CN212472365U - Automatic mold opening device for mold - Google Patents

Abstract

An automatic mold opening device comprises a machine table unit, a guide rail unit with two rails, a carrying unit comprising a carrier, and a mold unit which is arranged on the carrier and comprises a lower mold, an upper mold, at least one upper hook piece pivoted on the upper mold and a guide piece. When the carrier drives the mold unit to move to the loading position and the upper mold is in the mold closing position, the upper hook piece is located at the upper buckling position. When the carrier carries the mould unit to move from the loading position to the unloading position, the guide piece is guided by the track to drive the upper hook piece to rotate from the upper buckling position to the unbuckling position. When the carrier drives the die unit to move to the carrying-out position, the guide piece is guided by the track to drive the upper hook piece to drive the upper die to rotate to the die opening position. The manual work can be saved in the operation, promotes the operating efficiency.

Description

Automatic mold opening device for mold

Technical Field

The utility model relates to a mold opening device especially relates to an automatic mold opening device of mould.

Background

As shown in fig. 1, a conventional foam cooling forming machine (the utility model of the common people's republic of china utility model No. CN 205685613U) comprises a frame 1, a vulcanization heating device 2 disposed in the frame 1, a cooling device 3 disposed in the frame 1, a first feeding device 4 disposed in the frame 1, and a second feeding device 5 disposed in the frame 1, wherein the first feeding device 4 comprises a pallet 401 capable of ascending and descending up and down, two mold sliding rails 402 (only one is shown in fig. 1) disposed on the top surface of the pallet 401, and a pushing mechanism 403 disposed on the pallet 401, the second feeding device 5 comprises a pallet 501 capable of ascending and descending up and down, two mold sliding rails 502 disposed on the top surface of the pallet 501, and a pushing mechanism 503 disposed on the pallet 501, whereby although the first feeding device 4 and the second feeding device 5 can be used to circulate two molds 6 between the vulcanization heating device 2 and the cooling device 3 After the forming operation is completed, the pushing mechanism 403 is used to pull one of the corresponding molds 6 out of the cooling device 3, however, in this forming machine, a fastener 601 of one of the molds 6 must be manually unfastened to open the one of the molds 6, so as to take out the EVA shoe sole product in one of the molds 6, and then, after an operator places a new EVA forming material into one of the molds 6 again, the operator manually closes one of the molds 6 and fastens the fastener 601 of one of the molds 6, so as to perform the next forming operation again.

Disclosure of Invention

Therefore, an object of the present invention is to provide an automatic mold opening device capable of overcoming at least one of the disadvantages of the prior art.

Therefore, the utility model discloses automatic mold opening device of mould contains board unit, guide rail unit, transport unit, and the mould unit.

The guide rail unit is arranged on the machine table unit and is provided with two rails which are oppositely arranged in the left and right directions.

The carrying unit is arranged on the machine table unit and comprises a carrier.

The mould unit is arranged on the carrier, the carrier is used for driving the mould unit to move between a loading-out position adjacent to the guide rail unit and a loading-in position far away from the guide rail unit relative to the machine table unit along the front-back direction, the mould unit comprises a lower mould, an upper mould pivoted on the lower mould, at least one upper hook pivoted on the upper mould, and a guide piece arranged on the upper hook, the lower mould is provided with a lower mould parting surface and at least one mould closing limiting surface, the upper mould is provided with an upper mould parting surface, a back surface opposite to the upper mould parting surface, and a stop surface, the upper mould can rotate between a mould closing position where the upper mould parting surface and the lower mould parting surface are mutually contacted and a mould opening position where the upper mould parting surface and the lower mould parting surface are mutually far away relative to the lower mould, the upper hook does not exceed the back surface, and the upper hook is provided with a pivoting part pivoted with the upper mould, and a hook portion extending from the pivot portion, the pivot portion having an unlatching positioning surface and an engaging positioning surface, the engaging portion being capable of rotating between an unlatching position and an engaging position with respect to the upper mold, the unlatching positioning surface contacting the stop surface when the engaging portion is in the unlatching position, the engaging positioning surface contacting the stop surface when the engaging portion is in the engaging position, the guide member being disposed at the pivot portion of the engaging portion and having two guide portions spaced apart from each other in the left-right direction and respectively corresponding to the rails, each guide portion contacting the respective rail when the carrier carries the mold unit to the unloading position, each guide portion disengaging the respective rail when the carrier carries the mold unit to the loading position, wherein when the carrier carries the mold unit to the loading position and the upper mold is in the mold closing position, the upper hook piece is located at the upper buckling position, the hook portion of the upper hook piece is lower than the die assembly limiting surface and is adjacent to the die assembly limiting surface, when the carrier drives the die unit to move from the loading position to the unloading position, the guide piece drives the upper hook piece to rotate from the upper buckling position to the unlocking position, when the carrier drives the die unit to move to the unloading position, the guide piece drives the upper hook piece to drive the upper die to rotate to the die opening position, the upper hook piece is kept at the unlocking position, and the hook portion of the upper hook piece is far away from the die assembly limiting surface.

The utility model discloses automatic mold opening device of mould, the lower mould still has and is located the inclined plane of leading of spacing face top of compound die, lead the inclined plane down and slope forward, work as go up the mould court when the compound die position rotates, go up the portion of colluding that colludes with lead the inclined plane contact, lead the inclined plane guide go up collude the piece and rotate extremely go up the knot position.

The utility model discloses an automatic mold opening device of mold, the mold unit includes two upper hook pieces pivoted on the upper mold at intervals in the left and right direction, the lower mold includes a lower mold body, and a lower hook plate arranged at the front end of the lower mold body, the lower mold body has the lower film separating surface, the lower hook plate has two mold closing limiting surfaces arranged at intervals in the left and right direction, and the guide inclined surface, the lower hook plate is formed with two clamping grooves respectively corresponding to the mold closing limiting surfaces, each mold closing limiting surface defines the top side of the respective clamping groove, when the carrier drives the mold unit to move to the loading position and the upper mold is in the mold closing position, each upper hook piece is located the upper buckle position, and the hook part of each upper hook piece is embedded into the respective clamping groove, when the carrier drives the mold unit to move from the loading position to the unloading position, the guide piece drives each upper hook piece to rotate from the upper buckling position to the unlocking position, and the hook part of each upper hook piece is separated from the corresponding clamping groove.

The utility model discloses automatic mold opening device of mould, go up the mould and include the die body, and set up in go up the pivot ear seat of die body front end, it has to go up the die body go up the die parting face, reach the back, the pivot ear seat has the stop face, on each collude the pin joint portion of piece with pivot ear seat pin joint, guide still has the edge control the direction extend and set up in go up the pole portion of the pin joint portion of colluding the piece, guide part do not set up in the both ends of pole portion.

The utility model discloses automatic mold opening device of mould, the guide rail unit includes two set up relatively in the left and right sides direction in the guide rail board of board unit, each guide rail board has respective track.

The utility model discloses an automatic mold opening device of mold, the carrying unit also includes the workstation that can be movably arranged in the board unit along the up-down direction, the workstation driver that is arranged in the board unit and is used for driving the workstation to move along the up-down direction, and the carrier driving module that is arranged in the workstation and is used for driving the carrier to move along the front-back direction, the carrier driving module has two racks that are arranged in the left-right direction at intervals and are movably arranged in the workstation along the front-back direction, the motor that is arranged in the workstation, the transmission shaft that extends along the left-right direction and is rotatably arranged in the workstation, and two driven gears that are respectively arranged at two ends of the transmission shaft and are respectively engaged with the racks, the motor has an output shaft, and a driving gear that is arranged at the output shaft and is engaged with one of the driven gears, the carrier is arranged on the rack.

The utility model has the advantages that: the utility model discloses utilize the guide rail unit the cooperation of transport unit the design of mould unit will the mould unit is from the in-process that the cooling space of cold and hot make-up machine was removed, the guide rail unit via the guide can be earlier with go up and collude an automatic unbuckle, then drive go up the mould automatic rotation extremely the die sinking position, moreover, the utility model discloses a mould unit utilizes go up and collude a cooperation the design of guide the mould unit is by the in-process of hot pressing automatic compound die, it can detain on the automation to go up to collude a meeting, and will the mould unit is spacing at the state of compound die, the utility model discloses can save the manual work in the operation, promote the operating efficiency.

Drawings

FIG. 1 is a perspective view of a conventional foam cooling molding machine;

fig. 2 is a perspective view of the cold-hot forming machine in cooperation with an embodiment of the automatic mold opening device of the present invention;

FIG. 3 is an assembled sectional view of the embodiment and the cold-hot molding machine;

fig. 4 is a perspective view of the embodiment, illustrating a carrier of a carrying unit of the embodiment in a carry-out position and an upper mold of a mold unit of the embodiment in a mold-open position;

FIG. 5 is a view similar to FIG. 4, illustrating the carrier in a load position and the upper mold in a closed position;

FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 4;

FIG. 7 is a partially exploded perspective view of the mold unit and two EVA molding materials, illustrating the upper mold in the open position;

FIG. 8 is a cross-sectional view of the mold unit illustrating the upper mold in the unclamped position and an upper hook of the mold unit in the unclamped position;

FIG. 9 is a view similar to FIG. 8, illustrating the upper mold in the closed position with the upper hook member in the buckled position;

FIG. 10 is a schematic transfer actuation illustrating the carrier in the load position and the upper mold in the open position;

fig. 11 is a view similar to fig. 10, illustrating the carrying unit carrying the mold unit into the heating space of a frame unit of the cold-hot molding machine;

FIG. 12 is a view similar to FIG. 11 illustrating the mold unit beginning to be hot pressed;

FIG. 13 is an enlarged view of the mold unit of FIG. 12;

FIG. 14 is a view similar to FIG. 12, illustrating the mold unit continuing to be hot pressed;

FIG. 15 is an enlarged view of the mold unit of FIG. 14;

FIG. 16 is a view similar to FIG. 14, illustrating the mold unit being hot pressed until the upper mold is rotated to the closed position and the upper hook is automatically rotated to the latched position;

FIG. 17 is an enlarged view of the mold unit of FIG. 16, illustrating the upper mold in the closed position and the upper hook member in the latched position;

fig. 18 is a view similar to fig. 16, illustrating the carrying unit of the cold-hot molding machine carrying the mold unit into the cooling space of the rack unit;

FIG. 19 is a view similar to FIG. 18, illustrating the die unit being cold pressed;

FIG. 20 is a view similar to FIG. 19, illustrating the carrier with the mold units moving from the load position toward the unload position, the upper hook rotating from the upper buckled position to the unbuckled position;

FIG. 21 is an enlarged view of the mold unit of FIG. 20, illustrating the upper hook member in the tripped position;

FIG. 22 is a view similar to FIG. 20, illustrating the carrier with the mold units moved toward the load position and the upper mold being lifted toward the unclamp position;

FIG. 23 is an enlarged view of the mold unit of FIG. 22 illustrating the upper mold being lifted toward the unclamped position;

FIG. 24 is a view similar to FIG. 7 illustrating a variation of the mold unit;

fig. 25 is a cross-sectional view of the modification, illustrating the upper mold in the mold clamping position and the upper hook in the upper fastening position.

Detailed Description

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

Referring to fig. 2, 3 and 4, in an embodiment of the automatic mold opening device 100 of the present invention, the automatic mold opening device 100 includes a machine unit 10, a guide rail unit 20, a carrying unit 30, and a mold unit 40, in this embodiment, the automatic mold opening device 100 can be used with a cold and hot forming machine 200, the cold and hot forming machine 200 includes a frame unit 210, a heating unit 220, a cooling unit 230, and a carrying unit 240, the frame unit 210 includes a heating space 211, and a cooling space 212 lower than the heating space 211 in the up-and-down direction, the heating unit 220 includes an upper hot platen 221 located in the heating space 211, a lower hot platen 222 located in the heating space 211, and a hot platen driver 223 disposed on the frame unit 210, the hot platen driver 223 is used to drive the upper hot platen 221 to move in the up-and-down direction, the cooling unit 230 includes an upper cold plate 231 located in the cooling space 212, a lower cold plate 232 located in the cooling space 212, and a cold plate driver 233 disposed on the frame unit 210, the cold plate driver 233 is used for driving the lower cold plate 232 to move in the up-down direction, the structure of the carrying unit 240 is the same as that of the carrying unit 30, please refer to the description of the carrying unit 30 below, and the description will not be repeated here.

As shown in fig. 3, 4 and 5, the machine unit 10 is connected to the rack unit 210.

As shown in fig. 4, 5, and 6, the guide rail unit 20 is disposed on the machine unit 10, and includes two guide rail plates 21 disposed on the machine unit 10 in a left-right direction, each guide rail plate 21 has a rail 211, and the rails of the guide rail plates 21 are disposed in the left-right direction.

The carrying unit 30 is disposed on the machine unit 10, and includes a working platform 31 movably disposed on the machine unit 10 along the up-down direction, a working platform driver 32 disposed on the machine unit 10 and used for driving the working platform 31 to move along the up-down direction, a carrier 33, and a carrier driving module 34 disposed on the working platform 31 and used for driving the carrier 33 to move along the front-back direction.

The carrier 33 is used for driving the mold unit 40 to move along the front-back direction relative to the machine unit 10 between a loading position (see fig. 4) adjacent to the guide rail unit 20 and a loading position (see fig. 5) away from the guide rail unit 20.

The carrier driving module 34 has two racks 35 spaced in the left-right direction and movably disposed on the worktable 31 in the front-back direction, a motor 36 disposed on the worktable 31, a transmission shaft 37 extending in the left-right direction and rotatably disposed on the worktable 31, and two driven gears 38 disposed at two ends of the transmission shaft 37 and respectively engaged with the racks 35, the motor 36 having an output shaft 361, and a driving gear 362 disposed on the output shaft 361 and engaged with one of the driven gears 38.

In the present embodiment, the carrier 33 is detachably disposed on the rack 35, and the carrier driving module 34 can drive the carrier 33 with the mold unit 40 to move between the unloading position (see fig. 4) and the loading position (see fig. 5).

As shown in fig. 7, 8 and 9, the mold unit 40 is detachably disposed on the carrier 33 (see fig. 4), and includes a lower mold 41, an upper mold 42 pivoted to the lower mold 41, two upper hooks 43 pivoted to the upper mold 42 at intervals in the left-right direction, and a guide 44 disposed on the upper hooks 43.

In the present embodiment, the lower mold 41 includes a lower mold body 45 and a lower hook plate 46 disposed at the front end of the lower mold body 45.

The lower mold body 45 has a lower film-separating surface 451, and two molding cavities 452 are formed in the lower film-separating surface 451.

The lower hook plate 46 has two mold clamping limiting surfaces 461 arranged at intervals in the left-right direction, and a guiding inclined surface 462 located above the mold clamping limiting surfaces, the guiding inclined surface 462 inclines downward and forward, preferably, the lower hook plate 46 is formed with two clamping grooves 463 respectively corresponding to the mold clamping limiting surfaces 461, and each mold clamping limiting surface 461 defines a top side of a respective clamping groove 463.

The upper mold 42 includes an upper mold body 47 and a pivot lug 48 disposed at a front end of the upper mold body 47.

The upper mold body 47 has an upper mold parting surface 471 and a back surface 472 opposite to the upper mold parting surface 471.

The pivot lug seat 48 has a stop surface 481.

The upper die 42 is rotatable relative to the lower die 41 between a die-clamping position (see fig. 9) in which the upper and lower parting surfaces 471, 451 contact each other, and a die-opening position (see fig. 8) in which the upper and lower parting surfaces 471, 451 are spaced apart from each other.

Each upper hook 43 does not extend beyond the back surface 472, each upper hook 43 has a pivot portion 431 pivotally connected to the pivot ear seat 48 of the upper mold 42, and a hook portion 432 extending from the pivot portion 431, the pivot portion 431 has an unlocking positioning surface 433 and an upper fastening positioning surface 434, each upper hook 43 can rotate relative to the upper mold 42 between an unlocking position (see fig. 8) and an upper fastening position (see fig. 9), the unlocking positioning surface 433 of each upper hook 43 contacts the stop surface 481 when the upper hook 43 is in the unlocking position, and the upper fastening positioning surface 434 of each upper hook 43 contacts the stop surface 481 when the upper hook 43 is in the upper fastening position.

As shown in fig. 4, 5 and 7, the guiding element 44 has a rod portion 441 extending along the left-right direction and disposed on the pivoting portion 431 of the upper hook 43, and two guiding portions 442 disposed at two ends of the rod portion 441 respectively.

The guides 442 are spaced apart from each other in the left-right direction and correspond to the rails 211, respectively.

Each guide 442 contacts a respective rail 211 when carrier 33 moves with mold unit 40 to the unload position, and each guide 442 disengages a respective rail 211 when carrier 33 moves with mold unit 40 to the load position.

Therefore, as shown in fig. 10 to fig. 23, the following will describe the operation of the mold unit 40 in the process of forming the EVA molding material into the EVA shoe sole product by using the cold and hot forming machine 200 of the present invention, but the present invention is not limited thereto:

as shown in fig. 8 and 10, when the carrier 33 carries the mold unit 40 to the loading position, the guide 44 guided by the rail 211 to slide up drives the upper hook 43 to drive the upper mold 42 to rotate to the mold opening position, and keeps each upper hook 43 at the releasing position, and the hook portion 432 of each upper hook 43 is away from the corresponding mold clamping limiting surface 461 and the corresponding card slot 463, at this time, an operator can place two EVA molding materials 300 into the molding cavities 452 respectively. In the present embodiment, each EVA molding material 300 is in the form of a sheet, but not limited thereto.

Second, as shown in fig. 11, the table 31 of the carrying unit 30 is lifted to be adjacent to the heating space 211, then the carrier 33 of the carrying unit 30 carries the mold unit 40 to move to the loading position to enter the heating space 211, during this process, the guiding member 44 slides downward along the rail 211, so that the upper mold 42 gradually approaches the lower mold 41, and then the table 31 is slightly lowered again until the carrier 33 and the mold unit 40 are placed on the top surface of the lower hot pressing plate 222, at this time, the upper mold 42 and the lower mold 41 are separated by the EVA molding material 300, and the upper mold 42 and the lower mold 41 are separated by a small included angle.

Third, as shown in fig. 12 and 13, the hot press board driver 223 drives the upper hot press board 221 to descend to contact the upper mold 42 to prepare for starting to press down the upper mold 42, at this time, the hook portion 432 of each upper hook 43 contacts with the top side of the inclined guiding surface 462 of the lower hook 46, and each upper hook 43 swings to the upper buckling position temporarily due to the gravity of the guiding element 44.

Fourth, as shown in fig. 14 and 15, the hot press board driver 223 drives the upper hot press board 221 to continuously press down the upper mold 42, so that the upper mold 42 continuously rotates downward, and in the process, the guiding slope 462 of the lower hook plate 46 guides each upper hook 43 to slide outward.

As shown in fig. 16 and 17, the hot press board driver 223 drives the upper hot press board 221 to continuously press down the upper mold 42, so that the upper mold 42 rotates downward to the mold closing position, and in the process, when the hook portion 432 of each upper hook 43 passes over the inclined guide surface 462 of the lower hook 46, each upper hook 43 automatically swings to the upper buckling position due to the gravity of the guide 44, so that the upper hot press board 221 and the lower hot press board 222 can hot press the mold unit 40 to vulcanize the EVA molding material 300 (see fig. 15) in the mold unit 40, so that the EVA molding material 300 (see fig. 15) is vulcanized and molded into two EVA shoe sole products 400.

As described above, when the upper hot platen 221 presses the upper mold 42 downward to rotate the upper mold 42 toward the mold clamping position, the hook portion 432 of each upper hook 43 contacts the inclined guide surface 462 of the lower hook plate 46, and during this process, the guiding slope 462 can guide each upper hook 43 to automatically rotate to the upper buckling position, that is, when the carrier 33 is moved with the mold unit 40 to the loading position and the upper mold 42 is in the clamping position, each upper hook 43 is automatically located at the upper buckling position, at this time, the hook portion 432 of each upper hook 43 is lower than the corresponding mold clamping limiting surface 461 and adjacent to the corresponding mold clamping limiting surface 461, and the hook portion 432 of each upper hook 43 is fitted into the respective catching groove 463, so that, the upper mold 42 is kept in the mold closing position to prevent the upper mold 42 from being pushed upward by the EVA finished product sole 400, and to limit the amount of expansion of the EVA finished sole 400.

Sixth, as shown in fig. 18, the carrying unit 240 carries the mold unit 40 from the heating space 211 to the cooling space 212, so that the mold unit 40 and the carrier 33 are placed on the top surface of the lower cold plate 232.

Seventhly, as shown in fig. 19, the cold-pressing plate driver 233 drives the lower cold-pressing plate 232 to ascend, so that the upper cold-pressing plate 231 and the lower cold-pressing plate 232 perform cooling and shaping operations on the EVA shoe sole finished product 400 in the mold unit 40.

Eighthly, as shown in fig. 20 and 21, after the mold unit 40 completes the cooling and setting operation, the lower cold platen 232 descends with the mold unit 40, and then the rack 35 of the carrying unit 30 is moved into the cooling space 212, and then, the table 31 is raised slightly further, allowing the racks 35 with the carriers 33 to lift the mold units 40 off the top surface of the lower cold platen 232, then, when the carrier 33 moves with the mold unit 40 from the loading position (see fig. 5) toward the unloading position (see fig. 10), the guide 44 guided by the rail 211 to slide up drives each upper hook 43 to automatically rotate from the upper hooking position (see figure 17) to the unlocking position, the hook portion 432 of each upper hook 43 is disengaged from the corresponding slot 463, so that the upper hook 43 does not lock the upper mold 42 in the mold clamping position.

Ninthly, as shown in fig. 22 and 23, while the carrier 33 continues to move with the mold unit 40 from the loading position (see fig. 5) toward the unloading position (see fig. 10), since the upper-fastening positioning surface 434 of each upper hook 43 abuts against the stop surface 481, the guide 44 guided by the rail 211 to slide up can drive the upper mold 42 to rotate towards the mold opening position (see fig. 10) via the upper hook 43, and finally, as shown in fig. 10, when the carrier 33 with the mold unit 40 moves to the unloading position, the guiding element 44 guided by the rail 211 to slide up drives the upper hook 43 to drive the upper mold 42 to rotate to the mold opening position, and at this time, the operator can take out the EVA shoe sole finished product 400 (see fig. 23) in the molding cavity 452, and new EVA molding materials 300 (see fig. 7) are again placed in the molding cavities 452, respectively.

Thus, the present invention can utilize the carrying units 30 and 240 to intermittently carry the mold unit 40 between the lower hot pressing plate 222 and the lower cold pressing plate 232 in a circulating manner, so that the EVA molding material 300 in the mold unit 40 is molded (see fig. 7) into the EVA shoe sole finished product 400 (see fig. 23).

Through the above description, the advantages of the present invention can be summarized as follows:

one, the utility model discloses utilize this guide rail unit 20, this transport unit 30 to cooperate this mould unit 40's design, at the in-process of moving this mould unit 40 out from this cold and hot make-up machine 200's cooling space 212, this guide rail unit 20 can be earlier through this guide 44 go up and collude piece 43 automatic tripping, then drive this last mould 42 automatic rotation to this die sinking position, compare in prior art, the utility model discloses can be automatic will go up and collude a 433 tripping to automatically with this mould unit 40 die sinking, the operator only needs to be responsible for EVA sole finished product 400 take out the operation with the operation of putting into of EVA molding material 300 can save the manual work in the operation, promotes the operating efficiency.

Two, the utility model discloses a mould unit 40 utilizes go up the design that colludes piece 43 cooperation this guide 44, at the in-process of this mould unit 40 by hot pressing automatic closing die, go up and collude piece 43 and can detain on the automation, and with this mould unit 40 spacing in the state of compound die, can save the manual work in the operation, promote the operating efficiency.

It should be noted that, as shown in fig. 24 and 25, in another variation of the present embodiment, the mold unit 40 has only one upper hook 43 pivotally mounted on the pivot lug seat 48 of the upper mold 42. The lower hook plate 46 of the lower mold 41 has only one mold clamping position-limiting surface 461, and the arrangement of the card slot 463 (see fig. 7) is eliminated. The guiding element 44 further has two tab portions 443 disposed on the rod portion 441 at intervals in the left-right direction and pivotally connected to the pivot tab seat 48.

When the upper mold 42 is in the clamping position and the upper hook 43 is in the buckling position, the hook portion 432 of the upper hook 43 is lower than the clamping limiting surface 461 and adjacent to the clamping limiting surface 461, so that the upper mold 42 is maintained in the clamping position.

To sum up, the utility model discloses an automatic mold opening device of mould not only at the in-process of die sinking, but this mould unit automatic tripping and automatic die sinking, moreover, at the in-process of compound die, this mould unit can be detained automatically, so can reach the purpose of the utility model with the cost really.

Claims (6)

1. The utility model provides an automatic mold opening device of mould, contains board unit, guide rail unit, transport unit, and the mould unit, its characterized in that:

the guide rail unit is arranged on the machine table unit and is provided with two rails which are oppositely arranged in the left and right directions;

the carrying unit is arranged on the machine table unit and comprises a carrier; and

the mould unit is arranged on the carrier, the carrier is used for driving the mould unit to move between a loading-out position adjacent to the guide rail unit and a loading-in position far away from the guide rail unit relative to the machine table unit along the front-back direction, the mould unit comprises a lower mould, an upper mould pivoted on the lower mould, at least one upper hook pivoted on the upper mould, and a guide piece arranged on the upper hook, the lower mould is provided with a lower mould parting surface and at least one mould closing limiting surface, the upper mould is provided with an upper mould parting surface, a back surface opposite to the upper mould parting surface, and a stop surface, the upper mould can rotate between a mould closing position where the upper mould parting surface and the lower mould parting surface are mutually contacted and a mould opening position where the upper mould parting surface and the lower mould parting surface are mutually far away relative to the lower mould, and the upper hook does not exceed the back surface, the upper hook piece is provided with a pivoting part pivoted with the upper die and a hook part extending from the pivoting part, the pivoting part is provided with an unbuckling positioning surface and an upper buckling positioning surface, the upper hook piece can rotate between an unbuckling position and an upper buckling position relative to the upper die, when the upper hook piece is at the unbuckling position, the unbuckling positioning surface is contacted with the stopping surface, when the upper hook piece is at the unbuckling position, the upper buckling positioning surface is contacted with the stopping surface, the guide piece is arranged at the pivoting part of the upper hook piece and is provided with two guide parts which are mutually spaced in the left-right direction and respectively correspond to the tracks, when the carrier carries the die unit to move to the loading position, each guide part is contacted with each track, and when the carrier carries the die unit to move to the loading position, each guide part is separated from each track, when the carrier drives the mold unit to move from the loading position to the unloading position, the upper hook piece is located at the upper buckling position, the hook part of the upper hook piece is lower than the mold-closing limiting surface and is adjacent to the mold-closing limiting surface, when the carrier drives the mold unit to move from the loading position to the unloading position, the guide piece drives the upper hook piece to rotate from the upper buckling position to the unlocking position, when the carrier drives the mold unit to move from the unloading position, the guide piece drives the upper hook piece to drive the upper mold to rotate to the mold-opening position, the upper hook piece is kept at the unlocking position, and the hook part of the upper hook piece is far away from the mold-closing limiting surface.

2. The automatic mold opening device according to claim 1, wherein: the lower die is further provided with a guide inclined plane located above the die assembly limiting surface, the guide inclined plane faces downwards and inclines forwards, when the upper die rotates towards the die assembly position, the hook part of the upper hook part is in contact with the guide inclined plane, and the guide inclined plane guides the upper hook part to rotate to the upper buckling position.

3. The automatic mold opening device according to claim 2, wherein: the mold unit comprises two upper hook pieces pivoted on the upper mold at intervals in the left-right direction, the lower mold comprises a lower mold body and a lower hook plate arranged at the front end of the lower mold body, the lower mold body is provided with a lower film separating surface, the lower hook plate is provided with two mold closing limiting surfaces arranged at intervals in the left-right direction and a guide inclined surface, the lower hook plate is provided with two clamping grooves respectively corresponding to the mold closing limiting surfaces, each mold closing limiting surface defines the top side of a respective clamping groove, when the carrier drives the mold unit to move to the loading position and the upper mold is in the mold closing position, each upper hook piece is located at the upper buckling position, the hook part of each upper hook piece is embedded into the respective clamping groove, and when the carrier drives the mold unit to move from the loading position to the unloading position, the guide piece drives each upper hook piece to rotate from the upper buckling position to the unlocking position, the hook part of each upper hook part is separated from the corresponding clamping groove.

4. The automatic mold opening device according to claim 3, wherein: the upper die comprises an upper die body and a pivot lug seat arranged at the front end of the upper die body, the upper die body is provided with the upper die parting surface and the back surface, the pivot lug seat is provided with the stop surface, the pivot part of each upper hook piece is pivoted with the pivot lug seat, the guide piece is also provided with a rod part which extends along the left-right direction and is arranged at the pivot part of the upper hook piece, and the guide parts are respectively arranged at two ends of the rod part.

5. The automatic mold opening device according to claim 4, wherein: the guide rail unit comprises two guide rail plates which are oppositely arranged on the machine table unit in the left-right direction, and each guide rail plate is provided with a respective rail.

6. The automatic mold opening device according to claim 1, wherein: the carrying unit also comprises a workbench which is movably arranged on the machine table unit along the up-down direction, a workbench driver which is arranged on the machine table unit and is used for driving the workbench to move along the up-down direction, and a carrier driving module which is arranged on the workbench and is used for driving the carrier to move along the front-back direction, the carrier driving module is provided with two racks which are arranged on the left-right direction at intervals and are movably arranged on the workbench along the front-back direction, a motor which is arranged on the workbench, a transmission shaft which extends along the left-right direction and is rotatably arranged on the workbench, and two driven gears which are respectively arranged at two ends of the transmission shaft and are respectively meshed with the racks, the motor is provided with an output shaft, and a driving gear which is arranged on the output shaft and is meshed with one driven gear in the output shaft, the carrier is arranged on the rack.

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