CN116572561A - Carbon fiber pultrusion braided tube forming equipment - Google Patents
Carbon fiber pultrusion braided tube forming equipment Download PDFInfo
- Publication number
- CN116572561A CN116572561A CN202310864023.6A CN202310864023A CN116572561A CN 116572561 A CN116572561 A CN 116572561A CN 202310864023 A CN202310864023 A CN 202310864023A CN 116572561 A CN116572561 A CN 116572561A
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- Prior art keywords
- driving
- carbon fiber
- ring
- glue injection
- supporting sleeve
- Prior art date
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 78
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 78
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 239000003292 glue Substances 0.000 claims abstract description 97
- 238000002347 injection Methods 0.000 claims abstract description 78
- 239000007924 injection Substances 0.000 claims abstract description 78
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 34
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000009941 weaving Methods 0.000 abstract description 16
- 238000001125 extrusion Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000009954 braiding Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/525—Component parts, details or accessories; Auxiliary operations
- B29C70/526—Pultrusion dies, e.g. dies with moving or rotating parts
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses carbon fiber pultrusion braided tube forming equipment, which relates to the technical field of tube glue injection forming and comprises a glue injection mold, a rotating ring, a supporting sleeve and a strip-shaped groove; a rotatory drive division for driving swivel becket along its own circumference rotation, this carbon fiber pultrusion braided tube material former, the tube core penetrates in the propping cover, prop the epaxial carbon fiber weaving layer of propping and receive the extrusion of propping the cover, and then make the resistance increase that the carbon fiber weaving layer penetrated into the injecting glue mould, make the carbon fiber weaving layer that penetrates into in the injecting glue mould receive the drag like this, realize the tensioning to the carbon fiber weaving, reduce the loosening of carbon fiber weaving layer, and then when injecting glue, improve fashioned effect, in addition because prop the cover and drive its rotation by rotary drive division, make prop the cover also have the effort along tube core circumference to the carbon fiber weaving layer simultaneously, under the effect of compound force, further reduced the loosening of carbon fiber weaving layer.
Description
Technical Field
The invention relates to the technical field of pipe glue injection molding, in particular to carbon fiber pultrusion braided pipe molding equipment.
Background
After the carbon fiber braided tube is braided, the carbon fiber braided layer braided on the tube core of the tube is required to be injected with glue, at present, the tube core braided with the carbon fiber braided layer is pulled by a traction device, the tube core penetrates into a glue injection mold, a glue injection hole is formed in the glue injection mold, glue is injected into the glue injection hole through the glue injection device, the surface of the carbon fiber braided layer on the tube core is injected with glue, then the tube core is pulled to move, and the tube core is extruded by an inner hole of the glue injection mold, so that the glue injection is combined with the carbon fiber braided layer in a hot melting mode, and further the forming of the carbon fiber braided layer on the tube is realized.
Because the weaving of the carbon fiber at the local position is possibly not tight when the carbon fiber is woven on the tube core, the carbon fiber weaving layer at the position is loose, and the weaving effect of the carbon fiber weaving layer is poor, when glue is injected, the carbon fiber weaving layer at the position cannot be tightly adhered to the surface of the tube core, and the glue injection molding effect is affected, so that the carbon fiber weaving layer on the tube core is necessarily tightened before glue injection, and the glue injection molding effect is not affected.
For this purpose, we propose a carbon fiber pultrusion braided tube forming device.
Disclosure of Invention
The invention aims to provide carbon fiber pultrusion braided tube forming equipment so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tubular product former is woven in carbon fiber pultrusion, includes the injecting glue mould of installing on the fixing base, still includes:
a rotating ring coaxially connected to one end of the glue injection mold in a rotating way;
the outer diameter of the support sleeve is gradually decreased towards the direction away from the glue injection mould, and a plurality of strip-shaped grooves are formed in the periphery of the support sleeve along the axial array of the support sleeve;
and a rotation driving part for driving the rotating ring to rotate along the circumferential direction of the rotating ring.
Preferably, a die pulling part is arranged at the outer side of the glue injection die, and the die pulling part comprises:
the support is arranged at the outer side of the axial direction of the glue injection mould;
the two driving rollers are sequentially connected to the support in a rotating manner from top to bottom, a circle of arc-shaped grooves are formed in the periphery of the driving rollers, and a tube core clamping opening is formed between the arc-shaped grooves on the two driving rollers in a surrounding manner;
two gears connected to the driving rollers, wherein the two gears on the two driving rollers are externally meshed;
and the traction motor is arranged on the support and is in driving connection with one of the driving rollers.
Preferably, an annular inner cavity is arranged in the glue injection mold, a plurality of annular grooves are formed in the inner wall of the glue injection mold, glue injection ports communicated with the annular inner cavity are formed in the outer wall of the glue injection mold, and a plurality of communication holes communicated with the annular grooves are formed in the inner wall of the annular inner cavity.
Preferably, the rotation driving part includes:
the gear part is coaxially arranged on the rotating ring;
a rotating motor mounted on the fixed base;
and the driving gear is in driving connection with the rotating motor and is externally meshed with the gear part.
Preferably, the glue injection mold is far away from one end of the support sleeve and is coaxially provided with a mounting seat, a sliding cavity communicated with an inner hole of the glue injection mold is formed in the mounting seat, two arc-shaped blocks capable of freely sliding along the radial direction of the sliding cavity are arranged in the sliding cavity, spiral ribs are arranged on the inner cambered surfaces of the two arc-shaped blocks, an air exhaust hole in the form of a through hole is formed in the arc-shaped blocks, an air exhaust hole communicated with the sliding cavity is formed in the mounting seat, and a movable driving part for driving the two arc-shaped blocks to move relatively is further arranged on the glue injection mold.
Preferably, the movement driving part includes:
the driving ring is sleeved on the supporting sleeve in a sliding manner, and a conical groove matched with the supporting sleeve is coaxially formed in the driving ring;
two push rods connected to the periphery of the driving ring, wherein one end of each push rod, which is far away from the driving ring, is provided with a short pin;
the driving rod is connected to the outer cambered surface of the arc-shaped block, and one end of the driving rod penetrates out of the mounting seat and can freely slide;
the driving block is connected to the driving rod and penetrates out of one end of the mounting seat, a through groove for the push rod to freely pass through is formed in the driving block, a waist-shaped hole for the short pin to be inserted and closed is formed in the driving block, and the minimum value of the included angle between the length direction of the waist-shaped hole and the axial direction of the driving rod is an acute angle.
Preferably, the arc-shaped block is made of rubber material.
Preferably, a deformation detecting assembly is provided on the driving ring, and the deformation detecting assembly includes:
the detection columns penetrate through the driving ring along the axial array of the driving ring, the axial direction of the detection columns is vertical to the axial direction of the supporting sleeve, the detection columns can freely slide on the driving ring, and one end of each detection column penetrating through the driving ring is in abutting connection with the periphery of the supporting sleeve;
the pressure sensor is arranged on the outer wall of the driving ring and corresponds to the detection column;
a compression ring movably sleeved on the detection column;
and the elastic piece is used for elastically propping against the compression ring so as to enable the compression ring to prop against the surface of the pressure sensor.
Preferably, the elastic piece comprises a U-shaped frame arranged on the outer wall of the driving ring, one end, far away from the driving ring, of the detection column penetrates out of the U-shaped frame and can slide freely, a spring is sleeved on the detection column, and two ends of the elastic direction of the spring respectively elastically abut against the compression ring and the U-shaped frame.
Preferably, one end of the support sleeve, which is far away from the glue injection mold, is provided with a bending part, and the outer diameter of the bending part increases gradually towards the direction far away from the support sleeve.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the supporting sleeve and the rotary driving part are arranged, after the pipe core penetrates into the supporting sleeve, the supporting sleeve has elastic extrusion force along the radial inner side of the pipe core and the carbon fiber woven layer on the pipe core, so that the carbon fiber woven layer on the supporting sleeve can be extruded by the supporting sleeve, the resistance of the carbon fiber woven layer penetrating into the glue injection mould is increased, the carbon fiber woven layer penetrating into the glue injection mould is pulled, the tensioning of carbon fiber woven layer is realized, the loosening of the carbon fiber woven layer is reduced, the forming effect is improved during glue injection, and in addition, the supporting sleeve is driven to rotate by the rotary driving part, so that the supporting sleeve can simultaneously have acting force along the circumferential direction of the pipe core on the carbon fiber woven layer, and the loosening of the carbon fiber woven layer is further reduced under the action of the composite acting force;
according to the invention, the arc-shaped blocks and the spiral ribs are arranged, so that the spiral ribs on the two arc-shaped blocks can extrude the tube core after glue injection and the carbon fiber woven layer on the tube core, so that bubbles in the carbon fiber woven layer after glue injection are removed to at least a certain extent, then the sliding cavity is pumped out through the pumping equipment through the pumping hole, and then the bubbles in the carbon fiber woven layer are pumped out through the pumping hole, so that the sliding cavity is in a negative pressure state, and air is prevented from entering the carbon fiber woven layer after glue injection, and the glue injection quality of the carbon fiber woven layer is further influenced;
according to the invention, the driving ring, the push rod, the driving block and the short pin are arranged, so that after the tube core penetrates into the supporting sleeve, the supporting sleeve is supported, and the driving ring can be driven to move in the direction away from the glue injection mould, so that the distance between the arc blocks can adapt to the tube cores with different tube diameters, namely, when the tube diameters of the tube cores are changed in a direct proportion, the distance between the two arc blocks is increased, the tube cores with different tube diameters are adapted, and the damage to carbon fiber woven layers on the tube cores due to the too small distance between the arc blocks is avoided;
according to the invention, the deformation detection assembly is arranged, so that the deformation degree of the elastic valve bodies separated by the plurality of strip-shaped grooves on the supporting sleeve can be detected, namely, the elastic valve bodies correspond to different parts of the die, when the surface of the die is sunken, the corresponding elastic valve bodies have smaller opening amplitude relative to other elastic valve bodies, and further, whether the surface of the die is sunken or not can be detected, so that the die with poor surface quality can be picked out in time, and the enterprise loss is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a carbon fiber pultrusion woven tube forming apparatus according to the present invention;
FIG. 2 is a schematic side view of the structure of FIG. 1;
FIG. 3 is a schematic elevational view of the structure of FIG. 1;
FIG. 4 is a schematic structural view of the glue injection mold and the support sleeve after assembly;
FIG. 5 is an enlarged schematic view of a partial structure at A in FIG. 4;
FIG. 6 is a schematic view of the assembled push rod, arcuate block and drive ring of the present invention;
FIG. 7 is an exploded schematic view of the structure of FIG. 6;
FIG. 8 is a schematic cross-sectional view of the structure of FIG. 6;
FIG. 9 is a schematic structural view of a glue injection mold according to the present invention;
fig. 10 is a schematic cross-sectional view of the structure of fig. 9.
In the figure: 1-a gear; 2-supporting seats; 3-die; 4-pulling a motor; 5-driving rollers; 6-U-shaped frames; 7-pushing rod; 8-injecting glue; 9-a glue injection port; 10-an extraction opening; 11-a driving block; 12-mounting seats; 13-rotating a ring; 14-fixing base; 15-a drive gear; 16-a drive ring; 17-supporting sleeve; 18-a bend; 19-a rotating electrical machine; 20-a detection column; 21-balls; 22-a pressure sensor; 23-a compression ring; 24-spring; 25-an annular groove; 26-spiral rib; 27-arc blocks; 28-an air pumping hole; 29-a drive rod; 30-waist-shaped holes; 31-a conical groove; 32-a bar-shaped groove; 33-short pins; 34-a sliding chamber; 35-a communication hole; 36-annular lumen.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a tubular product former is woven in carbon fiber pultrusion, includes the injecting glue mould 8 of installing on fixing base 14, is equipped with the hole on the injecting glue mould 8, and this hole can supply tube core 3 to penetrate, and the outside at the carbon fiber braider is installed to fixing base 14, and this former still includes in addition:
the rotating ring 13 is coaxially and rotatably connected to one end of the glue injection mold 8, specifically, a bearing mounting groove is formed in the rotating ring 13, a bearing is mounted in the bearing mounting groove, and the bearing is fixedly sleeved at one end of the glue injection mold 8, so that the glue injection mold 8 is rotatably connected with the rotating ring 13;
the supporting sleeve 17 is coaxially connected to one end, far away from the glue injection mould 8, of the rotating ring 13, the hole diameter size of the middle hole in the supporting sleeve 17 is slightly smaller than the pipe diameter size of the pipe core 3, so that after the pipe core 3 penetrates into the supporting sleeve 17, extrusion force along the radial outer side of the supporting sleeve 17 is generated on the supporting sleeve 17, the outer diameter of the supporting sleeve 17 is gradually decreased towards the direction far away from the glue injection mould 8, a plurality of strip-shaped grooves 32 are formed in the periphery of the supporting sleeve 17 along the axial array of the supporting sleeve, the periphery of the supporting sleeve 17 is divided into a plurality of elastic valve bodies by the plurality of strip-shaped grooves 32, and when the supporting sleeve 17 receives extrusion force along the radial outer side of the supporting sleeve, the plurality of elastic valve bodies elastically spread out and deform, so that the pipe diameter of the pipe core 3 is large, and extrusion damage of the inner wall of the supporting sleeve 17 to the outer wall of the pipe core 3 is avoided;
a rotation driving part for driving the rotary ring 13 to rotate in its own circumferential direction.
After the outside carbon fiber braiding machine weaves carbon fibers on the tube core 3, the tube core 3 penetrates into the supporting sleeve 17, so that the inner wall of the supporting sleeve 17 generates extrusion force on the tube core 3 and the carbon fiber braiding layer on the tube core 3, and can generate pulling force on the carbon fiber braiding layer penetrating into the supporting sleeve 17, and further can generate tightening effect on the carbon fiber braiding layer, in addition, the supporting sleeve 17 is driven by the rotary driving part to rotate along the circumferential direction of the supporting sleeve 17, so that the supporting sleeve 17 generates friction force on the circumferential direction on the tube core 3 and the carbon fiber braiding layer on the tube core 3, the carbon fiber braiding layer can be tightened under multidirectional acting force, loosening is reduced, and therefore, when glue injection is carried out by the glue injection mould 8, the surface quality of the glued carbon fiber braiding layer is better.
As shown in fig. 1, a die core pulling part is provided outside the glue injection mold 8, and the die core pulling part is used for pulling a die core woven with a carbon fiber woven layer into the support sleeve 17 and the glue injection mold 8, and includes:
a support 2 arranged on the axial outer side of the glue injection mould 8, wherein the support 2 is arranged on a knitting machine;
the two driving rollers 5 connected to the support 2 are sequentially rotated from top to bottom, a circle of arc-shaped grooves are formed in the periphery of the driving rollers 5, a tube core clamping opening is formed between the arc-shaped grooves in the two driving rollers 5 in a surrounding mode, the tube core 3 penetrates between the two driving rollers 5 and is extruded by the arc-shaped grooves in the two driving rollers 5, and therefore when the two driving rollers 5 rotate relatively, the tube core 3 can horizontally move under the action of friction force between the inner wall of the arc-shaped grooves and the outer wall of the tube core 3, and in addition, the center height of the tube core clamping opening is consistent with that of the glue injection die 8;
two gears 1 connected to the driving rollers 5, and the two gears 1 on the two driving rollers 5 are externally meshed;
the traction motor 4 is arranged on the support 2 and is in driving connection with one of the driving rollers 5, when the traction motor 4 is externally connected with a power supply and is started, the driving gear 1 is driven to rotate, the two driving rollers 5 can be driven to rotate through the meshing transmission of the two gears 1, the two driving rollers 5 can be driven to synchronously and reversely rotate, and the tube core 3 can be driven to horizontally move.
As shown in fig. 8, an annular inner cavity 36 is provided in the glue injection mold 8, a plurality of annular grooves 25 are provided on the inner wall of the glue injection mold 8, a glue injection port 9 communicated with the annular inner cavity 36 is provided on the outer wall of the glue injection mold 8, the glue injection port 9 is connected with a glue injection device through a mounting pipeline, the glue injection device can convey glue solution to the glue injection port 9, and then the glue injection port 9 conveys the glue solution to the annular inner cavity 36, a plurality of communication holes 35 communicated with the annular grooves 25 are provided on the inner wall of the annular inner cavity 36, and the glue solution in the annular inner cavity 36 enters the annular grooves 25 through the communication holes 35, so that the glue solution can be uniformly adhered on the surfaces of the tube core 3 and the carbon fiber woven layer.
As shown in fig. 2, the rotation driving section includes:
the gear part is coaxially arranged on the rotating ring 13, and the gear part and the rotating ring 13 can be integrally formed, so that the assembly of the rotating ring 13 is convenient;
a rotary electric machine 19 mounted on the fixed base 14;
the driving gear 15 is in driving connection with the rotating motor 19, the driving gear 15 is in external engagement with the gear part, a power supply is externally connected through the rotating motor 19, the driving gear 15 is further electrified to rotate, the driving gear 15 is driven to rotate, the gear part is driven to synchronously rotate when the driving gear 15 rotates, the rotating ring 13 is driven to rotate when the gear part rotates, the supporting sleeve 17 is enabled to synchronously rotate along with the rotating ring 13, and acting force in the circumferential direction is generated on the carbon fiber woven layer when the supporting sleeve 17 rotates in the circumferential direction.
As shown in fig. 10, the one end that the gum injection mould 8 kept away from the brace 17 is equipped with the mount pad 12 coaxially, set up in the mount pad 12 with the slip chamber 34 of gum injection mould 8 hole intercommunication, be equipped with two radial free gliding arc pieces 27 along slip chamber 34 in the slip chamber 34, be equipped with spiral bead 26 on the intrados of two arc pieces 27, set up the bleed hole 28 of through-hole form on the arc piece 27, set up the extraction opening 10 with slip chamber 34 intercommunication on the mount pad 12, still be equipped with the removal drive division that is used for driving two arc pieces 27 relative movement on the gum injection mould 8, the die 3 is penetrating between two arc pieces 27, spiral bead 26 on the intrados of two arc pieces 27 has the extrusion force to the carbon fiber weaving layer, so make the bubble in the carbon fiber weaving layer after the gum injection can be driven out, then outside bleed equipment is through the pipe connection 10, and begin to bleed to the inside of slip chamber 34, can take out the bubble that is driven out through the bleed hole 28, and avoid the bubble to get into the carbon fiber weaving layer after the gum injection, and influence the die appearance.
As shown in fig. 8, the movement driving section includes:
the driving ring 16 is sleeved on the supporting sleeve 17 in a sliding manner, the driving ring 16 is coaxially provided with a conical groove 31 matched with the supporting sleeve 17, and the inner diameter size of the conical groove 31 is sequentially decreased in a direction away from the glue injection mould;
two push rods 7 connected to the periphery of the driving ring 16, wherein one end of the push rod 7 away from the driving ring 16 is provided with a short pin 33;
the driving rod 29 is connected to the outer cambered surface of the arc-shaped block 27, and one end of the driving rod 29 penetrates out of the mounting seat 12 and can freely slide;
the driving block 11 connected to the driving rod 29 penetrating out of one end of the mounting seat 12, the driving block 11 is provided with a through groove for the push rod 7 to freely pass through, the driving block 11 is provided with a waist-shaped hole 30 for the short pin 33 to insert, the minimum value of the included angle between the length direction of the waist-shaped hole 30 and the axial direction of the driving rod 29 is an acute angle, specifically, when the driving ring 16 moves in the direction far away from the glue injection mold 8, the short pin 33 slides in the waist-shaped hole 30 and slides relative to the wall of the waist-shaped hole 30, and then the driving block 11 can be driven to move towards the outer side of the mounting seat 12, so that the carbon fiber woven layer on the tube core is prevented from being damaged due to the too small interval between the arc-shaped blocks.
As shown in fig. 8, the arc-shaped block 27 is made of rubber material, so that the arc-shaped block 27 has less damage to the surface of the carbon fiber woven layer.
As shown in fig. 4 and 5, the drive ring 16 is provided with a deformation detecting unit including:
the detection columns 20 are arranged on the driving ring 16 in an penetrating mode along the axial direction of the driving ring 16 in an array mode, each detection column 20 corresponds to an elastic valve body, the detection columns 20 are axially perpendicular to the supporting sleeve 17, the detection columns 20 can freely slide on the driving ring 16, one ends of the detection columns 20 penetrating into the driving ring 16 are in abutting connection with the periphery of the supporting sleeve 17, further, spherical grooves are formed in one ends of the detection columns 20 penetrating into the driving ring 16, balls 21 are arranged in the spherical grooves, the balls 21 can freely rotate in the spherical grooves, and therefore the contact mode of the detection columns 20 and the supporting sleeve 17 is changed into rolling contact, and abrasion of the end portions of the detection columns 20 when sliding on the outer edges of the supporting sleeve 17 is reduced;
the pressure sensor 22 is arranged on the outer wall of the driving ring 16 and corresponds to the detection column 20, the pressure sensor 22 is connected with external computer equipment through a cable, and the computer equipment collects pressure signals of the pressure sensor 22;
a pressing ring 23 movably sleeved on the detection column 20, wherein the pressing ring 23 is propped against the surface of the pressure sensor 22;
the outer wall of the driving ring 16 is provided with a U-shaped frame 6, one end of the detection column 20, which is far away from the driving ring 16, penetrates out of the U-shaped frame 6 and can slide freely, the detection column 20 is sleeved with a spring 24, and two ends of the spring 24 in the elastic direction elastically abut against the compression ring 23 and the U-shaped frame 6 respectively.
When the surface of the tube core 3 is extruded by the driving roller 5 or is deformed in other processing procedures, when the concave position moves into the supporting sleeve 17, the extrusion force of the surface of the tube core 3 borne by the elastic valve body on the supporting sleeve 17 is reduced, so that the elastic opening amplitude of the elastic valve body corresponding to the concave position is smaller, the displacement of the detection column 20 at the position relative to other detection columns is smaller, the abutting force of the spring 24 on the pressing ring 23 is smaller, the pressure of the pressure sensor 22 borne by the pressing ring 23 is smaller, the pressure signals of the pressure sensors 22 are acquired through computer equipment, the data difference of each pressure sensor 22 is analyzed, and further whether the surface of the tube core 3 has larger concave or not can be analyzed, and the forming effect of the carbon fiber woven layer is affected.
As shown in fig. 4, a bending part 18 is arranged at one end of the supporting sleeve 17 far away from the glue injection mold 8, the outer diameter of the bending part 18 increases gradually towards the direction far away from the supporting sleeve 17, and by arranging the bending part 18, the tube core 3 cannot be rubbed or cut by the edge of the supporting sleeve 17 when penetrating into the supporting sleeve 17, so that the abrasion of the tube core 3 and the surface of the carbon fiber woven layer is reduced.
Working principle: the tube core 3 penetrates between the two driving rollers 5 and is extruded by the arc grooves on the two driving rollers 5, when the traction motor 4 is externally connected with a power supply and is started, the gear 1 is driven to rotate, the two driving rollers 5 can be driven to rotate through the meshing transmission of the two gears 1, so that the two driving rollers 5 can be driven to synchronously rotate reversely, when the two driving rollers 5 rotate relatively, the tube core 3 can horizontally move under the friction force action of the inner wall of the arc grooves and the outer wall of the tube core 3, the tube core 3 can penetrate into the supporting sleeve 17, after the tube core 3 penetrates into the supporting sleeve 17, the supporting sleeve 17 is subjected to extrusion force along the radial outer side of the supporting sleeve 17, when the supporting sleeve 17 is subjected to extrusion force along the radial outer side of the supporting sleeve, the elastic valve bodies are elastically stretched out, the rotating motor 19 is externally connected with the power supply and is electrified to rotate, and the driving gear 15 is driven to rotate, when the driving gear 15 rotates, the driving gear part synchronously rotates, the gear part rotates to drive the rotating ring 13 to synchronously rotate, the supporting sleeve 17 follows the rotating ring 13, when the supporting sleeve 17 rotates in the circumferential direction, acting force in the circumferential direction is generated on the carbon fiber woven layer, the carbon fiber woven layer can be tightened and then penetrates into the glue injection mold 8, glue liquid can be conveyed to the glue injection port 9 by the glue injection device, and then conveyed to the annular cavity 36 by the glue injection port 9, the glue liquid in the annular cavity 36 enters the annular groove 25 through the communication hole 35, so that the glue liquid can be uniformly adhered on the surfaces of the tube core 3 and the carbon fiber woven layer, the injected carbon fiber woven layer is injected into the space between the two arc blocks 27, the injected carbon fiber woven layer is extruded by the spiral convex edges on the two arc blocks 27, so make the bubble in the carbon fiber woven layer after the injecting glue can be driven out, then outside air extraction equipment passes through the tube coupling extraction opening 10 to begin to bleed to sliding chamber 34 inside, can take out the bubble that is driven out through the air extraction hole 28, avoid the bubble to get into the carbon fiber woven layer after the injecting glue, and then influence the outward appearance of die.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a carbon fiber pultrusion braided tube former, includes injecting glue mould (8) of installing on fixing base (14), its characterized in that still includes:
a rotating ring (13) coaxially and rotatably connected to one end of the glue injection mold (8);
the support sleeve (17) is coaxially connected to one end, far away from the glue injection mould (8), of the rotating ring (13), the outer diameter of the support sleeve (17) decreases gradually towards the direction far away from the glue injection mould (8), and a plurality of strip-shaped grooves (32) are formed in the periphery of the support sleeve (17) along the axial array of the support sleeve;
a rotation driving part for driving the rotating ring (13) to rotate along the circumferential direction thereof.
2. The carbon fiber pultrusion tubular product forming apparatus according to claim 1, characterized in that a tube core pulling part is arranged outside the glue injection mold (8), and the tube core pulling part comprises:
the support (2) is arranged at the outer side of the axial direction of the glue injection mould (8);
two driving rollers (5) which are sequentially connected to the support (2) in a rotating manner from top to bottom, wherein a circle of arc-shaped grooves are formed in the periphery of the driving rollers (5), and a tube core clamping opening is formed between the arc-shaped grooves in the two driving rollers (5) in a surrounding manner;
two gears (1) connected to the driving rollers (5), and the two gears (1) on the two driving rollers (5) are externally meshed;
and a traction motor (4) which is arranged on the support (2) and is in driving connection with one of the driving rollers (5).
3. The carbon fiber pultrusion woven tube forming device according to claim 1, characterized in that an annular inner cavity (36) is arranged in the glue injection mold (8), a plurality of annular grooves (25) are formed in the inner wall of the glue injection mold (8), glue injection openings (9) communicated with the annular inner cavity (36) are formed in the outer wall of the glue injection mold (8), and a plurality of communication holes (35) communicated with the annular grooves (25) are formed in the inner wall of the annular inner cavity (36).
4. The carbon fiber pultruded and braided tube forming apparatus of claim 1, wherein said rotary drive portion includes:
a gear part coaxially provided on the rotary ring (13);
a rotating electric machine (19) mounted on the fixed seat (14);
and a drive gear (15) in driving connection with the rotary motor (19), wherein the drive gear (15) is externally meshed with the gear part.
5. The carbon fiber pultrusion woven tube forming device according to claim 1, characterized in that one end of the glue injection mold (8) away from the supporting sleeve (17) is coaxially provided with a mounting seat (12), a sliding cavity (34) communicated with an inner hole of the glue injection mold (8) is formed in the mounting seat (12), two arc blocks (27) capable of freely sliding along the radial direction of the sliding cavity (34) are arranged in the sliding cavity (34), spiral ribs (26) are arranged on the inner arc surfaces of the two arc blocks (27), an air extraction hole (28) in the form of a through hole is formed in the arc blocks (27), an air extraction opening (10) communicated with the sliding cavity (34) is formed in the mounting seat (12), and a movable driving part for driving the two arc blocks (27) to move relatively is further arranged on the glue injection mold (8).
6. The carbon fiber pultruded and braided tube forming apparatus of claim 5, wherein said moving drive portion includes:
the driving ring (16) is sleeved on the supporting sleeve (17) in a sliding manner, and a conical groove (31) matched with the supporting sleeve (17) is coaxially formed in the driving ring (16);
two push rods (7) connected to the periphery of the drive ring (16), wherein one end of each push rod (7) far away from the drive ring (16) is provided with a short pin (33);
the driving rod (29) is connected to the outer cambered surface of the arc-shaped block (27), and one end of the driving rod (29) penetrates out of the mounting seat (12) and can freely slide;
the driving block (11) is connected to the driving rod (29) and penetrates out of one end of the mounting seat (12), a through groove for the push rod (7) to freely pass through is formed in the driving block (11), a waist-shaped hole (30) for the short pin (33) to be inserted is formed in the driving block (11), and the minimum value of the included angle between the length direction of the waist-shaped hole (30) and the axial direction of the driving rod (29) is an acute angle.
7. A carbon fibre pultrusion tubular moulding apparatus according to claim 5 or 6, characterized in that the arcuate blocks (27) are made of rubber material.
8. The carbon fiber pultruded and braided tube forming apparatus of claim 6, wherein said drive ring (16) is provided with a deformation detection assembly, said deformation detection assembly including:
the detection columns (20) are arranged on the driving ring (16) in an penetrating mode along the axial direction of the driving ring (16), the axial direction of the detection columns (20) is perpendicular to the axial direction of the supporting sleeve (17), the detection columns (20) can slide freely on the driving ring (16), and one end, penetrating into the driving ring (16), of the detection columns (20) is in abutting connection with the periphery of the supporting sleeve (17);
a pressure sensor (22) provided on the outer wall of the drive ring (16) and corresponding to the detection column (20);
a compression ring (23) movably sleeved on the detection column (20);
and the elastic piece is used for elastically propping against the pressure ring (23) so that the pressure ring (23) is propped against the surface of the pressure sensor (22).
9. The carbon fiber pultrusion woven tube forming device according to claim 8, wherein the elastic piece comprises a U-shaped frame (6) arranged on the outer wall of the driving ring (16), one end of the detection column (20) far away from the driving ring (16) penetrates out of the U-shaped frame (6) and can freely slide, a spring (24) is sleeved on the detection column (20), and two ends of the spring (24) in the elastic direction elastically abut against the compression ring (23) and the U-shaped frame (6) respectively.
10. The carbon fiber pultrusion braided tube forming device according to claim 1, characterized in that one end of the supporting sleeve (17) far away from the glue injection die (8) is provided with a bending part (18), and the outer diameter of the bending part (18) is gradually increased towards the direction far away from the supporting sleeve (17).
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| CN202310864023.6A CN116572561B (en) | 2023-07-14 | 2023-07-14 | Carbon fiber pultrusion braided tube forming equipment |
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| CN116572561B (en) | 2023-09-26 |
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