A die-casting mold frame with high adaptability

Abstract

The invention relates to the field of die-casting mold frames, and discloses a die-casting mold frame with high adaptability, including a Wantong mold frame and a die-casting mold assembled and installed in the Wantong mold frame. The die-casting mold frame with high adaptability also includes a plurality of positioning pins slidably installed on the four sides of the Wantong mold frame, a fixing plate fixed on two upper and lower adjacent positioning pins, a movable frame sleeved on the positioning pins to push them to slide in a directional manner, and a positioning pin hole provided on the die-casting mold and assembled with the positioning pins for positioning; the Wantong mold frame is provided with a driving component for driving two groups of movable frames symmetrically distributed about its axis to move relative to each other; the movable frame is provided with a selection rod component for limiting assembly and synchronous movement of the positioning pins selected according to the size of the die-casting mold; the mold frame is provided with a driving component and a selection rod component, which can select a suitable number of positioning pins according to the size of the mold and assemble with the die-casting mold, and the assembly structure is stable and the precision is high.

Description

Technical Field

[0001] The invention relates to the field of die casting mold frames, in particular to a die casting mold frame with high adaptability. Background Art

[0002] The die-casting mold frame is an important part of the die-casting mold. The design and manufacture of the die-casting mold frame is crucial and directly affects the stability of the die-casting process and the quality of the product. The die-casting mold frame is assembled with the fixed mold and the movable mold. The guide structure controls the movement and mold closing between the fixed mold and the movable mold. The assembly accuracy between the mold frame and the mold affects the accuracy of the mold closing between the fixed mold and the movable mold.

[0003] Chinese patent CN103381668A discloses a Wantong mold frame, including a bottom plate, four support plate guide pillars are fixed on the bottom plate, and these guide pillars pass through the lower plate of the movable baffle and are connected to a support plate; the support plate is connected to an action cylinder; the lower end of the action cylinder is connected to a connector, and the lower end of the connector is embedded in a connector pull block; the connector pull block is fixed to the lower plate of the movable baffle; the bottom plate is connected to a die moving plate through four die guide pillars and a die guide sleeve; the upper part of the die moving plate is connected to a die connecting plate, and four buffer rods are fixed on the die connecting plate, the lower part of the die moving plate is connected to a chute seat and a limit block A, the position on the bottom plate corresponding to the limit block A is connected to the limit block B, the chute seat is fixedly connected to the upper die set, and the bottom plate is fixedly connected to the lower die set. The universal mold frame can replace different mold modules according to the needs of the equipment or machine to perform operations, thereby improving the efficiency of mold change, and various types of molds can be installed on this mold frame, thereby reducing production costs.

[0004] The size of the die-casting mold is designed and manufactured according to the shape of the casting, so the size of the die-casting mold varies. For molds with similar sizes within a certain range, they can be assembled together using a universal mold frame. However, due to the change in the contact area between molds of different sizes and the universal mold frame, it is difficult to stably assemble larger-sized die-casting molds when using the same contact surface fixings on some universal mold frames to assemble die-casting molds of different sizes, which will affect the accuracy of the subsequent movement and closing of the fixed mold and the movable mold. In addition, since the universal mold frame can be applied to die-casting molds of various sizes, the combined structure between the mold frame and the mold has a certain adjustment range. Therefore, when the die-casting mold is first set in the mold frame, it is inconvenient to pre-position the assembly position of the die-casting mold, and the deviation of the mold placement position will affect its assembly with the mold frame. Summary of the invention

[0005] In view of the above problems, a die-casting mold frame with high adaptability is provided. The driving assembly and the selector rod assembly select the corresponding number of positioning pins according to the size of the die-casting mold to move and assemble with the die-casting mold to solve the problem that the size of the die-casting mold is designed and manufactured according to the shape of the casting. Therefore, there are many sizes of die-casting molds. For molds with sizes within a certain range, they can be combined and assembled through a Wantong mold frame. However, molds of different sizes have different contact areas with the Wantong mold frame. Some Wantong mold frames use fixings with the same contact surface to assemble die-casting molds of different sizes, which makes it difficult to stably assemble large-sized die-casting molds. It also affects the accuracy of the later movement and closing of the fixed mold and the movable mold.

[0006] In order to solve the problems of the prior art, the present invention provides a die-casting mold frame with high adaptability, including a Wantong mold frame and a die-casting mold assembled and installed in the Wantong mold frame, the die-casting mold frame also includes a plurality of positioning pins slidably installed on the four sides of the Wantong mold frame, a fixing plate fixed on two adjacent upper and lower positioning pins, a movable frame sleeved on the positioning pins to promote their directional sliding, and a positioning pin hole opened on the die-casting mold and assembled with the positioning pins for positioning; the Wantong mold frame is equipped with a driving component for driving two groups of movable frames symmetrically distributed about its axis to move relative to each other; the movable frame is provided with a selection rod component assembled with the positioning pins and moving synchronously.

[0007] Preferably, the rod selection assembly includes a circular groove opened on the movable frame and coaxially opened on the outside of the positioning pin shaft, thread grooves are opened in the movable frame corresponding to the upper and lower positions of the circular groove, the inner threads of the thread groove in the movable frame are equipped with threaded nails, and a through hole is opened in the positioning pin shaft, and the threaded nail is penetrated through the through hole.

[0008] Preferably, a plurality of the positioning pins are arranged horizontally at equal intervals on the Wantong mold frame, and a reset component is installed on the Wantong mold frame to keep the positioning pins in the outer direction of the horizontal row in a stable position after being separated from the movable frame.

[0009] Preferably, the reset assembly comprises a hollow disc fixedly sleeved on the positioning pin shaft and slidably mounted in the Wantong mold frame, and a reset spring is connected between the hollow disc and the Wantong mold frame.

[0010] Preferably, the die-casting mold is provided with a heat dissipation component which assists heat escape after being assembled with the Wantong mold frame.

[0011] Preferably, the heat dissipation component includes a heat collecting cavity arranged in the die-casting mold, and a plurality of heat dissipation holes are provided at equal intervals on the four side walls of the die-casting mold. The heat dissipation holes are interconnected with the heat collecting cavity and the positioning pin holes, and a heat dissipation channel corresponding to the heat dissipation holes is provided through the positioning pin shaft, and a heat-conducting inner layer is embedded in the heat dissipation channel.

[0012] Preferably, the driving assembly includes a driving gear rotatably mounted on the Wantong mold frame, and transmission racks are meshed and assembled on the upper and lower parts of the driving gear, and the upper and lower transmission racks are respectively fixedly assembled with two groups of movable frames symmetrical about the center of the Wantong mold frame; a threaded rod is coaxially fixedly connected to the driving gear, and an internally threaded square slider is threadedly assembled on the threaded rod, and the internally threaded square slider is slidably mounted in the Wantong mold frame.

[0013] Preferably, a pre-positioning component for preliminarily positioning the assembly position of the die-casting mold and the Wantong mold frame is installed on the internally threaded square slider.

[0014] Preferably, the pre-positioning component includes an inner hollow cylinder arranged next to the internally threaded square slider and coaxially sleeved outside the threaded rod, an inner positioning spring is connected between the inner hollow cylinder and the internally threaded square slider, an outer hollow cylinder is coaxially sleeved outside the inner hollow cylinder, and an outer positioning spring is connected between the outer hollow cylinder and the inner hollow cylinder; an internal thread block is coaxially fixedly installed in the outer hollow cylinder, and the internal thread block and the threaded rod are threadedly assembled; two pre-positioning holes are provided on the die-casting mold, the positions of the two pre-positioning holes are perpendicular to each other and are distributed correspondingly to the two outer hollow cylinders, and the outer hollow cylinder moves to engage with the pre-positioning holes.

[0015] Preferably, a magnetic attraction component is provided between the internal thread block and the threaded rod for autonomously controlling the resetting of the outer hollow cylinder when the die-casting mold is disassembled; the magnetic attraction component includes a magnetic ring embedded in the internal thread block, an electromagnetic rod embedded in the threaded rod, and the electromagnetic rod and the magnetic ring are connected by magnetic attraction.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention is provided with a selection rod assembly and a driving assembly, which can select a suitable number of positioning pins and die-casting molds for assembly according to the size of the mold, control the rotation of the threaded nails in the selection rod assembly, so that the threaded nails are threadedly assembled with the threaded holes at the upper or lower positions in the movable frame, control the mutual combination or separation state between the movable frame and the positioning pins, thereby realizing the control of the combined connection between the corresponding number of positioning pins and the movable frame, and then control the relative movement of two symmetrical movable frames on the Wantong mold frame through the driving assembly, keep the displacement of the two symmetrical movable frames the same, and drive the positioning pins to move synchronously through the movable frame, so that the positioning pins and the die-casting mold are assembled with each other, thereby realizing the stable installation of die-casting molds of different sizes in the Wantong mold frame.

[0018] 2. The present invention is provided with a pre-positioning component to limit the position of the die-casting mold in the Wantong mold frame. After the die-casting mold is placed on the Wantong mold frame, the driving gear is controlled to drive the threaded rod to rotate, and the internal threaded square slider and the pre-positioning component are pushed to move in the direction close to the die-casting mold under the action of the threaded transmission. The threaded rod and the outer hollow cylindrical tube in the pre-positioning component are separated and the thread lock is released. At this time, under the dual elastic thrust of the inner positioning spring and the outer positioning spring, the outer hollow cylindrical tube is pushed to move in the direction close to the die-casting mold, and the position of the die-casting mold corresponding to the Wantong mold frame is adjusted, so that the two groups of vertically distributed pre-positioning holes on the die-casting mold and the two pop-up outer hollow tubes on the Wantong mold frame are engaged with each other, and the position of the die-casting mold corresponding to the Wantong mold is quickly limited by the two groups of engaging structures, and then the driving gear is continued to be rotated, and the positioning pin shaft on the Wantong mold frame is moved and combined with the die-casting mold under the action of the transmission, so as to accurately control the assembly between the die-casting mold and the Wantong mold.

[0019] 3. The present invention is provided with a heat dissipation component for assisting the uniform solidification of the casting during the processing of the die-casting mold. When the Wantong mold frame and the die-casting mold are combined, a corresponding number of positioning pins on the Wantong mold frame are snap-fitted and assembled in the positioning pin holes on the die-casting mold. The snap-fitted and assembled positioning pins correspond to the heat dissipation holes on the side walls of the die-casting mold. When the die-casting mold is processed, part of the heat generated by the molten metal is transferred to the heat collecting cavity, and the heat in the heat collecting cavity enters the heat dissipation channel in the positioning pins through the heat dissipation holes. A heat-conducting inner layer is provided in the heat dissipation channel to improve the ability of absorbing and dissipating heat. The positioning pins are evenly distributed on the four side walls of the die-casting mold, which can effectively control the heat in the die-casting mold to be discharged outward, so that the molten metal in the cavity of the die-casting mold can be cooled and solidified more evenly, thereby improving the quality of the produced castings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a die-casting mold frame with high adaptability;

[0021] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure of the middle part;

[0022] Figure 3 yes Figure 2 The structural diagram after the die-casting mold is omitted;

[0023] Figure 4 yes Figure 3 A partial cross-sectional view of

[0024] Figure 5 yes Figure 3 A three-dimensional diagram of the structure of the middle part;

[0025] Figure 6 yes Figure 5A three-dimensional diagram of the structure of the middle part;

[0026] Figure 7 It is a three-dimensional diagram of the connection between the positioning shaft pin, the selection rod assembly and the moving frame;

[0027] Figure 8 yes Figure 7 A partial cross-sectional view of

[0028] Fig. 9 yes Figure 4 A three-dimensional diagram of the structure of the middle part;

[0029] Fig.10 It is a three-dimensional diagram of the movable frame, the fixed plate and the two positioning shaft pins when connected;

[0030] Fig.11 It is a partial cross-sectional view of the drive gear and predetermined components installed on the Wantong mold frame;

[0031] Fig.12 yes Fig.11 A partial cross-sectional view of

[0032] Fig.13 yes Fig.12 Exploded view in ;

[0033] Fig.14 yes Fig.13 A three-dimensional diagram of the structure of the middle part;

[0034] Fig.15 yes Figure 3 A partial cross-sectional view of the .

[0035] The numbers in the figure are: 1. Wantong mold frame; 2. Die-casting mold; 21. Heat collection cavity; 22. Heat dissipation hole; 23. Heat dissipation channel; 24. Heat-conducting inner layer; 31. Positioning pin shaft; 32. Fixed plate; 33. Moving frame; 34. Driving assembly; 341. Driving gear; 342. Transmission rack; 343. Threaded rod; 344. Internally threaded square slider; 35. Positioning pin hole; 4. Selecting rod assembly; 41. Round groove; 42. Threaded groove; 43. Threaded nail; 44. Perforation; 5. Reset assembly; 51. Hollow disc; 52. Reset spring; 6. Pre-positioning assembly; 61. Inner hollow cylinder; 62. Inner positioning spring; 63. Outer hollow cylinder; 64. Outer positioning spring; 65. Internally threaded block; 651. Magnetic ring; 652. Electromagnetic rod; 66. Pre-positioning hole. DETAILED DESCRIPTION

[0036] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0037] See also Figure 1-Figure 15As shown, a die-casting mold frame with high adaptability includes a Wantong mold frame 1 and a die-casting mold 2 assembled and installed in the Wantong mold frame 1. The die-casting mold frame also includes a plurality of positioning pins 31 slidably installed on the four sides of the Wantong mold frame 1, a fixing plate 32 fixed on two upper and lower adjacent positioning pins 31, a moving frame 33 sleeved on the positioning pins 31 to push the positioning pins 31 to slide in a directional manner, and a positioning pin hole 35 opened on the die-casting mold 2 and assembled with the positioning pins 31; the Wantong mold frame 1 is equipped with a driving mechanism for driving two sets of moving frames 33 symmetrically distributed about its axis to move relative to each other. The moving frame 33 is provided with a selection rod assembly 4 which is assembled with the positioning pin shaft 31 and moves synchronously; the positioning pin shaft 31 is arranged in two rows on the Wantong mold frame 1, one group of driving components 34 controls the directional movement of the positioning pin shafts 31 in the upper row on both sides of the Wantong mold frame 1, and the other group of driving components 34 controls the directional movement of the positioning pin shafts 31 in the lower row on both sides of the Wantong mold frame 1, so that the positioning pin shafts 31 on all sides can be staggered and moved to avoid movement interference, and the four sides of the die-casting mold 2 are evenly spaced with positioning pin holes 35 corresponding to the positions of the positioning pin shafts 31.

[0038] When controlling the die-casting mold 2 to be assembled with the Wantong mold frame 1, according to the external size of the die-casting mold 2, the corresponding number of locating pins 31 on the Wantong mold frame 1 are controlled to be combined with the die-casting mold 2. First, the connection state between the locating pins 31 and the moving frame 33 is controlled by the selection rod assembly 4, and the locating pins 31 that need to be combined with the die-casting mold 2 are combined and connected with the moving frame 33. The moving frames 33 symmetrically distributed on both sides of the Wantong mold frame 1 are controlled to move relative to each other through the driving gear 341. The moving frame 33 drives the locating pins 31 combined and connected with it to move synchronously, and pushes the locating pins 31 to slide in a directional manner in the Wantong mold frame 1. The locating pins 31 move and engage with the locating pin holes 35 opened on the side of the die-casting mold 2 for assembly. The die-casting mold 2 can be quickly assembled and installed in the Wantong mold frame 1 through the engaging structure, and the locating pins 31 are in large-area and uniform contact with the four sides of the die-casting mold 2, which can maintain the stability of the die-casting mold 2 and the Wantong mold frame 1 after assembly and the accuracy of the assembly position.

[0039] The selection rod assembly 4 includes a circular groove 41 opened on the mobile frame 33 and coaxially opened on the outside of the positioning pin shaft 31, and the mobile frame 33 is provided with a threaded groove 42 corresponding to the upper and lower positions of the circular groove 41. The threaded groove 42 in the mobile frame 33 is equipped with a threaded nail 43 in the inner thread, and the positioning pin shaft 31 is provided with a through hole 44, and the threaded nail 43 is penetrated and arranged in the through hole 44; the diameter of the through hole 44 is larger than the diameter of the threaded groove 42, and the positioning pin shaft 31 penetrates the circular groove 41 opened on the mobile frame 33.

[0040] The locating pins 31 and the movable frame 33 are assembled with each other in a corresponding number according to the size of the die-casting mold 2. The locating pins 31 located in the middle of the movable frame 33 usually do not need to adjust the connection state. The locating pins 31 on the side need to be controlled by the rod selection assembly 4 to control the connection state between them and the movable frame 33; the threaded nails 43 are controlled to rotate in the movable frame 33 accordingly. When the threaded nails 43 rotate to be threadedly assembled with the thread grooves 42 at the lower position of the movable frame 33, the threaded nails 43 penetrate through the through holes 44 provided in the locating pins 31. At this time, the locating pins 31 are limited to be assembled on the movable frame 33. The movable frame 33 drives the locating pins 31 to move synchronously during the movement. When the threaded nails 43 rotate to be threadedly assembled with the thread grooves 42 at the upper position of the movable frame 33, the threaded nails 43 and the locating pins 31 are in a separated state. The locating pins 31 are not assembled with each other between the movable frame 33. The movable frame 33 slides on the locating pins 31 through the circular grooves 41 during the movement.

[0041] A plurality of locating pins 31 are arranged horizontally at equal intervals on the Wantong mold frame 1, and a reset component 5 is installed on the Wantong mold frame 1 to maintain the locating pins 31 in the outer direction of the horizontal row in a stable position after being separated from the movable frame 33; regardless of whether the die-casting mold 2 is large or small in size, it needs to be assembled in combination with the locating pins 31 distributed in the middle position, so for the outer row of locating pins 31 that need to control the connection status with the movable frame 33, a reset component 5 is provided to stabilize its connection status on the Wantong mold frame 1.

[0042] When the small-sized die-casting mold 2 is assembled in the Wantong mold frame 1, the positioning pin 31 controlling the outer position of the horizontal row on the Wantong mold frame 1 is in a separated state from the movable frame 33. At this time, the positioning pin 31 is elastically connected to the Wantong mold frame 1 through the hollow disc 51 and the return spring 52. The positioning pin 31 is limited to the Wantong mold frame 1 by the elastic thrust, so as to prevent the positioning pin 31 separated from the movable frame 33 from moving randomly and hitting other components in the mold frame, thereby maintaining its position connected to the Wantong mold frame 1.

[0043] The reset assembly 5 includes a hollow disk 51 which is fixedly sleeved on the positioning pin shaft 31 and is slidably mounted in the Wantong mold frame 1 . A reset spring 52 is connected between the hollow disk 51 and the Wantong mold frame 1 .

[0044] When the locating pin 31 and the movable frame 33 are in a separated state, under the elastic thrust of the reset spring 52, the locating pin 31 is restricted to be connected to the Wantong mold frame 1. When the locating pin 31 and the movable frame 33 are in a combined state, when the movable frame 33 moves, it drives the locating pin 31 to move synchronously, and the hollow disc 51 on the locating pin 31 moves with it. The hollow disc 51 compresses the reset spring 52 to the side, which does not affect the movement of the locating pin 31 and the mutual assembly between the die-casting mold 2.

[0045] The die-casting mold 2 is provided with a heat dissipation component which assists heat escape after being assembled with the Wantong mold frame 1 .

[0046] After the die-casting mold 2 is assembled with the Wantong mold frame 1, the guide structure on the Wantong mold frame 1 can control the movement of the fixed mold and the movable mold to close the mold, and the molten metal produced by die casting can be introduced into the cavity between the fixed mold and the movable mold. The molten metal dissipates a large amount of heat during the solidification process. The position of the combination of the die-casting mold 2 and the Wantong mold frame 1 can assist in dissipating the heat in the mold cavity to the outside.

[0047] The heat dissipation component includes a heat collecting cavity 21 arranged in the die-casting mold 2. The four side walls of the die-casting mold 2 are provided with multiple groups of heat dissipation holes 22 at equal intervals. The heat dissipation holes 22 are interconnected with the heat collecting cavity 21 and the positioning pin holes 35. A heat dissipation channel 23 corresponding to the heat dissipation holes 22 is opened through the positioning pin shaft 31, and a heat conductive inner layer 24 is embedded in the heat dissipation channel 23.

[0048] Part of the heat in the mold cavity is transferred to the heat collecting cavity 21, and the heat collecting cavity 21 enters the heat dissipation channel 23 inside the positioning pin 31 through the heat dissipation holes 22 opened on the four side walls of the die-casting mold 2. The heat-conducting inner layer 24 in the heat dissipation channel 23 has a strong heat absorption capacity and can absorb and discharge a large amount of heat. In addition, since the positioning pins 31 are evenly distributed on the four sides of the die-casting mold 2 and are large in number, the heat dissipation effect is relatively uniform, which can effectively assist the metal heat dissipation and solidification molding in the mold.

[0049] The driving assembly 34 includes a driving gear 341 rotatably mounted on the Wantong mold frame 1, and transmission racks 342 are meshed and assembled on the upper and lower parts of the driving gear 341. The upper and lower transmission racks 342 are respectively fixedly assembled with two groups of movable frames 33 which are symmetrical about the center of the Wantong mold frame 1; a threaded rod 343 is coaxially fixedly connected to the driving gear 341, and an internally threaded square slider 344 is threadedly assembled on the threaded rod 343, and the internally threaded square slider 344 is embedded and slidably installed in the Wantong mold frame 1.

[0050] The driving gear 341 is controlled to rotate. The upper and lower parts of the driving gear 341 drive the upper and lower transmission racks 342 to move horizontally through the meshing transmission structure. The transmission racks 342 drive the moving frame 33 to move synchronously, so that the moving frames 33 symmetrically distributed on both sides of the Wantong mold frame 1 move relatively equidistantly, so that the symmetrically distributed positioning pins 31 can move synchronously and be assembled with the die-casting mold 2.

[0051] When the driving gear 341 rotates, it also drives the threaded rod 343 to rotate synchronously. Under the action of the threaded transmission structure, the internally threaded square slider 344 sleeved on the outside of the threaded rod 343 is embedded in the Wantong mold frame 1 and moves in a directional manner. The embedded and moving internally threaded square slider 344 can limit the rotation position of the threaded rod 343 and the driving gear 341, thereby limiting the moving assembly position of the locating pin shaft 31.

[0052] A pre-positioning component 6 for preliminarily positioning the assembly position of the die-casting mold 2 and the Wantong mold frame 1 is installed on the internal thread square slider 344.

[0053] In the early stage of assembling the die-casting mold 2 and the Wantong mold frame 1, the die-casting mold 2 is placed in the Wantong mold frame 1, and the driving gear 341 on the Wantong mold frame 1 is controlled to rotate. The rotation of the driving gear 341 can drive the pre-positioning component 6 to quickly limit the position of the die-casting mold 2 corresponding to the Wantong mold frame 1.

[0054] The pre-positioning component 6 includes an inner hollow cylinder 61 which is coaxially sleeved beside the inner threaded square slider 344 and outside the threaded rod 343, an inner positioning spring 62 is connected between the inner hollow cylinder 61 and the inner threaded square slider 344, an outer hollow cylinder 63 is coaxially sleeved outside the inner hollow cylinder 61, and an outer positioning spring 64 is connected between the outer hollow cylinder 63 and the inner hollow cylinder 61; an inner thread block 65 is coaxially fixedly installed in the outer hollow cylinder 63, and the inner thread block 65 is threadedly assembled with the threaded rod 343; two pre-positioning holes 66 are provided on the die-casting mold 2, the positions of the two pre-positioning holes 66 are perpendicular to each other and are distributed correspondingly to the two outer hollow cylinders 63, and the outer hollow cylinder 63 moves to engage with the pre-positioning holes 66.

[0055] When the driving gear 341 initially drives the threaded rod 343 to rotate, the internally threaded square slider 344 sleeved on the outside of the threaded rod 343 moves toward the die-casting mold 2, and the internally threaded block 65 in the outer hollow cylinder 63 of the pre-positioning component 6 gradually moves away from the threaded rod 343. When the internally threaded block 65 is completely separated from the threaded rod 343, the inner hollow cylinder 61 pops outward under the elastic thrust of the inner positioning spring 62, and the outer hollow cylinder 63 pops outward under the elastic rod thrust of the outer positioning spring 64. The pop-up outer hollow cylinder 63 is pressed against the side of the die-casting mold 2. By moving and adjusting the position of the die-casting mold 2, the outer hollow cylinder 63 is elastically engaged into the pre-positioning hole 66 opened on the side of the die-casting mold 2. Through the engagement and connection with the two groups of perpendicular pre-positioning holes 66 on the surface of the die-casting mold 2, the position of the die-casting mold 2 corresponding to the Wantong mold frame 1 can be quickly limited, so as to continue to rotate the driving gear 341 and control the positioning pin shaft 31 through the transmission structure to accurately engage and assemble in the die-casting mold 2.

[0056] A magnetic attraction component is provided between the internal thread block 65 and the threaded rod 343 for autonomously controlling the resetting of the outer hollow cylinder 63 when the die-casting mold 2 is disassembled; the magnetic attraction component includes a magnetic ring 651 embedded in the internal thread block 65, and an electromagnetic rod 652 embedded in the threaded rod 343, and the electromagnetic rod 652 is magnetically attracted to the magnetic ring 651.

[0057] When the die-casting mold 2 and the Wantong mold frame 1 are disassembled, the driving gear 341 is controlled to rotate in the opposite direction, so that the positioning pin shaft 31 and the die-casting mold 2 are moved and separated, and the internally threaded square slider 344 sleeved on the threaded rod 343 moves to reset. At this time, the outer hollow cylinder 63 is still engaged in the pre-positioning hole 66 in the die-casting mold 2 under the action of elastic thrust, and the power supply of the electromagnetic rod 652 is connected. Under the magnetic attraction of the electromagnetic rod 652 and the magnetic conductive ring 651, the outer hollow cylinder 63 moves toward the square close to the internally threaded square slider 344, thereby quickly separating the outer hollow cylinder 63 from the die-casting mold 2, and after the die-casting mold 2 is removed from the Wantong mold frame 1, the outer hollow cylinder 63 is pressed and the driving gear 341 is rotated, so that the internally threaded block 65 in the outer hollow cylinder 63 and the threaded rod 343 are threadedly locked, thereby limiting the position of the outer hollow cylinder 63 corresponding to the Wantong mold frame 1.

[0058] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0059] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0062] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the scope defined by the spirit of the present invention.

Claims

1. A die-casting mold frame with high adaptability, comprising a Wantong mold frame (1) and a die-casting mold (2) assembled and installed in the Wantong mold frame (1), characterized in that: The die-casting mold frame also includes a plurality of positioning pins (31) slidably mounted on four sides of the Wantong mold frame (1), a fixing plate (32) fixed to two upper and lower adjacent positioning pins (31), a moving frame (33) sleeved on the positioning pins (31) to push them to slide in a directional manner, and a positioning pin hole (35) provided on the die-casting mold (2) and assembled with the positioning pins (31) for positioning. The Wantong mold frame (1) is provided with a driving assembly (34) for driving two groups of moving frames (33) symmetrically distributed about its axis to move relative to each other; The movable frame (33) is provided with a lever selection assembly (4) which is assembled with the positioning pin shaft (31) and moves synchronously; The lever selection assembly (4) comprises a circular groove (41) provided on the movable frame (33) and coaxially provided on the outside of the positioning pin shaft (31); a thread groove (42) is provided in the movable frame (33) at positions corresponding to the upper and lower positions of the circular groove (41); a threaded nail (43) is installed in the threaded groove (42) in the movable frame (33); a through hole (44) is provided in the positioning pin shaft (31); and the threaded nail (43) is arranged to penetrate through the through hole (44); The driving assembly (34) comprises a driving gear (341) rotatably mounted on the Wantong mold frame (1), the driving gear (341) is meshed with transmission racks (342) at the upper and lower parts thereof, and the upper and lower transmission racks (342) are respectively fixedly mounted on two sets of moving frames (33) symmetrically about the center of the Wantong mold frame (1); A threaded rod (343) is coaxially fixedly connected to the driving gear (341), an internally threaded square slider (344) is threadedly mounted on the threaded rod (343), and the internally threaded square slider (344) is slidably mounted in the Wantong mold frame (1); The inner threaded square slider (344) is provided with a pre-positioning component (6) for preliminarily positioning the assembly position of the die-casting mold (2) and the Wantong mold frame (1); The pre-positioning component (6) comprises an inner hollow cylinder (61) arranged beside the inner threaded square slider (344) and coaxially sleeved outside the threaded rod (343); an inner positioning spring (62) is connected between the inner hollow cylinder (61) and the inner threaded square slider (344); an outer hollow cylinder (63) is coaxially sleeved outside the inner hollow cylinder (61); and an outer positioning spring (64) is connected between the outer hollow cylinder (63) and the inner hollow cylinder (61); An internal thread block (65) is coaxially fixedly installed in the outer hollow cylinder (63), and the internal thread block (65) and the threaded rod (343) are threadedly assembled; The die-casting mold (2) is provided with two pre-positioning holes (66), the positions of the two pre-positioning holes (66) are perpendicular to each other and are distributed correspondingly to the two outer hollow cylinders (63), and the outer hollow cylinders (63) are movable to engage with the pre-positioning holes (66).

2. A die-casting mold frame with high adaptability as claimed in claim 1, characterized in that: A plurality of positioning pins (31) are arranged horizontally at equal intervals on the Wantong mold frame (1), and a reset assembly (5) is installed on the Wantong mold frame (1) to maintain the positioning pins (31) in a stable position in the outer direction of the horizontal row after they are separated from the moving frame (33).

3. A die-casting mold frame with high adaptability as claimed in claim 2, characterized in that: The reset assembly (5) comprises a hollow disc (51) fixedly sleeved on the positioning pin shaft (31) and slidably mounted in the Wantong mold frame (1), and a reset spring (52) is connected between the hollow disc (51) and the Wantong mold frame (1).

4. A die-casting mold frame with high adaptability as claimed in claim 1, characterized in that: The die-casting mold (2) is provided with a heat dissipation component which assists heat escape after being assembled with the Wantong mold frame (1).

5. A die-casting mold frame with high adaptability as claimed in claim 4, characterized in that: The heat dissipation component comprises a heat collection cavity (21) arranged in the die-casting mold (2); the four side walls of the die-casting mold (2) are provided with a plurality of heat dissipation holes (22) at equal intervals; the heat dissipation holes (22) are interconnected with the heat collection cavity (21) and the positioning pin holes (35); a heat dissipation channel (23) corresponding to the heat dissipation hole (22) is formed through the positioning pin shaft (31); and a heat conductive inner layer (24) is embedded in the heat dissipation channel (23).

6. A die-casting mold frame with high adaptability as claimed in claim 1, characterized in that: A magnetic attraction component is provided between the internal thread block (65) and the threaded rod (343) for autonomously controlling the resetting of the outer hollow cylinder (63) when the die-casting mold (2) is disassembled; The magnetic attraction component comprises a magnetic conductive ring (651) embedded in the internal thread block (65), an electromagnetic rod (652) embedded in the threaded rod (343), and the electromagnetic rod (652) is connected to the magnetic conductive ring (651) by magnetic attraction.

Images