CN106671332B - It is a kind of for producing the continuous pressing method of silkworm cocooning frame - Google Patents
It is a kind of for producing the continuous pressing method of silkworm cocooning frame Download PDFInfo
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- CN106671332B CN106671332B CN201710089705.9A CN201710089705A CN106671332B CN 106671332 B CN106671332 B CN 106671332B CN 201710089705 A CN201710089705 A CN 201710089705A CN 106671332 B CN106671332 B CN 106671332B
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- finished product
- silkworm
- mold
- upper mold
- silkworm frame
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/42—Moulds for making articles of definite length, i.e. discrete articles for undercut articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
- B29C2043/561—Compression moulding under special conditions, e.g. vacuum under vacuum conditions
- B29C2043/563—Compression moulding under special conditions, e.g. vacuum under vacuum conditions combined with mechanical pressure, i.e. mould plates, rams, stampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2012/00—Frames
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Present invention mainly discloses a kind of for producing the continuous pressing method of silkworm cocooning frame, and technical solution: including the following steps: 1) technological preparation, prepares suitable mold, material and technological parameter；2) feed work, and the raw material of specified quantity is added in charging box；3) precompressed of silkworm frame works；4) silkworm frame warm operation；5) silkworm frame is molded into；Designated position will be moved on lower platen, then top board moves down at lower platen, respectively by upper mold and lower mold movement close to each other, compression moulding；6) heating and thermal insulation；7) it demoulds, upper mold, lower mold, lower platen and top board is moved round about, are separated from each other；8) silkworm frame finished product detection, qualified product and rejected product are separated from each other, and counting is handled respectively.The method that the present invention uses two-way compacting, shaped article is high-quality, good evenness, and intensity is high, and qualification rate is high, is adapted to auto feed and automatically takes out finished product, and high degree of automation reduces manual labor amount.
Description
Technical field
The present invention relates to a kind of for producing the continuous pressing method of silkworm cocooning frame.
Background technique
Compression moulding (also known as compression molding or compression forming) is that powdery, granular or fibrous plastics are first put into molding
At a temperature of mold cavity in, then die closing pressurize and make its form and cured operation.Compression moulding can be used for thermosetting property
Plastics, thermoplastic and rubber material.The method of compression moulding makes the loss of raw material small, not will cause excessive loss,
The internal stress of finished product is very low, and also very little, mechanical performance are more stable for buckling deformation.The cost of molding equipment is lower, mold knot
Structure is simpler, and manufacturing expense is usually lower than injection mold or transfer molding mold.The shrinking percentage of finished product is small and repeated preferable,
The more mold of cavity quantity can be placed in a given template, productivity is high, is easy to implement specialized and automated production.
In the pressing process of silkworm frame, usually drive upper mold mobile by oil cylinder, the mode that lower mold remains stationary, which
It is easy to cause silkworm frame Density inhomogeneity up and down, influences product quality, is easy to cause product equal raw material extrusion die or feed supplement
Evenness is not high, and a generally compression moulding in the compacting of silkworm frame, and the pressure once suppressed is both from upper mold, to upper mold
What is had is more demanding, and the burden of upper mold is larger, and compacted density is uneven, so that the intensity of product is inadequate, compression moulding rate is not high,
Molding cycle in entire manufacture craft is longer, and low efficiency, mostly manual operation have biggish physical strength to disappear staff
Consumption.
Summary of the invention
It is an object of the invention to be directed to many deficiencies of the prior art, provide a kind of for producing the company of silkworm cocooning frame
Continuous drawing method, using the method for two-way compacting, shaped article is high-quality, good evenness, and intensity is high, and qualification rate is high, Ke Yishi
It answers auto feed and automatically takes out finished product, high degree of automation reduces manual labor amount.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
It is a kind of for producing the continuous pressing method of silkworm cocooning frame, include the following steps:
1) technological preparation
Suitable mold is selected according to design drawing, suitable rapidoprint is selected according to service performance, according to made production
The volume of product, amount of plastic needed for calculating molding；
2) feed work
Garbled raw material is added in charging box by control valve, the weighing apparatus in charging box calculates modeling be added
Doses, when reach appraise and decide numerical value after, close control valve, after the completion of charging, charging box is by the promotion of cylinder, along the rail of setting
Road is moved to prepressing device；
3) precompressed of silkworm frame works
After positioning device detects that charging box is moved at prepressing device, start outlet valve, raw material enters along discharge nozzle
Into pre-pressing die, the uninterrupted that metering valve calculates raw material output is opened simultaneously, control enters the raw material of prepressing device
Speed, the amount needed for the amount being added reaches one-pass molding, then starts prepressing device, raw material is first carried out precompressed, is formed
Silkworm frame green body；
4) silkworm frame warm operation
After setting preheating temperature, starts preheating device, silkworm frame green body is preheated；
5) silkworm frame is pressed and molded
A, pre-pressing die is moved at molding device along track, position detecting device detects that pre-pressing die reaches finger
Positioning postpones, and auxiliary oil cylinder starting, auxiliary oil cylinder drives lower platen to move up, until lower platen and pre-pressing die are in same level
On face；
B, the silkworm frame green body in step 4) is put into the lower mold of lower platen, silkworm frame green body matches with lower mold；
C, start master cylinder after the completion of filler, master cylinder is started to work, drive top board to move down, until top board with
Lower platen is in contact, and master cylinder stops working at this time, the first oil cylinder start to work, the first oil cylinder drive upper mold along guide post to
Lower movement, while the second oil cylinder drives lower mold to move up along guide post with speed identical with upper mold, makes in lower mold
Locating core be inserted into the location hole of upper mold so that between upper mold and lower mold formed sealing state sealing
Chamber；
D, vacuumizing and exhausting then is carried out to seal chamber, so that silkworm frame green body is in high vacuum state, then restarts first
Oil cylinder and the second oil cylinder make upper mold and upper mold relatively move, mutually compress, until pressure detector detect lower mold with it is upper
Pressure value between mold meets setting value, forms silkworm frame finished product, then stops pressurization；
6) heating and thermal insulation
Start the heating device on upper mold and lower mold, silkworm frame finished product is carried out under the holding temperature, pressure of setting
Heat preservation, pressure maintaining, solidification；For dimensionally stable after compressing product, intensity is improved, damage when preventing product stripping, it is desirable that have one
The fixed dwell time is kept for upper mold and lower each portion of mold static a period of time.
7) it demoulds
Gas vent is communicated with atmosphere, silkworm frame finished product is made to be returned to reset condition, then the first oil cylinder drives upper mold edge
Guide post move up, until upper mold is moved at top board, the second oil cylinder drives lower mold to move down along guide post, directly
It is moved at lower platen to lower mold, so that lower mold be made to be separated from each other with upper mold, then auxiliary oil cylinder drives lower platen downward
It is mobile, so that lower platen and lower mold return to initial position, to complete the demoulding of silkworm frame finished product；
8) silkworm frame finished product detection
Silkworm frame finished product is taken out from lower mold using clamping device, is put on conveyer belt, conveyer belt is by silkworm frame finished product
It detected, conveyed and is counted one by one, when detecting that finished product is undesirable, finished product is pushed into and is reprocessed on channel, passed through
It reprocesses band and is transported to underproof finished product and reprocess in case, qualified finished product is then pushed on product channel, passes through completed belt
Finished product is transported in finished product box, and stacking arranges upwards in turn in finished product box.
Further, before step 2), first raw material is screened, is introduced a material into vibrating screener, multi-deck screen is utilized
It selects plate to screen raw material, selects the identical plastics of partial size, and remove the impurity in raw material, improve the quality of raw material and pure
Degree.
Further, in the detection process, finished product moves on the conveyor belt, when finished product is moved at baffle, baffle at
Product are mobile, make product dwell in the front side of baffle, and the integrality of finished product is then detected by video camera, is examined by deformation-sensor
The curvature for surveying finished product, after the completion of detection, then opens baffle, and different access doors is opened according to the result of detection, makes finished product point
It does not enter and reprocesses on channel and product channel.
Further, finished product enters reprocess on channel after, reprocess the quantity that the counter on channel detects unqualified finished product,
After finished product enters on product channel, the counter on product channel detects the quantity of qualified finished product.
When further, under keeping warm mode, keeping temperature is 200~400 DEG C, and pressure is 80~120MPa, dwell time
For 5~10min.
Further, in the step c in step 5), the impulse stroke of top board is first set, when displacement sensor detects
To top board be moved to the stroke of setting after, master cylinder stops working.
The present invention is by adopting the above-described technical solution, have the advantages that
1, during charging, the raw material being added by weighing apparatus strict control, full-automation charging, charging is accurate, subtracts
Few manual labor amount reduces cost of labor, and raw material is avoided excessively to squeeze out or very few feed supplement, the uniformity of guarantee silkworm frame finished product,
By precompressed and preheating, preparatory processing first is carried out to raw material, mitigates the burden of later period molding, reduces the pressing time, guarantees silkworm frame
Finished product compression moulding degree is good, is effectively improved the structural behaviour of silkworm frame；
2, upper mold and lower mold move up and down in moving process along guide post, mobile to stablize, registration, and pass through
Locating core is connect with location hole, to carry out limit processing, cooperation precision is high, is prevented upper mold and lower mold from misplacing, is caused
Product compacting failure；Simultaneously by the double locking effect of top board and lower platen, upper mold and lower mold, ensure that in die cavity
Leakproofness, pressurization when raw material will not be extruded from the gap of mold and pressing plate, ensure that the uniformity of product, prevent from flying
Side, when the insufficient pressure between upper mold and lower mold, top board and lower platen can also be suppressed, to compensate upper mold
Pressure value between lower mold mitigates the pressure of upper mold and lower mold；
3, upper mold, lower mold, top board and lower platen all have individual power device, and each section is independently arranged, mutually
It does not interfere, so that compacting work is smooth, is convenient for control, is convenient in demoulding, is hardly damaged；Pass through upper mold and lower mold Bidirectional pressure
System, maintains the relative homogeneity of lower density on silkworm frame finished product, avoids phenomenon loose under the make-up of unidirectional pressing mode, and lead to
Vacuumize process is crossed, the intensity of compacting is improved, to form the silkworm frame finished product of high-density high-strength, the quality of molding silkworm frame finished product
It is high；
4, a pair of of a silkworm frame finished product is detected after the completion of suppressing, and underproof product is separated with qualified product, into
The different processing of row, avoids underproof product from being mixed into qualified products, and equal to qualified product and underproof product
It is counted, calculates the qualification rate of the product under the technique, and process modification is carried out based on this, to improve the qualification rate of product,
It reduces with product defective.
The method that the present invention uses two-way compacting, shaped article is high-quality, good evenness, and intensity is high, and qualification rate is high, can be with
It adapts to auto feed and automatically takes out finished product, high degree of automation reduces manual labor amount.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is that the present invention is a kind of for producing the flow chart of the continuous pressing method of silkworm cocooning frame；
Fig. 2 is the structural schematic diagram of silkworm cocooning frame made of the present invention；
Fig. 3 is the main view of silkworm cocooning frame made of the present invention；
Fig. 4 is the top view of silkworm cocooning frame made of the present invention.
In figure: 1, the first framework；2, second framework；3, reinforce partition；4, air hole；5, through slot；6, ventilation lattice coral.
Specific embodiment
As shown in Figure 1, a kind of being walked for producing the continuous pressing method of silkworm cocooning frame, including as follows to be of the invention
It is rapid:
1) technological preparation
Suitable mold is selected according to design drawing, suitable rapidoprint is selected according to service performance, according to made production
The volume of product, amount of plastic needed for calculating molding.
2) feed work
Raw material is screened, is introduced a material into vibrating screener, is screened raw material using multilayer screen plate, is selected
The identical plastics of partial size are selected, and remove the impurity in raw material, improve the quality and purity of raw material；Garbled raw material is passed through
Control valve is added in charging box, and weighing apparatus in charging box calculates amount of plastic be added, when reach appraise and decide numerical value after, close
Control valve, after the completion of charging, charging box is moved to prepressing device along the track of setting by the promotion of cylinder.It was feeding
Cheng Zhong, the raw material being added by weighing apparatus strict control, full-automation charging, charging is accurate, reduces manual labor amount, reduces people
Work cost.
3) precompressed of silkworm frame works
After positioning device detects that charging box is moved at prepressing device, start outlet valve, raw material enters along discharge nozzle
Into pre-pressing die, the uninterrupted that metering valve calculates raw material output is opened simultaneously, control enters the raw material of prepressing device
Speed, until the amount being added reach one-pass molding needed for amount, avoid raw material from excessively squeezing out or very few feed supplement, guarantee silkworm frame at
The uniformity of product, then starts prepressing device, and raw material is first carried out precompressed, forms silkworm frame green body.
4) silkworm frame warm operation
After setting preheating temperature, starts preheating device, silkworm frame green body is preheated.
By precompressed and preheating, preparatory processing first is carried out to raw material, mitigates the burden of later period molding, reduces the pressing time,
Guarantee that silkworm frame finished product compression moulding degree is good, is effectively improved the structural behaviour of silkworm frame.
5) silkworm frame is pressed and molded
A, pre-pressing die is moved at molding device along track, position detecting device detects that pre-pressing die reaches finger
Positioning postpones, and auxiliary oil cylinder starting, auxiliary oil cylinder drives lower platen to move up, until lower platen and pre-pressing die are in same level
On face；
B, the silkworm frame green body in step 4) is put into the lower mold of lower platen, silkworm frame green body matches with lower mold；
C, start master cylinder after the completion of filler, master cylinder is started to work, drive top board to move down, until top board with
Lower platen is in contact, and master cylinder stops working at this time, has concurrently set the impulse stroke of top board, when displacement sensor detects
Top board be moved to the stroke of setting after, master cylinder stops working；By the dual setting to master cylinder, master cylinder is improved
The quality of work.After master cylinder stops working, the first oil cylinder is started to work, and the first oil cylinder drives upper mold along guide post to moving down
It is dynamic, while the second oil cylinder drives lower mold to move up along guide post with speed identical with upper mold, makes to determine in lower mold
Position core is inserted into the location hole of upper mold, so that forming the seal chamber of sealing state between upper mold and lower mold；On
Mold and lower mold move up and down in moving process along guide post, mobile to stablize, registration, and pass through locating core and positioning
Hole connection, to carry out limit processing, cooperation precision is high, prevents upper mold and lower mold from misplacing, and leads to product compacting failure；
Simultaneously by the double locking effect of top board and lower platen, upper mold and lower mold, it ensure that the leakproofness in die cavity, adding
Raw material will not be extruded from the gap of mold and pressing plate when pressure, be ensure that the uniformity of product, prevented overlap.
D, vacuumizing and exhausting then is carried out to seal chamber, so that silkworm frame green body is in high vacuum state, then restarts first
Oil cylinder and the second oil cylinder make upper mold and upper mold relatively move, mutually compress, until pressure detector detect lower mold with it is upper
Pressure value between mold meets setting value, forms silkworm frame finished product, then stops pressurization.Upper mold, lower mold, top board and under
Pressing plate all has individual power device, and each section is independently arranged, and does not interfere with each other, so that compacting work is smooth, is convenient for control, takes off
Mould is convenient, is hardly damaged；When the insufficient pressure between upper mold and lower mold, top board and lower platen can also be pressed
System mitigates the pressure of upper mold and lower mold to compensate the pressure value between upper mold and lower mold.Pass through upper mold and lower die
Have two-way compacting, maintain the relative homogeneity of lower density on silkworm frame finished product, avoids loose under the make-up of unidirectional pressing mode
Phenomenon, and by vacuumize process, the intensity of compacting is improved, to form the silkworm frame finished product of high-density high-strength, molding silkworm frame
The quality of finished product is high.
6) heating and thermal insulation
Start the heating device on upper mold and lower mold, silkworm frame finished product is carried out under the holding temperature, pressure of setting
Heat preservation, pressure maintaining, solidification；When under keeping warm mode, keeping temperature is 200~400 DEG C, and pressure is 80~120MPa, dwell time
For 5~10min.For dimensionally stable after compressing product, intensity is improved, damage when preventing product stripping, it is desirable that have certain
Dwell time is kept for upper mold and lower each portion of mold static a period of time.
7) it demoulds
Gas vent is communicated with atmosphere, silkworm frame finished product is made to be returned to reset condition, then the first oil cylinder drives upper mold edge
Guide post move up, until upper mold is moved at top board, the second oil cylinder drives lower mold to move down along guide post, directly
It is moved at lower platen to lower mold, so that lower mold be made to be separated from each other with upper mold, then auxiliary oil cylinder drives lower platen downward
It is mobile, so that lower platen and lower mold return to initial position, to complete the demoulding of silkworm frame finished product.
8) silkworm frame finished product detection
Silkworm frame finished product is taken out from lower mold using clamping device, is put on conveyer belt, conveyer belt is by silkworm frame finished product
It detected, conveyed and is counted one by one, when detecting that finished product is undesirable, finished product is pushed into and is reprocessed on channel, passed through
It reprocesses band and is transported to underproof finished product and reprocess in case, qualified finished product is then pushed on product channel, passes through completed belt
Finished product is transported in finished product box, and stacking arranges upwards in turn in finished product box.In the detection process, finished product is on the conveyor belt
Mobile, when finished product is moved at baffle, baffle finished product is mobile, makes product dwell in the front side of baffle, then passes through camera shooting
Instrument detects the integrality of finished product, and the curvature of finished product is detected by deformation-sensor, after the completion of detection, then opens baffle, and according to
The result of detection opens different access doors, has respectively entered finished product and reprocesses on channel and product channel.Finished product, which enters, to be returned
After repairing on channel, the quantity that the counter on channel detects unqualified finished product is reprocessed, after finished product enters on product channel, finished product
Counter on channel detects the quantity of qualified finished product.A pair of of a silkworm frame finished product is detected after the completion of compacting, will be underproof
Product is separated with qualified product, is carried out different processing, is avoided underproof product from being mixed into qualified products, and to qualification
Product and underproof product counted, calculate under the technique product qualification rate, and based on this carry out technique change
Into to improve the qualification rate of product, reduction is with product defective.
As in Figure 2-4, using silkworm cocooning frame made of the above method include the first framework 1 and second framework 2, second
Framework 2 is located at the downside of the first framework 1, and the side of the first framework 1, which is equipped with, reinforces partition 3, uniformly opens between adjacent reinforcement partition 3
Equipped with air hole 4, the side of second framework 2 is equipped with through slot 5, and the bottom surface of the second framework 2 is equipped with netted ventilation lattice coral
6。
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (4)
1. a kind of for producing the continuous pressing method of silkworm cocooning frame, it is characterised in that include the following steps:
1) technological preparation
Suitable mold is selected according to design drawing, suitable rapidoprint is selected according to service performance, according to products made thereby
Volume, amount of plastic needed for calculating molding；
2) feed work
First raw material is screened, is introduced a material into vibrating screener, is screened raw material using multilayer screen plate, is selected
The identical plastics of partial size, and the impurity in raw material is removed, improve the quality and purity of raw material；Garbled raw material is passed through into control
Valve processed is added in charging box, and weighing apparatus in charging box calculates amount of plastic be added, when reach appraise and decide numerical value after, close control
Valve processed, after the completion of charging, charging box is moved to prepressing device along the track of setting by the promotion of cylinder；
3) precompressed of silkworm frame works
After positioning device detects that charging box is moved at prepressing device, start outlet valve, raw material enters pre- along discharge nozzle
In compression mould, the uninterrupted that metering valve calculates raw material output is opened simultaneously, control enters the speed of the raw material of prepressing device,
The amount needed for the amount being added reaches one-pass molding, then starts prepressing device, and raw material is first carried out precompressed, forms silkworm frame base
Body；
4) silkworm frame warm operation
After setting preheating temperature, starts preheating device, silkworm frame green body is preheated；
5) silkworm frame is pressed and molded
A, pre-pressing die is moved at molding device along track, position detecting device detects that pre-pressing die reaches specific bit
It postpones, auxiliary oil cylinder starting, auxiliary oil cylinder drives lower platen to move up, until lower platen and pre-pressing die are in same level
On；
B, the silkworm frame green body in step 4) is put into the lower mold of lower platen, silkworm frame green body matches with lower mold；
C, start master cylinder after the completion of filler, master cylinder is started to work, and top board is driven to move down, and up to top board and is pushed
Plate is in contact, and master cylinder stops working at this time, and the first oil cylinder is started to work, and the first oil cylinder drives upper mold along guide post to moving down
It is dynamic, while the second oil cylinder drives lower mold to move up along guide post with speed identical with upper mold, makes to determine in lower mold
Position core is inserted into the location hole of upper mold, so that forming the seal chamber of sealing state between upper mold and lower mold；
D, vacuumizing and exhausting then is carried out to seal chamber, so that silkworm frame green body is in high vacuum state, then restarts the first oil cylinder
With the second oil cylinder, upper mold and upper mold is made to relatively move, mutually compress, until pressure detector detects lower mold and upper mold
Between pressure value meet setting value, form silkworm frame finished product, then stop pressurization；
6) heating and thermal insulation
Start the heating device on upper mold and lower mold, silkworm frame finished product is kept the temperature under the holding temperature, pressure of setting,
Pressure maintaining, solidification；
7) it demoulds
Gas vent is communicated with atmosphere, silkworm frame finished product is made to be returned to reset condition, then the first oil cylinder drives upper mold along leading
Column moves up, until upper mold is moved at top board, the second oil cylinder drives lower mold to move down along guide post, until under
Mold is moved at lower platen, so that lower mold be made to be separated from each other with upper mold, then auxiliary oil cylinder drives lower platen to move down,
So that lower platen and lower mold return to initial position, to complete the demoulding of silkworm frame finished product；
8) silkworm frame finished product detection
Silkworm frame finished product is taken out from lower mold using clamping device, is put on conveyer belt, conveyer belt by silkworm frame finished product one by one
It detected, conveyed and is counted, when detecting that finished product is undesirable, finished product is pushed into and is reprocessed on channel, by reprocessing
Underproof finished product is transported to and reprocesses in case by band, and qualified finished product is then pushed on product channel, will be at by completed belt
Product are transported in finished product box, and stacking arranges upwards in turn in finished product box；
In the detection process, finished product moves on the conveyor belt, and when finished product is moved at baffle, baffle finished product is mobile, makes into
Product rest on the front side of baffle, and the integrality of finished product is then detected by video camera, and the song of finished product is detected by deformation-sensor
Degree, after the completion of detection, then opens baffle, and open different access doors according to the result of detection, has respectively entered finished product and return
It repairs on channel and product channel.
2. according to claim 1 a kind of for producing the continuous pressing method of silkworm cocooning frame, it is characterised in that: finished product
It enters after reprocessing on channel, reprocesses the quantity that the counter on channel detects unqualified finished product, finished product enters product channel
After upper, the counter on product channel detects the quantity of qualified finished product.
3. according to claim 1 a kind of for producing the continuous pressing method of silkworm cocooning frame, it is characterised in that: protecting
When under temperature state, keeping temperature is 200~400 DEG C, and pressure is 80~120MPa, and the dwell time is 5~10min.
4. according to claim 1 a kind of for producing the continuous pressing method of silkworm cocooning frame, it is characterised in that: in step
It is rapid 5) in step c in, the impulse stroke of top board is first set, when displacement sensor detects that being moved to for top board sets
After fixed stroke, master cylinder stops working.
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| CN109156436B (en) * | 2018-07-30 | 2024-02-20 | 嵊州陌桑高科股份有限公司 | Novel rectangular frame and manufacturing method thereof |
| CN109049583B (en) * | 2018-07-30 | 2023-12-29 | 嵊州陌桑高科股份有限公司 | Plastic frame for cultivation and continuous production method thereof |
| CN116148296B (en) * | 2023-04-19 | 2023-08-25 | 中国科学院过程工程研究所 | Detection method of automatic XRF detection integrated device for metal-containing solid materials |
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| CN204222059U (en) * | 2014-11-21 | 2015-03-25 | 南京伟熙光电科技发展有限公司 | A kind of FRP die for special purpose press |
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