Press fitting tool for oil seal cover and grease cover of driving shaft sliding sleeve

Abstract

The invention discloses a press fitting tool for an oil seal cover and a grease cover of a driving shaft sliding sleeve. The press fitting tool comprises a supporting frame, a servo motor linear push rod, an upper pressing head and a lower tool. The supporting frame comprises a press-fitting platform, a vertical support fixed to one end of the press-fitting platform and a transverse supporting plate fixed to the upper end of the vertical support. A servo motor linear push rod is fixed on the lower end surface of the transverse support plate; the upper pressure head is fixed at the lower end of the linear push rod of the servo motor, the bottom surface of the upper pressure head is provided with a circular groove matched with the outer diameter of the flange of the oil seal cover and three or more than three identical magnet mounting grooves surrounding the circular groove on the same circumference, and identical magnets are embedded in the magnet mounting grooves; the lower tool is a cylinder or a hollow cylinder with the diameter matched with that of the bottom face of the inner end grease cover, and the lower end of the lower tool is fixed to the upper end face of the press-fitting platform. A sliding sleeve grease cover and an oil seal cover can be pressed and formed at a time, time and labor are saved, and efficiency is high; and the grease cover and the oil seal cover can share the same central axis, and the mounting precision of the driving shaft is not influenced.

Description

Technical Field

[0001] The invention belongs to the field of automobile parts manufacturing and relates to a press-fitting tool for an oil seal cover and a grease cover of a drive shaft sliding sleeve. Background Art

[0002] The universal joint drive shafts are connected by the drive shaft sleeve 3, and the sleeve 3 needs to be pressed with the inner end grease cover 2 and the outer oil seal cover 1, such as Figure 1 The existing press-fitting method is to first press-fit the inner grease cover with a press-fitting tool, and then press-fit the outer oil seal cover with another press-fitting tool, which is time-consuming, labor-intensive and inefficient. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned problems existing in the prior art and to provide a pressing tool for the oil seal cover and the grease cover of the drive shaft sleeve. The pressing tool can press and form the inner end grease cover and the outer end oil seal cover of the sleeve at one time, which saves time and effort and is highly efficient; and can ensure the coaxiality of the inner end grease cover and the outer end oil seal cover, does not affect the installation accuracy of the drive shaft, and avoids the occurrence of oil leakage problems.

[0004] To achieve the above-mentioned purpose, the solution of the present invention is: a pressing tool for the oil seal cover and grease cover of the drive shaft sleeve, comprising a support frame, a servo motor linear push rod, an upper pressure head and a lower tooling; the support frame comprises a pressing platform at the lower end, a vertical support fixed at one end of the pressing platform, and a horizontal support plate fixed at the upper end of the vertical support; the servo motor linear push rod is fixed to the lower end surface of the horizontal support plate; the upper pressure head is T-shaped, fixed to the lower end of the servo motor linear push rod, and has a circular groove matching the outer diameter of the oil seal cover flange and three or more identical magnet mounting grooves on the same circumference around the circular groove on the bottom surface, and the same magnets are embedded in the magnet mounting grooves; the lower tooling is a cylinder or a hollow cylinder with a diameter matching the diameter of the bottom surface of the inner end grease cover, and its lower end is fixed to the upper end surface of the pressing platform, and its central axis coincides with the central axis of the servo motor linear push rod, the upper pressure head and the circular groove of the upper pressure head, the drive shaft sleeve, the oil seal cover and the grease cover.

[0005] When in use, insert the external oil seal cover into the circular groove of the upper pressure head. The upper end surface of the bottom wall of the external oil seal cover is adsorbed on the bottom surface of the upper pressure head by a magnet. Place the inner grease cover on the upper end surface of the lower tooling. Place the drive shaft sleeve on the lower tooling. Start the servo motor linear push rod. The upper pressure head is crimped on the upper end surface of the drive shaft sleeve. After the inner grease cover and the external oil seal cover are press-fitted into shape, the servo motor linear push rod is retracted.

[0006] Compared with the prior art, the advantages of the present invention are: the press-fitting tool of the present invention can press-fit the inner end grease cover and the outer oil seal cover of the sliding sleeve at one time, saving time and labor, and high efficiency; and can ensure the coaxiality of the inner end grease cover and the outer oil seal cover, without affecting the installation accuracy of the drive shaft, thereby avoiding the occurrence of oil leakage problems. Moreover, for different models of drive shaft sliding sleeves, only the upper pressure head and the lower tooling need to be replaced, and the application range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a front sectional view of the drive shaft sleeve; Figure 2 It is a front view (with partial cross-section) of the present invention. DETAILED DESCRIPTION

[0008] The present invention is further described below in conjunction with specific embodiments.

[0009] like Figure 2 As shown, this embodiment includes a support frame 4, a servo motor linear push rod 5, an upper pressure head 6 and a lower tooling 7. The support frame 4 includes a press-fitting platform 41 at the lower end, a vertical support 42 fixed to one end of the press-fitting platform 41, and a horizontal support plate 43 fixed to the upper end of the vertical support 43. The servo motor linear push rod 5 is fixed to the lower end surface of the horizontal support plate 43. The upper pressure head 6 is T-shaped and fixed to the lower end of the servo motor linear push rod 5. The bottom surface is provided with a circular groove 61 that matches the outer diameter of the flange of the oil seal cover 1 and three (or 4, 5, etc.) identical magnet mounting grooves on the same circumference around the circular groove 61, and the same magnet 8 is embedded in the magnet mounting groove. The lower tooling 7 is a cylinder or hollow cylinder whose diameter matches the bottom diameter of the inner end grease cover 3. Its lower end is fixed to the upper end surface of the press-fitting platform 41, and its central axis coincides with the central axis of the servo motor linear push rod 5, the upper pressure head 6 and the circular groove 61 of the upper pressure head, the drive shaft sleeve 2, the oil seal cover 1 and the grease cover 3.

[0010] When in use, insert the external oil seal cover 1 into the circular groove 61 of the upper pressure head, the upper end surface of the bottom wall of the external oil seal cover 1 is adsorbed on the bottom surface of the upper pressure head 6 by the magnet 8, the inner end grease cover 3 is placed on the upper end surface of the lower tooling 7, the drive shaft sleeve 2 is placed on the lower tooling 7, the servo motor linear push rod is started, the upper pressure head 6 is crimped on the upper end surface of the drive shaft sleeve 2, and after the inner end grease cover 3 and the external oil seal cover 1 are press-fitted into shape, the servo motor linear push rod is retracted.

[0011] The above-described embodiments are only preferred and exemplary and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A press-fitting tool for an oil seal cover and a grease cover of a drive shaft sleeve, characterized in that: It includes a supporting frame, a servo motor linear push rod, an upper pressure head and a lower tooling; the supporting frame includes a press-fitting platform at the lower end, a vertical support fixed at one end of the press-fitting platform, and a horizontal support plate fixed at the upper end of the vertical support; the servo motor linear push rod is fixed to the lower end surface of the horizontal support plate; the upper pressure head is T-shaped and fixed to the lower end of the servo motor linear push rod, and the bottom surface is provided with a circular groove that matches the outer diameter of the flange of the oil seal cover and three or more identical magnet mounting grooves on the same circumference around the circular groove, and the same magnets are embedded in the magnet mounting grooves; the lower tooling is a cylinder or a hollow cylinder whose diameter matches the diameter of the bottom surface of the inner end grease cover, and its lower end is fixed to the upper end surface of the press-fitting platform, and its central axis coincides with the central axis of the servo motor linear push rod, the upper pressure head and the circular groove of the upper pressure head, the drive shaft sleeve, the oil seal cover and the grease cover.

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