CN116604795B - Sealing member extrusion die - Google Patents
Sealing member extrusion die Download PDFInfo
- Publication number
- CN116604795B CN116604795B CN202310789534.6A CN202310789534A CN116604795B CN 116604795 B CN116604795 B CN 116604795B CN 202310789534 A CN202310789534 A CN 202310789534A CN 116604795 B CN116604795 B CN 116604795B
- Authority
- CN
- China
- Prior art keywords
- die
- mold
- sleeve
- extrusion
- hole
- 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.)
- Active
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 title abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 87
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims 3
- 239000003292 glue Substances 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010070 extrusion (rubber) Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000452 restraining effect Effects 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/302—Extrusion nozzles or dies being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
- B29L2031/265—Packings, Gaskets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses a sealing element extrusion die which comprises a main body assembly, wherein the main body assembly comprises a first die and a second die, the center of the first die is provided with an extrusion through hole, one side of the second die, which is opposite to the first die, is provided with a containing sink groove, the periphery of the second die is provided with a glue inlet, and the second die is provided with a total feeding flow channel; the extrusion assembly comprises a first extrusion module, the first extrusion module comprises a die core conversion transmission block, a first die core is connected to the die core conversion transmission block, a sliding connection hole is formed in the center of the die core conversion transmission block, the die core conversion transmission block is just connected with a second die core in a sliding manner through the sliding connection hole, the second die core can move into the extrusion through hole, and one end of the second die core can be flush with one side, away from the second die, of the first die; the first mold core and the second mold core can synchronously move into the extrusion through hole, and one end of the second mold core can be flush with one end of the first mold, which is far away from the second mold; the application can realize the change of the shape of the mold core without changing the second mold.
Description
Technical Field
The application relates to the technical field of sealing element processing, in particular to a sealing element extrusion die.
Background
The sealing element extrusion device is used for manufacturing rubber extrudates such as rubber tubes, rubber sealing strips and the like, for example, in the prior art, a Chinese patent with the name of 'a sealing strip extrusion die' is disclosed, the application number of which is 2022232362538, which comprises an extrusion die and a molding structure, wherein the extrusion die comprises a first die and a second die, a die core is arranged on the first die, the first die and the second die are connected through a fixing bolt, an extrusion runner is formed between the die core and the second die, the extrusion of the sealing strips can be realized, but only sealing strips with one shape can be extruded, the shape of the rubber extrudates cannot be changed, and when the shape of the rubber extrudates needs to be changed, the first die needs to be detached and replaced with a new first die, so that the processing efficiency is influenced.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above and/or problems occurring in the prior rubber extrusion apparatuses.
It is therefore an object of the present application to provide a seal extrusion die which can extrude rubber extrudates of a plurality of shapes, without the need to replace the first die during the change process, which is advantageous in improving the processing efficiency.
In order to solve the technical problems, the application provides the following technical scheme: a seal extrusion die, comprising,
the main body assembly comprises a first die and a second die, wherein a plurality of threaded holes are arranged on the first die, a plurality of threaded counter bores corresponding to the threaded holes one by one are arranged on one side of the second die opposite to the first die, an extrusion through hole is formed in the center of the first die, a containing sink groove is formed in the center of one side of the second die opposite to the first die, a glue inlet is formed in the periphery of the second die, a total feeding flow channel which is horizontally arranged is formed in the second die, one end of the total feeding flow channel is communicated with the glue inlet, and the other end of the total feeding flow channel is connected with the inner edge of the containing sink groove;
the extrusion assembly comprises a first extrusion module, the first extrusion module comprises a die core conversion transmission block, a first die core is connected to the die core conversion transmission block, a sliding connection hole is formed in the center of the die core conversion transmission block, a second die core is just connected to the die core conversion transmission block in a sliding mode through the sliding connection hole, when the die core conversion transmission block is accommodated in the sink, the second die core can move into the extrusion through hole, and one end of the second die core can be flush with one side, away from the second die, of the first die; when one end of the first mold core, which is far away from the mold core conversion transmission block, is flush with the outer end of the second mold core, the first mold core and the second mold core can synchronously move into the extrusion through hole, and one end of the second mold core can be flush with one end of the first mold, which is far away from the second mold.
As a preferred embodiment of the seal extrusion die of the present application, wherein: the one end that the second mould was relative to first mould has the installation cavity, rotationally be connected with the transmission lead screw in the second mould, the second mold core is opened towards the one end of second mould has the screw thread counter bore, the one end of transmission lead screw is through screw thread counter bore and second mold core threaded connection, and the other end of transmission lead screw rotationally connects the one end that keeps away from first mould at the second mould.
As a preferred embodiment of the seal extrusion die of the present application, wherein: the novel die core is characterized in that a transmission gear is connected to a transmission screw rod in the mounting cavity, the die core conversion transmission block comprises a movable sleeve connected to the first die core, a supporting hole communicated with the mounting cavity is formed in a second die for accommodating the inner edge of the sinking groove, the movable sleeve is just movably connected to one end far away from the first die through the supporting hole, the inner end of the movable sleeve is connected with a composite motion sleeve and a supporting sleeve surrounding the composite motion sleeve, and the sliding connection hole is formed in the supporting sleeve and the movable sleeve.
In order to realize extrusion of the sealing element between the first mold core and the inner edge of the first mold, a connecting screw rod is rotatably connected in the mounting cavity of the second mold, a driven gear is connected to the connecting screw rod in a sliding manner, the driven gear can be meshed with the transmission gear, and the connecting screw rod is in threaded connection with the supporting sleeve.
In order to further realize extrusion of the sealing piece between the first mold core and the inner edge of the first mold, the periphery of the supporting sleeve is fixedly connected with a linear driver, a push-pull rod capable of performing reciprocating linear motion is connected to the linear driver, one end of the push-pull rod, which is far away from the movable sleeve, is fixedly connected with a moving block, the connecting screw rod is rotatably connected to the moving block, meanwhile, the moving block can slide along the connecting screw rod, the moving block is rotatably connected with a rotating sleeve, the driven gear is fixedly connected to the moving block, a non-circular section is arranged on the driving screw rod, and one end of the rotating sleeve, which is far away from the linear driver, can just slide along the non-circular section.
In order to realize the rotation of the limiting mold core conversion transmission block, a limiting rotation sinking groove is formed in the periphery of the movable sleeve, a limiting rotation rod capable of moving towards or away from the direction where the limiting rotation sinking groove is located is connected to the second mold, the lower end of the limiting rotation rod can be inserted into the limiting rotation sinking groove exactly in a straight line, and the movable sleeve can slide along the limiting rotation rod through the limiting rotation sinking groove.
In order to further realize the rotation of the limiting mould core conversion transmission block, the periphery of the second mould is fixedly provided with a fixing part, the fixing part is rotatably connected with a transmission sleeve, the transmission sleeve drives a limiting rotation rod to do linear motion when rotating, the lower part of the limiting rotation rod is non-circular, and the second mould is provided with a sliding hole with the same shape as the lower part of the limiting rotation rod.
In order to further improve the reliability of limiting the rotation of the rotation rod, the transmission sleeve is provided with a rotation hole, the transmission sleeve is inserted with a limiting ring through the rotation hole, the limiting ring is fixedly connected to the upper end of the fixing part, the upper end of the transmission sleeve is fixedly connected with a rotation sleeve, the lower end of the rotation sleeve is abutted to the upper side of the limiting ring, and the upper portion of the limiting transmission rod is in threaded connection with the rotation sleeve.
In order to further realize extrusion of the sealing piece between the second mold core and the inner edge of the first mold, namely, extruding a pipe with a round hole, a round hole communicated with the sliding connection hole is formed in the center of the first mold core, a forming part corresponding to the round hole is arranged at the outer end of the second mold core, the outer side of the forming part can be flush with one side, away from the second mold, of the first mold, and the inner side of the forming part does not exceed the axial position of the outer side of the round hole.
In order to further realize extrusion of sealing elements with various shapes, the periphery of the first mold core is provided with bulges, the extrusion through holes are non-circular in shape, and the movable sleeve is just connected to the second mold in a rotating way through the circular supporting holes.
Compared with the prior art, the application has the following technical effects: the second mold core is slidably connected to the mold core conversion transmission block, when the outer sides of the second mold core and the first mold are level, only a new first mold corresponding to the second mold core is required to be installed on the second mold, the diameter of an extrusion through hole of the first mold is smaller than that of the movable sleeve, and the extrusion of the rubber tube with the round hole can be realized; the rotation limiting rod and the movable sleeve are combined to limit the rotation of the sinking groove, so that the rotation of the first mold core is limited, and when the outer end of the first mold core is level with the outer side of the first mold, the extrusion of the sealing piece with the special-shaped groove can be realized; when the extrusion of the sealing element with the abnormal-shaped groove with the angle of the extrusion through hole changed is required to be realized, the transmission block is converted by the rotary mold core, and when the bulge rotates to a proper angle, the rotary molding rotary block is stopped, so that the sealing element with the abnormal-shaped groove with the angle of the outer edge of the extrusion through hole correspondingly changed can be realized; the application can realize extrusion of sealing elements with various shapes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a perspective view of a molding part and a first mold in the present application when the molding part is leveled with the outside.
Fig. 2 is a diagram of the first embodiment of the present application.
Fig. 3 is a view from the direction of fig. 2 at A-A.
Fig. 4 is a diagram showing a second embodiment of the present application.
Fig. 5 is a view from the side at B-B in fig. 4.
Fig. 6 is a second perspective view of the present application.
Fig. 7 is a partial enlarged view at C in fig. 6.
FIG. 8 is a cross-sectional view of the present application illustrating the connection of the restraining transmission rod to the intermediate mold core body.
Fig. 9 is a perspective view of the first mold core outside and the first mold outside in the leveling state in the present application.
Fig. 10 is a perspective view of the first mold hidden in the present application.
Fig. 11 is a perspective view of the second mold hidden in the present application.
Fig. 12 is a partial enlarged view at D in fig. 11. .
Fig. 13 is a cross-sectional view showing the connection of the moving block, the rotating block and the connecting screw.
Fig. 14 is a schematic perspective view of an intermediate mold core body according to the present application.
In the drawing, 100 main body components, 101 first mold, 101a extrusion through hole, 101b threaded hole, 102 second mold, 102a second outer mold core body, 102b intermediate mold core body, 102b-1 intermediate connecting hole, 102b-2 rotating plate, 102b-3 rotating ring, 102b-4 fixing part, 102b-5 sliding hole, 102c first outer mold core body, 102c-1 accommodating sink groove, 102c-2 first fixing plate, 102c-3 annular rotating sink groove, 102c-4 outer connecting hole, 102c-5 second fixing plate, 102d glue inlet, 102e total feeding runner, 102e-1 second outer feeding runner, 102e-2 intermediate feeding runner, 102e-3 first outer feeding runner, 102f supporting hole, 102g sliding connecting hole, 102h of installation cavity, 102i of threaded counter bore, 200 of extrusion assembly, 202 of second mold core, 202a of forming part, 203 of first extrusion module, 203a of first mold core, 203a-1 of round hole, 203a-2 of protrusion, 203b of mold core conversion transmission block, 203b-1 of support sleeve, 203b-2 of movable sleeve, 203b-3 of composite movement sleeve, 203b-4 of limited rotation sink, 204 of support plate, 205 of transmission gear, 206 of limited rotation rod, 207 of linear driver, 208 of push-pull rod, 209 of moving block, 209a of rotating sink, 210 of rotating sleeve, 210a sliding part, 211 of connecting lead screw, 211a of non-circular segment, 212 of driven gear, 213 of transmission sleeve, 214 of rotating sleeve, 214a of fixed hole, 215 of limiting ring, 216 of rotating block.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 5 and 9 to 13, the present embodiment provides a seal extrusion die capable of extruding seal pipes of different shapes.
The seal extrusion die comprises a main body assembly 100, wherein the main body assembly 100 comprises a first die 101 and a second die 102, a plurality of threaded holes 101b are arranged on the first die 101, a plurality of threaded counter bores 102i which correspond to the threaded holes 101b one by one are arranged on one side of the second die 102 opposite to the first die 101, the first die 101 and the second die 102 are fixedly connected together by screwing the threaded holes 101b and the threaded counter bores 102i through connecting bolts, an extrusion through hole 101a is formed in the center of the first die 101, a containing sink groove 102c-1 is formed in the center of one side of the second die 102 opposite to the first die 101, a glue inlet 102d is formed in the periphery of the second die 102, a total feeding flow passage 102e which is horizontally arranged is formed in the second die 102, one end of the total feeding flow passage 102e is communicated with the glue inlet 102d, and the other end of the total feeding flow passage 102e is connected with the inner edge of the containing sink groove 102 c-1; an extrusion assembly 200 is disposed within the body assembly 100.
Specifically, the extrusion assembly 200 includes a first extrusion module 203, where the first extrusion module 203 includes a die core conversion transmission block 203b, a first die core 203a is connected to the die core conversion transmission block 203b, a sliding connection hole 102g is formed in the center of the die core conversion transmission block 203b, a second die core 202 is just slidably connected to the die core conversion transmission block 203b through the sliding connection hole 102g, a round hole 203a-1 communicating with the sliding connection hole 102g is formed in the center of the first die core 203a, a forming part 202a corresponding to the round hole 203a-1 is arranged at the outer end of the second die core 202, the outer side of the forming part 202a can be flush with one side of the first die 101 away from the second die 102, and the inner side of the forming part 202a does not exceed the axial position of the outer side of the round hole 203 a-1; when the die core conversion transmission block 203b is accommodated in the sinking groove 102c-1, the second die core 202 can be moved into the extrusion through hole 101a, and one end of the second die core 202 can be flush with one side of the first die 101 away from the second die 102; when the end of the first die core 203a away from the die core switching transmission block 203b is flush with the outer end of the second die core 202, the first die core 203a and the second die core 202 can be synchronously moved into the extrusion through hole 101a, and the end of the second die core 202 can be flush with the end of the first die 101 away from the second die 102.
When the first mold core 203a is fixed and the second mold core 202 moves into the extrusion through hole 101a, and when the outer side of the forming part 202a and the outer side of the first mold 101 are level, the second mold core 202 stops moving, during processing, materials are introduced into the second mold 102 through the glue inlet 102d, the materials flow out through the total feeding flow channel 102e, the materials are sequentially buffered for the first time and the second time through the movable sleeve 203b-2 and the outer edge of the second mold core 202, finally the materials pass through an extrusion flow channel extrusion mold formed between the outer edge of the extrusion through hole 101a and the first mold core 203a, a sealing tube with a round hole 203a-1 is extruded, and a sealing ring can be formed through cutting in the later stage; when the sealing tube with the special-shaped groove needs to be processed, the second mold core 202 moves reversely and is retracted into the first mold core 203a, so that the outer side of the forming part 202a is flush with the outer side of the first mold core 203a, the first mold core 203a and the second mold core 202 synchronously move towards the direction where the first mold 101 is located, when the outer side of the first mold core 203a is flush with the outer side of the first mold 101, the first mold core 203a and the second mold core 202 stop moving, the processing process is the same as that described above, and the sealing tube with the same shape as the outer edge of the first mold core 203a is finally extruded, and a corresponding sealing piece is formed after cutting in the later stage, so that the sealing tube is suitable for sealing occasions adapting to the special-shaped groove.
Specifically, one end of the second mold 102 opposite to the first mold 101 is provided with a mounting cavity 102h, a transmission screw is rotatably connected in the second mold 102, one end of the second mold core 202 facing the second mold 102 is provided with a threaded counter bore 102i, one end of the transmission screw is in threaded connection with the second mold core 202 through the threaded counter bore 102i, the other end of the transmission screw is rotatably connected at one end of the second mold 102 far away from the first mold 101, the transmission screw in the mounting cavity 102h is connected with a transmission gear 205, the mold core conversion transmission block 203b comprises a movable sleeve 203b-2 fixed at the inner side of the first mold core 203a, the outer diameter of the movable sleeve 203b-2 is not larger than the outer diameter of the first mold core 203a, in this embodiment, the outer diameter of the movable sleeve 203b-2 is preferably the same as the outer diameter of the first mold core 203a, a supporting hole 102f communicated with the mounting cavity 102h is provided on the second mold 102 accommodating the inner edge of the counter sink 102c-1, the movable sleeve 203b-2 is just movably connected to one end far away from the first die 101 through the supporting hole 102f, the inner end of the movable sleeve 203b-2 is fixedly provided with a compound moving sleeve 203b-3 and a supporting sleeve 203b-1 which is arranged on the inner periphery of the compound moving sleeve 203b-3, the sliding connecting hole 102g is arranged on the supporting sleeve 203b-1 and the movable sleeve 203b-2, the mounting cavity 102h of the second die 102 is also rotatably connected with a connecting lead screw 211, the second die 102 is rotationally connected with a supporting plate 204, the inner walls of the second die 102 on two sides of the supporting plate 204 are respectively fixedly provided with a limiting plate which limits the axial movement of the supporting plate 204, the connecting lead screw 211 and a transmission lead screw are also arranged at intervals and are rotatably connected to the supporting plate 204, the connecting lead screw 211 is slidably connected with a driven gear 212, the driven gear 212 can be meshed with the transmission gear 205, the connection screw 211 is screw-coupled to the support sleeve 203 b-1.
In the implementation process, a motor for driving the screw rod to rotate is fixedly connected outside the second die 102; when the second mold core 202 is required to extend into the extrusion through hole 101a, the motor is controlled to act, the transmission screw rod rotates, the first mold core 203a is fixed, the transmission screw rod drives the second mold core 202 to move, the second mold core 202 slides along the sliding connection hole 102g, and when the outer side of the second mold core 202 and one side of the first mold 101, which is far away from the second mold 102, are leveled, the motor stops acting to realize a sealing tube with a round hole 203 a-1; when the sealed tube with the opposite grooves needs to be extruded, the motor reversely acts, the transmission screw reversely rotates, the second mold core 202 reversely moves into the first mold core 203a, when the outer side of the second mold core 202 is flush with the outer side of the first mold core 203a, the motor stops acting, the driven gear 212 is meshed with the transmission gear 205, when the motor acts, the transmission screw drives the transmission gear 205 to rotate, the transmission gear 205 drives the connection screw 211 to rotate through the driven gear 212, the transmission gear 205 is the same as the driven gear 212 in shape, the transmission screw and the connection screw 211 respectively drive the second mold core 202 and the supporting sleeve 203b-1 to synchronously move, the action direction of the motor is controlled, the first mold core 203a and the second mold core 202 synchronously extend into the extrusion through hole 101a, when the first mold core 203a moves to be even with the outer side of the first mold 101, the motor stops acting, and when working in this state, the sealing piece with the abnormal grooves can be extruded.
In order to further realize the simultaneous rotation of the connection screw 211 and the transmission screw, the outer circumference of the supporting sleeve 203b-1 is fixedly connected with a linear driver 207, which is in the prior art, the linear driver 207 is connected with a push-pull rod 208 capable of performing reciprocating linear motion, one end of the push-pull rod 208, which is far away from the movable sleeve 203b-2, is fixedly connected with a movable block 209, the connection screw 211 is rotatably connected with the movable block 209, meanwhile, the movable block 209 can slide along the connection screw 211, the movable block 209 is rotatably connected with a rotating sleeve 210, a driven gear 212 is fixedly connected with the movable block 209, the transmission screw is provided with a non-circular section 211a, one side of the movable block 209, which is opposite to the linear driver 207, is provided with an annular rotary sinking groove 209a, one side of the movable block 209, which is far away from the linear driver 207, is provided with a connection sinking groove, one end of the rotating sleeve 210, which is opposite to the linear driver 207, is abutted against the movable block 209 at the inner edge of the connection sinking groove, the rotary block 216 and the rotating sleeve 210 are fixedly connected with a sliding section 211a just along the non-circular section 211a, which is fixed at one end of the rotating sleeve 210, which is far away from the linear driver 207.
When the connecting screw 211 is in transmission connection with the transmission screw, the linear driver 207 acts, the push-pull rod 208 drives the driven gear 212 to move towards the direction of the driving gear through the moving block 209, when the driven gear 212 is meshed with the transmission gear 205, the linear driver 207 stops acting, and after the transmission screw rotates, the linear driver 207 continues to act, so that the driven gear 212 is always meshed with the transmission gear 205, and synchronous movement of the first mold core 203a and the second mold core 202 is realized.
Example 2
Referring to fig. 6 to 8, this embodiment provides a seal extrusion die, which is different from embodiment 1 in that it can achieve extrusion of seal pipes of more different shapes.
The sealing element extrusion die comprises a fixed part 102b-4 fixed on the periphery of a second die 102, a transmission sleeve 213 is rotatably connected to the fixed part 102b-4, the transmission sleeve 213 drives a limiting rotation rod 206 to do linear motion when rotating, the lower part of the limiting rotation rod 206 is non-circular, a sliding hole 102b-5 with the same shape as the lower part of the limiting rotation rod 206 is formed in the second die 102, a strip-shaped limiting rotation sinking groove 203b-4 is formed in the periphery of a movable sleeve 203b-2, a limiting rotation rod 206 capable of moving towards or away from the direction in which the limiting rotation sinking groove 203b-4 is formed in the second die 102, the lower end of the limiting rotation rod 206 can be inserted into the limiting rotation sinking groove 203b-4 exactly in a linear mode, the movable sleeve 203b-2 can slide along the limiting rotation rod 206 through the limiting rotation sinking groove 203b-4, a rotating hole is formed in the transmission sleeve 213, a limiting ring 215 used for limiting axial movement of the transmission sleeve 213 is inserted into the rotating hole, the limiting rotation sleeve 215 is fixedly connected to the upper end of the fixed sleeve 203b-4, the upper end of the transmission sleeve 213 is fixedly connected to the upper end of the limiting rotation sleeve 214, and the lower end of the limiting rotation sleeve 214 is fixedly connected to the limiting rotation sleeve 214 b is connected to the upper end of the limiting rotation sleeve 214.
Rotating the rotating sleeve 214, limiting the rotating rod 206 to linearly move under the action of the sliding hole 102b-5, controlling the rotating direction of the rotating sleeve 214, enabling the limiting rotating rod 206 to linearly move towards the direction of the movable sleeve 203b-2, stopping rotating the rotating sleeve 214 when the limiting rotating rod 206 is inserted into a proper position in the limiting rotating sink, and avoiding the rotation of the first mold core 203 a; when the first mold core 203a moves, the movable sleeve 203b-2 slides along the rotation limiting lever 206 via the rotation limiting recess 203 b-4; the periphery of the movable sleeve 203b-2 is provided with a plurality of rotation limiting counter bores, when the angle of the protrusion 203a-2 relative to the inner edge of the first die 101 needs to be adjusted, the motor is detached from the transmission screw rod, the movable sleeve 203b-2 is rotated, when the protrusion 203a-2 rotates to a proper angle, the rotation of the movable sleeve 203b-2 is stopped, the angle adjustment of the protrusion 203a-2 relative to the outer edge of the extrusion through hole 101a is realized, and the extrusion work of the sealing tube with different-angle special-shaped grooves is realized.
Example 3
Referring to fig. 3, 8 and 14, the present embodiment provides a seal extrusion die which is different from embodiments 1 and 2 in that it can further perform extrusion of extrudates of more different shapes without replacing the second die 102.
Specifically, the second mold 102 includes a first outer mold core body 102c and a second outer mold core body 102a, an intermediate mold core body 102b is rotatably connected between the first outer mold core body 102c and the second outer mold core body 102a, a first fixing plate 102c-2 is fixed on the outer periphery of one side of the first outer mold core body 102c, which abuts against the intermediate mold core body 102b, a second fixing plate 102c-5 is fixed on the outer periphery of one side of the second outer mold core body 102a, rotating plates 102b-2 are fixed on the outer sides of both ends of the intermediate mold core body 102b in the axial direction, annular rotating countersink 102c-3 are arranged on the opposite sides of the first fixing plate 102c-2 and the second fixing plate 102c-5, rotating rings 102b-3 corresponding to the annular rotating countersink 102c-3 are fixed on the sides, a plurality of intermediate connecting holes 102b-1 are arranged on the rotating rings 102b-3, and a plurality of outer connecting holes 102c-4 corresponding to the intermediate connecting holes 102b-1 are arranged on the first fixing plate 102c-2 and the second fixing plate 102 c-5; the first outer mold core body 102c is provided with a first outer feed runner 102e-3, the second outer mold core body 102a is provided with a second outer feed runner 102e-1, the middle mold core body 102b is provided with a plurality of middle feed runners 102e-2, the number of the middle feed runners 102e-2 is the same as that of the middle connecting holes 102b-1, the middle feed runner 102e-2 is always coaxial with the first outer feed runner 102e-3 and the second outer feed runner 102e-1, the middle feed runner 102e-2 and the first outer feed runner 102e-3 form a total feed runner 102e.
In the initial state, the intermediate die core body 102b is fixedly connected to the first outer die core body 102c and the second outer die core body 102a by screwing the fixing bolts into the outer connection holes 102c-4 and the intermediate connection holes 102 b-1; before the angle of the first mold core 203a is adjusted, a rotation limiting rod 206 is inserted into the rotation limiting sink 203b-4, a fixing bolt is loosened, the middle mold core body 102b is rotated, the middle mold core body 102b drives a movable sleeve 203b-2 to rotate along a circular supporting hole 102f through the rotation limiting rod 206, when the first mold core 203a rotates to a proper angle, at the moment, the middle connecting hole 102b-1 and a new outer connecting hole 102c-4 are coaxial, the middle mold core body 102b is re-fixed between the first outer mold core body 102c and the second outer mold core body 102a by using the fixing bolt, and the new middle feed runner 102e-2, the first outer feed runner 102e-3 and the second outer feed runner 102e-1 are coaxial, so that the angle adjustment of the first mold core 203a is realized; when the axial position of the first mold core 203a needs to be readjusted, the output shaft of the motor is connected to a transmission screw outside the second mold 102, and the motor is fixed; to facilitate the extrusion of new tubular extrudates of different shapes.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the technical solution, and the threads of the present application are not shown, but do not affect the understanding of the technical solution by those skilled in the art; while the application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents substituted for elements thereof without departing from the spirit and scope of the application, which is intended to be encompassed by the appended claims.
Claims (5)
1. A seal extrusion die, characterized in that: which comprises the steps of (a) a step of,
the main body assembly (100), main body assembly (100) includes first mould (101) and second mould (102), a plurality of screw holes (101 b) have been arranged on first mould (101), one side of second mould (102) relative first mould (101) has installation cavity (102 h) and has arranged a plurality of screw thread counter bores (102 i) with screw hole (101 b) one-to-one, extrusion through hole (101 a) has been opened at the center of first mould (101), accommodation sink (102 c-1) has been opened at the center of second mould (102) relative first mould (101) one side, the periphery of second mould (102) is equipped with into gluey mouth (102 d), second mould (102) has opened total feeding runner (102 e) of level setting, one end and gluey mouth (102 d) intercommunication of total feeding runner (102 e), and the other end and the accommodation of total feeding runner (102 e) are connected to the inner edge of sink (102 c-1);
the extrusion assembly (200), the extrusion assembly (200) comprises a first extrusion module (203), the first extrusion module (203) comprises a die core conversion transmission block (203 b), a first die core (203 a) is connected to the die core conversion transmission block (203 b), a sliding connection hole (102 g) is formed in the center of the die core conversion transmission block (203 b), a second die core (202) is just connected to the die core conversion transmission block (203 b) in a sliding manner through the sliding connection hole (102 g), when the die core conversion transmission block (203 b) is accommodated in the sink (102 c-1), the second die core (202) can move into the extrusion through hole (101 a), and one end of the second die core (202) can be flush with one side, away from the second die (102), of the first die (101); when one end of the first mold core (203 a) far away from the mold core conversion transmission block (203 b) and the outer end of the second mold core (202) are leveled, the first mold core (203 a) and the second mold core (202) can synchronously move into the extrusion through hole (101 a), one end of the second mold core (202) can be flush with one end of the first mold (101) far away from the second mold (102), a transmission screw is rotatably connected in the second mold (102), one end of the second mold core (202) facing the second mold (102) is provided with a threaded counter bore (102 i), one end of the transmission screw is in threaded connection with the second mold core (202) through the threaded counter bore (102 i), the other end of the transmission screw is rotatably connected with one end of the second mold (102) far away from the first mold (101), the transmission screw in the installation cavity (102 h) is connected with a transmission gear (205), the mold core conversion transmission block (203 b) comprises a movable sleeve (203 b-2) connected on the first mold (203 a), one end of the accommodation groove (102 c-1) faces the second mold (102) and the movable sleeve (102 f) is just far away from the first mold (102 f) through the movable sleeve (102 f), the inner end of the movable sleeve (203 b-2) is fixedly provided with a composite movement sleeve (203 b-3) and a support sleeve (203 b-1) which is arranged on the inner periphery of the composite movement sleeve (203 b-3), the sliding connection hole (102 g) is formed in the support sleeve (203 b-1) and the movable sleeve (203 b-2), the periphery of the movable sleeve (203 b-2) is provided with a rotation limiting sinking groove (203 b-4), the second die (102) is connected with a rotation limiting rod (206) which can move towards or away from the rotation limiting sinking groove (203 b-4), the lower end of the rotation limiting rod (206) can be exactly inserted into the rotation limiting sinking groove (203 b-4) in a straight line, the movable sleeve (203 b-2) can slide along the rotation limiting rod (206) through the rotation limiting sinking groove (203 b-4), the periphery of the second die (102) is fixedly provided with a fixing part (102 b-4), the fixing part (102 b-4) is rotatably connected with a transmission sleeve (213), the transmission sleeve (213) can rotate in a rotation limiting mode, and the transmission part (213) is provided with a circular rotation limiting hole (213) and the upper end (213) is provided with a rotation limiting hole (213), the transmission sleeve (213) is inserted with a limiting ring (215) through a rotating hole, the limiting ring (215) is fixedly connected to the upper end of the fixed part (102 b-4), the upper end of the transmission sleeve (213) is fixedly connected with a rotary sleeve (214), the lower end of the rotary sleeve (214) is abutted to the upper side of the limiting ring (215), and the upper portion of the limiting transmission rod is in threaded connection with the rotary sleeve (214).
2. A seal extrusion die as set forth in claim 1 wherein: a connecting screw rod (211) is rotatably connected in the mounting cavity (102 h) of the second die (102), a driven gear (212) is connected to the connecting screw rod (211) in a sliding mode, the driven gear (212) can be meshed with the transmission gear (205), and the connecting screw rod (211) is in threaded connection with the supporting sleeve (203 b-1).
3. A seal extrusion die as set forth in claim 2 wherein: the support sleeve (203 b-1) periphery fixedly connected with linear drive (207), be connected with push-and-pull rod (208) that can do reciprocal rectilinear motion on linear drive (207), one end fixedly connected with movable sleeve (203 b-2) is kept away from to push-and-pull rod (208), connecting lead screw (211) rotationally connect on movable sleeve (209), and movable sleeve (209) can slide along connecting lead screw (211) simultaneously, rotationally be connected with on movable sleeve (209) and rotate cover (210), driven gear (212) fixed connection is on movable sleeve (209), has non-circular section (211 a) on the drive lead screw, and the one end that linear drive (207) was kept away from to rotate cover (210) can just slide along non-circular section (211 a).
4. A seal extrusion die according to claim 3, wherein: the center of the first mold core (203 a) is provided with a round hole (203 a-1) communicated with the sliding connection hole (102 g), the outer end of the second mold core (202) is provided with a forming part (202 a) corresponding to the round hole (203 a-1), the outer side of the forming part (202 a) can be flush with one side, far away from the second mold (102), of the first mold (101), and the inner side of the forming part (202 a) does not exceed the axial position of the outer side of the round hole (203 a-1).
5. A seal extrusion die as set forth in claim 4 wherein: the periphery of the first mold core (203 a) is provided with protrusions (203 a-2), the extrusion through hole (101 a) is non-circular, and the movable sleeve (203 b-2) is just connected to the second mold (102) in a rotating way through the circular supporting hole (102 f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310789534.6A CN116604795B (en) | 2023-06-30 | 2023-06-30 | Sealing member extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310789534.6A CN116604795B (en) | 2023-06-30 | 2023-06-30 | Sealing member extrusion die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116604795A CN116604795A (en) | 2023-08-18 |
| CN116604795B true CN116604795B (en) | 2023-10-20 |
Family
ID=87678442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310789534.6A Active CN116604795B (en) | 2023-06-30 | 2023-06-30 | Sealing member extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116604795B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1552528A (en) * | 1976-09-07 | 1979-09-12 | Anger A | Extrusion dies for making tubing of plastics material |
| DE102012013381A1 (en) * | 2012-07-01 | 2014-01-02 | Maik Hentschel | Adjustable extrusion die for extruding tube-shaped plastic preforms, comprises aperture system with adjustable die orifice, where aperture blades are radially symmetric in aperture plane perpendicular to flow direction of mold material |
| CN207240800U (en) * | 2017-10-12 | 2018-04-17 | 福建亚通新材料科技股份有限公司 | It is a kind of can on-line control tube wall thickness sphere mouth mold device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926509B2 (en) * | 2002-05-31 | 2005-08-09 | Ndh Medical, Inc. | Apparatus for extruding tubing having a variable wall thickness |
-
2023
- 2023-06-30 CN CN202310789534.6A patent/CN116604795B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1552528A (en) * | 1976-09-07 | 1979-09-12 | Anger A | Extrusion dies for making tubing of plastics material |
| DE102012013381A1 (en) * | 2012-07-01 | 2014-01-02 | Maik Hentschel | Adjustable extrusion die for extruding tube-shaped plastic preforms, comprises aperture system with adjustable die orifice, where aperture blades are radially symmetric in aperture plane perpendicular to flow direction of mold material |
| CN207240800U (en) * | 2017-10-12 | 2018-04-17 | 福建亚通新材料科技股份有限公司 | It is a kind of can on-line control tube wall thickness sphere mouth mold device |
Non-Patent Citations (1)
| Title |
|---|
| 刘靖岩.《模具设计与制造》.中国轻工业出版社,2005,第146-147页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116604795A (en) | 2023-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101483365B (en) | Driving component used for rotation and translation of a shaft | |
| CN116604795B (en) | Sealing member extrusion die | |
| CN215589901U (en) | Extrusion die with adjustable pipe diameter | |
| CN112296154B (en) | Metal corrugated pipe forming machine and forming method using same | |
| KR101716706B1 (en) | Multilayer extruder for tire manufacturing | |
| CN116060984B (en) | Tensioning oil cylinder structure, clamp and spiral bevel gear machine tool | |
| CN219600356U (en) | Blow molding machine | |
| CN110114201A (en) | Extrusion equipment including improved extruder head | |
| CN219401715U (en) | Extruder is used in aluminium alloy production | |
| CN212072896U (en) | Improved generation is extrusion head for plastic extruder | |
| CN211542306U (en) | Rubber sheet extruder | |
| CN112517981A (en) | Hydraulic punching device | |
| CN215589861U (en) | Combined screw | |
| CN113021479A (en) | Two-way centre gripping and PE tubular product processing auxiliary device of even application of force | |
| CN114030159B (en) | Screw rod combined structure of screw extruder | |
| CN107588056A (en) | Composite oil cylinder | |
| CN220129474U (en) | Pig back type co-extruder | |
| CN219543971U (en) | Extrusion molding die convenient to cable extruder trades mould fast | |
| CN220499879U (en) | High-efficient extruder screw rod | |
| CN219101132U (en) | Aluminum alloy window easy to splice | |
| US20230405889A1 (en) | Multi-mold block drive device and injection molding machine having the multi-mold block drive device | |
| CN212399998U (en) | Kneading machine with adjustable kneading roller interval | |
| CN213797947U (en) | Double-layer co-extrusion type extruder for cable processing | |
| CN219706001U (en) | Plastic pipe extrusion die | |
| CN212422103U (en) | Power input mechanism of single-screw extruder |
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 |