CN106987693A - A kind of binding apparatus of metal knob heat treatment - Google Patents
A kind of binding apparatus of metal knob heat treatment Download PDFInfo
- Publication number
- CN106987693A CN106987693A CN201710333640.8A CN201710333640A CN106987693A CN 106987693 A CN106987693 A CN 106987693A CN 201710333640 A CN201710333640 A CN 201710333640A CN 106987693 A CN106987693 A CN 106987693A
- Authority
- CN
- China
- Prior art keywords
- slide
- metal knob
- iron wire
- binding apparatus
- fixed
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention belongs to field of mechanical technique, it is related to a kind of binding apparatus of metal knob heat treatment, the problems such as being heated in salt bath furnace can not be properly positioned over by which solving existing metal knob.This binding apparatus includes platform, platform is provided with slide rail along its length, and the centre of slide rail, which is fixed with, has the plummer for being used for fixing metal knob on pedestal, pedestal, the both sides of pedestal have left slide and right slide respectively, and left slide and right slide are slideably positioned on slide rail；The left side of left slide has two wire spools for being wound with iron wire, two through holes passed through for iron wire are offered on left slide and right slide, the fixed mechanism for being provided with and iron wire being fixed on right slide on the cutting mechanism that can cut off iron wire, right slide is additionally provided with wherein left slide；The surface of plummer, which has, can clamp the clamping jaw of iron wire end.The present invention, which has, places convenient, the advantages of swift to operate.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of binding apparatus of metal knob heat treatment.
Background technology
Metal heat treatmet is one of important process in machine-building, compared with other processing technologys, and heat treatment is general not
Change the shape and overall chemical composition of workpiece, but by changing the microscopic structure of inside workpiece, or change workpiece surface
Chemical composition, assign or improve workpiece performance.
And anneal, " four the fire " of normalizing, quenching, tempering exactly in bulk heat treatmet, quenching therein and tempering relation
Closely, usually use cooperatively, it is indispensable.
Quenching is after workpiece heat is incubated, in the hardening medias such as water, oily or other inorganic salts, aqueous organopolysiloxane quickly
Cooling.Steel part is hardened after quenching, but becomes fragile simultaneously, in order to eliminate fragility in time, generally requires timely tempering.And in order to reduce steel
The fragility of part, the steel part after quenching is protected for a long time in a certain proper temperature higher than room temperature less than 650 degrees Celsius
Temperature, then cooled down, this technique is then referred to as being tempered.
Metal knob as a kind of part being commonly used in all kinds of plant equipment, it include the cap body being connected as a single entity and
The body of rod, and it is also higher to its mechanical property requirements, therefore be also required to be heat-treated metal knob.Have because salt bath is heat-treated
Be heated evenly, deflection it is small, therefore, when being heat-treated to metal knob, metal knob is generally placed in salt
830 degrees Celsius are heated in liquid furnace, after metal knob is heated evenly, then taken out be positioned in hardening media carry out it is quick
Cooling, is finally put into tempering furnace rapidly and is tempered.
However, because the shape of metal knob is more special, and the fluid temperature in salt bath furnace is very high, therefore, how to have
Effect ground metal knob is stably placed in the solution of salt bath furnace, is still individual it is difficult to the problem of solving.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of metal knob heat treatment
Binding apparatus, the technical problems to be solved by the invention are：How by being tied up to metal knob, its suspension is facilitated to place
Heated in salt bath furnace.
The purpose of the present invention can be realized by following technical proposal：
A kind of binding apparatus of metal knob heat treatment, the metal knob includes bar portion and the cap portion being connected as a single entity,
Characterized in that, the binding apparatus includes platform, the platform is provided with slide rail along its length, and the centre of the slide rail is consolidated
Surely having has the plummer for being used for fixing metal knob on pedestal, the pedestal, the both sides of the pedestal have left slide respectively
With right slide, the left slide and right slide are slideably positioned on slide rail；The left side of the left slide has two and is wound with
Two through holes passed through for iron wire are offered on the wire spool of iron wire, the left slide and right slide, wherein on left slide also
It is provided with to be provided with the cutting mechanism that can cut off iron wire, the right slide and iron wire can be fixed on to consolidating on right slide
Determine mechanism；The surface of the plummer, which has, can clamp the clamping jaw of iron wire end, and the clamping jaw is fixedly connected with a rotating disk, institute
State rotating disk and rotate the end for being arranged at a cylinder, the cylinder is fixed on a crossbeam, the two ends of the crossbeam are solid by montant
Due on the platform.
Its operation principle is as follows：This binding apparatus when in use, first can rotate on metal knob on plummer, then will
Iron wire on two wire spools is each passed through two through holes on left slide, and forms one twice around metal knob successively intersection
Individual rhombus, now metal knob be located in the rhombus, followed by pulling iron wire to pass through two through holes on right slide, and lead to
Fixed mechanism is crossed to fix；After the process is finished, metal knob and plummer can be separated, manual toggle metal knob makes it
Rotate, the part iron wire between left slide and right slide twisted into twisted shape, and the rhombus intersected to form is also less and less will
The bar portion hoop jail of metal knob, afterwards, presses metal knob, metal knob is reapposed on plummer, now still further below
Left and right slide is relative to slide a part of distance, then is cut off the iron wire in left slide through hole by cutting mechanism, passes through fixed machine
Structure unclamps the iron wire in right slide through hole, and two iron legs silk is allocated to the surface of metal knob, the piston rod elongation of cylinder manually
Clamping jaw is clamped the position being close with metal knob cap portion on two iron legs silk, then rotary turnplate, make the silk formation of two iron legs
The piston rod contraction in the cap portion of the banding metal knob of knot one, then cylinder, makes clamping jaw clamp the end of two iron legs silk, then make folder
Pawl is rotated, and forms knot two, and knot two is engaged with knot one, forms a collar, can be by an iron grafting during heat treatment
It is easy to operate so as to so that metal knob can be hung in salt bath furnace is heated in the collar.
In a kind of binding apparatus of above-mentioned metal knob heat treatment, the plummer includes sleeve and electromagnet,
The electromagnet is fixed on the pedestal, and the sleeve is connected with the mandrel push rod of electromagnet, is offered on the sleeve
The receiving hole of metal knob bar portion can be placed.It is designed with after receiving hole, facilitates the placement of metal knob, and is designed with electromagnet
Afterwards, when pulling iron wire it is intersected around metal knob, the mandrel push rod of electromagnet is in propradation；And when needs are dialled
During dynamic metal knob, then the mandrel push rod of electromagnet is in full state, facilitates the rotation of metal knob.
In a kind of binding apparatus of above-mentioned metal knob heat treatment, the cutting mechanism includes being opened in left slide
On cut groove, the lower end of the cut groove is connected with the through hole on the left slide, slides and is provided with the cut groove
Shear knife, the shear knife can cut off the iron wire in through hole along cut groove slide downward.
In a kind of binding apparatus of above-mentioned metal knob heat treatment, the lower end of the shear knife is blade, described
The upper end of shear knife is the force section impacted for user.Force section is designed with, both convenient use person exerted oneself, can play spacing again
Effect.
In a kind of binding apparatus of above-mentioned metal knob heat treatment, the fixed mechanism includes being opened in the right side
Fixing groove on slide, the lower end of the fixing groove is connected with the through hole on the right slide, slides and sets in the fixing groove
Stator is equipped with, the stator can fix the iron wire in through hole along fixing groove slide downward, on the right slide also
The drive mechanism of the stator movement can be driven by being provided with.It is designed with after stator, can be realized by the slip of stator
To the fixation of iron wire with releasing.
In a kind of binding apparatus of above-mentioned metal knob heat treatment, the drive mechanism is arranged at institute including rotation
The regulating bolt above fixing groove is stated, the upper end of the stator is provided with the nut coordinated with the regulating bolt screw thread.Rotation
Dynamic regulating bolt, can drive stator to be slided along fixing groove, realize the lifting of stator.
In a kind of binding apparatus of above-mentioned metal knob heat treatment, the clamping jaw includes clamp piece and dynamic intermediate plate,
The rear end of the clamp piece is fixed on rotating disk, and the middle part of the dynamic intermediate plate is mutually cut with scissors by rotating shaft and the middle part of the clamp piece
Connect, the jaws for clamping iron wire, the rear end of the dynamic intermediate plate are formed between the front end of the dynamic intermediate plate and the front end of clamp piece
Stage clip is provided between the rear end of clamp piece.
Compared with prior art, the present invention has advantages below：
This binding apparatus can be tied up to metal knob, and be formed at the upper end of metal knob at a collar, heat
During reason, an iron can be plugged in the collar, so as to so that metal knob can be hung in salt bath furnace is heated,
It is easy to operate.
Brief description of the drawings
Fig. 1 is the structural representation of this binding apparatus in embodiment.
Fig. 2 is the structural representation of cutting mechanism in embodiment.
Fig. 3 is the structural representation of fixed mechanism in embodiment.
Fig. 4 is the structural representation of clamping jaw in embodiment.
Fig. 5 is the metal knob state diagram that completion is tied up in embodiment.
In figure, 1, metal knob；2nd, bar portion；3rd, cap portion；4th, platform；5th, slide rail；6th, pedestal；7th, plummer；8th, left slide；
9th, right slide；10th, wire spool；11st, through hole；12nd, clamping jaw；13rd, cylinder；14th, crossbeam；15th, montant；16th, sleeve；17th, electromagnet；
18th, iron wire；19th, cut groove；20th, shear knife；21st, force section；22nd, fixing groove；23rd, stator；24th, regulating bolt；25th, spiral shell
It is female；26th, clamp piece；27th, intermediate plate is moved；28th, jaws；29th, rotating disk.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, this metal knob 1 includes bar portion 2 and the cap portion 3 being connected as a single entity.This bundle
Bundling device includes platform 4, and platform 4 is provided with slide rail 5 along its length, and the centre of slide rail 5, which is fixed with pedestal 6, pedestal 6, to be had
Plummer 7 for fixing metal knob 1, specifically, plummer 7 include sleeve 16 and electromagnet 17, and electromagnet 17 is fixed
In on pedestal 6, sleeve 16 is connected with the mandrel push rod of electromagnet 17, and the bar of metal knob 1 can be placed by being offered on sleeve 16
The receiving hole in portion 2.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the both sides of pedestal 6 have left slide 8 and right slide 9, left slide 8 respectively
It is slideably positioned on slide rail 5 with right slide 9；The left side of left slide 8 has two wire spools 10 for being wound with iron wire 18, left cunning
Two through holes 11 passed through for iron wire 18 are offered on seat 8 and right slide 9, can be by iron wherein being additionally provided with left slide 8
The fixed mechanism that iron wire 18 can be fixed on right slide 9 is provided with the cutting mechanism of the cut-out of silk 18, right slide 9.Specifically
For, cutting mechanism includes the cut groove 19 being opened on left slide 8, the lower end of cut groove 19 and the through hole 11 on left slide 8
It is connected, slides in cut groove 19 and be provided with shear knife 20, shear knife 20 can be along the slide downward of cut groove 19 by through hole 11
Interior iron wire 18 is cut off.The lower end of shear knife 20 is blade, and the upper end of shear knife 20 is the force section 21 impacted for user.Gu
Determine the fixing groove 22 that mechanism includes being opened on right slide 9, the lower end of fixing groove 22 is connected with the through hole 11 on right slide 9,
Slide in fixing groove 22 and be provided with stator 23, stator 23 can be along the slide downward of fixing groove 22 by the iron wire in through hole 11
18 are fixed, and the drive mechanism that stator 23 can be driven to move is additionally provided with right slide 9.Drive mechanism is arranged at including rotation
The regulating bolt 24 of the top of fixing groove 22, the upper end of stator 23 is provided with the nut 25 coordinated with the screw thread of regulating bolt 24.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the surface of plummer 7, which has, can clamp the clamping jaw of the end of iron wire 18
12, clamping jaw 12 is fixedly connected with a rotating disk 29, and rotating disk 29 rotates the end for being arranged at a cylinder 13, and cylinder 13 is fixed on a crossbeam 14
On, the two ends of crossbeam 14 are fixed on platform 4 by montant 15.Clamping jaw 12 includes clamp piece 26 and dynamic intermediate plate 27, clamp piece 26
Rear end be fixed on rotating disk 29, the middle part of dynamic intermediate plate 27 is hinged by rotating shaft and the middle part of clamp piece 26, dynamic intermediate plate 27
The jaws 28 for clamping iron wire 18 is formed between front end and the front end of clamp piece 26, rear end and the clamp piece 26 of intermediate plate 27 is moved
Stage clip is provided between rear end.
The operation principle of the present invention is as follows：This binding apparatus when in use, first can rotate on metal knob on plummer,
Then iron wire on two wire spools is each passed through to two through holes on left slide, and is successively intersected twice around metal knob
A rhombus is formed, now metal knob is located in the rhombus, led to followed by pulling iron wire to pass through two on right slide
Hole, and fixed by fixed mechanism；After the process is finished, metal knob and plummer can be separated, manual toggle metal
Knob rotates it, and the part iron wire between left slide and right slide is twisted into twisted shape, and the rhombus intersected to form is also got over
Come the smaller bar portion hoop jail by metal knob, afterwards, metal knob is pressed still further below, metal knob is reapposed in plummer
On, now left and right slide is relative slides a part of distance, then is cut off the iron wire in left slide through hole by cutting mechanism, leads to
Two iron legs silk, is allocated to the surface of metal knob, the work of cylinder by the iron wire crossed in the right slide through hole of fixed mechanism release manually
Stopper rod elongation makes clamping jaw clamp the position being close with metal knob cap portion on two iron legs silk, and then rotary turnplate, makes two sections
The piston rod contraction in the cap portion of the iron wire formation banding metal knob of knot one, then cylinder, makes clamping jaw clamp the end of two iron legs silk
Portion, then clamping jaw is rotated, knot two is formed, knot two is engaged with knot one, form a collar, can be by one during heat treatment
Root iron is plugged in the collar, easy to operate fast so as to so that metal knob can be hung in salt bath furnace is heated
It is prompt.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (7)
1. a kind of binding apparatus of metal knob heat treatment, the metal knob (1) includes bar portion (2) and the cap being connected as a single entity
Portion (3), it is characterised in that the binding apparatus includes platform (4), the platform (4) is provided with slide rail (5) along its length,
The centre of the slide rail (5), which is fixed with, has the plummer for being used for fixing metal knob (1) on pedestal (6), the pedestal (6)
(7), the both sides of the pedestal (6) have left slide (8) and right slide (9) respectively, and the left slide (8) and right slide (9) are
It is slideably positioned on slide rail (5)；The left side of the left slide (8) has two wire spools (10) for being wound with iron wire (18), institute
State and two through holes (11) passed through for iron wire (18) are offered on left slide (8) and right slide (9), wherein on left slide (8)
It is additionally provided with and is provided with and iron wire (18) can be fixed on the cutting mechanism that can cut off iron wire (18), the right slide (9)
Fixed mechanism on right slide (9)；The surface of the plummer (7), which has, can clamp the clamping jaw of iron wire (18) end
(12), the clamping jaw (12) is fixedly connected with a rotating disk (29), and the rotating disk (29) rotates the end for being arranged at a cylinder (13), institute
State cylinder (13) to be fixed on a crossbeam (14), the platform (4) is fixed in the two ends of the crossbeam (14) by montant (15)
On.
2. the binding apparatus of metal knob heat treatment according to claim 1, it is characterised in that the plummer (7)
Including sleeve (16) and electromagnet (17), the electromagnet (17) is fixed on the pedestal (6), the sleeve (16) and electromagnetism
The mandrel push rod of iron (17) is connected, and the receiving of metal knob (1) bar portion (2) can be placed by being offered on the sleeve (16)
Hole.
3. the binding apparatus of metal knob heat treatment according to claim 1, it is characterised in that the cutting mechanism bag
Include the cut groove (19) being opened on left slide (8), the lower end of the cut groove (19) and the through hole on the left slide (8)
(11) it is connected, is slided in the cut groove (19) and be provided with shear knife (20), the shear knife (20) can be along cut groove
(19) slide downward cuts off the iron wire (18) in through hole (11).
4. the binding apparatus of metal knob heat treatment according to claim 3, it is characterised in that the shear knife (20)
Lower end be blade, the upper end of the shear knife (20) is the force section (21) impacted for user.
5. the binding apparatus of metal knob heat treatment according to claim 1, it is characterised in that the fixed mechanism bag
Include the fixing groove (22) being opened on the right slide (9), the lower end of the fixing groove (22) and leading on the right slide (9)
Hole (11) is connected, and is slided in the fixing groove (22) and is provided with stator (23), the stator (23) can be along fixation
Groove (22) slide downward is fixed by the iron wire (18) in through hole (11), is additionally provided with the right slide (9) described in can driving
The mobile drive mechanism of stator (23).
6. the binding apparatus of metal knob heat treatment according to claim 5, it is characterised in that the drive mechanism bag
Include the regulating bolt (24) that rotation is arranged above the fixing groove (22), the upper end of the stator (23) be provided with it is described
The nut (25) that regulating bolt (24) screw thread coordinates.
7. the binding apparatus of the metal knob heat treatment according to claim 1 or 2 or 3 or 4 or 5 or 6, its feature exists
In the clamping jaw (12) includes clamp piece (26) and dynamic intermediate plate (27), and rotating disk (29) is fixed in the rear end of the clamp piece (26)
On, the middle part of the dynamic intermediate plate (27) by rotating shaft with being hinged in the middle part of the clamp piece (26), the dynamic intermediate plate (27)
The jaws (28) for clamping iron wire (18), the rear end of the dynamic intermediate plate (27) are formed between front end and the front end of clamp piece (26)
Stage clip is provided between the rear end of clamp piece (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333640.8A CN106987693B (en) | 2017-05-12 | 2017-05-12 | A kind of binding apparatus of metal knob heat treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710333640.8A CN106987693B (en) | 2017-05-12 | 2017-05-12 | A kind of binding apparatus of metal knob heat treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106987693A true CN106987693A (en) | 2017-07-28 |
| CN106987693B CN106987693B (en) | 2018-08-07 |
Family
ID=59420493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710333640.8A Expired - Fee Related CN106987693B (en) | 2017-05-12 | 2017-05-12 | A kind of binding apparatus of metal knob heat treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106987693B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731541A (en) * | 2020-07-03 | 2020-10-02 | 浙江金星螺杆制造有限公司 | Bundling method for heat treatment of screw of plastic extruding machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB391665A (en) * | 1931-09-21 | 1933-05-04 | Guglielmo Monopoli | An improved wire binding and tying machine |
| CN101565772A (en) * | 2009-04-14 | 2009-10-28 | 河南神龙石油钻具有限公司 | Plasma quenching method of screw threads of petroleum drilling tools |
| CN202430259U (en) * | 2011-11-11 | 2012-09-12 | 中国矿业大学 | Sample clamping device for salt-bath heat treatment |
| CN203096181U (en) * | 2012-12-27 | 2013-07-31 | 重庆机床(集团)有限责任公司 | Tool for furnace-loaded carburizing and quenching of hollow worm |
| CN103627864A (en) * | 2013-12-13 | 2014-03-12 | 重庆齿轮箱有限责任公司 | Lifting device special for cold and heat treatment |
| CN203712539U (en) * | 2013-12-10 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | Thermal treatment shaping clamp of snap spring |
| CN205653486U (en) * | 2016-05-26 | 2016-10-19 | 重庆港乾机械有限公司 | Heat treating gallows for work piece |
-
2017
- 2017-05-12 CN CN201710333640.8A patent/CN106987693B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB391665A (en) * | 1931-09-21 | 1933-05-04 | Guglielmo Monopoli | An improved wire binding and tying machine |
| CN101565772A (en) * | 2009-04-14 | 2009-10-28 | 河南神龙石油钻具有限公司 | Plasma quenching method of screw threads of petroleum drilling tools |
| CN202430259U (en) * | 2011-11-11 | 2012-09-12 | 中国矿业大学 | Sample clamping device for salt-bath heat treatment |
| CN203096181U (en) * | 2012-12-27 | 2013-07-31 | 重庆机床(集团)有限责任公司 | Tool for furnace-loaded carburizing and quenching of hollow worm |
| CN203712539U (en) * | 2013-12-10 | 2014-07-16 | 中国航空工业标准件制造有限责任公司 | Thermal treatment shaping clamp of snap spring |
| CN103627864A (en) * | 2013-12-13 | 2014-03-12 | 重庆齿轮箱有限责任公司 | Lifting device special for cold and heat treatment |
| CN205653486U (en) * | 2016-05-26 | 2016-10-19 | 重庆港乾机械有限公司 | Heat treating gallows for work piece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731541A (en) * | 2020-07-03 | 2020-10-02 | 浙江金星螺杆制造有限公司 | Bundling method for heat treatment of screw of plastic extruding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106987693B (en) | 2018-08-07 |
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Granted publication date: 20180807 Termination date: 20210512 |