Bending equipment for bicycle hub production and machining

Abstract

The utility model relates to bending equipment for bicycle hub production and processing, which comprises a bottom plate, a processing mechanism and a cooling component, four support rods are fixedly mounted at the top of the bottom plate, a top plate is fixedly mounted at the tops of the support rods, a first cylinder is fixedly mounted at the bottom of the top plate, and a second cylinder is fixedly mounted at the bottom of the top plate. A lower mold is fixedly mounted at the top of the bottom plate, and an upper mold is fixedly mounted on an output shaft of the first air cylinder; the machining mechanism comprises heat conduction plates fixedly installed on the front face and the back face of the lower die. According to the bending equipment for bicycle hub production and machining, by arranging the machining mechanism, before raw materials are bent and machined, a scraping plate can swing repeatedly, impurities on the inner side of a lower mold are cleaned, meanwhile, the raw materials are evenly heated through a heat conduction plate and a heating wire, the heating efficiency is improved, and the production and machining quality is improved; and raw materials obtained after bending production can be rapidly cooled conveniently, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle hub production, in particular to a bending device for producing and processing bicycle hubs. Background Art

[0002] The wheel hub, also known as the rim, wheel, or tire bell, is a cylindrical metal component that supports the inner contour of the tire and is mounted on the shaft in the center. There are many types of wheel hubs depending on diameter, width, molding method, and material. The surface treatment process of the wheel hub will also be different according to the characteristics and needs of different models. It can be roughly divided into two types: baking paint and electroplating. When producing bicycle hubs, the material used to make the hub needs to be bent.

[0003] According to a bending device for producing and processing bicycle wheel hubs disclosed in Chinese patent CN110695152A, the bending device comprises a base and a top plate, both sides of the top of the base are fixedly connected with limiting columns, the tops of two groups of limiting columns are respectively fixedly connected with both sides of the bottom of the top plate, and a forming mechanism is installed between the top plate and the base; the forming mechanism comprises a lower mold, an arc plate, a first hydraulic cylinder, an upper mold, a protective cover and a limiting plate, the lower mold is fixedly installed at the middle of the top of the base, the top of the lower mold is fixedly connected with an arc plate, and both sides of the bottom of the top plate are fixedly installed with the first hydraulic cylinder, The free ends of the first hydraulic cylinder are fixedly connected to the two sides of the top of the upper mold respectively. The invention is connected through a protective cover and a limit plate. During the impact process, the protective cover drops for protection. However, the shape of the workpiece to be processed is different from the shape of the arc plate, so that the workpiece to be processed cannot fit with the arc plate. When the workpiece to be processed is heated by a resistance wire, there will be a certain distance between the workpiece to be processed and the resistance wire, and the distance is different, resulting in low heating efficiency and uneven heating of the workpiece to be processed, affecting the quality of production and processing. Therefore, a bending device for bicycle wheel hub production and processing is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a bending device for the production and processing of bicycle wheel hubs, which has the advantages of good heating effect, etc., and solves the problem that the shape of the workpiece to be processed is different from the shape of the curved plate, so that the workpiece to be processed cannot fit with the curved plate. When the workpiece to be processed is heated by a resistance wire, there will be a certain distance between the workpiece to be processed and the resistance wire, and the distance is different, resulting in low heating efficiency and uneven heating of the workpiece to be processed, affecting the quality of production and processing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bending device for producing and processing bicycle wheel hubs, comprising a bottom plate, a processing mechanism and a cooling component, four support rods are fixedly installed on the top of the bottom plate, a top plate is fixedly installed on the top of the support rods, a first cylinder is fixedly installed on the bottom of the top plate, a lower mold is fixedly installed on the top of the bottom plate, and an upper mold is fixedly installed on the output shaft of the first cylinder;

[0006] The processing mechanism includes a heat conducting plate fixedly mounted on the front and back sides of the lower mold, a heating wire is arranged inside the heat conducting plate, two fixed plates are fixedly mounted on the back side of the top of the bottom plate, a second cylinder is fixedly mounted on the front side of the fixed plate on the back side, a movable plate is fixedly mounted on the output shaft of the second cylinder, a servo motor is fixedly mounted on the back side of the movable plate, the front side of the movable plate is rotatably connected to a rotating rod with one end passing through and extending to the back side of the movable plate, two driven bevel gears are fixedly mounted on the outer side of the rotating rod, a semi-bevel gear meshing with the driven bevel gear is fixedly mounted on the output shaft of the servo motor, and a scraper is fixedly mounted on one end of the rotating rod.

[0007] Furthermore, the cooling component includes a fan fixedly installed on the top of the top plate, mounting plates are fixedly installed on the left and right sides of the top of the bottom plate, air outlets are fixedly installed on the opposite sides of the two mounting plates, and an air outlet of the fan is fixedly installed with an air duct having one end passing through the mounting plate and connected to the air outlet.

[0008] Furthermore, the upper mold is located on the top of the lower mold, and two limit plates are fixedly installed on the left and right sides of the upper mold.

[0009] Furthermore, one end of the support rod passes through and extends to the outer side of the limiting plate, and the support rod is slidably connected to the inner wall of the limiting plate.

[0010] Furthermore, two sliding rods are fixedly installed between the two fixed plates, and one end of the sliding rod passes through and extends through the movable plate and is slidably connected to the movable plate.

[0011] Furthermore, the rotating rod is in an L-shape, the scraper is located between the two heat-conducting plates, and one end of the scraper away from the rotating rod is in contact with the inner side of the lower mold.

[0012] Furthermore, collection boxes for collecting impurities are placed on both left and right sides of the top of the bottom plate, and the mounting plate is located between the two limiting plates.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The bending equipment for the production and processing of bicycle wheel hubs is provided with a processing mechanism. Before the raw material is bent, the scraper can be repeatedly swung to clean the impurities on the inner side of the lower mold. At the same time, the raw material is evenly heated by the heat conduction plate and the heating wire, thereby improving the heating efficiency and the production and processing quality. By providing a cooling component, the raw material can be quickly cooled after production bending, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view of the fixed plate and the movable plate of the utility model;

[0017] Figure 3 It is a schematic cross-sectional view of the top surface of the heat conducting plate of the utility model;

[0018] Figure 4 This is a schematic diagram of the support rod and top plate structure of the utility model.

[0019] In the figure: 1 bottom plate, 2 first cylinder, 3 lower mold, 4 upper mold, 5 heat conduction plate, 6 heating wire, 7 fixed plate, 8 support rod, 9 top plate, 10 second cylinder, 11 movable plate, 12 servo motor, 13 rotating rod, 14 driven bevel gear, 15 semi-bevel gear, 16 scraper, 17 fan, 18 mounting plate, 19 air outlet, 20 air guide pipe, 21 limit plate, 22 slide rod. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 A bending device for producing and processing a bicycle wheel hub in this embodiment includes a base plate 1, a processing mechanism and a cooling component. Four support rods 8 are fixedly installed on the top of the base plate 1, a top plate 9 is fixedly installed on the top of the support rods 8, a first cylinder 2 is fixedly installed on the bottom of the top plate 9, a lower mold 3 is fixedly installed on the top of the base plate 1, and an upper mold 4 is fixedly installed on the output shaft of the first cylinder 2.

[0022] The processing mechanism includes a heat conducting plate 5 fixedly mounted on the front and back sides of the lower mold 3, a heating wire 6 is arranged inside the heat conducting plate 5, two fixed plates 7 are fixedly mounted on the back side of the top of the bottom plate 1, a second cylinder 10 is fixedly mounted on the front side of the back fixed plate 7, a movable plate 11 is fixedly mounted on the output shaft of the second cylinder 10, a servo motor 12 is fixedly mounted on the back side of the movable plate 11, the front side of the movable plate 11 is rotatably connected to a rotating rod 13 having one end passing through and extending to the back side of the movable plate 11, two driven bevel gears 14 are fixedly mounted on the outer side of the rotating rod 13, a semi-bevel gear 15 meshing with the driven bevel gear 14 is fixedly mounted on the output shaft of the servo motor 12, a scraper 16 is fixedly mounted on one end of the rotating rod 13, the upper mold 4 is located on the top of the lower mold 3, and the left side of the upper mold 4 Two limit plates 21 are fixedly installed on both right sides, one end of the support rod 8 passes through and extends to the outer side of the limit plate 21, the support rod 8 is slidably connected to the inner wall of the limit plate 21, so as to improve the stability of the upper mold 4 when it moves, and two sliding rods 22 are fixedly installed between the two fixed plates 7, one end of the sliding rod 22 passes through and extends the movable plate 11 and is slidably connected to the movable plate 11, so as to improve the stability of the movable plate 11 when it moves, the shape of the rotating rod 13 is L-shaped, and the scraper 16 is located between the two heat conducting plates 5, and the end of the scraper 16 away from the rotating rod 13 is in contact with the inner side of the lower mold 3, and the rotation of the scraper 16 can prevent the existence of impurities on the inner side of the lower mold 3 and reduce the production quality of the wheel hub, and collection boxes for collecting impurities are placed on the left and right sides of the top of the bottom plate 1.

[0023] It should be noted that by setting up a processing mechanism, before the raw material is bent, the scraper 16 can be swung repeatedly to clean the impurities on the inside of the lower mold 3. At the same time, the raw material is evenly heated by the heat conduction plate 5 and the heating wire 6, thereby improving the heating efficiency and the production and processing quality.

[0024] The cooling component includes a fan 17 fixedly installed on the top of the top plate 9, and mounting plates 18 are fixedly installed on the left and right sides of the top of the bottom plate 1. An air outlet 19 is fixedly installed on the opposite side of the two mounting plates 18. An air duct 20 with one end penetrating the mounting plate 18 and connected to the air outlet 19 is fixedly installed at the air outlet of the fan 17. The mounting plate 18 is located between two limit plates 21. When the limit plate 21 moves downward, it will not touch the air outlet 19.

[0025] It should be noted that by providing a cooling component, it is convenient to quickly cool the raw materials after bending in production, thereby improving production efficiency.

[0026] The working principle of the above embodiment is as follows: when in use, the servo motor 12 is started to drive the semi-conical gear 15 to rotate. While the semi-conical gear 15 rotates, the rotating rod 13 is driven to rotate through the driven conical gear 14, and then the scraper 16 is driven to swing back and forth along the inner wall of the lower mold 3 to scrape the impurities on the inner side of the lower mold 3 and drop them into the collection box, and then the rotating rod 13 is driven by the servo motor 12 to rotate as a whole to the top of the heat conducting plate 5, and then the second cylinder 10 is started to drive the movable plate 11 to move to the side away from the heat conducting plate 5, so that the rotating rod 13 and the scraper 16 move to the back of the lower mold 3, and then the raw material is placed on the lower mold 3, and the raw material is heated by the heating wire 6. After the heating is completed, the first cylinder 2 is started to drive the upper mold 4 to move downward, and after the raw material is bent, the upper mold 4 is moved upward and reset by the first cylinder 2, and the fan 17 is started to blow air to cool the bent raw material through the air guide 20 and the air outlet 19.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A bending device for producing and processing a bicycle wheel hub, comprising a base plate (1), a processing mechanism and a cooling component, characterized in that: Four support rods (8) are fixedly mounted on the top of the bottom plate (1), a top plate (9) is fixedly mounted on the top of the support rods (8), a first cylinder (2) is fixedly mounted on the bottom of the top plate (9), a lower mold (3) is fixedly mounted on the top of the bottom plate (1), and an upper mold (4) is fixedly mounted on the output shaft of the first cylinder (2); The processing mechanism comprises a heat conducting plate (5) fixedly mounted on the front and back sides of the lower mold (3), a heating wire (6) being arranged inside the heat conducting plate (5), two fixed plates (7) being fixedly mounted on the back side of the top of the bottom plate (1), a second cylinder (10) being fixedly mounted on the front side of the fixed plate (7) on the back side, a movable plate (11) being fixedly mounted on the output shaft of the second cylinder (10), a servo motor (12) being fixedly mounted on the back side of the movable plate (11), the front side of the movable plate (11) being rotatably connected to a rotating rod (13) having one end penetrating through and extending to the back side of the movable plate (11), two driven bevel gears (14) being fixedly mounted on the outer side of the rotating rod (13), a semi-bevel gear (15) meshing with the driven bevel gear (14) being fixedly mounted on the output shaft of the servo motor (12), and a scraper (16) being fixedly mounted on one end of the rotating rod (13).

2. The bending device for producing and processing a bicycle hub according to claim 1, characterized in that: The cooling component comprises a fan (17) fixedly mounted on the top of the top plate (9), mounting plates (18) are fixedly mounted on both left and right sides of the top of the bottom plate (1), an air outlet (19) is fixedly mounted on the opposite side of the two mounting plates (18), and an air duct (20) is fixedly mounted at the air outlet of the fan (17), one end of which passes through the mounting plate (18) and is connected to the air outlet (19).

3. The bending device for producing and processing a bicycle hub according to claim 1, characterized in that: The upper mold (4) is located on the top of the lower mold (3), and two limit plates (21) are fixedly installed on the left and right sides of the upper mold (4).

4. The bending device for producing and processing a bicycle hub according to claim 3, characterized in that: One end of the support rod (8) penetrates through and extends to the outside of the limiting plate (21), and the support rod (8) is slidably connected to the inner wall of the limiting plate (21).

5. The bending device for producing and processing a bicycle hub according to claim 1, characterized in that: Two sliding rods (22) are fixedly installed between the two fixed plates (7), and one end of the sliding rod (22) penetrates and extends through the movable plate (11) and is slidably connected to the movable plate (11).

6. The bending device for producing and processing a bicycle hub according to claim 1, characterized in that: The rotating rod (13) is in an L-shape, the scraper (16) is located between the two heat conducting plates (5), and one end of the scraper (16) away from the rotating rod (13) is in contact with the inner side of the lower mold (3).

7. The bending device for producing and processing a bicycle hub according to claim 2, characterized in that: Collection boxes for conveniently collecting impurities are placed on both the left and right sides of the top of the bottom plate (1), and the mounting plate (18) is located between the two limiting plates (21).

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