CN109532045A - The sub- nylon wire bonding machine of piano key and viscous technique - Google Patents
The sub- nylon wire bonding machine of piano key and viscous technique Download PDFInfo
- Publication number
- CN109532045A CN109532045A CN201811588882.2A CN201811588882A CN109532045A CN 109532045 A CN109532045 A CN 109532045A CN 201811588882 A CN201811588882 A CN 201811588882A CN 109532045 A CN109532045 A CN 109532045A
- Authority
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- China
- Prior art keywords
- bushing
- thermal head
- hand hole
- piano key
- hot
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000004677 Nylon Substances 0.000 title claims abstract description 24
- 229920001778 nylon Polymers 0.000 title claims abstract description 24
- 239000004831 Hot glue Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000007373 indentation Methods 0.000 claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000172 allergic effect Effects 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
Abstract
The present invention relates to the sub- nylon wire bonding machines of piano key, applied to gluing in technique for the bushing made of hot melt adhesive film, including feeding mechanism, indentation hot-melting mechanism and cutting knife；Indentation hot-melting mechanism is vertically installed；Feeding mechanism, which is vertically installed, and the two sidewalls of corresponding upper and lower hand hole are symmetrical is located at indentation hot-melting mechanism two sides, is used for vertical transport bushing；Cutting knife is mounted on the indentation end of indentation hot-melting mechanism, for cutting bushing.Bushing is pressed at the two sidewalls of upper and lower hand hole to using thermal head and is heated fusing hot melt adhesive film, completes viscous work.It further relates to glue technique using bushing made of hot melt adhesive film and sub- nylon wire bonding machine piano key of above-mentioned piano key.The nylon wire bonding machine and viscous technique can be improved production efficiency, reduce worker's working strength, purify working environment, reduce pollution.Belong to piano assembly field.
Description
Technical field
The present invention relates to pianos to assemble field, the specifically sub- nylon wire bonding machine of piano key and viscous technique.
Background technique
In the technical process of piano assembly, the process glued in the upper and lower hand hole of piano key is usually manually will
After item coats white glue, item is pressed on the side wall of upper and lower hand hole across the upper and lower hand hole of key, then with tent, is then cut out
Cut extra item.Upper and lower hand could be pasted and fixed on for item by needing to compress 1 hour or more white glue in tent compaction process
On the side wall in hole.The technique be easy to appear due to gluing is uneven and cause to be pasted not strongly by the case where；And cut extra item
When, there is the quality risk for cutting damage workpiece, operator is easy the security risks such as cut wound hand.Due to manual operation, workers with long time
It being contacted with white glue, white glue has certain irritation to the skin of worker, and a few peoples can generate the allergic phenomenas such as red and swollen, stimulation, because
This needs to dress protective gear appropriate, is contacted with reducing white glue with the direct of parts of body.Wear protective gear will lead to
The inconvenience of worker's work, and the water meeting polluted source after white glue is cleaned, it needs to discharge after environmental protection treatment, increase at the later period
Manage cost.White glue passes through drying after moisture evaporation, and performance is influenced very greatly by environment temperature, humidity, and stability is poor；Using and
When guaranteeing the quality, to the more demanding of environment.
Summary of the invention
For the technical problems in the prior art, the object of the present invention is to provide a kind of sub- nylon wire bonding machines of piano key, should
Nylon wire bonding machine is applied to the viscous technique of the bushing made of hot melt adhesive film, be pressed in bushing using indentation hot-melting mechanism,
At the two sidewalls of lower hand hole and fusing hot melt adhesive film is heated, completes viscous work.
It is a further object of the present invention to provide a kind of piano key to glue technique, which replaces white glue,
Technical process is more environmentally-friendly, improves working environment, and use hot melt adhesive and bonding wood materials, adhesion stability is good.Using viscous
Bushing is pressed at the two sidewalls of upper and lower hand hole and is heated fusing hot melt adhesive film by the thermal head of machine, utilizes the viscous force of hot melt adhesive
By woollen goods and bonding wood materials, the viscous process of the upper and lower hand of piano key is completed.
In order to achieve the above object, the present invention adopts the following technical scheme:
The sub- nylon wire bonding machine of piano key, applied in the viscous technique of the bushing made of hot melt adhesive film, including feeding mechanism,
It is pressed into hot-melting mechanism and cutting knife；Indentation hot-melting mechanism is vertically installed；Feeding mechanism is vertically installed and corresponding upper and lower hand hole
Two sidewalls it is symmetrical be located at indentation hot-melting mechanism two sides, be used for vertical transport bushing；Cutting knife is mounted on indentation hot melt
The indentation end of mechanism, for cutting bushing.
Preferably, indentation hot-melting mechanism includes thermal head, driving cylinder and pressure bar；Pressure bar is vertically arranged, thermal head installation
In the lower end surface of pressure bar, hot pressing stick is electrically connected with external power supply；Driving cylinder is connect with pressure bar, drives pressure bar vertically up and down
Movement.
Preferably, thermal head includes vertical section and horizontal segment, horizontal segment be symmetrically distributed in the two sides of vertical section and with it is vertical
Section fitting, cutting knife are located at the other end of horizontal segment；The outer wall two sides of vertical section correspond to the two sidewalls of upper and lower hand hole, horizontal segment
The upper surface of corresponding upper and lower hand hole；Thermal head is mounted on lathe by pressure bar.After this structure, can simultaneously it is upper,
The two sidewalls of lower hand hole are viscous, and high-efficient and effect is good.
Preferably, feeding mechanism includes delivery sheet, gear, lower gear, upper roller, bottom roller and motor；In delivery sheet
On, the feed direction along delivery sheet is equipped with bushing channel；Upper and lower gear intermeshing, upper roller and bottom roller are set respectively
Gap between the front end of gear and lower gear, upper and lower idler wheel corresponds to the bushing channel of delivery sheet；Motor drives upper tooth
Wheel or lower gear rotation, upper and lower gear intermeshing transmission drive upper and lower idler wheel to roll, realize that bushing is passed along feed direction
It send.After this structure, transmission is steady controllable, by the length of the diameter and required bushing of idler wheel and gear, determines
The rotation duration of gear.
Preferably, idler wheel outer surface is equipped with microgroove；The hot melt adhesive film of bushing is contacted with bottom roller, woollen goods of bushing with
Bottom roller contact.After this structure, transmit process is effectively prevent to skid, since the distance that idler wheel rolls is in advance according to institute
It needs the length of bushing and sets, will lead to the curtailment of the bushing cut after skidding, and then lead to upper and lower hand hole
Viscous length is irregular, influences product quality.
Preferably, the two sidewalls that delivery sheet corresponds to upper and lower hand hole are symmetrically mounted on the two sides of indentation hot-melting mechanism, two sides
Delivery sheet is installed in " V " type is opposite, and thermal head is located at the surface of the delivery sheet of " V " type setting.
Preferably, the spacing between the vertical section of thermal head and upper and lower hand hole two sidewalls is 0.5cm.
Piano key glues technique, using bushing made of hot melt adhesive film and the sub- nylon wire bonding machine of above-mentioned piano key, glues
Processing step are as follows: bushing is placed in the bushing channel of two sides delivery sheet by a. in advance respectively, and thermal head is preheated, by middle seat board
Upper and lower hand hole adjust to immediately below thermal head, start motor；B. motor drives gear or lower gear rotation, upper and lower gear
Upper and lower idler wheel is driven to roll, upper and lower idler wheel drives bushing to transmit along bushing channel, and the upper and lower each rolling distance of idler wheel is
The viscous length of upper and lower hand hole；C. driving cylinder driving pressure bar moves downward, and pressure bar drives thermal head and is mounted on thermal head
Cutting knife move downward, during moving downward, cutting knife cuts bushing, and bushing is pressed into upper and lower by thermal head
In hand hole；D. thermal head stops in upper and lower hand hole, to melt hot melt adhesive film, woollen goods are bonded and pressed with upper and lower hand hole side wall
Tightly；Driving cylinder driving pressure bar moves upwards, and thermal head completes the viscous of a upper and lower hand hole far from upper and lower hand hole；E. defeated
It send and is moved to the following location directly that next upper and lower hand hole is located at thermal head with seat board in driving；F. step b-e is repeated.
Preferably, the type of hot melt adhesive film is PES, with a thickness of 0.12mm, and the temperature of thermal head is 190 DEG C.
Preferably, in step d, thermal head residence time in upper and lower hand hole is 10s.
The principle of the present invention is: using the hot melt principle of hot melt adhesive, processing hot melt adhesive film and woollen goods to obtain bushing, benefit
Hot melt adhesive film is heated with thermal head, using the viscous force of hot melt adhesive by woollen goods and bonding wood materials, completes the upper and lower hand of piano key
Viscous process.Hot melt adhesive is applied in woodwork bonding in a creative way, is cooperated with nylon wire bonding machine, realizes that machine automatization processing is viscous
Technique.
Generally speaking, the present invention has the advantage that
1. technique can effectively improve production efficiency, labor intensity of workers is reduced, the situation of production capacity deficiency is effectively solved.
The consistency for ensuring products with adhesive degree improves the stability of product quality.Pollution is reduced, working environment is improved.
2. replacing white glue using hot melt adhesive, the performance of hot melt adhesive is more stable, and bonding effect is good and avoids exhaust emission water
Matter.
3. nylon wire bonding machine is cooperated to realize that machine automatization processes viscous technique.Greatly improve production efficiency.
Detailed description of the invention
Fig. 1 is that nylon wire bonding machine is mounted on the partial schematic diagram on lathe.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of pressure bar and thermal head.
Fig. 4 is the structural schematic diagram of bushing.
Label and corresponding parts title in figure are as follows: 1 is thermal head, and 2 be pressure bar, and 3 be cutting knife, and 4 be delivery sheet,
5 be upper roller, and 6 be lower gear, and 7 be the upper plate of delivery sheet, and 8 be the lower plate of delivery sheet, and 9 be bushing, and 10 be upper and lower hand hole,
11 be middle seat board, and 12 be the vertical section of thermal head, and 13 be the horizontal segment of thermal head, and 14 be hot melt adhesive film, and 15 be woollen goods, and 16 be axis
Reel is served as a contrast, 17 be conveyer belt.
Specific embodiment
Below with reference to examples and drawings, the present invention will be further described in detail, but embodiments of the present invention are not
It is limited to this.
The sub- nylon wire bonding machine of piano key applied in the viscous technique of the bushing made of hot melt adhesive film and timber, including is sent
Expect mechanism, indentation hot-melting mechanism and cutting knife.Bushing includes woollen goods and hot melt adhesive film, when bushing glues, passes through indentation heat
Bushing is pressed onto viscous position by molten mechanism, and hot melt adhesive film is completed viscous between woollen goods and timber by fusing hot melt adhesive film
It closes.
In the present embodiment, the sub- nylon wire bonding machine of piano key is used in the viscous technique of the upper and lower hand hole of middle seat board.
Indentation hot-melting mechanism includes pressure bar, thermal head and driving cylinder, and thermal head includes integrally formed vertical section and water
Flat section, horizontal segment are symmetrically distributed in the two sides of vertical section, and the both ends of thermal head horizontal segment are respectively equipped with an edge of a knife and install downwards
Cutting knife；The outer wall two sides of vertical section correspond to the two sidewalls of upper and lower hand hole, and horizontal segment corresponds to the upper surface of upper and lower hand hole.Pressure
Along being vertically installed on lathe, thermal head is mounted on the lower end surface of pressure bar stick.Hot pressing stick is electrically connected with external power supply；Drive gas
Cylinder is connect with pressure bar, and driving pressure bar vertically moves up and down.
Feeding mechanism includes bottom roller and motor on four sections of delivery sheets, two groups of upper and lower gears, two groups, and idler wheel outer surface is set
There is microgroove.Every section of delivery sheet includes being connected with each other upper plate and lower plate, and bushing channel is equipped between upper plate and lower plate.Upper and lower rolling
Wheel intermeshing installation, upper roller and bottom roller are respectively provided at the front end of gear and lower gear, the gap between upper and lower idler wheel
The bushing channel of corresponding delivery sheet.Symmetrical be located in two sidewalls that delivery sheet corresponds to upper and lower hand hole is pressed into hot-melting mechanism two
The delivery sheet of side, two sides is installed in " V " type is opposite, and two sections of delivery sheets are installed in every side, pacify between two sections of delivery sheets of every side
Equipped with one group of upper and lower idler wheel, the hot melt adhesive film of bushing is contacted with bottom roller, and woollen goods of bushing are contacted with bottom roller.Motor
Gear or lower gear rotation are driven, every group of upper and lower gear intermeshing transmission drives upper and lower idler wheel to roll, realize bushing
Transmission.Thermal head is located at the surface of the delivery sheet of " V " type setting.When indentation state, the vertical section of thermal head and upper and lower hand
Spacing between the two sidewalls of hole is 0.5cm.
Lathe is equipped with the conveyer belt that is laterally arranged, for by the upper and lower hand hole of middle seat board be delivered to thermal head just under
Side.
Piano key glues technique, use type for PES, with a thickness of 0.12mm, hot melt adhesive film made of bushing and
The above-mentioned sub- nylon wire bonding machine of piano key glues processing step are as follows:
A. bushing reel is placed on lathe and puts one section of bushing in advance in bushing channel, it is ensured that upper and lower rolling
There are bushings between wheel；Thermal head is preheated to 190 DEG C, the upper and lower hand hole of middle seat board is delivered to hot pressing using conveyer belt
Immediately below head, start motor.
B. motor drives gear or lower gear rotation, and upper and lower gear intermeshing transmission, upper and lower gear drives upper and lower
Idler wheel rolls, and upper and lower idler wheel drives bushing to transmit along bushing channel, and the upper and lower each rolling distance of idler wheel is upper and lower hand hole
Viscous length.
C. driving cylinder driving pressure bar moves downward, and pressure bar drives thermal head and the cutting knife being mounted on thermal head downward
Movement, during moving downward, cutting knife cuts bushing, and the bushing cut is pressed into upper and lower hand hole by thermal head
In.
D. thermal head stops 10s in upper and lower hand hole, to melt hot melt adhesive film, bond woollen goods and upper and lower hand hole side wall
And it compresses；Driving cylinder driving pressure bar moves upwards, and thermal head completes the viscous of a upper and lower hand hole far from upper and lower hand hole.
E. seat board is moved to the underface that next upper and lower hand hole is located at thermal head in conveyer belt drive.
F. step b-e is repeated.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. the sub- nylon wire bonding machine of piano key, applied in the viscous technique of the bushing made of hot melt adhesive film, it is characterised in that: including
Feeding mechanism, indentation hot-melting mechanism and cutting knife；Indentation hot-melting mechanism is vertically installed；Feeding mechanism is vertically installed and is corresponded to
The two sidewalls of upper and lower hand hole are symmetrical to be located at indentation hot-melting mechanism two sides, is used for vertical transport bushing；Cutting knife is mounted on
It is pressed into the indentation end of hot-melting mechanism, for cutting bushing.
2. the sub- nylon wire bonding machine of piano key described in accordance with the claim 1, it is characterised in that: indentation hot-melting mechanism includes thermal head, drives
It takes offence cylinder and pressure bar；Pressure bar is vertically arranged, and thermal head is mounted on the lower end surface of pressure bar, and hot pressing stick is electrically connected with external power supply；It drives
Cylinder of taking offence is connect with pressure bar, and driving pressure bar vertically moves up and down.
3. the sub- nylon wire bonding machine of piano key according to claim 2, it is characterised in that: thermal head includes vertical section and horizontal segment,
Horizontal segment is symmetrically distributed in the two sides of vertical section and is bonded with vertical section, and cutting knife is located at the other end of horizontal segment；Vertical section
Outer wall two sides correspond to the two sidewalls of upper and lower hand hole, and horizontal segment corresponds to the upper surface of upper and lower hand hole；Thermal head is installed by pressure bar
On lathe.
4. the sub- nylon wire bonding machine of piano key according to claim 2, it is characterised in that: feeding mechanism include delivery sheet, gear,
Lower gear, upper roller, bottom roller and motor；On delivery sheet, the feed direction along delivery sheet is equipped with bushing channel；Upper,
Lower gear intermeshing, upper roller and bottom roller are respectively provided at the front end of gear and lower gear, the gap between upper and lower idler wheel
The bushing channel of corresponding delivery sheet；Motor drives gear or lower gear rotation, and upper and lower gear intermeshing transmission drives
Upper and lower idler wheel rolls, and realizes that bushing is transmitted along feed direction.
5. the sub- nylon wire bonding machine of piano key according to claim 4, it is characterised in that: idler wheel outer surface is equipped with microgroove；Bushing
Hot melt adhesive film contacted with bottom roller, woollen goods of bushing are contacted with bottom roller.
6. the sub- nylon wire bonding machine of piano key according to claim 4, it is characterised in that: delivery sheet corresponds to the two sides of upper and lower hand hole
Wall is symmetrically mounted on the two sides of indentation hot-melting mechanism, and the delivery sheet of two sides is installed in " V " type is opposite, and thermal head is located at " V " type and sets
The surface for the delivery sheet set.
7. the sub- nylon wire bonding machine of piano key described in accordance with the claim 3, it is characterised in that: the vertical section of thermal head and upper and lower hand hole
Spacing between two sidewalls is 0.5cm.
8. piano key glues technique, it is characterised in that: using any in bushing made of hot melt adhesive film and claim 1-7
The sub- nylon wire bonding machine of piano key described in glues processing step are as follows:
A. bushing is placed in the bushing channel of two sides delivery sheet in advance respectively, thermal head is preheated, by the upper and lower of middle seat board
Hand hole is adjusted to thermal head, starts motor；
B. motor drives gear or lower gear rotation, upper and lower gear that upper and lower idler wheel is driven to roll, and upper and lower idler wheel drives bushing
It is transmitted along bushing channel, the upper and lower each rolling distance of idler wheel is the viscous length of upper and lower hand hole；
C. driving cylinder driving pressure bar moves downward, and pressure bar drives thermal head and the cutting knife being mounted on thermal head to transport downwards
Dynamic, during moving downward, cutting knife cuts bushing, and bushing is pressed into upper and lower hand hole by thermal head；
D. thermal head stops in upper and lower hand hole, to melt hot melt adhesive film, woollen goods are bonded and compressed with upper and lower hand hole side wall；
Driving cylinder driving pressure bar moves upwards, and thermal head completes the viscous of a upper and lower hand hole far from upper and lower hand hole；
E. seat board is moved to the following location directly that next upper and lower hand hole is located at thermal head in conveyer belt drive；
F. step b-e is repeated.
9. piano key glues technique according to claim 8, it is characterised in that: the type of hot melt adhesive film is PES, thickness
For 0.12mm, the temperature of thermal head is 190 DEG C.
10. piano key glues technique according to claim 8, it is characterised in that: in step d, thermal head is in upper and lower hand
The residence time is 10s in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588882.2A CN109532045A (en) | 2018-12-25 | 2018-12-25 | The sub- nylon wire bonding machine of piano key and viscous technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588882.2A CN109532045A (en) | 2018-12-25 | 2018-12-25 | The sub- nylon wire bonding machine of piano key and viscous technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109532045A true CN109532045A (en) | 2019-03-29 |
Family
ID=65857954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811588882.2A Pending CN109532045A (en) | 2018-12-25 | 2018-12-25 | The sub- nylon wire bonding machine of piano key and viscous technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109532045A (en) |
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