Forming mechanism based on side wall inwards-concave structure of frame type die casting

Abstract

The invention discloses a forming mechanism based on a side wall inwards-concave structure of a frame type die casting, a sliding block comprises a body and a forming part located at the front end of the body, sliding grooves perpendicular to the extending direction of the body are formed in the two sides of the body, and a forming face of a concave-convex structure is arranged on the end face of the forming part; the connecting arm is matched with the sliding groove, the connecting arm is located in the sliding groove and slides along the sliding groove, a tunnel hole is formed in the sliding way seat, and the body is arranged in the tunnel hole; the driving steering of the transmission rod to the sliding block is realized through the matching of the connecting arm and the sliding chute and the direction positioning of the slideway seat, so that the sliding block is switched between a die-casting state and a core-pulling state, the switching of azimuth angles can be realized in a narrow and compact space, the core-pulling stroke is shortened, and the forming of a side wall inward concave structure of the frame type die casting is completed.

Description

Technical Field

[0001] The invention relates to the technical field of die casting, in particular to a molding mechanism based on a side wall concave structure of a frame-type die casting. Background Art

[0002] In the die-casting process, the core pulling structure is one of the key technologies to achieve the molding of complex-shaped die-castings. For die-castings with concave sidewall structures, the traditional core pulling structure often cannot meet their molding requirements. The core pulling of the concave sidewall structure needs to solve the problems of difficult demolding, easy damage to the mold, and affecting production efficiency. However, for the concave sidewall structure of frame-type die-castings, its core pulling faces more special challenges, such as the space limitation of the frame structure, the depth and angle changes of the concave sidewall, etc., which make the general core pulling structure difficult to apply.

[0003] Patent document CN119237706A discloses a mold with a mother-and-child core-pulling structure, including a mold body and a mother-and-child core-pulling mechanism, wherein the mother-and-child core-pulling mechanism includes a mother mold group and a child mold group. The mother mold group includes a child mounting seat, a mother drive assembly and a mother core, and the child mold group includes a child drive member and a child core. The mother mold group and the child mold group work together to achieve core pulling actions in different directions, without the need for multiple sets of core pulling mechanisms or machining, thereby improving production efficiency. Although the mother-and-child core-pulling structure of this patent can achieve core pulling in different directions, for the concave structure of the side wall of the frame-type die-casting, its complex internal space and multi-directional core pulling requirements may be difficult to meet through simple mother-and-child collaboration.

[0004] The CN218050260U patent document discloses an oblique core-pulling mechanism including a core-pulling cylinder and a driving block, wherein the driving block is provided with an inclined convex strip; the inserting needle includes a needle inserting body and a needle inserting head which are separately arranged, wherein one end of the needle inserting body is provided with a slide groove, and the other end is detachably connected to the needle inserting head, the convex strip is movably arranged in the slide groove, and the driving block can drive the inserting needle to telescopically move. The oblique core-pulling mechanism is suitable for the forming of general side recesses or side holes, but for the side wall concave structure of the frame-type die-casting, the inserting needle head will be subjected to excessive pressure when in contact with the aluminum liquid, and the die-casting is difficult to complete and the inserting needle head is extremely easy to be damaged, thereby making it difficult to complete the subsequent smooth core pulling.

[0005] Patent document CN118832135A discloses a core pulling structure of a die casting mold, including a die casting mold cavity, a die casting product in the mold cavity, an upper core pulling mechanism A and a lower core pulling mechanism B respectively connected on the side and front of the product, the upper core pulling mechanism A has a limiting protrusion on the side, and the lower core pulling mechanism B has a matching limiting groove on the side, and the two are nested and connected. This double-layer core pulling anti-retraction structure is suitable for products with different ejection direction characteristics in the upper and lower layers, but for the concave side wall structure of the frame-type die casting, the movement direction and limiting design of the upper and lower core pulling mechanisms may not be able to adapt to the complex concave shape of the frame structure. In particular, when the concave side wall structure is distributed on different sides of the frame and in different directions, this simple upper and lower nested connection method is difficult to achieve accurate core pulling action, and it is easy to cause problems such as inadequate core pulling or excessive core pulling. Summary of the invention

[0006] In view of this, the technical problem to be solved by the present invention is to provide a molding mechanism based on the concave structure of the side wall of the frame-type die casting, which can offset the pressure of part of the contact part during die casting and can smoothly complete the core pulling.

[0007] The technical solution adopted by the present invention to solve the above technical problems is: a molding mechanism based on the side wall concave structure of a frame-type die casting, comprising a transmission rod, a slide seat and a slider; the transmission rod comprises a base and two parallel and spaced connecting arms located at the front end of the base; the slider comprises a body and a molding part located at the front end of the body, and slide grooves matching the connecting arms are provided on both sides of the body, and the connecting arms are located in the slide grooves and slide along the slide grooves; The first direction, the second direction and the third direction are three directions in a two-dimensional space, the base extends along the first direction, the connecting arm and the slide groove extend along the second direction, the body extends along the third direction, the first direction and the second direction intersect at an obtuse angle, and the second direction is perpendicular to the third direction; The slide seat is provided with a guide hole extending along a first direction and a tunnel hole extending along a third direction; the base is located in the guide hole, and the body is located in the tunnel hole; the connecting arm is located at the confluence groove of the guide hole and the tunnel hole; The transmission rod is driven to reciprocate linearly along the guide hole in a first direction, and the connecting arm drives the slider to reciprocate linearly along the tunnel hole in a third direction, so that the slider switches between the die-casting state and the core-pulling state; A supporting plane is provided at the end of the connecting arm, and a rear wall of the confluence groove is provided with an abutment surface matching the end of the connecting arm; the abutment surface and the supporting plane abut against each other, and are used to support the transmission rod and the slider when the transmission rod drives the slider to be in a die-casting state, thereby offsetting part of the instantaneous pressure during die-casting.

[0008] The technical solution adopted by the present invention to solve the above technical problem is: comprising an oil cylinder, a piston rod of the oil cylinder is connected to the transmission rod, and then the transmission rod is driven by the action of the oil cylinder.

[0009] The technical solution adopted by the present invention to solve the above technical problems is: the molding portion includes a molding surface, the molding surface is a concave-convex structure and extends along a fourth direction, the fourth direction is the fourth direction of the two-dimensional space; the fourth direction and the third direction form an acute angle.

[0010] The technical solution adopted by the present invention to solve the above technical problems is: the supporting plane and the rear side surface of the base are located in the same plane; the guide hole wall supports the front side and rear side surface of the base and then, together with the abutment surface and the supporting plane, offsets part of the instantaneous pressure during die casting.

[0011] The technical solution adopted by the present invention to solve the above technical problems is: the end of the connecting arm includes a front bevel and a rear bevel, and the front bevel and the rear bevel intersect to form a tip; the end of the connecting arm is provided with a wear-resistant part, and the front bevel and the rear bevel are arranged on the wear-resistant part.

[0012] The technical solution adopted by the present invention to solve the above technical problems is: a cooling water channel is provided on the slider, and the cooling water channel is bent from the rear end of the body to the forming part, and the rear end of the body is provided with a water inlet and a water outlet of the cooling water channel.

[0013] The technical solution adopted by the present invention to solve the above technical problems is: a molding mechanism based on the side wall concave structure of a frame-type die casting, comprising an oil cylinder, a transmission rod, a slide seat and a slider; the transmission rod comprises a base and two parallel and spaced connecting arms located at the front end of the base; the base and the connecting arms extend at an obtuse angle; The piston rod of the oil cylinder is connected to the rear end of the base, and the transmission rod is driven by the action of the oil cylinder; The slider comprises a body and a forming part located at the front end of the body, the two sides of the body are provided with sliding grooves perpendicular to the extension direction thereof, and the end surface of the forming part is provided with a forming surface with a concave-convex structure; The connecting arm matches the slide slot, the connecting arm is located in the slide slot and slides along the slide slot, the slide seat is provided with a tunnel hole, and the body is arranged in the tunnel hole; The connecting arm, the slide groove and the slide seat cooperate to realize the driving and steering of the slider by the transmission rod. The transmission rod is driven to reciprocate linearly along the guide hole, and the connecting arm drives the slider to reciprocate linearly along the tunnel hole, so that the slider can switch between the die-casting state and the core pulling state.

[0014] The technical solution adopted by the present invention to solve the above technical problems is: the first direction, the second direction, the third direction and the fourth direction are four linear directions in a two-dimensional space; the base extends along the first direction, the connecting arm and the slide groove extend along the second direction, the main body, the forming part and the tunnel hole extend along the third direction, and the forming surface extends along the fourth direction; the first direction and the second direction intersect at an obtuse angle, the second direction is perpendicular to the third direction, and the fourth direction and the third direction form an acute angle.

[0015] The technical solution adopted by the present invention to solve the above technical problems is as follows: the slide seat is provided with a guide hole, the base is located in the guide hole, and the connecting arm is located in the confluence groove of the guide hole and the tunnel hole; the end of the connecting arm is provided with a support plane; the support plane and the rear side surface of the base are located in the same plane; the rear wall of the confluence groove is provided with a contact surface matching the end of the connecting arm; The guide hole wall supports the front and rear sides of the base, and together with the abutment surface and the support plane, supports the transmission rod and the slider when the transmission rod drives the slider to be in a die-casting state, thereby offsetting part of the instantaneous pressure during die-casting.

[0016] The technical solution adopted by the present invention to solve the above technical problems is: a cooling water channel is provided on the slider, and the cooling water channel is bent from the rear end of the body to the forming part, and the rear end of the body is provided with a water inlet and a water outlet of the cooling water channel.

[0017] Compared with the prior art, the advantages of the present invention are: the cooperation of the connecting arm and the slide groove and the directional positioning of the slide seat realize the driving and steering of the slider by the transmission rod, the transmission rod is driven to reciprocate linearly along the guide in a first direction, and the connecting arm drives the slider to reciprocate linearly along the tunnel hole in a third direction, so that the slider can switch between the die-casting state and the core pulling state, thereby realizing the switching of the azimuth angle in a small and compact space, shortening the core pulling stroke, and completing the molding of the concave structure of the side wall of the frame-type die-casting part. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described objects and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 A schematic diagram of a molding mechanism based on a side wall concave structure of a frame-type die casting Figure 1 ; Figure 2A schematic diagram of a molding mechanism based on a side wall concave structure of a frame-type die casting Figure 2 ; Figure 3 Schematic diagram of the internal structure of a molding mechanism based on the concave structure of the side wall of a frame-type die casting Figure 1 ; Figure 4 A molding mechanism based on the concave structure of the side wall of a frame-type die casting Figure 3 A partial enlarged view of Figure 5 It is a schematic diagram of the internal structure of a molding mechanism based on the concave structure of the side wall of a frame-type die casting; Figure 6 A molding mechanism based on the concave structure of the side wall of a frame-type die casting Figure 5 A partial enlarged view of Figure 7 It is an exploded view of a molding mechanism based on a side wall concave structure of a frame-type die casting; Figure 8 The invention relates to a molding mechanism based on the side wall concave structure of a frame-type die-casting and corresponding matching.

[0020] Reference numerals: Transmission rod 1; slide seat 2; slider 3; cylinder 4; guide baffle 5; body 31; forming portion 32; forming surface 34; slide groove 33; base 11; connecting arm 12; first direction Y1; second direction Y2; third direction Y3; fourth direction Y4; tunnel hole 21; guide hole 22; confluence groove 23; abutment surface 24; front inclined surface 122; support plane 121; oil groove S; cooling water flow channel L; wear-resistant portion K. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It will be appreciated by those skilled in the art that these descriptions are only illustrative and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0022] It should be noted that like reference numerals denote similar items in the following drawings, and thus, once an item is defined in one drawing, it will not be further defined or explained in the subsequent drawings.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or the directions or positional relationships in which the invention product is usually placed when in use, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. "First" and "second" are only for the purpose of making the description easier to understand, without any other directional meaning, and cannot be used as a limitation on the present invention.

[0024] like Figure 1 As shown, this embodiment provides a molding mechanism based on the concave structure of the side wall of the frame-type die casting, including a transmission rod 1, a slide seat 2 and a slider 3. The transmission rod 1 is connected to the slider 3, and the slide seat 2 supports, guides and limits the transmission rod 1 and the slider 3. The transmission rod 1 reciprocates linearly along its motion trajectory under the action of the driving structure. This movement is achieved by steering transmission through the special connection between the transmission rod 1 and the slider 3 and the limit of the slide seat 2, thereby driving the slider 3 to reciprocate linearly along another motion trajectory that is inconsistent with the motion direction of the transmission rod 1.

[0025] Specifically, Figure 6 As shown, the slider 3 includes a body 31 and a molding portion 32 located at the front end of the body 31, two sides of the body 31 are provided with sliding grooves 33, and the end surface of the molding portion 32 is provided with a molding surface 34 with a concave-convex structure. Figure 7 As shown, the transmission rod 1 includes a base 11 and two parallel and spaced connecting arms 12 located at the front end of the base 11. Figure 1-4 As shown, the connecting arm 12 matches the sliding groove 33 , and the connecting arm 12 is located in the sliding groove 33 and slides along the sliding groove 33 .

[0026] like Figure 4-6 As shown, the first direction Y1, the second direction Y2 and the third direction Y3 are three directions in a two-dimensional space.

[0027] like Figure 6 As shown, the base 11 extends along the first direction Y1, and the connecting arm 12 extends along the second direction Y2, and the base 11 and the connecting arm 12 extend at an obtuse angle. Figure 7-8 As shown, the slide seat 2 is provided with a tunnel hole 21, and the body 31 is provided in the tunnel hole 21. The tunnel hole 21 extends in the third direction Y3, which is consistent with the extension direction of the body 31 itself.

[0028] More preferably, if Figure 4-5As shown, a concave-convex molding surface 34 is provided on one side of the molding portion 32, and the molding surface 34 matches the concave structure of the side wall of the frame-type die casting. The molding surface 34 extends along the fourth direction Y4 based on the above two-dimensional space, and the fourth direction Y4 forms an acute angle with the third direction Y3.

[0029] During die-casting, the driving structure drives the transmission rod 1 to move toward the side close to the die-casting cavity, and the base 11 of the transmission rod 1 moves forward along a straight track in the first direction Y1. At the same time, the front side of the connecting arm 12 faces the front inner wall of the slide groove 33 of the slider 3 to form an extrusion and then move the position of the slider 3. Since the moving trajectory of the slider 3 is limited by the slide seat 2, it can only move toward one side of the die-casting cavity along a straight track in the third direction Y3. When the slider 3 moves toward one side of the die-casting cavity, the connecting arm 12 extends into the slide groove 33 along the slide groove 33, and the free sliding cooperation between the connecting arm 12 and the slide groove 33 ensures the realization of this driving steering. Finally, the molding part 32 enters the die-casting cavity to form a die-casting state.

[0030] When pulling the core, the driving mechanism drives the transmission rod 1 to move toward the side away from the die-casting cavity, and the base 11 of the transmission rod 1 retreats along a straight trajectory in the first direction Y1. At the same time, the rear side of the connecting arm 12 faces the rear inner wall of the slide groove 33 of the slider 3 to form an extrusion and then move the position of the slider 3. Since the movable trajectory of the slider 3 is limited by the slide seat 2, it can only retreat along a straight trajectory in the third direction Y3 toward the side away from the die-casting cavity. When the slider 3 retreats, the depth of the connecting arm 12 in the slide groove 33 decreases. Finally, the molding part 32 completely withdraws from the die-casting cavity to form a core pulling state. Then the product is ejected, and the driving structure further drives the transmission rod 1 to move toward the side close to the die-casting cavity to enter the next die-casting cycle.

[0031] In summary, the cooperation of the connecting arm 12 and the slide groove 33 and the directional positioning of the slide seat 2 realize the driving and steering of the transmission rod 1 to the slider 3. The transmission rod 1 is driven to reciprocate linearly along the guide hole 22 in the first direction Y1, and the connecting arm 12 drives the slider 3 to reciprocate linearly along the tunnel hole 21 in the third direction Y3, so that the slider 3 can switch between the die-casting state and the core-pulling state, thereby being able to switch the azimuth angle in a small and compact space, shorten the core-pulling stroke, and complete the molding of the side wall concave structure of the frame-type die-casting. The technical solution has good adaptability and can be adjusted according to different shapes and sizes of frame-type die-castings. For example, by changing the size or shape of the slide groove 33 and the connecting arm 12, it can adapt to the side wall concave structures of different depths and angles. This flexibility makes the present invention not only suitable for specific frame-type die-castings, but also can be widely used in the production of die-castings of other complex shapes, and has broad application prospects.

[0032] It should be noted that the connection arm 12 and the slide slot 33 may be arranged on one side, and the double-sided arrangement is only for making the force more uniform and the structure more stable.

[0033] Preferably, if Figure 1-3 As shown in FIGS. 7-8 , a guide hole 22 is provided in the slide seat 2, and the base 11 is located in the guide hole 22 and moves along the guide hole 22. It not only provides physical support for the precise movement of the transmission rod 1, but also ensures the stability and accuracy of the transmission rod 1 during the reciprocating process. The base 11 is located in the guide hole 22 and moves smoothly and stably along the guide hole 22. This design greatly reduces the friction and wear caused by the deviation of the motion trajectory, thereby extending the service life of the slider 3 and the guide hole 22.

[0034] In addition, the connecting arm 12 is placed in the confluence groove 23 of the guide hole 22 and the tunnel hole 21. This layout makes full use of the spatial structure to avoid air, ensuring the stability and reliability of the connecting arm 12 during the transmission process. In addition, as a key component of the transmission system, the stability and accuracy of the connecting arm 12 directly affect the performance of the entire system. By placing it in the confluence groove 23, it can more effectively resist external pressure and vibration, thereby ensuring the stability and durability of the transmission system.

[0035] Furthermore, if Figure 2 As shown, in the die-casting state, the front end of the connecting arm 12 exceeds the slide groove 33 and is located in the confluence groove 23, the end of the connecting arm 12 is provided with a support plane 121, and the slide seat 2 is provided with a support surface 24 matching the end of the connecting arm 12. This design not only ensures the tight fit between the connecting arm 12 and the slide seat 2 during die-casting, but also realizes effective mutual abutment through the support plane 121 provided at the end of the connecting arm 12 and the matching abutment surface 24 on the slide seat 2. The abutment surface 24 is located on the rear wall of the confluence groove 23, and together with the support plane 121, forms a stable support structure.

[0036] This support structure plays a vital role in the die-casting process. When the transmission rod 1 drives the slider 3 to enter the die-casting state, the close contact between the support plane 121 and the abutment surface 24 provides strong support for the transmission rod 1 and the slider 3. This support not only enhances the stability of the mold under high pressure, but also effectively offsets part of the instantaneous pressure generated during the die-casting process. This can not only reduce the pressure impact on the drive mechanism, but also help reduce the wear of the mold and extend the service life of the mold. More importantly, it ensures the quality and production efficiency of the die-casting.

[0037] In addition, in the die-casting state, the hole wall of the guide hole 22 also plays a key role in supporting the front and rear sides of the base 11. They work together with the abutment surface 24 and the support plane 121 to form a more stable support system. This system further enhances the pressure resistance of the mold during the die-casting process, allowing the mold to better cope with the challenges of high-pressure environments.

[0038] like Figure 4 , 6 As shown, in this embodiment, the angle between the first direction Y1 and the second direction Y2, i.e., the angle between the base 11 and the connecting arm 12, is 120 degrees. The third direction Y3 is perpendicular to the second direction Y2, i.e., the slide slot 33 is located at a vertical position of the body 31 of the slider 3. For example, in this embodiment, the active stroke of the transmission rod 1 is 30 mm, and the active stroke of the slider 3 only needs to be 15 mm.

[0039] like Figure 1-4 As shown, in this embodiment, the driving mechanism adopts a cylinder 4, and the piston rod of the cylinder 4 is connected to the rear end of the base 11, and then the transmission rod 1 is driven by the action of the cylinder 4. The projected area of ​​the molding surface 34 of the molding part 32 is 3.06cm 2 , the die-casting pressure of the molding surface 34 in the third direction Y3 is 2.24T. The mechanism resists the instantaneous impact of 2.24T by supporting the support plane 121 with the abutment surface 24 and supporting the base 11 with the wall of the guide hole 22. Through the decomposition of force, the mechanism needs to withstand a pressure impact of 1.12T in the first direction Y1. Due to the supporting effect, the force exerted by the slider 3 on the transmission rod 1 in the first direction Y1 is significantly less than 1.12T, so when the cylinder 4 adopts a thrust of 4.5T, it can fully meet the die-casting requirements.

[0040] Preferably, if Figure 4 , 6 As shown, the end design of the connecting arm 12 includes a front bevel 122 and a rear bevel structure, the rear bevel is a supporting plane 121, and the two surfaces intersect at a point to form a sharp tip. In the design of the slide seat 2, we innovatively design its abutment surface 24 as a bevel. This change complements the bevel design of the connecting arm 12, ensuring that the two can form a tighter fit when in contact, thereby significantly improving the guiding property of the connecting arm 12 during the sliding process, making its assembly and connection in complex environments smoother and more stable.

[0041] More importantly, the support plane 121 and the rear side of the base 11 are arranged on the same plane and extend along the first direction Y1, while the rear side and the front side of the base 11 are parallel. Such a layout enables the system to distribute the load more evenly when subjected to force, effectively disperses and absorbs the impact force generated during the movement, and further improves the stability and durability of the entire system. These seemingly simple geometric relationships actually contain profound meanings - it enables the impact force generated during the die-casting process to be transmitted along a more reasonable and dispersed path, forming effective mutual support with the support structure, and then being more effectively offset and absorbed, greatly reducing the risk of material fatigue and damage caused by impact. This design significantly reduces the maintenance frequency and replacement cost of the mold, reduces production downtime caused by mold repairs, and thus further reduces production costs.

[0042] Furthermore, if Figure 3 As shown, in order to enhance the durability and service life of the connecting arm 12, a wear-resistant portion K is specially provided at the end of the connecting arm 12, and the front bevel 122 and the rear bevel are cleverly provided on the wear-resistant portion. The wear-resistant portion is made of a special material with high strength and low friction coefficient, which effectively resists long-term wear and ensures the stability and precision of the connecting arm 12 in high-frequency and high-load operations.

[0043] like Figure 4-6 As shown, the surfaces of the slider 3 and the transmission rod 1 are provided with criss-cross oil grooves S. The setting of the oil grooves S can not only reduce friction and make the movement of the transmission rod 1 and the slider 3 smoother, but also avoid and ensure the smooth discharge of die-casting waste, thereby ensuring the smooth progress of die-casting.

[0044] The layout of the oil groove S ensures that the lubricating oil can evenly and fully cover the sliding contact surface, thereby effectively reducing the friction resistance between the slider 3 and the transmission rod 1, making the transmission rod 1 smoother and more unobstructed when driving the slider 3 to reciprocate, reducing energy consumption and improving the response speed of the overall system. At the same time, the oil groove S also serves as a natural chip removal channel, which guides the fine metal chips and other impurities generated during the die-casting process to be smoothly discharged from the working area, effectively avoiding the blockage and wear of these die-casting wastes on the sliding parts, ensuring the continuity and stability of the die-casting operation, and further improving production efficiency and product quality.

[0045] In a more preferred embodiment, Figure 4As shown, a cooling water channel L is innovatively provided inside the slider 3. The cooling water channel L starts from the rear end of the slider body 31, extends to the molding part 32 in a winding manner, and then cleverly bends back to form an efficient heat exchange network. In this embodiment, a water inlet and a water outlet are provided at the rear end of the body 31, and the cooling pipeline is led out from the rear end of the slider 3. The cooling water is able to circulate, continuously taking away a large amount of heat accumulated by the slider 3 during the die-casting process, and effectively preventing the thermal expansion, deformation and even failure of the material caused by high temperature. It should be recognized that due to the misaligned arrangement of the slider 3 and the transmission rod 1, there will be no interference between the cooling mechanism and the driving mechanism, providing sufficient space for setting the cooling mechanism in the slider 3. This cooling mechanism not only significantly extends the service life of the slider 3, but also ensures that the die-casting mold is always kept within an ideal temperature range, thereby improving the dimensional accuracy and surface quality of the die-casting, and providing a solid guarantee for the production of high-quality products.

[0046] In addition, in another embodiment, the body 31 of the oil cylinder 4 is fixed on the movable mold side, and a guide baffle 5 is fixed on the front side of the body 31 of the oil cylinder 4, and the base 11 of the transmission rod 1 is located between the two guide baffles 5. The setting of the guide baffle 5 first provides physical support for the precise guidance of the transmission rod 1. The base 11 of the transmission rod 1 is cleverly located between the two guide baffles 5, forming a stable guide channel. Such a design not only ensures the straightness and accuracy of the transmission rod 1 in reciprocating motion, but also greatly reduces the mechanical wear caused by offset or shaking, thereby extending the service life of the transmission parts. The close fit between the guide baffle 5 and the body 31 of the oil cylinder 4 and the transmission rod 1 also forms a relatively closed working environment, which helps to reduce the leakage and splashing of lubricating oil and keep the working area clean and dry. This is not only conducive to maintaining the good operating condition of the equipment, but also reduces production interruptions and quality problems caused by lubricating oil contamination.

[0047] The present invention provides a molding mechanism based on the concave structure of the side wall of a frame-type die casting. The principle and implementation method of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the present invention and its core ideas. It should be pointed out that for ordinary technicians in this technical field, the present invention can also be improved and modified without departing from the principle of the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A molding mechanism based on a side wall concave structure of a frame-type die casting, characterized in that: It includes a transmission rod, a slide seat and a slide block; the transmission rod includes a base and two parallel and spaced connecting arms located at the front end of the base; The slider comprises a body and a forming portion located at the front end of the body, and two sides of the body are provided with sliding grooves matching the connecting arm, and the connecting arm is located in the sliding groove and slides along the sliding groove; The first direction, the second direction and the third direction are three directions in a two-dimensional space, the base extends along the first direction, the connecting arm and the slide groove extend along the second direction, the body extends along the third direction, the first direction and the second direction intersect at an obtuse angle, and the second direction is perpendicular to the third direction; The slide seat is provided with a guide hole extending along a first direction and a tunnel hole extending along a third direction; the base is located in the guide hole, and the body is located in the tunnel hole; the connecting arm is located in the confluence groove of the guide hole and the tunnel hole; The transmission rod is driven to reciprocate linearly along the guide hole in a first direction, and the connecting arm drives the slider to reciprocate linearly along the tunnel hole in a third direction, so that the slider switches between the die-casting state and the core-pulling state; A supporting plane is provided at the end of the connecting arm, and a rear wall of the confluence groove is provided with an abutment surface matching the end of the connecting arm; the abutment surface and the supporting plane abut against each other, and are used to support the transmission rod and the slider when the transmission rod drives the slider to be in a die-casting state, thereby offsetting part of the instantaneous pressure during die-casting.

2. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 1, characterized in that: It comprises an oil cylinder, a piston rod of which is connected to the transmission rod, and the transmission rod is driven by the action of the oil cylinder.

3. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 1, characterized in that: The molding portion includes a molding surface, the molding surface is a concave-convex structure and extends along a fourth direction, the fourth direction is the fourth direction of the two-dimensional space; the fourth direction and the third direction form an acute angle.

4. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 1, characterized in that: The support plane and the rear side surface of the base are located in the same plane; the guide hole wall supports the front side surface and the rear side surface of the base and thus offsets part of the instantaneous pressure during die casting together with the abutment surface and the support plane.

5. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 1, characterized in that: The end of the connecting arm comprises a front bevel and a rear bevel, and the front bevel and the rear bevel intersect to form a tip; the end of the connecting arm is provided with a wear-resistant portion, and the front bevel and the rear bevel are provided on the wear-resistant portion.

6. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 1, characterized in that: The slider is provided with a cooling water channel, the cooling water channel is bent from the rear end of the body to the forming portion, and the rear end of the body is provided with a water inlet and a water outlet of the cooling water channel.

7. A molding mechanism based on a side wall concave structure of a frame-type die casting, characterized in that: It includes an oil cylinder, a transmission rod, a slide seat and a slide block; the transmission rod includes a base and two parallel and spaced connecting arms located at the front end of the base; the base and the connecting arms extend at an obtuse angle; The piston rod of the oil cylinder is connected to the rear end of the base, and the transmission rod is driven by the action of the oil cylinder; The slider comprises a body and a forming part located at the front end of the body, the two sides of the body are provided with sliding grooves perpendicular to the extension direction thereof, and the end surface of the forming part is provided with a forming surface with a concave-convex structure; The connecting arm matches the slide slot, the connecting arm is located in the slide slot and slides along the slide slot, the slide seat is provided with a guide hole and a tunnel hole, and the body is arranged in the tunnel hole; The connecting arm, the slide groove and the slide seat cooperate to realize the driving and steering of the slider by the transmission rod. The transmission rod is driven to reciprocate linearly along the guide hole, and the connecting arm drives the slider to reciprocate linearly along the tunnel hole, so that the slider can switch between the die-casting state and the core pulling state.

8. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 7, characterized in that: The first direction, the second direction, the third direction and the fourth direction are four linear directions in a two-dimensional space; the base extends along the first direction, the connecting arm and the slide groove extend along the second direction, the main body, the forming portion and the tunnel hole extend along the third direction, and the forming surface extends along the fourth direction; the first direction and the second direction intersect at an obtuse angle, the second direction is perpendicular to the third direction, and the fourth direction and the third direction form an acute angle.

9. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 7, characterized in that: The base is located in the guide hole, and the connecting arm is located in the confluence groove of the guide hole and the tunnel hole; a supporting plane is provided at the end of the connecting arm; the supporting plane and the rear side surface of the base are located in the same plane; the rear wall of the confluence groove is provided with a supporting surface matching the end of the connecting arm; The guide hole wall supports the front and rear sides of the base, and together with the abutment surface and the support plane, supports the transmission rod and the slider when the transmission rod drives the slider to be in a die-casting state, thereby offsetting part of the instantaneous pressure during die-casting.

10. The molding mechanism based on the side wall concave structure of the frame type die casting according to claim 9, characterized in that: The slider is provided with a cooling water channel, the cooling water channel is bent from the rear end of the body to the forming portion, and the rear end of the body is provided with a water inlet and a water outlet of the cooling water channel.

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