CN111873370A - Extrusion forming die for rubber strip of automobile door and window - Google Patents

Extrusion forming die for rubber strip of automobile door and window Download PDF

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Publication number
CN111873370A
CN111873370A CN202010739617.0A CN202010739617A CN111873370A CN 111873370 A CN111873370 A CN 111873370A CN 202010739617 A CN202010739617 A CN 202010739617A CN 111873370 A CN111873370 A CN 111873370A
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China
Prior art keywords
pipe
locking
extrusion
sliding
ring
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Granted
Application number
CN202010739617.0A
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Chinese (zh)
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CN111873370B (en
Inventor
黄三妹
邹帅虎
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Shaanxi Huatie Fluorine Rubber Plastic Products Co ltd
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • 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
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2562—Mounting or handling of 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
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265—Packings, Gaskets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to an automobile door and window rubber strip extrusion molding die which comprises a connecting pipe, a conversion disc, a connecting plate, a connecting shaft, extrusion pipes and a limiting mechanism, wherein the connecting pipe is of a tubular structure, the connecting plate is installed on the top of the right end of the connecting pipe, the connecting shaft is installed on the right side face of the connecting plate, the right end of the connecting shaft is installed on the middle part of the left side face of the conversion disc through a bearing, four placing grooves of a circular structure are symmetrically arranged at the outer end of the conversion disc, one extrusion pipe is distributed in each placing groove, and the limiting mechanism is connected between each extrusion pipe and each placing groove. The invention can solve the problems existing in the prior art that when the rubber strip is extruded: the change operation of the extrusion forming pipe of rubber extruder is comparatively loaded down with trivial details to influence the work efficiency of rubber strip, and the forming pipe after changing can't carry out the accurate positioning, and the forming pipe after the dismantlement is preserved improper and can take place to damage, and the extrusion forming pipe does not have the cooling shaping effect subalternation problem that can cause the rubber strip.

Description

Extrusion forming die for rubber strip of automobile door and window
Technical Field
The invention relates to the field of rubber material processing, in particular to an extrusion forming die for rubber strips of automobile doors and windows.
Background
The rubber strip for the automobile door and window is processed by the steps of banburying, open milling, extrusion molding, vulcanization, cooling and the like of rubber raw materials; the automobile door rubber strip can be deformed under pressure and rebound under pressure release, the sealing performance of the automobile door during opening and closing is guaranteed, meanwhile, the rubber strip also has a certain decoration effect, and the shapes of the rubber strips of different vehicles are different.
Automobile door and window rubber strip generally has the molding process to it through the rubber extruder, has the molding that the rubber strip required on the extrusion molding pipe on the rubber extruder to the rubber strip forms required molding after extruding from the extrusion molding pipe, need carry out different extrusion molding pipes to different figurative rubber strips, the current problem that exists when extruding the action to the rubber strip is as follows:
the change operation of the extrusion forming pipe of rubber extruder is comparatively loaded down with trivial details to influence the work efficiency of rubber strip, and the forming pipe after changing can't carry out the accurate positioning, and the forming pipe after the dismantlement is preserved improper and can take place to damage, and the extrusion forming pipe does not have the cooling shaping effect that can cause the rubber strip poor.
Disclosure of Invention
In order to solve the problems, the invention provides an automobile door and window rubber strip extrusion molding die which comprises a connecting pipe, a conversion disc, a connecting plate, a connecting shaft, extrusion pipes and a limiting mechanism, wherein the connecting pipe is of a tubular structure, the connecting plate is installed on the top of the right end of the connecting pipe, the connecting shaft is installed on the right side surface of the connecting plate, the right end of the connecting shaft is installed on the middle part of the left side surface of the conversion disc through a bearing, four placing grooves of a circular structure are symmetrically arranged at the outer end of the conversion disc, one extrusion pipe is uniformly distributed in each placing groove, the extrusion molding of each extrusion pipe is different, the limiting mechanism is connected between each extrusion pipe and the placing grooves, the automobile door and window rubber strip extrusion molding die can be locked at the outlet of a rubber strip extruder through the connecting pipe, the plurality of extrusion pipes arranged on the conversion, the conversion dish can rotate on the connecting axle, and when the extrusion pipe of different positions moved the position of connecting pipe, the left end of extrusion pipe can alternate in the right-hand member of connecting pipe.
V-shaped grooves are symmetrically arranged on the outer side surface of the left end of the conversion disk, the positions of the V-shaped grooves correspond to the positions of the placing grooves one by one, an annular sliding groove is formed in the middle of the outer side surface of the conversion disk, a positioning frame is arranged at the bottom of the right end of the connecting pipe, the positioning frame is of a U-shaped structure, the right end of the positioning frame is located on the outer side of the middle of the conversion disk, and a positioning sliding block matched with the annular sliding groove is arranged on the inner side surface of;
be connected with the location bullet post through sliding fit's mode on the middle part of locating rack, install V type inserted block on the top of location bullet post, V type inserted block alternates at the V type inslot that the conversion dish lower extreme set up, concrete during operation, the location slider cooperatees with annular chute and can carry on spacingly to the rotation of conversion dish, take place to rock when preventing that the conversion dish from rotating, extrude figurative extrusion pipe when removing the position of connecting pipe when suitable position, V type inserted block can alternate on the conversion dish with this extrude the corresponding V type inslot in pipe position, make the position of conversion dish obtain the locking, so that extrude that the pipe can be stable alternate in the connecting pipe.
The limiting mechanism comprises a limiting ring groove, transverse square grooves, a homing spring, a sliding ring and a follow-up ring, the limiting ring groove is arranged on the side wall of the middle part of the placing groove, the upper side wall and the lower side wall of the limiting ring groove are respectively provided with one transverse square groove, the sliding ring is positioned in the limiting ring groove, the upper end and the lower end of the sliding ring are respectively provided with a transverse sliding block matched with the transverse square grooves, and the sliding ring is in clearance fit with the extrusion pipe;
the right side surface of the sliding ring is provided with a dovetail groove with an annular structure, the follow-up ring is positioned on the right side of the sliding ring, the left side surface of the follow-up ring is provided with a dovetail slide block in sliding fit with the dovetail groove, the follow-up ring is arranged on the outer side surface of the extrusion pipe, the left side surface of the sliding ring is connected with the right end of the homing spring, and the left end of the homing spring is arranged on the left side wall of the limiting ring groove. So that the left end of the extruded tube can be inserted into the left end of the connecting tube.
As a preferred technical scheme of the invention, the front side wall and the rear side wall of the right end of the limiting ring groove are respectively provided with an arc-shaped groove, the clockwise side wall of the left end of each arc-shaped groove is provided with a rotating groove, the two arc-shaped grooves and the two rotating grooves are arranged in central symmetry, the front side surface and the rear side surface of the follower ring are respectively provided with an arc-shaped rotating block, the arc-shaped rotating blocks are positioned in the left ends of the arc-shaped grooves, when the left end of the extrusion pipe is abutted against the left end of the connecting pipe, the arc-shaped rotating blocks on the follower ring can move to the positions of the rotating grooves, then the extrusion pipe is rotated clockwise, so that the arc-shaped rotating blocks move into the rotating grooves, and the position of.
As a preferred technical scheme of the present invention, a through slot is provided on an inner wall of a right end of the connection pipe, a left end of an extrusion pipe located at a lower end of the conversion disk abuts against a left side wall of the through slot, a diameter of the inner wall of the through slot is the same as that of the inner wall of the extrusion pipe, a sealing gasket is provided on the inner wall of the right end of the through slot, the sealing gasket penetrating through the inner wall of the slot can increase a sealing effect between the connection pipe and the extrusion pipe, the through slot can also limit a penetration depth of the extrusion pipe, and when the left end of the extrusion pipe abuts against the left side wall of the through slot, an arc-shaped rotation block on the follower ring can move.
As a preferred technical solution of the present invention, the outer side surface of the right end of the extrusion tube is provided with an external thread, the external thread of the extrusion tube located at the lower end of the conversion disc is connected with a locking ring in a thread fit manner, the locking ring can be screwed on the external thread of the extrusion tube, and the position of the extrusion tube can be locked by positioning the position of the locking ring, so as to increase the positioning effect of the extrusion tube.
As a preferred technical scheme of the invention, locking supports are symmetrically arranged on the outer side surface of the right end of the conversion disc, the positions of the locking supports correspond to the positions of the placing grooves one by one, the locking supports are of an L-shaped structure, the front end and the rear end of each locking support are respectively provided with a moving sliding groove, a locking sliding plate is distributed on the inner side of each locking support, the front end and the rear end of the outer side surface of each locking sliding plate are respectively provided with a T-shaped sliding block matched with the moving sliding grooves, the inner side surface of each locking sliding plate is provided with two locking clamping plates, each locking clamping plate is of an arc-shaped structure and clamped on the left side surface and the right side surface of the lower end of each locking ring, when the locking rings need to be screwed at the right end of the extrusion tube, the.
As a preferred technical scheme of the invention, a locking hole is formed in the middle of the locking sliding plate, a locking protrusion of a telescopic structure is arranged on the outer side surface of the middle of the locking sliding plate, arc-shaped chamfers are arranged at the outer end of the locking hole and the outer end of the locking protrusion, and when a locking ring is screwed at a proper position on an extruded pipe, the locking protrusion can be inserted into the locking hole, so that the position of the locking sliding plate is positioned, the position of the locking ring locked between two locking clamping plates is also positioned, and the extruded pipe is prevented from moving leftwards and rightwards in the working process.
As a preferred technical scheme of the invention, the front side surface of the right end of the connecting pipe is provided with a water outlet pipe, the rear side surface of the middle part of the connecting pipe is provided with a water inlet pipe, the water outlet pipe is communicated with the water inlet pipe through a spiral water guide groove arranged at the right end of the connecting pipe, and the water inlet pipe is connected with a water pipe, so that flowing water flows out of the water outlet pipe through the spiral water guide groove.
The invention has the beneficial effects that:
the invention can be connected to the outlet of a rubber strip extruder, and adopts a rotatable switching disc, so that extrusion pipes of different extrusion shapes can be quickly replaced, the applicability of the invention is increased, the invention can firmly lock the extrusion pipes, and can prevent the extrusion pipes from shaking and the like when the extrusion pipes perform rubber belt extrusion action;
the positioning slide block is matched with the annular chute to limit the rotation of the conversion disc, so that the conversion disc is prevented from shaking during rotation, and when an extrusion pipe extruded at a proper position moves to the position of the connecting pipe, the V-shaped insertion block can be inserted into a V-shaped groove corresponding to the position of the extrusion pipe on the conversion disc, so that the position of the conversion disc is locked;
the limiting mechanism can limit the extrusion pipe connected in the connecting pipe, so that the left end of the extrusion pipe can be positioned in the placing groove under the action of no external force, and the extrusion pipe cannot influence the rotation adjustment of the conversion disc;
the locking ring can be screwed on the external thread of the extruded pipe, and the position of the extruded pipe can be locked by positioning the position of the locking ring, so that the positioning effect of the extruded pipe is improved;
according to the invention, the water inlet pipe is connected with the water pipe, so that flowing water flows out of the water outlet pipe through the spiral water guide groove, the extrusion pipe is cooled, and the extrusion molding effect of the extrusion pipe on the rubber strip is improved.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
FIG. 1 is a schematic view of a first configuration of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic view of a third construction of the present invention (from left to right);
FIG. 4 is a cross-sectional view of the connection tube, switching disk, connection plate, connection shaft, extruded tube and stop mechanism of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 4;
FIG. 6 is a first partial cross-sectional view of the present invention between the switching disk, the extrusion tube and the spacing mechanism;
fig. 7 is a second partial cross-sectional view of the present invention between the switching disk, the extruded tube and the spacing mechanism.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 7, an automobile door and window rubber strip extrusion molding die comprises a connecting pipe 1, a conversion disc 2, a connecting plate 3, a connecting shaft 4, extrusion tubes 5 and a limiting mechanism 6, wherein the connecting pipe 1 is of a tubular structure, the connecting plate 3 is installed on the top of the right end of the connecting pipe 1, the connecting shaft 4 is installed on the right side surface of the connecting plate 3, the right end of the connecting shaft 4 is installed on the middle part of the left side surface of the conversion disc 2 through a bearing, four placing grooves 21 of a circular structure are symmetrically arranged at the outer end of the conversion disc 2, one extrusion tube 5 is uniformly distributed in each placing groove 21, the extrusion shapes of the extrusion tubes 5 are different, one limiting mechanism 6 is connected between each extrusion tube 5 and each placing groove 21, the invention can be locked at the outlet of a rubber strip extruder through the connecting pipe 1, and the plurality of extrusion tubes 5 arranged on the conversion, so that extrude figurative regulation to the adhesive tape, change-over dish 2 can rotate on connecting axle 4, and when the extrusion pipe 5 of different positions moved the position of connecting pipe 1, the left end of extrusion pipe 5 can alternate in the right-hand member of connecting pipe 1.
The outer side surface of the left end of the conversion disc 2 is symmetrically provided with V-shaped grooves 22, the positions of the V-shaped grooves 22 correspond to the positions of the placing grooves 21 one by one, the middle part of the outer side surface of the conversion disc 2 is provided with an annular sliding groove 23, the bottom of the right end of the connecting pipe 1 is provided with a positioning frame 11, the positioning frame 11 is of a U-shaped structure, the right end of the positioning frame 11 is positioned on the outer side of the middle part of the conversion disc 2, and the inner side surface of the right end of the positioning frame 11 is provided with a positioning sliding block;
be connected with location bullet post 13 through sliding fit's mode on the middle part of locating rack 11, install V type inserted block 14 on location bullet post 13's the top, V type inserted block 14 alternates in the V type groove 22 that the lower extreme of conversion dish 2 set up, in concrete work, location slider 12 cooperatees with annular spout 23 and can carry on spacingly to conversion dish 2's rotation, take place to rock when preventing conversion dish 2 to rotate, extrude figurative extrusion tube 5 when removing the position of connecting pipe 1 when suitable position, V type inserted block 14 can alternate on conversion dish 2 with this extrusion tube 5V type groove 22 that the position is corresponding, make the position of conversion dish 2 obtain the locking, so that extrusion tube 5 can be stable alternate in connecting pipe 1.
The right-hand member leading flank of connecting pipe 1 be provided with outlet pipe 16, be provided with inlet tube 17 on the middle part trailing flank of connecting pipe 1, link up mutually through setting up the spiral guiding gutter 18 at the connecting pipe 1 right-hand member between outlet pipe 16 and the inlet tube 17, through connecting the water pipe with inlet tube 17 for flowing water flows out by outlet pipe 16 through spiral guiding gutter 18, this kind of mode can cool off extrusion pipe 5 when the action is extruded to connecting pipe 1, thereby increase extrusion pipe 5 and to the extrusion moulding effect of rubber strip.
The right-hand member lateral surface of extrusion pipe 5 on be provided with the external screw thread, be located and be connected with locking ring 51 through screw-thread fit's mode on the external screw thread of extrusion pipe 5 of change-over disk 2 lower extreme, locking ring 51 can twist the cover on the external screw thread of extrusion pipe 5, fixes a position through the position with locking ring 51, can lock the position of extrusion pipe 5, increases the location effect of extrusion pipe 5.
The outer side surface of the right end of the conversion disk 2 is symmetrically provided with locking brackets 52, the positions of the locking brackets 52 correspond to the positions of the placing grooves 21 one by one, the locking brackets 52 are of an L-shaped structure, the front end and the rear end of each locking bracket 52 are provided with a moving chute 53, locking sliding plates 54 are distributed on the inner side of each locking bracket 52, the front end and the rear end of the outer side surface of each locking sliding plate 54 are provided with T-shaped sliding blocks 55 matched with the moving chutes 53, the inner side surface of each locking sliding plate 54 is provided with two locking clamping plates 56, each locking clamping plate 56 is of an arc-shaped structure, the locking clamping plates 56 are clamped on the left side surface and the right side surface of the lower end of the locking ring 51, when the locking ring 51 needs to be screwed at the right end of the extrusion tube 5, the locking sliding plates 54 are pulled.
The middle of the locking sliding plate 54 is provided with a locking hole 57, the outer side surface of the middle of the locking sliding plate 54 is provided with a locking protrusion 58 of a telescopic structure, the outer end of the locking hole 57 and the outer end of the locking protrusion 58 are both provided with arc chamfers, when the locking ring 51 is screwed at a proper position on the extrusion tube 5, the locking protrusion 58 can be inserted into the locking hole 57, so that the position of the locking sliding plate 54 is positioned, the position of the locking ring 51 locked between the two locking clamping plates 56 is also positioned, and the extrusion tube 5 is prevented from being hidden trouble of moving left and right in the working process.
The position of the limiting mechanism 6 in the embodiment is described by taking the position of the limiting mechanism 6 at the lower end of the switching disc 2 as a reference, the limiting mechanism 6 comprises a limiting ring groove 61, a transverse square groove 62, a homing spring 63, a sliding ring 64 and a follow-up ring 65, the limiting ring groove 61 is arranged on the side wall of the middle part of the placing groove 21, the upper side wall and the lower side wall of the limiting ring groove 61 are both provided with one transverse square groove 62, the sliding ring 64 is positioned in the limiting ring groove 61, the upper end and the lower end of the sliding ring 64 are both provided with transverse sliding blocks 66 matched with the transverse square groove 62, and the sliding ring 64 is in clearance fit with the extrusion pipe 5;
the dovetail groove with an annular structure is arranged on the right side face of the sliding ring 64, the follow-up ring 65 is positioned on the right side of the sliding ring 64, the dovetail slide block in sliding fit with the dovetail groove is arranged on the left side face of the follow-up ring 65, the follow-up ring 65 is arranged on the outer side face of the extrusion pipe 5, the right end of the return spring 63 is connected on the left side face of the sliding ring 64, the left end of the return spring 63 is arranged on the left side wall of the limit ring groove 61, in specific work, the limit mechanism 6 can limit the extrusion pipe 5 connected in the connecting pipe 1, so that the extrusion pipe 5 can be positioned in the placing groove 21 under the condition of no external force, the extrusion pipe 5 cannot influence the rotation regulation of the conversion disk 2, when the extrusion pipe 5 needs to be inserted into the connecting pipe 1, the extrusion pipe 5 at the lower end of the conversion disk 2 is pushed leftwards, the sliding ring 64 and the follow-up ring 65 can synchronously move leftwards under the, so that the homing spring 63 contracts so that the left end of the extruding pipe 5 can be inserted into the left end of the connecting pipe 1.
The right-hand member of spacing annular 61 all is provided with an arc wall 67 around the lateral wall, the left end clockwise's of every arc wall 67 lateral wall all is provided with the turn trough 68, two arc walls 67 and the equal central symmetrical arrangement of two turn troughs 68, all be provided with an arc runner 69 on the front and back side of follow-up ring 65, arc runner 69 is located the left end of arc wall 67, when the left end of extrusion pipe 5 supports in the left end of connecting pipe 1, arc runner 69 on the follow-up ring 65 can move the position of turn trough 68, then clockwise rotation extrusion pipe 5, make arc runner 69 move in the turn trough 68, thereby the position of extrusion pipe 5 obtains the phenomenon that the right removal can not take place for spacing.
Connecting pipe 1's right-hand member inner wall on be provided with and wear slot 15, the left end that is located the extrusion pipe 5 of change-over disk 2 lower extreme supports on the left side wall that alternates slot 15, the inner wall that alternates slot 15 is the same with the inner wall diameter of extrusion pipe 5, it is sealed to be provided with on the right-hand member inner wall that alternates slot 15, the sealed pad that alternates the slot 15 inner wall can increase connecting pipe 1 and extrude the sealed effect between the pipe 5, it can also carry on spacingly to the interlude degree of depth of extrusion pipe 5 to alternate slot 15, when the left end that extrudes pipe 5 supports on the left side wall that alternates slot 15, arc runner 69 on the follower ring 65 can move the position of rotary trough 68.
During operation, the connecting pipe 1 is locked at an outlet of the adhesive tape extruder, the positioning elastic column 13 is pulled upwards, the extrusion pipe 5 which is suitable for extrusion modeling on the conversion disc 2 moves to the position of the connecting pipe 1, the positioning elastic column 13 is loosened, the V-shaped insertion block 14 can be inserted into the V-shaped groove 22, the position of the conversion disc 2 is locked, the extrusion pipe 5 at the lower end of the conversion disc 2 is pushed leftwards, the sliding ring 64 and the following ring 65 can synchronously move leftwards and rightwards under the matching effect of the dovetail groove and the dovetail slide block, the return spring 63 contracts, so that the left end of the extrusion pipe 5 can be inserted into the left end of the connecting pipe 1, the arc-shaped rotating block 69 on the following ring 65 can move to the position of the rotating groove 68, and then the extrusion pipe 5 is rotated clockwise, so that the arc-shaped rotating block 69 moves into the rotating groove 68, and the position of the extrusion;
after the extrusion pipe 5 is limited, the locking sliding plate 54 is pulled leftwards, the locking ring 51 is placed between the two locking clamping plates 56, then the locking ring 51 is screwed to be sleeved on the right end of the extrusion pipe 5, when the locking ring 51 is screwed to a proper position on the extrusion pipe 5, the locking protrusion 58 can be inserted into the locking hole 57, so that the position of the locking sliding plate 54 is positioned, the position of the locking ring 51 locked between the two locking clamping plates 56 is also positioned, and the stability of the extrusion pipe 5 in extruding rubber strips is improved; through connecting inlet tube 17 with the water pipe for flowing water flows out by outlet pipe 16 through spiral guiding gutter 18, and this kind of mode can cool off extrusion pipe 5 when connecting pipe 1 extrudes the action, thereby increases extrusion pipe 5 to the extrusion moulding effect of rubber strip.
The invention can be connected to the outlet of the rubber strip extruder, and the invention adopts the rotatable switching disc, so that the extrusion pipes with different extrusion shapes can be quickly replaced, thereby increasing the applicability of the invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an automobile door and window rubber strip extrusion forming die, includes connecting pipe (1), conversion dish (2), connecting plate (3), connecting axle (4), extrudes pipe (5) and stop gear (6), its characterized in that: the connecting pipe (1) is of a tubular structure, a connecting plate (3) is mounted on the top of the right end of the connecting pipe (1), a connecting shaft (4) is mounted on the right side face of the connecting plate (3), the right end of the connecting shaft (4) is mounted in the middle of the left side face of the conversion disc (2) through a bearing, four placing grooves (21) of a circular structure are symmetrically arranged at the outer end of the conversion disc (2), one extrusion pipe (5) is uniformly distributed in each placing groove (21), and a limiting mechanism (6) is connected between each extrusion pipe (5) and each placing groove (21); wherein:
v-shaped grooves (22) are symmetrically arranged on the outer side face of the left end of the conversion disc (2), the positions of the V-shaped grooves (22) correspond to the positions of the placing grooves (21) one by one, an annular sliding groove (23) is arranged in the middle of the outer side face of the conversion disc (2), a positioning frame (11) is arranged on the bottom of the right end of the connecting pipe (1), the positioning frame (11) is of a U-shaped structure, the right end of the positioning frame (11) is located on the outer side of the middle of the conversion disc (2), and a positioning sliding block (12) matched with the annular sliding groove (23) is arranged on the inner side face of the right end of;
the middle part of the positioning frame (11) is connected with a positioning elastic column (13) in a sliding fit mode, a V-shaped insert block (14) is installed on the top of the positioning elastic column (13), and the V-shaped insert block (14) is inserted into a V-shaped groove (22) formed in the lower end of the conversion disc (2);
the limiting mechanism (6) comprises a limiting ring groove (61), a transverse square groove (62), a homing spring (63), a sliding ring (64) and a follow-up ring (65), wherein the limiting ring groove (61) is arranged on the side wall of the middle part of the placing groove (21), the upper side wall and the lower side wall of the limiting ring groove (61) are respectively provided with the transverse square groove (62), the sliding ring (64) is positioned in the limiting ring groove (61), the upper end and the lower end of the sliding ring (64) are respectively provided with the transverse sliding block (66) matched with the transverse square grooves (62), and the sliding ring (64) is in clearance fit with the extrusion tube (5);
the dovetail groove with the annular structure is formed in the right side face of the sliding ring (64), the follow-up ring (65) is located on the right side of the sliding ring (64), the dovetail slide block in sliding fit with the dovetail groove is arranged on the left side face of the follow-up ring (65), the follow-up ring (65) is installed on the outer side face of the extrusion pipe (5), the left side face of the sliding ring (64) is connected with the right end of the homing spring (63), and the left end of the homing spring (63) is installed on the left side wall of the limiting ring groove (61).
2. The automobile door and window rubber strip extrusion molding die as claimed in claim 1, wherein: the right-hand member of spacing annular (61) around the lateral wall all be provided with an arc wall (67), the left end clockwise's of every arc wall (67) lateral wall all is provided with rotary trough (68), two arc walls (67) and two equal central symmetry of rotary trough (68) arrange, all be provided with an arc commentaries on classics piece (69) on the side around follow-up ring (65), arc commentaries on classics piece (69) are located the left end of arc wall (67).
3. The automobile door and window rubber strip extrusion molding die as claimed in claim 1, wherein: the inner wall of the right end of the connecting pipe (1) is provided with a through slot (15), the left end of the extrusion pipe (5) positioned at the lower end of the conversion disc (2) is abutted against the left side wall of the through slot (15), and the inner wall of the right end of the through slot (15) is provided with a sealing gasket.
4. The automobile door and window rubber strip extrusion molding die as claimed in claim 1, wherein: the outer side face of the right end of the extrusion pipe (5) is provided with an external thread, and the external thread of the extrusion pipe (5) positioned at the lower end of the conversion disc (2) is connected with a locking ring (51) in a thread matching mode.
5. An automobile door and window rubber strip extrusion molding die according to claim 4, characterized in that: the outer side face of the right end of the conversion disc (2) is symmetrically provided with locking supports (52), the positions of the locking supports (52) correspond to the positions of the placing grooves (21) one by one, the locking supports (52) are of an L-shaped structure, the front ends and the rear ends of the locking supports (52) are respectively provided with a movable sliding groove (53), locking sliding plates (54) are distributed on the inner sides of the locking supports (52), the front ends and the rear ends of the outer side face of each locking sliding plate (54) are respectively provided with a T-shaped sliding block (55) matched with the movable sliding grooves (53), the inner side face of each locking sliding plate (54) is provided with two locking clamping plates (56), each locking clamping plate (56) is of an arc-shaped structure, and the locking clamping plates (.
6. An automobile door and window rubber strip extrusion molding die according to claim 5, characterized in that: the middle part of the locking sliding plate (54) is provided with a locking hole (57), the outer side surface of the middle part of the locking sliding plate (54) is provided with a locking bulge (58) with a telescopic structure, and the outer end of the locking hole (57) and the outer end of the locking bulge (58) are both provided with arc chamfers.
7. The automobile door and window rubber strip extrusion molding die as claimed in claim 1, wherein: the water-saving device is characterized in that a water outlet pipe (16) is arranged on the front side face of the right end of the connecting pipe (1), a water inlet pipe (17) is arranged on the rear side face of the middle of the connecting pipe (1), and the water outlet pipe (16) is communicated with the water inlet pipe (17) through a spiral water guide groove (18) arranged at the right end of the connecting pipe (1).
CN202010739617.0A 2020-07-28 2020-07-28 Extrusion forming die for rubber strip of automobile door and window Active CN111873370B (en)

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CN113715309B (en) * 2021-07-30 2023-10-03 青岛橡六胶管有限公司 Pretreatment process of high-pressure rubber tube

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