CN117565298A - Corrosion-resistant rubber floor preparation device and method - Google Patents
Corrosion-resistant rubber floor preparation device and method Download PDFInfo
- Publication number
- CN117565298A CN117565298A CN202410063302.7A CN202410063302A CN117565298A CN 117565298 A CN117565298 A CN 117565298A CN 202410063302 A CN202410063302 A CN 202410063302A CN 117565298 A CN117565298 A CN 117565298A
- Authority
- CN
- China
- Prior art keywords
- corrosion
- material placing
- floor
- die
- frame
- 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.)
- Granted
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 73
- 230000007797 corrosion Effects 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 206
- 230000007246 mechanism Effects 0.000 claims abstract description 176
- 238000007731 hot pressing Methods 0.000 claims abstract description 59
- 238000000465 moulding Methods 0.000 claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000009471 action Effects 0.000 claims description 15
- 238000007790 scraping Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009408 flooring Methods 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- 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
- B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
-
- 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
-
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a corrosion-resistant rubber floor preparation device and a method, wherein the preparation device comprises floor molding mechanisms arranged at two sides of a hot molding mechanism, each floor molding mechanism is connected with a feeding mechanism in a transmission way, and comprises a plurality of material placing molds which are assembled on a rack in a sliding way; two adjusting type material limiting mechanisms are symmetrically arranged below each material placing die, the vertically adjacent adjusting type material limiting mechanisms on the same side are connected through a connecting rod, and the adjusting type material limiting mechanism positioned at the lowest side is connected with a first vertical driving piece; the preparation method utilizes the preparation device to prepare the rubber floor, and the upper end surface and the lower end surface of the rubber floor are respectively paved with a layer of material with corrosion resistance, and then hot pressing and vulcanization are carried out in a hot pressing die mechanism. The invention enables the corrosion-resistant layer and the rubber floor to be integrally formed, improves the corrosion resistance of the rubber floor, and avoids the falling-off condition of the corrosion-resistant layer. The invention is suitable for the technical field of corrosion-resistant rubber floor production and processing.
Description
Technical Field
The invention belongs to the technical field of rubber floor production and processing, and particularly relates to a device and a method for preparing a corrosion-resistant rubber floor.
Background
At present, in order to improve the service life of the rubber floor, two means are generally adopted, wherein the first means is to change the formula of the rubber floor to ensure that the components of the rubber floor are provided with corrosion resistant agents, the corrosion resistant agents are uniformly mixed in other raw material components, and then the rubber floor is subjected to hot press shaping and vulcanization to finally form a finished product; in order to ensure the performance of the rubber floor, the formula needs to be improved and optimized, and a great deal of cost and time are input. The second is that a layer of corrosion resistant layer is respectively stuck on the upper end face and the lower end face of the rubber floor, and the corrosion resistance of the rubber floor is improved through the corrosion resistant layer; the corrosion-resistant layer is adhered to the rubber floor in a non-integrated structure, so that the adhered part is easy to be separated. Therefore, there is a need for a corrosion-resistant rubber floor manufacturing apparatus for manufacturing a rubber floor having a corrosion-resistant layer, and integrating the corrosion-resistant layer with the rubber floor, improving the corrosion resistance of the rubber floor, and avoiding the occurrence of the falling-off of the corrosion-resistant layer.
Disclosure of Invention
The invention provides a device and a method for preparing a corrosion-resistant rubber floor, which are used for preparing a rubber floor with a corrosion-resistant layer, integrally forming the corrosion-resistant layer and the rubber floor, improving the corrosion resistance of the rubber floor and avoiding the falling-off of the corrosion-resistant layer.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the corrosion-resistant rubber floor preparation device comprises two floor molding mechanisms which are oppositely arranged at two sides of a hot-pressing mold mechanism, wherein each floor molding mechanism is in transmission connection with a feeding mechanism, each floor molding mechanism comprises a plurality of material placing molds which are vertically and uniformly arranged, the material placing molds are assembled on a frame in a sliding manner, each material placing mold can be driven to enter and exit the hot-pressing mold mechanism, and the material placing molds of the two floor molding mechanisms are staggered; two adjusting type material limiting mechanisms are symmetrically arranged below each material placing die, the vertically adjacent adjusting type material limiting mechanisms on the same side are connected through connecting rods, and the adjusting type material limiting mechanism located at the lowest side is connected with a first vertical driving piece.
Further, the material placing die comprises a movable bottom plate arranged in a material placing frame, a plurality of first guide rails are arranged on the frame at vertical intervals, each material placing frame is slidably arranged on the corresponding first guide rail, a transverse baffle is arranged at one end, far away from the hot pressing die mechanism, of the first guide rail, and a baffle edge extending inwards is arranged on the peripheral edge of the lower end of the material placing frame.
Further, the adjusting type material limiting mechanism comprises a plurality of elastic electromagnetic traction pieces which are arranged on the assembly seat along the guide interval of the first guide rail, each elastic electromagnetic traction piece corresponds to one side of the lower end of the movable bottom plate, and the assembly seat is detachably connected with the end part of the connecting rod or the output end of the first vertical driving piece.
Further, the elastic electromagnetic traction piece comprises a connecting sleeve, the lower end of the connecting sleeve is detachably connected with the assembly seat, a connecting spring is arranged in the connecting sleeve, the lower end of the movable rod movably stretches into the connecting sleeve, two ends of the connecting spring are fixedly connected with the lower end of the movable rod and the lower end of the connecting sleeve respectively, and a disc electromagnet is arranged at the upper end of the movable rod.
Further, the feeding mechanism comprises a plurality of feeding units which are vertically and uniformly arranged on the fixed seat, each feeding unit comprises a mounting frame, a first shaft rod and a second shaft rod are rotatably connected in the mounting frame along the guiding interval of the first guide rail, the first shaft rod is close to the fixed seat, a first driving roller is coaxially arranged on the first shaft rod, a second driving roller is coaxially arranged on the second shaft rod, and the first driving roller and the second driving roller are in driving connection with the conveying belt; the driving wheels are coaxially arranged at one end of the first shaft rod and are in transmission connection through a transmission belt, a driving motor is arranged on the fixing seat, and an output shaft of the driving motor is coaxially connected with one of the first shaft rods.
Further, an overflow preventing edge extending outwards and obliquely upwards is respectively constructed on the mounting frame and positioned on two sides of the conveying belt, a scraping plate is constructed at one end, far away from the fixed seat, of the mounting frame, the lower end of the scraping plate is lower than the lower end of the mounting frame, and a discharge hole is formed between the scraping plate and the overflow preventing edge.
Further, transmission gears are respectively assembled at two ends of the second shaft, transmission racks are respectively fixed at two sides of the material placing frame, the transmission racks extend along the guide of the first guide rail, and the transmission gears are arranged at the lower ends of the corresponding transmission racks and are meshed with the corresponding transmission racks.
Further, the hot press die mechanism comprises a plurality of second guide rails which are arranged on the frame along the vertical interval, the second guide rails are arranged in one-to-one correspondence with the first guide rails, hot press templates are arranged above the second guide rails, adjusting rods are symmetrically arranged on two sides of the frame, each adjusting rod vertically penetrates through the side edges of each hot press template in sequence, the lower end of each adjusting rod is connected with the output end of a second vertical driving piece, locking nuts are respectively arranged on the adjusting rods and located at the upper end and the lower end of each hot press template, and each locking nut is connected to the adjusting rods in a threaded mode.
Further, the hot pressing template comprises an assembly plate, the lower end of the assembly plate is fixedly connected with a hot pressing block, an electric heating wire is arranged in the hot pressing block, connecting lugs are symmetrically constructed on two sides of the assembly plate, an adjusting rod penetrates through the corresponding connecting lugs, and a locking nut is locked on the corresponding end face of the connecting lugs.
The invention also discloses a method for preparing the corrosion-resistant rubber floor by using the device, which comprises the following steps:
step1, driving two floor molding mechanisms to a feeding station, and fixing the floor molding mechanisms with a frame;
step2, controlling the action of the adjusting type material limiting mechanism to enable the depths of a plurality of material placing moulds on the floor molding mechanism to be synchronously adjusted to a preset value;
step3, synchronously supplying corrosion-resistant materials into each material placing die through a feeding mechanism;
step4, then, controlling the action of the adjusting type material limiting mechanism to enable the depth of the plurality of material placing moulds on the floor molding mechanism to be synchronously adjusted downwards;
step5, synchronously supplying the basic materials into each material placing die through a feeding mechanism;
step6, then, controlling the action of the adjusting type material limiting mechanism to enable the depth of the plurality of material placing moulds on the floor molding mechanism to be synchronously adjusted downwards;
step7, synchronously supplying the corrosion-resistant materials into each material placing die through a feeding mechanism until the corrosion-resistant materials are leveled to the upper port of the material placing die;
step8, releasing the fixation of the frame and the floor molding mechanism, fixing the feeding mechanism and the frame, controlling the feeding mechanism to act, so that all the feeding molds are driven to synchronously move towards the hot molding mechanism and enter the hot molding mechanism;
step9, controlling the action of the hot-pressing die mechanism, so that the hot-pressing die mechanism synchronously presses all materials in the material placing die, and forming a rubber floor with corrosion-resistant layers at the upper end and the lower end;
step10, after the hot pressing is finished, controlling the hot pressing die mechanism to return, and controlling the feeding mechanism to act, so that all the material placing dies are driven to synchronously leave the hot pressing die mechanism;
step11, controlling the action of the adjusting type material limiting mechanism to enable the adjusting type material limiting mechanism to eject the rubber floors in all the material placing molds, transferring the ejected rubber floors onto a material placing frame for cooling, and completing batch processing of the rubber floors at one time;
step12, then, driving the two floor molding mechanisms to the feeding stations, controlling the feeding mechanisms to synchronously supply corrosion-resistant materials into each feeding mold, repeating the steps Step4-Step11, and carrying out batch processing on the rubber floors next time.
Compared with the prior art, the invention adopts the structure, and the technical progress is that: according to the invention, different materials are conveyed into each material placing mould through the feeding mechanism, so that the materials in the material placing mould are divided into three layers, an upper layer and a lower layer are made of uniform corrosion-resistant materials, and a layer in the middle is made of rubber floor preparation raw materials; then, conveying the material placing die into a hot pressing die mechanism, and synchronously hot pressing all materials in the material placing die by the hot pressing die mechanism to enable the materials in the material placing die to be hot pressed and molded, and completing vulcanization within a preset time, so that the upper end and the lower end of the rubber floor form corrosion-resistant layers, and carrying out corrosion-resistant treatment on the rubber floor in the mode, so that the connection strength and the stability of the rubber floor and the corrosion-resistant layers are improved; then, the material placing die is pulled out of the hot pressing die mechanism through the transmission of the feeding mechanism, and then the rubber floor in the material placing die is ejected out through the adjusting type material limiting mechanism so as to facilitate subsequent taking and transferring; in summary, the preparation device and the preparation method can be used for efficiently preparing the rubber floor with the corrosion-resistant layer, and the corrosion-resistant layer and the rubber floor are integrally formed, so that the corrosion resistance of the rubber floor is improved, and the situation that the corrosion-resistant layer falls off is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of a driving connection between a floor molding mechanism and a feeding mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic view of a floor molding mechanism according to an embodiment of the present invention connected to a first vertical driving member;
fig. 4 is a schematic structural diagram of the connection of the frame, the material placing mold, the adjusting material limiting mechanism, the first vertical driving piece and the connecting rod in the embodiment of the invention;
FIG. 5 is a schematic diagram of a structure of a material placing die connected with a transmission rack according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a structure of a split material frame and a movable bottom plate in a material placing mold according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a connection between an adjusting material limiting mechanism and a first vertical driving piece according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of the connection between the assembly seat and the plurality of elastic electromagnetic traction members in the adjustable material limiting mechanism according to the embodiment of the present invention;
FIG. 9 is an axial structural cross-sectional view of an elastic electromagnetic traction member according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of a feeding mechanism according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a feeding unit in a feeding mechanism according to an embodiment of the present invention;
FIG. 12 is a cross-sectional view of a transverse structure of a feeding unit in a feeding mechanism according to an embodiment of the present invention;
FIG. 13 is a schematic view of a hot press die mechanism according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a hot press die plate and two adjusting rods connected in a hot press die mechanism according to an embodiment of the present invention.
Marking parts: 100-frame, 101-mounting base, 102-first connecting riser, 103-first guide rail, 104-transverse baffle, 105-second connecting riser, 106-second guide rail, 200-material placing die, 201-material placing frame, 202-movable bottom plate, 203-guide strip, 204-transmission rack, 205-baffle edge, 300-adjusting material limiting mechanism, 301-assembly seat, 302-disc electromagnet, 303-movable rod, 304-connecting sleeve, 305-connecting spring, 400-feeding mechanism, 401-fixing seat, 402-mounting frame, 403-overflow preventing edge, 404-first shaft, 405-second shaft, 406-first transmission roller, 407-second transmission roller, 408-transmission belt, 409-scraper, 410-material outlet, 411-transmission gear, 412-transmission wheel, 413-driving motor, 414-transmission belt, 500-hot pressing die plate, 501-assembly plate, 502-connecting lug, 503-hot pressing block, 600-first vertical driving piece, 700-connecting rod, 800-second vertical driving piece, 900-adjusting rod, 900-locking nut.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are presented for purposes of illustration and explanation only and are not intended to limit the present invention.
The invention discloses a corrosion-resistant rubber floor preparation device, which is shown in fig. 1-14 and comprises a hot press die mechanism, two floor molding mechanisms and two feeding mechanisms 400. Wherein, two floor molding mechanisms are oppositely arranged at two sides of the hot press molding mechanism, two feeding mechanisms 400 are arranged in one-to-one correspondence with the two floor molding mechanisms, and each floor molding mechanism is in transmission connection with the corresponding feeding mechanism 400. The floor molding mechanism of the invention comprises a plurality of material placing molds 200, wherein the material placing molds 200 are uniformly arranged along the vertical direction, the material placing molds 200 are all assembled on the frame 100 in a sliding way, each material placing mold 200 can be driven to enter and exit the hot pressing mold mechanism, and the material placing molds 200 of the two floor molding mechanisms are staggered. According to the invention, two adjusting type material limiting mechanisms 300 are symmetrically arranged below each material placing die 200, the vertically adjacent adjusting type material limiting mechanisms 300 on the same side are connected through a connecting rod 700, and the adjusting type material limiting mechanism 300 positioned at the lowest side is connected with a first vertical driving piece 600. The working principle and the advantages of the invention are as follows: according to the invention, different materials are conveyed into each material placing die 200 through the feeding mechanism 400, so that the materials in the material placing die 200 are divided into three layers, the upper layer and the lower layer are made of uniform corrosion-resistant materials, and the middle layer is made of rubber floor preparation raw materials; then, the material placing die 200 is conveyed into a hot pressing die mechanism, the hot pressing die mechanism carries out synchronous hot pressing on all materials in the material placing die 200, so that the materials in the material placing die 200 are formed in a hot pressing mode, vulcanization is completed within a preset time, the upper end and the lower end of the rubber floor form corrosion-resistant layers, and in addition, the rubber floor is subjected to corrosion-resistant treatment in the mode, so that the connection strength and the stability of the rubber floor and the corrosion-resistant layers are improved; then, the material placing die 200 is pulled out of the hot pressing die mechanism through the transmission of the feeding mechanism 400, and then the rubber floor in the material placing die 200 is ejected out through the adjusting type material limiting mechanism 300 so as to facilitate the subsequent taking and transferring; in summary, the preparation device and the preparation method can be used for efficiently preparing the rubber floor with the corrosion-resistant layer, and the corrosion-resistant layer and the rubber floor are integrally formed, so that the corrosion resistance of the rubber floor is improved, and the situation that the corrosion-resistant layer falls off is avoided.
As a preferred embodiment of the present invention, as shown in fig. 3 to 6, the placement mold 200 includes a placement frame 201 and a movable bottom plate 202, wherein the movable bottom plate 202 is installed in the placement frame 201, a plurality of first guide rails 103 are constructed on the frame 100, the first guide rails 103 are fixed to the frame 100 by a plurality of first connecting risers 102, and the lower end of each first connecting riser 102 is fixed to the installation base 101 of the frame 100, the first guide rails 103 of the present embodiment are disposed at intervals in the vertical direction, guide bars 203 are symmetrically constructed at both sides of the placement frame 201, the guide direction of the guide bars 203 is the same as the guide direction of the first guide rails 103, and each placement frame 201 is slidably connected to the corresponding first guide rail 103 by the guide bars 203. In this embodiment, a transverse baffle 104 is configured at one end of the first guide rail 103 away from the hot die mechanism, and an inwardly extending baffle edge 205 is configured on the peripheral edge of the lower end of the material placing frame 201. The working principle and the advantages of the embodiment are as follows: when feeding the material placing die 200, one end of the material placing frame 201 is firstly abutted against the transverse baffle plate 104, and the transverse baffle plate 104 and the material placing frame 201 are fixed in an electromagnetic adsorption mode, namely, an electromagnet is arranged in the transverse baffle plate 104, and the transverse baffle plate 104 is connected with the material placing frame 201 through electrifying the electromagnet; and then controlling the adjusting type material limiting mechanisms 300 to adsorb the corresponding movable bottom plates 202, and driving each adjusting type material limiting mechanism 300 to synchronously descend by a certain distance through the first vertical driving piece 600, wherein the distance is determined by pulling the movable bottom plates 202 downwards, namely according to the thickness of the rubber floor to be manufactured, and is 1-1.2 times of the thickness of the rubber floor to be manufactured, so that raw materials are gradually compacted in the subsequent compression molding process, and finally the required rubber floor is obtained. Then the feeding mechanism 400 is controlled to uniformly convey the corrosion-resistant material to the bottom of the mold cavity of the material placing mold 200; then, the first vertical driving piece 600 is controlled to continuously drive each adjustable material limiting mechanism 300 to synchronously descend for a certain distance, the distance mainly separates the adjustable material limiting mechanism 300 from the movable bottom plate 202, and a knocking gap is formed between the adjustable material limiting mechanism 300 and the movable bottom plate 202, so that the adjustable material limiting mechanism 300 is controlled to intermittently knock the movable bottom plate 202 in a follow-up manner, and materials entering the material placing die 200 are gradually compacted. Then the feeding mechanism 400 is controlled to uniformly convey the rubber floor preparation raw materials into the die cavity of the material placing die 200; then, the first vertical driving piece 600 is controlled to continuously drive each adjusting type material limiting mechanism 300 to synchronously descend, so that the movable bottom plate 202 is abutted on the blocking edge 205, and then the feeding mechanism 400 is controlled to uniformly convey the corrosion-resistant material to the top of the die cavity of the material placing die 200; after the material conveying is finished, the feeding mechanism 400 is fixed with the frame 100, the fixation of the transverse baffle 104 and the material placing frame 201 is released, and the feeding mechanism 400 is controlled to act so as to drive the material placing frame 201 to move along the first guide rail 103 and gradually enter the hot press die mechanism for later hot pressing and vulcanization processes.
As a preferred embodiment of the present invention, as shown in fig. 3 and 7-9, the adjustable material limiting mechanism 300 includes a mounting base 301 and a plurality of elastic electromagnetic traction members. The plurality of elastic electromagnetic traction members are mounted on the mounting base 301, and the elastic electromagnetic traction members are disposed along the guiding space of the first guide rail 103, each elastic electromagnetic traction member is correspondingly disposed on one side of the lower end of the movable bottom plate 202, and the mounting base 301 is detachably connected with the end of the connecting rod 700 or the output end of the first vertical driving member 600. The elastic electromagnetic traction member has a specific structure that the elastic electromagnetic traction member comprises a connecting sleeve 304, a movable rod 303, a disc-shaped electromagnet 302 and a connecting spring 305. Wherein, the lower extreme of adapter sleeve 304 is in the same place with the detachable connection of assembly seat 301, and connecting spring 305 sets up in adapter sleeve 304, and the lower extreme activity of movable rod 303 stretches into in the adapter sleeve 304, and the both ends of connecting spring 305 are fixed connection with the lower extreme of movable rod 303 and the lower extreme of adapter sleeve 304 respectively moreover, and disc electromagnet 302 installs the upper end at movable rod 303. The working principle and the advantages of the embodiment are as follows: before the material placing die 200 is placed in the material placing die, the disc-shaped electromagnet 302 is electrified to be adsorbed on the movable bottom plate 202, and then the first vertical driving piece 600 is controlled to drive each adjusting material limiting mechanism 300 to move downwards, so that the movable bottom plate 202 moves downwards gradually until the movable bottom plate moves to a preset position; when the feeding mechanism 400 is used for feeding, the disc-shaped electromagnets 302 are intermittently attracted to and separated from the movable bottom plate 202, so that the disc-shaped electromagnets 302 can be used for reciprocating knocking of the movable bottom plate 202, the movable bottom plate 202 can vibrate, materials entering the die cavity can be uniform and compact, and the quality of products after subsequent hot pressing and vulcanization can be improved. After the hot pressing and vulcanizing are finished, the material placing die 200 is driven by the material receiving mechanism to leave the hot pressing die mechanism and return, and then the first vertical driving piece 600 is controlled to drive each adjusting material limiting mechanism 300 to move upwards, so that the movable bottom plate 202 moves upwards gradually until the movable bottom plate 202 ejects the rubber floor in the die cavity.
As a preferred embodiment of the present invention, as shown in fig. 2, 5, and 10-12, the loading mechanism 400 includes a holder 401 and a plurality of feeding units uniformly installed on the holder 401 in a vertical direction. Wherein, the feeding unit includes a mounting frame 402, a first shaft lever 404 and a second shaft lever 405 are rotatably connected in the mounting frame 402, and the first shaft lever 404 and the second shaft lever 405 are disposed along a guiding interval of the first rail 103. The first shaft lever 404 of the present embodiment is provided at a side near the fixed seat 401, a first driving roller 406 overlapping with the axis thereof is fitted on the first shaft lever 404, a second driving roller 407 overlapping with the axis thereof is fitted on the second shaft lever 405, and the first driving roller 406 and the second driving roller 407 are in driving connection with the conveying belt 408. In this embodiment, a driving wheel 412 coinciding with the axis of the first shaft rod 404 is installed at one end of the first shaft rod 404, these driving wheels 412 are connected in a driving manner by a driving belt 414, a driving motor 413 is installed on the fixing seat 401, and an output shaft of the driving motor 413 is coaxially connected with one of the first shaft rods 404. In this embodiment, in order to avoid the material conveyed by the conveying belt 408 from separating from both sides of the conveying belt 408, measures are taken in that overflow preventing edges 403 are respectively configured on the mounting frame 402 and located on both sides of the conveying belt 408, and each overflow preventing edge 403 extends outwards and obliquely upwards; a scraper 409 is formed at an end of the mounting frame 402 away from the holder 401, a lower end of the scraper 409 is lower than the lower end of the mounting frame 402, and a discharge port 410 is formed between the scraper 409 and the overflow preventing edge 403. In this embodiment, the two ends of the second shaft 405 are respectively equipped with a transmission gear 411, two sides of the material placing frame 201 are respectively fixed with a transmission rack 204, the transmission racks 204 extend along the guiding direction of the first guide rail 103, and the transmission gears 411 are disposed at the lower ends of the corresponding transmission racks 204 and are engaged with each other. The working principle and the advantages of the embodiment are as follows: when feeding, the driving motor 413 is controlled to rotate forward, so that one end of the material conveying unit, which is far away from the fixing seat 401, extends to the position above one end of the material placing die 200, which is close to the hot die mechanism, and the material placing die 200 is magnetically attracted with the transverse baffle 104 on the frame 100, and then the material is gradually supplied to the conveying belt 408, and meanwhile, the driving motor 413 is controlled to rotate reversely, so that the conveying belt 408 gradually supplies the material into the die cavity through the material outlet 410; meanwhile, the transmission gear 411 rotates along with the second shaft 405 and walks on the transmission rack 204, so that the material conveying unit gradually retreats and gradually and uniformly supplies materials into the die cavity along the guide of the first guide rail 103, and the scraping plate 409 scrapes the materials in the die cavity in the process of moving the material conveying unit, so that the uniformity of the materials in the die cavity is ensured. After the feeding is finished, fixing the fixing seat 401 with the frame 100, releasing the fixing of the material placing die 200 with the frame 100, and controlling the driving motor 413 to act, so that the driving gear 411 drives the driving rack 204 to drive the material placing die 200 to move towards the hot press die mechanism until the material placing die 200 enters a preset position of the hot press die mechanism; after the hot pressing and vulcanization are finished, the driving motor 413 is controlled to drive the transmission gear 411 to reversely rotate, so that the transmission rack 204 drives the material placing die 200 to gradually leave the hot pressing die mechanism and return to the material loading level, and finally the adjusting material limiting mechanism 300 is controlled to eject the rubber floor in the material placing die 200.
As a preferred embodiment of the present invention, as shown in fig. 13 and 14, the hot press mold mechanism includes a plurality of second rails 106 installed on the frame 100 at vertical intervals, the second rails 106 being disposed in one-to-one correspondence with the first rails 103, and the second rails 106 continuing with the corresponding first rails 103, a plurality of second connection risers 105 being installed on the frame 100, the second connection risers 105 being fixedly connected with the second rails 106, and the lower ends of the second connection risers 105 being fixedly installed on the installation base 101. In this embodiment, a hot pressing die plate 500 is disposed above each second guide rail 106, adjusting rods 900 are symmetrically disposed on two sides of the frame 100, each adjusting rod 900 sequentially passes through the side edges of each hot pressing die plate 500 along the vertical direction, the lower end of each adjusting rod 900 is connected with the output end of the second vertical driving member 800, lock nuts 901 are respectively disposed on the adjusting rod 900 and at the upper and lower ends of each hot pressing die plate 500, each lock nut 901 is in threaded connection with the adjusting rod 900, and the first vertical driving member 600 and the second vertical driving member 800 in this embodiment may be an air cylinder or a hydraulic cylinder. The hot pressing die plate 500 of the embodiment comprises a mounting plate 501 and a hot pressing block 503, wherein the lower end of the mounting plate 501 is fixedly connected with the hot pressing block 503, and an electric heating wire is arranged in the hot pressing block 503. In this embodiment, the connecting lugs 502 are symmetrically configured at two sides of the mounting plate 501, the adjusting rod 900 passes through the corresponding connecting lugs 502, and the locking nut 901 is locked on the corresponding end surface of the connecting lug 502. The working principle and the advantages of the embodiment are as follows: the feeding mechanism 400 drives the material placing die 200 into the hot pressing die mechanism, namely, the material placing die 200 moves onto the second guide rail 106 from the first guide rail 103 until the material placing die 200 moves to the lower end of the hot pressing die plate 500, the second vertical driving piece 800 drives the adjusting rod 900 to move downwards, so that the adjusting rod 900 drives all the hot pressing die plates 500, and further, the hot pressing blocks 503 on the hot pressing die plate 500 are used for hot pressing materials in the corresponding material placing die 200, the materials in the material placing die 200 are gradually pressed and molded through the pressing and heating of the hot pressing blocks 503, and heat gradually permeates into all parts of the materials, and after a period of time, the materials in the die cavity are gradually molded and vulcanized, so that the required rubber floor with the corrosion-resistant layer is formed.
The invention also discloses a method for preparing the corrosion-resistant rubber floor by using the device, which comprises the following steps:
step1, driving two floor molding mechanisms to a feeding station, and fixing the floor molding mechanisms with the frame 100;
step2, controlling the action of the adjusting type material limiting mechanism 300 to enable the depth of the plurality of material placing moulds 200 on the floor molding mechanism to be synchronously adjusted to a preset value;
step3, synchronously supplying corrosion-resistant materials into each material placing die 200 through the feeding mechanism 400;
step4, then, controlling the action of the adjusting type material limiting mechanism 300 to enable the depth of the plurality of material placing moulds 200 on the floor molding mechanism to be synchronously adjusted downwards;
step5, synchronously supplying the basic materials into each material placing die 200 through the feeding mechanism 400;
step6, then, controlling the action of the adjusting type material limiting mechanism 300 to enable the depth of the plurality of material placing moulds 200 on the floor molding mechanism to be synchronously adjusted downwards;
step7, synchronously supplying the corrosion-resistant materials into each material placing die 200 through the feeding mechanism 400 until the corrosion-resistant materials are leveled to the upper port of the material placing die 200;
step8, releasing the fixation of the frame 100 and the floor molding mechanism, fixing the feeding mechanism 400 and the frame 100, controlling the feeding mechanism 400 to act, so that all the material placing molds 200 are driven to synchronously move towards the hot molding mechanism and enter the hot molding mechanism;
step9, controlling the action of the hot-pressing die mechanism, so that the hot-pressing die mechanism synchronously presses all materials in the material placing die 200, and forming a rubber floor with corrosion-resistant layers at the upper end and the lower end;
step10, after the hot pressing is finished, controlling the hot pressing die mechanism to return, and controlling the feeding mechanism 400 to act so as to drive all the material placing dies 200 to synchronously leave the hot pressing die mechanism;
step11, controlling the action of the adjusting type material limiting mechanism 300 to enable the adjusting type material limiting mechanism to eject the rubber floors in the material placing molds 200, transferring the ejected rubber floors onto a material placing frame for cooling, and completing batch processing of the rubber floors at one time;
step12, then, driving the two floor molding mechanisms to the feeding stations, controlling the feeding mechanisms to synchronously supply corrosion-resistant materials into each feeding mold, repeating the steps Step4-Step11, and carrying out batch processing on the rubber floors next time.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a corrosion-resistant rubber floor preparation facilities which characterized in that: the floor molding mechanism comprises a plurality of material placing molds which are uniformly arranged along the vertical direction, the material placing molds are assembled on a frame in a sliding way, each material placing mold can be driven to enter and exit the hot molding mechanism, and the material placing molds of the two floor molding mechanisms are staggered; two adjusting type material limiting mechanisms are symmetrically arranged below each material placing die, the vertically adjacent adjusting type material limiting mechanisms on the same side are connected through connecting rods, and the adjusting type material limiting mechanism located at the lowest side is connected with a first vertical driving piece.
2. The corrosion-resistant rubber floor preparation device according to claim 1, wherein: the material placing die comprises a movable bottom plate arranged in a material placing frame, a plurality of first guide rails are arranged on the frame at vertical intervals, each material placing frame is slidably arranged on the corresponding first guide rail, a transverse baffle is arranged at one end, far away from the hot pressing die mechanism, of the first guide rail, and a baffle edge extending inwards is arranged on the peripheral edge of the lower end of the material placing frame.
3. The corrosion-resistant rubber floor preparation device according to claim 2, wherein: the adjusting type material limiting mechanism comprises a plurality of elastic electromagnetic traction pieces which are arranged on an assembly seat along the guide interval of a first guide rail, each elastic electromagnetic traction piece corresponds to one side of the lower end of the movable bottom plate, and the assembly seat is detachably connected with the end part of the connecting rod or the output end of the first vertical driving piece.
4. A corrosion-resistant rubber floor preparation device according to claim 3, characterized in that: the elastic electromagnetic traction piece comprises a connecting sleeve, the lower end of the connecting sleeve is detachably connected with the assembly seat, a connecting spring is arranged in the connecting sleeve, the lower end of the movable rod movably stretches into the connecting sleeve, two ends of the connecting spring are fixedly connected with the lower end of the movable rod and the lower end of the connecting sleeve respectively, and a disc electromagnet is arranged at the upper end of the movable rod.
5. The corrosion-resistant rubber floor preparation device according to claim 2, wherein: the feeding mechanism comprises a plurality of feeding units which are vertically and uniformly arranged on a fixed seat, each feeding unit comprises a mounting frame, a first shaft rod and a second shaft rod are rotatably connected in the mounting frame along the guide interval of a first guide rail, the first shaft rod is close to the fixed seat, a first driving roller is coaxially arranged on the first shaft rod, a second driving roller is coaxially arranged on the second shaft rod, and the first driving roller and the second driving roller are in transmission connection with a transmission belt; the driving wheels are coaxially arranged at one end of the first shaft rod and are in transmission connection through a transmission belt, a driving motor is arranged on the fixing seat, and an output shaft of the driving motor is coaxially connected with one of the first shaft rods.
6. The corrosion-resistant rubber floor preparation device according to claim 5, wherein: the overflow preventing edges extending outwards and obliquely upwards are respectively constructed on the mounting frame and positioned on two sides of the conveying belt, the scraping plate is constructed at one end, far away from the fixed seat, of the mounting frame, the lower end of the scraping plate is lower than the lower end of the mounting frame, and a discharge hole is formed between the scraping plate and the overflow preventing edges.
7. The corrosion-resistant rubber floor preparation device according to claim 5, wherein: the two ends of the second shaft rod are respectively provided with a transmission gear, two sides of the material placing frame are respectively fixed with a transmission rack, the transmission racks extend along the guide of the first guide rail, and the transmission gears are arranged at the lower ends of the corresponding transmission racks and are meshed with the corresponding transmission racks.
8. The corrosion-resistant rubber floor preparation device according to claim 2, wherein: the hot press die mechanism comprises a plurality of second guide rails which are arranged on the frame at vertical intervals, the second guide rails are arranged in one-to-one correspondence with the first guide rails, hot press templates are arranged above the second guide rails, adjusting rods are symmetrically arranged on two sides of the frame, each adjusting rod vertically penetrates through the side edges of each hot press template in sequence, the lower ends of the adjusting rods are connected with the output ends of second vertical driving pieces, locking nuts are respectively arranged on the adjusting rods and located at the upper end and the lower end of each hot press template, and the locking nuts are in threaded connection with the adjusting rods.
9. The corrosion-resistant rubber floor preparation device according to claim 8, wherein: the hot pressing template comprises an assembly plate, wherein the lower end of the assembly plate is fixedly connected with a hot pressing block, an electric heating wire is arranged in the hot pressing block, connecting lugs are symmetrically constructed on two sides of the assembly plate, an adjusting rod penetrates through the corresponding connecting lugs, and a locking nut is locked on the corresponding end face of the connecting lugs.
10. A method of using the corrosion resistant rubber flooring preparation apparatus of any one of claims 1 to 9, comprising the steps of:
step1, driving two floor molding mechanisms to a feeding station, and fixing the floor molding mechanisms with a frame;
step2, controlling the action of the adjusting type material limiting mechanism to enable the depths of a plurality of material placing moulds on the floor molding mechanism to be synchronously adjusted to a preset value;
step3, synchronously supplying corrosion-resistant materials into each material placing die through a feeding mechanism;
step4, then, controlling the action of the adjusting type material limiting mechanism to enable the depth of the plurality of material placing moulds on the floor molding mechanism to be synchronously adjusted downwards;
step5, synchronously supplying the basic materials into each material placing die through a feeding mechanism;
step6, then, controlling the action of the adjusting type material limiting mechanism to enable the depth of the plurality of material placing moulds on the floor molding mechanism to be synchronously adjusted downwards;
step7, synchronously supplying the corrosion-resistant materials into each material placing die through a feeding mechanism until the corrosion-resistant materials are leveled to the upper port of the material placing die;
step8, releasing the fixation of the frame and the floor molding mechanism, fixing the feeding mechanism and the frame, controlling the feeding mechanism to act, so that all the feeding molds are driven to synchronously move towards the hot molding mechanism and enter the hot molding mechanism;
step9, controlling the action of the hot-pressing die mechanism, so that the hot-pressing die mechanism synchronously presses all materials in the material placing die, and forming a rubber floor with corrosion-resistant layers at the upper end and the lower end;
step10, after the hot pressing is finished, controlling the hot pressing die mechanism to return, and controlling the feeding mechanism to act, so that all the material placing dies are driven to synchronously leave the hot pressing die mechanism;
step11, controlling the action of the adjusting type material limiting mechanism to enable the adjusting type material limiting mechanism to eject the rubber floors in all the material placing molds, transferring the ejected rubber floors onto a material placing frame for cooling, and completing batch processing of the rubber floors at one time;
step12, then, driving the two floor molding mechanisms to the feeding stations, controlling the feeding mechanisms to synchronously supply corrosion-resistant materials into each feeding mold, repeating the steps Step4-Step11, and carrying out batch processing on the rubber floors next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410063302.7A CN117565298B (en) | 2024-01-17 | 2024-01-17 | Corrosion-resistant rubber floor preparation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410063302.7A CN117565298B (en) | 2024-01-17 | 2024-01-17 | Corrosion-resistant rubber floor preparation device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117565298A true CN117565298A (en) | 2024-02-20 |
| CN117565298B CN117565298B (en) | 2024-04-09 |
Family
ID=89862906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410063302.7A Active CN117565298B (en) | 2024-01-17 | 2024-01-17 | Corrosion-resistant rubber floor preparation device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117565298B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637956A (en) * | 2008-08-01 | 2010-02-03 | 北京恒通创新木塑科技发展有限公司 | Full automatic production equipment and process for multi-layer composite wood-plastic building molded plate |
| CN111993537A (en) * | 2020-09-03 | 2020-11-27 | 程春凤 | Automatic production line for refractory ceramic plates |
| CN212146861U (en) * | 2019-11-22 | 2020-12-15 | 江西省福业建设工程有限公司 | Pressing plate mechanism for preparing green building material plates |
| CN112677644A (en) * | 2020-12-28 | 2021-04-20 | 顾陈陈 | Thermos cup surface stamp device |
| CN114103385A (en) * | 2021-11-10 | 2022-03-01 | 润发住宅科技(常州)有限公司 | High-strength and high-toughness SMC (sheet molding compound) sheet |
| CN114434714A (en) * | 2022-01-29 | 2022-05-06 | 苏州市银洲橡塑五金制品有限公司 | Forming process for mobile phone shockproof sleeve |
| CN217670648U (en) * | 2022-05-20 | 2022-10-28 | 邢台科亚特橡塑制品有限公司 | Calender is used in rubber floor production |
| CN116687031A (en) * | 2023-06-14 | 2023-09-05 | 陶攀 | Egg roll forming device for food processing |
| CN220297371U (en) * | 2023-07-24 | 2024-01-05 | 广西新百裕木业有限公司 | Plate hot press |
| CN117400466A (en) * | 2023-12-15 | 2024-01-16 | 邢台科亚特橡塑制品有限公司 | Improved energy-saving efficient preparation device and method for rubber floor |
-
2024
- 2024-01-17 CN CN202410063302.7A patent/CN117565298B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637956A (en) * | 2008-08-01 | 2010-02-03 | 北京恒通创新木塑科技发展有限公司 | Full automatic production equipment and process for multi-layer composite wood-plastic building molded plate |
| CN212146861U (en) * | 2019-11-22 | 2020-12-15 | 江西省福业建设工程有限公司 | Pressing plate mechanism for preparing green building material plates |
| CN111993537A (en) * | 2020-09-03 | 2020-11-27 | 程春凤 | Automatic production line for refractory ceramic plates |
| CN112677644A (en) * | 2020-12-28 | 2021-04-20 | 顾陈陈 | Thermos cup surface stamp device |
| CN114103385A (en) * | 2021-11-10 | 2022-03-01 | 润发住宅科技(常州)有限公司 | High-strength and high-toughness SMC (sheet molding compound) sheet |
| CN114434714A (en) * | 2022-01-29 | 2022-05-06 | 苏州市银洲橡塑五金制品有限公司 | Forming process for mobile phone shockproof sleeve |
| CN217670648U (en) * | 2022-05-20 | 2022-10-28 | 邢台科亚特橡塑制品有限公司 | Calender is used in rubber floor production |
| CN116687031A (en) * | 2023-06-14 | 2023-09-05 | 陶攀 | Egg roll forming device for food processing |
| CN220297371U (en) * | 2023-07-24 | 2024-01-05 | 广西新百裕木业有限公司 | Plate hot press |
| CN117400466A (en) * | 2023-12-15 | 2024-01-16 | 邢台科亚特橡塑制品有限公司 | Improved energy-saving efficient preparation device and method for rubber floor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117565298B (en) | 2024-04-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101804675B (en) | Full-automatic die stripping and changing and multi-layer front and back die-moving hot-press vulcanization molding equipment for rubber soles | |
| CN201597094U (en) | Sweeping type spreading device for grinding wheel formers | |
| CN205685613U (en) | foaming cooling forming machine | |
| CN116198164B (en) | One-die multi-cavity flat vulcanizing machine for tire production | |
| CN111975941B (en) | Automatic production process of refractory ceramic plate | |
| CN113059678A (en) | Production process of recycled concrete anti-cracking slope protection brick | |
| CN212602840U (en) | Vulcanization mold jacking mechanism | |
| CN204736294U (en) | Novel block forming machine | |
| CN117400466B (en) | Rubber floor preparation device and method | |
| CN117565298B (en) | Corrosion-resistant rubber floor preparation device and method | |
| CN109501077B (en) | High-efficient curing press | |
| CN211467543U (en) | Preparation production line of quartz synthetic stone board | |
| CN209022309U (en) | A kind of vulcanizer output stripper apparatus for producing silica gel | |
| CN107696567A (en) | A kind of production line and charging method applied to brake block production | |
| CN114161280B (en) | Novel moulding of micro motor magnetic ring magnetic shoe device | |
| CN218230910U (en) | Quartz wool board drawing of patterns categorised collection device | |
| CN203558538U (en) | Reciprocating inlet/outlet conveying device | |
| CN216831498U (en) | Full-automatic production line of calcium magnesium assembled building material | |
| CN213732347U (en) | Insulation board production equipment | |
| CN213259007U (en) | Ceramic grinding wheel compression molding device | |
| CN205185012U (en) | Fragment of brick automatic molding device | |
| CN211194886U (en) | Compression molding equipment for rubber production | |
| CN109551694B (en) | Flat vulcanization production line for producing strip-shaped rubber material | |
| CN114506673A (en) | Quartz stone wool board drawing of patterns categorised collection device | |
| CN214562313U (en) | Double-feeding flat vulcanizing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |