Positioning device for gear press fitting of shaft parts

Abstract

The utility model discloses a shaft part gear press fitting positioning device which comprises a cylindrical base, a deep hole is formed in the center of the upper surface of the base, a spring and a shaft sleeve are arranged in the deep hole, the shaft sleeve is located above the spring, and a first installation plane and a second installation plane are arranged on the outer wall of the base. The arrangement direction of the second installation plane is perpendicular to the first installation plane, a detachable main support is arranged on the first installation plane, and a detachable longitudinally-arranged positioning rod is arranged on the second installation plane. The positioning device for gear press fitting of the shaft parts is easy to operate, the parts are convenient to assemble and disassemble, the angle of the gear and a crankshaft during press fitting is met, and the phenomenon that the gear is obliquely pressed or not pressed in place due to manual grabbing is reduced. The positioning device for shaft part gear press fitting can quickly and efficiently conduct circumferential positioning on the gear and a workpiece, the angle tolerance requirement of press fitting is guaranteed, product quality control can be better conducted, product quality stability is improved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a gear press-fitting tool, more specifically, to a positioning device for press-fitting gears of shaft parts. Background Art

[0002] When pressing parts into gears, the gears are placed horizontally, and the rod of the part is manually aligned with the inner hole of the gear and placed vertically. The angle is adjusted and pressed in manually. In this way, the gear pressing angle is affected by manual labor, and the angle and pressing position are difficult to meet the requirements of the drawing. The efficiency is low and needs to be improved. Utility Model Content

[0003] Based on this, it is necessary to provide a positioning device for pressing gears of shaft parts to address the above technical problems.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A positioning device for press-fitting gears of shaft parts, characterized in that the positioning device for press-fitting gears of shaft parts comprises a cylindrical base, a deep hole is provided at the center of the upper surface of the base, a spring and a shaft sleeve are provided in the deep hole, the shaft sleeve is located above the spring, an axially arranged groove is provided on the outer wall of the shaft sleeve, a base screw hole is provided on the outer wall of the base, a base screw is provided in the base screw hole, a base nut is provided on the base screw, and the end of the base screw abuts against the groove.

[0006] A first mounting plane and a second mounting plane are provided on the outer wall of the base, the setting direction of the second mounting plane is perpendicular to the first mounting plane, a detachable main bracket is provided on the first mounting plane, and a detachable longitudinally arranged positioning rod is provided on the second mounting plane.

[0007] As a preferred embodiment of the present invention, a pin hole is provided on the upper end surface of the base, and a cylindrical pin is provided in the pin hole.

[0008] As a preferred embodiment of the present invention, a plurality of first mounting screw holes are provided on the first mounting plane, and a plurality of second mounting screw holes are provided on the second mounting plane.

[0009] As a preferred embodiment of the present invention, the main bracket comprises a rod-shaped longitudinally arranged bracket body, the top of the bracket body is provided with a horizontally arranged bracket bar, the bottom of the bracket body is provided with a plurality of third mounting screw holes, the third mounting screw holes and the first mounting screw holes are connected by a plurality of first screws, the end of the bracket bar is provided with a round hole, and a top rod is provided in the round hole.

[0010] The bottom of the positioning rod is provided with a plurality of fourth mounting screw holes, the fourth mounting screw holes are connected to the second mounting screw holes through a plurality of second screws, the top of the positioning rod is provided with a threaded hole, a positioning screw is provided in the threaded hole, and a positioning nut is provided on the positioning screw.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The utility model provides a positioning device for press-fitting gears of shaft parts. The positioning device for press-fitting gears of shaft parts is simple to operate, convenient for loading and unloading parts, satisfies the angle of the gears and crankshaft during press-fitting, and reduces the phenomenon of gears being pressed crooked or not pressed into place due to manual grasping. The positioning device for press-fitting gears of shaft parts can quickly and efficiently position the gears and workpieces in the circumferential direction, ensuring the angular tolerance requirements of press-fitting, thereby better controlling product quality, improving product quality stability, and increasing production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the solutions in the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are 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.

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the positioning device for press-fitting gears of shaft parts of the present invention;

[0015] Figure 2 for Figure 1 A schematic diagram of the exploded three-dimensional structure of the positioning device for press-fitting shaft parts gears;

[0016] Figure 3 for Figure 2 A schematic diagram of the three-dimensional structure of the base of the positioning device for press-fitting the shaft parts gears;

[0017] Figure 4 for Figure 2 A schematic diagram of the three-dimensional structure of the base of the positioning device in FIG. 1 is a perspective from the Z direction;

[0018] Figure 5 This is a schematic diagram of the use of the positioning device for press-fitting gears of shaft parts of the present invention. At this time, the gear has been sleeved outside the shaft sleeve at an angle and placed on the base plane, and the workpiece has not been placed;

[0019] Figure 6 This is a schematic diagram of the use of the positioning device for press-fitting shaft parts and gears of the present invention. At this time, the workpiece has been placed and the ejector pin is lowered and fixed;

[0020] The markings in the figure are as follows: 1. Base; 12. Deep hole; 13. Base screw hole; 14. First mounting screw hole; 15. Second mounting screw hole; 2. Cylindrical pin; 3. Spring; 4. Bushing; 41. Groove; 51. Base screw; 52. First screw; 53. Second screw; 54. Positioning screw; 61. Base nut; 62. Positioning nut; 7. Main bracket; 70. Bracket body; 700. Bracket cross bar; 71. Third mounting screw hole; 72. Round hole; 8. Top rod; 9. Positioning rod; 91. Fourth mounting screw hole; 92. Threaded hole; S1. First mounting plane; S2. Second mounting plane; 11. Pin hole. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] like Figures 1 to 4 As shown, the positioning device G for pressing and fitting shaft-type parts gears includes a cylindrical base 1, a deep hole 12 is provided in the center of the upper surface of the base 1, a spring 3 and a sleeve 4 are provided in the deep hole 12, the sleeve 4 is located above the spring 3, an axially arranged groove 41 is provided on the outer wall of the sleeve 4, a base screw hole 13 is provided on the outer wall of the base 1, a base screw 51 is provided in the base screw hole 13, a base nut 61 is provided on the base screw 51, and the end of the base screw 51 is against the groove 41.

[0023] The outer wall of the base 1 is provided with a first mounting plane S1 and a second mounting plane S2. The setting direction of the second mounting plane S2 is perpendicular to the first mounting plane S1. The first mounting plane S1 is provided with four first mounting screw holes 14, and the second mounting plane S2 is provided with two second mounting screw holes 15.

[0024] A detachable main bracket 7 is provided on the first mounting plane S1, and the main bracket 7 includes a rod-shaped longitudinally arranged bracket body 70, and a transversely arranged bracket cross bar 700 is provided on the top of the bracket body 70. Four third mounting screw holes 71 are provided at the bottom of the bracket body 70. The third mounting screw holes 71 and the first mounting screw holes 14 are connected by a plurality of first screws 52. A circular hole 72 is provided at the end of the bracket cross bar 700, and a top rod 8 is provided in the circular hole 72.

[0025] A detachable longitudinally arranged positioning rod 9 is provided on the second mounting plane S2, and two fourth mounting screw holes 91 are provided at the bottom of the positioning rod 9. The fourth mounting screw holes 91 are connected to the second mounting screw holes 15 through a plurality of second screws 53. A threaded hole 92 is provided at the top of the positioning rod 9, and a positioning screw 54 is provided in the threaded hole 92, and a positioning nut 62 is provided on the positioning screw 54.

[0026] The following describes the working method of the positioning device for the press-fit of the shaft parts gear, including the following steps:

[0027] Step S1: Figure 1 and Figure 2 As shown, knock the cylindrical pin 2 into the pin hole 11, put the spring 3 into the deep hole 12 of the base 1, and then place the sleeve 4 on the spring 3. Rotate the sleeve 4 so that the groove 41 is aligned with the bolt 51, screw the bolt 51 into the groove 41 and then tighten it with the nut 61;

[0028] Step S2: Figure 5 As shown, place the gear T on the base 1 and put it on the shaft sleeve 4. Rotate the gear T to the correct angle. At this time, the cylindrical pin 2 is stuck in the tooth groove of the gear T to prevent the gear T from rotating during the press-fitting process.

[0029] Step S3: Figure 6 As shown, lift the push rod 8 upwards, place the workpiece P into the sleeve 4, and place the workpiece P above the gear T. Rotate the workpiece P so that the fan surface of the workpiece P is close to the bolt 54, lower the push rod 8, and start the machine tool.

[0030] This positioning device for press-fitting gears on shaft parts is simple to operate, facilitates part loading and unloading, and satisfies the angle requirements for press-fitting the gears and crankshaft, reducing the risk of gears being misaligned or misaligned due to manual gripping. This positioning device for press-fitting gears on shaft parts can quickly and efficiently position the gears and workpieces circumferentially, ensuring the required angular tolerances for press-fitting, enabling better product quality control, improved product quality stability, and increased production efficiency.

[0031] Obviously, the embodiments described above are only part of the embodiments of the present application, rather than all the embodiments. The drawings provide preferred embodiments of the present application, but do not limit the patent scope of the present application.

Claims

1. A positioning device for press-fitting shaft parts gears, characterized in that: The positioning device (G) for pressing and fitting shaft-type parts gears comprises a cylindrical base (1), a deep hole (12) is provided at the center of the upper surface of the base (1), a spring (3) and a shaft sleeve (4) are provided in the deep hole (12), the shaft sleeve (4) is located above the spring (3), an axial groove (41) is provided on the outer wall of the shaft sleeve (4), a base screw hole (13) is provided on the outer wall of the base (1), a base screw (51) is provided in the base screw hole (13), a base nut (61) is provided on the base screw (51), and the end of the base screw (51) abuts against the groove (41). A first mounting plane (S1) and a second mounting plane (S2) are provided on the outer wall of the base (1); the second mounting plane (S2) is arranged in a direction perpendicular to the first mounting plane (S1); a detachable main bracket (7) is provided on the first mounting plane (S1); and a detachable longitudinally arranged positioning rod (9) is provided on the second mounting plane (S2).

2. The positioning device for press-fitting shaft parts gears according to claim 1, characterized in that: A pin hole (11) is provided on the upper end surface of the base (1), and a cylindrical pin (2) is provided in the pin hole (11).

3. The positioning device for press-fitting shaft parts gears according to claim 1, characterized in that: The first mounting plane (S1) is provided with a plurality of first mounting screw holes (14), and the second mounting plane (S2) is provided with a plurality of second mounting screw holes (15).

4. The positioning device for press-fitting shaft parts gears according to claim 3, characterized in that: The main bracket (7) includes a rod-shaped longitudinally arranged bracket body (70), the top of the bracket body (70) is provided with a horizontally arranged bracket cross bar (700), the bottom of the bracket body (70) is provided with a plurality of third mounting screw holes (71), the third mounting screw holes (71) and the first mounting screw holes (14) are connected by a plurality of first screw rods (52), the end of the bracket cross bar (700) is provided with a circular hole (72), a top rod (8) is provided in the circular hole (72), the bottom of the positioning rod (9) is provided with a plurality of fourth mounting screw holes (91), the fourth mounting screw hole (91) and the second mounting screw hole (15) are connected by a plurality of second screw rods (53), the top of the positioning rod (9) is provided with a threaded hole (92), a positioning screw (54) is provided in the threaded hole (92), and a positioning nut (62) is provided on the positioning screw (54).

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