Automobile aluminum alloy die casting stamping device
By using structures such as inserts, rubber columns and disc springs in the stamping device of automotive aluminum alloy die castings, the friction and wear problems at the corners of the mold are solved, and higher dimensional accuracy and extended mold life are achieved.
Patent Information
- Application Number
- CN202423275172.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
During the demolding process of automotive aluminum alloy die-castings, the relative friction distance and frequency at the mold corners are high, resulting in wear of the mold surface material and affecting the dimensional accuracy of the aluminum alloy die-castings.
A stamping device for automotive aluminum alloy die-castings was designed. The device adopts an insert, rubber column, disc spring and lubrication tube structure. The impact force is dispersed through buffer grooves and connecting grooves to form a lubrication film, thereby reducing friction and wear.
It effectively reduces the wear of the mold, improves the dimensional accuracy and quality of aluminum alloy die castings, and extends the service life of the mold.
Smart Images

Figure CN223454914U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to casting stamping device technical field, concretely is a kind of automobile aluminum alloy die casting stamping device. BACKGROUND
[0002] Automobile aluminum alloy die casting stamping device is mainly composed of base, stamping structure, sliding structure, moving device and the like, usually including stamping head, stamping die and the power device driving stamping head up and down movement, stamping head is subjected to pressure to the aluminum alloy die casting placed in stamping die under the action of power device, so that it occurs plastic deformation, to obtain the shape and size required;
[0003] When stamping, when material approaches corner, since the direction of die wall changes, material must change its flow direction to fit new die shape, the flow direction of aluminum alloy material at the corner of die, will sharply change, stress concentration phenomenon will be produced, the relative friction distance and frequency of aluminum alloy die casting at the corner of die are relatively higher during demolding, more easily produce scratch at these parts during demolding, make die surface material be gradually ground off, in subsequent stamping process, it will affect the dimensional accuracy of aluminum alloy die casting;
[0004] Therefore, an automobile aluminum alloy die casting stamping device is provided for the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an automobile aluminum alloy die casting stamping device to solve the problem that the relative friction distance and frequency of aluminum alloy die casting at the corner of die are relatively higher during demolding, more easily produce scratch at these parts during demolding, make die surface material be gradually ground off, in subsequent stamping process, it will affect the dimensional accuracy of aluminum alloy die casting.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] The utility model provides an automobile aluminum alloy die casting stamping device, including base, drive arrangement and controlling device, the upper end fixed connection of base has drive arrangement, the upper end fixed connection of base has controlling device, drive arrangement passes through the upper end of base and is connected with stamping structure fixedly, the inboard slide connection of base has mobile device, the upper end of mobile device is installed the stamping plate, the four corners of stamping plate are installed the transition device, the transition device includes the inlay, the rubber column of good arc one side fixed connection of inlay, the outside installation of rubber column is disc spring, inlay bad arc side is equipped with buffer recess, inlay bad arc side is equipped with connecting groove, inlay inboard fixed connection has lubricating pipe, lubricating pipe includes the pipe body, the upper end of pipe body is equipped with injection hole, the bottom fixed connection of pipe body is hollow rubber column, hollow rubber column is equipped with oil outlet hole one side close to buffer recess.
[0008] As the further optimization of the utility model, the inlay is provided with four, the stamping plate is provided with four semicircular grooves, the inlay is installed at the four semicircular grooves of the stamping plate, the inlay corresponds to the four semicircular grooves of the stamping plate, and the inlay is crescent-shaped.
[0009] As the further optimization of the utility model, the rubber column is provided with a plurality of rubber columns, one end of the rubber column is arranged in the inlay, the other end of the rubber column is closely attached to the semicircular groove of the stamping plate, and the rubber columns are uniformly and equidistantly distributed on the good arc side of the inlay.
[0010] As the further optimization of the utility model, the disc spring is provided with a plurality of disc springs, the disc springs are arranged in a ring shape, the vertical section of the disc spring is trapezoidal, the disc springs are uniformly and alternately arranged on the outside of the rubber column, and the disc springs are arranged between the inlay and the semicircular groove of the stamping plate.
[0011] As the further optimization of the utility model, the buffer recess and the connecting groove are provided with a plurality of buffer recesses and connecting grooves, the buffer recess and the connecting groove are communicated, the connecting groove is arranged in an arc shape, the vertical section of the connecting groove is U-shaped, the buffer recess is divided into two sections through the connecting groove, and the buffer recess and the connecting groove are uniformly and equidistantly distributed on the bad arc side of the inlay.
[0012] As the further optimization of the utility model, the lubricating pipe is provided with two lubricating pipes, the upper end of the lubricating pipe is arranged at the upper end of the inlay, the lubricating pipe is arranged at the two ends of the connecting groove, and the bottom surface of the lubricating pipe and the bottom surface of the inlay are located on the same horizontal plane.
[0013] As the further optimization of the utility model, the oil outlet hole is provided with a plurality of oil outlet holes, the oil outlet hole is communicated with the inside of the pipe body, the hollow rubber column, and the connecting groove, the oil outlet holes are distributed on one side of the hollow rubber column, the vertical section of the oil outlet hole is circular, and the oil outlet holes are parallel to each other.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] In the utility model, the impact force when the aluminum alloy material is punched is absorbed by the insert block and the disc spring, fatigue peeling of the insert block caused by stress concentration is reduced, the service life of the die is prolonged, the amount of oil can be controlled when the lubricating pipe is punched, the lubricating oil forms a uniform film layer on the surface of the insert block, the friction between the aluminum alloy and the insert block is reduced, material scratching and surface damage caused by friction are avoided, the quality of the punched part is effectively improved, the buffer groove and the connecting groove are arranged, and the impact force at the corner can be further dispersed. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a transition device installation position structure schematic view of the utility model;
[0018] Figure 3 It is a whole structure schematic view of the utility model transition device;
[0019] Figure 4 It is a lubricating pipe installation position structure schematic view of the utility model;
[0020] Figure 5 It is a disc spring dismounting structure schematic view of the utility model;
[0021] Figure 6 It is an oil outlet hole installation position schematic view of the utility model.
[0022] In the drawing: 1, base; 2, driving device; 3, control device; 4, punching structure; 5, moving device; 6, punching plate;
[0023] 7, transition device; 71, insert block; 72, rubber column; 73, disc spring; 74, buffer groove; 75, connecting groove; 76, lubricating pipe; 761, pipe body; 762, injection hole; 763, hollow rubber column; 764, oil outlet hole. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, components, and / or groups thereof, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.
[0026] Referring to Figures 1-6 The utility model provides a technical scheme:
[0027] A kind of automobile aluminum alloy die casting stamping device, including base 1, driving device 2 and control device 3, base 1 upper end is fixedly connected with driving device 2, base 1 upper end is fixedly connected with control device 3, driving device 2 passes through the upper end of base 1 and is fixedly connected with stamping structure 4, mobile device 5 is slidably connected in base 1 inner side, mobile device 5 upper end is equipped with stamping plate 6, stamping plate 6 four corners are equipped with transition device 7;Transition device 7 includes insert block 71, rubber column 72 is fixedly connected with the superior arc side of insert block 71, dished spring 73 is installed on the outer side of rubber column 72, buffer groove 74 is set in the inferior arc side of insert block 71, connecting groove 75 is set in the inferior arc side of insert block 71, lubricating pipe 76 is fixedly connected with the inner side of insert block 71, lubricating pipe 76 includes tube body 761, injection hole 762 is set in the upper end of tube body 761, hollow rubber column 763 is fixedly connected with the bottom of tube body 761, oil outlet hole 764 is set in the side close to buffer groove 74 of hollow rubber column 763.
[0028] As further implementation of the above technical solution: buffer groove 74 and connecting groove 75 are provided with several, buffer groove 74 and connecting groove 75 are communicated, connecting groove 75 is arranged as arc, the vertical section of connecting groove 75 is U-shaped, buffer groove 74 is divided into two segments by connecting groove 75, buffer groove 74 and connecting groove 75 are evenly distributed on the inferior arc side of insert block 71, when aluminum alloy material flows to these areas, buffer groove 74 can make impact force evenly distributed, reduce local stress too large and cause insert block 71 abrasion and damage, connecting groove 75 is communicated with buffer groove 74, can guide the lubricating oil flowing out from lubricating pipe 76 to be evenly distributed on the surface of insert block 71, form good lubricating film, reduce the friction between aluminum alloy material and insert block 71;
[0029] As further implementation of the above technical solution: rubber column 72 is provided with several, one end of rubber column 72 is arranged in the inner side of insert block 71, the other end of rubber column 72 is in close contact with the semicircular groove of stamping plate 6, rubber column 72 is evenly distributed on the superior arc side of insert block 71, can be compressed when stamping aluminum alloy material, play the role of buffering and shock absorption, reduce the impact force of aluminum alloy material to insert block 71, thereby reduce the damage of stress concentration to insert block 71.
[0030] As a further implementation of the above technical solution: four inserts 71 are provided, the stamping plate 6 is provided with four semicircular grooves, the inserts 71 are installed at the four semicircular grooves of the stamping plate 6, the inserts 71 correspond to the four semicircular grooves of the stamping plate 6, the inserts 71 are crescent-shaped, and the inserts 71 are crescent-shaped and installed at the semicircular grooves of the stamping plate 6, which can well adapt to the structure of the stamping plate 6 and provide a suitable guide structure for the flow of aluminum alloy material at the corner;
[0031] As a further implementation of the above technical solution: a plurality of disc springs 73 are provided, the disc springs 73 are arranged in a ring shape, the vertical section of the disc spring 73 is trapezoidal, the disc springs 73 are uniformly and alternately arranged on the outside of the rubber column 72, and the disc springs 73 are arranged between the inserts 71 and the semicircular grooves of the stamping plate 6, so that they can elastically deform according to the pressure during stamping, further absorb the energy generated by stamping of the aluminum alloy material, effectively relieve stress concentration, and prolong the service life of the inserts 71;
[0032] As a further implementation of the above technical solution: a plurality of oil outlets 764 are provided, the oil outlets 764 are communicated with the pipe body 761, the hollow rubber column 763 and the inner side of the connecting groove 75, the oil outlets 764 are distributed on one side of the hollow rubber column 763, the vertical section of the oil outlet 764 is circular, and the oil outlets 764 are parallel to each other, so that the lubricating oil forms a uniform lubricating film on the surface of the insert 71, reducing the friction between the aluminum alloy material and the insert 71;
[0033] As a further implementation of the above technical solution: two lubricating pipes 76 are provided, the upper end of the lubricating pipe 76 is arranged at the upper end of the insert 71, the lubricating pipe 76 is arranged at both ends of the connecting groove 75, and the bottom surface of the lubricating pipe 76 is located at the same horizontal plane as the bottom surface of the insert 71, so that the lubricating oil can be uniformly delivered to the connecting groove 75 and the buffer groove 74 through the oil outlets 764 when the insert 71 is extruded during stamping, ensuring the lubricating effect of the surface of the insert 71.
[0034] Work flow: first, install the crescent-shaped inserts 71 at the four semicircular grooves of the stamping plate 6, so that the inserts 71 correspond to the semicircular grooves of the stamping plate 6, and then uniformly and alternately install the disc springs 73 on the outside of the rubber column 72, so that they are located between the inserts 71 and the semicircular grooves of the stamping plate 6, then set one end of the rubber column 72 inside the insert 71 and the other end close to the semicircular groove of the stamping plate 6, and one end of the disc spring 73 also close to the semicircular groove of the stamping plate 6, then inject lubricating oil into the pipe body 761 through the injection hole 762 of the lubricating pipe 76, and the lubricating oil will enter the pipe body 761 and the inside of the hollow rubber column 763;
[0035] The operator starts the control device 3 through the external wire connection, the control device 3 sends the instruction to the driving device 2, the stamping operation is started, the moving device 5 in the inside of the base 1 moves under the related driving mechanism, the stamping plate 6 installed on the upper end is driven to move to the aluminum alloy material to be stamped, when the stamping plate 6 contacts the aluminum alloy material and starts stamping, the aluminum alloy material flows in the die, when passing through the transition device 7, the hollow rubber column 763 is extruded due to the pressure of the aluminum alloy material to the insert block 71, the extrusion makes the lubricating oil in the hollow rubber column 763 flow out through the oil outlet hole 764, the lubricating oil is supplied into the buffer groove 74 and the connecting groove 75, the lubricating oil flows along the connecting groove 75 and the buffer groove 74, a lubricating film is formed on the side of the concave arc of the insert block 71, in the stamping process, when the aluminum alloy material passes through the buffer groove 74 and the connecting groove 75 of the insert block 71, the aluminum alloy material can flow more smoothly due to the existence of the lubricating oil, thereby reducing the abrasion of the insert block 71, and the stress concentration phenomenon of the aluminum alloy material in the flowing process is reduced, the stamping quality is improved, the rubber columns 72 are uniformly and equidistantly distributed on the side of the convex arc of the insert block 71, when the aluminum alloy material produces the pressure to the insert block 71, the rubber columns 72 are compressed, the impact force of the aluminum alloy material to the insert block 71 is further buffered, meanwhile, the disc springs 73 are uniformly and staggeredly arranged on the outside of the rubber columns 72, in the stamping process of the aluminum alloy material, the disc springs 73 are elastically deformed according to the size of the pressure, part of the energy is absorbed, the impact of the aluminum alloy material to the insert block 71 is further relieved, the stress concentration is reduced, when the stamping process is finished, the rubber columns 72 and the disc springs 73 are restored to the original shape under the elastic action of themselves, the next stamping operation is prepared, the service life of the insert block 71 and the stamping quality are effectively ensured.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A stamping device for automotive aluminum alloy die castings, comprising a base (1), a drive device (2) and a control device (3), characterized in that: The upper end of the base (1) is fixedly connected with a driving device (2), the upper end of the base (1) is fixedly connected with a control device (3), the driving device (2) is fixedly connected with a punching structure (4) through the upper end of the base (1), the inner side of the base (1) is slidably connected with a moving device (5), the upper end of the moving device (5) is provided with a punching plate (6), and the four corners of the punching plate (6) are provided with a transition device (7); The transition device (7) comprises a block (71), the better arc side of the block (71) is fixedly connected with a rubber column (72), the outer side of the rubber column (72) is provided with a disc spring (73), the worse arc side of the block (71) is provided with a buffer groove (74), the worse arc side of the block (71) is provided with a connecting groove (75), the inner side of the block (71) is fixedly connected with a lubricating pipe (76), and the lubricating pipe (76) comprises a pipe body (761).
2. The stamping device for an automobile aluminum alloy die casting according to claim 1, characterized in that: The block (71) is provided with four, the punching plate (6) is provided with four semicircular grooves, the block (71) is installed at the four semicircular grooves of the punching plate (6), the block (71) corresponds to the four semicircular grooves of the punching plate (6), and the block (71) is provided in a crescent shape.
3. The stamping device for an automobile aluminum alloy die casting according to claim 1, characterized in that: The rubber column (72) is provided with a plurality of, one end of the rubber column (72) is arranged in the inner side of the block (71), the other end of the rubber column (72) is closely attached with the semicircular groove of the punching plate (6), and the rubber columns (72) are evenly and equidistantly distributed on the better arc side of the block (71).
4. The apparatus according to claim 1, wherein: The disc spring (73) is provided with a plurality of, the disc spring (73) is provided in a ring shape, the vertical section of the disc spring (73) is trapezoidal, the disc springs (73) are evenly and staggered arranged on the outer side of the rubber column (72), and the disc spring (73) is arranged between the block (71) and the semicircular groove of the punching plate (6).
5. The apparatus according to claim 1, wherein: The buffer groove (74) and the connecting groove (75) are provided with a plurality of, the buffer groove (74) and the connecting groove (75) are communicated, the connecting groove (75) is provided in an arc shape, the vertical section of the connecting groove (75) is U-shaped, the buffer groove (74) is divided into two sections by the connecting groove (75), and the buffer groove (74) and the connecting groove (75) are evenly and equidistantly distributed on the worse arc side of the block (71).
6. The apparatus according to claim 1, wherein: The lubricating pipe (76) is provided with two, the upper end of the lubricating pipe (76) is arranged at the upper end of the block (71), the lubricating pipe (76) is arranged at the two ends of the connecting groove (75), and the bottom surface of the lubricating pipe (76) is located at the same horizontal plane with the bottom surface of the block (71).
7. The apparatus according to claim 1, wherein: The oil outlet holes (764) are provided with several, the oil outlet holes (764) are communicated with the pipe body (761), the hollow rubber column (763) and the inner side of the connecting groove (75), the oil outlet holes (764) are distributed on one side of the hollow rubber column (763), the vertical section of the oil outlet hole (764) is circular, and the oil outlet holes (764) are parallel to each other.