CN205238485U - Exchange formula carbide screw rod - Google Patents

Exchange formula carbide screw rod Download PDF

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Publication number
CN205238485U
CN205238485U CN201521066782.5U CN201521066782U CN205238485U CN 205238485 U CN205238485 U CN 205238485U CN 201521066782 U CN201521066782 U CN 201521066782U CN 205238485 U CN205238485 U CN 205238485U
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CN
China
Prior art keywords
screw rod
screw
cover
threaded rod
glue head
Prior art date
Application number
CN201521066782.5U
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Chinese (zh)
Inventor
刘丹
Original Assignee
刘丹
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 刘丹 filed Critical 刘丹
Priority to CN201521066782.5U priority Critical patent/CN205238485U/en
Application granted granted Critical
Publication of CN205238485U publication Critical patent/CN205238485U/en

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Abstract

The utility model provides an exchange formula carbide screw rod, the screw rod is the toper and becomes the screw rod of helical pitch for the core diameter of thread, and whole screw rod takes the multistage to assemble the structure, will divide and glue head and separately preparation of screw rod, and the repackaging becomes integrative, whole screw rod includes has the dabber in the interpolation of multistage combination screw rod cover by multistage combination screw rod cover, and dabber one end is equipped with the locking bolt, and the other end is equipped with and keeps off the shoulder, middle screw shaft for matching with multistage combination screw rod cover hole, still be equipped with the spline of being connected with the injection molding machine in fender shoulder one end, the cover has the branch to glue the head on the locking bolt, makes up the screw rod cover through minute gluey head with the multistage and fixes at the spindle, when a certain section screw rod of injection molding machine takes place to wear and tear, only needs to divide gluey head to loosen, and can carry out the screw rod cover and change, if divide gluey head wearing and tearing, directly will divide gluey head to lift the change off can. Improved to divide and glued the intensity first and screw rod, increased and divided the high temperature resistant nature of gluing head and screw rod, and the convenient to detach maintenance.

Description

A kind of interchangeable carbide alloy screw rod
Technical field
The utility model relates to a kind of modular construction of injection machine, is specifically related to a kind of interchangeable carbide alloy screw rod of injection machine, belongs to injection machine equipment technical field.
Background technology:
Screw rod can be described as the heart of injection machine, and the quality quality of screw rod determines the quality of goods. What existing screw rod mainly adopted is integrated screw rod, and mainly adopts steel alloy to make, surface spraying diamondite, the techniques such as chromium plating; But due to screw in injection molding machine in the course of the work, because screw in injection molding machine moves for a long time under HTHP, coating easily comes off, and can damage, thereby the replacing that often needs repairing. And the extruder screw of integral type when damage, because part is just damaged, must change whole screw rod causes waste, causes the problems such as production efficiency is low, thereby has greatly increased production and operation cost, therefore necessary this is improved.
Do not find that there is the patent literature constructed with the utility model by patent retrieval, to have the patent of certain relation to mainly contain following with the utility model:
1, application number is CN201410567145, name is called the utility model patent of " a kind of powder injection molding forming method of screw rod and screw rod product ", this patent discloses a kind of powder injection molding forming method and screw rod product of screw rod, comprises that (1) is 100 by powdery metal material and binding agent in mass ratio: 20-200 is mixed into the feeding of homogeneous; (2) feeding is inserted to injection machine and carry out injection mo(u)lding, obtain injection moulding base; (3) carry out dewaxing technique processing; (4) be 200 DEG C-800 DEG C in temperature and carry out pre-burning, obtain presintered compact; (5) under protective atmosphere, be warming up to 1000-2500 DEG C presintered compact is carried out to sintering 1-10h, obtain screw rod product.
2, application number is CN201120101096, name is called the patent of invention of " Special screw for extruder ", this patent discloses a kind of hollow wall material production equipment special for building, particularly Special screw for extruder, this bolt special bag screw rod and be fixed on the helix being formed by carbide alloy on screw rod, the link that it is characterized in that above-mentioned screw rod is taper shank, on the other end of screw rod, is fixed with carbide ring.
3, application number is CN00215993, name is called the patent of invention of " screw rod for plate extruder ", this patent discloses a kind of screw rod for plate extruder with following structure and has realized, this screw rod comprises the spiral shell rib of the body of rod and body of rod outer peripheral face, spiral shell rib originates in the head end of the body of rod, end in the tail end of the body of rod, the body of rod has the layer that covering of one deck high-abrasive material on the outer peripheral face in screw rod head end region, also has the layer that covering of one deck high-abrasive material on the working face of whole spiral shell rib. The described body of rod is the face of cylinder in the outer peripheral face in screw rod head end region, and the outer peripheral face in screw rod end edge region is frustum face.
So although above-mentioned these patents all relate to the architecture advances of screw rod, but all the not mentioned screw in injection molding machine that how to improve moves for a long time under HTHP, and coating easily comes off, can there is the situation of damage, therefore foregoing problem still exists, and still needs further to be improved.
Utility model content
Be under HTHP, to move for a long time for current screw in injection molding machine, coating easily comes off, and the deficiency of damage can occur, propose a kind of Novel injection moulding machine screw rod, this screw in injection molding machine there will not be coating shedding, longer service life, and it is convenient to change, and is convenient to detachable maintaining.
In order to reach this purpose, the utility model provides a kind of interchangeable carbide alloy screw rod, and screw rod is that the core diameter of thread is tapered and become the screw rod of helical pitch, and whole screw rod is taked multistage splicing structure, will divide glue head and screw rod to separate making, refills and is made into one; Whole screw rod comprises multistage combined threaded rod cover, in multistage combined threaded rod cover, is inserted with mandrel, and mandrel one end is provided with clamping screw, and the other end is provided with shoulder block, middle for overlapping with multistage combined threaded rod the screw shaft that endoporus matches; Also be provided with one of shoulder block the spline being connected with injection machine; On clamping screw, cover has a point glue head, by a point glue head, multistage combined threaded rod cover is fixed on mandrel, in the time that wearing and tearing occur a certain section of screw rod of injection machine, only need to divide glue head to unclamp, can carry out screw sleeve replacing, if point glue head wearing and tearing directly will divide glue head to unload replacing.
Further, described screw shaft is splined shaft, on screw shaft mid portion, establish flat key groove, in flat key groove, flat key is installed, in multistage combined threaded rod cover endoporus, also have the flat key groove of connectivity, the flat key groove of multistage combined threaded rod cover is enclosed within the flat key on screw shaft, there will not be idle running to ensure that multistage combined threaded rod is enclosed within on screw shaft, ensures that the screw rod helical pitch formula between multistage combined threaded rod cover is continuous simultaneously.
Further, described multistage combined threaded rod cover is tapered and become helical pitch decile and carry out segmentation according to the overall core diameter of thread, between every two stage screw cover, be to get up according to the order continuous arrangement that becomes helical pitch, guaranteed that the core diameter of thread is tapered and become the continuity of helical pitch screw rod.
Further, described multistage combined threaded rod cover is according to little by the helical pitch of point glue head, large by helical pitch of mandrel shoulder block, and ascending order is arranged.
Further, described multistage combined threaded rod cover is three sections, wherein first paragraph is minimum uniform pitch helical pitch section, second segment is varying pitch helical pitch section, the 3rd section is maximum uniform pitch section, and the maximum pitch of the minimum pitch of second segment varying pitch and first paragraph is joined, the pitch of the maximum pitch of second segment varying pitch and the 3rd section is joined.
Further, described multistage combined threaded rod cover adopts YG8 material, hardness 89HRA, and bending strength is 1800N/MM2Carbide alloy is made.
Further, described point glue head is the taper type piece that carbide alloy is made, and has in the bottom of point glue head taper type piece the screwed hole matching with screw shaft clamping screw; Divide glue head after multistage combined threaded rod cover is sleeved on screw shaft, then a point glue head is spun on the clamping screw of screw shaft to fastening multistage combined threaded rod cover.
The utility model has the advantage of:
The utility model is by utilizing Hardmetal materials, whole screw rod is taked to multistage splicing structure, and will divide glue head and screw rod also to separate making, and then be assembled into one, so both improved the intensity of point glue head and screw rod, increase the high temperature abrasion resistance of point glue head and screw rod, can greatly improve the service life of whole screw rod, especially take multistage combined threaded rod cover, and multistage combined threaded rod cover and the combining structure of dividing glue head, can be at a certain section of screw sleeve, or point glue head is while occurring damaging, only need to divide glue head to unload, can change, be convenient to detachable maintaining.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of an embodiment of the utility model;
Fig. 2 is the screw-rod structure schematic diagram of an embodiment of the utility model;
Fig. 3 is the structural representation of point glue head of an embodiment of the utility model;
Fig. 4 is the structural representation of the multistage combined threaded rod cover of an embodiment of the utility model;
Fig. 5 is the lateral plan of Fig. 4.
Detailed description of the invention
Further set forth the utility model below in conjunction with the drawings and specific embodiments.
Embodiment mono-
Can find out by accompanying drawing 1-4, the utility model relates to a kind of interchangeable carbide alloy screw rod, and screw rod is that the core diameter of thread is tapered and become the screw rod of helical pitch, and whole screw rod is taked multistage splicing structure, will divide glue head and screw rod to separate making, refills and is made into one; Whole screw rod comprises 3-4 section combined threaded rod cover 2, in 3-4 section combined threaded rod cover 2, is inserted with mandrel 3, and mandrel 3 one end are provided with clamping screw 9, and the other end is provided with shoulder block 4, middle for overlapping with 3-4 section combined threaded rod the screw shaft 10 that endoporus matches; Also be provided with the spline 5 being connected with injection machine 4 one of shoulder blocks; On clamping screw 10, cover has a point glue head 1, by point glue head 1,3-4 section combined threaded rod cover 2 is fixed on mandrel 3, in the time that wearing and tearing occur a certain section of screw rod of injection machine, only need to divide glue head to unclamp, can carry out screw sleeve 2 and change, if point glue head wearing and tearing directly will divide glue head to unload replacing.
Described screw shaft 10 is splined shaft, on screw shaft 3 mid portions, establish flat key groove 11, in flat key groove 11, flat key is installed, in 3-4 section combined threaded rod cover endoporus 14, also have the flat key groove 15 of connectivity, the flat key groove of 3-4 section combined threaded rod cover 2 is enclosed within the flat key on screw shaft 10, to ensure that 3-4 section combined threaded rod cover 2 there will not be idle running on screw shaft, ensures that the screw rod helical pitch formula between 3-4 section combined threaded rod cover is continuous simultaneously.
Described 3-4 section combined threaded rod cover 2 is tapered and become helical pitch decile and carry out segmentation according to the overall core diameter of thread, between every two stage screw cover, be to get up according to the order continuous arrangement that becomes helical pitch, guaranteed that footpath, 16 end of screw thread is tapered and become the continuity of helical pitch screw rod.
Described 3-4 section combined threaded rod cover 2 is according to little by the helical pitch of point glue head, and large by helical pitch of mandrel shoulder block, ascending order is arranged.
Described 3-4 section combined threaded rod cover adopts YG8 material, hardness 89HRA, and bending strength is 1800N/MM2Carbide alloy is made.
The described point of taper type piece that glue head 1 is made for carbide alloy, has a taper type piece 12 at the head of point glue head 1, and the bottom of taper type piece has one and the screwed hole 13 that matches of screw shaft clamping screw; Divide glue head 1 after multistage combined threaded rod cover 2 is sleeved on screw shaft 10, then a point glue head 1 is spun on the clamping screw 9 of screw shaft, fastening multistage combined threaded rod cover 2.
Described point glue head 1 is made for carbide alloy, adopts YG8 material, hardness 89HRA, and bending strength is 1800N/MM2
Embodiment bis-
The basic structure of embodiment bis-and embodiment mono-are basically identical, just the multistage combined threaded rod cover of embodiment bis-is three sections, wherein first paragraph 6 is minimum uniform pitch helical pitch section, second segment 7 is varying pitch helical pitch section, the 3rd section 8 is maximum uniform pitch section, and the minimum pitch of second segment 8 varying pitch and the maximum pitch of first paragraph 6 are joined, the pitch of the maximum pitch of second segment 7 varying pitch and the 3rd section 8 is joined.
Above-mentioned listed embodiment, just carries out clear, complete description to the technical solution of the utility model by reference to the accompanying drawings; Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model has the advantage of:
The utility model is by utilizing Hardmetal materials, whole screw rod is taked to multistage splicing structure, and will divide glue head and screw rod also to separate making, and then be assembled into one, so both improved the intensity of point glue head and screw rod, increase the high temperature abrasion resistance of point glue head and screw rod, can greatly improve the service life of whole screw rod, especially take multistage combined threaded rod cover, and multistage combined threaded rod cover and the combining structure of dividing glue head, can be at a certain section of screw sleeve, or point glue head is while occurring damaging, only need to divide glue head to unload, can change, be convenient to detachable maintaining.

Claims (8)

1. an interchangeable carbide alloy screw rod, screw rod is that the core diameter of thread is tapered and become the screw rod of helical pitch, it is characterized in that, whole screw rod is taked multistage splicing structure, will divide glue head and screw rod to separate making, refills and is made into one; Whole screw rod comprises multistage combined threaded rod cover, in multistage combined threaded rod cover, is inserted with mandrel, and mandrel one end is provided with clamping screw, and the other end is provided with shoulder block, middle for overlapping with multistage combined threaded rod the screw shaft that endoporus matches; Also be provided with one of shoulder block the spline being connected with injection machine; On clamping screw, cover has a point glue head, by a point glue head, multistage combined threaded rod cover is fixed on mandrel, in the time that wearing and tearing occur a certain section of screw rod of injection machine, only need to divide glue head to unclamp, can carry out screw sleeve replacing, if point glue head wearing and tearing directly will divide glue head to unload replacing.
2. interchangeable carbide alloy screw rod as claimed in claim 1, it is characterized in that, described screw shaft is splined shaft, on screw shaft mid portion, establish flat key groove, in flat key groove, flat key is installed, also has the flat key groove of connectivity in multistage combined threaded rod cover endoporus, the flat key groove of multistage combined threaded rod cover is enclosed within the flat key on screw shaft, there will not be idle running to ensure that multistage combined threaded rod is enclosed within on screw shaft, ensure that the screw rod helical pitch formula between multistage combined threaded rod cover is continuous simultaneously.
3. interchangeable carbide alloy screw rod as claimed in claim 2, it is characterized in that, described multistage combined threaded rod cover is tapered and become helical pitch decile and carry out segmentation according to the overall core diameter of thread, between every two stage screw cover, be to get up according to the order continuous arrangement that becomes helical pitch, guaranteed that the core diameter of thread is tapered and become the continuity of helical pitch screw rod.
4. interchangeable carbide alloy screw rod as claimed in claim 3, is characterized in that, described multistage combined threaded rod cover is according to little by the helical pitch of point glue head, large by helical pitch of mandrel shoulder block, and ascending order is arranged.
5. interchangeable carbide alloy screw rod as claimed in claim 4, it is characterized in that, described multistage combined threaded rod cover is three sections, wherein first paragraph is minimum uniform pitch helical pitch section, second segment is varying pitch helical pitch section, the 3rd section is maximum uniform pitch section, and the maximum pitch of the minimum pitch of second segment varying pitch and first paragraph joins, and the pitch of the maximum pitch of second segment varying pitch and the 3rd section is joined.
6. interchangeable carbide alloy screw rod as claimed in claim 1, is characterized in that, described multistage combined threaded rod cover adopts YG8 material, hardness 89HRA, and bending strength is 1800N/MM2Carbide alloy is made.
7. interchangeable carbide alloy screw rod as claimed in claim 1, is characterized in that, described point glue head is the taper type piece that carbide alloy is made, and has in the bottom of point glue head taper type piece the screwed hole matching with screw shaft clamping screw; Divide glue head after multistage combined threaded rod cover is sleeved on screw shaft, then a point glue head is spun on the clamping screw of screw shaft to fastening multistage combined threaded rod cover.
8. interchangeable carbide alloy screw rod as claimed in claim 7, is characterized in that, a described point glue head is that carbide alloy is made, and adopts YG8 material, hardness 89HRA, and bending strength is 1800N/MM2
CN201521066782.5U 2015-12-21 2015-12-21 Exchange formula carbide screw rod CN205238485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521066782.5U CN205238485U (en) 2015-12-21 2015-12-21 Exchange formula carbide screw rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521066782.5U CN205238485U (en) 2015-12-21 2015-12-21 Exchange formula carbide screw rod

Publications (1)

Publication Number Publication Date
CN205238485U true CN205238485U (en) 2016-05-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521066782.5U CN205238485U (en) 2015-12-21 2015-12-21 Exchange formula carbide screw rod

Country Status (1)

Country Link
CN (1) CN205238485U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106628924A (en) * 2016-12-23 2017-05-10 无锡富岛科技股份有限公司 Combined type two-way spiral elevating conveyor
CN107521056A (en) * 2017-09-07 2017-12-29 宁波金亿精密机械有限公司 A kind of injection-moulding device screw barrel being convenient for changing
CN109744844A (en) * 2018-01-19 2019-05-14 九阳股份有限公司 A kind of miniaturization horizontal screw extruding juice extractor easy for installation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106628924A (en) * 2016-12-23 2017-05-10 无锡富岛科技股份有限公司 Combined type two-way spiral elevating conveyor
CN107521056A (en) * 2017-09-07 2017-12-29 宁波金亿精密机械有限公司 A kind of injection-moulding device screw barrel being convenient for changing
CN109744844A (en) * 2018-01-19 2019-05-14 九阳股份有限公司 A kind of miniaturization horizontal screw extruding juice extractor easy for installation

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20160623

Address after: 412000 Xintang slope, Hongqi Middle Road, Zhuzhou, Hunan

Patentee after: ZHUZHOU TONGDA CEMENTED CARBIDE CO., LTD.

Address before: 412000 Xintang slope, Hongqi Middle Road, lotus pond area, Zhuzhou, Hunan

Patentee before: Liu Dan

C41 Transfer of patent application or patent right or utility model