Crank part internal thread one-time forming machining device

Abstract

The utility model discloses a crank part internal thread one-time forming machining device which comprises a hydraulic base, a door-shaped fixing frame is arranged on the base, a lifting type platform capable of lifting is arranged in the fixing frame, a plurality of positioning discs are arranged on the lifting type platform, and the positioning discs are arranged on the lifting type platform. A plurality of pressing blocks are arranged on the inner wall of the top of the fixing frame, and the positions of the pressing blocks correspond to the positions of the positioning discs. The one-time forming machining device for the internal thread of the crank part is easy to operate, the part is convenient to assemble and disassemble, multiple procedures are combined, the number of times of tool adjustment is reduced, and the requirements for the machining position degree and size precision of a threaded hole of the part are met. According to the one-time forming machining device for the internal threads of the crank part, the workpiece can be rapidly and efficiently positioned in the axial direction and the circumferential direction, the requirement for the position degree of part threaded hole machining is met, product quality control can be better carried out, the product quality stability is improved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a crank part processing equipment, more specifically, to a crank part internal thread one-step forming processing device. Background Art

[0002] When processing internal threads of existing crank parts, it is necessary to drill the bottom hole first, then expand the hole, and finally change the machine tool for tapping. This method requires three steps, and the parts need to be replaced and clamped repeatedly on the machine tool, which is slow and inefficient and needs to be improved. Utility Model Content

[0003] Based on this, it is necessary to provide a one-time forming processing device for the internal thread of a crank part to address the above-mentioned technical problems.

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

[0005] A one-time forming processing device for the internal thread of a crank part, characterized in that the one-time forming processing device for the internal thread of a crank part comprises a hydraulic base, a door-shaped fixed frame is provided on the base, a liftable lifting platform is provided in the fixed frame, a plurality of positioning plates are provided on the lifting platform, and a plurality of clamping blocks are provided on the top inner wall of the fixed frame, and the positions of the clamping blocks correspond to the positioning plates.

[0006] As a preferred embodiment of the utility model, the positioning plate comprises a disc-shaped positioning plate body, a conical positioning block is provided at the center of the positioning plate body, a pair of plate body threaded holes are provided at the edge of the positioning plate body, a bottom supporting bolt is provided in each of the plate body threaded holes, an annular plate body outer ring is provided on the outer wall of the positioning plate body, and a plurality of outer ring threaded holes are provided on the outer ring of the plate body.

[0007] A plurality of U-shaped grooves are provided on the top outer wall of the fixed frame, and a pair of groove threaded holes are provided on one side of the U-shaped groove.

[0008] The clamping block comprises a circular clamping substrate, on which a U-shaped clamping slot and a pair of clamping threaded holes are arranged. The clamping threaded holes match the groove threaded holes, and a positioning boss is arranged at the end of the clamping slot.

[0009] As a preferred embodiment of the utility model, a plurality of platform threaded holes are provided on the top surface of the lifting platform, and the platform threaded holes match with the outer ring threaded holes.

[0010] As a preferred embodiment of the utility model, a pair of fixed columns are provided on the top inner wall of the fixed frame, and the fixed columns guide the lifting and lowering of the lifting platform.

[0011] As a preferred embodiment of the present utility model, the lifting platform is a hydraulic lifting platform.

[0012] As a preferred embodiment of the utility model, an annular step positioning groove is provided at the center of the pressing substrate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a one-time forming processing device for the internal thread of a crank part. The one-time forming processing device for the internal thread of a crank part is simple to operate, convenient for loading and unloading parts, combines multiple processes, reduces the number of tooling adjustments, and ensures the position and dimensional accuracy requirements of the threaded hole processing of the part. The one-time forming processing device for the internal thread of a crank part can quickly and efficiently position the workpiece in the axial and circumferential directions, ensures the position requirements of the threaded hole processing of the part, so as to better control product quality, improve product quality stability, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the internal thread one-step forming processing device of the crank part of the utility model;

[0017] Figure 2 for Figure 1 A further three-dimensional structural schematic diagram of the crank part internal thread one-step forming processing device;

[0018] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of a positioning plate of a crank part internal thread one-step forming processing device;

[0019] Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of a clamping block of a crank part internal thread one-step forming processing device;

[0020] Figure 5 for Figure 1 A schematic diagram of the three-dimensional structure of the bottom support bolt;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of a crank part;

[0022] Figure 7 This is a schematic diagram of the use of the crank part internal thread one-step forming processing device of the utility model, at this time, the lifting platform is not raised;

[0023] Figure 8 This is a schematic diagram of the use of the crank part internal thread one-step forming processing device of the utility model. At this time, the lifting platform rises;

[0024] The markings in the figure are as follows: 1. Hydraulic base; 11. Groove threaded hole; 13. U-shaped groove; 14. Platform threaded hole; 15. Lifting platform; 16. Fixed frame; 17. Fixed column; 2. Clamping block; 20. Clamping substrate; 21. Clamping slot; 22. Step positioning groove; 23. Clamping threaded hole; 24. Positioning boss; 3. Positioning plate; 30. Positioning plate body; 300. Plate body outer ring; 31. Outer ring threaded hole; 32. Plate body threaded hole; 33. Conical positioning block; 4. Bottom bolt. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0026] like Figure 1 and Figure 2 As shown, the crank part internal thread one-step forming processing device G comprises a hydraulic base 1, on which a gate-shaped fixed frame 16 is provided, inside which a liftable lifting platform 15 is provided, and on which a plurality of positioning plates 3 are provided.

[0027] like Figure 3 As shown, the positioning plate 3 includes a disc-shaped positioning plate body 30, a conical positioning block 33 is provided in the center of the positioning plate body 30, a pair of plate body threaded holes 32 are provided at the edge of the positioning plate body 30, a bottom bolt 4 is provided in each of the plate body threaded holes 32, an annular plate body outer ring 300 is provided on the outer wall of the positioning plate body 30, and a plurality of outer ring threaded holes 31 are provided on the plate body outer ring 300.

[0028] The top surface of the lifting platform 15 has a plurality of platform threaded holes 14 , and the platform threaded holes 14 match the outer ring threaded holes 31 .

[0029] A plurality of U-shaped grooves 13 are formed on the top outer wall of the fixing frame 16. A pair of groove threaded holes 11 are formed on one side of each U-shaped groove 13.

[0030] A pair of fixed columns 17 are disposed on the top inner wall of the fixed frame 16 , and the fixed columns 17 guide the lifting and lowering of the lifting platform 15 .

[0031] like Figure 4 As shown, a plurality of pressing blocks 2 are provided on the top inner wall of the fixed frame 16 , and the positions of the pressing blocks 2 correspond to the positions of the positioning plates 3 .

[0032] The pressing block 2 comprises a circular pressing base plate 20, on which a U-shaped pressing groove 21 and a pair of pressing threaded holes 23 are provided. The pressing threaded holes 23 match the groove threaded holes 11, and a positioning boss 24 is provided at the end of the pressing groove 21. In addition, an annular step positioning groove 22 is provided at the center of the pressing base plate 20. The step positioning groove 22 can be used to adapt to crank parts with different step thicknesses.

[0033] It should be noted that the lifting platform 15 is a hydraulic lifting platform.

[0034] In addition, if Figure 1 and Figure 4 As shown, the height of the bottom bolt 4 protruding from the positioning plate 3 is adjustable, and is used to support the step M of the crank part Q to eliminate the unbalanced compression factor caused by the height difference.

[0035] The following is an explanation of the working method of the crank part internal thread one-step forming processing device, including the steps:

[0036] Step S1: Figure 7 As shown, four crank parts Q are slowly placed on the corresponding positioning plates 3, ensuring that the center hole K of the crank part is placed on the conical positioning block 33, and the bottom heavy part of the crank part Q is placed on the bottom bolt 4, so that the plane M of the crank part is in contact with the plane N of the bottom bolt 4;

[0037] Step S2: Press the machine tool start button, and the lifting platform 15 rises upward. Figure 8 As shown, the inner end face R of the crank part Q is contacted and clamped with the plane P of the clamping block 2, and the positioning boss 24 of the clamping block 2 is inserted into the crank hole B of the crank part to prevent the crank part from rotating during the processing. After drilling, the tool is changed to expand the hole and tap.

[0038] Step S3: After the tapping is completed, the lifting platform 15 descends and the crank part Q that has been processed is removed.

[0039] The one-step forming processing device for the internal thread of the crank parts is simple to operate, and the parts are easy to load and unload. It can process multiple crank parts at the same time, and three processes are combined into one process. The one-step forming processing device for the internal thread of the crank parts can quickly and efficiently position the crank parts in the axial and circumferential directions, ensuring the accuracy and position requirements of the thread processing of the parts, so as to better control the product quality, improve the stability of product quality, and improve production efficiency.

[0040] Without limitation to this, any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope defined in the claims.

Claims

1. A one-step forming processing device for internal threads of crank parts, characterized in that: The crank part internal thread one-step forming processing device (G) comprises a hydraulic base (1), a gate-shaped fixed frame (16) is provided on the base (1), a liftable lifting platform (15) is provided inside the fixed frame (16), a plurality of positioning plates (3) are provided on the lifting platform (15), and a plurality of clamping blocks (2) are provided on the top inner wall of the fixed frame (16), and the position of the clamping blocks (2) corresponds to the positioning plates (3).

2. The crank component internal thread one-step forming processing device according to claim 1, characterized in that: The positioning plate (3) comprises a disc-shaped positioning plate body (30), a conical positioning block (33) is provided at the center of the positioning plate body (30), a pair of plate body threaded holes (32) are provided at the edge of the positioning plate body (30), a bottom bolt (4) is provided in each of the plate body threaded holes (32), an annular plate body outer ring (300) is provided on the outer wall of the positioning plate body (30), and a plurality of outer ring threaded holes (31) are provided on the plate body outer ring (300). A plurality of U-shaped grooves (13) are provided on the top outer wall of the fixing frame (16), and a pair of groove threaded holes (11) are provided on one side of each of the U-shaped grooves (13). The clamping block (2) comprises a circular clamping substrate (20), on which a U-shaped clamping slot (21) and a pair of clamping threaded holes (23) are provided. The clamping threaded holes (23) match the groove threaded holes (11), and a positioning boss (24) is provided at the end of the clamping slot (21).

3. The crank component internal thread one-step forming processing device according to claim 2, characterized in that: A plurality of platform threaded holes (14) are provided on the top surface of the lifting platform (15), and the platform threaded holes (14) match the outer ring threaded holes (31).

4. The crank component internal thread one-step forming processing device according to claim 2, characterized in that: A pair of fixed columns (17) are provided on the top inner wall of the fixed frame (16), and the fixed columns (17) guide the lifting and lowering of the lifting platform (15).

5. The crank component internal thread one-step forming processing device according to claim 2, characterized in that: The lifting platform (15) is a hydraulic lifting platform.

6. The crank component internal thread one-step forming processing device according to claim 2, characterized in that: An annular step positioning groove (22) is provided at the center of the pressing substrate (20).

Images