rods-nut screw pair by the support plate both sides draws shaping respectively, and hence one can see that, the utility model remove has make simple, volume is little, cost is low, and applicability is strong, does not need outside the characteristics of the energy, compare with existing one-way spiral blade stretching device, work efficiency doubles, and by changing the mandrel of different-diameter size, also can realize making the purpose of different size helical blade in addition.
Description of drawings
Fig. 1 is the front view of a preferred embodiment of the utility model bidirectional screw blade stretching device;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 waits to draw helical blade blank schematic diagram;
Wherein, 1. handwheel, 2. vanes fixed installation portion, 3. blade stretching installation portion, 4. frame, 41. base plates, 42. support plate, 5. helical blade, 6. mandrel, 7. effective blade stretching thread segment, 8. screw rod, 9. nut, 10. block, 11. wait to draw the helical blade blank, 13. drawing process holes, 12. technique for fixing holes.
The specific embodiment
Accompanying drawing discloses the structural representation of the related preferred embodiment of the utility model without limitation, explains the technical solution of the utility model below with reference to accompanying drawing.
As shown in Figure 3, be drilled with technique for fixing hole 12 and drawing process hole 13 on the helical blade blank 11 waiting to draw.
As depicted in figs. 1 and 2, bidirectional screw blade stretching device described in the utility model, comprise frame 4, screw rod 8, screw rod 8 drive units and the mandrel 6 that are used for drive screw 8 rotations, the output of described screw rod 8 drive units is connected with screw rod 8, the support plate 42 that described frame 4 comprises bearing and fixedlys connected with bearing, described screw rod 8 and mandrel 6 are installed in respectively on the support plate 42, and screw rod 8 and mandrel 6 be arranged in parallel, the thread rotary orientation of being offered on screw rod 8 bodies of rod of support plate 42 both sides is opposite in addition, and on screw rod 8 bodies of rod of support plate 42 both sides all respectively threaded engagement be connected with nut 9, screw rod 8 body of rod reaches of support plate 42 both sides are all greater than the pitch length of waiting to draw helical blade simultaneously, described nut 9 is provided with blade stretching installation portion 3, on the support plate 42 relative vanes fixed installation portion 2 is set then with nut 9, described blade stretching installation portion 3 and vanes fixed installation portion 2 all are made up of Screw and the primary nut that cooperates with this Screw, described Screw is installed on nut 9 or the support plate 42, and nut 9 and bearing sliding-contact.Therefore, the utility model is by being provided with two sections screw threads that rotation direction is opposite on the screw rod 8 of support plate 42 both sides, opposite with two thread rotary orientations respectively nut 9 is threaded, forming screw rod 8 rotates, the transmission mechanism that nut 9 moves makes in the screw rod 8 same rotary manipulation processes, can draw and produce two helical blades 5, overcome the lower deficiency of existing helical blade stretching device effect, improved the production efficiency of helical blade effectively.
Bearing shown in the drawings is the base plate 41 of a horizontal positioned, and described support plate 42 vertically is installed on the base plate 41, and mandrel 6 is positioned at the top of screw rod 8.Hence one can see that, and the utility model is a horizontal type structure, and then nut 9 contacts with planar slide on the bearing.Certainly, the utility model can also be vertical structure.
Further, described screw rod 8 drive units are handwheel 1.Then the utility model is a manual drives, need not the energy, comparatively environmental protection.
Further, described support plate 42 both sides are provided with the baffle plate that prevents screw rod 8 axial floats, and described baffle plate is fixedly mounted on the base.
During installation, base plate 41 horizontal positioned, support plate 42 vertically is fixedly mounted on the middle part of base plate 41, can connect with welding between support plate 42 and the base plate 41, also can be integrally formed by casting, on support plate 42, be provided with the two circle open-works that are parallel to each other along the vertical axis of arranging then, the middle spindle nose of mandrel 6 cooperates with the round open-work that is positioned at the top, to be fixed on the support plate 42, spindle nose and the round open-work matched in clearance that is positioned at the below in the middle of the screw rod 8, process the different effective blade stretching thread segment 7 of rotation direction on the screw rod 8 of support plate 42 both sides, the reach of this effective blade stretching thread segment 7 is greater than the helical blade pitch length, simultaneously described effective blade stretching thread segment 7 and nut 9 on it the formation screw pair that matches.In addition, process a side plane on nut 9, contact with planar slide on the base plate 41, when then screw rod 8 rotates, but nut 9 straight lines move.For easy to operate, an end spindle nose of screw rod 8 also is fixed with handwheel 1.Moving for preventing screw rod about 8 strings, support plate 42 both sides are fixed with block 10.
When drawing helical blade, wait to draw helical blade blank 11 with two and be inserted in mandrel 6 respectively from two, this technique for fixing hole 12 of waiting to draw helical blade is installed on the vanes fixed installation portion 2 on frame 4 support plates 42, be about to the circle open-work centering on technique for fixing hole 12 and the support plate 42, connect with the location with Screw, primary nut, the drawing process hole 13 of waiting to draw helical blade then is installed on the blade stretching installation portion 3 on the nut 9, be about to the round open-work centering on drawing process hole 13 and the nut 9, connect with the location with Screw, primary nut equally then.Hand handwheel 1 drives screw rod 8 and rotates, and it is outwards mobile that then nut 9 deviates from support plate 42, is drawn into rotation direction and the satisfactory helical blade of pitch thereby will wait to draw helical blade blank 11.
In addition, as long as change the mandrel 6 of different-diameter size, just can be used to make the different helical blade of endoporus.

Claims (4)

1. bidirectional screw blade stretching device, comprise frame, screw rod, the spiro driving device and the mandrel that are used for the drive screw rotation, the output of described spiro driving device is connected with screw rod, it is characterized in that, described frame comprises bearing and the support plate of fixedlying connected with bearing, described screw rod and mandrel are installed on the support plate respectively, and screw rod and mandrel be arranged in parallel, the thread rotary orientation of being offered on the screw rod body of rod of support plate both sides is opposite in addition, and the screw rod body of rod of support plate both sides threaded engagement all respectively is connected with nut, the screw rod body of rod reach of support plate both sides is all greater than the pitch length of waiting to draw helical blade simultaneously, described nut is provided with the blade stretching installation portion, the vanes fixed installation portion then is set on the support plate relative with nut, and nut and bearing sliding-contact.
2. bidirectional screw blade stretching device according to claim 1 is characterized in that described bearing is the base plate of a horizontal positioned, and described support plate vertically is installed on the base plate, and mandrel is positioned at the top of screw rod.
3. bidirectional screw blade stretching device according to claim 1 is characterized in that described spiro driving device is a handwheel.
4. bidirectional screw blade stretching device according to claim 1 is characterized in that described support plate both sides are provided with the baffle plate that prevents the screw axial play, and described baffle plate is fixedly mounted on the base.
CN201020228070XU 2010-06-17 2010-06-17 Two-way helical blade stretching device Expired - Fee Related CN201693043U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020228070XU CN201693043U (en) 2010-06-17 2010-06-17 Two-way helical blade stretching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020228070XU CN201693043U (en) 2010-06-17 2010-06-17 Two-way helical blade stretching device

Publications (1)

Publication Number Publication Date
CN201693043U true CN201693043U (en) 2011-01-05

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CN (1) CN201693043U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102658341A (en) * 2012-04-28 2012-09-12 江苏贝德莱特太阳能科技有限公司 Spiral coil pipe pull-open tool
CN103764526A (en) * 2011-07-05 2014-04-30 先进螺旋技术有限公司 Apparatus and method for forming a screw flight
WO2016120582A1 (en) * 2015-01-29 2016-08-04 Duncan Mcgregor Apparatus and method for forming a helical flight segment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103764526A (en) * 2011-07-05 2014-04-30 先进螺旋技术有限公司 Apparatus and method for forming a screw flight
CN103764526B (en) * 2011-07-05 2016-10-19 先进螺旋技术有限公司 The equipment shaped for helical blade and method
CN102658341A (en) * 2012-04-28 2012-09-12 江苏贝德莱特太阳能科技有限公司 Spiral coil pipe pull-open tool
WO2016120582A1 (en) * 2015-01-29 2016-08-04 Duncan Mcgregor Apparatus and method for forming a helical flight segment

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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: 20110105

Termination date: 20110617