Hot-press forming die for automobile wheel cover

Abstract

The utility model discloses an automobile wheel cover hot press forming die which comprises an operation table, a lower die is fixedly connected to the middle of the top side of the operation table, supporting rods are fixedly connected to the four corners of the top of the operation table respectively, a top plate is fixedly connected to the top ends of the supporting rods, and a hydraulic cylinder is fixedly connected to the middle of the top side of the top plate. The fixed ends of the hydraulic cylinders penetrate through the bottom side of the top plate, the movable ends of the hydraulic cylinders are fixedly connected with lifting plates, and the lifting plates are arranged on the outer sides of the supporting rods in a sleeving mode, so that the situation that materials are wrinkled or seriously bent before being fed can be avoided, and the material machining and forming quality is further improved; according to the hot-press forming device, the situation that the material is wrinkled or seriously bent before being fed can be avoided, the material machining and forming quality is further improved, the situation that the material is pressed and deviates due to the fact that limiting or manual supporting is not achieved in the mold closing process can be effectively avoided, and the stability of hot-press forming treatment is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a hot pressing molding mold for an automobile wheel cover. Background Art

[0002] At present, the role of car wheel covers on civilian cars is to be beautiful, resist mud and protect the wheels from being deformed by impact from foreign objects. Metal wheel covers are heavy and will affect the car's driving and fuel consumption. Therefore, most of the car wheel covers currently use lightweight car wheel covers, and they are all made of non-metallic inorganic materials. The advantages of this type of material are good insulation, strong heat resistance, good corrosion resistance and high mechanical strength.

[0003] In the prior art, application number 202222374762.0 discloses a hot pressing forming mold for automobile wheel covers, comprising a base, the base being provided with baffles on all sides, a forming cavity being provided inside the base, a fixing mechanism, a forming mechanism and a cooling mechanism, the fixing mechanism being capable of detecting whether the material is fixed, the forming mechanism being capable of controlling and supervising the heating and pressurizing conditions, and the cooling mechanism being capable of quickly cooling and forming the material after heated extrusion forming; the above-mentioned device requires manual labor to place the material into the mold for hot pressing forming, which is prone to wrinkles resulting in a decrease in the quality of the hot pressed wheel cover, and the size of the wheel cover material is often larger than the size of the mold. After the feeding is completed, manual labor is required to intercept the material or fix the position of the hot pressed material, which is time-consuming and labor-intensive, and the work efficiency is low.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] In view of the problems in the related art, the present invention proposes a hot pressing forming die for an automobile wheel cover to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted in this utility model are as follows:

[0007] A hot pressing forming mold for an automobile wheel cover comprises an operating table, a lower mold being fixedly connected to the middle portion of the top side of the operating table, support rods being fixedly connected to the four corners of the top of the operating table, the top ends of the support rods being fixedly connected to a top plate, a hydraulic cylinder being fixedly connected to the middle portion of the top side of the top plate, the fixed end of the hydraulic cylinder passing through the bottom side of the top plate, and the movable end being fixedly connected to a lifting plate, the lifting plates being respectively sleeved on the outside of the support rods, and an upper mold being fixedly connected to the bottom side of the lifting plate, positioning frames being respectively provided on the two side edges of the top of the operating table, and a loading rack being fixedly connected to the upper right side of the operating table.

[0008] Preferably, the loading rack includes side baffles and feed rollers, the feed rollers are symmetrically arranged between the side baffles, a first servo motor is fixedly connected to the outer side of the side baffle on one side, and both ends of the feed rollers are connected to the inner side of the side baffles through bearings.

[0009] Preferably, the output shaft of the first servo motor is fixedly connected to one end of the outer feed roller, and the rear ends of the feed rollers pass through the outer side of the side baffle and are fixedly connected with gears, and the gears are meshed with each other.

[0010] Preferably, electric heating films are equidistantly provided in the wall cavity of the feed roller inside the loading rack on the right side, and the electric heating films are fixedly connected to the inner wall of the feed roller on all sides.

[0011] Preferably, telescopic cylinders are fixedly connected to the wall cavities on both sides of the operating table, the movable ends of the telescopic cylinders are fixedly connected to the bottom of the positioning frame, the positioning frame is movably connected to the inside of the right side wall cavity of the operating table, a lower pressure roller is provided on the upper part of the positioning frame, and a supporting roller is provided below the lower pressure roller.

[0012] Preferably, both ends of the lower pressure roller and the supporting roller are connected with adjustment seats, and the adjustment seats are respectively fixed on both sides of the positioning frame.

[0013] Preferably, a second servo motor is fixedly connected to the bottom side of the adjustment seat on one side, a rectangular groove is dug on the inner side of the adjustment seat, guide rods are symmetrically provided between the inner walls of the rectangular groove, the output shaft of the second servo motor extends into the rectangular groove and is fixedly connected to a first threaded rod, and a second threaded rod is fixedly connected to the top of the first threaded rod.

[0014] Preferably, a lifting block is symmetrically provided inside the adjustment seat on one side through a guide rod, and mounting blocks are respectively provided between the first threaded rod and the guide rod, and between the second threaded rod and the guide rod. The two ends of the lower pressure roller and the supporting roller are respectively connected to the lifting block and the inner side of the mounting block through bearings, and a nut is connected to the inside of the mounting block through a ball bearing, and is threadedly connected to the first threaded rod and the second threaded rod through the nut.

[0015] The beneficial effects of the present invention are as follows: it can drive the incoming material to assist in conveying it forward, and can assist the staff in laying the material on the lower mold, and the loading operation is time-saving and labor-saving. The electric heating film can heat the feed roller and preheat and press the passing material, which can avoid the material from wrinkling or severe bending before feeding, further improving the quality of material processing and forming, and stretching and flattening the wrinkled position of the laid material, without the need for the staff to put their hands into the mold to flatten the material, and further improving the practicality, so that the lower pressure roller and the supporting roller clamp and position the edges of the material on both sides, which can effectively avoid the material being pressed and offset due to the lack of limit or manual support during the mold closing process, and further improve the stability of the hot pressing forming process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the overall structure of a hot pressing forming die for an automobile wheel cover according to an embodiment of the present utility model;

[0018] Figure 2 This is a side view of the internal structure of an operating table of a hot pressing forming mold for an automobile wheel cover according to an embodiment of the present utility model;

[0019] Figure 3 This is a schematic cross-sectional structure diagram of a feed roller of a hot pressing forming die for an automobile wheel cover according to an embodiment of the present utility model;

[0020] Figure 4 The utility model is a schematic diagram of the internal structure of an adjustment seat of a hot pressing forming die for an automobile wheel cover according to an embodiment of the present utility model.

[0021] In the picture:

[0022] 1. Operating table; 2. Lower mold; 3. Support rod; 4. Top plate; 5. Hydraulic cylinder; 6. Lifting plate; 7. Upper mold; 8. Positioning frame; 9. Loading rack; 10. Side baffle; 11. Feed roller; 12. First servo motor; 13. Gear; 14. Electric heating film; 15. Telescopic cylinder; 16. Lower pressure roller; 17. Support roller; 18. Adjustment seat; 19. Second servo motor; 20. Rectangular groove; 21. Guide rod; 22. First threaded rod; 23. Second threaded rod; 24. Mounting block. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the present utility model, a hot pressing forming die for an automobile wheel cover is provided.

[0025] Example 1

[0026] like Figure 1-4 As shown, a hot pressing forming mold for a car wheel cover according to an embodiment of the present invention includes an operating table 1, a lower mold 2 is fixedly connected to the middle of the top side of the operating table 1, and support rods 3 are fixedly connected to the four corners of the top of the operating table 1. The top of the support rods 3 is fixedly connected to a top plate 4, and a hydraulic cylinder 5 is fixedly connected to the middle of the top side of the top plate 4. The fixed end of the hydraulic cylinder 5 passes through the bottom side of the top plate 4, and the movable end is fixedly connected to a lifting plate 6. The lifting plates 6 are respectively sleeved on the outside of the support rods 3, and the bottom side of the lifting plates 6 is fixedly connected to the upper mold 7. Positioning frames 8 are provided on both sides of the top edge of the operating table 1, and a loading frame 9 is fixedly connected to the upper right side of the operating table 1. The loading frame 9 includes side baffles 10 and feed rollers 11. The feed rollers 11 are symmetrically arranged between the side baffles 10. A first servo motor 12 is fixedly connected to the outside of one side baffle 10. Both ends of the feed roller 11 are connected to the inner side of the side baffle 10 through bearings. The output shaft of the first servo motor 12 is fixedly connected to one end of the outer feed roller 11, and the rear ends of the feed rollers 11 pass through the outside of the side baffle 10 and are fixedly connected. Gears 13, gears 13 are meshed with each other, electric heating films 14 are equidistantly provided in the wall cavity of the feed roller 11 inside the right loading rack 9, and the electric heating films 14 are fixedly connected to the inner wall of the feed roller 11. Before the material needs to be fed into the lower mold 2 for feeding, it can first enter between the feed rollers 11, start the first servo motor 12, and the output shaft of the first servo motor 12 drives the outer feed roller 11 to rotate, and the gear 13 at the outer end of the front feed roller 11 meshes and drives the gear 13 at the outer end of the rear feed roller 11 Rotation can make the front and rear feed rollers 11 rotate inward at the same time, which can drive the incoming material to be transported forward, and can assist the staff in laying the material on the lower mold 2. The loading operation is time-saving and labor-saving, and the electric heating film 14 arranged in the wall cavity of the feed roller 11 is started during the feeding process. The electric heating film 14 can heat the feed roller 11 and preheat and press the passing material, which can avoid the material from wrinkling or severe bending before feeding, and further improve the quality of material processing and forming.

[0027] Example 2

[0028] like Figure 1-4 As shown, a hot pressing forming mold for a car wheel cover according to an embodiment of the present invention includes an operating table 1, a lower mold 2 is fixedly connected to the middle part of the top side of the operating table 1, support rods 3 are fixedly connected to the four corners of the top of the operating table 1, the top of the support rods 3 is fixedly connected to the top plate 4, a hydraulic cylinder 5 is fixedly connected to the middle part of the top side of the top plate 4, the fixed end of the hydraulic cylinder 5 passes through the bottom side of the top plate 4, and the movable end is fixedly connected to the lifting plate 6, the lifting plates 6 are respectively sleeved on the outside of the support rods 3, and the bottom side of the lifting plate 6 is fixedly connected to the upper mold 7, positioning frames 8 are respectively provided on the two side edges of the top of the operating table 1, a loading frame 9 is fixedly connected to the upper right side of the operating table 1, and telescopic cylinders 15 are fixedly connected to the wall cavities on both sides of the operating table 1, and the movable end of the telescopic cylinder 15 is fixedly connected to the bottom of the positioning frame 8. The frame 8 is movably connected to the inside of the right wall cavity of the operating table 1. A lower pressure roller 16 is provided on the upper part of the positioning frame 8, and a support roller 17 is provided below the lower pressure roller 16. Adjustment seats 18 are respectively connected to the two ends of the lower pressure roller 16 and the support roller 17. The adjustment seats 18 are respectively fixed on both sides of the positioning frame 8. After the material is output from the loading frame 9, it will be overlapped on the support roller 17 for guided feeding. After the large-sized material is laid on the lower mold 2, the telescopic cylinder 15 can be started. The movable end of the telescopic cylinder 15 drives the positioning frame 8 to descend, so that the position height of the positioning frame 8 on both sides of the lower mold 2 can be adjusted, and the lower pressure roller 16 presses down on the edges of both sides of the material, so that the wrinkles of the laid material are stretched and flattened. There is no need for the staff to put their hands into the molds to flatten the material, and the practicality is further improved.

[0029] Example 3

[0030] like Figure 1-4As shown, according to an embodiment of the present invention, a hot pressing forming mold for a car wheel cover comprises an operating table 1, a lower mold 2 is fixedly connected to the middle of the top side of the operating table 1, support rods 3 are fixedly connected to the four corners of the top of the operating table 1, the top of the support rods 3 is fixedly connected to the top plate 4, a hydraulic cylinder 5 is fixedly connected to the middle of the top side of the top plate 4, the fixed end of the hydraulic cylinder 5 passes through the bottom side of the top plate 4, and the movable end is fixedly connected to the lifting plate 6, the lifting plates 6 are respectively sleeved on the outside of the support rods 3, and the bottom side of the lifting plate 6 is fixedly connected to the upper mold 7, both sides of the top of the operating table 1 The edges are respectively provided with positioning frames 8, a loading frame 9 is fixedly connected to the upper right side of the operating table 1, a second servo motor 19 is fixedly connected to the bottom side of the adjusting seat 18 on one side, a rectangular groove 20 is dug inside the adjusting seat 18, and a guide rod 21 is symmetrically arranged between the inner walls of the rectangular groove 20. The output shaft of the second servo motor 19 extends into the rectangular groove 20 and is fixedly connected to a first threaded rod 22. The top of the first threaded rod 22 is fixedly connected to the second threaded rod 23. A lifting block is symmetrically sleeved inside the adjusting seat 18 on one side through the guide rod 21. The first threaded rod 22 The guide rod 21 and the second threaded rod 23 are respectively provided with a mounting block 24 between them. The two ends of the lower pressure roller 16 and the supporting roller 17 are respectively connected to the lifting block and the inner side of the mounting block 24 through bearings. The interior of the mounting block 24 is connected with a nut through a ball bearing, and the nuts are respectively threadedly connected with the first threaded rod 22 and the second threaded rod 23. The outer walls of the first threaded rod 22 and the second threaded rod 23 are respectively provided with a positive thread groove and a reverse thread groove. The second servo motor 19 is started, and the output shaft of the second servo motor 19 drives the first threaded rod 22 rotates, the first threaded rod 22 drives the second threaded rod 23 to rotate, the first threaded rod 22 and the guide rod 21, the second threaded rod 23 and the mounting block 24 outside the guide rod 21 drive the lower pressure roller 16 and the supporting roller 17 to move inward at the same time, which can enable the lower pressure roller 16 and the supporting roller 17 to clamp and position the edges of both sides of the material during the mold closing and hot pressing forming process, and can effectively avoid the situation in which the material is pressed and deflected due to the lack of limit or manual support during the mold closing process, thereby further improving the stability of the hot pressing forming process.

[0031] In summary, with the aid of the above technical solution of the present invention, when the device is in use, before the material needs to be fed into the lower mold 2 for feeding, it can first enter between the feed rollers 11, start the first servo motor 12, and the output shaft of the first servo motor 12 drives the outer feed roller 11 to rotate, and the gear 13 at the outer end of the front feed roller 11 engages to drive the gear 13 at the outer end of the rear feed roller 11 to rotate, so that the front and rear feed rollers 11 can rotate inward at the same time, which can drive the incoming material to assist in conveying forward, and in the process of feeding, the electric heating film 14 arranged in the wall cavity of the feed roller 11 is started, and the electric heating film 14 can heat the feed roller 11 and preheat and press the passing material. After the material is output from the loading rack 9, it will be overlapped on the roller 17 for guided feeding. After the material is laid on the lower mold 2, the telescopic cylinder 15 can be started. The movable end of the telescopic cylinder 15 drives the positioning frame 8 to descend, so that the position height of the positioning frame 8 on both sides of the lower mold 2 can be adjusted, so that the lower pressure roller 16 presses down the edges of the material on both sides. The outer walls of the first threaded rod 22 and the second threaded rod 23 are respectively provided with positive thread grooves and reverse thread grooves. The second servo motor 19 is started, and the output shaft of the second servo motor 19 drives the first threaded rod 22 to rotate, and the first threaded rod 22 drives the second threaded rod 23 to rotate. The first threaded rod 22 and the guide rod 21, the second threaded rod 23 and the mounting block 24 outside the guide rod 21 drive the lower pressure roller 16 and the supporting roller 17 to move inward at the same time, so that the lower pressure roller 16 and the supporting roller 17 can clamp and position the edges of the material on both sides during the mold closing and hot pressing molding process.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hot pressing mold for an automobile wheel cover, comprising an operating table (1), characterized in that: The middle part of the top side of the operating table (1) is fixedly connected to a lower mold (2); the four corners of the top of the operating table (1) are respectively fixedly connected to support rods (3); the top of the support rods (3) is fixedly connected to a top plate (4); the middle part of the top side of the top plate (4) is fixedly connected to a hydraulic cylinder (5); the fixed end of the hydraulic cylinder (5) passes through the bottom side of the top plate (4), and the movable end is fixedly connected to a lifting plate (6); the lifting plates (6) are respectively sleeved on the outside of the support rods (3), and the bottom side of the lifting plate (6) is fixedly connected to an upper mold (7); positioning frames (8) are respectively provided on the two side edges of the top of the operating table (1); and a loading frame (9) is fixedly connected to the upper right side of the operating table (1).

2. The automobile wheel cover hot pressing forming die according to claim 1, characterized in that: The loading rack (9) includes side baffles (10) and a feeding roller (11). The feeding roller (11) is symmetrically arranged between the side baffles (10). A first servo motor (12) is fixedly connected to the outer side of the side baffle (10) on one side. Both ends of the feeding roller (11) are connected to the inner side of the side baffle (10) through bearings.

3. The automobile wheel cover hot pressing forming die according to claim 2, characterized in that: The output shaft of the first servo motor (12) is fixedly connected to one end of the outer feed roller (11), and the rear end of the feed roller (11) passes through the outer side of the side baffle (10) and is fixedly connected to a gear (13), and the gears (13) are meshed with each other.

4. The automobile wheel cover hot pressing forming die according to claim 3, characterized in that: Electric heating films (14) are evenly spaced in the wall cavity of the feeding roller (11) inside the loading rack (9) on the right side, and the electric heating films (14) are fixedly connected to the inner wall of the feeding roller (11) on all sides.

5. The automobile wheel cover hot pressing forming die according to claim 4, characterized in that: A telescopic cylinder (15) is fixedly connected to the wall cavities on both sides of the operating table (1), and the movable end of the telescopic cylinder (15) is fixedly connected to the bottom of the positioning frame (8). The positioning frame (8) is movably connected to the inside of the right wall cavity of the operating table (1). A lower pressure roller (16) is provided above the inside of the positioning frame (8), and a supporting roller (17) is provided below the lower pressure roller (16).

6. The automobile wheel cover hot pressing forming die according to claim 5, characterized in that: The lower pressure roller (16) and the supporting roller (17) are respectively connected to adjustment seats (18) at both ends, and the adjustment seats (18) are respectively fixed on both sides of the positioning frame (8).

7. The automobile wheel cover hot pressing forming die according to claim 6, characterized in that: A second servo motor (19) is fixedly connected to the bottom side of the adjustment seat (18) on one side, a rectangular groove (20) is dug inside the adjustment seat (18), and guide rods (21) are symmetrically provided between the inner walls of the rectangular groove (20). The output shaft of the second servo motor (19) extends into the rectangular groove (20) and is fixedly connected to a first threaded rod (22), and a second threaded rod (23) is fixedly connected to the top of the first threaded rod (22).

8. The automobile wheel cover hot pressing forming die according to claim 7, characterized in that: A lifting block is symmetrically sleeved inside the adjustment seat (18) on one side through a guide rod (21); a mounting block (24) is sleeved between the first threaded rod (22) and the guide rod (21), and between the second threaded rod (23) and the guide rod (21); both ends of the lower pressure roller (16) and the supporting roller (17) are connected to the lifting block and the inner side of the mounting block (24) through bearings; a nut is connected inside the mounting block (24) through a ball bearing, and is threadedly connected to the first threaded rod (22) and the second threaded rod (23) through the nut.

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