CN116100756B - 90-degree straight-drawing bent angle joint die and injection molding device thereof - Google Patents

Abstract

The invention relates to the field of bent angle joint production dies, and discloses a 90-degree direct-drawing bent angle joint die and an injection molding device thereof, wherein the die body comprises a fixed die and a movable die; be equipped with the cover half benevolence on the cover half, be equipped with the movable mould benevolence on the movable mould, the movable mould benevolence both sides are equipped with L shape rotor plate, L shape rotor plate rotates with the movable mould benevolence to be connected, be equipped with mobilizable first movable plate in the movable mould, first movable plate both sides rotate and are equipped with the connecting rod, the L shape rotor plate is connected in the one end rotation of connecting rod, injection molding device includes the workstation, the fixed shell that is equipped with on the workstation, the symmetry is equipped with the board that gathers materials on the workstation, the fixed washing tank that is equipped with in workstation below, the fixed extruder that is equipped with in one side of shell, the extrusion mouth and the purt mouth intercommunication of extruder. According to the 90-degree direct-drawing corner joint die, the pneumatic positioning cylinder drives the connecting rod to move to drive the L-shaped rotating plate to rotate, so that demolding of an inner hole of the corner joint is completed, the positioning needle is synchronously driven to demolding upwards, the internal structure is simple, and demolding is rapid and safe.

Description

90-degree straight-drawing bent angle joint die and injection molding device thereof

Technical Field

The invention relates to the technical field of bent angle joint production dies, in particular to a 90-degree straight-drawing bent angle joint die and an injection molding device thereof.

Background

The bent angle joint is used for wrapping the cables and protecting the internal cables.

In the prior art, as disclosed in application number CN200910095917.3 for manufacturing a 90-degree arc-shaped plastic bent pipe, wherein the connecting lugs are connected with the rotating shaft through keys, the structure is simple, the transmission is reliable, the number of mold cavities arranged in the mold core and the mold cavity is four, the two ends of the arc-shaped bent pipe are flared towards the outer side of the mold, the arrangement of one out of four is reasonable, the space utilization rate is high, the production efficiency can be improved, and the structure is compact.

However, in the prior art, the die structure is complex, for example, the die is driven by a plurality of racks and pinions in the application number CN200910095917.3, the internal structure is complex, in the demolding process, the demolding process is unstable, the operation is inconvenient, and the prepared bent pipe has defects such as burrs and the like.

Disclosure of Invention

The invention aims to provide a 90-degree straight-drawing bent angle joint die and an injection molding device thereof, which are used for solving the problems in the prior art.

The aim of the invention can be achieved by the following technical scheme:

a 90 degree direct extraction bent angle joint mould, includes the mould body, the mould body includes:

a fixed die and a movable die.

The fixed die is characterized in that a fixed die core is arranged on the fixed die, a movable die core is arranged on the movable die, L-shaped rotating plates are arranged on two sides of the movable die core and are in rotary connection with the movable die core, a corner joint is produced by 90-degree direct drawing, a movable first moving plate is arranged in the movable die, connecting rods are arranged on two sides of the first moving plate in a rotary mode, and one end of each connecting rod is used for being in rotary connection with the corresponding L-shaped rotating plate to form a locating point.

Further, one side of the movable mould is provided with a second mould frame, two base plates are fixedly arranged on the second mould frame, two stabilizing rods are fixedly arranged on the second mould frame and used for connecting the movable mould, a push plate is arranged between the two base plates, and the push plate is in sliding connection with the stabilizing rods.

One side of the push plate is fixedly provided with a thimble for demolding the corner joint, a sliding groove is arranged in the movable die, a reset spring is arranged between the push plate and the movable die, a through hole is arranged on the second die frame, a pneumatic positioning cylinder is fixedly arranged on the movable die, and a waterway is arranged in the fixed die core and used for continuously cooling the inside of the die.

Further, be provided with the riser in the movable mould, the fixed first slide rail that is equipped with in one side of riser for sliding mounting first movable plate, one side of first movable plate is connected with the second movable plate, is equipped with T type groove on the first movable plate, and its bottom is fixed to be equipped with T type piece, pneumatic positioning cylinder's output pole and the T type groove joint on the first movable plate.

The second movable plate is provided with a T-shaped groove for connecting the T-shaped blocks to form a core-pulling branch, two sides of the first movable plate are provided with inclined grooves for rotating the mounting connecting rod to form positioning points, the second movable plate is provided with positioning pins, one ends of the positioning pins are abutted to the first movable plate, and the other ends of the positioning pins are provided with grooves.

Further, two positioning shafts are fixedly arranged on the movable mold core, an L-shaped rotating plate is rotatably installed through the positioning shafts, a second sliding rail is arranged on one side of the L-shaped rotating plate, and a walking block is arranged on the second sliding rail in a sliding mode.

The locating block is internally fixed with a sleeve, the L-shaped rotating plate is fixedly provided with a straight rod, one end of the straight rod, which is positioned in the movable die core, is provided with a right-angle elbow, the right-angle elbow is coaxial with the locating shaft, one end of the right-angle elbow is fixedly provided with a lug, and the sleeve is sleeved on the straight rod in a sliding manner.

Further, the line position block is provided with an inclined U-shaped groove, two limiting rods are fastened in the movable mould, the two limiting rods are respectively arranged on two sides of the vertical plate and above the positioning shaft, and the L-shaped rotating plate is provided with a limiting groove.

The limiting rod is matched with the limiting groove and used for opening the die to fix the L-shaped rotating plate, the groove is matched with the convex block, the U-shaped groove is matched with the U-shaped block and used for installing and connecting the U-shaped block with the line position block.

Further, one side of cover half is equipped with first die carrier, and fixed being equipped with the purt mouth on the first die carrier, the symmetry is equipped with the guide pillar on the cover half, and spout and guide pillar cooperation are equipped with the mounting groove in the cover half benevolence both sides on the cover half, and install the U-shaped piece in the mounting groove to one side of cover half is equipped with the cooperation groove, cooperation groove and the cooperation of second slide rail compound die.

An injection molding device of a 90 degree straight extraction corner joint mold, the mold being disposed within the injection molding device, the injection molding device comprising:

a working table.

The utility model discloses a mould, including workstation, fixed mould body, injection moulding device, collecting plate, extruding machine, fixed mould body, extruding machine, extruding outlet and purt mouth, the fixed shell that is equipped with on the workstation for install the mould body, injection moulding device utilizes the mould to carry out 90 degrees direct drawing shaping production to the bent angle joint, installs the symmetrically distributed's collecting plate on the workstation, and the fixed washing tank that is equipped with in below of workstation, the fixed extruder that is equipped with in one side of shell, the cover half is installed in the shell, extruding outlet and purt mouth intercommunication of extruder.

Further, equipment box and play feed bin are provided with to the below of workstation, and equipment box internal fixation is equipped with two threaded rods, and the fixed conveyer belt that is equipped with in bottom in the equipment box is fixed to one side of conveyer belt and is equipped with the fan subassembly for the bent angle joint finished product on the conveyer belt is dry.

The device comprises a die body, and is characterized in that a blanking hole is formed in the device box, the blanking hole is arranged below the die body, two positioning blocks are fixedly arranged on one side of the device box and used for being connected with a cleaning tank, a plurality of round tubes are fixedly arranged in a shell, one end of each round tube is connected with a middle plate, and a push rod is fixedly arranged on one side of each middle plate.

The circular tube is internally provided with a sliding rod in a sliding manner, one end of the sliding rod is connected with a mounting panel, the mounting panel is used for connecting the second die carrier, the supporting spring is connected between the middle plate and the mounting panel, the mounting panel is symmetrically connected with a first supporting rod, and the first supporting rod is rotationally connected with the shell through a second supporting rod.

The second support rod is rotationally provided with a movable round rod, the shell is rotationally provided with a rotary rod, two ends of the rotary rod are provided with external threads with opposite rotation directions, one end of the ejector rod penetrates through the through hole to push the push plate, and the ejector rod is ejected to a 90-degree bent angle joint in the movable die core through the ejector rod.

Further, the collecting plate comprises a shaft rod which is used for being rotatably installed in the blanking hole, a mounting plate is fixedly arranged on the shaft rod, an elastic cloth net is obliquely arranged on the mounting plate and used for buffering blanking of the corner joint, a driving rod is arranged at the bottom of the mounting plate in a sliding mode, and a sliding plate is arranged at one end of the driving rod in a rotating mode.

One side of the cleaning tank is provided with two positioning grooves, a double-head screw rod is rotationally arranged on the cleaning tank, a water inlet pipe is fixedly arranged on the cleaning tank, a screen plate is arranged in the cleaning tank, a rotational flow impeller is rotationally arranged below the screen plate and used for controlling water flow to rotationally clean the corner joint, and a connecting block is arranged on the cleaning tank.

The positioning groove is matched with the positioning block, the two sliding plates are matched with the double-head screw rod, and the threaded rod penetrates through the connecting block to be matched with the nut.

Further, be provided with a plurality of mobilizable buffer board in the washing tank, the one end intercommunication that is close to the buffer board on the washing tank has the outlet pipe, is equipped with the cambered surface groove on the washing tank, and sliding connection has rotatable ring on the cambered surface groove, rotates on the ring and is equipped with first splint, rotates on the first splint and is equipped with the second splint.

Two clamping jaws are arranged on the first clamping plate and the second clamping plate, clamping grooves are formed in the clamping jaws, an outer gear ring is arranged on the circular ring, and gears are rotatably arranged on the cleaning grooves and matched with the outer gear ring.

The invention has the beneficial effects that:

1. according to the 90-degree direct-drawing corner joint die, the pneumatic positioning cylinder drives the connecting rod to move to drive the L-shaped rotating plate to rotate, so that the demolding of the inner hole of the corner joint is completed, the positioning needle is synchronously driven to demolding upwards, the demolding operation is rapidly completed, the internal structure is simple, and the demolding is rapid and safe;

2. the invention relates to a 90-degree straight-drawing bent angle joint die, wherein two line blocks forming a line structure are driven by a U-shaped block to move reversely when the die is opened, a sleeve is taken out from a driven die core, the L-shaped rotating plate is limited by contact, and the L-shaped rotating plate of the die is fixed by a limiting rod;

3. the injection molding device of the 90-degree direct-drawing corner joint mold is simple in structure, the mold is rapidly and stably opened and closed, the right-angle street is produced by injection molding, the produced corner joint stably drops into water flow in a cleaning tank, the buffering effect is good, and the corner joint is cleaned and then dried, so that the clean corner joint is obtained.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of an injection molding apparatus of the present invention;

FIG. 2 is a schematic diagram of a mold structure according to the present invention;

FIG. 3 is a cross-sectional view of the inventive die;

FIG. 4 is a schematic view of a mold section of the present invention;

FIG. 5 is a schematic diagram of a movable mold structure according to the present invention;

FIG. 6 is a cross-sectional view of a movable mold structure of the present invention;

FIG. 7 is a schematic view of a part of the structure of a stationary mold according to the present invention;

FIG. 8 is a front view of a water path of a movable mold insert of the present invention;

FIG. 9 is a side view of a water path of a movable mold insert of the present invention;

FIG. 10 is a schematic view of a portion of an injection molding apparatus of the present invention;

FIG. 11 is a cross-sectional view of a portion of the structure of an injection molding apparatus of the present invention;

FIG. 12 is a partial cross-sectional view of a portion of the structure of an injection molding apparatus of the present invention;

FIG. 13 is a schematic view of the structure of the work table of the present invention;

FIG. 14 is a schematic view showing the structure of the cleaning tank of the present invention;

FIG. 15 is a schematic view of the structure of the collecting plate and the cleaning tank of the present invention.

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.

The utility model provides a 90 take out bent angle joint mould directly, mould includes mould body 2, and as shown in fig. 2-9, mould body 2 includes cover half 21 and movable mould 22, and one side that keeps away from movable mould 22 on the cover half 21 is equipped with first die carrier 211, and one side that keeps away from the cover half 21 on the movable mould 22 is equipped with second die carrier 222, and the fixed backing plate 221 that is equipped with symmetrical distribution on the second die carrier 222 is equipped with push pedal 224 between two backing plates 221, has seted up through-hole 223 on the second die carrier 222.

One end of the backing plate 221 far away from the second die frame 222 is abutted on the movable die 22, a top plate 231 is fixedly arranged on the movable die 22, a pneumatic positioning cylinder 23 is fixedly arranged on the top plate 231, the output end of the pneumatic positioning cylinder 23 penetrates through the top plate 231, the die body 2 further comprises a fixed die core 24 and a movable die core 25, the fixed die core 24 is arranged on the fixed die 21, the movable die core 25 is arranged in the movable die 22, and after the fixed die core 24 and the movable die core 25 are clamped, injection molding production of the 90-degree bent angle joint is performed.

The second die frame 222 is fixedly provided with two stabilizing rods 225, the stabilizing rods 225 are abutted on the movable die 22 and used for supporting the movable die 22, the push plate 224 is in sliding connection with the stabilizing rods 225, one side of the push plate 224 is fixedly provided with a thimble 226, the thimble 226 penetrates through the movable die 22 and the movable die core 25 and is used for ejecting right-angle connectors in the movable die core 25, and a reset spring is arranged between the push plate 224 and the movable die 22 and used for ejecting and fixing the push plate 224 on the second die frame 222.

The water path 242 is arranged in the fixed die core 24 and is used for cooling the fixed die core 24 and the bent angle joint of injection molding, forming of the bent angle joint is guaranteed, the first die frame 211 is fixedly provided with the sprue 241, the sprue 241 is communicated with the fixed die core 24 and is used for enabling injection molding raw materials to enter the fixed die core 24, the fixed die 21 is provided with symmetrically distributed guide posts 212 and used for moving and guiding the movable die 22, and the movable die 22 is internally provided with the sliding grooves 227, and the sliding grooves 227 are matched with the guide posts 212 to enable the fixed die 21 and the movable die 22 to be stably clamped and opened.

Two mounting grooves 213 are formed in one side of the fixed die 21, which is provided with the fixed die core 24, the mounting grooves 213 are formed in two sides of the fixed die 21, a U-shaped block 215 which is obliquely arranged is fastened in the mounting grooves 213 and used for realizing the line position function of the corner joint die, and a matching groove 214 is formed in one side of the fixed die 21.

The vertical plate 26 is installed in the movable mould 22 and located below the top plate 231, a first sliding rail 261 is fixedly arranged on one side of the vertical plate 26, a clamping groove is formed in an output rod of the pneumatic positioning cylinder 23, not shown in the clamping groove diagram, a first movable plate 262 and a second movable plate 263 are slidably arranged on the first sliding rail 261, a T-shaped groove 264 is formed in the first movable plate 262, the first movable plate 262 is connected with the clamping groove on the pneumatic positioning cylinder 23 in a matched mode through the T-shaped groove 264, and the T-shaped groove 264 is also formed in the second movable plate 263.

The bottom of first movable plate 262 is fixed and is equipped with T type piece 265, and T type piece 265 is connected with the cooperation of T type groove 264 on the first movable plate 262, forms the core branch of loosing core of shaping face, and chute 266 has all been seted up to the both sides of first movable plate 262, has seted up spacing groove 267 on the second movable plate 263, installs the locating needle 283 in the block of spacing groove 267, and the top and the first movable plate 262 butt of locating needle 283 are fixed, and its bottom card is equipped with the recess, and the one side that keeps away from first movable plate 262 on the second movable plate 263 is with movable mould benevolence 25 up end butt.

The movable die core 25 is fixedly provided with two positioning shafts 251, the axle center of the bent angle joint is positioned on the axis of the positioning shafts 251, two sides of the movable die core 25 are provided with L-shaped rotating plates 20, the L-shaped rotating plates 20 are provided with shaft sleeves, the shaft sleeves are rotationally connected with the positioning shafts 251, one side of each L-shaped rotating plate 20 is provided with a second sliding rail 201, the second sliding rails 201 are slidably provided with a moving block 202, one side of the moving block 202 after die assembly is abutted against the side face of the movable die core 25, and the matching grooves 214 are matched with the second sliding rails 201.

The line position piece 202 internal fixation is equipped with the sleeve pipe 281, the sleeve pipe 281 cover is established on the straight-bar 28, and the one end of sleeve pipe 281 inserts in the movable mould benevolence 25, the one end and the line position piece 202 fixed connection of straight-bar 28, the other end is fixed to be equipped with right angle return bend 282, the one end that keeps away from straight-bar 28 on the right angle return bend 282 is fixed to be equipped with the lug, recess and lug cooperation, the last rotation of L shape rotor plate 20 is equipped with connecting rod 27, the both ends of connecting rod 27 are equipped with the through-hole, one end of connecting rod 27 passes the through-hole through the bolt and is connected with L shape rotor plate 20, form a setpoint, the other end and the chute 266 rotation of connecting rod 27 are connected, form another setpoint.

The right-angle elbow 282 and the positioning shaft 251 are coaxial, in the mold opening process, the pneumatic positioning cylinder 23 drives the first moving plate 262 to move upwards, drives the positioning needle 283 to move upwards, drives the connecting rod 27 to drive the two L-shaped rotating plates 20 to rotate from a horizontal state to a vertical state, and the right-angle elbow 282 rotates out of the driven mold 22, otherwise, the first moving plate 262 moves downwards, can rotate from the vertical state to the horizontal state from the L-shaped rotating plates 20, and the right-angle elbow 282 rotates into the movable mold 22 until being matched and connected with the positioning needle 283.

The line position block 202 is obliquely provided with a U-shaped groove, the U-shaped groove is matched with the U-shaped block 215, the line position block 202 is pushed by the U-shaped block 215 to be separated from the side surface of the movable mold core 25 during mold separation, one end of the sleeve 281 is moved out of the movable mold core 25, otherwise, the U-shaped block 215 is inserted into the line position block 202 during mold closing, and the line position block 202 is pushed to be abutted against the side surface of the movable mold core 25.

The movable mould 22 internal fixation is equipped with two gag lever posts 29, and two gag lever posts 29 set up in the top of locating shaft 251 and are located the both sides of riser 26, have seted up spacing groove 203 on the L shape rotor plate 20, when the mould is opened, after L shape rotor plate 20 rotated to vertical state by the horizontality, gag lever post 29 cooperatees with spacing groove 203, carries out the butt fixedly to L shape rotor plate 20, stabilizes L shape rotor plate 20.

The application method of the 90-degree straight-drawing corner joint die comprises the following steps:

when the mold is closed, the pneumatic positioning cylinder 23 controls the first moving plate 262 and the second moving plate 263 to move downwards, so as to drive the positioning pin 283 to move downwards and insert into the mold cavity of the movable mold core 25, and the two L-shaped rotating plates 20 are pushed to rotate by the connecting rods 27 through rotation of two sides, so that the L-shaped rotating plates 20 rotate from a vertical state to a horizontal state, and then the right-angle elbow 282 rotates along the axis of the positioning shaft 251.

Until the right-angle elbow 282 rotates into the die cavity of the movable die core 25, the right-angle elbow is connected with the positioning pin 283 in a matched manner to form an internal structure for forming an inner hole of the 90-degree elbow joint, the inner hole after injection molding of the elbow joint is burr-free, the brake die 22 is controlled to move towards the direction close to the fixed die 21, at the moment, the U-shaped block 215 is inserted into the line position block 202, so that the line position block 202 moves towards the movable die core 25 until the line position block 202 is abutted against the side surface of the movable die core 25, and die assembly is completed.

During mold separation, the brake mold 22 is controlled to move in a direction away from the fixed mold 21, at this time, the U-shaped block 215 moves out of the line position block 202, drives the line position block 202 to move away from the movable mold core 25, moves one end of the sleeve 281 out of the movable mold core 25, and releases the fixation of the movable mold core 202, at this time, the movable mold core 25 is separated from the fixed mold core 24, and the molded corner joint is leaked, and then the first moving plate 262 and the second moving plate 263 are controlled to move upwards, so that the positioning needle 283 is driven to move upwards and out of the movable mold core 25.

And the two L-shaped rotating plates 20 are pulled to rotate through the connecting rods 27 which are arranged at the two sides in a rotating way, so that the L-shaped rotating plates 20 rotate from a horizontal state to a vertical state, then the right-angle bent pipe 282 rotates along the axis of the positioning shaft 251 until the right-angle bent pipe 282 rotates out of the movable die core 25, the fixing of the bent angle joint is released, the 90-degree direct-drawing bent angle joint injection production operation is realized, the bent angle joint is ejected out through the ejector pins 226, and the bent angle joint is subjected to blanking.

After the pneumatic positioning cylinder 23 resets the connecting rod 27, the secondary production and processing can be repeated after the completion, and in the embodiment, the inner hole of the finished product after the die forming and processing has no connecting trace, no flash and chamfer, is suitable for smooth passing of cables, and is convenient for threading operation.

An injection molding device of a 90-degree straight-drawing corner joint utilizes the die to carry out 90-degree straight-drawing molding production on the corner joint.

As shown in fig. 1, 10, 11, 12 and 13, the injection molding device comprises a workbench 1, a shell 6 is fixedly arranged on the workbench 1, a die body 2 is installed in the shell 6, two symmetrically arranged collecting plates 4 are rotatably installed below the die body 2, a cleaning tank 5 is arranged below the collecting plates 4, the cleaning tank 5 is fixedly connected with the workbench 1, and an extruder 7 is fixedly arranged on one side of the shell 6.

One side of the shell 6 is provided with a sliding groove 61, a connecting piece 62 is arranged in the sliding groove 61, a shell 63 is arranged on the connecting piece 62, the shell 63 can be opened in a sliding way, a through groove 65 is formed in the shell 6, an operation panel 64 is fixedly arranged on the shell 6, the operation panel 64 is positioned on one side of the extruder 7, a feed inlet 71 is arranged on the extruder 7, a feed hopper is arranged on the feed inlet 71, and a threaded hole 66 is formed in one side, close to the extruder 7, of the shell 6.

The bolt passes through the screw hole 66 and is fixedly connected with a first die carrier 211 on the die body 2 for fixing the cover half 21 on the die body 2 in the shell 6, the discharge gate of the extruder 7 penetrates through the shell 6, and the discharge gate is communicated with a sprue bushing 241 on the cover half 21.

The fixed support that is equipped with in below of workstation 1, the support is equipped with equipment box 11, and one side of equipment box 11 is provided with out feed bin 12, and equipment box 11 inner wall is fixed to be equipped with two threaded rods 111, and equipment box 11's bottom is fixed to be equipped with conveyer belt 112, and equipment box 11 internally mounted has fan subassembly 113, and fan subassembly 113 sets up in one side of equipment box 11 for blow to conveyer belt 112.

The equipment box 11 is located the below of shell 6, has offered the unloading hole 114 on the equipment box 11, and the unloading hole 114 is located the below of mould body 2, and the fixed locating piece 115 that is equipped with symmetric distribution in one side of equipment box 11, the fixed pipe 15 that is equipped with array distribution in the one side of keeping away from mould body 2 in the shell 6, the fixed intermediate plate 151 that is equipped with of one end of pipe 15, the fixed supporting spring 16 that is equipped with in one side of intermediate plate 151, supporting spring 16 cover is located on the slide bar 152.

The slide bar 152 slides and sets up in pipe 15, and the one end of slide bar 152 is fixed to be equipped with the installation panel 14, and installation panel 14 butt is on second die carrier 222, and with second die carrier 222 fixed connection, be equipped with symmetrical distribution's first branch 19 on the installation panel 14, the one end and the installation panel 14 of first branch 19 rotate to be connected, and the other end rotates to be connected with second branch 191, and second branch 191 rotates to be connected with the inner wall of shell 6, and the rotation of second branch 191 is equipped with round bar 192, and round bar 192 can translate in second branch 191, carries out fine motion removal.

The shell 6 is internally fastened and is provided with a fixing frame, a rotating rod 102 which is horizontally arranged is rotationally arranged on the fixing frame, external threads 104 which are opposite in direction are arranged at two ends of the rotating rod 102, a second bevel gear 103 is fixedly arranged on the rotating rod 102, a first motor 10 is fixedly arranged on the fixing frame, the output end of the first motor 10 is fixedly connected with a first bevel gear 101, the second bevel gear 103 is meshed with the first bevel gear 101 and is used for driving the second bevel gear 103 to rotate so as to drive the rotating rod 102 to rotate, the external threads are in threaded connection with a round rod 192, and two second struts 191 are controlled to rotate oppositely or reversely.

The workbench 1 is fixedly provided with a third sliding rail 13 which is positioned in the shell 6, the bottom of the installation panel 14 is fixedly provided with a supporting leg 141, the supporting leg 141 is slidably installed on the third sliding rail 13 and used for stabilizing the installation panel 14, the movable die 22 and the second die frame 222 are supported, one side, close to the die body 2, of the middle plate 151 is fixedly provided with a push rod 18, when the die is opened, the push rod 18 is used for penetrating through the through hole 223 to move the push plate 224, the push rod 226 is controlled to move into the movable die core 25, and a 90-degree bent angle joint positioned in a die groove of the movable die core 25 is ejected.

As shown in fig. 14 and 15, after the corner joint is demolded, the corner joint falls from the blanking hole 114, two mounting holes 116 are formed in the blanking hole 114, the collecting plate 4 comprises a shaft lever 41, a mounting plate 42 is fixedly arranged on the shaft lever 41, an elastic cloth net 43 which is obliquely arranged is fixedly arranged on the mounting plate 42, the shaft lever 41 is rotationally connected with the mounting holes 116, the elastic cloth net 43 buffers the falling corner joint, and the two symmetrically arranged collecting plates 4 guide the corner joint and guide the corner joint into the cleaning tank 5.

The bottom of mounting panel 42 is equipped with open slot 45, and straight slot 44 has been seted up to the both sides of mounting panel 42, and the open slot 45 sliding is equipped with actuating lever 46, and actuating lever 46's both ends are fixed to be equipped with knuckle 47, knuckle 47 and straight slot 44 sliding connection, and actuating lever 46's one end rotates and is equipped with slide 48.

Two positioning grooves 51 are formed in one side of the cleaning tank 5, the positioning grooves 51 are matched with the positioning blocks 115, a double-head screw rod 52 is rotatably arranged on the cleaning tank 5, a second motor 520 is fixedly arranged on the cleaning tank 5, the output end of the second motor 520 is fixedly connected with the double-head screw rod 52, the double-head screw rod 52 is driven to rotate, the double-head screw rod 52 penetrates through two sliding plates 48, and the sliding plates 48 are in threaded connection with the double-head screw rod 52.

The double-end lead screw 52 is arranged at one end of the cleaning tank 5, a water inlet pipe is fixedly arranged at the end, not shown in the figure, of the cleaning tank 5 and used for supplying cleaning liquid into the cleaning tank 5, a screen plate 53 is arranged at the bottom end of a slope in the cleaning tank 5, a swirl groove is arranged below the screen plate 53, a swirl impeller is rotatably arranged in the swirl groove, not shown in the figure, a third motor 530 is fixedly arranged at the bottom of the cleaning tank 5, and the output end of the third motor 530 is fixedly connected with the swirl impeller.

The third motor 530 drives the rotary impeller to rotate, so that the water flow on the screen plate 53 generates rotational flow water flow, rotational flow cleaning is performed on the bent angle joint sliding down along the water flow, residual greasy dirt is removed during injection molding of the component, the bent angle joint is left along the water flow from the slope in the cleaning tank and enters the rotational flow end for cleaning, and finally the material taking end is reached.

The material taking end of the cleaning tank 5 is fixedly provided with a connecting block 54, a threaded rod 111 penetrates through the connecting block 54 and is connected with a nut, the material taking end is locked on the inner wall of the equipment box 11, the material taking end is communicated with a water outlet pipe, waste water after cleaning is led out, and upright posts 55 distributed in an array are fixedly arranged in the cleaning tank 5 and located at the material taking end.

One side of the upright post 55 is fixedly provided with a telescopic rod 56, a spring 58 is arranged on the telescopic rod 56, one end, far away from the upright post 55, of the telescopic rod 56 is fixedly provided with a buffer plate 57, and the buffer plate 57 is connected with one end of the spring 58 and is used for blocking an elbow joint brought by water flow and reducing impact force born by the elbow joint.

The arc-shaped groove 59 is formed in the cleaning groove 5, the circular ring 50 is rotationally arranged on the cleaning groove 5 and is in sliding connection with the arc-shaped groove 59, the fourth motor 501 is fixedly arranged on the circular ring 50, the output end of the fourth motor 501 is connected with the first clamping plate 502, the fifth motor 503 is fixedly arranged on the first clamping plate 502, the second clamping plate 504 is fixedly arranged at the output end of the fifth motor 503, the second clamping plate 504 is controlled to rotate, and the first clamping plate 502 and the second clamping plate 504 are both connected with the two clamping jaws 505.

The clamping jaw 505 is provided with a clamping groove 506 for clamping and fixing the bent angle joint, the second clamping plate 504 is rotated, the clamping jaw 505 on the second clamping plate passes through a gap between the two upright posts 55, the bent angle joint abutting on one side of the buffer plate 57 is pushed to abut against the clamping jaw 505 on the first clamping plate 502, and the first clamping plate 502 and the second clamping plate 504 are matched to fix the bent angle joint, so that a cleaned finished product is conveniently taken out.

The outer gear ring 500 is arranged on the circular ring 50, the sixth motor 590 is fixedly arranged on the cleaning tank 5, the gear 591 is fixedly arranged at the output end of the sixth motor 590, the gear 591 is meshed with the outer gear ring 500 of the circular ring 50, the circular ring 50 is driven to rotate through the gear 591, the positions of the first clamping plate 502 and the second clamping plate 504 are adjusted, the corner joint is taken down from the cleaning tank 5 and placed on the conveying belt 112, the corner joint is conveyed to the discharging bin 12 from the inside of the equipment box 11, the fan assembly 113 is started in the conveying process, and the corner joint is dried to obtain a clean and dry corner joint finished product.

When the injection molding device is used, the using method of the injection molding device for the 90-degree straight-drawing bent angle joint is as follows:

the die body 2 for producing the bent angle joint by injection molding is arranged in an injection molding device, the fixed die 21 is arranged on the shell 6 and is communicated with the discharge port and the sprue 241 of the extruder 7, the mounting panel 14 is connected with the second die frame 222 in a mounting way, the two second supporting rods 191 are driven to rotate oppositely or reversely by rotating the rotating rod 102, the movable die 22 is controlled to move so as to be matched with or separated from the fixed die 21, the die body 2 works, and the 90-degree bent angle joint is directly subjected to the injection molding production.

After the production-molded corner joint is ejected and demoulded, the corner joint falls onto two material collecting plates 4 with adjustable intervals and is supported and buffered by an elastic cloth net 43, damage to the corner joint caused by falling rigid collision is prevented, the corner joint falls onto a cleaning tank 5 from the inclined elastic cloth net 43, slides down from the inclined section of the cleaning tank 5 along water flow, and performs cyclone cleaning on the corner joint to a screen plate 53 so as to remove residual greasy dirt when elements are injection molded, and finally the corner joint reaches a material taking end along water flow and is blocked by a buffer plate 57.

Finally, the second clamping plate 504 is rotated to be separated from the first clamping plate 502, the fifth motor 503 is started to control the first clamping plate 502 to rotate to the side, far away from the buffer plate 57, of the corner joint, then the second clamping plate 504 is rotated to be combined with the first clamping plate 502, the corner joint at one side of the buffer plate 57 is clamped, and then the first clamping plate 502 is driven to rotate through the fifth motor 503, so that the corner joint is rotated out of the cleaning tank 5.

Finally, a sixth motor 590 is started, the ring 50 is driven to rotate through the gear 591, the first clamping plate 502 with the bent angle joint clamped is rotated from the cleaning tank 5 to the lower side of the cleaning tank 5, the bent angle joint is taken out from the cleaning tank 5 and placed on the conveying belt 112, the bent angle joint is conveyed to the discharging bin 12 from the equipment box 11, the fan assembly 113 is started in the conveying process, and the bent angle joint is dried, so that a clean and dry bent angle joint finished product is obtained.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (7)

1. Injection molding device of 90 degrees straight pull bent angle joint mould, including mould body (2), its characterized in that, mould body (2) include:

a fixed die (21) and a movable die (22);

the fixed die (21) is provided with a fixed die core (24), the movable die (22) is provided with a movable die core (25), two sides of the movable die core (25) are provided with L-shaped rotating plates (20), the L-shaped rotating plates (20) are rotationally connected with the movable die core (25) and are used for 90-degree direct drawing production corner joints, the movable die (22) is internally provided with a movable first moving plate (262), two sides of the first moving plate (262) are rotationally provided with connecting rods (27), one ends of the connecting rods (27) are used for rotationally connecting the L-shaped rotating plates (20) to form positioning points, one side of the L-shaped rotating plates (20) is provided with second sliding rails (201), and the second sliding rails (201) are provided with sliding blocks (202) in a sliding manner;

the L-shaped rotating plate (20) is fixedly provided with a straight rod (28), one end of the straight rod (28) positioned in the movable die core (25) is provided with a right-angle bent pipe (282), one end of the right-angle bent pipe (282) is fixedly provided with a convex block, the movable die (22) is internally provided with a vertical plate (26), one side of the vertical plate (26) is fixedly provided with a first sliding rail (261) for sliding installation of a first moving plate (262), one side of the first moving plate (262) is connected with a second moving plate (263), the second moving plate (263) is provided with a positioning needle (283), one end of the positioning needle (283) is abutted against the first moving plate (262), the other end of the positioning needle (283) is provided with a groove, and the groove is matched with the convex block;

the two sides of a fixed die core (24) on the fixed die (21) are provided with mounting grooves (213), U-shaped blocks (215) are obliquely arranged in the mounting grooves (213), one side of the fixed die (21) is provided with a matching groove (214), and the matching groove (214) is matched with the second sliding rail (201) in a die clamping manner;

the mold is arranged in an injection molding device, and the injection molding device comprises:

a work table (1);

the plastic injection molding device comprises a workbench (1), a shell (6) and a plastic injection molding device, wherein the shell is used for installing a die body (2), the plastic injection molding device utilizes a die to carry out 90-degree direct drawing molding production on a bent joint, a material collecting plate (4) which is symmetrically distributed is installed on the workbench (1), a cleaning tank (5) is fixedly arranged below the workbench (1), an extruder (7) is fixedly arranged on one side of the shell (6), the plastic injection molding device is installed in the shell (6), and an extrusion port of the extruder (7) is communicated with a sprue (241);

an equipment box (11) is arranged below the workbench (1), two threaded rods (111) are fixedly arranged in the equipment box (11), two positioning blocks (115) are fixedly arranged on one side of the equipment box (11) and used for being connected with a cleaning tank (5), two positioning grooves (51) are formed in one side of the cleaning tank (5), a water inlet pipe is fixedly arranged on the cleaning tank (5), and a connecting block (54) is arranged on the cleaning tank (5);

the positioning groove (51) is matched with the positioning block (115), and the threaded rod (111) penetrates through the connecting block (54) to be matched with the nut;

the device comprises a die body (2), a material collecting plate (4), a mounting plate (42), an elastic cloth net (43) and a driving rod (46) are arranged on the mounting plate (42) in an inclined mode, the driving rod (46) is arranged at the bottom of the mounting plate (42) in a sliding mode, a sliding plate (48) is arranged at one end of the driving rod (46) in a rotating mode, a double-end screw (52) is arranged on the cleaning tank (5) in a rotating mode, a screen plate (53) is arranged in the cleaning tank (5), a rotational flow impeller is arranged below the screen plate (53) in a rotating mode, and used for controlling water flow to perform rotational flow cleaning on the bent joint, and the two sliding plates (48) are matched with the double-end screw (52);

a plurality of movable buffer plates (57) are arranged in the cleaning tank (5), one end, close to the buffer plates (57), of the cleaning tank (5) is communicated with a water outlet pipe, a cambered surface groove (59) is formed in the cleaning tank (5), a rotatable ring (50) is connected to the cambered surface groove (59) in a sliding mode, a first clamping plate (502) is arranged on the ring (50) in a rotating mode, and a second clamping plate (504) is arranged on the first clamping plate (502) in a rotating mode;

two clamping jaws (505) are arranged on the first clamping plate (502) and the second clamping plate (504), clamping grooves (506) are formed in the clamping jaws (505), an outer gear ring (500) is arranged on the circular ring (50), a gear (591) is rotatably arranged on the cleaning groove (5), and the gear (591) is matched with the outer gear ring (500).

2. The injection molding device of the 90-degree straight-drawing corner joint mold according to claim 1, wherein a second mold frame (222) is arranged on one side of the movable mold (22), two base plates (221) are fixedly arranged on the second mold frame (222), two stabilizing rods (225) are fixedly arranged on the second mold frame (222) and used for connecting and stabilizing the movable mold (22), a push plate (224) is arranged between the two base plates (221), and the push plate (224) is in sliding connection with the stabilizing rods (225);

one side of the push plate (224) is fixedly provided with a thimble (226) for demolding the corner joint, a chute (227) is arranged in the movable die (22), a reset spring is arranged between the push plate (224) and the movable die (22), a through hole (223) is arranged on the second die carrier (222), a pneumatic positioning cylinder (23) is fixedly arranged on the movable die (22), and a waterway (242) is arranged in the fixed die core (24) and used for continuously cooling the inside of the die.

3. The injection molding device of the 90-degree straight-drawing corner joint mold according to claim 2, wherein the first moving plate (262) is provided with a T-shaped groove (264), the bottom of the first moving plate is fixedly provided with a T-shaped block (265), and an output rod of the pneumatic positioning cylinder (23) is clamped with the T-shaped groove (264) on the first moving plate (262);

the second movable plate (263) is provided with a T-shaped groove (264) for connecting the T-shaped blocks (265) to form core-pulling branches, and two sides of the first movable plate (262) are provided with inclined grooves (266) for rotating the mounting connecting rod (27) to form positioning points.

4. An injection molding device of a 90-degree straight-drawing corner joint mold according to claim 3, wherein two positioning shafts (251) are fixedly arranged on the movable mold core (25), and an L-shaped rotating plate (20) is rotatably arranged through the positioning shafts (251);

a sleeve (281) is fixedly arranged in the row position block (202), the right-angle elbow pipe (282) and the positioning shaft (251) are coaxial, and the sleeve (281) is sleeved on the straight rod (28) in a sliding mode.

5. The injection molding device of the 90-degree straight-drawing bent angle joint mold according to claim 4, wherein the row position block (202) is provided with an inclined U-shaped groove, two limiting rods (29) are fastened in the movable mold (22), the two limiting rods (29) are respectively arranged on two sides of the vertical plate (26) and above the positioning shaft (251), and the L-shaped rotating plate (20) is provided with a limiting groove (203);

the limiting rod (29) is matched with the limiting groove (203) and used for opening the die to fix the L-shaped rotating plate (20), the U-shaped groove is matched with the U-shaped block (215), and the U-shaped block (215) is used for being connected with the line position block (202) in an installation mode.

6. The injection molding device of the 90-degree straight-drawing corner joint mold according to claim 5, wherein a first mold frame (211) is arranged on one side of the fixed mold (21), a sprue (241) is fixedly arranged on the first mold frame (211), guide posts (212) are symmetrically arranged on the fixed mold (21), and the sliding grooves (227) are matched with the guide posts (212).

7. The injection molding device of the 90-degree straight-drawing corner joint mold according to claim 6, wherein a discharging bin (12) is arranged below the workbench (1), a conveyor belt (112) is fixedly arranged at the bottom in the equipment box (11), and a fan assembly (113) is fixedly arranged at one side of the conveyor belt (112) and used for drying a corner joint finished product on the conveyor belt (112);

a plurality of round tubes (15) are fixedly arranged in the shell (6), one end of each round tube (15) is connected with a middle plate (151), and a push rod (18) is fixedly arranged on one side of each middle plate (151);

a sliding rod (152) is arranged in the circular tube (15) in a sliding manner, a supporting spring (16) is sleeved on the sliding rod (152), one end of the sliding rod (152) is connected with a mounting panel (14) and used for being connected with a second die carrier (222), the supporting spring (16) is connected between the middle plate (151) and the mounting panel (14), the mounting panel (14) is symmetrically connected with a first supporting rod (19), and the first supporting rod (19) is rotationally connected with the shell (6) through a second supporting rod (191);

the second support rod (191) rotates to be provided with movable round rod (192), the shell (6) rotates to be provided with rotary rod (102), the both ends of rotary rod (102) are equipped with external screw thread (104) of opposite rotation direction, one end of ejector pin (18) passes through hole (223) and pushes away push pedal (224), carries out ejection to the 90 degrees bent angle joints in movable mould benevolence (25) through thimble (226).