Gear shaft rough machining device

Abstract

The utility model discloses a gear shaft rough machining device, and relates to the technical field of machining, the gear shaft rough machining device comprises an upper base plate and a lower base plate which are oppositely arranged, the upper base plate comprises a pressing block, and the pressing block is fixedly connected with an upper working table top of a press through a top plate; the lower base plate is fixedly mounted on a lower working table of the press, and a middle pressing plate and a top pressing plate are sequentially arranged on the lower base plate; a gear stamping head is arranged between the lower base plate and the middle pressing plate, and a gear guide sleeve is arranged between the middle pressing plate and the top pressing plate. The gear guide sleeve is located over the gear stamping head. The utility model solves the problems of low machining efficiency, complex process, labor waste and time waste when gear shaft parts are used for roughly machining the outer surface of a gear.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a gear shaft rough processing device. Background Art

[0002] See also Figure 1 and Figure 2 As shown in the figure, in mechanical processing production, many gear shaft parts need to be rough-machined before the heat treatment process. The usual gear shaft rough machining mostly adopts milling, hobbing, gear shaping and other methods. The above traditional gear shaft machining methods have the defects of complex process, high tool requirements, long machining time, low efficiency, etc., and are only suitable for the production of small batches of gear shafts. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a gear shaft rough machining device, which solves the problems of low machining efficiency, complex process, laborious and time-consuming rough machining of gear outer surfaces of gear shaft parts.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a gear shaft rough processing device, including an upper base plate and a lower base plate arranged relatively to each other, the upper base plate including a pressure block, and the pressure block is fixedly connected to the upper working table of the press through a top plate; the lower base plate is fixedly installed on the lower working table of the press, and an intermediate pressure plate and a top pressure plate are sequentially arranged on the lower base plate; a gear punching head is arranged between the lower base plate and the intermediate pressure plate, and a gear guide sleeve is arranged between the intermediate pressure plate and the top pressure plate; the gear guide sleeve is located directly above the gear punching head.

[0005] A further improvement is that the gear punching head includes a cylindrical first block, and the first block is axially provided with a first through hole adapted to the gear shaft to be processed, and the hole wall of the first through hole is provided with a gear-shaped cutting groove for cutting the surface shape of the gear shaft to be processed.

[0006] A further improvement is that the gear guide sleeve includes a cylindrical second block, and the second block is axially provided with a second through hole adapted to the gear shaft to be processed, and the hole wall of the second through hole is provided with a gear-shaped guide groove for guiding the gear shaft to be processed.

[0007] A further improvement is that a first limiting plane is arranged on the side surface of the first block, and a second limiting plane is arranged on the side surface of the second block.

[0008] Further improvements are: the lower base plate includes a first body, the middle part of which is provided with a first center hole for accommodating a gear punching head; the top surface of the first body is provided with a first mounting groove, and the first mounting groove is provided with a first limit key adapted to the first limit plane.

[0009] A further improvement is that the first body is fixedly connected to the lower working table of the press through a bottom plate, and a first step portion adapted to the gear punching head is provided in the first center hole.

[0010] Further improvements are: the intermediate pressure plate includes a second body, a second center hole for accommodating the gear punch head and the gear guide sleeve is provided in the middle of the second body; a second mounting groove is provided on the bottom surface of the second body, a second limit key adapted to the first limit plane is provided in the second mounting groove; a third mounting groove is provided on the top surface of the second body, a third limit key adapted to the second limit plane is provided in the third mounting groove.

[0011] A further improvement is that a limiting protrusion is arranged in the second center hole, the lower end surface of the limiting protrusion is used to abut against the gear punching head, and the upper end surface of the limiting protrusion is used to abut against the gear guide sleeve.

[0012] Further improvements are: the top pressure plate includes a third body, a third center hole for accommodating the gear guide sleeve is provided in the middle of the third body; a fourth mounting groove is provided on the bottom surface of the third body, and a fourth limit key adapted to the second limit plane is provided in the fourth mounting groove.

[0013] A further improvement is that a second step portion matching the gear guide sleeve is provided in the third center hole.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model can greatly improve the processing efficiency of rough machining of gear shaft parts, and can be used for large-scale production immediately after adjustment.

[0016] 2. The utility model can start production after simple training of operators.

[0017] 3. The utility model has low investment cost, less equipment and low energy consumption, and can be mass-produced and processed using only a general press.

[0018] 4. The utility model can immediately mass-produce different gear shafts by replacing the guide and the gear punching head.

[0019] 5. The processing size and shape of the utility model are stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional view of the gear shaft in the background technology of the utility model;

[0021] Figure 2 It is a side view of the gear shaft in the background technology of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the gear shaft rough machining device in the embodiment of the utility model;

[0023] Figure 4 An exploded view of a gear shaft rough machining device in an embodiment of the utility model;

[0024] Figure 5 It is a cross-sectional view of the gear shaft rough machining device in the embodiment of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the lower base plate in the embodiment of the utility model;

[0026] Figure 7 A cross-sectional view of the lower base plate in the embodiment of the utility model;

[0027] Figure 8 This is a schematic diagram of the structure of the middle pressing plate in the embodiment of the utility model;

[0028] Fig. 9 It is a cross-sectional view of the middle pressing plate in the embodiment of the utility model;

[0029] Fig.10 This is a schematic diagram of the structure of the top pressure plate in the embodiment of the utility model;

[0030] Fig.11 A cross-sectional view of a top pressure plate in an embodiment of the utility model;

[0031] Fig.12 This is a schematic diagram of the structure of the upper base plate in the embodiment of the utility model;

[0032] Fig.13 A cross-sectional view of an upper base plate in an embodiment of the utility model;

[0033] Fig.14 This is a schematic diagram of the structure of the gear punching head in the embodiment of the utility model;

[0034] Fig.15 It is a schematic diagram of the structure of the gear guide sleeve in the embodiment of the utility model.

[0035] Reference numerals:

[0036] 1-lower base plate; 101-first body; 102-first center hole; 103-first step portion; 104-first mounting groove; 105-bottom plate;

[0037] 2-middle pressing plate; 201-second body; 202-second center hole; 203-position limiting protrusion; 204-second mounting slot; 205-third mounting slot;

[0038] 3-top pressure plate; 301-third body; 302-third center hole; 303-second step portion; 304-fourth mounting groove;

[0039] 4-upper base plate; 401-pressing block; 402-top plate;

[0040] 5-gear punch head; 501-first block; 502-first through hole; 503-cutting groove; 504-first limiting plane;

[0041] 6-gear guide sleeve; 601-second block; 602-second through hole; 603-guide groove; 604-second limiting plane;

[0042] 7-first limit key; 8-second limit key; 9-third limit key; 10-fourth limit key. DETAILED DESCRIPTION

[0043] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0044] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating 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 cannot be understood as limiting the specific protection scope of the present invention.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0046] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0047] See also Figure 3 to Figure 5 As shown, the embodiment of the utility model provides a gear shaft rough processing device, including an upper base plate 4 and a lower base plate 1 arranged opposite to each other, see Fig.12 and Fig.13 As shown, the upper base plate 4 includes a pressure block 401, which is fixedly connected to the upper work surface of the press through a top plate 402; the lower base plate 1 is fixedly installed on the lower work surface of the press, and an intermediate pressure plate 2 and a top pressure plate 3 are sequentially arranged on the lower base plate 1; a gear punch head 5 is arranged between the lower base plate 1 and the intermediate pressure plate 2, and a gear guide sleeve 6 is arranged between the intermediate pressure plate 2 and the top pressure plate 3; the gear guide sleeve 6 is located directly above the gear punch head 5.

[0048] See also Fig.14 As shown, the gear punching head 5 includes a cylindrical first block 501, and the first block 501 is axially provided with a first through hole 502 adapted to the gear shaft to be processed, and the hole wall of the first through hole 502 is provided with a gear-shaped cutting groove 503 for cutting the surface shape of the gear shaft to be processed.

[0049] See also Fig.15 As shown, the gear guide sleeve 6 includes a cylindrical second block 601, and the second block 601 is provided with a second through hole 602 along the axial direction adapted to the gear shaft to be processed, and the hole wall of the second through hole 602 is provided with a gear-shaped guide groove 603 for guiding the gear shaft to be processed. Specifically, the side surface of the first block 501 is provided with a first limiting plane 504, and the side surface of the second block 601 is provided with a second limiting plane 604.

[0050] See also Figure 6 and Figure 7 As shown, the lower base plate 1 includes a first body 101, a first center hole 102 for accommodating the gear punch 5 is provided in the middle of the first body 101; a first mounting groove 104 is provided on the top surface of the first body 101, and a first limit key 7 adapted to the first limit plane 504 is provided in the first mounting groove 104. Specifically, the first body 101 is fixedly connected to the lower working table of the press through the bottom plate 105, and a first step portion 103 adapted to the gear punch 5 is provided in the first center hole 102.

[0051] See also Figure 8 and Fig. 9As shown, the intermediate pressure plate 2 includes a second body 201, and a second center hole 202 for accommodating the gear punch 5 and the gear guide sleeve 6 is provided in the middle of the second body 201; a second mounting groove 204 is provided on the bottom surface of the second body 201, and a second limit key 8 adapted to the first limit plane 504 is provided in the second mounting groove 204; a third mounting groove 205 is provided on the top surface of the second body 201, and a third limit key 9 adapted to the second limit plane 604 is provided in the third mounting groove 205. Specifically, a limit protrusion 203 is provided in the second center hole 202, and the lower end surface of the limit protrusion 203 is used to abut the gear punch 5, and the upper end surface of the limit protrusion 203 is used to abut the gear guide sleeve 6.

[0052] See also Fig.10 and Fig.11 As shown, the top pressure plate 3 includes a third body 301, a third center hole 302 for accommodating the gear guide sleeve 6 is provided in the middle of the third body 301; a fourth mounting groove 304 is provided on the bottom surface of the third body 301, and a fourth limit key 10 adapted to the second limit plane 604 is provided in the fourth mounting groove 304. Specifically, a second step portion 303 adapted to the gear guide sleeve 6 is provided in the third center hole 302.

[0053] The working principle of the utility model is:

[0054] The workbench on the press is in its original position - the workpiece gear shaft is placed into the guide gear sleeve - the workbench on the press is started to move downward - the upper base plate presses down the gear shaft to make a linear motion - the gear shaft passes through the gear punch to cut the tooth shape - the gear shaft comes out of the base plate hole - the workbench on the press returns to its original position.

[0055] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0056] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A gear shaft rough machining device, comprising an upper base plate (4) and a lower base plate (1) arranged opposite to each other, characterized in that: The upper base plate (4) comprises a pressing block (401), and the pressing block (401) is fixedly connected to the upper working surface of the press through the top plate (402); the lower base plate (1) is fixedly installed on the lower working surface of the press, and an intermediate pressing plate (2) and a top pressing plate (3) are sequentially arranged on the lower base plate (1); a gear punching head (5) is arranged between the lower base plate (1) and the intermediate pressing plate (2), and a gear guide sleeve (6) is arranged between the intermediate pressing plate (2) and the top pressing plate (3); the gear guide sleeve (6) is located directly above the gear punching head (5).

2. The gear shaft rough machining device according to claim 1, characterized in that: The gear punching head (5) comprises a cylindrical first block (501), and the first block (501) is provided with a first through hole (502) along the axial direction and adapted to the gear shaft to be processed, and the hole wall of the first through hole (502) is provided with a gear-shaped cutting groove (503) for cutting the surface shape of the gear shaft to be processed.

3. The gear shaft rough machining device according to claim 2, characterized in that: The gear guide sleeve (6) comprises a cylindrical second block (601), and the second block (601) is provided with a second through hole (602) along the axial direction and adapted to the gear shaft to be processed, and the hole wall of the second through hole (602) is provided with a gear-shaped guide groove (603) for guiding the gear shaft to be processed.

4. The gear shaft rough machining device according to claim 3, characterized in that: A first limiting plane (504) is provided on the side surface of the first block (501), and a second limiting plane (604) is provided on the side surface of the second block (601).

5. The gear shaft rough machining device according to claim 4, characterized in that: The lower base plate (1) comprises a first body (101), a first center hole (102) for accommodating a gear punching head (5) is provided in the middle of the first body (101); a first mounting groove (104) is provided on the top surface of the first body (101), and a first limit key (7) adapted to a first limit plane (504) is provided in the first mounting groove (104).

6. The gear shaft rough machining device according to claim 5, characterized in that: The first body (101) is fixedly connected to the lower working table of the press through a bottom plate (105), and a first step portion (103) adapted to the gear punching head (5) is arranged in the first center hole (102).

7. The gear shaft rough machining device according to claim 4, characterized in that: The intermediate pressure plate (2) comprises a second body (201), the middle part of which is provided with a second center hole (202) for accommodating a gear punching head (5) and a gear guide sleeve (6); the bottom surface of the second body (201) is provided with a second mounting groove (204), the second mounting groove (204) is provided with a second limit key (8) adapted to the first limit plane (504); the top surface of the second body (201) is provided with a third mounting groove (205), the third mounting groove (205) is provided with a third limit key (9) adapted to the second limit plane (604).

8. The gear shaft rough machining device according to claim 7, characterized in that: A limiting protrusion (203) is arranged in the second center hole (202); the lower end surface of the limiting protrusion (203) is used to abut against the gear punching head (5); and the upper end surface of the limiting protrusion (203) is used to abut against the gear guide sleeve (6).

9. The gear shaft rough machining device according to claim 4, characterized in that: The top pressure plate (3) comprises a third body (301), the middle part of which is provided with a third center hole (302) for accommodating the gear guide sleeve (6); the bottom surface of the third body (301) is provided with a fourth mounting groove (304), and the fourth mounting groove (304) is provided with a fourth limit key (10) adapted to the second limit plane (604).

10. The gear shaft rough machining device according to claim 9, characterized in that: The third central hole (302) is provided with a second step portion (303) adapted to the gear guide sleeve (6).

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