CN115214093A - Nano silver ion antibacterial TPU chopping board forming process and device - Google Patents
Nano silver ion antibacterial TPU chopping board forming process and device Download PDFInfo
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- CN115214093A CN115214093A CN202210661395.4A CN202210661395A CN115214093A CN 115214093 A CN115214093 A CN 115214093A CN 202210661395 A CN202210661395 A CN 202210661395A CN 115214093 A CN115214093 A CN 115214093A
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- rod
- chopping board
- tpu
- silver ion
- mold
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- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 24
- 230000000844 anti-bacterial effect Effects 0.000 title description 3
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 47
- 230000003385 bacteriostatic effect Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000004381 surface treatment Methods 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000003242 anti bacterial agent Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 abstract description 28
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 230000002633 protecting effect Effects 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 nano-silver ions Chemical class 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a nanometer silver ion bacteriostatic TPU chopping board forming process and device, relates to the technical field of chopping board injection molding, and specifically comprises the following operation steps: s1, raw material pretreatment, S2, mixing, S3: molding, S4: and (4) surface treatment. According to the invention, the driving mechanism is arranged under the action of meshing transmission between the first bevel gear and the second bevel gear, the first bidirectional screw rod and the second bidirectional screw rod can be driven to rotate simultaneously, the position of the injection mold can be adjusted through rotation of the second bidirectional screw rod, and the position of the demolding auxiliary plate is unchanged relative to the mold in the moving process, so that an internally molded product can be ejected out when the upper mold and the lower mold move, the demolding process of the product is more convenient, and the supporting and protecting plates at the upper end and the lower end of the same supporting frame can limit and fix the end of the molded product through relative movement between the two connecting frames, so that a better supporting and protecting effect can be achieved on the product, and the taking and placing work is convenient.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a nanometer silver ion bacteriostatic TPU chopping board molding process and device.
Background
At present, most of well-known chopping boards are made of wood, bamboo and plastic, and are processed by cutting, assembling, injection molding and other processes, the surfaces of chopping boards made of the materials are easily corroded, pollutants are easily hidden in scratches on the surfaces, bacteria are easily bred on the surfaces, and normal use of the chopping boards is influenced, so that TPU chopping boards are available, and compared with common chopping boards, the TPU chopping boards are characterized in that various auxiliary materials can be added in the processing process to enable the chopping boards to have a better using effect.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a nanometer silver ion bacteriostatic TPU chopping board forming process and a nanometer silver ion bacteriostatic TPU chopping board forming device, and solves the problems of low processing efficiency caused by troublesome demoulding process after the chopping board is subjected to injection moulding, no good supporting and protecting effect on a chopping board blank after demoulding and troublesome taking and placing.
(II) technical scheme
In order to achieve the purpose, the invention adopts the technical scheme that:
a molding process of a TPU chopping board with nano silver ion bacteriostasis specifically comprises the following operation steps:
s1, pretreating raw materials, namely, putting the TPU raw materials, a plasticizer and a hardening agent into an internal mixer for mixing, wherein the mixing temperature is 100 ℃, and the mixing time is 10min, so as to obtain a prefabricated product;
s2, mixing, namely putting the prefabricated product into mixing equipment, adding a nano silver ion antibacterial agent and a vulcanizing agent, and fully mixing for 20min to obtain a mixture;
s3: molding, namely adding the mixture into an injection mold positioned on a workbench for injection molding, and demolding by an auxiliary demolding mechanism after injection molding to prepare a chopping board blank;
s4: and (4) surface treatment, namely performing deburring and shaping work on the surface of the cutting board blank to obtain a final product.
Meanwhile, the invention also discloses a nanometer silver ion bacteriostatic TPU chopping board forming device which comprises a workbench, wherein supporting rods are arranged at four corners of the upper surface of the workbench, a transverse plate is fixedly arranged at the top of each supporting rod, adjusting rods are fixedly arranged in the middle parts of two sides of the upper surface of the workbench, the top of each adjusting rod is arranged on the lower surface of the transverse plate, the injection mold is movably arranged between the two adjusting rods, a driving box is fixedly arranged on one side of the upper surface of the transverse plate, a driving mechanism is arranged in the driving box, and auxiliary demolding mechanisms are arranged at two ends of the bottom of the driving mechanism.
As preferred, injection mold is including last mould and bed die, it is inboard at the upper end of two regulation poles to go up the mould installation, the bed die is installed at the lower extreme of two regulation poles inboardly, the upper surface center department of going up the mould is provided with the mouth of moulding plastics, actuating mechanism is including driving motor, driving motor fixed mounting is at the one end surface of drive case, driving motor's output and the internally mounted who is located the drive case have a first bidirectional screw, the other end of a first bidirectional screw rotates and sets up inside the one end of drive case.
Preferably, first screw rod sleeves are movably mounted at two ends of the rod body of the first bidirectional screw rod, each first limiting slide block is mounted at the bottom of each first screw rod sleeve, first limiting slide grooves are formed in two ends of the inner wall of the bottom of the driving box, the bottom of each first limiting slide block is slidably arranged in each first limiting slide groove, each first screw rod sleeve is fixedly mounted at the end of the driving box in a penetrating mode, and each first screw rod sleeve is fixedly mounted at the bottom of the mounting block in a penetrating mode.
As preferred, the adjustment tank has all been seted up on the surface of diaphragm and the below that is located the installation piece, the adjustment tank is run through at the top of link, the one end setting that the link is located the diaphragm below is in injection mold's both sides, the spacing groove has all been seted up to the both sides inner wall of adjustment tank, install first gag lever post between the both ends inner wall of spacing groove, movable mounting has first slidable mounting cover on the body of first gag lever post, a side end fixed mounting of first slidable mounting cover is at a side surface of link.
Preferably, a second limiting sliding block is arranged on the upper surface of one end, away from the adjusting groove, of the connecting frame, a second limiting sliding groove is formed in one side of the lower surface of the transverse plate, the top of the second limiting sliding block is arranged in the second limiting sliding groove in a sliding mode, a mounting groove is formed in each adjusting rod, and a second bidirectional screw rod is rotatably mounted in the mounting groove in the adjusting rod, close to one end of the driving box.
Preferably, a first bevel gear is fixedly mounted in the middle of a rod body of the first bidirectional screw rod, a second bevel gear is meshed at the bottom of one side of the first bevel gear, the second bevel gear is fixedly mounted on a rod body at the top of the second bidirectional screw rod, a second limiting rod is rotatably mounted in a mounting groove in a regulating rod far away from one end of the second bidirectional screw rod, second screw rod sleeves are movably mounted at two ends of the rod body of the second bidirectional screw rod, and second sliding mounting sleeves are movably mounted at two ends of the rod body of the second limiting rod.
Preferably, the end parts of the second screw rod sleeve and the second sliding installation sleeve at the upper end are fixedly installed on the surfaces of the two sides of the upper die respectively, the end parts of the second screw rod sleeve and the second sliding installation sleeve at the lower end are fixedly installed on the surfaces of the two sides of the lower die respectively, the auxiliary demolding mechanism comprises a support frame, the support frame is fixedly installed at the bottom of each connecting frame, an adjusting threaded rod is installed in the middle of the upper end and the lower end of each support frame in a rotating mode through threaded matching, and a limiting connecting rod is movably installed on the two sides of the upper end and the two sides of the lower end of each support frame.
Preferably, the one end fixed mounting of adjusting threaded rod and spacing connecting rod has the connecting plate, spacing spring is all installed at the opposite side surface both ends of connecting plate, the other end fixed mounting of spacing spring has the support protection shield, the one end tip of supporting the protection shield is provided with the guide.
Preferably, the upper surface of the workbench and the lower surface of the transverse plate are both provided with a plurality of demolding auxiliary rods, the other ends of the demolding auxiliary rods positioned on the upper surface of the workbench penetrate through the bottom of the lower mold, the other ends of the demolding auxiliary rods positioned on the lower surface of the transverse plate penetrate through the top of the upper mold, one end part of each demolding auxiliary rod positioned inside the upper mold and one end part of each demolding auxiliary rod positioned inside the lower mold are both provided with a demolding auxiliary plate, the inner wall of the top of the upper mold and the inner wall of the bottom of the lower mold are both provided with matching grooves, and each matching groove corresponds to the position of the demolding auxiliary plate.
Compared with the prior art, the invention has the following beneficial effects:
1. after injection molding work is finished in the mold, the first bidirectional screw rod is driven to rotate by the driving motor, so that the first bevel gear rotates along with the first bevel gear, under the meshing transmission between the first bevel gear and the second bevel gear, the rotation of the second bidirectional screw rod can drive the two second screw rod sleeves to move relatively, so that the upper mold and the lower mold move, the position of the demolding auxiliary plate at the end part of the demolding auxiliary rod is unchanged relative to the upper mold and the lower mold in the moving process of the upper mold and the lower mold, so that an internally molded product can be ejected out when the upper mold and the lower mold move, the demolding process of the product is more convenient, and on the same principle, after mold closing is finished, the demolding auxiliary plate can be matched with matching grooves in the upper mold and the lower mold, so that the injection molding work in the mold can be normally carried out.
2. The first bidirectional screw rod and the second bidirectional screw rod are driven to rotate simultaneously under the meshing transmission between the first bevel gear and the second bevel gear, the first bidirectional screw rod can drive the two first screw rod sleeves to move in opposite directions, the two support frames are inwards folded in the demolding process through the upper mold and the lower mold through the connecting frame, the support protection plates at the upper end and the lower end of the same support frame can limit and fix the end parts of the molded product under the elastic action of the guide part at one end of the support protection plate and the limiting spring, and the support protection plates are matched with the demolding auxiliary plate to be used, so that the support fixing action of the two support frames on the molded product is completed, the taking and the placing are convenient, and the product is not easy to damage after molding.
3. Through rotating adjusting threaded rod under the normal running fit of screw thread, can adjust the position of connecting plate, thereby adjustable with two of one side support the distance between the protection shield, make it adjust according to the specification and dimension of product, it is better to the fixed effect of support of injection moulding back product, it is more convenient when using, same principle, as last mould and bed die at the in-process of compound die, two support frames of first bilateral lead screw can drive outwards remove, make its position can not lead to the fact the influence to injection moulding's position, it is more convenient when using, can accomplish the compound die and drawing of patterns process and the support protection to the shaping product of drawing of patterns in-process to injection moulding, it is more convenient when using, can effectively improve the processingquality of chopping board.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a TPU chopping board forming device with nano silver ion bacteriostasis;
FIG. 2 is a side view of a nanometer silver ion bacteriostatic TPU chopping board forming device of the invention;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken at A-A in FIG. 2 ofbase:Sub>A nanometer silver ion bacteriostatic TPU chopping board forming device according to the invention;
FIG. 4 is a schematic cross-sectional view at B-B in FIG. 2 of a TPU chopping board forming device with bacteriostasis of nano-silver ions, according to the present invention;
FIG. 5 is a schematic cross-sectional view at C-C in FIG. 2 of a nanometer silver ion bacteriostatic TPU chopping board forming device according to the invention;
FIG. 6 is a schematic cross-sectional view at D-D in FIG. 2 of a nanometer silver ion bacteriostatic TPU chopping board forming device of the invention;
FIG. 7 is an enlarged view of the position E in FIG. 3 of the nanometer silver ion bacteriostatic TPU chopping board forming device of the invention;
FIG. 8 is an enlarged view of the position F in FIG. 4 of the nanometer silver ion bacteriostatic TPU chopping board forming device;
FIG. 9 is an enlarged view of the position G in FIG. 5 of the nanometer silver ion bacteriostatic TPU chopping board forming device;
fig. 10 is an enlarged view of H in fig. 6 of the TPU chopping board forming device with bacteriostatic nano-silver ions according to the present invention.
In the figure: 1. a work table; 2. injection molding a mold; 201. an upper die; 202. a lower die; 203. an injection molding port; 3. an auxiliary demoulding mechanism; 301. a support frame; 3011. adjusting the threaded rod; 3012. a limit connecting rod; 302. a connecting plate; 303. a limiting spring; 304. supporting the protection plate; 305. a guide section; 306. a demolding auxiliary rod; 307. demolding the auxiliary plate; 308. a mating groove; 4. a support bar; 5. a transverse plate; 6. a drive box; 7. a drive mechanism; 701. a drive motor; 702. a first bidirectional screw; 703. a first screw rod sleeve; 7031. a first limit slide block; 7032. a first limiting chute; 704. mounting a block; 705. a connecting frame; 7051. a limiting groove; 7052. a first limit rod; 7053. a first sliding mounting sleeve; 7054. a second limit slide block; 7055. a second limiting chute; 7056. an adjustment groove; 706. a first bevel gear; 707. a second bevel gear; 708. a second bidirectional screw rod; 709. mounting grooves; 710. a second screw rod sleeve; 711. a second limiting rod; 712. a second sliding mounting sleeve; 8. and adjusting the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-10, a forming process of a TPU chopping board with nano silver ion bacteriostasis specifically comprises the following operation steps:
s1, pretreating raw materials, namely, putting the TPU raw materials, a plasticizer and a hardening agent into an internal mixer for mixing, wherein the mixing temperature is 100 ℃, and the mixing time is 10min, so as to obtain a prefabricated product;
s2, mixing, namely putting the prefabricated product into mixing equipment, adding a nano silver ion antibacterial agent and a vulcanizing agent, and fully mixing for 20min to obtain a mixture;
s3: molding, namely adding the mixture into an injection mold 2 on a workbench 1 for injection molding, and demolding by an auxiliary demolding mechanism 3 after injection molding to prepare a chopping board blank;
s4: and (4) surface treatment, namely performing deburring and shaping work on the surface of the cutting board blank to obtain a final product.
Meanwhile, the invention also discloses a nanometer silver ion antibacterial TPU chopping board forming device which comprises a workbench 1, wherein supporting rods 4 are respectively arranged at four corners of the upper surface of the workbench 1, a transverse plate 5 is fixedly arranged at the top of each supporting rod 4, adjusting rods 8 are fixedly arranged in the middle parts of two sides of the upper surface of the workbench 1, the top of each adjusting rod 8 is arranged on the lower surface of the corresponding transverse plate 5, an injection mold 2 is movably arranged between the two adjusting rods 8, a driving box 6 is fixedly arranged on one side of the upper surface of the transverse plate 5, a driving mechanism 7 is arranged in the driving box 6, and auxiliary demolding mechanisms 3 are arranged at two ends of the bottom of the driving mechanism 7.
In order to, the injection mold 2 includes an upper mold 201 and a lower mold 202, the upper mold 201 is installed inside the upper ends of the two adjusting rods 8, the lower mold 202 is installed inside the lower ends of the two adjusting rods 8, an injection port 203 is formed in the center of the upper surface of the upper mold 201, the driving mechanism 7 includes a driving motor 701, the driving motor 701 is fixedly installed on the outer surface of one end of the driving box 6, a first bidirectional screw rod 702 is installed at the output end of the driving motor 701 and located inside the driving box 6, the other end of the first bidirectional screw rod 702 is rotatably installed inside one end of the driving box 6, and the second screw rod sleeve 710 drives the upper mold 201 and the lower mold 202 to move relatively through the rotation of the second bidirectional screw rod 708, so that the demolding or mold closing work can be completed.
It should be noted that, first screw sleeves 703 are movably mounted at both ends of a shaft of the first bidirectional screw 702, a first limit slider 7031 is mounted at the bottom of each first screw sleeve 703, first limit sliding grooves 7032 are formed at both ends of an inner wall of the bottom of the driving box 6, the bottom of each first limit slider 7031 is slidably disposed in the first limit sliding groove 7032, one side of each first screw sleeve 703 penetrates through the driving box 6, and an installation block 704 is fixedly mounted at an end portion of the driving box, a connection frame 705 is mounted at the bottom of each installation block 704, and the first limit slider 7031 and the first limit sliding grooves 7032 are matched with each other, so that the first bidirectional screw 702 rotates to drive the first screw sleeves to move in a transverse direction, and the installation block 703 moves.
When the injection mold is specifically arranged, the adjusting groove 7056 is formed in the surface of the transverse plate 5 and below the mounting block 704, the adjusting groove 7056 penetrates through the top of the connecting frame 705, one end, located below the transverse plate 5, of the connecting frame 705 is arranged on two sides of the injection mold 2, the limiting grooves 7051 are formed in inner walls of two sides of the adjusting groove 7056, the first limiting rod 7052 is arranged between inner walls of two ends of the limiting groove 7051, the rod body of the first limiting rod 7052 is movably provided with the first sliding mounting sleeve 7053, one end of the first sliding mounting sleeve 7053 is fixedly arranged on one side surface of the connecting frame 705, the connecting frame 705 is movably arranged in the adjusting groove 7056 through the first sliding mounting sleeve 7053 arranged on the rod body of the first limiting rod 7052 in a sliding mode, and therefore the mounting block 704 can drive the connecting frame 705 to move.
Wherein, the one end upper surface that the link 705 kept away from the adjustment tank 7056 is provided with the spacing slider 7054 of second, the spacing spout 7055 of second has been seted up to the lower surface one side of diaphragm 5, the top of the spacing slider 7054 of second slides and sets up in the spacing spout 7055 of second, every is adjusted the inside mounting groove 709 that all is provided with of pole 8, the second bidirectional screw 708 is installed to the mounting groove 709 internal rotation in the regulation pole 8 that is close to drive box 6 one end, the removal process that can make the link 705 through the spacing slider 7054 of second that slides and set up in the spacing spout 7055 of second is more stable.
It can be understood that a first bevel gear 706 is fixedly installed in the middle of a shaft of the first bidirectional screw 702, a second bevel gear 707 is engaged at the bottom of one side of the first bevel gear 706, the second bevel gear 707 is fixedly installed on a top shaft of the second bidirectional screw 708, a second limit rod 711 is rotatably installed in an installation groove 709 in the adjusting rod 8 at one end far away from the second bidirectional screw 708, second screw sleeves 710 are movably installed at both ends of the shaft of the second bidirectional screw 708, a second sliding installation sleeve 712 is movably installed at both ends of the shaft of the second limit rod 711, the first bidirectional screw 702 and the second bidirectional screw 708 can be simultaneously rotated through engagement transmission between the first bevel gear 706 and the second bevel gear 707, and the driving motor 701 changes the rotation direction, so that the first bidirectional screw 702 and the second bidirectional screw 708 can simultaneously change directions, and the use process is more convenient.
In the application, one end of the second screw rod sleeve 710 and one end of the second sliding installation sleeve 712 which are located at the upper end are respectively and fixedly installed on the two side surfaces of the upper die 201, one end of the second screw rod sleeve 710 and one end of the second sliding installation sleeve 712 which are located at the lower end are respectively and fixedly installed on the two side surfaces of the lower die 202, the auxiliary demolding mechanism 3 comprises a support frame 301, the support frame 301 is fixedly installed at the bottom of each connecting frame 705, an adjusting threaded rod 3011 is rotatably installed in the middle of the upper end and the lower end of each support frame 301 through threaded matching, a limiting connecting rod 3012 is movably installed on both sides of the upper end and the lower end of each support frame 301, the rotating adjusting threaded rod 3011 can be more stable when adjusting the position of the connecting plate 302 through the limiting connecting rod 3012, and the second sliding installation sleeve 712 which is slidably arranged on the second limiting rod 711 can play a limiting role when the first screw rod sleeve 703 drives the upper die 201 and the lower die 202 to move, so that the moving process of the upper die 201 and the lower die 202 is more stable.
It should be noted that, the connecting plate 302 is fixedly installed at one end of the adjusting threaded rod 3011 and the limiting connecting rod 3012, the limiting springs 303 are installed at two ends of the other side surface of the connecting plate 302, the supporting protection plate 304 is fixedly installed at the other end of the limiting springs 303, the end portion of the supporting protection plate 304 is provided with the guiding portion 305, the guiding portion 305 arranged at the end portion of the supporting protection plate 304 is under the action of the limiting springs 303, the end portion of the product after being formed is conveniently matched with the supporting protection plate 304, the supporting protection plate 304 can be used for supporting and fixing the upper side and the lower side of the end portion of the product after being formed, and the product can be conveniently taken and placed.
Wherein, a plurality of drawing of patterns auxiliary rod 306 is all installed to the upper surface of workstation 1 and the lower surface of diaphragm 5, the other end that is located the drawing of patterns auxiliary rod 306 of workstation 1 upper surface runs through the bottom of bed die 202, the other end that is located the drawing of patterns auxiliary rod 306 of diaphragm 5 lower surface runs through the top of last mould 201, every drawing of patterns auxiliary rod 306 is located mould 201 and the inside one end tip of bed die 202 and all installs drawing of patterns auxiliary plate 307, cooperation groove 308 has all been seted up to the top inner wall of going up mould 201 and the bottom inner wall of bed die 202, every cooperation groove 308 all corresponds with drawing of patterns auxiliary plate 307 position.
The forming process and the device of the nanometer silver ion bacteriostatic TPU chopping board have the following working principle:
when in use, the driving mechanism 7 drives the upper die 201 and the lower die 202 to move relatively, after the die assembly is completed, the mixture of the prefabricated product, the nano silver ion antibacterial agent and the vulcanizing agent is conveyed into the injection die 2 through the injection port 203, so as to complete the injection molding work of the chopping board, after the molding work is completed in the die, the first bidirectional screw rod 702 is driven to rotate by the driving motor 701, so that the first bevel gear 706 rotates, under the meshing transmission between the first bevel gear 706 and the second bevel gear 707, the second bidirectional screw rod 708 rotates, so that the two second screw rod sleeves 710 on the second bidirectional screw rod 708 move relatively, so as to move the upper die 201 and the lower die 202, during the movement of the upper die 201 and the lower die 202, the position of the demoulding auxiliary plate 307 at the end of the demoulding auxiliary rod 306 is unchanged relative to the upper die 201 and the lower die 202, so that the products after internal molding can be ejected when the upper mold 201 and the lower mold 202 move, and the demolding process of the products is more convenient, on the same principle, after the mold closing is completed, the demolding auxiliary plate 307 can be matched with the matching grooves 308 in the upper mold 201 and the lower mold 202, so that the injection molding work in the molds can be normally performed, the first bidirectional screw 702 and the second bidirectional screw 708 can simultaneously rotate under the meshing transmission between the first bevel gear 706 and the second bevel gear 707, when the rotation of the second bidirectional screw 708 adjusts the injection mold 2, the rotation of the first bidirectional screw 702 can drive the two first screw sleeves 703 to move in opposite directions, so that the mounting block 704 can drive the connecting frame to move, so that the two connecting frames 705 can be folded inwards in the demolding process of the upper mold 201 and the lower mold 202, so that the supporting frame 301 can be folded inwards, when the supporting frame 301 moves, under the elastic action of the guiding portion 305 and the limiting spring 303 at one end of the supporting protection plate 304, the supporting protection plates 304 at the upper end and the lower end of the same supporting frame 301 can limit and fix the end of a formed product, and the supporting protection plates are matched with the demolding auxiliary plate 307 for use, so that the supporting and fixing effects of the two supporting frames 301 on the formed product are achieved, the product is convenient to take and place, the product is not easy to damage after being formed, the position of the connecting plate 302 can be adjusted under the rotation matching of the threads by rotating the adjusting threaded rod 3011, the distance between the two supporting protection plates 304 on the same side can be adjusted, the supporting and fixing effects on the injection-formed product are better, the use is more convenient, the same principle is adopted, when the upper mold 201 and the lower mold 202 are in the mold closing process, the first bidirectional screw rod 702 can drive the two supporting frames 301 to move outwards, the positions of the two supporting protection plates can not affect the position of the injection mold 2, the use is more convenient, and the use can be achieved, and the convenience in the use can be improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A nanometer silver ion bacteriostatic TPU chopping board forming process is characterized in that: the method specifically comprises the following operation steps:
s1, pretreating raw materials, namely, putting the TPU raw materials, a plasticizer and a hardening agent into an internal mixer for mixing, wherein the mixing temperature is 100 ℃, and the mixing time is 10min, so as to obtain a prefabricated product;
s2, mixing, namely putting the prefabricated product into mixing equipment, adding a nano silver ion antibacterial agent and a vulcanizing agent, and fully mixing for 20min to obtain a mixture;
s3: molding, namely adding the mixture into an injection mold (2) positioned on a workbench (1) for injection molding, and demolding by an auxiliary demolding mechanism (3) after injection molding to prepare a chopping board blank;
s4: and (4) surface treatment, namely performing deburring and shaping on the surface of the cutting board blank to obtain a final product.
2. The utility model provides a bacteriostatic TPU chopping board forming device of nanometer silver ion which characterized in that: including workstation (1), bracing piece (4) are all installed to the upper surface four corners department of workstation (1), the top fixed mounting of bracing piece (4) has diaphragm (5), all fixed mounting has regulation pole (8) at the upper surface both sides middle part of workstation (1), the lower surface at diaphragm (5) is installed at the top of adjusting pole (8), injection mold (2) activity sets up between two regulation poles (8), upper surface one side fixed mounting of diaphragm (5) has drive case (6), be provided with actuating mechanism (7) in drive case (6), the bottom both ends of actuating mechanism (7) are provided with supplementary demoulding mechanism (3).
3. The device of claim 2, wherein the nano silver ion bacteriostatic TPU chopping board forming device comprises: injection mold (2) are including last mould (201) and bed die (202), it is inboard at the upper end of two regulation poles (8) to go up mould (201), it is inboard at the lower extreme of two regulation poles (8) to install lower mould (202), the upper surface center department of going up mould (201) is provided with mouth (203) of moulding plastics, actuating mechanism (7) are including driving motor (701), driving motor (701) fixed mounting is in the one end surface of drive box (6), the internally mounted that the output of driving motor (701) just is located drive box (6) has first bidirectional screw (702), the other end of first bidirectional screw (702) rotates and sets up inside the one end of drive box (6).
4. The device of claim 3, wherein the nano silver ion bacteriostatic TPU chopping board forming device comprises: the utility model discloses a two-way lead screw drive device, including drive case (6), first two-way lead screw (702), first guide screw cover (703) is all movably mounted at the pole body both ends of first two-way lead screw (702), every first limit slide block (7031) are all installed to the bottom of first guide screw cover (703), the bottom inner wall both ends of drive case (6) all are provided with first limit chute (7032), the bottom of first limit slide block (7031) slides and sets up in first limit chute (7032), every drive case (6) and tip fixed mounting are all run through to one side of first guide screw cover (703) have installation piece (704), every link (705) are all installed to the bottom of installation piece (704).
5. The device of claim 4, wherein the nano silver ion bacteriostatic TPU chopping board forming device is characterized in that: adjusting groove (7056) have all been seted up on the surface of diaphragm (5) and the below that is located installation piece (704), adjusting groove (7056) is run through at the top of link (705), one end setting in injection mold (2) of link (705) below is located diaphragm (5), spacing groove (7051) has all been seted up to the both sides inner wall of adjusting groove (7056), install first gag lever post (7052) between the both ends inner wall of spacing groove (7051), movable mounting has first slip mounting sleeve (7053) on the pole body of first gag lever post (7052), one side end fixed mounting of first slip mounting sleeve (7053) is in a side surface of link (705).
6. The device of claim 5, wherein the nano silver ion bacteriostatic TPU chopping board forming device comprises: the upper surface of one end, far away from the adjusting groove (7056), of the connecting frame (705) is provided with a second limiting sliding block (7054), a second limiting sliding groove (7055) is formed in one side of the lower surface of the transverse plate (5), the top of the second limiting sliding block (7054) is arranged in the second limiting sliding groove (7055) in a sliding mode, an installation groove (709) is formed in each adjusting rod (8), and a second bidirectional screw rod (708) is rotatably installed in the installation groove (709) in the adjusting rod (8) close to one end of the driving box (6).
7. The bacteriostatic TPU chopping board forming device of nanometer silver ion of claim 6, characterized in that: the middle of a rod body of the first bidirectional screw rod (702) is fixedly provided with a first bevel gear (706), the bottom of one side of the first bevel gear (706) is meshed with a second bevel gear (707), the second bevel gear (707) is fixedly arranged on a rod body at the top of the second bidirectional screw rod (708), a second limiting rod (711) is rotatably arranged in a mounting groove (709) in an adjusting rod (8) far away from one end of the second bidirectional screw rod (708), two ends of the rod body of the second bidirectional screw rod (708) are movably provided with second screw rod sleeves (710), and two ends of the rod body of the second limiting rod (711) are movably provided with second sliding mounting sleeves (712).
8. The device of claim 7, wherein the nano silver ion bacteriostatic TPU chopping board forming device comprises: be located the upper end the one end tip difference fixed mounting of second lead screw cover (710) and second sliding installation cover (712) is at the both sides surface of last mould (201), is located the lower extreme the one end tip difference fixed mounting of second lead screw cover (710) and second sliding installation cover (712) is at the both sides surface of bed die (202), supplementary demoulding mechanism (3) are including support frame (301), support frame (301) fixed mounting is in the bottom of every link (705), every the upper end of support frame (301) and lower extreme middle part all rotate through the screw-thread fit and install adjusting screw rod (3011), every the upper end of support frame (301) and lower extreme both sides all movable mounting have limit connecting rod (3012).
9. The device of claim 8, wherein the nano silver ion bacteriostatic TPU chopping board forming device comprises: adjusting screw rod (3011) and the one end fixed mounting of spacing connecting rod (3012) have connecting plate (302), spacing spring (303) are all installed at the opposite side surface both ends of connecting plate (302), the other end fixed mounting of spacing spring (303) has support protection shield (304), the one end tip of support protection shield (304) is provided with guide portion (305).
10. The device of claim 9, wherein the nano silver ion bacteriostatic TPU chopping board forming device comprises: the upper surface of the workbench (1) and the lower surface of the transverse plate (5) are respectively provided with a plurality of demolding auxiliary rods (306), the other ends of the demolding auxiliary rods (306) positioned on the upper surface of the workbench (1) penetrate through the bottom of the lower mold (202), the other ends of the demolding auxiliary rods (306) positioned on the lower surface of the transverse plate (5) penetrate through the top of the upper mold (201), one end part of each demolding auxiliary rod (306) positioned inside the upper mold (201) and the lower mold (202) is provided with a demolding auxiliary plate (307), the inner wall of the top of the upper mold (201) and the inner wall of the bottom of the lower mold (202) are respectively provided with a matching groove (308), and each matching groove (308) corresponds to the demolding auxiliary plate (307).
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| CN202210661395.4A CN115214093A (en) | 2022-06-13 | 2022-06-13 | Nano silver ion antibacterial TPU chopping board forming process and device |
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| CN202210661395.4A CN115214093A (en) | 2022-06-13 | 2022-06-13 | Nano silver ion antibacterial TPU chopping board forming process and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116100719A (en) * | 2023-03-01 | 2023-05-12 | 兴邦新材料(山东)有限公司 | Production process and equipment of nano silver ion antibacterial TPU chopping board |
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| CN213107905U (en) * | 2020-06-23 | 2021-05-04 | 东莞市全能塑胶制品有限公司 | Mould positioning device |
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