CN111572067B

CN111572067B - Automatic die opening and closing and cleaning device for thermosetting composite material die pressing die

Info

Publication number: CN111572067B
Application number: CN202010328600.6A
Authority: CN
Inventors: 唐茂生
Original assignee: Beijing Tianyu Technology Co ltd
Current assignee: Beijing Tianyu Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-23
Publication date: 2022-06-21
Anticipated expiration: 2040-04-23
Also published as: CN111572067A

Abstract

The invention discloses an automatic die opening and closing and cleaning device and method for a thermosetting composite material die pressing die, and belongs to the technical field of composite material product manufacturing. The device provided by the invention comprises a mould buffer platform, a mould sliding table, a mould clamping device, an upper template lifting device, an ejector plate ejection device, a feeding prompting device and a dust collecting device, and realizes one-time mould opening and filling of a standard mould. The invention can realize the whole production processes of automatic die opening, die closing, cleaning, part ejection and the like of the thermosetting composite material, and has high integration and high working efficiency. The die opening and filling unit and the dust collecting device are separated, and the die pressing forming time is far longer than the cleaning time, so that the dies of five presses can be subjected to production operation through the automatic die opening and cleaning device, the utilization rate of equipment is improved, the labor intensity of workers is reduced, the workshop production environment is improved, and the effective utilization rate of workshop production is increased.

Description

Automatic mould opening, closing and cleaning device for thermosetting composite material mould pressing mould

Technical Field

The invention belongs to the technical field of composite material product manufacturing, and relates to an automatic die opening and closing and cleaning device for a thermosetting composite material die pressing die.

Background

Compression moulding is an important way of producing composite materials. For various small-batch composite product pieces, the mold needs to be frequently replaced in the press. In the prior art, a movable mould is usually adopted, and after each mould pressing is finished, the whole mould needs to be taken out manually, so that the labor intensity is large; in addition, the traditional mould opening and closing cleaning needs manual operation, and the labor intensity is large; one person of the original post stands beside a press to clean, load and unload the die, heating and pressure maintaining are needed during molding, the temperature of equipment accessories is high, and the working environment of workers is severe; the original post is opened and closed through the press, so that the effective utilization rate of the press is low.

Disclosure of Invention

The invention provides an automatic die opening, closing and cleaning device for a thermosetting composite material die to solve the problems of high labor intensity and low efficiency in the prior art,

an automatic mold opening and closing and cleaning device for a thermosetting composite material mold pressing mold comprises:

the mould buffer storage table is arranged above a first mould station in front of the support and can clamp a forming mould placed in the first mould station;

the mould sliding table is connected below the support in a sliding mode and can slide between a first mould station and a second mould station, and the mould sliding table is configured to convey a forming mould of the first mould station to the second mould station and convey a filling mould of the second mould station to the first mould station;

the mold clamping device comprises an upper mold clamping device and a lower mold clamping device, the upper mold clamping device is used for clamping an upper mold plate of a filling mold or a forming mold placed on the second mold station, and the lower mold clamping device is used for clamping a lower mold plate of the filling mold or the forming mold placed on the second mold station;

the upper template lifting device is connected with the upper template of the forming mold placed in the second mold station and can pull up the upper template to be separated from the lower template;

the ejector plate ejection device is arranged below the second mould station and can eject the formed part in the forming mould on the second mould station;

the feeding prompting device comprises an indicating lamp, a core material box and a material box and can indicate the row or the column of the core material box and the material box which need to be filled at present;

and the dust collecting device is arranged around the second mould station in a surrounding manner so as to collect the filler and the dust generated when the formed part is demoulded.

Optionally, the mold cache station comprises:

the first cylinder is arranged on the fixed support, the piston rod is vertically and downwards connected with the clamping guide rail, and the clamping guide rail can move up and down along the lifting guide rail through the driving of the first cylinder;

the gripper is slidably arranged at two ends of the clamping guide rail and is connected with the output end of a clamping cylinder arranged on the clamping guide rail, and the clamping cylinder is configured to drive the gripper to be separated and combined so as to clamp and release the mold.

Optionally, the mold cache station further comprises:

the limiting screws are connected to the clamping guide rail and screwed in from two ends of the clamping guide rail to the middle;

the floating limiting block is connected to the hand grip and is opposite to the limiting screw;

and the first compression spring is connected to the outer side of the floating limiting block and is opposite to the limiting screw.

Optionally, the mold slide comprises:

the second cylinder is fixed on the bracket;

the linear guide rail is arranged on the bracket and is parallel to the driving direction of the second cylinder;

the slide carriage is connected to the linear guide rail in a sliding mode, one end of the slide carriage is connected with the output end of the second air cylinder, and the second air cylinder can drive the slide carriage to slide on the linear guide rail;

optionally, the upper mold clamping device comprises:

the cylinder body of the third cylinder is arranged on the upper die fixing plate;

the first end of the first driving rod is rotationally connected with the output end of the third air cylinder; the first driving rod is rotatably connected with the bracket;

the first end of the first connecting rod is rotatably connected with the second end of the first driving rod;

the first pressure lever is L-shaped, a first end at the top of the first pressure lever is rotatably connected with the bracket, an inflection point position in the middle of the first pressure lever is rotatably connected with a second end of the first connecting rod, and the second end is a free end and is used for clamping an upper template of the forming mold or the filling mold;

and a first adjusting shim (305) which is arranged on the end surface of the free end and is fixed by a first bolt (306).

Optionally, the lower mold clamping device comprises:

the cylinder body of the fourth cylinder is fixed on the bracket;

the first end of the second driving rod is rotatably connected with the output end of the fourth cylinder; the second driving rod is rotatably connected with the bracket;

the second end of the second connecting rod is rotatably connected with the second end of the second driving rod;

the second pressure lever is of a gamma type, a first end at the bottom is rotatably connected with the bracket, an inflection point position in the middle is rotatably connected with a second end of the second connecting rod, and a second end at the top is a free end and is used for clamping a lower template of the forming mold or the filling mold;

and the second adjusting gasket is arranged on the end surface of the free end and is fixed through a second bolt.

Optionally, the upper die lifting device includes:

an upper mold fixing plate;

the bottom end of the pull rod is connected with an upper die fixing plate;

a mold opening large cylinder, a cylinder body of which is fixed on the hanging plate, and a piston rod of which is fixedly connected with the top of the pull rod, wherein the mold opening large cylinder is configured to lift the upper mold fixing plate upwards through the pull rod so as to separate the upper mold plate and the lower mold plate;

the mould opening lifting cylinder is characterized in that a cylinder body is fixed on a supporting plate, a piston rod is connected with the hanging plate, the supporting plate is arranged between the hanging plate and the upper mould fixing plate and fixed on the bracket, and the pull rod penetrates through a through hole in the supporting plate and is connected with the piston rod of the mould opening large cylinder; the supporting plate is provided with a sliding rail, and the hanging plate can slide up and down along the sliding rail.

Optionally, the ejector plate ejector device comprises:

the ejection cylinder is fixed on the bracket and is positioned below the die sliding table;

and the bottom end of the ejector rod is fixed at the output end of the ejection cylinder, and the top end of the ejector rod penetrates through the through hole in the slide carriage to be opposite to the through hole in the lower template.

Optionally, the dust collection device comprises:

the protective cover encloses the mould buffer platform, the mould sliding table, the mould clamping device and the upper template lifting device and forms a closed working room together with the bracket; the front side and the rear side of the shield are respectively provided with a front lifting door and a rear lifting door;

the blowing nozzle is arranged in the shield and is opposite to the position of the material sucking port on the bottom plate of the shield;

the dust collection box is connected with a fan through a first pipeline, and the fan is configured to provide negative pressure power; the material suction port is communicated with the integration box through a second pipeline;

optionally, the forming mold and the filling mold both adopt standard molds, each standard mold comprises an upper mold plate and a lower mold plate, the upper mold plate and the lower mold plate are combined to form a forming cavity, an ejector pin fixing plate is arranged in the forming cavity, and an ejector pin is arranged on the ejector pin fixing plate;

the side surface of the lower template is provided with a first butt joint hole and a second butt joint hole, and the first butt joint hole is matched with a gripper of the mold transport robot to realize grabbing transportation; the second butt joint hole is matched with the gripper on the mold cache table to realize gripping; the edges of the upper template and the lower template protrude out of the cavity to form lifting lugs, and the lifting lugs are matched with the mold clamping device to clamp the standard mold.

The invention also provides an automatic die opening and closing and cleaning method for the thermosetting composite material die pressing die, which comprises the following steps:

s1, the mould transportation robot carries the forming mould to a first mould station;

s2, the mould buffer platform grabs the forming mould and waits;

s3, the mould sliding table conveys the filling mould on the second mould station to the first mould station and the filling mould is taken away by the mould conveying robot; then the forming die is placed on the die sliding table of the first die station by the die buffer table;

s4, the mould sliding table transports the forming mould from the first mould station to the second mould station;

s5, clamping an upper template and a lower template of the forming mold by a mold clamping device;

s6, starting a large die opening cylinder by an upper die plate lifting device to separate the upper die plate from the lower die plate; then starting a lifting cylinder to lift the upper template in place; a piston rod of the locking cylinder extends out of the accommodating groove to be locked;

s7, ejecting the parts in the cavity by an ejector plate ejection device;

s8, filling materials into the hollow cavity according to the indication of the feeding prompt device; the piston rod of the locking cylinder is contracted and unlocked, and the upper template lifting device descends to enable the upper template to cover the lower template to form a filling mold;

and S9, releasing the clamping force by the mold clamping device, and transporting the filler mold to a first mold station by the mold sliding table and taking away the filler mold by the mold transporting robot.

The invention has the advantages that:

the invention can realize the whole production processes of automatic die opening, die closing, cleaning, part ejection and the like of the thermosetting composite material, and has high integration and high working efficiency.

The die opening and filling unit and the dust collecting device are separated, and the die pressing forming time is far longer than the cleaning time, so that the dies of five presses can be subjected to production operation through the automatic die opening and cleaning device, the utilization rate of equipment is improved, the labor intensity of workers is reduced, the workshop production environment is improved, and the effective utilization rate of workshop production is increased.

Drawings

FIGS. 1A and 1B are schematic structural views of the front and back sides of an automatic mold opening and closing and cleaning device for a thermosetting composite material molding die according to the present invention, respectively;

FIGS. 2A and 2B are schematic views of the front and back sides of a mold buffer stage according to the present invention;

FIG. 3 is a schematic structural view of a mold slide of the present invention;

FIG. 4 is a schematic structural view of an upper mold clamping device according to the present invention;

FIG. 5 is a schematic view of the construction of the lower mold clamping device of the present invention;

FIG. 6 is a schematic structural view of an upper platen lifting apparatus according to the present invention;

FIG. 7 is a schematic structural view of an ejector plate ejector device according to the present invention;

FIG. 8 is a schematic structural view of a feeding prompting device in the present invention;

FIG. 9 is a schematic view showing the construction of the dust collecting apparatus of the present invention;

FIG. 10 is a schematic diagram of a standard mold;

fig. 11 is a schematic diagram of an exploded structure of a standard mold.

In the figure:

1. a support; 100, a mold cache station;

101. a first cylinder; 102, lifting a guide rail; 103, floating guide rail 104, clamping guide rail; 105, a limit screw;

106. a gripper; 107, a floating limiting block; a first compression spring;

109. a second compression spring; a limit screw 110; a knuckle bearing; 112, a clamping cylinder;

113. adjusting the bolt;

200. a mold sliding table; a second cylinder 201; 202, a linear guide rail; a slide carriage;

300. a mold clamping device;

301. a third cylinder; a first drive rod 302; 303, a first link; 304. a first compression bar;

305. a first adjustment pad; a first bolt; 307, a fourth cylinder; 308. a second drive rod;

309. a second link; a second compression bar 310; a second spacer shim 311; 312. a second bolt;

400. an upper template lifting device;

401. an upper mold fixing plate; a pull rod 402; locking the cylinder 403;

404. opening a die lifting cylinder; 405, opening a large cylinder; 406. a support plate; 407, a hanger plate;

408. a containing groove;

500. an ejector plate ejection device; 501, ejecting a cylinder; 502, a mandril;

600. a feeding prompting device; a wiring groove 601; an indicator light; 603. a core magazine;

604. heating a rod; 605. material magazine; 606. a heat insulation plate;

700. a dust collection device; 701, a shield; a front lift gate; a post-blow nozzle;

704. a material sucking port; 705, dropping a limit rod; 707 front blowing nozzle; 708. a first conduit; 709, a dust collection box;

710. a second conduit; 711, rear lifting doors; 712, a base plate;

800. a standard mold; 801, upper template; 802. lower template; 803. a mold cavity; a thimble fixing plate 804;

805. a thimble; a first docking aperture 806; 807. a second docking aperture; and 808. lifting lugs.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The invention provides an automatic mold opening, closing and cleaning device for a thermosetting composite material mold pressing mold, as shown in fig. 1A and fig. 1B, comprising:

the mold buffer table 100 is arranged above a first mold station in front of the support and can clamp a forming mold placed in the first mold station;

a mold slide 200 slidably connected below the support and slidable between a first mold station and a second mold station, the mold slide 200 configured to transport a forming mold of the first mold station to the second mold station and transport the second mold station filler mold to the first mold station;

the mold clamping device 300 comprises an upper mold clamping device and a lower mold clamping device, the upper mold clamping device is used for clamping an upper mold plate of a filling mold or a forming mold placed at the second mold station, and the lower mold clamping device is used for clamping a lower mold plate of the filling mold or the forming mold placed at the second mold station;

an upper mold plate lifting device 400 connected to the upper mold plate of the molding mold placed at the second mold station and capable of lifting the upper mold plate to be separated from the lower mold plate;

the ejector plate ejection device 500 is arranged below the second mold station and can eject a formed part in the forming mold on the second mold station;

the feeding prompting device 600 comprises an indicator light, a core material box and a material box, and can indicate the row or the column of the core material box and the material box which need to be filled currently;

and the dust collecting device 700 is arranged around the second mold station to collect the filler and the dust generated when the formed part is ejected.

The invention can realize the whole production processes of automatic die opening, die closing, cleaning, part ejection and the like of the thermosetting composite material, and has high integration and high working efficiency. The die opening and filling unit and the dust collecting device are separated, and the die pressing forming time is far longer than the cleaning time, so that the dies of five presses can be subjected to production operation through the automatic die opening and cleaning device, the utilization rate of equipment is improved, the labor intensity of workers is reduced, the workshop production environment is improved, and the effective utilization rate of workshop production is increased.

As shown in fig. 2A and 2B, the mold cache station 100 includes:

the first air cylinder 101 is arranged on the fixed support, a piston rod is vertically and downwards connected with the clamping guide rail 104, and the clamping guide rail 4 can move up and down along the lifting guide rail 102 under the driving of the first air cylinder 101;

and the grippers 106 are slidably arranged at two ends of the clamping guide rail 104 and are connected with the output end of a clamping cylinder 112 arranged on the clamping guide rail 104, and the clamping cylinder 112 is configured to drive the grippers 106 to be separated and combined to clamp and release the mold.

Optionally, the mold cache station 100 comprises: a limit screw 105 connected to the clamp rail 104 and screwed from both ends of the clamp rail 104 to the middle;

a floating limiting block 107 connected to the hand grip 106 and opposite to the limiting screw 105;

and a first compression spring 108 connected to an outer side of the floating stopper 107 and opposed to the position of the stopper screw 105.

It should be noted that the diameter of the limit screw 105 is larger than the outer diameter of the first compression spring 108, so that the elastic force of the first compression spring 108 can be adjusted by adjusting the screwing distance of the limit screw 105, and the floating limit block 107 plays a role of buffering when compressing the first compression spring 108. Meanwhile, when the hand grip 106 grips the mold, the floating stopper 107 is stopped against the end surface of the stopper screw 105 by the first compression spring 108, so that the maximum sliding stroke of the hand grip 106 can be limited, and the hand grip 106 is prevented from slipping out of the clamping rail 104.

In order to avoid the influence of the repeated positioning precision of the mold conveying robot and ensure that the gripper 106 accurately grips the forming mold or the filling mold, the mold buffering table 100 is further designed with an error compensation function in the front and rear direction and the left and right direction. A floating guide 103 is arranged between the clamping guide 104 and the first cylinder 101, the clamping guide 104 is slidably connected to the floating guide 103, and the clamping guide 104 and the floating guide 103 are linear guides which are perpendicular to each other. An adjusting bolt 113 is connected to the rear surface of the floating guide rail 103, which is positioned behind the clamping guide rail 104, and is used for adjusting the front and rear positions of the clamping guide rail 104 on the floating guide rail 103, a limit screw 110 is connected to the front surface of the clamping guide rail 104 on the floating guide rail 103, a second compression spring 109 is arranged between the limit screw 110 and the floating guide rail 103, one end of the second compression spring 109 is abutted against the end surface of the floating guide rail 103, the adjusting bolt 113 can adjust the strength of the second compression spring 109 forward, the floating amount is controlled by the limit screw 110, and when the clamping guide rail 104 and the hand grip 106 are deviated forwards and backwards, the adjusting bolt can be reset through the spring force of the second compression spring 109. The left and right error compensation is realized through a gasket, a floating limit block 107 and a first compression spring 108, the magnitude of the spring force is adjusted by increasing the gasket, the size of the floating amount is adjusted by replacing the gasket contacted with the floating limit block 107, and the clamping guide rail 104 and the hand grip 106 are reset through the spring force when left and right deviation occurs.

Alternatively, the clamping rail 104 and the first cylinder 101 are connected through a joint bearing 111, when the floating rail 103 is provided, the joint bearing 111 is connected between the floating rail 103 and the first cylinder 101, and the position relation between the joint bearing 111 and the first cylinder 101 is adjusted, so that the clamping rail 104 and the hand grip 106 can be adjusted in the high-low position direction.

As shown in fig. 3, the mold slide 200 includes a second cylinder 201 fixed on the bracket; a linear guide 202 disposed on the bracket in parallel to a driving direction of the second cylinder 201; a slide carriage 203 which is slidably connected to the linear guide 202 and one end of which is connected with the output end of the second cylinder 201, wherein the second cylinder 201 can drive the slide carriage 203 to slide on the linear guide 202; the positioning pins 204 are connected with the die to accurately position the die.

Through second cylinder 201 as the power supply, carriage 203 can move along front and back linear guide 202, realizes forming die and the removal of filler mould between first mould station and second mould station, and wherein first mould station is also gets the mould station, and the second mould station is also the die sinking station. Further this mechanism may enable automatic docking with the mold cache station 100. After a mold conveying robot places a forming mold to be subjected to mold opening in a first mold station, the mold buffer table 100 picks up the forming mold, then the mold sliding table 200 conveys a filled filler mold to the first mold station, the mold conveying robot takes away the filler mold, then the mold buffer table 100 puts down the forming mold on a slide carriage 203 of the mold sliding table 200, the forming mold is conveyed to a second mold station by the mold sliding table 200, and the processes of mold opening, piece taking and filling are carried out.

As shown in fig. 4, the upper mold clamping device includes a third cylinder 301, and a cylinder body of the third cylinder 301 is mounted on an upper mold fixing plate 401; a first driving rod 302, the first end of which is rotatably connected with the output end of the third cylinder 301; the first driving rod 302 is rotatably connected with the bracket; a first link 303, a first end of which is rotatably connected to a second end of the first driving lever 302; the first pressure lever 304 is L-shaped, a first end of the top of the first pressure lever 304 is rotatably connected with the bracket, an inflection point position in the middle of the first pressure lever is rotatably connected with a second end of the first connecting rod 303, and the second end is a free end and is used for clamping an upper template of the forming mold or the filling mold; a first adjusting shim 305 is provided on the end surface of the free end and fixed by a first bolt 306.

The output piston of the third cylinder 301, the first driving rod 302, the first connecting rod 303 and the first pressing rod 304 form a four-bar linkage mechanism, the four-bar linkage mechanism is driven to operate in the horizontal direction by the third cylinder 301, and the 'dead point' of the four-bar linkage is used as the clamping position of the die. The first driving rod 302 rotates around the bracket to drive the first connecting rod 303 to move in a vertical plane, so as to drive the first pressing rod 304 to rotate at a fixed fulcrum, and clamping and releasing of the upper template of the mold are realized. By increasing or decreasing the number of first shims 305, it is possible to clamp the mold with the four-bar linkage near "dead center". The clamping point is located to the right of the center of rotation of the first compression bar 304 to ensure that the first bolt 306 does not interfere with the mold during operation.

As shown in fig. 5, the lower mold clamping device includes: a fourth cylinder 307, wherein the cylinder body of the fourth cylinder 307 is fixed on a bracket; a second driving rod 308, a first end of which is rotatably connected with the output end of the fourth cylinder 307; the second driving rod 302 is rotatably connected with the bracket; a second link 309, a second end of which is rotatably connected to a second end of the second driving rod 308;

the second pressure lever 310 is of a gamma type, a first end at the bottom is rotatably connected with the bracket, an inflection point position in the middle is rotatably connected with a second end of the second connecting rod 309, and a second end at the top is a free end and is used for clamping a lower template of the forming mold or the filling mold; and a second adjusting washer 311 provided on an end surface of the free end and fixed by a second bolt 312.

The lower die clamping device and the upper die clamping device have the same working principle, and the upper die plate and the lower die plate are clamped by adopting the movement of a four-bar mechanism in a vertical plane.

As shown in fig. 6, the upper plate lifting device 400 includes:

an upper mold fixing plate 401;

a pull rod 402 with a bottom end connected with the upper die fixing plate 401;

a mold opening large cylinder 405, a cylinder body of which is fixed on a hanging plate 407, a piston rod of which is fixedly connected with the top of the pull rod 402, and the mold opening large cylinder 405 is configured to lift the upper mold fixing plate 401 upwards through the pull rod 402 to separate the upper mold plate and the lower mold plate;

the mould opening lifting cylinder 404 is characterized in that a cylinder body is fixed on a supporting plate 406, a piston rod is connected with the hanging plate 407, the supporting plate 406 is arranged between the hanging plate 407 and the upper mould fixing plate 401 and is fixed on the bracket, and the pull rod 402 passes through a through hole in the supporting plate 406 and is connected with the piston rod of the mould opening large cylinder 405; the support plate 406 is provided with a slide rail, and the hanger plate 407 can slide up and down along the slide rail.

Considering that the adhesive force between the upper template and the lower template is too large at the moment of mold opening of the mold, the upper template lifting device 400 pulls the upper mold fixing plate 401 to ascend through the combined structure of the large mold opening cylinder 405 and the mold opening lifting cylinder 404, so as to realize automatic mold opening of the mold. In the working process, the piston rod of the large mold opening cylinder 405 contracts to separate the upper mold plate and the lower mold plate of the mold, then the mold opening lifting cylinder 404 drives the hanging plate 407 to ascend, and simultaneously drives the large mold opening cylinder 405 to ascend, and meanwhile, the pull rod drives the upper mold fixing plate 401 to ascend.

Furthermore, the invention also designs a locking device which can prevent sudden pressure drop and the lower template automatically slides downwards by gravity to cause accidents. As shown in fig. 6, the locking device includes a dead-locking cylinder 403 and a receiving groove 408, the dead-locking cylinder 403 is fixed on the lower surface of the supporting plate 406, the receiving groove 408 is fixed on the upper surface of the upper mold fixing plate 401, and when the upper mold fixing plate 401 is lifted to a proper position, a piston rod of the dead-locking cylinder 403 extends out and is located in the receiving groove 408, so as to achieve locking.

As shown in fig. 7, the ejector plate ejection device 500 includes an ejection cylinder 501 fixed on the bracket and located below the mold slide 200; the bottom end of the ejector rod 502 is fixed at the output end of the ejection cylinder 501, and the top end of the ejector rod 502 penetrates through the through hole in the slide carriage 203 and is opposite to the through hole in the lower template. The ejector plate ejection device 500 pushes an ejector rod 502 through an ejection cylinder 501, and the ejector rod 502 penetrates through holes in the slide carriage 203 and sequentially penetrates through bottom plate holes in a lower mold plate of the mold to push an ejector pin fixing plate in the mold, so that ejection of parts in a mold cavity of the mold is realized.

As shown in fig. 8, the loading hinting apparatus 600 includes a core magazine in which a mold core is placed and a material magazine of a material required for product molding. In this embodiment, seven indicator lights 602 are provided, one core magazine 603 and material magazine 605 under each indicator light 602. During the material loading, the indicator lamp 602 can correspondingly light up corresponding indicator lamps according to the information of the mold, and an operator carries out the loading of the mold core and the material according to the prompt of the indicator lamp 602, so that the smooth production of the product is ensured. This material loading suggestion device 600 still includes heating rod 604, heats through wire and power connection in trough 601, can guarantee that the material is in to keep warm between 50 to 100 ℃ and preheats. Insulation plate 606 surrounds core magazine 603 and material magazine 605 to prevent heat conduction loss.

As shown in fig. 9, the dust collecting device 700 includes: a shield 701 enclosing the mold buffering table 100, the mold sliding table 200, the mold clamping device 300 and the upper mold plate lifting device 400, and forming a closed working room together with the support; the front and rear side surfaces of the shield 701 are respectively provided with a front lifting door 702 and a rear lifting door 711; a blowing nozzle provided inside the shield 701 and located opposite to the suction port 704 on the bottom plate 712 of the shield 701; a dust box 709 connected to the fan 706 via a first conduit 708, the fan 706 being configured to provide negative pressure power; the material suction port 704 is communicated with the integrated tank 709 through a second pipeline 710; the falling limiting rod 705 is closed in place when the mold is closed, the locating pin faces upwards, the falling limiting rod is used for only limiting the descending upper mold fixing plate 401, and the phenomenon that the upper mold fixing plate 401 drives the upper mold of the mold closing mold to compress raw materials in the mold cavity is avoided.

After the mold is opened and cleaned, waste material remains on the bottom plate 712, so that four material suction ports 704 are formed on the bottom plate 712 and distributed on two sides of the mold in the open position. The periphery is surrounded by a shield 701 to prevent the waste from diffusing outwards. Meanwhile, the front lifting door 702 and the rear lifting door 711 are arranged in the front-rear direction of the shield 701, so that the requirements of workpiece circulation and operation are met. The fan 706 is in communication with the dust bin 709 via a first conduit 708 to provide negative pressure power. A filter is installed in the dust collecting box 709 to retain the waste in the dust collecting box 709, thereby completing dust removal. In operation, the front lifting door 702 and the rear lifting door 711 are both lowered into position while the blowing nozzles, including the front blowing nozzle 707 and the rear blowing nozzle 703, blow the waste material towards the suction port 704. Meanwhile, the fan 706 operates to generate negative pressure at the material suction port 704 to suck away the waste material, and the waste material enters the dust collection box 709 through the second pipeline 710 and is left inside. After a certain amount is reached, the dust box 709 needs to be opened by an operator to clean the internal waste.

The dust collecting device 700 further comprises a falling limiting rod 705 which is arranged in the shield 701, when the die is cleaned and materials are fed, the falling limiting rod 705 swings to a limiting state, the die is limited during die assembly, and the materials are prevented from being compressed under an unheated state to damage a top rod component in the die.

As shown in fig. 10 and 11, a standard mold 800 is used for both the forming mold and the filling mold, the standard mold 800 includes an upper mold plate 801 and a lower mold plate 802, the upper mold plate 801 and the lower mold plate 802 form a forming cavity 803 in combination, an ejector pin fixing plate 804 is arranged in the forming cavity 803, and an ejector pin 805 is arranged on the ejector pin fixing plate 804; the side surface of the lower template 802 is provided with a first butt joint hole 806 and a second butt joint hole 807, and the first butt joint hole 806 is matched with a gripper of the mold transportation robot to realize grabbing transportation; the second docking hole 807 is matched with the gripper 106 on the mold buffer table 100 to realize gripping; the edges of the upper template 801 and the lower template 802 protrude out of the cavity 803 to form lifting lugs 808, and the lifting lugs are matched with the mold clamping device 300 to clamp the standard mold 800.

According to the invention, through the reasonable design of the product cavity 803, a part which is subjected to mould pressing can be controlled to stay on a lower mould after mould opening, and a thimble fixing plate 804 and a thimble 805 are further designed below the cavity 803, so that the part can be matched with an ejection mechanism of a mould opening machine, and automatic ejection of the part in the cavity 803 is realized; in addition, a mold identification code 809 is installed on the side surface of the mold cavity 803, the identification code 809 is divided into a bar code (equipment identification) and a product code (human identification), and when the mold is loaded, the mold code is scanned by a code scanning gun and is input into the system. During automatic production, the system calls corresponding die parameters according to the product number, and sends the die parameters to the press to carry out die pressing automatic production.

s2, the mould buffer table 100 grabs the forming mould and waits;

s3, the mould sliding table 200 conveys the filling mould on the second mould station to the first mould station and takes the filling mould away by the mould conveying robot; then the die cushion table 100 places the forming die on the die slide table 200 of the first die station;

s4, the mould sliding table 200 transports the forming mould from the first mould station to the second mould station;

s5, clamping the upper template and the lower template of the forming mold by the mold clamping device 300;

s6, starting the die sinking large cylinder 405 by the upper die plate lifting device 400 to separate the upper die plate from the lower die plate; then, a lifting cylinder 404 is started to lift the upper template to the position; a piston rod of the locking cylinder 403 extends out of the accommodating groove 408 to realize locking;

s7, ejecting the parts in the cavity 803 by the ejector plate ejecting device 500;

s8, filling the empty cavity 803 according to the instruction of the feeding prompting device 600; the piston rod of the locking cylinder 403 is contracted and unlocked, and the upper template lifting device 400 descends to enable the upper template to cover the lower template to form a filling mold;

s9, the mold clamping device 300 releases the clamping force, and the mold slide 200 transports the filler mold to the first mold station to be taken away by the mold transport robot.

The method is described in detail below by way of examples without and with product molds.

Example 1, no product mold execution flow:

(1) the mold transport robot carries the mold 1 to a waiting position (first mold station) beside the mold opening machine for waiting, and gives an in-position signal 1 to the mold opening machine.

(2) After the mold opener has production conditions, the mold opener is adjusted to an automatic state, after the operation button is clicked, the rear lifting door 711 is lifted, and the mold sliding table 200 moves to a mold receiving position (namely, a robot waiting position beside the mold opener, which is also a first mold station).

(3) The mold conveying robot releases the clamping jaw, and places the mold 1 on the mold slide 200.

(4) The mold transfer robot is manually signaled (i.e., the operation button is clicked again), the mold slide 200 returns to the mold opening position (i.e., the second mold station of the present invention), and the mold transfer robot moves to the mold preheating station to clamp the mold 2.

(5) The mold transport robot carries the mold 2 to a waiting position beside the mold opening machine for waiting, and gives an in-position signal 1 to the mold opening machine.

(6) The mold buffer table 100 descends to the right position and clamps the mold 2, the mold transport robot releases the clamping jaw, and the mold buffer table ascends. The robot waits in-situ.

(7) In synchronization with the step (5), the mold opening large cylinder 405 and the mold opening frame lifting cylinder 404 move simultaneously to lower the upper mold fixing plate 401 to the mold opening position.

(8) The upper and lower mold clamping devices clamp the molding die 1.

(9) The mold opening large cylinder 405 and the mold opening frame lifting cylinder 404 move simultaneously to lift the upper mold fixing plate 401 in place.

(10) The front lift gate 711 is raised, the worker cleans the mold 1 and feeds, and the lower stop lever 705 is swung in place.

(11) After the feeding is finished, a reset button and an operation button are manually clicked, after the front lifting door 711 descends to the right position, the die opening large cylinder 405 and the die opening frame lifting cylinder 404 move simultaneously, and the upper die fixing plate 401 descends to a material releasing position.

(12) The upper and lower mold clamping devices loosen the mold 1.

(13) The mold opening large cylinder 405 and the mold opening frame lifting cylinder 404 move simultaneously to lift the upper mold fixing plate 401 in place.

(14) The mold slide 200 moves to the mold receiving position (i.e., the robot waiting position beside the mold opener)

(15) And (4) clamping and moving the loaded die 1 to a press by the die conveying robot after the step (6) is completed, and heating and pressurizing for molding.

(16) The mold buffer table 100 is lowered into position and releases the mold 2 and then raised into position.

(17) And (5) the mould sliding table 200 drives the mould 2 to return to the mould opening position, and the steps (7) to (14) are repeated to finish the feeding action of the mould 2.

(18) After the mould transport robot finishes the step (15), immediately moving the mould 1 to a mould preheating station, clamping the mould 3,

(19) and (5) repeating the steps (5) and (6), finishing the action of moving the mold 3 to the mold buffer table 100, and waiting the mold transport robot in situ.

(20) And (5) repeating the steps (7) to (15) to finish the actions of feeding, heating and pressurizing the mould 2.

(21) And continuously repeating the actions until all the presses have the molds for heating and pressurizing for molding.

Example 2 mold opening procedure with product:

(1) the mold slide 200 moves to the mold opening position and the rear lift gate 702 descends to the proper position.

(2) The mold opening large cylinder 405 and the mold opening frame lifting cylinder 404 move simultaneously to lower the upper mold fixing plate 401 to the mold opening position.

(3) The upper die clamping device and the lower die clamping device clamp the die.

(4) After the mold opening large cylinder 405 moves in place, the mold opening frame lifting cylinder 404 moves again to lift the upper mold fixing plate 401 in place.

(5) The ejection cylinder 501 extends out to eject the product out of the mold.

(6) The front lift gate 711 is raised, the worker takes the product out and cleans the mold, and the drop stop 705 is swung into place.

(7) After the front lifting door 711 is lowered to the proper position, the blowing nozzles, including the rear blowing nozzle 703 and the front blowing nozzle 707, simultaneously blow air to blow the waste material falling off the mold to the vicinity of the material suction port 704.

(8) The fan 706 operates to suck the waste material through the second duct 710, filter it for deposition in the dust bin 709, and wait for the robot to give a feeding signal 2.

(9) After the mold opening machine obtains the feeding signal, the feeding prompt device 600 prompts on the screen that the feeding is completed.

(10) The mold transport robot moves the mold of the molded product to the mold opening machine, and the mold buffering table 100 performs buffering.

(11) The rear lift gate 702 is raised and the mold slide 200 is moved to the mold receiving position (i.e., the robot waiting position beside the mold opener).

(12) The robot moves the mold with the loaded material to a press for heating and pressing molding, and the mold opening machine opens the mold on the mold buffer table 100.

While the invention has been described in connection with specific preferred embodiments thereof, it will be understood that the invention is not limited thereto, and that various modifications and changes in form and detail thereof may be made by those skilled in the art without departing from the spirit of the invention.

Claims

1. Automatic compound die and cleaning device that open and shut of thermosetting combined material molding die, its characterized in that includes:

the mould buffer storage table (100) is arranged above a first mould station in front of the support and can clamp a forming mould placed in the first mould station;

a mold slide (200) slidably connected below the support and slidable between a first mold station and a second mold station, the mold slide (200) configured to transport a forming mold of the first mold station to the second mold station and to transport the second mold station filler mold to the first mold station;

the die clamping device (300) comprises an upper die clamping device and a lower die clamping device, the upper die clamping device is used for clamping an upper die plate of a filling die or a forming die placed on the second die station, and the lower die clamping device is used for clamping a lower die plate of the filling die or the forming die placed on the second die station;

the upper template lifting device (400) is connected with an upper template of the forming mold placed at the second mold station and can pull up the upper template to be separated from the lower template;

the ejector plate ejection device (500) is arranged below the second mould station and can eject the formed part in the forming mould on the second mould station;

the feeding prompting device (600) comprises an indicator light, a core material box and a material box, and can indicate the row or the column of the core material box and the material box which need to be filled currently;

the dust collecting device (700) is arranged around the second mould station in a surrounding mode and is used for collecting the filler and dust generated when the formed part is ejected;

the mold cache table (100) comprises:

the first air cylinder (101) is arranged on the fixed support, a piston rod is vertically and downwards connected with the clamping guide rail (104), and the clamping guide rail (104) can move up and down along the lifting guide rail (102) through the driving of the first air cylinder (101);

a floating guide rail (103) is arranged between the clamping guide rail (104) and the first air cylinder (101), the clamping guide rail (104) is connected to the floating guide rail (103) in a sliding manner, and the clamping guide rail (104) and the floating guide rail (103) are linear guide rails which are perpendicular to each other; an adjusting bolt (113) is connected to the floating guide rail (103) and positioned behind the clamping guide rail (104); a second limiting screw (110) is connected to the floating guide rail (103) in front of the clamping guide rail (104), and a second compression spring (109) is arranged between the second limiting screw (110) and the floating guide rail (103);

the clamping device comprises grippers (106) which are slidably mounted at two ends of a clamping guide rail (104) and connected with the output end of a clamping cylinder (112) arranged on the clamping guide rail (104), wherein the clamping cylinder (112) is configured to drive the grippers (106) to be separated and combined so as to clamp and release the mold;

a first limit screw (105) which is connected to the clamping guide rail (104) and screwed in from both ends of the clamping guide rail (104) to the middle;

a floating limiting block (107) which is connected to the gripper (106) and is opposite to the first limiting screw (105);

a first compression spring (108) connected to the outer side of the floating stopper (107) and opposed to the first stopper screw (105);

the upper mold clamping device includes:

a third cylinder (301), wherein the cylinder body of the third cylinder (301) is arranged on the upper die fixing plate (401);

a first driving rod (302), wherein the first end of the first driving rod is rotatably connected with the output end of the third cylinder (301); the first driving rod (302) is rotationally connected with the bracket;

a first connecting rod (303), the first end of which is rotatably connected with the second end of the first driving rod (302);

the first pressure lever (304) is L-shaped, a first end of the top of the first pressure lever is rotatably connected with the support, an inflection point in the middle of the first pressure lever is rotatably connected with a second end of the first connecting rod (303), and the second end of the first pressure lever is a free end and is used for clamping an upper template of the forming mold or the filling mold;

a first adjusting shim (305) which is arranged on the end surface of the free end and is fixed by a first bolt (306);

the lower mold clamping device includes:

a fourth cylinder (307), wherein the cylinder body of the fourth cylinder (307) is fixed on a bracket;

a second driving rod (308), wherein the first end of the second driving rod is rotatably connected with the output end of the fourth air cylinder (307); the second driving rod (308) is rotationally connected with the bracket;

a second link (309) having a second end rotatably connected to a second end of the second drive rod (308);

the second pressure lever (310) is of a gamma type, a first end at the bottom is rotatably connected with the bracket, an inflection point position in the middle is rotatably connected with a second end of the second connecting rod (309), and a second end at the top is a free end and is used for clamping a lower template of the forming mold or the filling mold;

and a second adjusting shim (311) which is arranged on the end surface of the free end and is fixed through a second bolt (312).

2. The apparatus for automatically opening, closing and cleaning a thermosetting composite molding press according to claim 1, wherein the mold slide (200) comprises:

the second cylinder (201) is fixed on the bracket;

the linear guide rail (202) is arranged on the bracket and is parallel to the driving direction of the second air cylinder (201);

the slide carriage (203) is connected to the linear guide rail (202) in a sliding mode, one end of the slide carriage is connected with the output end of the second air cylinder (201), and the second air cylinder (201) can drive the slide carriage (203) to slide on the linear guide rail (202).

3. The apparatus for automatically opening and closing and cleaning thermoset composite molding dies according to claim 1, wherein the cope plate lifting apparatus (400) comprises:

an upper mold fixing plate (401);

the bottom end of the pull rod (402) is connected with an upper die fixing plate (401);

a mold opening large cylinder (405), wherein the cylinder body is fixed on a hanging plate (407), a piston rod is fixedly connected with the top of the pull rod (402), and the mold opening large cylinder (405) is configured to lift the upper mold fixing plate (401) upwards through the pull rod (402) so as to separate the upper mold plate and the lower mold plate;

the mould opening lifting cylinder (404) is fixed on a support plate (406), a piston rod is connected with the hanging plate (407), the support plate (406) is arranged between the hanging plate (407) and the upper mould fixing plate (401) and is fixed on the bracket, and the pull rod (402) penetrates through a through hole in the support plate (406) and is connected with the piston rod of the mould opening large cylinder (405); the supporting plate (406) is provided with a slide rail, and the hanging plate (407) can slide up and down along the slide rail.

4. The apparatus for automatically opening, closing and cleaning a thermosetting composite molding press according to claim 1, wherein the ejector plate ejector (500) comprises:

the ejection cylinder (501) is fixed on the bracket and is positioned below the die sliding table (200);

the bottom end of the ejector rod (502) is fixed at the output end of the ejection cylinder (501), and the top end of the ejector rod (502) penetrates through a through hole in the slide carriage (203) to be opposite to the through hole in the lower template.

5. The apparatus for automatically opening and closing and cleaning thermoset composite molding dies according to claim 1 wherein the dust collection apparatus (700) comprises:

the protective cover (701) encloses the mould buffer table (100), the mould sliding table (200), the mould clamping device (300) and the upper template lifting device (400) and forms a closed working room together with the support; the front side and the rear side of the shield (701) are respectively provided with a front lifting door (702) and a rear lifting door (711);

the blowing nozzle is arranged inside the shield (701) and is opposite to the position of the suction port (704) on the bottom plate (712) of the shield (701);

a dust bin (709) connected to a fan (706) via a first conduit (708), the fan (706) configured to provide negative pressure power; the material suction port (704) is communicated with the dust collection box (709) through a second pipeline (710).

6. The automatic mold opening, closing and cleaning device for the thermosetting composite material molding mold according to claim 1, wherein the forming mold and the filling mold are standard molds (800), the standard molds (800) comprise an upper mold plate (801) and a lower mold plate (802), the upper mold plate (801) and the lower mold plate (802) are combined to form a molding cavity (803), an ejector fixing plate (804) is arranged in the molding cavity (803), and an ejector pin (805) is arranged on the ejector fixing plate (804);

the side surface of the lower template (802) is provided with a first butt joint hole (806) and a second butt joint hole (807), and the first butt joint hole (806) is matched with a gripper of the mold transport robot to realize grabbing transportation; the second butt joint hole (807) is matched with a gripper (106) on the mould buffer table (100) to realize grabbing; edges of the upper template (801) and the lower template (802) protrude out of the cavity (803) to form lifting lugs (808), and the lifting lugs are matched with the mold clamping device (300) to clamp the standard mold (800).

7. An automatic mold opening and closing and cleaning method for a thermosetting composite material mold pressing mold is characterized by comprising the following steps:

s2, the mould buffer table (100) grabs the forming mould and waits;

s3, the mould sliding table (200) conveys the filling mould on the second mould station to the first mould station and takes the filling mould away by the mould conveying robot; then the mould buffering table (100) places the forming mould on a mould sliding table (200) of the first mould station;

s4, conveying the forming die from the first die station to the second die station by the die sliding table (200);

s5, clamping an upper template and a lower template of the forming mold by a mold clamping device (300);

s6, starting a die sinking large cylinder (405) by an upper die plate lifting device (400) to separate the upper die plate from the lower die plate; then starting a lifting cylinder (404) to lift the upper template to the position; a piston rod of the locking cylinder (403) extends out of the accommodating groove (408) to realize locking;

s7, the ejector plate ejection device (500) ejects the parts in the cavity (803);

s8, filling the empty cavity (803) according to the instruction of the feeding prompting device (600); the piston rod of the locking cylinder (403) is contracted and unlocked, and the upper template lifting device (400) descends to enable the upper template to cover the lower template to form a filling mold;

s9, releasing the clamping force by the mold clamping device (300), and transporting the filler mold to a first mold station by the mold sliding table (200) and taking away the filler mold by the mold transporting robot.