Die structure for automobile stamping part

Abstract

The utility model belongs to the technical field of stamping part production, and particularly relates to a die structure for automobile stamping parts, which comprises a machine body, a groove is arranged in the center of the top end of one side of the machine body, a top die is arranged at the top end corresponding to the groove, the top end of the top die is connected with the output end of a hydraulic cylinder, and guide columns are arranged on two sides of the hydraulic cylinder. The hydraulic cylinder is arranged at the top end of the supporting plate; a first motor is arranged on one side of the machine body and is in signal connection with the hydraulic cylinder. Through the design that the ejection structure is additionally arranged at the bottom die part, the motor drives the semi-serrated wheel, and the semi-serrated wheel pulls the sliding block to realize the push-pull effect, and a stamping part is ejected through the push-pull effect, so that the problem that the die cannot be smoothly demolded due to the clamping of the die is avoided; and the motor drives the material shifting structure to repeatedly sweep the top end of the groove, so that the stamping part can be discharged in an auxiliary manner when the die is ejected out, the running continuity of the device is improved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stamping part production, in particular to a die structure for automobile stamping parts. Background Art

[0002] Automotive stamping parts refer to parts used in automobile manufacturing that are manufactured through a stamping process. They use dies to apply pressure to metal sheets to cause them to undergo plastic deformation, thereby obtaining specific shapes and sizes. These stamping parts are widely used in automobile bodies, chassis, engines and other parts, such as doors, hoods, bumpers, etc. Their characteristics include high precision, high consistency, high strength and durability. The quality of automotive stamping parts has an important impact on the overall performance and safety of the vehicle, and is an indispensable key component in automobile production. In the production of automotive stamping parts, stamping dies are generally used for stamping operations when necessary.

[0003] The die structure of automobile stamping parts mainly includes an upper die and a lower die; there is a punch in the upper die and a concave die in the lower die, which fit each other; guide pins and guide sleeves ensure the precise guidance of the die opening and closing; when working, the sheet is placed in the die, the punching machine drives the upper die downward, and the punch and concave die cooperate to make the sheet plastically deformed, thereby stamping out the required shape. The unloading plate helps to unload the workpiece; the pad enhances the strength of the die; the positioning device ensures the accurate position of the sheet; its principle is to use the specific shape and pressure of the die to achieve precise forming of the sheet, and the various components work together to ensure that the stamping process is efficient and stable and can produce high-quality stamping parts that meet the requirements.

[0004] Existing automobile stamping parts may get stuck during the production process, which may result in the stamping parts being unable to be demolded smoothly after the stamping is completed, which may cause production stagnation and damage to the equipment; and the existing mold structure has deficiencies in material feeding, which may affect the continuity of production and indirectly lead to a decrease in production efficiency. Therefore, a mold structure for automobile stamping parts is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and address the problems existing in the prior art equipment, the utility model proposes a die structure for automobile stamping parts.

[0006] The utility model solves the technical problem by adopting a technical solution that is a die structure for automobile stamping parts, comprising a fuselage, a groove is provided at the center of the top end of one side of the fuselage, a top die is provided at the top corresponding to the groove, the top end of the top die is connected to the output end of the hydraulic cylinder, and guide columns are provided on both sides of the hydraulic cylinder; the hydraulic cylinder is placed at the top end of a support plate; a No. 1 motor is provided at one side of the fuselage, the No. 1 motor is connected to the hydraulic cylinder signal and is used to control the hydraulic cylinder; a protection box is provided at one side of the fuselage, a No. 2 motor is provided inside the protection box, the output end of the No. 2 motor is meshed and connected to a No. 1 transmission gear, a half-saw gear is welded at the top end of the No. 1 transmission gear, a No. 1 support rod is provided between the half-saw gear and the No. 1 transmission gear, and the bottom end of the No. 1 support rod is welded to the protection box; the half-saw gear is meshed and connected to the No. 2 transmission gear, a material-pickup rod is provided at the center of the No. 2 transmission gear, a No. 2 support rod is provided around the outside of the material-pickup rod, and the other end of the No. 2 support rod is welded to the top side of the protection box; a rotating rod is welded at the top side of the half-saw gear, and a transmission rod is provided outside the rotating rod; the structure is used to assist in lowering parts and ejecting stamping parts.

[0007] Preferably, a slot is provided at the other end of the transmission rod, and the slot and the transmission rod are connected by a No. 1 connecting shaft: a slider is welded at the other end of the slot, a slide rail is provided on one side of the slider, and guide rails are provided on the top and bottom sides of the slide rail, respectively, and the slider is engaged with the guide rail; a limit column is provided inside the slider, a connecting rod is inserted between the limit column and the slider, a bottom mold is welded to the top end of the connecting rod, and a fixed support is contained inside the bottom mold, the fixed supports are connected to a bent rod by a No. 2 connecting shaft, a push rod is provided at the other end of the bent rod, and the push rod and the bent rod are connected by a No. 3 connecting shaft; the stamping part is ejected by this structure.

[0008] Preferably, a spring is welded at the center of the bottom mold, and six holes are opened at the top of the bottom mold. The holes are vertically corresponding to the top rods, and the diameters of the top rods and the holes are consistent; it is characterized in that: the material removal rod is placed at the top of the groove; the corners of the slider and the limit column are of stepped design; the slide rail is placed inside the fuselage; this structure increases the firmness and stability of the device operation.

[0009] The utility model is beneficial in that:

[0010] The utility model adopts the design of adding an ejection structure at the bottom mold part, drives the half-saw gear through the motor, and realizes the push-pull effect by pulling the slider through the half-saw gear, and ejects the stamping part through this effect, thereby avoiding the problem of not being able to demould smoothly due to mold jamming; and drives the material-pickup structure to repeatedly sweep the top of the groove by the motor, so as to assist the stamping part in being ejected when the mold is ejected, thereby increasing the continuity of the operation of the device, thereby improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of the overall structure of the device;

[0013] Figure 2 This is a schematic diagram of the interior of the operating console;

[0014] Figure 3 It is a schematic diagram of the ejection structure;

[0015] Figure 4 It is a schematic diagram of the push material structure;

[0016] Figure 5 It is a schematic diagram of the transmission structure;

[0017] In the figure: 1. body; 2. protective box; 3. support plate; 4. hydraulic cylinder; 5. guide column; 6. No. 1 motor; 7. top mold; 8. groove; 9. material removal rod; 10. slider; 11. connecting rod; 12. slide rail; 13. guide rail; 14. limit column; 15. transmission rod; 16. No. 1 connecting shaft; 17. slot; 18. bottom mold; 19. digging hole; 20. No. 2 connecting shaft; 21. push rod; 22. spring; 23. No. 3 connecting shaft; 24. fixed support; 25. curved rod; 26. rotating rod; 27. half saw gear; 28. No. 1 transmission gear; 29. ​​No. 1 support rod; 30. No. 2 support rod; 31. No. 2 transmission gear; 32. No. 2 motor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5As shown, a mold structure for automobile stamping parts includes a fuselage 1, a groove 8 is provided at the center of the top of one side of the fuselage 1, a top mold 7 is provided at the top corresponding to the groove 8, the top of the top mold 7 is connected to the output end of the hydraulic cylinder 4, and guide columns 5 are provided on both sides of the hydraulic cylinder 4; the hydraulic cylinder 4 is placed on the top of the support plate 3; a No. 1 motor 6 is provided on one side of the fuselage 1, and the No. 1 motor 6 is connected to the hydraulic cylinder 4 signal for controlling the hydraulic cylinder 4; a protection box 2 is provided on one side of the fuselage 1, a No. 2 motor 32 is provided inside the protection box 2, the output end of the No. 2 motor 32 is meshed and connected to the No. 1 transmission gear 28, a half-saw gear 27 is welded on the top of the No. 1 transmission gear 28, a No. 1 support rod 29 is provided between the half-saw gear 27 and the No. 1 transmission gear 28, and the bottom end of the No. 1 support rod 29 is welded to the protection box 2; the half-saw gear 27 is meshed and connected to the No. 2 transmission gear 31, and a material removal rod 9 is provided at the center of the No. 2 transmission gear 31. A No. 2 support rod 30 is arranged around the outside of the material-push rod 9, and the other end of the No. 2 support rod 30 is welded to the top side of the protective box 2; a rotating rod 26 is welded to the top side of the half-saw gear 27, and a transmission rod 15 is arranged on the outside of the rotating rod 26; when the automobile stamping parts are subjected to stamping operation, the operator places the material inside the groove 8, and then starts the No. 1 motor 6. At this time, the No. 1 motor 6 drives the hydraulic cylinder 4 and presses the top die 7 down along the trajectory of the guide column 5, thereby completing the stamping operation of the stamping parts; when the material-push operation is performed, an operator starts the No. 2 motor 32. At this time, the No. 2 motor 32 starts to drive and drive the No. 1 transmission gear 28 to rotate, and the No. 1 transmission gear 28 drives the half-saw gear 27 to rotate, and finally, when the tooth surface of the half-saw gear 27 contacts the No. 2 transmission gear 31, the No. 2 transmission gear 31 drives the material-push rod 9 to rotate, and finally, the stamping parts at the top of the groove 8 are moved by the material-push rod 9, thereby completing the material-unloading operation of the structure.

[0020] The transmission rod 15 is provided with a slot 17 at the other end, and the slot 17 and the transmission rod 15 are connected by a No. 1 connecting shaft 16: a slider 10 is welded to the other end of the slot 17, and a slide rail 12 is provided on one side of the slider 10, and guide rails 13 are provided on the top and bottom sides of the slide rail 12, respectively, and the slider 10 is connected with the guide rail 13 in an engaging manner; a limiting column 14 is provided inside the slider 10, and a connecting rod 11 is inserted between the limiting column 14 and the slider 10, and a bottom mold 18 is welded to the top of the connecting rod 11, and a fixed support 24 is contained inside the bottom mold 18, and the fixed support 24 is connected to a bent rod 25 by a No. 2 connecting shaft 20, and a top rod 21 is provided at the other end of the bent rod 25, and the top rod 21 and the bent rod 25 are connected by a No. 3 connecting shaft 23; a spring 22 is welded at the center of the bottom mold 18, and six A hole 19 is formed, and the hole 19 corresponds vertically to the push rod 21, and the push rod 21 has the same diameter as the hole 19; when the structure performs the ejection operation, the No. 2 motor 32 drives the half-saw gear 27 to rotate, and then the rotation of the half-saw gear 27 drives the rotating rod 26 on its top to rotate, and thereby pulls the transmission rod 15. At this time, the transmission rod 15 pulls the slot 17, and the slider 10 starts to move in the pulling direction, and then the connecting rod 11 inside the slider 10 starts to move along the trajectory outside the limit column 14, and starts to move up after moving to the corner, and then the connecting rod 11 drives the bottom mold 18 to be ejected. When the bottom mold 18 is ejected, the spring 22 located inside the bottom mold 18 starts to shrink, and then the curved rod 25 starts to rotate with the No. 2 connecting shaft 20 as the axis, and ejects the push rod 21 out of the hole 19, and finally ejects the stamping part out of the bottom mold 18.

[0021] Working principle: when stamping the automobile stamping parts, the operator places the material inside the groove 8, and then starts the No. 1 motor 6. At this time, the No. 1 motor 6 drives the hydraulic cylinder 4, and presses the top die 7 down along the trajectory of the guide column 5, thereby completing the stamping operation of the stamping parts; when the structure performs the ejection operation, the No. 2 motor 32 drives the half-saw gear 27 to rotate, and then the rotation of the half-saw gear 27 drives the rotating rod 26 at the top to rotate, and thereby pulls the transmission rod 15. At this time, the transmission rod 15 pulls the card slot 17 and makes the slider 10 start to move in the pulling direction, and then the connecting rod 11 inside the slider 10 starts to move along the trajectory outside the limit column 14, and starts to move up after moving to the corner, and then the connection The rod 11 drives the bottom die 18 to be ejected. When the bottom die 18 is ejected, the spring 22 located inside the bottom die 18 begins to shrink, and then the curved rod 25 begins to rotate with the No. 2 connecting shaft 20 as the axis, and pushes the ejector rod 21 out of the hole 19, and finally pushes the stamping part out of the bottom die 18; when performing the material removal operation, an operator starts the No. 2 motor 32, and the No. 2 motor 32 starts to drive and drive the No. 1 transmission gear 28 to rotate, and the No. 1 transmission gear 28 drives the half-saw gear 27 to rotate, and finally when the tooth surface of the half-saw gear 27 contacts the No. 2 transmission gear 31, the No. 2 transmission gear 31 drives the material removal rod 9 to rotate, and finally the stamping part at the top of the groove 8 is moved by the material removal rod 9, thereby completing the material removal operation of the structure.

[0022] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A die structure for automobile stamping parts, characterized in that: The invention comprises a machine body (1), wherein a groove (8) is provided at the center of the top of one side of the machine body (1), a top mold (7) is provided at the top corresponding to the groove (8), the top of the top mold (7) is connected to the output end of the hydraulic cylinder (4), and guide pillars (5) are provided on both sides of the hydraulic cylinder (4); the hydraulic cylinder (4) is placed on the top of a support plate (3); a first motor (6) is provided on one side of the machine body (1), the first motor (6) is connected to the hydraulic cylinder (4) by signal and is used to control the hydraulic cylinder (4); a protection box (2) is provided on one side of the machine body (1), a second motor (32) is provided inside the protection box (2), and the output end of the second motor (32) is meshedly connected to a first transmission gear (28), A half-saw gear (27) is welded to the top of the No. 1 transmission gear (28), a No. 1 support rod (29) is provided between the half-saw gear (27) and the No. 1 transmission gear (28), and the bottom end of the No. 1 support rod (29) is welded to the protection box (2); the half-saw gear (27) is meshed with the No. 2 transmission gear (31), a material shifting rod (9) is provided at the center of the No. 2 transmission gear (31), a No. 2 support rod (30) is arranged around the outside of the material shifting rod (9), and the other end of the No. 2 support rod (30) is welded to the top side of the protection box (2); a rotating rod (26) is welded to the top side of the half-saw gear (27), and a transmission rod (15) is provided outside the rotating rod (26).

2. A die structure for automobile stamping parts according to claim 1, characterized in that: The other end of the transmission rod (15) is provided with a slot (17), and the slot (17) and the transmission rod (15) are connected by a No. 1 connecting shaft (16); a slider (10) is welded to the other end of the slot (17), a slide rail (12) is provided on one side of the slider (10), and guide rails (13) are provided on the top and bottom sides of the slide rail (12), respectively, and the slider (10) and the guide rail (13) are engaged and connected; a limit column (14) is provided inside the slider (10) ), a connecting rod (11) is inserted between the limit column (14) and the slider (10), a bottom mold (18) is welded to the top of the connecting rod (11), the bottom mold (18) contains a fixed support (24), the fixed support (24) is connected to a bent rod (25) by a second connecting shaft (20), a push rod (21) is provided at the other end of the bent rod (25), and the push rod (21) and the bent rod (25) are connected by a third connecting shaft (23).

3. A die structure for automobile stamping parts according to claim 2, characterized in that: A spring (22) is welded at the center of the bottom mold (18), and six holes (19) are opened at the top of the bottom mold (18). The holes (19) correspond vertically to the top rods (21), and the diameters of the top rods (21) and the holes (19) are consistent.

4. A die structure for automobile stamping parts according to claim 1, characterized in that: The material moving rod (9) is placed on the top of the groove (8).

5. The die structure for automobile stamping parts according to claim 2, characterized in that: The corners between the slider (10) and the limiting column (14) are of stepped design.

6. A die structure for automobile stamping parts according to claim 2, characterized in that: The slide rail (12) is placed inside the fuselage (1).

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