Forming die for large skin
By introducing stamping components and lubricant addition components into large skin forming dies, the problem of difficulty in manually spraying lubricant was solved, realizing automated lubrication, improving forming speed and quality, and reducing wear on the lower die.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-03-20
AI Technical Summary
In the production process of large skins, it is difficult and safe to manually spray lubricant, and it is difficult to effectively avoid cracks in the skin after stamping.
A forming mold including a stamping component and a lubricant addition component was designed. The upper and lower molds are driven by a hydraulic cylinder, and the lubricant addition component is controlled by a lifting cylinder. The lubricant is sprayed at any position through a spraying unit to reduce friction and improve forming quality.
It achieves automated lubrication of large skins, reduces the difficulty of manual spraying, improves molding speed and quality, reduces wear on the lower mold, and enhances the practicality of the device.
Smart Images
Figure CN224010949U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of aluminum alloy skin production and processing technology, and particularly relates to a forming die for large skin. BACKGROUND
[0002] The forming die for large skin usually comprises multiple units, such as a lower die unit, an upper die unit, and a base unit, which cooperate with each other when the die is closed to form a die cavity for shaping the skin. The large skin is mostly made of aluminum alloy material, and the aluminum alloy is subjected to stamping forming.
[0003] In order to avoid cracks in the skin after stamping, the aluminum alloy plate and the lower die are manually sprayed with lubricant before stamping. The lubricant is sprayed on the working surface of the die, the die fillet, and the corresponding blank surface. When producing large skin, it is difficult for manual operation to spray in some areas due to the large size of the skin, and there may be accidents during manual operation, which poses a safety hazard.
[0004] Therefore, the technical personnel in the art provide a forming die for large skin to solve the problems raised in the background. SUMMARY
[0005] In view of the deficiencies of the prior art, the utility model provides a forming die for large skin, which solves the problems raised in the background.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A forming die for large skin comprises a stamping assembly, the stamping assembly comprises two bases fixedly installed on the ground and support plates, a lower die is arranged between the two bases, the top ends of the two support plates are jointly installed with a top plate, the top end of the top plate is fixedly installed with a hydraulic oil cylinder, the telescopic end of the hydraulic oil cylinder is movably penetrated through the top plate and fixedly connected with an upper die; a workpiece is placed above the lower die, and the workpiece is located below the upper die; a lubricant adding assembly is arranged on the top end of the base, a rectangular groove is formed in the top end of the base, a lifting cylinder is arranged in the rectangular groove, the lubricant adding assembly is movably clamped in the rectangular groove, the lifting cylinder drives the lubricant adding assembly to move up and down, and the lubricant adding assembly is used for spraying lubricant on different positions of the lower die and the workpiece; the lubricant adding assembly comprises a rectangular box, a position adjusting unit, and a spraying unit, the spraying unit comprises an oil tank, an oil pump, and an oil feeding rod, the oil pump sends the lubricant in the oil tank cavity into the oil feeding rod cavity, and the oil feeding rod is provided with a nozzle at the end away from the oil tank.
[0008] According to the forming die for large skin, the two groups of lubricant adding assemblies are in a symmetrical state, and the side of the two groups of rectangular boxes close to each other is provided with a movable cavity.
[0009] According to the forming die of the large skin, the position adjusting unit comprises a stepper motor fixedly installed in the movable cavity of the rectangular box, a lead screw is fixedly connected to the output end of the stepper motor, and the lead screw is movably installed on one side of the movable cavity of the rectangular box through a bearing.
[0010] According to the forming die of the large skin, the lead screw movably penetrates a moving block, a limiting groove is formed in one side wall of the movable cavity of the rectangular box, and one end of the moving block is movably clamped in the limiting groove; the moving block moves along the limiting groove to slide.
[0011] According to the forming die of the large skin, the lead screw is in threaded connection with the moving block, two rectangular plates are fixedly installed at one end of the moving block, and a limiting sleeve is arranged at one end of the oil feeding rod close to the moving block.
[0012] According to the forming die of the large skin, the limiting sleeve is located between the two rectangular plates, the limiting sleeve is movably installed between the two rectangular plates through a pin shaft, the position adjusting unit further comprises a servo motor fixedly installed on the rectangular plate, and an output shaft of the servo motor movably penetrates the rectangular plate and is fixedly connected with the pin shaft.
[0013] According to the forming die of the large skin, a sliding plate is fixedly installed below the oil tank, a guide rod is further fixedly installed in the movable cavity of the rectangular box, the guide rod movably penetrates the sliding plate, the oil pump is fixedly installed on the sliding plate, and the oil tank, the oil pump and the oil feeding rod are all connected with a conveying pipe.
[0014] The utility model provides a forming die of large skin, has the following beneficial effects:
[0015] (1) through setting stamping assembly, hydraulic oil jar promotes the upper die and moves cooperation lower die can stamping forming to processing piece, in order to reduce the friction between lower die and processing piece, thereby reduce the stamping force, reduce lower die wear, and improve the forming speed and forming quality, through setting lubricant adding assembly, lift cylinder lifts up lubricant adding assembly, lubricant adding assembly can spray lubricant to lower die and processing piece simultaneously, through setting position adjusting unit, two lubricant adding assemblies can complete the spraying work in any position, thereby solve the problem that workpiece is big, manual spraying is difficult, improve the practicality of the device.
[0016] (2) The one end of the moving block is fixedly installed with two rectangular plates, the one end of the oil feeding rod close to the moving block is provided with a limiting sleeve, the servo motor is fixedly installed on the rectangular plate, the output shaft of the servo motor is movably penetrated through the rectangular plate and is fixedly connected with the pin shaft, the servo motor drives the oil feeding rod to rotate in working, when the oil feeding rod is stored in the rectangular box movable cavity, the whole rectangular box can ascend and descend in the rectangular groove on the top end of the base, when the oil feeding rod is unfolded, the lower die and the work piece are sprayed with lubricant.
[0017] (3) The slide plate is fixedly installed below the oil bucket, the guide rod is also fixedly installed in the rectangular box movable cavity and movably penetrates through the slide plate, the oil pump is fixedly installed on the slide plate, the conveying pipe is connected through among the oil bucket, the oil pump and the oil feeding rod, the slide plate is pulled to move through the conveying pipe in the moving process of the moving block, the lubricant in the oil bucket cavity is sent into the oil feeding rod and is sprayed out through the nozzle in the working of the oil pump. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the forming die of the large skin;
[0019] Figure 2 It is a front view schematic view of the forming die of the large skin;
[0020] Figure 3 It is a three-dimensional structure schematic view of the lubricant adding assembly of the forming die of the large skin;
[0021] Figure 4 It is an unfolded structure schematic view of the lubricant adding assembly of the forming die of the large skin;
[0022] Figure 5 It is Figure 4 The enlarged view of A in the middle.
[0023] Legend:
[0024] 10, base; 11, lower die; 12, upper die; 13, support plate; 14, top plate; 15, hydraulic oil cylinder; 16, work piece; 17, lubricant adding assembly; 18, rectangular box; 19, stepping motor; 20, screw rod; 21, position adjusting unit; 22, oil bucket; 23, oil feeding rod; 24, guide rod; 25, nozzle; 26, moving block; 27, servo motor; 28, oil pump; 29, slide plate. DETAILED DESCRIPTION
[0025] As Figures 1-5As shown: a large skin forming die, which includes a stamping assembly, the stamping assembly includes two bases 10 fixedly installed on the ground and support plates 13, a lower die 11 is arranged between the two bases 10, the top ends of the two support plates 13 are jointly installed with a top plate 14, the top end of the top plate 14 is fixedly installed with a hydraulic oil cylinder 15, the telescopic end of the hydraulic oil cylinder 15 is movably penetrated through the top plate 14 and is fixedly connected with an upper die 12; a workpiece 16, the workpiece 16 is placed above the lower die 11, and the workpiece 16 is below the upper die 12; a lubricant adding assembly 17, a rectangular groove is formed in the top end of the base 10, a lifting cylinder is arranged in the rectangular groove, the lubricant adding assembly 17 is movably clamped in the rectangular groove, the lifting cylinder drives the lubricant adding assembly 17 to move up and down, and the lubricant adding assembly 17 is used for spraying lubricant at different positions of the lower die 11 and the workpiece 16; the lubricant adding assembly 17 comprises a rectangular box 18, a position adjusting unit 21 and a spraying unit, the spraying unit comprises an oil tank 22, an oil pump 28 and an oil feeding rod 23, the oil pump 28 sends the lubricant in the cavity of the oil tank 22 into the cavity of the oil feeding rod 23, and the end of the oil feeding rod 23 away from the oil tank 22 is provided with a nozzle 25.
[0026] Specifically, by setting the stamping assembly, the hydraulic oil cylinder 15 drives the upper die 12 to move to cooperate with the lower die 11 to stamp and form the workpiece 16, in order to reduce the friction between the lower die 11 and the workpiece 16, thereby reducing the stamping force, reducing the wear of the lower die 11, and improving the forming speed and forming quality, by setting the lubricant adding assembly 17, the lifting cylinder lifts the lubricant adding assembly 17, the lubricant adding assembly 17 can spray lubricant on the lower die 11 and the workpiece 16 at the same time, by setting the position adjusting unit 21, the two groups of lubricant adding assemblies 17 can complete the spraying work at any position, thereby solving the problem that the workpiece is large and manual spraying is difficult, and the practicability of the device is improved.
[0027] The two groups of lubricant adding assemblies 17 are in a symmetrical state, and the two groups of rectangular boxes 18 are both provided with a movable cavity on the side close to each other.
[0028] Specifically, by setting the two groups of lubricant adding assemblies 17 in a symmetrical state, the two groups of rectangular boxes 18 are both provided with a movable cavity on the side close to each other, so as to facilitate the installation of the position adjusting unit 21 in the movable cavity of the rectangular box 18.
[0029] The position adjusting unit 21 comprises a stepper motor 19 fixedly installed in the movable cavity of the rectangular box 18, the output end of the stepper motor 19 is fixedly connected with a lead screw 20, the end of the lead screw 20 away from the stepper motor 19 is movably installed on one side of the movable cavity of the rectangular box 18 through a bearing. The lead screw 20 movably penetrates a moving block 26, a limiting groove is formed on one side wall of the movable cavity of the rectangular box 18, one end of the moving block 26 movably engages in the limiting groove, and the moving block 26 moves to slide along the limiting groove. The lead screw 20 is in threaded connection with the moving block 26.
[0030] Specifically, the stepper motor 19 is fixedly installed in the movable cavity of the rectangular box 18, the stepper motor 19 drives the lead screw 20 to rotate in work, the lead screw 20 movably penetrates the moving block 26, and the moving block 26 movably engages in the limiting groove, so that the moving block 26 moves horizontally left and right along the limiting groove in the rotating process of the lead screw 20.
[0031] One end of the moving block 26 is fixedly installed with two rectangular plates, and a limiting sleeve is arranged at the end of the oil feeding rod 23 close to the moving block 26. The limiting sleeve is located between the two rectangular plates and is movably installed between the two rectangular plates through a pin shaft, and the position adjusting unit 21 further comprises a servo motor 27 fixedly installed on the rectangular plate, and the output shaft of the servo motor 27 movably penetrates the rectangular plate and is fixedly connected with the pin shaft.
[0032] Specifically, one end of the moving block 26 is fixedly installed with two rectangular plates, a limiting sleeve is arranged at the end of the oil feeding rod 23 close to the moving block 26, the servo motor 27 is fixedly installed on the rectangular plate, the output shaft of the servo motor 27 movably penetrates the rectangular plate and is fixedly connected with the pin shaft, the servo motor 27 drives the oil feeding rod 23 to rotate in work, the rectangular box 18 as a whole can be lifted in the rectangular groove at the top end of the base 10 when the oil feeding rod 23 is accommodated in the movable cavity of the rectangular box 18, and the lower mold 11 and the workpiece 16 can be conveniently sprayed with lubricant after the oil feeding rod 23 is unfolded.
[0033] A sliding plate 29 is fixedly installed below the oil drum 22, a guide rod 24 is further fixedly installed in the movable cavity of the rectangular box 18, the guide rod 24 movably penetrates the sliding plate 29, and the oil pump 28 is fixedly installed on the sliding plate 29. The oil drum 22, the oil pump 28 and the oil feeding rod 23 are all connected with a delivery pipe.
[0034] Specifically, a sliding plate 29 is fixedly installed below the oil drum 22, a guide rod 24 is further fixedly installed in the movable cavity of the rectangular box 18, the guide rod 24 movably penetrates the sliding plate 29, and the oil pump 28 is fixedly installed on the sliding plate 29. The oil drum 22, the oil pump 28 and the oil feeding rod 23 are all connected with a delivery pipe. The moving block 26 moves to pull the sliding plate 29 to move through the delivery pipe in the moving process, and the oil pump 28 sends the lubricant in the cavity of the oil drum 22 into the oil feeding rod 23 and sprays it out through the nozzle 25 in work.
[0035] The working principle of the large skin forming die is as follows: the stamping assembly is arranged, the upper die 12 is driven to move by the hydraulic oil cylinder 15 to cooperate with the lower die 11, the workpiece 16 can be stamped and formed, in order to reduce the friction between the lower die 11 and the workpiece 16, thereby reducing the stamping force, reducing the wear of the lower die 11, and improving the forming speed and forming quality, the lubricant adding assembly 17 is arranged, the lubricant adding assembly 17 is lifted by the lifting cylinder, the lubricant adding assembly 17 can spray lubricant on the lower die 11 and the workpiece 16 at the same time, the slide plate 29 is fixedly installed below the oil tank 22, the guide rod 24 is fixedly installed in the movable cavity of the rectangular box 18, the guide rod 24 movably penetrates through the slide plate 29, the oil pump 28 is fixedly installed on the slide plate 29, the conveying pipes are connected through the oil tank 22, the oil pump 28 and the oil feeding rod 23, the slide plate 29 is pulled to move through the conveying pipe in the moving process of the moving block 26, the lubricant in the cavity of the oil tank 22 is sent into the oil feeding rod 23 and sprayed out through the nozzle 25 in the working process of the oil pump 28, the two groups of lubricant adding assemblies 17 can complete the spraying work at any position, thereby solving the problem that manual spraying is difficult due to large workpieces, and the practicability of the device is improved.
[0036] The circuit and electronic components and modules are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.
[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.
Claims
1. A forming mold for a large skin, characterized in that, include: The stamping assembly includes two bases (10) and a support plate (13) fixedly installed on the ground. A lower die (11) is provided between the two bases (10). A top plate (14) is installed on the top of the two support plates (13). A hydraulic cylinder (15) is fixedly installed on the top of the top plate (14). The telescopic end of the hydraulic cylinder (15) moves through the top plate (14) and is fixedly connected to an upper die (12). The workpiece (16) is placed above the lower mold (11) and below the upper mold (12); Lubricant adding component (17), the top of the base (10) is provided with a rectangular groove, a lifting cylinder is provided in the rectangular groove, the lubricant adding component (17) is movably engaged in the rectangular groove, the lifting cylinder pushes the lubricant adding component (17) to perform lifting and lowering movements, the lubricant adding component (17) is used to spray lubricant at different positions of the lower mold (11) and the workpiece (16); The lubricant addition assembly (17) includes a rectangular box (18), a position adjustment unit (21), and a spraying unit. The spraying unit includes an oil tank (22), an oil pump (28), and an oil delivery rod (23). The oil pump (28) delivers the lubricant in the oil tank (22) cavity into the oil delivery rod (23) cavity. A nozzle (25) is provided at the end of the oil delivery rod (23) away from the oil tank (22).
2. The forming mold for a large skin according to claim 1, characterized in that: The two sets of lubricant addition components (17) are symmetrical, and each of the two sets of rectangular boxes (18) has a movable cavity on the side that is close to each other.
3. The forming mold for a large skin according to claim 1, characterized in that: The position adjustment unit (21) includes a stepper motor (19) fixedly installed in the movable cavity of the rectangular box (18). The output end of the stepper motor (19) is fixedly connected to a lead screw (20). The end of the lead screw (20) away from the stepper motor (19) is movably installed on one side of the movable cavity of the rectangular box (18) through a bearing.
4. The forming mold for a large skin according to claim 3, characterized in that: The lead screw (20) has a movable block (26) that passes through it. A limiting groove is opened on one side wall of the movable cavity of the rectangular box (18). One end of the movable block (26) is movably engaged in the limiting groove, and the movable block (26) slides along the limiting groove.
5. The forming mold for a large skin according to claim 4, characterized in that: The lead screw (20) and the moving block (26) are connected by threads. Two rectangular plates are fixedly installed at one end of the moving block (26), and a limit sleeve is provided at the end of the oil delivery rod (23) near the moving block (26).
6. The forming mold for a large skin according to claim 5, characterized in that: The limiting sleeve is located between two rectangular plates. The limiting sleeve is movably installed between the two rectangular plates by a pin. The position adjustment unit (21) also includes a servo motor (27) fixedly installed on the rectangular plate. The output shaft of the servo motor (27) movably passes through the rectangular plate and is fixedly connected to the pin.
7. The forming mold for a large skin according to claim 1, characterized in that: A sliding plate (29) is fixedly installed below the oil drum (22). A guide rod (24) is also fixedly installed inside the movable cavity of the rectangular box (18). The guide rod (24) moves through the sliding plate (29). The oil pump (28) is fixedly installed on the sliding plate (29). A delivery pipe is connected between the oil drum (22) and the oil pump (28), and between the oil pump (28) and the oil delivery rod (23).