Rim expanding device

Abstract

The utility model discloses a rim expanding device, which relates to the technical field of rim processing, and comprises a workbench, an upper die and two lower dies, a fixing plate is provided with a fixing mechanism used for installing and fixing the upper die, the fixing mechanism is arranged on the upper die, the workbench is provided with a rotating mechanism used for circumferential rotation, and the rotating mechanism is arranged on the lower die. According to the utility model, the upper die with the T-shaped rod slides into the T-shaped groove, and then the first twisting handle is rotated to drive the first lead screw to rotate, so that the first L-shaped rod slides in the first sliding groove opening and is inserted into the T-shaped rod, and then the upper die is installed and fixed; and a lower mold with a positioning rod is inserted into a connecting plate, a second twisting handle is rotated, a second lead screw is driven to rotate, a second L-shaped rod slides in a second sliding groove opening and is inserted into the positioning rod, and the lower mold is fixedly installed, so that the upper mold and the lower mold are conveniently detached and replaced, operation is convenient, and the replacement speed is high.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel rim processing, in particular to a wheel rim diameter expanding device. Background Art

[0002] The rim, commonly known as the wheel ring, is the component on the wheel that mounts and supports the tire around it. It forms a wheel with the spokes. The rim and the tire jointly bear the load on the wheel to ensure driving safety, dissipate the heat generated by the tire, and extend the service life of the tire. The rim can be divided into integral, permanently connected or detachable types. Common rim types include deep groove rims, flat-bottom rims, split rims, semi-deep groove rims, deep groove wide rims, flat-bottom wide rims and full bevel bottom rims. Traditionally, rims are mostly made of steel, but in recent years, aluminum alloy rims have gradually been widely used due to their light weight, good heat dissipation performance, high roundness, good energy absorption and high rigidity.

[0003] In the prior art, the equipment used for expanding the diameter of the rim is usually composed of a stamping mechanism and upper and lower molds. When the diameter of the rim is expanded by stamping, different molds are required to be used when the diameter of the rim is different. At this time, the mold needs to be replaced to adapt to the expanded diameter. The upper and lower molds are usually connected by multiple bolts. To replace and disassemble them, auxiliary tools are needed, which makes the operation more troublesome and the replacement speed is slow.

[0004] For this purpose, a rim diameter expanding device is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background technology, and the utility model provides a rim diameter expanding device.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A rim expansion device comprises a workbench, an upper mold and two lower molds, a gantry is arranged on the top of the workbench, a fixed column is arranged on the top of the workbench, and the fixed column is installed on the gantry, a spring is sleeved on the outer side of the fixed column, a cylinder is arranged on the surface of the gantry, a fixed plate is arranged at the bottom of the cylinder, and the fixed plate is slidably installed on the fixed column, a fixing mechanism for fixing the upper mold is arranged on the fixed plate, and the fixing mechanism is arranged on the upper mold, a rotating mechanism for circular rotation is arranged on the workbench, an installation mechanism for fixing the lower mold is arranged on the rotating mechanism, and the installation mechanism is arranged on the lower mold, the number of the installation mechanisms is set to two groups, and a storage box is arranged on the side of the workbench.

[0008] Furthermore, the fixing mechanism includes a T-shaped rod, which is installed on the top of the upper mold. A T-shaped slot is opened on the side of the fixing plate, and the T-shaped rod is slidably installed on the inner wall of the T-shaped slot.

[0009] Furthermore, a slide groove is passed through the top of the fixed plate, and two rectangular plates are installed on the top of the fixed plate. A screw rod is rotatably installed between the two rectangular plates, an L-shaped rod is threadedly installed on the outer wall of the screw rod, and the L-shaped rod is slidably installed on the inner wall of the slide groove, and the L-shaped rod is slidably installed on the T-shaped rod, the front end of the screw rod extends to the outside of the rectangular plate, and a twist handle is installed on the surface of the screw rod at the extended end.

[0010] Furthermore, the rotating mechanism includes a connecting shaft, which is rotatably mounted on a workbench, a motor is mounted at the bottom of the workbench, and an output end of the motor is mounted at the bottom of the connecting shaft, a circular groove is opened at the top of the workbench, a connecting plate is mounted at the top of the connecting shaft, four pillars are mounted at the bottom of the connecting plate, and the pillars are rotatably mounted inside the circular groove.

[0011] Furthermore, the mounting mechanism includes two rectangular plates 2, which are mounted on the bottom of the connecting plate, and a slide groove 2 is passed through the top of the connecting plate. A screw rod 2 is rotatably mounted between the two rectangular plates 2, and an L-shaped rod 2 is threadedly mounted on the outer wall of the screw rod 2, and the L-shaped rod 2 is slidably mounted on the outer wall of the slide groove 2. A positioning rod is installed at the bottom of the lower mold, and the positioning rod is slidably mounted on the connecting plate, and the L-shaped rod 2 is slidably mounted on the positioning rod. The front end of the screw rod 2 extends outside the rectangular plate 2, and a twist handle 2 is mounted on the surface of the screw rod 2 at the extended end.

[0012] Furthermore, the number of the storage boxes is set to two, which are symmetrically distributed on the sides of the workbench.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model provides a screw rod one, a screw rod two and an L-shaped rod one, and slides an upper mold with a T-shaped rod into the T-shaped groove, and then rotates a twist handle one to drive the screw rod one to rotate, so that the L-shaped rod one slides in a sliding groove mouth one and is inserted on the T-shaped rod, and then the upper mold is installed and fixed, and then the lower mold with a positioning rod is inserted into a connecting plate, and the twist handle two is rotated to drive the screw rod two to rotate, so that the L-shaped rod two slides in a sliding groove mouth two and is inserted on the positioning rod, and then the lower mold is installed and fixed, thereby facilitating the disassembly and replacement of the upper mold and the lower mold, and the operation is convenient and the replacement speed is fast.

[0015] The utility model, through the arrangement of the motor, the connecting shaft and the connecting plate, firstly takes out the first rim from the first storage box and places it on the first lower mold, starts the motor, drives the connecting shaft to rotate, causes the connecting plate to perform circular motion, drives the first lower mold to rotate and be located below the upper mold, and the second lower mold is located directly in front of the staff, starts the cylinder, drives the fixing plate to slide on the fixing column, and compresses the spring, the upper mold presses and expands the diameter of the rim, at which time the second rim can be placed on the second lower mold, starts the motor again, drives the connecting plate to perform circular motion, rotates the first lower mold to the front of the staff, rotates the second lower mold to directly below the upper mold, starts the cylinder, drives the upper mold to press and expand the diameter of the second rim, and the staff can store the first rim in the second storage box, and work alternately in sequence, thereby realizing alternately punching and expanding the diameter of the rims and improving the expansion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the rotating mechanism and the mounting mechanism of the utility model.

[0019] 1. Workbench; 2. Gantry; 3. Cylinder; 4. Storage box; 5. Fixed column; 6. Spring; 7. Fixed plate; 8. Upper mold; 9. Lower mold; 10. Fixing mechanism; 1001. T-slot; 1002. T-bar; 1003. Rectangular plate one; 1004. Slide slot one; 1005. Screw rod one; 1006. Twist handle one; 1007. L-shaped rod one; 11. Rotating mechanism; 1101. Connecting shaft; 1102. Motor; 1103. Connecting plate; 1104. Pillar; 12. Mounting mechanism; 1201. Rectangular plate two; 1202. Slide slot two; 1203. Screw rod two; 1204. L-shaped rod two; 1205. Twist handle two; 1206. Positioning rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] like Figure 1-3As shown, a rim diameter expanding device comprises a workbench 1, an upper mold 8 and two lower molds 9, a gantry 2 is arranged on the top of the workbench 1, a fixed column 5 is arranged on the top of the workbench 1, and the fixed column 5 is installed on the gantry 2, a spring 6 is sleeved on the outer side of the fixed column 5, a cylinder 3 is arranged on the surface of the gantry 2, a fixed plate 7 is arranged at the bottom of the cylinder 3, and the fixed plate 7 is slidably installed on the fixed column 5, a fixing mechanism 10 for fixing the upper mold 8 is arranged on the fixed plate 7, and the fixing mechanism 10 is arranged on the upper mold 8, a rotating mechanism 11 for circular rotation is arranged on the workbench 1, a mounting mechanism 12 for fixing the lower mold 9 is arranged on the rotating mechanism 11, and the mounting mechanism 12 is arranged on the lower mold 9, and the number of the mounting mechanisms 12 is set to two groups, a storage box 4 is arranged on the side of the workbench 1, in this embodiment, when in use, firstly place the first rim on the first lower mold 9, start the rotating mechanism 11, and drive the first lower mold 9 to rotate. The mold 9 rotates and is located below the upper mold 8, while the second lower mold 9 is located directly in front of the staff. The cylinder 3 is started to drive the fixed plate 7 to slide on the fixed column 5 and compress the spring 6. The upper mold 8 punches and expands the rim. At this time, the second rim can be placed on the second lower mold 9, and the rotating mechanism 11 is started to rotate the first lower mold 9 in front of the staff. The second lower mold 9 is rotated to directly below the upper mold 8, and the cylinder 3 is started to drive the upper mold 8 to punch and expand the second rim. The staff can store the first rim in the storage box 4 and punch the rim expansion alternately in turn. If the rim expansion diameter is different, the upper mold 8 and the two lower molds 9 can be disassembled and replaced respectively through the cooperation of the fixing mechanism 10 and the installation mechanism 12, and the corresponding upper mold 8 and lower mold 9 can be easily disassembled and replaced, and the operation is convenient and the replacement speed is fast, thereby realizing the alternate punching and expansion of the rim and improving the expansion efficiency.

[0026] like Figure 1-2 As shown, the fixing mechanism 10 includes a T-bar 1002, which is installed on the top of the upper mold 8. A T-slot 1001 is provided on the side of the fixing plate 7, and the T-bar 1002 is slidably installed on the inner wall of the T-slot 1001. In this embodiment, through the arrangement of the T-bar 1002 and the T-slot 1001, the upper mold 8 can be installed and positioned below the fixing plate 7 for easy installation.

[0027] like Figure 2As shown, a slide groove 1004 is passed through the top of the fixed plate 7, and two rectangular plates 1003 are installed on the top of the fixed plate 7. A screw rod 1005 is rotatably installed between the two rectangular plates 1003. An L-shaped rod 1007 is threadedly installed on the outer wall of the screw rod 1005, and the L-shaped rod 1007 is slidably installed on the inner wall of the slide groove 1004. The L-shaped rod 1007 is slidably installed on the T-shaped rod 1002. The front end of the screw rod 1005 extends to the outside of the rectangular plate 1003, and a twist handle 1006 is installed on the surface of the extended end screw rod 1005. In this embodiment, by rotating the twist handle 1006, the screw rod 1005 is driven to rotate, so that the L-shaped rod 1007 slides in the slide groove 1004 and is inserted into the T-shaped rod 1002, so that the position of the T-shaped rod 1002 is fixed, thereby fixing the upper mold 8.

[0028] like Figure 1 , Figure 3 As shown, the rotating mechanism 11 includes a connecting shaft 1101, which is rotatably installed on the workbench 1, a motor 1102 is installed at the bottom of the workbench 1, and the output end of the motor 1102 is installed at the bottom of the connecting shaft 1101, a circular groove is opened on the top of the workbench 1, a connecting plate 1103 is installed on the top of the connecting shaft 1101, four pillars 1104 are installed at the bottom of the connecting plate 1103, and the pillars 1104 are rotatably installed inside the circular groove. In this embodiment, by starting the motor 1102, the connecting shaft 1101 is driven to rotate, and the connecting plate 1103 moves in a circle, and the four pillars 1104 move in a circle in the circular groove.

[0029] like Figure 1 , Figure 3 As shown, the mounting mechanism 12 includes two rectangular plates 1201, the rectangular plates 1201 are mounted on the bottom of the connecting plate 1103, the top of the connecting plate 1103 is penetrated with a second slide slot 1202, a screw rod 1203 is rotatably mounted between the two rectangular plates 1201, an L-shaped rod 1204 is threadedly mounted on the outer wall of the screw rod 1203, and the L-shaped rod 1204 is slidably mounted on the outer wall of the second slide slot 1202, a positioning rod 1206 is installed at the bottom of the lower mold 9, and the positioning rod 1206 is slidably mounted on the connecting plate 1103, And the L-shaped rod 1204 is slidably installed on the positioning rod 1206, the front end of the screw rod 1203 extends to the outside of the rectangular plate 1201, and a twist handle 1205 is installed on the surface of the extended end screw rod 1203. In this embodiment, by inserting the lower mold 9 with the positioning rod 1206 into the connecting plate 1103, and then rotating the twist handle 1205, the screw rod 1203 is driven to rotate, so that the L-shaped rod 1204 slides in the slide groove 1202 and is inserted into the positioning rod 1206 to fix its position, thereby fixing the lower mold 9.

[0030] like Figure 1 As shown, the number of storage boxes 4 is set to two, which are symmetrically distributed on the side of the workbench 1. In this embodiment, by setting the number and orientation of the storage boxes 4, they can be divided into loading unexpanded rims and expanded rims, thereby facilitating the loading and unloading of materials by the staff.

[0031] In summary, when in use, first place the first rim on the first lower mold 9, start the rotating mechanism 11, drive the first lower mold 9 to rotate and be located below the upper mold 8, and the second lower mold 9 is located directly in front of the staff, start the cylinder 3, drive the fixed plate 7 to slide on the fixed column 5, and compress the spring 6, the upper mold 8 punches and expands the rim, at this time, the second rim can be placed on the second lower mold 9, start the rotating mechanism 11, rotate the first lower mold 9 in front of the staff, the second lower mold 9 is rotated to directly below the upper mold 8, start the cylinder 3, drive the upper mold 8 to punch and expand the second rim, the staff can store the first rim in the storage box 4, and punch the rim expansion alternately in turn. If the rim expansion diameter is different, the upper mold 8 and the two lower molds 9 can be disassembled and replaced respectively through the cooperation of the fixing mechanism 10 and the installation mechanism 12, and the corresponding upper mold 8 and lower mold 9 can be easily disassembled and replaced, the operation is convenient, and the replacement speed is fast, thereby realizing the alternating rim The punching expansion can improve the expansion efficiency. The upper mold 8 can be installed under the fixed plate 7 and positioned by setting the T-bar 1002 and the T-slot 1001, which is convenient for installation. By turning the twist handle 1006, the screw rod 1005 is driven to rotate, so that the L-shaped rod 1007 slides in the sliding groove 1004 and is inserted on the T-bar 1002. The position of the T-bar 1002 is fixed, so that the upper mold 8 is installed and fixed. By starting the motor 1102, the connecting shaft 1101 is driven to rotate, so that the connecting plate 1103 moves in a circular motion accordingly. The lower mold 9 is installed and fixed by inserting the lower mold 9 with the positioning rod 1206 into the connecting plate 1103 and rotating the twist handle 1205 to drive the screw rod 1203 to rotate, so that the L-shaped rod 1204 slides in the sliding groove 1202 and is inserted into the positioning rod 1206 to fix its position. By setting the number and orientation of the storage box 4, it can be divided into loading the rim that has not been expanded and the rim that has been expanded, so that the staff can load and unload the materials conveniently.

[0032] 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. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rim expansion device, comprising a workbench (1), an upper mold (8) and two lower molds (9), characterized in that: A gantry (2) is arranged on the top of the workbench (1), a fixed column (5) is arranged on the top of the workbench (1), and the fixed column (5) is installed on the gantry (2), a spring (6) is sleeved on the outside of the fixed column (5), a cylinder (3) is arranged on the surface of the gantry (2), a fixed plate (7) is arranged at the bottom of the cylinder (3), and the fixed plate (7) is slidably installed on the fixed column (5), a fixing mechanism (10) for fixing the upper mold (8) is arranged on the fixed plate (7), and the fixing mechanism (10) is arranged on the upper mold (8), a rotating mechanism (11) for circular rotation is arranged on the workbench (1), a mounting mechanism (12) for fixing the lower mold (9) is arranged on the rotating mechanism (11), and the mounting mechanism (12) is arranged on the lower mold (9), and the number of the mounting mechanisms (12) is set to two groups, and a storage box (4) is arranged on the side of the workbench (1).

2. A rim diameter expanding device according to claim 1, characterized in that: The fixing mechanism (10) comprises a T-shaped rod (1002), which is mounted on the top of the upper mold (8). A T-shaped slot (1001) is provided on the side of the fixing plate (7), and the T-shaped rod (1002) is slidably mounted on the inner wall of the T-shaped slot (1001).

3. A rim diameter expanding device according to claim 2, characterized in that: The top of the fixed plate (7) is penetrated by a sliding groove opening (1004), and two rectangular plates (1003) are installed on the top of the fixed plate (7). A screw rod (1005) is rotatably installed between the two rectangular plates (1003). An L-shaped rod (1007) is threadedly installed on the outer wall of the screw rod (1005), and the L-shaped rod (1007) is slidably installed on the inner wall of the sliding groove opening (1004). The L-shaped rod (1007) is slidably installed on the T-shaped rod (1002). The front end of the screw rod (1005) extends outside the rectangular plate (1003), and a twist handle (1006) is installed on the surface of the extended end of the screw rod (1005).

4. A rim diameter expanding device according to claim 1, characterized in that: The rotating mechanism (11) comprises a connecting shaft (1101), the connecting shaft (1101) is rotatably mounted on a workbench (1), a motor (1102) is mounted at the bottom of the workbench (1), and an output end of the motor (1102) is mounted at the bottom of the connecting shaft (1101), a circular groove is provided at the top of the workbench (1), a connecting plate (1103) is mounted at the top of the connecting shaft (1101), four pillars (1104) are mounted at the bottom of the connecting plate (1103), and the pillars (1104) are rotatably mounted inside the circular groove.

5. A rim diameter expanding device according to claim 4, characterized in that: The mounting mechanism (12) comprises two rectangular plates (1201), the rectangular plates (1201) are mounted on the bottom of the connecting plate (1103), the top of the connecting plate (1103) is penetrated by a second sliding groove (1202), a screw rod (1203) is rotatably mounted between the two rectangular plates (1201), an L-shaped rod (1204) is threadedly mounted on the outer wall of the screw rod (1203), and the L-shaped rod (1204) is slidably mounted on the outer wall of the screw rod (1203). The lower mold (9) is movably mounted on the outer wall of the second slide groove opening (1202), a positioning rod (1206) is installed at the bottom of the lower mold (9), the positioning rod (1206) is slidably mounted on the connecting plate (1103), and the second L-shaped rod (1204) is slidably mounted on the positioning rod (1206), the front end of the second screw rod (1203) extends outside the second rectangular plate (1201), and a twist handle (1205) is installed on the surface of the second screw rod (1203) at the extended end.

6. A rim diameter expanding device according to claim 1, characterized in that: The number of storage boxes (4) is set to two, which are symmetrically distributed on the side of the workbench (1).

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