CN102153011A - Sealing adhesive tape for elevator door and manufacturing process of sealing adhesive tape - Google Patents
Sealing adhesive tape for elevator door and manufacturing process of sealing adhesive tape Download PDFInfo
- Publication number
- CN102153011A CN102153011A CN2011100765103A CN201110076510A CN102153011A CN 102153011 A CN102153011 A CN 102153011A CN 2011100765103 A CN2011100765103 A CN 2011100765103A CN 201110076510 A CN201110076510 A CN 201110076510A CN 102153011 A CN102153011 A CN 102153011A
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- Prior art keywords
- elevator door
- plastic
- joint strip
- pressure injection
- installation sheet
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000012945 sealing adhesive Substances 0.000 title abstract 12
- 238000007789 sealing Methods 0.000 claims abstract description 155
- 238000009434 installation Methods 0.000 claims abstract description 69
- 230000035939 shock Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 72
- 239000007924 injection Substances 0.000 claims description 72
- 238000000465 moulding Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000010137 moulding (plastic) Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 description 13
- 239000003507 refrigerant Substances 0.000 description 13
- 238000001125 extrusion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
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- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/30—Constructional features of doors or gates
Abstract
The invention discloses a sealing adhesive tape for an elevator door and a manufacturing process of the sealing adhesive tape, and relates to the field of sealing adhesive tapes for the elevator door. The sealing adhesive tape for the elevator door comprises an installation sheet made of hard plastic, and a sealing head connected with one end of the installation sheet; the sealing head has a sealing face; and a shock absorption hole of which the axial line is parallel to the sealing face is formed on the sealing head. The manufacturing process comprises the following steps of: extruding a sealing adhesive sheet for the elevator door by using a die; and cutting the sealing adhesive sheet for the elevator door into the sealing adhesive tapes for the elevator door. By the process, the process for manufacturing a formed sealing adhesive tape is simplified, the manufacturing cost is reduced, and the forming quality of the sealing adhesive tape is improved; and the sealing adhesive tape has high shock-absorption capability and large resilience force.
Description
Technical field
The present invention relates to the manufacturing process of elevator door with sealing band and elevator door sealing band.
Background technology
The elevator door sealing joint strip can play the effect of buffering, crashproof, sealing, shading, decoration.Now, the structure of sealing joint strip is varied, has also produced different forming processs according to different sealing joint strip structures.Is that open day of 2005.9.16 discloses a kind of Lift Car Door Hall Door Sealing Strip And Shaping Process in the patent documentation of 2007.11.28 as the patent No. for the ZL200510060790.3 applying date.Sealing band comprises that being installed in elevator two fans the hard soft modified PVC layer that is embedded with skeleton that matches on the doors of the car gate Room, described skeleton is the stainless steel substrates or the cold rolling steel disc of flow forming, be positioned at described hard modified PVC layer one end that match and be embedded with soft modified PVC layer, and described two soft modified PVC layers that match have the contact surface that matches.Though the sealing band of this structure can be realized the basic function of elevator sealing band, but, skeleton to be embedded in the hard modified PVC layer, in extrusion molding, it is good to carry skeleton, the hard modified PVC of injection and inject will the work good quality that could guarantee product of soft modified PVC three, therefore, having relatively high expectations to moulding; In addition, when soft modified PVC layer deforms, be that change has taken place the interior tissue of material, in deformation process, there is mutual restriction between the material structure, therefore, deflection can only reach the ultimate deformation amount of material itself, as surpassed the ultimate deformation amount, then become plastic deformation, therefore, screen resilience reduces, have, because deflection is limited, the shake-proof ability of sealing band is relatively poor again.
Summary of the invention
The purpose of this invention is to provide a kind of elevator door sealing joint strip, technical matters to be solved is to simplify the forming process of sealing joint strip, improves the shock resistance of sealing joint strip, improves the screen resilience of sealing joint strip.
Another object of the present invention provides a kind of elevator door sealing joint strip manufacturing process, and technical matters to be solved is to simplify the manufacturing process of moulding sealing joint strip, reduces manufacturing cost, improves the Forming Quality of sealing joint strip.
For achieving the above object, the elevator door sealing joint strip comprises that the installation sheet by the rigid plastic moulding reaches and installation sheet one end bonded assembly sealing head, and described sealing head has a sealing surface, has the axis shock relieve vent parallel with sealing surface on the sealing head.
Sealing joint strip of the present invention, because installation sheet is only by the rigid plastic moulding, when the moulding sealing joint strip, with rigid plastic and nonrigid plastic simultaneously pressure injection in mould and extrusion molding get final product, with respect to prior art, do not need rigid plastic to be embedded in skeleton, therefore, simplify the technology of moulding, reduced the cost of moulding; In addition, owing to be provided with shock relieve vent, like this, sealing head distortion trailing portion material has been filled in the shock relieve vent, therefore, the deflection of sealing head can be very big, good damping effect, and, after squeese pressure was cancelled, the screen resilience of sealing head was also big, for extruding antidetonation has next time been established basis preferably.
As improvement, on sealing head, be positioned at a side that contacts with elevator door and be formed with protrusion.When being installed to sealing joint strip on the elevator door, protrusion deforms, produce squeese pressure between sealing joint strip and the elevator door and can not produce the gap, the steadiness that sealing joint strip is fixed on the elevator door is good, in addition, when the fastener that is used to install sealing joint strip takes place because protrusion has rebound action, also can guarantee sealing joint strip and elevator door closed contact when loosening.
As improvement, on installation sheet, be positioned at installation sheet and the sealing head junction is provided with dovetail furrow, sealing head is provided with the jut of holding in the dovetail furrow.Like this, being connected firmly of sealing head and installation sheet is not easy to separate the service life of having improved sealing joint strip.
As specializing, the employed material of installation sheet is a rigid PVC, and the employed material of sealing head is a flexible PVC.
As improvement, installation sheet is provided with mounting hole.Mounting hole is set is convenient to install sealing joint strip.
For reaching another above-mentioned purpose, elevator door sealing joint strip manufacturing process comprises forming mould and utilizes the manufacturing process of described forming mould moulding elevator door sealing joint strip; Described forming mould comprises front mould and back mould; Have rigid plastic in the front mould and hold the pond, front mould is provided with rigid plastic and holds the rigid plastic pressure injection passage that the pond is communicated with; Be provided with the installation sheet forming cavity in the back mould, the front end of installation sheet forming cavity holds the pond with rigid plastic and is communicated with, the rear end of installation sheet forming cavity is provided with the outlet of elevator door sealing joint strip, the outside that is positioned at the installation sheet forming cavity in the mould of back is provided with the sealing head forming cavity that communicates with the installation sheet forming cavity, in the sealing head forming cavity, be provided with the core rod that is used for the moulding shock relieve vent, back mould is provided with the nonrigid plastic that is communicated with the sealing head forming cavity and holds the pond, and back mould is provided with nonrigid plastic and holds the nonrigid plastic pressure injection passage that the pond is communicated with.Utilize the manufacturing technology steps of above-mentioned forming mould moulding elevator door sealing joint strip as follows: by the continuous pressure injection rigid plastic in rigid plastic holds the pond of rigid plastic pressure injection passage, simultaneously by the continuous pressure injection nonrigid plastic in nonrigid plastic holds the pond of nonrigid plastic pressure injection passage, in continuous pressure injection rigid plastic and nonrigid plastic process, rigid plastic is extruded in the installation sheet forming cavity, nonrigid plastic is extruded in the sealing head forming cavity simultaneously, be connected with nonrigid plastic at the junction rigid plastic of installation sheet forming cavity and sealing head forming cavity and form the elevator door sealed film and be extruded from outlet, then, customized cut-off forms the elevator door sealing joint strip, wherein, shock relieve vent is formed naturally by core rod.
Above-mentioned forming mould simple in structure, claimed accuracy is not high, and therefore, the cost of making forming mould is low; Above-mentioned forming process, with rigid plastic and nonrigid plastic simultaneously pressure injection in mould and extrusion molding get final product, with respect to prior art, do not need rigid plastic to be embedded in skeleton, therefore, simplify the manufacturing process of moulding sealing joint strip, reduce manufacturing cost, improve the Forming Quality of sealing joint strip.
As improvement, described back mould comprises the back mould body and is located at the back shield of mould body rear end, back; Described outlet is located on the back shield.Described back shield is used for stopping up the refrigerant fluid of cooling chamber, prevents the refrigerant fluid leakage, also is convenient to the processing to cooling chamber.
As improvement, the periphery that the back segment of back mould body is positioned at installation sheet forming cavity and sealing head forming cavity is provided with cooling chamber, and cooling chamber has water inlet and the water outlet that is in communication with the outside.Described cooling chamber is used for the splendid attire refrigerant fluid, the seal strip that is about to be extruded moulding is cooled off realizing, improves the Forming Quality of seal strip.
As improvement, the back mould body leading section be provided with the core rod adapter plate, an end of core rod is fixed on the core rod adapter plate, the other end of core rod is across the sealing head forming cavity; Described nonrigid plastic holds the pond and is formed by back mould body and core rod adapter plate.The core rod adapter plate is set, and one conveniently is convenient to the Assembly ﹠Disassembly core rod, is convenient to process nonrigid plastic on the other hand and holds the pond.
As improvement, described rigid plastic pressure injection passage comprises rigid plastic pressure injection mouth interface and rigid plastic runner, and the rigid plastic runner is between rigid plastic pressure injection mouth interface and rigid plastic solute; Described nonrigid plastic pressure injection passage comprises nonrigid plastic pressure injection mouth interface and nonrigid plastic runner, and the nonrigid plastic runner holds between the pond at nonrigid plastic pressure injection mouth interface and nonrigid plastic.Rigid plastic pressure injection mouth interface is set and nonrigid plastic pressure injection mouth interface is convenient to make mould to dock with external device, guarantees carrying out smoothly of pressure injection rigid plastic and nonrigid plastic.
Description of drawings
Fig. 1 is the die structure dwg of the moulding first embodiment elevator door sealing joint strip.
Fig. 2 is the constructional drawing of the elevator door sealing joint strip of first embodiment.
Fig. 3 is the die structure dwg of the moulding second embodiment elevator door sealing joint strip.
Fig. 4 is the constructional drawing of the elevator door sealing joint strip of second embodiment.
Fig. 5 is mold insert structure figure in the second embodiment forming mould.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further elaborated.
First embodiment.
The elevator door sealing joint strip of the forming mould moulding that utilizes present embodiment as shown in Figure 2 comprises installation sheet 1 and and installation sheet 1 one end bonded assembly sealing heads 2 by the rigid plastic moulding.Installation sheet 1 is made up of installation portion 11 and connecting portion 12, and wherein the cross section of installation portion 11 is less than the cross section of connecting portion 11, and installation portion 11 and connecting portion 12 are L-shaped, are processed with mounting hole 3 on installation portion 11, are convenient to the elevator door sealing joint strip is installed on the elevator door; Described sealing head 2 has a sealing surface 21, have the axis shock relieve vent parallel 4 on the sealing head 2 with sealing surface, on sealing head 2, be positioned at a side that contacts with elevator door and be formed with protrusion 22, when being installed to sealing joint strip on the elevator door, protrusion 22 deforms, produce squeese pressure between sealing joint strip and the elevator door and can not produce the gap, the steadiness that sealing joint strip is fixed on the elevator door is good, in addition, when the fastener that is used to install sealing joint strip takes place when loosening, because protrusion 22 has rebound action, also can guarantee sealing joint strip and elevator door closed contact.In the present embodiment, installation sheet 1 employed material is a rigid PVC, and sealing head 2 employed materials are flexible PVC.
As shown in Figure 1, forming mould comprises front mould 5 and back mould 6.In front mould 5, be provided with rigid plastic and hold pond 511, front mould 5 is provided with rigid plastic and holds the rigid plastic pressure injection passage 512 that pond 511 is communicated with, rigid plastic pressure injection passage 512 comprises rigid plastic pressure injection mouth interface 5121 and rigid plastic runner 5122, rigid plastic runner 5122 holds between the pond 511 at rigid plastic pressure injection mouth interface 5121 and rigid plastic, rigid plastic pressure injection mouth interface 5121 is a hickey, be convenient to be connected, guarantee that the pressure injection rigid plastic carries out smoothly with external device; Back mould 52 comprises back mould body 521 and is fixed on the back shield 522 of mould body 521 rear ends, back by fastener; Be provided with installation sheet forming cavity 5211 in the back mould body 521, installation sheet forming cavity 5211 front and back connect, the front end of installation sheet forming cavity 5211 holds pond 511 with rigid plastic and is communicated with, the rear end that is positioned at installation sheet forming cavity 5211 on back shield 522 is provided with the outlet 53 of elevator door sealing joint strip, the upside that is positioned at installation sheet forming cavity 5211 in the mould body 521 of back is provided with the sealing head forming cavity 5212 that communicates with the installation sheet forming cavity, leading section at back mould body 521 is fixed with core rod adapter plate 54, be fixed with core rod 55 on the core rod adapter plate 54, one end of core rod 55 is across sealing head forming cavity 5212, core rod adapter plate 54 and back mould body are formed with the nonrigid plastic that is communicated with the sealing head forming cavity and hold pond 5213, back mould body 521 is provided with nonrigid plastic and holds the nonrigid plastic pressure injection passage 5214 that the pond is communicated with, nonrigid plastic pressure injection passage 5214 comprises nonrigid plastic pressure injection mouth interface 52141 and nonrigid plastic runner 52142, nonrigid plastic runner 52142 holds between the pond 5213 at nonrigid plastic pressure injection mouth interface 52141 and nonrigid plastic, described nonrigid plastic pressure injection mouth interface 52141 is a hickey, be convenient to be connected, guarantee that the pressure injection nonrigid plastic carries out smoothly with external device.As shown in Figure 1, the periphery that the back segment of back mould body 521 is positioned at installation sheet forming cavity and sealing head forming cavity is provided with cooling chamber 56, cooling chamber has water inlet 561 and the water outlet 562 that is in communication with the outside, described water inlet 561 is opened on back shield, water outlet 562 is opened on the mould body of back, back shield guarantees that refrigerant fluid only flows out from water outlet, prevents the leakage of refrigerant fluid owing to stop up cooling chamber 56.
Utilize the manufacturing technology steps of above-mentioned forming mould moulding elevator door sealing joint strip as follows: the external device that will be used for the pressure injection rigid PVC is connected with rigid plastic pressure injection mouth interface 5121, the external device that will be used for the pressure injection flexible PVC simultaneously is connected with nonrigid plastic pressure injection mouth interface 52141, by external device through the continuous pressure injection rigid PVC in rigid plastic holds the pond of rigid plastic runner, simultaneously by external device through the continuous pressure injection flexible PVC in nonrigid plastic holds the pond of nonrigid plastic runner, in continuous pressure injection rigid PVC and flexible PVC process, rigid PVC is extruded in the installation sheet forming cavity 5211, flexible PVC is extruded in the sealing head forming cavity 5212 simultaneously, be connected with flexible PVC at the junction rigid PVC of installation sheet forming cavity 5211 and sealing head forming cavity 5212 and form the elevator door sealed film and be extruded from exporting 53, wherein, shock relieve vent is formed naturally by core rod 55, then, customized cut-off forms the elevator door sealing joint strip.The elevator door sealed film is in forming process, and to water inlet 561 feeding refrigerant fluids, the refrigerant fluid of feeding cools off the elevator door sealed film after entering in the cooling chamber, to improve the quality of moulding, enters into the interior refrigerant fluid of cooling chamber after the water outlet outflow.
The sealing joint strip of present embodiment, because installation sheet 1 is only by the rigid plastic moulding, when the moulding sealing joint strip, with rigid plastic and nonrigid plastic simultaneously pressure injection in mould and extrusion molding get final product, with respect to prior art, do not need rigid plastic to be embedded in skeleton, therefore, simplify the technology of moulding, reduced the cost of moulding; In addition, owing to be provided with shock relieve vent 4, like this, sealing head distortion trailing portion material has been filled in the shock relieve vent, therefore, the deflection of sealing head can be very big, good damping effect, and, after squeese pressure was cancelled, the screen resilience of sealing head was also big, for extruding antidetonation has next time been established basis preferably.
Second embodiment.
The elevator door sealing joint strip of the forming mould moulding that utilizes present embodiment as shown in Figure 4 comprises installation sheet 1 and and installation sheet 1 one end bonded assembly sealing heads 2 by the rigid plastic moulding.Installation sheet 1 is made up of installation portion 11 and connecting portion 12, and wherein the cross section of installation portion 11 is less than the cross section of connecting portion 11, and installation portion 11 and connecting portion 12 are L-shaped, are processed with mounting hole 3 on installation portion 11, are convenient to the elevator door sealing joint strip is installed on the elevator door; Described sealing head 2 has a sealing surface 21, have the axis shock relieve vent parallel 4 on the sealing head 2 with sealing surface, on sealing head 2, be positioned at a side that contacts with elevator door and be formed with protrusion 22, when being installed to sealing joint strip on the elevator door, protrusion 22 deforms, produce squeese pressure between sealing joint strip and the elevator door and can not produce the gap, the steadiness that sealing joint strip is fixed on the elevator door is good, in addition, when the fastener that is used to install sealing joint strip takes place when loosening, because protrusion 22 has rebound action, also can guarantee sealing joint strip and elevator door closed contact; Be provided with dovetail furrow 121 with the sealing head junction on connecting portion 12, be provided with the jut 23 of holding in the dovetail furrow on sealing head, like this, being connected firmly of installation sheet and sealing head improved the service life of elevator door sealing joint strip.In the present embodiment, installation sheet 1 employed material is a rigid PVC, and sealing head 2 employed materials are flexible PVC.
As shown in Figure 3, forming mould comprises front mould 5 and back mould 6.In front mould 5, be provided with rigid plastic and hold pond 511, front mould 5 is provided with rigid plastic and holds the rigid plastic pressure injection passage 512 that pond 511 is communicated with, rigid plastic pressure injection passage 512 comprises rigid plastic pressure injection mouth interface 5121 and rigid plastic runner 5122, rigid plastic runner 5122 holds between the pond 511 at rigid plastic pressure injection mouth interface 5121 and rigid plastic, rigid plastic pressure injection mouth interface 5121 is a hickey, be convenient to be connected, guarantee that the pressure injection rigid plastic carries out smoothly with external device; Back mould 52 comprises back mould body 521 and is fixed on the back shield 522 of mould body 521 rear ends, back by fastener; Be provided with installation sheet forming cavity 5211 in the back mould body 521, installation sheet forming cavity 5211 front and back connect, the front end of installation sheet forming cavity 5211 holds pond 511 with rigid plastic and is communicated with, the rear end that is positioned at installation sheet forming cavity 5211 on back shield 522 is provided with the outlet 53 of elevator door sealing joint strip, the upside that is positioned at installation sheet forming cavity 5211 in the mould body 521 of back is provided with the sealing head forming cavity 5212 that communicates with the installation sheet forming cavity, leading section at back mould body 521 is fixed with core rod adapter plate 54, be fixed with core rod 55 on the core rod adapter plate 54, one end of core rod 55 is across sealing head forming cavity 5212, core rod adapter plate 54 and back mould body are formed with the nonrigid plastic that is communicated with the sealing head forming cavity and hold pond 5213, as shown in Figure 5, on the bottom surface of core rod adapter plate, be provided with the projection 541 of moulding dovetail furrow, back mould body 521 is provided with nonrigid plastic and holds the nonrigid plastic pressure injection passage 5214 that the pond is communicated with, nonrigid plastic pressure injection passage 5214 comprises nonrigid plastic pressure injection mouth interface 52141 and nonrigid plastic runner 52142, nonrigid plastic runner 52142 holds between the pond 5213 at nonrigid plastic pressure injection mouth interface 52141 and nonrigid plastic, described nonrigid plastic pressure injection mouth interface 52141 is a hickey, be convenient to be connected, guarantee that the pressure injection nonrigid plastic carries out smoothly with external device.As shown in Figure 1, the periphery that the back segment of back mould body 521 is positioned at installation sheet forming cavity and sealing head forming cavity is provided with cooling chamber 56, cooling chamber has water inlet 561 and the water outlet 562 that is in communication with the outside, described water inlet 561 is opened on back shield, water outlet 562 is opened on the mould body of back, back shield guarantees that refrigerant fluid only flows out from water outlet, prevents the leakage of refrigerant fluid owing to stop up cooling chamber 56.
Utilize the manufacturing technology steps of above-mentioned forming mould moulding elevator door sealing joint strip as follows: the external device that will be used for the pressure injection rigid PVC is connected with rigid plastic pressure injection mouth interface 5121, the external device that will be used for the pressure injection flexible PVC simultaneously is connected with nonrigid plastic pressure injection mouth interface 52141, by external device through the continuous pressure injection rigid PVC in rigid plastic holds the pond of rigid plastic runner, simultaneously by external device through the continuous pressure injection flexible PVC in nonrigid plastic holds the pond of nonrigid plastic runner, in continuous pressure injection rigid PVC and flexible PVC process, rigid PVC is extruded in the installation sheet forming cavity 5211, flexible PVC is extruded in the sealing head forming cavity 5212 simultaneously, be connected with flexible PVC at the junction rigid PVC of installation sheet forming cavity 5211 and sealing head forming cavity 5212 and form the elevator door sealed film and be extruded from exporting 53, wherein, shock relieve vent is formed naturally by core rod 55, then, customized cut-off forms the elevator door sealing joint strip.The elevator door sealed film is in forming process, and to water inlet 561 feeding refrigerant fluids, the refrigerant fluid of feeding cools off the elevator door sealed film after entering in the cooling chamber, to improve the quality of moulding, enters into the interior refrigerant fluid of cooling chamber after the water outlet outflow.
The sealing joint strip of present embodiment, because installation sheet 1 is only by the rigid plastic moulding, when the moulding sealing joint strip, with rigid plastic and nonrigid plastic simultaneously pressure injection in mould and extrusion molding get final product, with respect to prior art, do not need rigid plastic to be embedded in skeleton, therefore, simplify the technology of moulding, reduced the cost of moulding; In addition, owing to be provided with shock relieve vent 4, like this, sealing head distortion trailing portion material has been filled in the shock relieve vent, therefore, the deflection of sealing head can be very big, good damping effect, and, after squeese pressure was cancelled, the screen resilience of sealing head was also big, for extruding antidetonation has next time been established basis preferably.
In addition, the front end of Chu Xianing refers to the left end of Fig. 1 and Fig. 3 in the present invention, and the rear end refers to the right-hand member of Fig. 1 and Fig. 3.
Claims (10)
1. elevator door sealing joint strip is characterized in that: comprise by the installation sheet of rigid plastic moulding and with installation sheet one end bonded assembly sealing head, described sealing head has a sealing surface, has the axis shock relieve vent parallel with sealing surface on the sealing head.
2. elevator door sealing joint strip according to claim 1 is characterized in that: be positioned at a side that contacts with elevator door and be formed with protrusion on sealing head.
3. elevator door sealing joint strip according to claim 1 is characterized in that: be positioned at installation sheet and the sealing head junction is provided with dovetail furrow on installation sheet, sealing head is provided with the jut of holding in the dovetail furrow.
4. according to each described elevator door sealing joint strip of claim 1 to 3, it is characterized in that: the employed material of installation sheet is a rigid PVC, and the employed material of sealing head is a flexible PVC.
5. elevator door sealing joint strip according to claim 1, it is characterized in that: installation sheet is provided with mounting hole.
6. elevator door sealing joint strip manufacturing process is characterized in that: comprise forming mould and utilize the manufacturing process of described forming mould moulding elevator door sealing joint strip;
Described forming mould comprises front mould and back mould; Have rigid plastic in the front mould and hold the pond, front mould is provided with rigid plastic and holds the rigid plastic pressure injection passage that the pond is communicated with; Be provided with the installation sheet forming cavity in the back mould, the front end of installation sheet forming cavity holds the pond with rigid plastic and is communicated with, the rear end of installation sheet forming cavity is provided with the outlet of elevator door sealing joint strip, the outside that is positioned at the installation sheet forming cavity in the mould of back is provided with the sealing head forming cavity that communicates with the installation sheet forming cavity, in the sealing head forming cavity, be provided with the core rod that is used for the moulding shock relieve vent, back mould is provided with the nonrigid plastic that is communicated with the sealing head forming cavity and holds the pond, and back mould is provided with nonrigid plastic and holds the nonrigid plastic pressure injection passage that the pond is communicated with;
Utilize the manufacturing technology steps of above-mentioned forming mould moulding elevator door sealing joint strip as follows: by the continuous pressure injection rigid plastic in rigid plastic holds the pond of rigid plastic pressure injection passage, simultaneously by the continuous pressure injection nonrigid plastic in nonrigid plastic holds the pond of nonrigid plastic pressure injection passage, in continuous pressure injection rigid plastic and nonrigid plastic process, rigid plastic is extruded in the installation sheet forming cavity, nonrigid plastic is extruded in the sealing head forming cavity simultaneously, be connected with nonrigid plastic at the junction rigid plastic of installation sheet forming cavity and sealing head forming cavity and form the elevator door sealed film and be extruded from outlet, then, customized cut-off forms the elevator door sealing joint strip, wherein, shock relieve vent is formed naturally by core rod.
7. elevator door sealing joint strip manufacturing process according to claim 6 is characterized in that: described back mould comprises the back mould body and is located at the back shield of mould body rear end, back; Described outlet is located on the back shield.
8. elevator door sealing joint strip manufacturing process according to claim 7 is characterized in that: the periphery that the back segment of back mould body is positioned at installation sheet forming cavity and sealing head forming cavity is provided with cooling chamber, and cooling chamber has water inlet and the water outlet that is in communication with the outside.
9. elevator door sealing joint strip manufacturing process according to claim 7 is characterized in that: the leading section at the back mould body is provided with the core rod adapter plate, and an end of core rod is fixed on the core rod adapter plate, and the other end of core rod is across the sealing head forming cavity; Described nonrigid plastic holds the pond and is formed by back mould body and core rod adapter plate.
10. elevator door sealing joint strip manufacturing process according to claim 5, it is characterized in that: described rigid plastic pressure injection passage comprises rigid plastic pressure injection mouth interface and rigid plastic runner, and the rigid plastic runner is between rigid plastic pressure injection mouth interface and rigid plastic solute; Described nonrigid plastic pressure injection passage comprises nonrigid plastic pressure injection mouth interface and nonrigid plastic runner, and the nonrigid plastic runner holds between the pond at nonrigid plastic pressure injection mouth interface and nonrigid plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100765103A CN102153011B (en) | 2011-03-29 | 2011-03-29 | Manufacturing process of sealing adhesive tape for elevator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100765103A CN102153011B (en) | 2011-03-29 | 2011-03-29 | Manufacturing process of sealing adhesive tape for elevator door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102153011A true CN102153011A (en) | 2011-08-17 |
| CN102153011B CN102153011B (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100765103A Expired - Fee Related CN102153011B (en) | 2011-03-29 | 2011-03-29 | Manufacturing process of sealing adhesive tape for elevator door |
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| CN (1) | CN102153011B (en) |
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| JPS642986A (en) * | 1987-06-25 | 1989-01-06 | Mitsubishi Electric Corp | Installation device for elevator |
| US4960375A (en) * | 1988-03-24 | 1990-10-02 | Kinugawa Rubber Industrial Co., Ltd. | Die for profile extrusion |
| JPH0412986A (en) * | 1990-05-07 | 1992-01-17 | Toshiba Corp | Elevator door device |
| US5679303A (en) * | 1994-09-22 | 1997-10-21 | Toyoda Gosei Co., Ltd. | Method of and an apparatus for forming weather strip by extrusion |
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| CN202007072U (en) * | 2011-03-29 | 2011-10-12 | 广州花都通用集团有限公司 | Sealing rubber strip for elevator door |
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| US5679303A (en) * | 1994-09-22 | 1997-10-21 | Toyoda Gosei Co., Ltd. | Method of and an apparatus for forming weather strip by extrusion |
| JP2005104677A (en) * | 2003-09-30 | 2005-04-21 | Toshiba Elevator Co Ltd | Elevator disaster prevention arrangement |
| JP2006021517A (en) * | 2004-06-09 | 2006-01-26 | Mitsuboshi Belting Ltd | Manufacturing method of two-layered rubber molded body |
| CN1740074A (en) * | 2005-09-16 | 2006-03-01 | 余惠江 | Lift cage sealing strip and its formation process |
| JP2007191249A (en) * | 2006-01-17 | 2007-08-02 | Toshiba Elevator Co Ltd | Elevator landing door device |
| CN200967268Y (en) * | 2006-11-14 | 2007-10-31 | 上海杰瑞挤出系统工程有限公司 | Plastic section bar surface coextruding mould |
| CN202007072U (en) * | 2011-03-29 | 2011-10-12 | 广州花都通用集团有限公司 | Sealing rubber strip for elevator door |
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| Publication number | Publication date |
|---|---|
| CN102153011B (en) | 2013-11-27 |
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