Automatic mold stripping device

Abstract

The invention discloses an automatic mold stripping device, belongs to the technical field of mold equipment, and provides an automatic mold stripping device capable of rapidly forming a complex sand mold structure. The automatic mold stripping device comprises a base and a compaction mechanism, the base is connected with a lifting cabin through a lifter, and a plurality of retracting and releasing mechanisms are arranged on the side wall of the lifting cabin; each retracting and releasing mechanism is provided with a movable template, all the templates are located in the lifting cabin and can form a main mold cavity when approaching each other, the inner wall of the lifting cabin is fixedly connected with a partition plate, the center of the partition plate is provided with a base mold cavity penetrating through the upper surface and the lower surface, and the compaction mechanism comprises a fixedly-arranged rack and a linkage plate rotationally connected with the lifting cabin. According to the mold plate structure capable of being demolded in the radial direction of the molding sand mold in the motor shell, the probability of blocking and interference between the mold plate and the molding sand mold in the motor shell in the demolding process is effectively reduced, and therefore the molding sand mold in the motor shell can be made to be more complex, and the motor shell with a more complex inner wall structure is manufactured.

Description

Technical Field

[0001] The present application relates to the technical field of mold equipment, and in particular to an automatic mold leakage device. Background Art

[0002] The motor housing is mostly produced by casting. As the motor performance improves, the structure of the motor housing will become more complex. It not only has the heat dissipation rib structure commonly found on the outer side of the traditional motor housing, but also has an irregular structure with more sensors and electronic components. The traditional sand casting method is difficult to meet the needs of such a complex structure. It is necessary to change the original single parting surface into multiple parting surfaces, which increases the manufacturing cost.

[0003] On the other hand, the traditional method of compacting the molding sand is manual, time-consuming and laborious. The prior art also seeks for more efficient automatic compacting equipment. However, since the compacting structure is located above the sand mold part and is consistent with the demolding direction, it is easy to interfere with the sand mold part, affecting the smoothness of demolding. Summary of the invention

[0004] The purpose of the present application is to provide an automated mold leaking device that can quickly form a complex sand mold structure.

[0005] To achieve the above objectives, the present application provides an automated mold leakage device: comprising a base and a compacting mechanism, the base being connected to a lifting cabin through a lifter, the side walls of the lifting cabin being provided with a plurality of retracting and releasing mechanisms, each retracting and releasing mechanism having a movable template, all templates being located in the lifting cabin, and being able to form a main mold cavity when brought close to each other, the inner wall of the lifting cabin being fixedly connected with a partition, the center of the partition being provided with a seat mold cavity penetrating the upper and lower surfaces, being connected with the main mold cavity, the seat mold cavity and the main mold cavity being suitable for filling with molding sand, the compacting mechanism comprising a fixedly arranged frame, and a linkage plate rotatably connected to the lifting cabin, a movable frame being connected to the top of the frame, a force transmission rod being connected between the linkage plate and the movable frame, the lifting cabin driving the movable frame to rotate around the frame through the linkage plate and the force transmission rod, a pressure head being provided on the movable frame, suitable for compacting the molding sand in the seat mold cavity and the main mold cavity, to ensure the structural stability of the sand mold in the motor housing.

[0006] As a preferred embodiment, the inner wall of the lifting cabin is also fixedly connected with a plurality of guide rail frames, adjacent guide rail frames are mirror images of each other, and adjacent guide rail frames are suitable for cooperating with a template to reach a sliding pair; the retracting and extending mechanism includes a main retracting and extending mechanism and an auxiliary retracting and extending mechanism arranged at intervals, which are used to form a mold structure for manufacturing a sand mold inside a motor housing.

[0007] As a preferred embodiment, the main retracting and extending mechanism includes a first telescope fixedly connected to the outer side surface of the lifting cabin, the movable end of the first telescope is connected to a first push-pull rod through a traction frame, the end of the first push-pull rod extends into the lifting cabin and is fixedly connected to a first template through a first pressure plate, the side of the first template facing away from the first pressure plate is a first molding surface, and the first template is provided with a first molding surface; the auxiliary retracting and extending mechanism includes a second telescope fixedly connected to the outer side surface of the lifting cabin, the movable end of the second telescope is connected to a second push-pull rod through a traction plate, the end of the second push-pull rod extends into the lifting cabin and is fixedly connected to a second template through a second pressure plate, and the side of the second template facing away from the second pressure plate is provided with a second molding surface, which is used to form a complex structure on the outer side surface of the sand mold in the motor housing.

[0008] As a preferred embodiment, the guide rail frame includes a first baffle and a second baffle fixedly connected to the inner wall of the elevator cabin, the first baffle and the second baffle are both longitudinal, the side of the first baffle facing away from the second baffle has a first clamping plate, and the side of the second baffle facing away from the first baffle has a second clamping plate; the two opposite longitudinal side surfaces of the first pressure plate are provided with a first sliding groove, which is suitable for respectively cooperating with the two opposite first clamping plates to form a sliding pair, and the two opposite longitudinal side surfaces of the second pressure plate are provided with a second sliding groove, which is suitable for respectively cooperating with the two opposite second clamping plates to form a sliding pair, thereby further improving the stability of the template movement in the elevator cabin.

[0009] Preferably, the first template has a first ear plate on the side facing the first baffle, the upper surface of the first ear plate is flush with the upper end surface of the first template, and the side of the first template located between the first molding surface and the first ear plate is a fitting surface; the second template has a second ear plate on the side facing the second baffle, the upper surface of the second ear plate is flush with the upper end surface of the second template, and the side of the second template located between the second molding groove and the second ear plate is a sliding surface, which is suitable for fitting with the fitting surface to form a sliding pair, thereby ensuring that the inner wall of the main molding cavity is tightly fitted.

[0010] As a preferred embodiment, the upper end surfaces of the first baffle, the second baffle, the first template and the second template are all in contact with the lower end surface of the partition, and the lower end surfaces of the first baffle, the second baffle, the first template and the second template are flush; a through hole is provided on the side wall of the lifting cabin, and the lifting cabin is fixedly connected with a guide sleeve in the through hole, and the first push-pull rod and the second push-pull rod are suitable for passing through the through hole and cooperating with the guide sleeve to form a sliding pair, thereby improving the stability of the push-pull rod's translation process.

[0011] Preferably, the traction frame includes a cross handle fixedly connected to the movable end of the first telescope, and each of the main retracting and extending mechanisms has a plurality of first push-pull rods, and one end of these first push-pull rods located outside the lifting cabin is connected to the cross handle through a bridging ring, thereby reducing unnecessary materials, thereby reducing dead weight and achieving lightweight.

[0012] As a preferred embodiment, the frame includes a base, the upper surface of the base has a pair of legs, a through slot is formed between the two legs, the through slot passes through the base, the base is fixedly connected with a guide seat in the through slot, and is suitable for sliding connection with the lower end of the linkage plate, the upper surface of the linkage plate has a lower articulated frame, the movable frame includes a tail plate rotatably connected to the top of the legs, the side of the tail plate away from the lifting cabin has an upper articulated frame, the lower end of the force transmission rod is rotatably connected to the lower articulated frame via a lower articulated shaft, and the upper end of the force transmission rod is rotatably connected to the upper articulated frame via an upper articulated shaft, thereby ensuring the freedom of movement of the transmission components while taking into account the movement stability.

[0013] As a preferred embodiment, the bottom of the elevator cabin has an expansion hinge, which is suitable for being rotatably connected to the upper end of the linkage plate, and the lower end of the linkage plate is slidably connected to the guide seat through a sliding block, and the sliding block includes a sliding handle rotatably connected to the lower end of the linkage plate, and the lower end of the sliding handle has a sliding plate, and the upper surface of the guide seat is provided with a smooth groove, which is suitable for cooperating with the sliding plate to form a sliding pair, and the inner wall of the smooth groove also has a limiting plate, which is located above the sliding plate; the tail plate has a configuration plate on the side close to the elevator cabin, and the pressure head includes a longitudinally extending The longitudinal expander adopts a cylinder, and a mounting hole is provided on the configuration plate. The cylinder body of the longitudinal expander is fixed in the mounting hole. The end of the movable rod of the longitudinal expander is fixedly connected with a pressure plate, and the side of the support leg close to the lifting cabin is also fixedly connected with a support plate, which is suitable for holding the horizontal configuration plate; a sinking groove is also provided between the top surface of the partition and the inner wall of the seat mold cavity, and the inner diameter of the upper end of the sinking groove is larger than that of the lower end, so that the partition forms a funnel-shaped structure with a large upper opening and a small lower opening, forcing the loose molding sand to gather spontaneously to the middle.

[0014] As a preferred embodiment, the base includes a fixed table, the top of the fixed table has an embedded mold, which is suitable for sealing the lower open end of the main cavity, and the upper surface of the embedded mold is also provided with a sinking cavity, which is used to form a raised structure at the end of the sand mold in the motor housing, the outer side surface of the fixed table has an extension foot, the outer side surface of the lifting cabin has an extension plate, and the lifter adopts a hydraulic cylinder, including a matching telescopic rod and a cylinder barrel, the lower end of the cylinder barrel is fixedly connected to the upper surface of the extension foot, and the upper end of the telescopic rod is fixedly connected to the lower surface of the extension plate, so as to drive the lifting cabin to move relative to the base.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] (1) The template structure that can be demolded along the radial direction of the inner sand mold of the motor housing effectively reduces the probability of obstruction and interference between the template and the inner sand mold of the motor housing during the demolding process. Therefore, the inner sand mold of the motor housing can be made more complex to manufacture a motor housing with a more complex inner wall structure.

[0017] (2) By designing a lifting cabin structure that can move up and down, the mold leakage device can automatically separate the mold to remove the inner sand mold of the motor housing. In combination with a mechanism that can automatically compact the molding sand, the work efficiency of manufacturing complex inner sand molds is higher, the production speed of the inner sand mold of the motor housing is faster, and the time and material cost of manufacturing highly complex sand molds are effectively reduced;

[0018] (3) By setting a linkage structure between the lifting cabin and the compacting mechanism, during the demolding process, there is no obstruction above the inner sand mold, and no demolding interference will occur, so that the demolding process will be smoother, so that the mold leakage device takes into account both the high efficiency of the molding sand compaction and the smoothness of the demolding process;

[0019] (4) This design sets up multiple guide structures on the side wall of the lift cabin, which makes the separation and combination of the template smoother, the working accuracy and stability higher, and the output consistency of the inner sand mold of the motor housing can be maintained well. In addition, the structure of this design is relatively simple, the failure rate is relatively low, and it is easy to use and maintain, so the cost of use is also relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the first stereoscopic schematic diagram of the overall structure of the automatic mold leakage device.

[0021] Figure 2 It is the second stereoscopic schematic diagram of the overall structure of the automated mold leaking device.

[0022] Figure 3 For the automatic mold leakage device Figure 2 Schematic diagram of the three-dimensional structure after removing the main part of the compacting mechanism.

[0023] Figure 4 For the automatic mold leakage device Figure 3 Schematic diagram of the three-dimensional structure after removing the partition.

[0024] Figure 5 The present invention is a top view of the configuration of the retracting and extending mechanism of the automated mold leaking device on the lifting cabin.

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the first template and the guide rail frame of the automatic mold leakage device.

[0026] Figure 7 It is a first three-dimensional structural schematic diagram of the main retractable mechanism of the automated mold leaking device.

[0027] Figure 8 It is a second three-dimensional structural schematic diagram of the main retractable mechanism of the automated mold leakage device.

[0028] Fig. 9 It is a schematic diagram of the three-dimensional structure of the cooperation between the second template and the guide rail frame of the automatic mold leakage device.

[0029] Fig.10 It is a first three-dimensional structural schematic diagram of the auxiliary retracting and releasing mechanism of the automatic mold leakage device.

[0030] Fig.11 It is a second three-dimensional structural schematic diagram of the auxiliary retracting and releasing mechanism of the automatic mold leakage device.

[0031] Fig.12 It is a first three-dimensional structural schematic diagram of the lifting cabin of the automated mold leakage device.

[0032] Fig.13 It is a three-dimensional structural cross-sectional view of the lifting cabin of the automated mold leakage device.

[0033] Fig.14 It is a second three-dimensional structural schematic diagram of the lifting cabin of the automated mold leakage device.

[0034] Fig.15 It is a schematic diagram of the three-dimensional structure of the partition of the automatic mold leakage device.

[0035] Fig.16 The present invention is a schematic diagram of the three-dimensional structure of the lifter of the automatic mold leakage device configured on the base.

[0036] Fig.17 It is a schematic diagram of the three-dimensional structure of the compacting mechanism of the automated mold leaking device.

[0037] Fig.18 The figure is a schematic diagram of the connection relationship of the transmission components of the compacting mechanism of the automatic mold leaking device.

[0038] Fig.19 It is a schematic diagram of the three-dimensional structure of the movable frame of the automatic mold leakage device.

[0039] Fig. 20 It is a schematic diagram of the three-dimensional structure of the linkage plate and the sliding block of the automatic mold leakage device.

[0040] In the figure: 1, compacting mechanism; 110, linkage plate; 111, lower articulated frame; 120, guide seat; 121, smooth groove; 122, limit plate; 130, force transmission rod; 131, lower articulated shaft; 132, upper articulated shaft; 140, movable frame; 141, tail plate; 142, upper articulated frame; 143, configuration plate; 144, mounting hole; 150, frame; 151, base; 152, outrigger; 153 , through slot; 154, support plate; 160, pressure head; 161, longitudinal expander; 162, pressure plate; 170, sliding block; 171, sliding handle; 172, slide plate; 2, lift cabin; 210, partition; 211, seat mold cavity; 212, sinking groove; 220, guide rail frame; 221, first baffle; 222, first clamping plate; 223, second baffle; 224, second clamping plate; 203, through hole; 204, Extension plate; 205, guide sleeve; 206, expansion hinge; 3, base; 301, fixed platform; 302, extension foot; 303, embedded mold; 304, sinking cavity; 4, lifter; 401, telescopic rod; 402, cylinder; 5, main retractable mechanism; 501, first telescopic device; 520, traction frame; 521, cross handle; 522, bridge ring; 503, first push-pull rod; 504, first pressure plate; 5 14. First slide groove; 550. First template; 551. First profile; 552. First profile groove; 553. Fitting surface; 554. First ear plate; 6. Auxiliary retractable mechanism; 601. Second telescopic device; 602. Pulling plate; 603. Second push-pull rod; 604. Second pressure plate; 614. Second slide groove; 650. Second template; 651. Second profile groove; 652. Sliding surface; 653. Second ear plate. DETAILED DESCRIPTION

[0041] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0042] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0043] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0044] The terms "including" and "having" and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0045] like Figure 1-20 The automated mold leaking device shown includes a fixed base 3, which is connected to a lift cabin 2 via a lifter 4. Because the lift cabin 2 and the structure connected thereto require a relatively large driving force, the lifter 4 usually adopts a hydraulic cylinder structure. The side walls of the lift cabin 2 are provided with a number of retractable mechanisms. The lift cabin 2 is generally in the shape of a regular polygonal prism. This embodiment adopts a regular octagonal prism, which is composed of four wide sides and four narrow sides. The wide and narrow sides are arranged at intervals, and the angle between the connected wide and narrow sides is 135°. Each retractable mechanism has a movable template, and all the templates are located in the lift cabin 2, and when they are brought close to each other, the inner sides of all the templates will form a main cavity. The main cavity is generally cylindrical and surrounds the outer side of the inner membrane of the motor, but the inner wall of the main cavity has a concave structure, and a convex ridge structure may be required to form an irregular shape on the surface of the inner mold of the motor. The specific structure of the base 3 includes a fixed table 301, and the top center of the fixed table 301 It has an embedded mold 303, the cross-sectional area of ​​which is smaller than the upper end surface of the fixed platform 301, and is used to block the lower open end of the main cavity. The upper surface of the embedded mold 303 is also provided with a sinking cavity 304, which is used to form a convex structure on the end surface of the motor inner mold. The outer side surface of the fixed platform 301 has an extension foot 302, and the extension foot 302 is located at the lower end of the fixed platform 301. The outer side surface of the lifting cabin 2 has an extension plate 204, and the lifting cabin 2 is no longer installed with other structures under the extension plate 204 to avoid movement interference. The lifter 4 using a hydraulic cylinder includes a telescopic rod 401 and a cylinder barrel 402 that cooperate with each other. The lower end of the telescopic rod 401 is inserted into the cylinder barrel 402, and the lower end of the cylinder barrel 402 will be fixedly connected to the upper surface of the extension foot 302, and the upper end of the telescopic rod 401 is fixedly connected to the lower surface of the extension plate 204. There are at least three lifters 4. In this embodiment, four are provided, which are arranged equidistantly around the fixed platform 301.

[0046] A compacting mechanism (1) is also arranged beside the lift cabin 2 and the base 3, which can realize automatic compaction of the molding sand. The compacting mechanism (1) includes a fixed frame (150), the bottom surface of the frame 150 and the bottom surface of the base 3 are usually fixed on the same supporting surface, the compacting mechanism 1 also includes a linkage plate (110) rotatably connected to the lift cabin (2), the bottom of the lift cabin (2) has an expansion hinge (206) for being rotatably connected to the upper end of the linkage plate (110), the top of the frame (150) is connected to a movable frame (140), a force transmission rod (130) is also connected between the linkage plate (110) and the movable frame (140), and the lift cabin (2) is connected to the movable frame (140) through the linkage plate (110) and the force transmission rod ( The movable frame (140) is driven by the movable frame (130) to rotate around the frame (150). The movable frame (140) is provided with a pressure head (160) for directly contacting the molding sand and pressing the molding sand in the seat mold cavity (211) and the main mold cavity into a specific shape. The specific structure of the frame (150) includes a base (151). The upper surface of the base (151) has a pair of legs (152). A through groove (153) is formed between the two legs (152) for the force transmission rod 130 to pass through. The through groove (153) also passes through the base (151). The base (151) is fixedly connected with a horizontal guide seat (120) in the through groove (153) for connecting with the linkage plate (11 0), thereby limiting the degree of freedom of the lower end of the linkage plate 110. The lower end of the linkage plate (110) is generally slidably connected to the guide seat (120) through a sliding block (170). The sliding block (170) includes a sliding handle (171) rotatably connected to the lower end of the linkage plate (110). The lower end of the sliding handle (171) has a slide plate (172). The upper surface of the guide seat (120) is provided with a corresponding smooth groove (121) for cooperating with the slide plate (172) to form a sliding pair. The inner wall of the smooth groove (121) also has a limiting plate (122) located above the slide plate (172), thereby preventing the slide plate 172 from escaping from the smooth groove 121 when subjected to an upward pulling force. The upper surface of the linkage plate (110) is provided with a lower hinge frame (111); the movable frame (140) includes a tail plate (141) rotatably connected to the top of the support leg (152); the two sides of the tail plate 141 are located on the two sides of the support leg 152; the side of the tail plate (141) away from the elevator cabin (2) is provided with an upper hinge frame (142); the lower end of the force transmission rod (130) is rotatably connected to the lower hinge frame (111) through a lower hinge shaft (131); the upper end of the force transmission rod (130) is rotatably connected to the upper hinge frame (142) through an upper hinge shaft (132) to form a connecting rod structure; the other side of the tail plate (141) is close to the elevator cabin (2) and has a wider configuration plate (143);The pressure head (160) includes a longitudinal expander (161). The longitudinal expander (161) adopts a lightweight cylinder that can expand and contract quickly and can also generate a large impact force on the molding sand. The configuration plate (143) is provided with a mounting hole (144). The cylinder body of the longitudinal expander (161) is fixed in the mounting hole (144). The end of the movable rod of the longitudinal expander (161) is fixedly connected with a pressure plate (162). When the configuration plate 143 is in a horizontal position, the end of the movable rod of the longitudinal expander 161 faces downward, and the pressure plate 162 located at the lower end of the movable rod is also in a horizontal position. The support leg (152) is also fixedly connected with a support plate (154) on one side close to the lifting cabin (2) for supporting the horizontal configuration plate (143). It can not only constrain the configuration plate 143 in the horizontal direction, but also provide additional support to ensure the stability of the position of the configuration plate 143 when it is subjected to force.

[0047] A through hole 203 is provided on the side wall of the lift cabin 2, and the axis of the through hole 203 is horizontal. A guide sleeve 205 is fixedly connected to the lift cabin 2 in the through hole 203 to enhance the structural strength of the side wall of the lift cabin 2 around the through hole 203. A plurality of guide rail frames 220 are also fixedly connected to the inner wall of the lift cabin 2. The guide rail frames 220 are located at the corners of the inner wall of the lift cabin 2. There are eight guide rail frames 220 in total, and adjacent guide rail frames 220 are mirror images of each other, and adjacent guide rail frames 220 can cooperate with a template to reach the sliding pair. In fact, the retractable mechanism includes a main retractable mechanism 5 and a secondary retractable mechanism 6 arranged at intervals. The main retractable mechanism 5 is a main retractable mechanism 5 and a secondary retractable mechanism 6 are arranged at intervals. The size of the mechanism 5 is slightly larger, and the secondary retractable mechanism 6 is slightly smaller. The main retractable mechanism 5 includes a first telescopic device 501 fixedly connected to the outer side of the lift cabin 2. Generally, a hydraulic cylinder with a large extrusion force is used to keep a stable pressure in the main cavity. The movable end of the first telescopic device 501 can only move in the opposite direction of the horizontal direction. It can be connected to a first push-pull rod 503 through a traction frame 520. The length direction of the first push-pull rod 503 is parallel to the movement direction of the movable end of the first telescopic device 501. The specific structure of the traction frame 520 includes a cross handle 521 fixedly connected to the movable end of the first telescopic device 501. Each main retractable mechanism 5 has a plurality of first push-pull rods 503, and one end of these first push-pull rods 503 outside the lift cabin 2 is connected to the cross handle 521 through a bridging ring 522, so that the entire traction frame 520 can reduce consumables and reduce deadweight as much as possible to achieve lightweight while ensuring sufficient structural stability. The first push-pull rods 503 need to pass through the through hole 203 and cooperate with the guide sleeve 205 to form a sliding pair, thereby ensuring the smoothness of the first push-pull rods 503 when they move relative to the lift cabin 2. The end of the first push-pull rod 503 extends to the lift cabin 2. A first template 550 is fixedly connected inside and through the first pressure plate 504. There are four first templates 550 with the same specifications. The side of the first template 550 facing away from the first pressure plate 504 is a first molding surface 551. The first molding surface 551 is an arc surface with a vertical axis. The first template 550 is provided with a first molding groove 552 in the first molding surface 551 for forming a raised structure of the inner mold of the motor housing. It should be noted that the first molding groove 552 cannot be blocked or interfered with along the radial direction of the first molding surface 551, so as to ensure the integrity of the inner sand mold of the motor during demolding.

[0048] The structure of the auxiliary retractable mechanism 6 is similar to that of the main retractable mechanism 5, and also includes a second telescopic device 601 fixedly connected to the outer side of the elevator cabin 2. In this embodiment, the first telescopic device 501 of the main retractable mechanism 5 with a larger size is fixed to the wider outer side of the elevator cabin 2, and the second telescopic device 601 of the auxiliary retractable mechanism 6 with a smaller size is fixedly connected to the narrower outer side of the elevator cabin 2. The movable end of the second telescopic device 601 is connected to the second push-pull rod 603 through the traction plate 602. The length direction of the second push-pull rod 603 is also consistent with the telescopic direction of the movable end of the second telescopic device 601, and both are in In the horizontal plane, the second push-pull rod 603 also needs to pass through the through hole 203 and cooperate with the guide sleeve 205 to form a sliding pair, so that the stability of the second push-pull rod 603 can be well guaranteed. The end of the second push-pull rod 603 extends into the elevator cabin 2 and is fixedly connected to the second template 650 through the second pressure plate 604. There are also four second templates 650, and the size is slightly smaller than the first template 550. The second template 650 is provided with a second groove 651 on the side facing away from the second pressure plate 604, which is used to form a raised structure on the outer surface of the inner sand mold of the motor. Interference is also not allowed along the demolding direction.

[0049] The guide rail frame 220 includes a first baffle plate 221 and a second baffle plate 223 fixedly connected to the inner wall of the lift cabin 2. The first baffle plate 221 and the second baffle plate 223 are an integrated structure and can be fixedly connected to the inner wall of the lift cabin 2 by welding or using a connecting piece. The first baffle plate 221 and the second baffle plate 223 are both flat plates and are in the longitudinal direction, that is, in the vertical direction. The side of the first baffle plate 221 facing away from the second baffle plate 223 has a first clamping plate 222 extending in the horizontal direction, and the side of the second baffle plate 223 facing away from the first baffle plate 221 has a second clamping plate 222 extending in the horizontal direction. The first pressure plate 504 has two back-to-back longitudinal side surfaces with first slide grooves 514 for respectively cooperating with the two opposite first slide plates 222 to form a sliding pair, and the second pressure plate 604 has two back-to-back longitudinal side surfaces with second slide grooves 614 for respectively cooperating with the two opposite second slide plates 224 to form a sliding pair, further improving the stability of the mold opening and closing action. The first mold plate 550 has a first ear plate 554 on the side facing the first baffle 221. There are usually two first ear plates 554, which are arranged up and down, and the upper first ear plate 554 has a The upper surface is flush with the upper end surface of the first template 550, and the lower surface of the first ear plate 554 located below is flush with the lower end surface of the first template 550. The side of the first template 550 located between the first molding surface 551 and the first ear plate 554 is a fitting surface 553, and the two fitting surfaces 553 located on the same first template 550 are symmetrical to each other; the side of the second template 650 facing the second baffle 223 has a second ear plate 653, and the second ear plates 653 also have two, arranged up and down, wherein the upper surface of the second ear plate 653 on the upper side is flush with the second template 650 The upper end surface is flush with the upper end surface of the second template 650, and the lower surface of the second ear plate 653 located below is flush with the lower end surface of the second template 650. The side surface of the second template 650 located between the second groove 651 and the second ear plate 653 is a sliding surface 652. The two sliding surfaces 652 located on the same second template 650 are also symmetrical to each other, and are used to fit with the matching surfaces 553 in corresponding directions to form a sliding pair. Because the relative matching surfaces 553 of adjacent first templates 550 are longitudinally parallel, the second template 650 located between the relative matching surfaces 553 can slide in the horizontal direction.

[0050] The inner wall of the lift cabin 2 is fixedly connected with a partition 210, the top surface of the partition 210 is flush with the top surface of the lift cabin 2, the bottom surface of the partition 210 is a plane, the upper end surfaces of the first baffle 221, the second baffle 223, the first template 550 and the second template 650 are flush, and all fit with the lower end surface of the partition 210, the difference is that the first baffle 221 and the second baffle 223 are fixed relative to the partition 210, while the first template 550 and the second template 650 can move relative to the partition 210, and the lower end surfaces of the first baffle 221, the second baffle 223, the first template 550 and the second template 650 also need to be kept flush, and the center of the partition 210 has a seat mold cavity 211 that passes through the upper and lower surfaces, which is used to form a seat mold cavity with the electric The plate-like structure directly connected to the inner sand mold of the motor housing, the seat mold cavity 211 is connected to the main mold cavity, and the cross-sectional area of ​​the seat mold cavity 211 is significantly larger than the cross-sectional area of ​​the main mold cavity. The formed plate-like sand mold structure can connect the inner sand mold of the motor housing with the outer sand mold. The seat mold cavity 211 and the main mold cavity are suitable for filling with molding sand. After being pressed, the inner sand mold of the motor housing can be formed. In addition, an inverted truncated cone-shaped sinking groove (212) is provided between the top surface of the partition (210) and the inner wall of the seat mold cavity (211). The inner diameter of the upper end of the sinking groove (212) is larger than the inner diameter of the lower end, so that the partition 210 has the function of a funnel, which facilitates the loose molding sand to gather to the seat mold cavity 211 located in the middle part of the partition 210.

[0051] Working principle: When in use, all the lifters 4 first drive the lift cabin 2 to rise, and the inclination angle of the linkage plate 110 connected to the lift cabin 2 increases. The linkage plate 110 rotates the movable frame 140 from the inclined position to the horizontal position in contact with the support plate 154 through the force transmission rod 130. At this time, the longitudinal expansion device 161 reaches the vertical working position, and the lift cabin 2 reaches the upper limit position. Then, the first expansion device 501 and the second expansion device 601 are retracted, so that all the first templates 550 and the second templates 650 The molds are brought close to each other to form a main mold cavity, and the lower open end of the main mold cavity is finally completely blocked by the embedded mold 303. Then, the loose molding sand can be poured into the mold cavity surrounded by the partition 210, the template and the embedded mold 303 through the sinking groove 212 on the top of the lifting cabin 2, and the longitudinal expansion device 161 is started to drive the pressure plate 162 to press the molding sand in the mold cavity until the molding sand is flush with the upper edge of the seat mold cavity 211. The pressure plate 162 can stop moving up and down, and the longitudinal expansion device 161 provides a greater downward pressure to press the molding sand. The top surface of the formed sand mold is left to stand for a period of time, about ten seconds. The additional pressure can further improve the shape stability of the internal sand mold. After the sand mold is compacted to a suitable degree, the pressure plate 162 is lifted, and the first retractor 501 and the second retractor 601 are extended to make the templates move away from each other and detach from the outside of the internal sand mold. When the space between the templates is large enough to allow the fixed platform 301 to pass through, all the lifters 4 are contracted synchronously, and the height of the lift cabin 2 is lowered. At the same time, the inclination angle of the linkage plate 110 is reduced under the drive of the lift cabin 2. The configuration plate 143 of the movable frame 140 is lifted upward from the horizontal position through the force transmission rod 130, and the inner sand mold of the motor housing will leak out from the upper end of the lift cabin 2 without hitting the pressure plate 162 that is moving away. Then, the inner sand mold of the motor housing can be easily removed from the upper end of the embedded mold 303, and cooperate with the outer sand mold of the motor housing to form a complete sand mold, and the motor housing with a complex inner wall structure can be manufactured by casting molten metal.

[0052] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An automated mold leaking device, characterized in that: The invention comprises a base (3) and a compacting mechanism (1), wherein the base (3) is connected to a lifting cabin (2) via a lifter (4), a plurality of retracting and extending mechanisms are arranged on the side wall of the lifting cabin (2), each retracting and extending mechanism has a movable template, all the templates are located in the lifting cabin (2), and can form a main mold cavity when they are brought close to each other, a partition (210) is fixedly connected to the inner wall of the lifting cabin (2), a seat mold cavity (211) penetrating the upper and lower surfaces is arranged in the center of the partition (210), and is connected to the main mold cavity, the seat mold cavity (211) and the main mold cavity are suitable for filling molding sand, and a detachable pressure cover (1) is arranged on the upper end of the lifting cabin (2) for filling the mold sand. The molding sand entering the main mold cavity is compacted. The compacting mechanism (1) comprises a fixed frame (150) and a linkage plate (110) rotatably connected to the lifting cabin (2). The top of the frame (150) is connected to a movable frame (140). A force transmission rod (130) is connected between the linkage plate (110) and the movable frame (140). The lifting cabin (2) drives the movable frame (140) to rotate around the frame (150) through the linkage plate (110) and the force transmission rod (130). The movable frame (140) is provided with a pressure head (160) suitable for compacting the molding sand in the seat mold cavity (211) and the main mold cavity.

2. The automatic mold leakage device according to claim 1, characterized in that: The inner wall of the lift cabin (2) is also fixedly connected with a plurality of guide rail frames (220), adjacent guide rail frames (220) are mirror images of each other, and adjacent guide rail frames (220) are suitable for cooperating with a template to reach a sliding pair; the retracting and releasing mechanism comprises a main retracting and releasing mechanism (5) and a secondary retracting and releasing mechanism (6) arranged at intervals.

3. The automatic mold leakage device according to claim 2, characterized in that: The main retractable mechanism (5) comprises a first telescopic device (501) fixedly connected to the outer side of the lift cabin (2); the movable end of the first telescopic device (501) is connected to a first push-pull rod (503) via a traction frame (520); the end of the first push-pull rod (503) extends into the lift cabin (2) and is fixedly connected to a first template (550) via a first pressure plate (504); the side of the first template (550) facing away from the first pressure plate (504) is a first profile (551); the first template (550) is 51) is provided with a first groove (552); the auxiliary retracting and extending mechanism (6) includes a second telescopic device (601) fixedly connected to the outer side surface of the lifting cabin (2), the movable end of the second telescopic device (601) is connected to a second push-pull rod (603) through a traction plate (602), the end of the second push-pull rod (603) extends into the lifting cabin (2) and is fixedly connected to a second template (650) through a second pressure plate (604), and the side of the second template (650) facing away from the second pressure plate (604) is provided with a second groove (651).

4. The automatic mold leakage device according to claim 3, characterized in that: The guide rail frame (220) includes a first baffle (221) and a second baffle (223) fixedly connected to the inner wall of the elevator cabin (2); the first baffle (221) and the second baffle (223) are both longitudinal; the first baffle (221) has a first clamping plate (222) on the side facing away from the second baffle (223); the second baffle (223) has a second clamping plate (224) on the side facing away from the first baffle (221); the first pressure plate (504) has two opposite longitudinal side surfaces with first slide grooves (514) suitable for respectively cooperating with the two opposite first clamping plates (222) to form a sliding pair; the second pressure plate (604) has two opposite longitudinal side surfaces with second slide grooves (614) suitable for respectively cooperating with the two opposite second clamping plates (224) to form a sliding pair.

5. The automatic mold leakage device according to claim 4, characterized in that: The first template (550) has a first ear plate (554) on the side facing the first baffle (221), the upper surface of the first ear plate (554) is flush with the upper end surface of the first template (550), and the side of the first template (550) located between the first molding surface (551) and the first ear plate (554) is a fitting surface (553); the second template (650) has a second ear plate (653) on the side facing the second baffle (223), the upper surface of the second ear plate (653) is flush with the upper end surface of the second template (650), and the side of the second template (650) located between the second molding groove (651) and the second ear plate (653) is a sliding surface (652), which is suitable for fitting with the fitting surface (553) to form a sliding pair.

6. The automatic mold leakage device according to claim 5, characterized in that: The upper end surfaces of the first baffle (221), the second baffle (223), the first template (550) and the second template (650) are all in contact with the lower end surface of the partition (210), and the lower end surfaces of the first baffle (221), the second baffle (223), the first template (550) and the second template (650) are flush; a through hole (203) is provided on the side wall of the lift cabin (2), and a guide sleeve (205) is fixedly connected to the lift cabin (2) in the through hole (203); the first push-pull rod (503) and the second push-pull rod (603) are both suitable for passing through the through hole (203) and cooperating with the guide sleeve (205) to form a sliding pair.

7. The automatic mold leakage device according to claim 6, characterized in that: The traction frame (520) comprises a cross handle (521) fixedly connected to the movable end of the first telescopic device (501), and each of the main retractable and retractable mechanisms (5) has a plurality of first push-pull rods (503), and one end of the first push-pull rods (503) located outside the elevator cabin (2) is connected to the cross handle (521) via a bridging ring (522).

8. The automatic mold leakage device according to any one of claims 1 to 7, characterized in that: The frame (150) comprises a base (151), the upper surface of the base (151) has a pair of legs (152), a through slot (153) is formed between the two legs (152), the through slot (153) passes through the base (151), the base (151) is fixedly connected with a guide seat (120) in the through slot (153), and is suitable for being slidably connected with the lower end of the linkage plate (110), and the upper surface of the linkage plate (110) has a lower An articulated frame (111), the movable frame (140) includes a tail plate (141) rotatably connected to the top of the support leg (152), the tail plate (141) has an upper articulated frame (142) on the side away from the elevator cabin (2), the lower end of the force transmission rod (130) is rotatably connected to the lower articulated frame (111) through a lower articulated shaft (131), and the upper end of the force transmission rod (130) is rotatably connected to the upper articulated frame (142) through an upper articulated shaft (132).

9. The automatic mold leakage device according to claim 8, characterized in that: The bottom of the lift cabin (2) has an expansion hinge (206) suitable for being rotatably connected to the upper end of the linkage plate (110); the lower end of the linkage plate (110) is slidably connected to the guide seat (120) through a sliding block (170); the sliding block (170) includes a sliding handle (171) rotatably connected to the lower end of the linkage plate (110); the lower end of the sliding handle (171) has a sliding plate (172); the upper surface of the guide seat (120) is provided with a smooth groove (121) suitable for cooperating with the sliding plate (172) to form a sliding pair; the inner wall of the smooth groove (121) also has a limiting plate (122) located above the sliding plate (172); the tail plate (141) is close to the side of the lift cabin (2) It has a configuration plate (143), the pressure head (160) includes a longitudinal expander (161), the longitudinal expander (161) adopts a cylinder, the configuration plate (143) is provided with a mounting hole (144), the cylinder body of the longitudinal expander (161) is fixed in the mounting hole (144), the movable rod end of the longitudinal expander (161) is fixedly connected with a pressure plate (162), and the side of the support leg (152) close to the lifting cabin (2) is also fixedly connected with a support plate (154), which is suitable for supporting the horizontal configuration plate (143); a sinking groove (212) is also provided between the top surface of the partition (210) and the inner wall of the seat mold cavity (211), and the upper end inner diameter of the sinking groove (212) is larger than the lower end inner diameter.

10. The automatic mold leakage device according to any one of claims 1 to 7, characterized in that: The base (3) comprises a fixed platform (301), the top of the fixed platform (301) is provided with an embedded mold (303) suitable for blocking the lower open end of the main cavity, the upper surface of the embedded mold (303) is also provided with a sinking cavity (304), the outer side surface of the fixed platform (301) is provided with an extension foot (302), the outer side surface of the lifting cabin (2) is provided with an extension plate (204), the lifter (4) adopts a cylinder, comprising a matching telescopic rod (401) and a cylinder barrel (402), the lower end of the cylinder barrel (402) is fixedly connected to the upper surface of the extension foot (302), and the The upper end of the telescopic rod (401) is fixedly connected to the lower surface of the extension plate (204). The pressure cover (1) includes an inner pressure plate (101), which is suitable for being placed on the partition (210). The outer side surface of the inner pressure plate (101) is suitable for fitting with the inner wall of the elevator cabin (2). One end of the pressure cover (1) has a limiting plate (102), and the outer side surface of the limiting plate (102) protrudes from the outer side surface of the elevator cabin (2). The pressure cover (1) is provided with an exhaust hole (103) that passes through the limiting plate (102) and the inner pressure plate (101).

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