CN108935602A - A kind of single channel sausage necking down mechanism - Google Patents
A kind of single channel sausage necking down mechanism Download PDFInfo
- Publication number
- CN108935602A CN108935602A CN201811149794.2A CN201811149794A CN108935602A CN 108935602 A CN108935602 A CN 108935602A CN 201811149794 A CN201811149794 A CN 201811149794A CN 108935602 A CN108935602 A CN 108935602A
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- China
- Prior art keywords
- peach
- shaped
- connecting rod
- main rocker
- motor
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 235000013580 sausages Nutrition 0.000 title claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims description 19
- 235000006040 Prunus persica var persica Nutrition 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 240000006413 Prunus persica var. persica Species 0.000 claims 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract description 5
- 235000011613 Pinus brutia Nutrition 0.000 abstract description 5
- 241000018646 Pinus brutia Species 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 10
- 210000000936 intestine Anatomy 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 244000144730 Amygdalus persica Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C11/00—Sausage making ; Apparatus for handling or conveying sausage products during manufacture
- A22C11/12—Apparatus for tying sausage skins ; Clipping sausage skins
- A22C11/125—Apparatus for tying sausage skins ; Clipping sausage skins by clipping; Removal of clips
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Processing Of Meat And Fish (AREA)
Abstract
The invention discloses a kind of single channel sausage necking down mechanisms comprising rack, motor, peach-shaped folder, first connecting rod mechanism and second connecting rod mechanism；First connecting rod mechanism includes motor link block, the main rocker of motor connection lever and rotation connection on the rack, and motor link block is fixedly connected on the power output end of motor, and motor link block is hinged by motor connection lever and main rocker；Second connecting rod mechanism includes a pair of links group, and each connection rod set includes including two connecting rods being hinged；Peach-shaped folder includes two peach-shaped intermediate plates, and peach-shaped intermediate plate is connect with gantry rotation；Peach-shaped folder is connect by second connecting rod mechanism with main rocker.It solves the problems, such as to improve job stability, while the abrasion that the present invention generates is low, the service life height and low noise of equipment since the peach-shaped folder for causing two panels opposite between gear drive there are certain gap has empty pine in the prior art.
Description
Technical field
The present invention relates to food processing machinery technical field more particularly to a kind of single channel sausage necking down mechanisms.
Background technique
The modern production technology of the intestines based article such as sausage, ham sausage, sausage is always to be derived from external processing technology and life
Production technology, equipment, main process are the intestines based article recorded sauce to casing and be formed as merogenesis with casing of twisting together.In a manner of twisting together
The equipment space occupied for producing intestines based article is big, and input cost is high, and operation and maintenance is complicated.And casing is formed as by twisting together
The intestines based article of merogenesis, needs to tighten casing and formed knot, and casing section occupies the length of casing, leads to the extra wave of casing
Take, improves the production cost of casing product.
Currently, there is the binding production technology of casing product and technology, it is different from the kink of external intestines based article completely
Production technology and technology.Wherein, it has main steps that: first passing through sectional splint and intestines based article is restrained in advance, then used at convergence
Cotton thread winding tightens, and realizes merogenesis, finally unclamps sectional splint and uses leash drawing intestines based article to carry out point next time
Section.It restrains, tighten in advance, pulling three steps, mostly using semiautomatic fashion, for example, driven by shaking sectional splint opens and closes, it is existing as a result,
The problem that some binding production technologies and technology have production efficiency low.
Also occur some realize sausage using full automatic mode on the market to restrain in advance, such as Chinese patent
CN204969167U (publication date is on January 20th, 2016) discloses one kind by motor-driven gear transmission mechanism, thus band
Dynamic segmentation clip assembly carries out opening and closing movement, improves production efficiency, but there is also technical deficiency, be mainly manifested in: 1,
It is driven by gear coupling, drives sectional splint group to carry out opening and closing movement, since there are certain gap, two panels between gear drive
There is empty pine in opposite sectional splint, influence the binding effect of sausage；2, during the work time, high-speed gear moves, and is easy to produce
On the one hand abrasion influences sausage binding effect, on the other hand shortens the service life of equipment；3, in the course of work, high-speed gear
Movement, the impact force of generation is big, causes noise excessive.
In view of the above problems, it is very urgent to design a kind of novel single channel sausage necking down mechanism.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of single channel sausage necking down mechanism, solves existing
Have in the course of work for controlling peach-shaped folder folding in technology by gear drive, between existing centainly between gear drive
There is empty pine, improve job stability, while the present invention is face contact transmission, is produced in gap, the opposite peach-shaped folder of two panels
Raw abrasion is low, the service life height and low noise of equipment.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of single channel sausage necking down mechanism, including rack, motor and peach-shaped folder, in which:
It further include first connecting rod mechanism and second connecting rod mechanism；
First connecting rod mechanism includes motor link block, the main rocker of motor connection lever and rotation connection on the rack, and motor connects
The power output end that block is fixedly connected on motor is connect, motor link block is hinged by motor connection lever and main rocker, motor link block
Main rocker is driven to do oscillating motion；
Second connecting rod mechanism includes a pair of links group, and each connection rod set includes including two connecting rods being hinged；
Peach-shaped folder includes two peach-shaped intermediate plates, and peach-shaped intermediate plate is connect with gantry rotation；
Peach-shaped folder is connect by second connecting rod mechanism with main rocker, wherein the first of two connecting rods of second connecting rod mechanism
End is hinged with main rocker, and second end one peach-shaped intermediate plate of corresponding connection is fixedly connected.
Preferably, second connecting rod mechanism includes first connecting rod, the first peach-shaped folder swing rod, second connecting rod and the second peach-shaped folder pendulum
Bar；
On the rack, the lower part of main rocker presss from both sides swing rod by first connecting rod and the first peach-shaped for the middle part rotation connection of main rocker
Hingedly, the top of main rocker is hinged by second connecting rod and the second peach-shaped folder swing rod；
First peach-shaped presss from both sides the first peach-shaped intermediate plate and the second peach that swing rod and the second peach-shaped folder swing rod are pressed from both sides with the first peach-shaped respectively
Clevis piece is fixedly connected.
Preferably, peach-shaped intermediate plate is arranged in rack by peach-shaped holder, and shaft is provided in peach-shaped holder, and peach-shaped intermediate plate is logical
Shaft is crossed to connect with peach-shaped folder swing rod.
Preferably, two connection rod sets of second connecting rod mechanism, the position of one of connection rod set and main rocker rotation connection
For the first rotation position, the position of another connection rod set and main rocker rotation connection is the second rotation position, the main rocker and rack
The position of connection is fixed bit；
First rotation position is located at the two sides of fixed bit with the second rotation position.
Preferably, rack is fixedly connected with fulcrum in the position corresponding with fixed bit, and main rocker is rotated by fulcrum
Connection is on the rack.
Preferably, peach-shaped folder include two peach-shaped intermediate plates, peach-shaped intermediate plate have through-hole, through-hole include circular portion and from circle
Shape part starts the diminishing tapered portion in section, and the tapered portion of the first peach-shaped intermediate plate and the second peach-shaped intermediate plate is opposite to put
It sets.
(3) beneficial effect
The beneficial effects of the present invention are:
Single channel sausage necking down mechanism of the invention with motor driven jointed gear unit by being moved, to control peach-shaped
Folder generates opening and closing movement, solves in the course of work for controlling peach-shaped folder folding by gear drive in the prior art, due to tooth
There are certain gaps between wheel transmission, and the opposite peach-shaped folder of two panels has empty pine, while the present invention is face contact biography
Dynamic, the abrasion of generation is low, the service life height and low noise of equipment.
Detailed description of the invention
The present invention is described by means of the following drawings:
Fig. 1 is the structural schematic diagram of single channel sausage necking down mechanism according to an embodiment of the present invention；
Fig. 2 is the left view of single channel sausage necking down mechanism according to an embodiment of the present invention.
[description of symbols]
1: rack；2: motor；3: motor link block；4: shaft；5: motor connection lever；6: main rocker；7: fulcrum；Connect at 8: the first
Bar；9: second connecting rod；10: the first peach-shapeds press from both sides swing rod；11: peach-shaped holder；12: peach-shaped folder；13: the second peach-shapeds press from both sides swing rod.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower", "front", "rear"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
Embodiment one
Overall structure
Single channel sausage necking down mechanism as shown in Figure 1 includes rack 1, motor 2, link mechanism and is rotatably provided in machine
Peach-shaped clamping structure on frame 1.Link mechanism includes first connecting rod mechanism and second connecting rod mechanism, and first connecting rod mechanism includes motor
Link block 3, motor connection lever 5 and the main rocker 6 being rotatably connected in rack 1.
Second connecting rod mechanism includes first connecting rod 8, second connecting rod 9, the first peach-shaped folder swing rod 10 and the second peach-shaped folder swing rod
13。
Motor link block 3 is fixedly connected on the power output end of motor 2, and motor link block 3 is shaken by motor connection lever 5 and master
Bar 6 is hinged, and motor link block 3 drives main rocker 6 to do oscillating motion, specifically, motor link block 3 is connected by shaft 4 and motor
Bar 5 is rotatablely connected, and motor connection lever 5 is rotatablely connected by shaft and main rocker 6.Main rocker 6 passes through first connecting rod 8 and the first peach-shaped
It is hinged to press from both sides swing rod 10, main rocker 6 presss from both sides swing rod 13 hingedly by second connecting rod 9 and the second peach-shaped, and main rocker 6 drives the first peach-shaped folder
Swing rod 10 and the second peach-shaped folder swing rod 13 do oscillating motion.Peach-shaped folder 12 includes the first peach-shaped intermediate plate and the second peach-shaped intermediate plate, the
One peach-shaped folder swing rod 10 is fixedly connected with the first peach-shaped intermediate plate, and the second peach-shaped folder swing rod 13 is fixedly connected with the second peach-shaped intermediate plate,
First peach-shaped presss from both sides swing rod 10 and the second peach-shaped folder swing rod 13 drives peach-shaped folder 12 to generate opening and closing movement.
Peach-shaped folder 12
Peach-shaped folder includes two peach-shaped intermediate plates, and peach-shaped intermediate plate has a through-hole, and through-hole includes circular portion and from circular portion
The tapered portion of the beginning diminishing tapered portion in section, the first peach-shaped intermediate plate and the second peach-shaped intermediate plate is staggered relatively, and leads to
Peach-shaped holder 11 is crossed rotatably to be fixed in rack 1.When necking down movement not yet starts, the channel that peach-shaped folder 12 is formed is enough
Sausage is allowed to extend there through, when sausage is sent to predetermined position, the jointed gear unit that motor 2 drives makees two peach-shaped intermediate plates
Contrary rotation, i.e. the first peach-shaped intermediate plate are rotated in a first direction, and the second peach-shaped intermediate plate is rotated in a second direction, first party
To being opposite both direction with second direction.It, can be the sausage in peach-shaped folder 12 under the interaction of peach-shaped folder 12
Gradually squeezed toward the through hole of reduced cross-sectional area, it in this way can be reduced diameter of the sausage at merogenesis, convenient for sausage
Carry out binding.
Link mechanism
The end that block 3 is connected to motor in the first end of motor connection lever 5 is hinged, second end and the main rocker 6 of motor connection lever 5
First end is hinged, and the middle part of main rocker 6 is rotatably connected in rack 1, and the lower part of main rocker 6 and the first end of first connecting rod 8 are cut with scissors
Connect, the second end of first connecting rod 8 and the first peach-shaped folder swing rod 10 first end it is hinged, the first peach-shaped press from both sides swing rod 10 second end with
First peach-shaped intermediate plate is fixedly connected；The top of main rocker 6 and the first end of second connecting rod 9 are hinged, the second end of second connecting rod 9 with
The first end that second peach-shaped presss from both sides swing rod 13 is hinged, and the second end of the second peach-shaped folder swing rod 13 is fixedly connected with the second peach-shaped intermediate plate.
Link mechanism the operation is stable, structure is simple, and occupancy is small in size, handsome in appearance.When motor 2 is powered, driving motor connects
The rotation of block 3 is connect, motor link block 3 rotates a circle, and drives main rocker 6 to do a wobble cycle, so that it is primary to make peach-shaped folder 12
Folding circulation, in transmission process, the opposite peach-shaped folder of two panels improves sausage binding effect and makes an uproar when working there is no empty pine
Sound is small.
The position that first connecting rod 8 and main rocker 6 are rotatablely connected is the first rotation position, and second connecting rod and the rotation of main rocker 6 connect
The position connect is the second rotation position, and the position that main rocker 6 and rack 1 are rotatablely connected is fixed bit, and first rotates position and second turn
Dynamic position is located at the two sides of fixed bit.When main rocker 6 does oscillating motion, the first rotation position and the second rotation position angle having the same
Speed ensure that perfume (or spice) so that the first peach-shaped folder swing rod 10 and the second peach-shaped folder swing rod 13 be driven to do the open and close movement of identical speed
The stability of intestines binding, movement is accurate, reliable, to improve the efficiency of sausage binding.
In above-mentioned preferred embodiment, rack 1 is fixedly connected with fulcrum 7, main rocker 6 in position corresponding with fixed bit
It is rotatably connected in rack 1 by fulcrum 7.
Certainly, pass through the first rotation position and the second rotation position and second connecting rod structure in the two sides of fixed bit in the present embodiment
Hinged is only preferably, it will be appreciated that if it is changed in the first rotation position of the side of fixed bit setting and the second rotation position
It is hinged with second connecting rod structure.First peach-shaped folder swing rod 10 is fixedly connected with peach-shaped intermediate plate from below, that is, the first peach-shaped presss from both sides swing rod
10 are located at the lower section of the two connecting shaft；Second peach-shaped folder swing rod 13 is fixedly connected from top with the second peach-shaped intermediate plate, that is, the second peach
Clevis swing rod 13 is located at the top of the two connecting shaft.Peach-shaped folder 12 is driven to generate opening and closing movement at this point, being equally able to achieve main rocker 6
Effect.
Still optionally further, one rotation position is set in the side of fixed bit and second connecting rod structure is hinged, at this time first
Peach-shaped folder swing rod 10 is fixedly connected with peach-shaped intermediate plate from below, and the second peach-shaped folder swing rod 13 is fixed from top and the second peach-shaped intermediate plate
Connection is equally able to achieve the effect that main rocker 6 drives peach-shaped folder 12 to generate opening and closing movement.
Working principle
After motor 2 is powered, shaft rotation drives the motor link block 3 to do complete cycle movement, to drive the main rocker
6 do wobble cycle movement, if main rocker 6 first does oscillating motion counterclockwise, pass through first connecting rod mechanism and second connecting rod machine
Structure controls the first peach-shaped intermediate plate and the second peach-shaped intermediate plate is cooked backwards to moving, at this point, the channel that peach-shaped folder 12 is formed becomes larger, is in
Releasing orientation, when channel greatly to a certain extent when, sausage traction device work drive sausage pass through the peach-shaped clamping structure.
Then main rocker 6 does clockwise oscillating motion, passes through first connecting rod mechanism and second connecting rod mechanism controls first
Peach-shaped intermediate plate and the second peach-shaped intermediate plate move toward one another, at this point, the first peach-shaped folder, the second peach-shaped are pressed from both sides the channel to be formed and gradually become
It is small, in closing tight state, when channel it is small to a certain extent when, sausage traction device stops, and realizes the fixed length binding to sausage.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above
Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but
The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired
Decorations, should be covered by the scope of protection of the present invention.
Claims (6)
1. a kind of single channel sausage necking down mechanism, including rack, motor and peach-shaped folder, it is characterised in that:
It further include first connecting rod mechanism and second connecting rod mechanism；
First connecting rod mechanism includes motor link block, the main rocker of motor connection lever and rotation connection on the rack, motor link block
It is fixedly connected on the power output end of motor, motor link block is hinged by motor connection lever and main rocker, and motor link block drives
Main rocker does oscillating motion；
Second connecting rod mechanism includes a pair of links group, and each connection rod set includes including two connecting rods being hinged；
Peach-shaped folder includes two peach-shaped intermediate plates, and peach-shaped intermediate plate is connect with gantry rotation；
Peach-shaped folder is connect by second connecting rod mechanism with main rocker, wherein the first end of two connecting rods of second connecting rod mechanism and
Main rocker is hinged, and second end one peach-shaped intermediate plate of corresponding connection is fixedly connected.
2. single channel sausage necking down mechanism according to claim 1, it is characterised in that: second connecting rod mechanism includes the first company
Bar, the first peach-shaped folder swing rod, second connecting rod and the second peach-shaped press from both sides swing rod；
On the rack, the lower part of main rocker presss from both sides swing rod hinge by first connecting rod and the first peach-shaped for the middle part rotation connection of main rocker
It connects, the top of main rocker is hinged by second connecting rod and the second peach-shaped folder swing rod；
First peach-shaped presss from both sides swing rod and the second peach-shaped folder swing rod is pressed from both sides with the first peach-shaped intermediate plate of the first peach-shaped folder and the second peach-shaped respectively
Piece is fixedly connected.
3. single channel sausage necking down mechanism according to claim 2, it is characterised in that:
Peach-shaped intermediate plate is arranged in rack by peach-shaped holder, and shaft is provided in peach-shaped holder, and peach-shaped intermediate plate passes through shaft and peach
The connection of clevis swing rod.
4. single channel sausage necking down mechanism according to claim 1, it is characterised in that:
The position of two connection rod sets of second connecting rod mechanism, one of connection rod set and main rocker rotation connection is the first rotation
The position of position, another connection rod set and main rocker rotation connection is the second rotation position, the position that the main rocker is connect with rack
For fixed bit；
First rotation position is located at the two sides of fixed bit with the second rotation position.
5. single channel sausage necking down mechanism according to claim 4, it is characterised in that: rack is corresponding with fixed bit
Position is fixedly connected with fulcrum, and main rocker is rotatablely connected on the rack by fulcrum.
6. single channel sausage necking down mechanism according to claim 1, it is characterised in that: peach-shaped folder includes two peach-shaped folders
Piece, peach-shaped intermediate plate have a through-hole, and through-hole includes circular portion and the diminishing tapered portion in section since the circular portion, the
The tapered portion of one peach-shaped intermediate plate and the second peach-shaped intermediate plate is staggered relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149794.2A CN108935602A (en) | 2018-09-29 | 2018-09-29 | A kind of single channel sausage necking down mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811149794.2A CN108935602A (en) | 2018-09-29 | 2018-09-29 | A kind of single channel sausage necking down mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108935602A true CN108935602A (en) | 2018-12-07 |
Family
ID=64472454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811149794.2A Pending CN108935602A (en) | 2018-09-29 | 2018-09-29 | A kind of single channel sausage necking down mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108935602A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2887074Y (en) * | 2006-03-29 | 2007-04-11 | 刘金生 | Full automatic sausage section binding machine |
| CN201171335Y (en) * | 2008-02-06 | 2008-12-31 | 黄木昌 | Sausage semi-automatic wire binding device |
| CN201878681U (en) * | 2010-09-20 | 2011-06-29 | 嘉兴市南湖区大昌华邦机械厂 | Clamping and disconnecting device of sausage binding machine |
| CN202354294U (en) * | 2011-08-31 | 2012-08-01 | 隆泰机械(嘉兴)有限公司 | Sausage necking mechanism |
| CN204969167U (en) * | 2015-06-29 | 2016-01-20 | 杨佑兵 | Electronic sausage machine of bundling |
| CN105351302A (en) * | 2015-08-25 | 2016-02-24 | 广西大学 | Double-rocker clamping mechanism |
| CN209965114U (en) * | 2018-09-29 | 2020-01-21 | 佛山市奥楷机械科技有限公司 | Single-channel sausage necking mechanism |
-
2018
- 2018-09-29 CN CN201811149794.2A patent/CN108935602A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2887074Y (en) * | 2006-03-29 | 2007-04-11 | 刘金生 | Full automatic sausage section binding machine |
| CN201171335Y (en) * | 2008-02-06 | 2008-12-31 | 黄木昌 | Sausage semi-automatic wire binding device |
| CN201878681U (en) * | 2010-09-20 | 2011-06-29 | 嘉兴市南湖区大昌华邦机械厂 | Clamping and disconnecting device of sausage binding machine |
| CN202354294U (en) * | 2011-08-31 | 2012-08-01 | 隆泰机械(嘉兴)有限公司 | Sausage necking mechanism |
| CN204969167U (en) * | 2015-06-29 | 2016-01-20 | 杨佑兵 | Electronic sausage machine of bundling |
| CN105351302A (en) * | 2015-08-25 | 2016-02-24 | 广西大学 | Double-rocker clamping mechanism |
| CN209965114U (en) * | 2018-09-29 | 2020-01-21 | 佛山市奥楷机械科技有限公司 | Single-channel sausage necking mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 朱仁盛，赵光霞: "《机械制造技术基础》", 31 August 2017, 北京：北京理工大学出版社, pages: 69 - 72 * |
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Application publication date: 20181207 |