CN118371685A - Die casting machine movable mould board back template locking device - Google Patents
Die casting machine movable mould board back template locking device Download PDFInfo
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- CN118371685A CN118371685A CN202410833817.0A CN202410833817A CN118371685A CN 118371685 A CN118371685 A CN 118371685A CN 202410833817 A CN202410833817 A CN 202410833817A CN 118371685 A CN118371685 A CN 118371685A
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- 238000004512 die casting Methods 0.000 title claims abstract description 37
- 210000001503 joint Anatomy 0.000 claims abstract description 76
- 238000003032 molecular docking Methods 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 40
- 239000000758 substrate Substances 0.000 description 11
- 230000001360 synchronised effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a die casting machine movable die plate rear die plate locking device, which belongs to the technical field of die casting machines and comprises a movable die plate and a rear die plate which are arranged in parallel, wherein the movable die plate is provided with a butt joint groove, the rear die plate is provided with connecting bosses, and the connecting bosses are arranged in one-to-one correspondence with the butt joint grooves; the butt joint groove is provided with an internal contracting brake assembly, the internal contracting brake assembly comprises a first brake seat and a second brake seat, the connecting boss can extend into between the second brake seat and the first brake seat, and the first brake seat can be close to or far away from the second brake seat. The invention can ensure the butt joint precision of the movable template and the rear template, improve the stability of the locking process and reduce the die assembly resistance.
Description
Technical Field
The invention belongs to the technical field of die casting machines, and particularly relates to a die casting machine movable die plate rear die plate locking device.
Background
The essence of die casting is a high-efficiency, high-efficiency precision casting method in which an alloy in a molten state or a semi-molten state is poured into a pressure chamber of a die casting machine, and then the alloy is filled into a cavity of a die casting mold at an extremely high speed under the action of high pressure, and the molten alloy is cooled, solidified and formed under the high pressure.
Most of die-casting machine die-closing structures are three-plate die-closing structures, and moving and butt-joint guiding is provided between the moving template and the rear template through a tie bar; in the die casting process of the three-plate structure, a die casting mould is arranged on the mould surface of the mould plate, the relative fixation and release between the movable mould plate and the rear mould plate are matched for locking and unlocking, and in the joint locking and unlocking process between the movable mould plate and the rear mould plate, the movable mould plate is inevitably provided with a fit clearance in a guiding structure moving on a tie rod, in the locking and unlocking process, the locking failure between the movable mould plate and the rear mould plate is easy to occur, the deviation appears in the positioning after locking, and the possibility of die casting mould dislocation is likely to happen under the condition that the locking butt joint position of the middle plate is inaccurate.
The invention patent publication No. JP4885475B2 provides a mold clamping device for a die casting machine or the like. Comprising the following steps: a base; a moving-side die plate provided so as to be capable of moving the die plate back and forth facing the fixed side; the guide device is arranged on the base and used for guiding the front-back motion of the movable side template; a first driving means for moving the template back and forth on the guide means; a second driving means is provided between the platen and the movable-side platen through tie bars near the corners of the mold to apply a clamping force, each platen is capable of accommodating a universal master mold detachably holding and holding the insert without interference with tie bars through the upper surface side or the side surface side of the platen, the inserts are capable of being carried into the mold opening spaces, the inserts are separated from the universal master plates, and the mold height is almost zero when the movable platen is fixed to the mold and the mold is in the clamping position. However, in this scheme, it is difficult to precisely control the moving direction of the moving die plate, which is likely to cause abrasion of the moving die plate and cause defects such as jamming.
The invention application with publication number of US20030217829A1 discloses a double-pressing plate die casting machine, the invention locates and limits a movable die plate in a threaded sleeve piston mode, and provides die locking enhancement pressure through hydraulic oil in a sleeve piston cylinder.
Disclosure of Invention
The invention aims to provide a die casting machine movable die plate rear die plate locking device which is simple in structure and easy to maintain, can ensure the butt joint precision of the movable die plate and the rear die plate, improves the stability of the locking process and reduces the die closing resistance.
The technical scheme adopted by the invention for achieving the purpose is as follows:
A locking device of a rear template of a movable template of a die casting machine comprises a movable template and a rear template which are arranged in parallel, wherein a butt joint groove is arranged on one side of the movable template facing the rear template, a connecting boss is arranged on one side of the rear template facing the movable template, and the connecting bosses are arranged in one-to-one correspondence with the butt joint grooves;
the butt joint groove is provided with an internal contracting brake assembly, the internal contracting brake assembly comprises a first brake seat and a second brake seat which are oppositely arranged, the connecting boss can extend into the space between the second brake seat and the first brake seat, and the first brake seat can be close to or far away from the second brake seat to lock or release the connecting boss.
By adopting the technical scheme, when the movable template is close to the rear template, the locking or releasing of the band-type brake of the connecting boss can be realized by utilizing the reciprocating movement of the first brake seat relative to the second brake seat in the band-type brake assembly, so that the joint hugging and releasing between the movable template and the rear template are realized. The first brake seat is matched with the band-type brake oil cylinder, the band-type brake oil cylinder can drive the first brake seat to reciprocate, and the moving precision of the first brake seat can be ensured, so that the band-type brake precision of the connecting boss is ensured.
In addition, the movable template and the rear template of the die casting machine are locked in a matching mode of the connecting boss and the butt joint groove, so that the accuracy of the butt joint site can be ensured, namely dislocation or deviation of the movable template can be prevented, and the locking effect is further ensured. According to the requirement, the connecting lug boss and the butt joint groove can be symmetrically provided with a plurality of groups, so that the accuracy of the relative positions of the movable template and the rear template is guaranteed, the stress balance of the movable template in the locking process can be improved, and dislocation or offset is further prevented.
According to one embodiment of the invention, the plurality of butt joint grooves are uniformly distributed on the outer edge of the movable template, and the butt joint grooves are symmetrically arranged in pairs.
Further, through holes are correspondingly formed in four corners of the square movable template and the rear template and are used for inserting tie bars; the butt joint groove on the movable template and the connecting boss on the rear template are correspondingly arranged between the two adjacent through holes. The multiple band-type brake components synchronously operate, and the running directions of second brake seats in the two symmetrically arranged band-type brake components are opposite.
According to one embodiment of the invention, the inner diameter of the butt joint groove gradually decreases from the surface of the movable template inwards; the outer wall of band-type brake subassembly flushes the setting with the opening terminal surface of butt joint groove. Therefore, the positioning accuracy is further improved.
According to one embodiment of the invention, the inner wall of the docking slot is stepped.
Therefore, the lateral movement of the connecting boss relative to the butt joint groove in the locking process can be avoided, namely the limit of the movable template is realized through the matching of the butt joint groove and the connecting boss, or the fine adjustment of the moving direction and the angle of the movable template can be realized through the matching of the connecting boss and the butt joint groove, the accuracy of the moving direction of the movable template in the locking process can be improved, the parallelism of the movable template with the rear template and other parts in the moving process of the movable template is ensured, the blocking is avoided, the abrasion degree is reduced, and the structural stability of the device is ensured.
The cooperation of utilizing connection boss and butt joint groove can improve the stationarity of movable mould board in locking process, prevents movable mould board deflection or side shift to improve locking in-process smooth and easy degree, reduce the locking degree of difficulty.
According to one embodiment of the invention, the end face of the movable template is provided with an annular butt end cover, and the butt end cover is arranged around the outer edge of the butt groove. Correspondingly, the end face of the rear template facing the movable template can be provided with an annular gasket, and the gasket is arranged around the periphery of the connecting boss and corresponds to the butt end cover. Flexible materials such as rubber and the like can be used to interface the end caps and gaskets as desired.
And the protection of the band-type brake assembly is realized by utilizing the butt end cover. In the initial stage of connection boss and butt joint groove complex, the setting of butt joint end cover can avoid connecting the boss and directly strike band-type brake subassembly, and pass between second floodgate seat and the first floodgate seat in the band-type brake subassembly, has also played the guide effect to connecting the boss at this in-process.
In addition, in the locking process of the movable template rear template, the connecting boss stretches into the butt joint groove, the butt joint end cover is in butt joint with the gasket, buffering can be achieved, protection of the rear template and the movable template is achieved, deformation of the connecting boss or other structures caused by overlarge impact force between the rear template and the movable template in the locking process is avoided, and the service life of equipment is prolonged.
And through the cooperation structure of butt joint end cover and gasket, can reduce the velocity of movement after the connection boss stretches into the butt joint inslot to avoid connecting the boss to the wearing and tearing of butt joint groove and destroy.
According to one embodiment of the invention, the inner wall of the butt joint groove is provided with a brake block hole, the band-type brake assembly comprises a pull rod, the pull rod penetrates through the brake block hole, the second brake seat and the first brake seat are matched with the pull rod, and the second brake seat and the first brake seat are arranged in the butt joint groove. Thus, the band-type brake assembly is firmly connected with the butt joint groove.
According to one embodiment of the present invention, the rear mold plate is provided with a positioning groove, the connection boss is provided in the positioning groove, and one end of the connection boss is exposed to the outside of the positioning groove.
According to one embodiment of the invention, the connecting boss is of a hollow structure; the inside of connecting the boss is equipped with the cavity with external intercommunication.
So, at connection boss and butt joint groove complex in-process, communicate between its inside cavity and the butt joint groove, can promote the flow of air current, help reducing the inside atmospheric pressure of butt joint groove to reduce the resistance of butt joint and locking process, improve locking efficiency.
According to one embodiment of the invention, the connecting boss comprises a first substrate and a second substrate which are fixedly connected, wherein one end of the first substrate far away from the second substrate is connected with the rear template, and one end of the second substrate far away from the first substrate is exposed out of the end face of the rear template;
The inside of first base member is equipped with first cavity, and the second base member is tubular structure, and its inside is equipped with both ends open-ended second cavity, and first cavity and second cavity intercommunication, and the flange has been disposed to the link of second base member and first base member, and the link of second cavity and first cavity extremely is the structure of expanding outward.
From this, the cooperation structure of first cavity and second cavity makes the inside cavity of connection boss and external intercommunication, at connection boss and butt joint groove complex in-process, the inside gas of butt joint groove inside can get into the inside of second cavity even first cavity to make the inside atmospheric pressure of connection boss increase relatively, so the band-type brake subassembly is relieved the band-type brake of connection boss, the in-process that the back template was kept away from to movable mould board, first cavity and second cavity inner wall make the process that connection boss breaks away from the butt joint groove more smooth and easy in the outside slightly higher atmospheric pressure compared, reduce the die sinking resistance.
Particularly, due to the arrangement of the outward expansion structure of the connecting end of the second cavity and the first cavity, the extruded gas in the butt joint groove can smoothly enter the second cavity and the first cavity in the process of extending into the butt joint groove, namely, the suction effect on the gas in the butt joint groove is formed; and in the process that the connecting boss breaks away from the butt joint groove, the arrangement of the external expansion structure at the tail end of the second cavity can avoid the gas in the first cavity to be discharged in a large quantity in the moment, thereby being capable of ensuring the slow and stable change of the air pressure in the butt joint groove and being beneficial to improving the stability of the process that the movable template is far away from the rear template.
According to one embodiment of the invention, the middle part of the movable template is provided with an ejector plate, and the ejector plate is provided with an ejector cylinder for driving the ejector plate to reciprocate. The movable template is provided with a hollow cavity, and the ejector plate is arranged in the hollow cavity. The ejection of the die casting mold and the die casting can be realized by utilizing the reciprocating movement of the ejector plate.
Therefore, the die-casting machine movable die plate rear die plate locking device disclosed by the invention is simple in structure and easy to operate, can ensure the butting precision, improves the stability of the locking process and reduces the die-closing resistance.
Drawings
Fig. 1 is a schematic diagram showing a fitting structure of a die plate locking device after a die casting machine moves a die plate according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the moving platen shown in FIG. 1;
FIG. 3 is a schematic view of a partially assembled structure of the moving platen shown in FIG. 2;
FIG. 4 is a schematic view of a part of the enlarged structure of the portion A in FIG. 3;
FIG. 5 is a schematic view of the part B of FIG. 3 in an enlarged partial structure;
FIG. 6 is a schematic structural view of the band-type brake assembly of FIG. 2;
FIG. 7 is a schematic view of a partially assembled structure of the rear form shown in FIG. 1;
fig. 8 is a schematic cross-sectional structure of a moving platen according to embodiment 2 of the present invention;
FIG. 9 is a schematic view of the enlarged partial structure of the portion C in FIG. 8;
Fig. 10 is a schematic view showing the internal structure of a connection boss according to embodiment 2 of the present invention.
Reference numerals: a front form 10; a moving die plate 11; a rear form 12; a tie bar 13; a mobile cylinder 14; a docking slot 20; a brake block hole 21; docking end cap 22; a positioning groove 23; a connection boss 24; a spacer 25; an ejector plate 26; band-type brake assembly 30; a holding cylinder 31; holding the synchronizing seat 32 tightly; hug the piston rod 33; a synchronizing support shaft 34; a first gate seat 35; a second gate seat 36; a first base 41; a second substrate 42; a first cavity 43; a second cavity 44.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the detailed description and the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Fig. 1 to 7 schematically show a die plate locking device behind a die casting machine moving die plate according to an embodiment of the invention. As shown in the figure, the device comprises a rear template 12, a movable template 11 and a front template 10 which are parallel and sequentially arranged, through holes are correspondingly formed in four corners of the rear template 12, the movable template 11 and the front template 10, and four tie bars 13 sequentially penetrate through the through holes in the rear template 12 and the movable template 11 and are connected with the front template 10. The movable template 11 is connected with a movable oil cylinder 14, the movable oil cylinder 14 can drive the movable template 11 to reciprocate and approach or depart from the rear template 12, the movable template 11 is provided with a band-type brake assembly 30, locking and loosening of the movable template 11 and the rear template 12 can be achieved, and fixing and separating of the movable template 11 and the rear template 12 can be achieved by matching with the movable template oil cylinder.
The side of the movable template 11 facing the rear template 12 is provided with a butt joint groove 20, the side of the rear template 12 facing the movable template 11 is provided with a connecting boss 24, and the connecting bosses 24 are arranged in one-to-one correspondence with the butt joint grooves 20. The plurality of docking slots 20 are uniformly dispersed and arranged at the outer edge of the movable mold plate 11, and the docking slots 20 are symmetrically arranged in pairs. Specifically, the docking slot 20 on the movable die plate 11 and the connection boss 24 on the rear die plate 12 are correspondingly disposed between two adjacent through holes.
The band-type brake assembly 30 is arranged in the butt joint groove 20 of the movable template 11, the band-type brake assembly 30 comprises a first brake seat 35 and a second brake seat 36 which are oppositely arranged, the connecting boss 24 can extend into between the second brake seat 36 and the first brake seat 35, and the first brake seat 35 can be close to or far away from the second brake seat 36 to lock or release the connecting boss 24. The plurality of band-type brake assemblies 30 operate synchronously, and the second brake seats 36 in the two symmetrically arranged band-type brake assemblies 30 operate in opposite directions.
When the movable template 11 is close to the rear template 12, the locking or releasing of the band-type brake of the connecting boss 24 can be realized by the back-and-forth movement of the first brake seat 35 relative to the second brake seat 36 in the band-type brake assembly 30, so that the engagement and the locking and the releasing between the movable template 11 and the rear template 12 are realized. The first brake seat 35 is matched with a band-type brake oil cylinder, the band-type brake oil cylinder can drive the first brake seat 35 to move back and forth, and the moving precision of the first brake seat 35 can be ensured, so that the band-type brake precision of the connecting boss 24 is ensured.
In addition, the movable die plate 11 and the rear die plate 12 of the die casting machine are locked by utilizing the matching mode of the connecting boss 24 and the butting groove 20, so that the accuracy of butting points can be ensured, namely the movable die plate 11 can be prevented from being misplaced or shifted, and the locking effect is further ensured. According to the requirement, the connecting boss 24 and the butt joint groove 20 can be symmetrically provided with a plurality of groups, so that the accuracy of the relative positions of the movable template 11 and the rear template 12 is ensured, the stress balance of the movable template 11 in the locking process can be improved, and dislocation or offset is further prevented.
The stress balance of the movable template 11 in the locking process can be ensured by utilizing a plurality of groups of symmetrically arranged butt joint grooves 20 and connecting bosses 24, so that dislocation or deformation of the template is avoided, and the locking effect is ensured.
In this embodiment, the moving die plate 11 is provided with four groups of band-type brake assemblies 30, which are divided into two longitudinal band-type brake units and two transverse band-type brake units, which are correspondingly arranged, and the band-type brakes of the connecting bosses 24 on the rear die plate 12 are respectively realized longitudinally and transversely.
Specifically, band-type brake subassembly 30 includes hug closely hydro-cylinder 31, hug closely hydro-cylinder 31 lower extreme power connection has hug closely piston rod 33, hug closely piston rod 33 downside and be equipped with first floodgate seat 35 and second floodgate seat 36, hug closely synchronous seat 32 of terminal surface fixedly connected with under the hydro-cylinder 31, hug closely synchronous seat 32 lower extreme fixedly connected with two bilateral symmetry's synchronous support axle 34, synchronous support axle 34 lower extreme fixed connection second floodgate seat 36, hug closely hydro-cylinder 31 function can drive first floodgate seat 35 and be close to or keep away from second floodgate seat 36. The first gate seat 35 and the second gate seat 36 are at least partially provided in an arc-shaped structure, and the arc-shaped structures of the first gate seat 35 and the second gate seat are opposite to each other, so as to be convenient for adapting to the cylindrical connecting boss 24. The left end and the right end of the second brake seat 36 are respectively provided with a synchronous butt joint hole, and the synchronous butt joint holes are rotationally connected with the synchronous support shaft 34; the left and right ends of the first brake seat 35 are respectively provided with a through hole, and the first brake seat 35 is slidably connected with two synchronous support shafts 34 through the through holes.
The inner wall of the butt joint groove 20 is provided with a brake block hole 21, a pull rod is arranged in the band-type brake assembly 30 and comprises a synchronous support shaft 34, a hugging piston rod 33 and the like, the synchronous support shaft 34 and the hugging piston rod 33 penetrate through the brake block hole 21, a second brake seat 36 and a first brake seat 35 are matched with the pull rod, and the second brake seat 36 and the first brake seat 35 are arranged in the butt joint groove 20. Thus, the band-type brake assembly 30 is firmly connected with the butt joint groove 20.
The end face of the movable die plate 11 is provided with an annular butt end cover 22, and the butt end cover 22 is provided around the outer edge of the butt groove 20. The rear die plate 12 is provided with a positioning groove 23, the connection boss 24 is provided in the positioning groove 23, and one end of the connection boss 24 is exposed to the outside of the positioning groove 23. Correspondingly, an annular gasket 25 can be arranged on the end face of the rear template 12 facing the movable template 11, the gasket 25 is arranged around the periphery of the connecting boss 24, and an opening end of the positioning groove 23 is arranged and corresponds to the butt end cover 22. Flexible materials such as rubber or the like may be used to interface the end cap 22 and the gasket 25 as desired.
Protection of band-type brake assembly 30 is achieved with butt end cap 22. In the initial stage of the cooperation of the connection boss 24 and the docking slot 20, the docking end cover 22 can prevent the connection boss 24 from directly impacting the band-type brake assembly 30, but passes through the gap between the second brake seat 36 and the first brake seat 35 in the band-type brake assembly 30, and plays a role in guiding the connection boss 24 in the process.
In addition, in the locking process of the rear template 12 of the movable template 11, the connecting boss 24 stretches into the butt joint groove 20, the butt joint end cover 22 is abutted with the gasket 25, buffering can be achieved, protection of the rear template 12 and the movable template 11 is achieved, deformation of the connecting boss 24 or other structures caused by overlarge impact force between the rear template 12 and the movable template 11 in the locking process is avoided, and the service life of equipment is prolonged.
Moreover, through the matching structure of the butt joint end cover 22 and the gasket 25, the moving speed of the connecting boss 24 after extending into the butt joint groove 20 can be reduced, so that the connecting boss 24 is prevented from wearing and damaging the butt joint groove 20.
In addition, an ejector plate 26 is disposed in the middle of the moving platen 11, and the ejector plate 26 is provided with an ejector cylinder for driving the ejector plate 26 to reciprocate. The movable template 11 is provided with a hollow cavity, and the ejector plate 26 is arranged in the hollow cavity. Ejection of the die casting mold and the die casting can be achieved by the reciprocating movement of the ejector plate 26.
Example 2
Fig. 8 to 10 schematically show a die plate locking device after moving a die plate of a die casting machine according to another embodiment of the present invention, which is different from example 1 in that:
The inner diameter of the butt-joint groove 20 gradually decreases inward from the surface of the moving die plate 11; the outer wall of the band-type brake assembly 30 is arranged flush with the opening end face of the butt joint groove 20. Therefore, the positioning accuracy is further improved. In this embodiment, the inner wall of the docking slot 20 is stepped.
The connecting boss 24 comprises a first base 41 and a second base 42 which are fixedly connected, wherein one end of the first base 41 away from the second base 42 is connected with the rear template 12, and one end of the second base 42 away from the first base 41 is exposed out of the end face of the rear template 12; the outer portion of the second base 42 is provided with a stepped portion, and an end thereof remote from the first base 41 has a smaller outer diameter than an end thereof close to the first base 41, so that the outer shape of the connection boss 24 is more adapted to the structure of the docking slot 20.
Therefore, the lateral movement of the connecting boss 24 relative to the butt joint groove 20 in the locking process can be avoided, namely the limit of the movable template 11 is realized through the matching of the butt joint groove 20 and the connecting boss 24, or the fine adjustment of the moving direction and the angle of the movable template 11 can be realized through the matching of the connecting boss 24 and the butt joint groove 20, the accuracy of the moving direction of the movable template 11 in the locking process can be improved, the parallelism of the movable template 11 with the rear template 12 and other components in the moving process can be ensured, the occurrence of clamping is avoided, the abrasion degree is reduced, and the structural stability of the device is ensured.
The stepped matching structure of the connecting boss 24 and the butt joint groove 20 can improve the stability of the movable template 11 in the locking process, improve the fine adjustment effect on the moving direction and angle of the movable template 11, prevent the movable template 11 from deflecting or laterally moving, and therefore improve the smoothness in the locking process and reduce the locking difficulty.
In addition, the connection boss 24 is a hollow structure; the inside of the connection boss 24 is provided with a cavity communicating with the outside. Specifically, the first substrate 41 has a first cavity 43 inside, the second substrate 42 has a tubular structure, a second cavity 44 with two open ends is disposed inside, the first cavity 43 is communicated with the second cavity 44, a connection end of the second substrate 42 and the first substrate 41 is configured with a connection flange, and a connection end of the second cavity 44 and the first cavity 43 is in an expanding structure.
Therefore, the matching structure of the first cavity 43 and the second cavity 44 enables the cavity inside the connection boss 24 to be communicated with the outside, in the process of matching the connection boss 24 with the butt joint groove 20, gas inside the butt joint groove 20 can enter the second cavity 44 and even the first cavity 43, so that the air pressure inside the connection boss 24 is relatively increased, in the process of releasing the band-type brake of the connection boss 24 from the band-type brake assembly 30 and keeping the movable template 11 away from the rear template 12, the process that the connection boss 24 is separated from the butt joint groove 20 is smoother due to the slightly higher air pressure between the inner walls of the first cavity 43 and the second cavity 44 compared with the outside, and the die opening resistance is reduced.
Particularly, the arrangement of the expansion structure at the connection end of the second cavity 44 and the first cavity 43 enables the extruded gas inside the docking slot 20 to more smoothly enter the second cavity 44 and the first cavity 43 in the process of extending into the docking slot 20, that is, the suction effect of the gas inside the docking slot 20 is formed; in the process that the connection boss 24 is separated from the docking slot 20, due to the arrangement of the outward expansion structure at the tail end of the second cavity 44, a large amount of gas in the first cavity 43 can be prevented from being discharged instantaneously, so that the slow and stable change of the air pressure in the docking slot 20 can be ensured, and the stability of the process that the movable template 11 is far away from the rear template 12 can be improved.
Conventional operations in the operation steps of the present invention are well known to those skilled in the art, and are not described herein.
While the foregoing embodiments have been described in detail in connection with the embodiments of the invention, it should be understood that the foregoing embodiments are merely illustrative of the invention and are not intended to limit the invention, and any modifications, additions, substitutions and the like made within the principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The die casting machine movable die plate rear die plate locking device comprises a movable die plate (11) and a rear die plate (12) which are arranged in parallel, and is characterized in that,
The movable template (11) is provided with a butt joint groove (20), the rear template (12) is provided with connecting bosses (24), and the connecting bosses (24) are arranged in one-to-one correspondence with the butt joint grooves (20);
The docking groove (20) is provided with a band-type brake assembly (30), the band-type brake assembly (30) comprises a first brake seat (35) and a second brake seat (36), the connecting boss (24) can extend into the space between the second brake seat (36) and the first brake seat (35), and the first brake seat (35) can be close to or far away from the second brake seat (36).
2. The die casting machine moving die plate back die plate locking device according to claim 1, wherein,
The plurality of butt joint grooves (20) are uniformly distributed and arranged on the outer edge of the movable template (11), and the butt joint grooves (20) are symmetrically arranged in pairs.
3. The die casting machine moving die plate back die plate locking device according to claim 1, wherein,
The inner diameter of the butt joint groove (20) gradually decreases inwards from the surface of the movable template (11); the outer wall of the band-type brake assembly (30) is arranged flush with the opening end face of the butt joint groove (20).
4. The die casting machine moving die plate back die plate locking device according to claim 3, wherein,
The inner wall of the butt joint groove (20) is in a ladder shape.
5. The die casting machine moving die plate back die plate locking device according to claim 3, wherein,
The movable template (11) is provided with an annular butt end cover (22), and the butt end cover (22) is arranged around the outer edge of the butt groove (20).
6. The die casting machine moving die plate back die plate locking device according to claim 1, wherein,
The inner wall of the butt joint groove (20) is provided with a brake block hole (21), the band-type brake assembly (30) comprises a pull rod, the pull rod penetrates through the brake block hole (21), the second brake seat (36) and the first brake seat (35) are matched with the pull rod, and the second brake seat (36) and the first brake seat (35) are arranged in the butt joint groove (20).
7. The die casting machine moving die plate back die plate locking device according to claim 1, wherein,
The rear template (12) is provided with a positioning groove (23), and the connecting boss (24) is arranged in the positioning groove (23).
8. The die casting machine moving die plate back die plate locking device according to claim 1, wherein,
The inside of connection boss (24) is equipped with the cavity, just the cavity communicates with the external world.
9. The die casting machine moving die plate back die plate locking device according to claim 8, wherein,
The connecting boss (24) comprises a first base body (41) and a second base body (42),
The inside of first base member (41) is equipped with first cavity (43), second base member (42) are tubular structure, and its inside is equipped with both ends open-ended second cavity (44), first cavity (43) with second cavity (44) intercommunication, second cavity (44) with the even extreme of first cavity (43) is the structure of expanding outward.
10. The die casting machine moving die plate back die plate locking device according to claim 1, wherein,
An ejector plate (26) is arranged in the middle of the movable template (11), and the ejector plate (26) is provided with an ejector cylinder for driving the ejector plate (26) to reciprocate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410833817.0A CN118371685A (en) | 2024-06-26 | 2024-06-26 | Die casting machine movable mould board back template locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410833817.0A CN118371685A (en) | 2024-06-26 | 2024-06-26 | Die casting machine movable mould board back template locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118371685A true CN118371685A (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410833817.0A Pending CN118371685A (en) | 2024-06-26 | 2024-06-26 | Die casting machine movable mould board back template locking device |
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| Country | Link |
|---|---|
| CN (1) | CN118371685A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481627A (en) * | 2009-07-02 | 2012-05-30 | 维尔纳·博伊勒因 | Casting mold comprising a breather |
| CN205343626U (en) * | 2015-11-03 | 2016-06-29 | 东莞市誉铭新精密技术股份有限公司 | Take mould of plug mechanism |
| CN107584800A (en) * | 2017-10-31 | 2018-01-16 | 苏州特精模具有限公司 | A kind of mould matched moulds positioner |
| CN218015719U (en) * | 2022-07-08 | 2022-12-13 | 深圳领威科技有限公司 | Die casting machine mode locking device |
| CN116900274A (en) * | 2023-06-12 | 2023-10-20 | 浙江泰瑞装备有限公司 | Direct-pressure balance mold locking device and die casting machine |
-
2024
- 2024-06-26 CN CN202410833817.0A patent/CN118371685A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481627A (en) * | 2009-07-02 | 2012-05-30 | 维尔纳·博伊勒因 | Casting mold comprising a breather |
| CN205343626U (en) * | 2015-11-03 | 2016-06-29 | 东莞市誉铭新精密技术股份有限公司 | Take mould of plug mechanism |
| CN107584800A (en) * | 2017-10-31 | 2018-01-16 | 苏州特精模具有限公司 | A kind of mould matched moulds positioner |
| CN218015719U (en) * | 2022-07-08 | 2022-12-13 | 深圳领威科技有限公司 | Die casting machine mode locking device |
| CN116900274A (en) * | 2023-06-12 | 2023-10-20 | 浙江泰瑞装备有限公司 | Direct-pressure balance mold locking device and die casting machine |
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