Rim bolt pressing mechanism

Abstract

The utility model provides a rim bolt hold-down mechanism, relates to rim bolt hold-down technical field, including: positioning pressure plate and press machine, the upper end of positioning pressure plate is connected with press machine through piston column, the front end face of positioning pressure plate is fixedly installed with small motor, the left side and right side of positioning pressure plate are symmetrically provided with adjusting chapiter, and the adjusting chapiter is connected with the press machine through the piston column. A double-thread lead screw is installed at the lower end of the positioning pressing plate through a clamping groove, the side end of the double-thread lead screw is in shaft connection with a small motor and an adjusting column head, the surface of the double-thread lead screw is connected with a positioning clamping plate through a driving block, a limiting disc is distributed at the lower end of the positioning pressing plate, and a limiting hole is formed in the surface of the limiting disc. The lower end of the limiting disc is connected with a supporting plate through a first electric push rod. According to the rim bolt pressing mechanism, the problem that the bolt is difficult to press into a rim hole quickly and accurately in the process that the rim bolt is pressed by the pressing mechanism is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheel rim bolt compression, specifically relates to a wheel rim bolt compression mechanism. BACKGROUND

[0002] Wheel rim bolt is usually composed of screw rod, nut and washer. According to the different screw rod structures, it can be divided into single head bolt and double head bolt. In modern cars, most of them use single head bolt, and the bolt is fixedly installed on the hub by interference fit, and then the wheel is fixed by the nut, when the wheel rim bolt is pressed into the wheel rim hole, it needs to be pressed into the wheel rim by using the compression mechanism, but the bolt is difficult to be pressed into the wheel rim hole quickly and accurately during the compression mechanism holding the wheel rim bolt. SUMMARY

[0003] In order to overcome the defects existing in the prior art, a wheel rim bolt compression mechanism is provided to solve the problem that it is difficult to quickly and accurately press the bolt into the wheel rim hole during the compression mechanism holding the wheel rim bolt.

[0004] In order to achieve the above purpose, a wheel rim bolt compression mechanism is provided, which comprises: a positioning pressing plate and a press machine, the upper end of the positioning pressing plate is connected with the press machine through a piston column,

[0005] The front end face of the positioning pressing plate is fixedly installed with a small motor, the left and right sides of the positioning pressing plate are symmetrically provided with adjusting studs, the lower end of the positioning pressing plate is installed with a double threaded screw rod through a clamping groove, the side ends of the double threaded screw rod are respectively connected with a small motor and an adjusting stud through a shaft, the surface of the double threaded screw rod is connected with a positioning clamp through a driving block, the lower end of the positioning pressing plate is distributed with a limiting disc, the surface of the limiting disc is provided with a limiting hole, and the lower end of the limiting disc is connected with a supporting plate through an electric push rod.

[0006] Further, the rear end of the supporting plate is connected with a compression rack through a sliding rail assembly, the upper end face of the compression rack is fixedly provided with a press machine, and the surface of the supporting plate is embedded and fixed with an electric push rod.

[0007] Further, the lower end face of the compression rack is welded with a rim processing table, the side end of the rim processing table is connected with a rim surface pressing plate through an electric push rod, and the lower end of the rim processing table is supported and connected with a hydraulic support leg.

[0008] Further, the electric push rod three is fixed between the hydraulic support legs, and the upper end of the electric push rod three is connected with a rim positioning disc; and the upper surface of the rim positioning disc is provided with a convex column.

[0009] Further, the surface of the limiting disc is annularly and equidistantly distributed with limiting holes; and the limiting holes are distributed in alignment with the convex columns of the lower end rim positioning disc.

[0010] Further, the lower end face of the positioning pressing plate is provided with a clamping groove, and the groove wall of the clamping groove is connected with a double-threaded screw rod through a bearing.

[0011] Further, the surface of the double-threaded screw rod is connected with two groups of driving blocks, and the lower end face of the driving block is fixed with a positioning clamping plate.

[0012] Further, the rear end of the small motor is connected with the two groups of double-threaded screw rods through a connecting rod, and the double-threaded screw rods are circumferentially distributed in the lower end groove of the positioning pressing plate.

[0013] The beneficial effect of the utility model lies in, the rim bolt pressing mechanism of the utility model utilizes the surface limiting hole of the limiting disc to limit the rim bolt inserted to move to the clamping groove of the positioning pressing plate, the positioning clamping plate is driven to clamp the rim bolt end head through the adjusting stud, the small motor drive screw rod and the driving block, the center hole position of the multiple groups of rim bolts clamped by the lower end of the positioning clamping plate is aligned and matched with the lower end rim, the pressing mechanism is clamped to multiple groups of rim bolts, and the precise pressing effect of the rim bolt pressing mechanism is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view structural schematic drawing of the rim bolt pressing mechanism of the utility model embodiment.

[0015] Figure 2 It is the front view sectional structure schematic drawing of the rim bolt pressing device of the utility model embodiment.

[0016] Figure 3 It is the front view sectional structure schematic drawing of the positioning pressing plate of the utility model embodiment.

[0017] Figure 4 It is the lower end face structure schematic drawing of the positioning pressing plate of the utility model embodiment.

[0018] Figure 5 It is the top view structure schematic drawing of the limiting disc of the utility model embodiment.

[0019] In the drawing: 1, positioning pressing plate;11, small motor;12, adjusting stud;13, connecting rod;14, clamping groove;2, pressing machine;21, piston column;3, limiting disc;31, support plate;32, electric push rod one;33, limiting hole;4, pressing frame;41, slide rail assembly;5, rim processing table;51, electric push rod two;52, rim face pressing plate;53, hydraulic foot;6, positioning clamping plate;61, double-threaded screw rod;62, driving block;7, rim positioning disc;71, electric push rod three. DETAILED DESCRIPTION

[0020] Referring to Figures 1 to 5 The utility model provides a rim bolt compression mechanism, it includes: locating pressure plate 1 and press 2, locating pressure plate 1 upper end is connected with press 2 through piston column 21,

[0021] Locating pressure plate 1 front end face fixed mounting has small motor 11, locating pressure plate 1 left and right side symmetry is provided with adjusting stud 12, locating pressure plate 1 lower end is installed with double thread lead screw 61 through clamping groove 14, and the side end of double thread lead screw 61 is respectively connected with small motor 11, adjusting stud 12, and the surface of double thread lead screw 61 is connected with locating clamp plate 6 through driving block 62, and the lower end of locating pressure plate 1 is distributed with limit disc 3, and the surface of limit disc 3 is provided with limit hole 33, and the lower end of limit disc 3 is connected with support plate 31 through electric push rod one 32.

[0022] When installing rim bolt, first, rim sleeve is connected to the rim locating disc 1 that moves up, uses the rim surface pressure plate 52 to be fixed with clamping, is convenient for locating the central hole position of rim, again, multiple groups of rim bolts are inserted into the limit disc 3 afternoon hole 33, limit disc 3 drives the rim bolt of interposing and moves up, until the upper end of rim bolt is located at the lower end surface of double thread lead screw 61, manually rotates adjusting stud 12, controls small motor 11 to rotate multiple double thread lead screws 61, makes driving block 62 convert the rotary motion of double thread lead screw 61 into linear motion, drives locating clamp plate 6 to hold the upper end of rim bolt after, limit disc 3 is removed, press 2 drives locating pressure plate 1 to press down, makes the rim bolt of locating pressure plate 1 lower end positioning and clamping be tightly pressed into the central hole position of rim, uses bolt to be fixed, can complete the installation process of rim bolt and rim.

[0023] In the embodiment, the rear end of support plate 31 is connected with compression rack 4 through slide rail assembly 41, the upper end surface of compression rack 4 is fixed with press 2, and the surface of support plate 31 is embedded and fixed with electric push rod one 32. The lower end surface of compression rack 4 is welded with rim processing table 5, the side end of rim processing table 5 is connected with rim surface pressure plate 52 through electric push rod two 51, and the lower end of rim processing table 5 is supported and connected with hydraulic support foot 53.

[0024] As a preferred embodiment, slide rail assembly 41 facilitates horizontal movement of support plate 31, which facilitates left movement of limit disc 3 out of the lower part of locating pressure plate 1, and facilitates normal pressing of locating pressure plate 1. Electric push rod one 32 drives limit disc 3 to move up, which drives the inserted rim bolt to move to the clamping groove 14 of locating pressure plate 1. Rim surface pressure plate 52 facilitates clamping of the rim positioned by rim locating disc 7, ensuring accurate alignment of the rim central hole and rim bolt. Hydraulic support foot 53 can drive rim processing table 5 to move up, facilitating manual fixing of the nut on the surface of the rim bolt compressed in the rim hole.

[0025] In the embodiment, the electric push rod three 71 is fixed between the hydraulic feet 53, the upper end of the electric push rod three 71 is connected with the rim positioning disc 7, and the upper surface of the rim positioning disc 7 is provided with a convex column. The limiting disc 3 is provided with limiting holes 33 which are annularly and equidistantly distributed on the surface, and the limiting holes 33 are aligned with the convex columns of the lower rim positioning disc 7.

[0026] As a preferred embodiment, the convex column of the rim positioning disc 7 and the limiting holes 33 on the surface of the limiting disc 3 are used for positioning the position of the rim hole and the rim bolt, so that the rim hole and the rim bolt are in the same longitudinal level, the installation position of the rim bolt is positioned conveniently, quickly and accurately, the rim bolt clamped by the pressing mechanism is accurately pressed into the center hole of the rim, and the rim bolt is prevented from deviating and damaging the hub during the pressing process.

[0027] In the embodiment, the clamping groove 14 is arranged on the lower end surface of the positioning pressing plate 1, the groove wall of the clamping groove 14 is connected with the double-threaded screw rod 61 through a bearing, and the surface of the double-threaded screw rod 61 is provided with reverse double threads. The surface of the double-threaded screw rod 61 is connected with two groups of driving blocks 62, and the lower end surface of the driving block 62 is fixed with the positioning clamp plate 6. The rear end of the small motor 11 is connected with the two groups of double-threaded screw rods 61 through the connecting rod 13, and the double-threaded screw rods 61 are circumferentially distributed in the lower end groove of the positioning pressing plate 1.

[0028] As a preferred embodiment, the small motor 11 and the adjusting stud 12 are used for driving the double-threaded screw rod 61 to rotate, the driving block 62 on the surface of the double-threaded screw rod 61 converts the rotary motion into linear motion, thereby driving the positioning clamp plate 6 to perform synchronous reverse motion, clamping and fixing the end of the rim bolt in the clamping groove 14, and preventing the rim bolt from deviating and separating during the pressing process.

[0029] The rim bolt pressing mechanism can effectively solve the problem that it is difficult to press the bolt into the rim hole conveniently and accurately during the pressing process of the pressing mechanism, can press the bolts conveniently and quickly, can ensure that the bolt clamped by the pressing mechanism is accurately pressed into the center hole of the rim, can prevent the bolt from deviating and damaging the hub during the pressing process, can improve the accurate pressing effect of the rim bolt pressing mechanism, and is suitable for the rim bolt pressing mechanism.

Claims

1. A rim bolt tightener mechanism, comprising: Positioning the pressing plate (1) and the press (2), the upper end of the positioning pressing plate (1) is connected with the press (2) through the piston column (21), characterized in that: The front end face of the positioning pressing plate (1) is fixedly provided with a small motor (11), the left and right sides of the positioning pressing plate (1) are symmetrically provided with adjusting studs (12), the lower end of the positioning pressing plate (1) is provided with a double-threaded screw rod (61) through a clamping groove (14), the side ends of the double-threaded screw rod (61) are respectively connected with the small motor (11) and the adjusting stud (12) through shafts, the surface of the double-threaded screw rod (61) is connected with a positioning clamp plate (6) through a driving block (62), the lower end of the positioning pressing plate (1) is distributed with a limiting disc (3), the surface of the limiting disc (3) is provided with a limiting hole (33), and the lower end of the limiting disc (3) is connected with a supporting plate (31) through an electric push rod (32).

2. A rim bolt tightener mechanism according to claim 1, wherein The rear end of the supporting plate (31) is connected with a pressing frame (4) through a sliding rail assembly (41), the upper end face of the pressing frame (4) is fixedly provided with a press (2), and the surface of the supporting plate (31) is embeddedly fixed with an electric push rod (32).

3. A rim bolt tightener mechanism according to claim 2, wherein The lower end face of the pressing frame (4) is welded with a rim machining table (5), the side end of the rim machining table (5) is connected with a rim surface pressing plate (52) through an electric push rod (51), and the lower end of the rim machining table (5) is supported and connected with a hydraulic supporting leg (53).

4. A rim bolt tightener mechanism according to claim 3, wherein The electric push rod (71) is fixed between the hydraulic supporting legs (53), and the upper end of the electric push rod (71) is connected with a rim positioning disc (7).

5. A rim bolt tightener mechanism according to claim 1, wherein The surface of the limiting disc (3) is annularly and equidistantly distributed with limiting holes (33), and the limiting holes (33) are distributed in alignment with the convex columns of the rim positioning disc (7) at the lower end.

6. A rim bolt tightener mechanism according to claim 1, wherein The lower end face of the positioning pressing plate (1) is provided with a clamping groove (14), and the groove wall of the clamping groove (14) is connected with a double-threaded screw rod (61) through a bearing.

7. A rim bolt tightener mechanism as claimed in claim 1, wherein, The surface of the double-threaded screw rod (61) is connected with two groups of driving blocks (62), and the lower end face of the driving block (62) is fixedly provided with a positioning clamp plate (6).

8. A rim bolt tightener mechanism according to claim 1, wherein The rear end of the small motor (11) is connected with the two groups of double-threaded screw rods (61) through a connecting rod (13), and the double-threaded screw rods (61) are circumferentially distributed in the groove at the lower end of the positioning pressing plate (1).

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