Machine base drilling and milling dual-purpose process special structure mould
By designing a special structural tire for dual-purpose drilling and milling technology of the machine base, the problem of drilling and milling processes that need to be carried out separately in the existing technology is solved, and the efficient, accurate and safe overall operation of drilling and milling processing is achieved.
Patent Information
- Application Number
- CN202422390205.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-09-30
AI Technical Summary
The drilling and milling process of existing large motor housing foot needs to be carried out separately, resulting in long processing time and low efficiency.
A special structural tire tool for drilling and milling with a machine base is designed with right- and symmetrical right-angle notches and multiple positioning holes. It is designed with a hydraulic clamping device for machine tool to complete drilling and milling processing in one clamping.
It achieves stable accuracy and efficiency improvement of drilling and milling processing, accurate positioning, simple and compact structure, safe and reliable operation.
Smart Images

Figure CN223277534U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a special structure jig for a machine base used for drilling and milling. Background Art
[0002] At present, in the dual-purpose drilling and milling process technology for the base of large motor casings, drilling and milling are separated, the processing time is long and the processing efficiency is low. Summary of the Invention
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a special structure jig for the dual-purpose drilling and milling process of a machine base, which can achieve the purpose of drilling and milling the bottom foot holes and planes of the machine base by clamping twice in only one time. The special structure positioning jig for the dual-purpose drilling and milling is designed as a non-full-circular special structure jig with two notches. The jig is positioned and the machine base is clamped with the help of the machine tool hydraulic clamping device and automatic control technology. After operation, the overall operation is safe, reliable and stable, and the bottom foot drilling and milling processing accuracy is stable.
[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is realized as follows: it is a special structure jig for a machine base drilling and milling dual-purpose process, which is characterized by comprising:
[0005] The upper surface of the tire is a circular plane with two mirror-symmetrical right-angled notches on the left and right sides, and the diameter D of the tire circle is 620mm±1mm;
[0006] A first threaded hole and a second threaded hole; the first threaded hole and the second threaded hole are located on the circular longitudinal center dividing line of the tire, the distance L between the first threaded hole and the circular transverse center dividing line of the tire is 128 mm ± 1 mm, and the distance L between the second threaded hole and the circular transverse center dividing line of the tire is 172 mm ± 1 mm;
[0007] Two screw holes; the two screw holes are located on the jig and are symmetrically arranged, the distance L between the two screw holes and the circular transverse center dividing line of the jig is 65 mm ± 1 mm, and the distance L between the two screw holes and the circular longitudinal center dividing line of the jig is 187.5 mm ± 1 mm;
[0008] Two pin positioning holes; the two pin positioning holes are located on the tire and are symmetrically arranged, the distance L between the two pin positioning holes and the circular transverse center dividing line of the tire is 167mm±1mm, and the distance L between the two pin positioning holes and the circular longitudinal center dividing line of the tire is 140mm±1mm;
[0009] Center hole; the center hole is located at the center of the tire.
[0010] In this technical solution, the length L of the right-angle notch is 352 mm ± 1 mm, and the width L of the right-angle notch is 152 mm ± 1 mm.
[0011] In this technical solution, the aperture of the first threaded hole is 12mm±1mm, the aperture of the second threaded hole is 12mm±1mm, the aperture of the two screw holes is 13mm±1mm, the aperture of the pin positioning hole is 30mm±1mm, and the aperture of the center hole is 20mm±1mm.
[0012] In the present technical solution, a downwardly protruding stop is provided at the lower portion of the mold, the diameter D of the stop is 600 mm ± 1 mm, and the downwardly protruding height h of the stop is 5 mm to 7 mm.
[0013] In this technical solution, the thickness H of the mold is 28 mm to 31 mm.
[0014] Compared with the prior art, the advantages of the present invention are: accurate positioning, a special structure positioning jig that can overcome the shortcomings of the arc jig, so that it can cooperate with the hydraulic clamping mechanism of the machine tool when drilling and milling the base foot, so that it can be accurately positioned during the processing process, simple in structure, compact and stable, making it an efficient, simple and easy-to-use base foot drilling and milling tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 It is a top view of the utility model;
[0017] Figure 3 It is a side view of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the utility model during processing. DETAILED DESCRIPTION
[0019] The following further describes specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the descriptions of these embodiments are intended to facilitate understanding of the present invention and do not constitute limitations on the present invention. Furthermore, the technical features involved in the various embodiments of the present invention described below may be combined with one another as long as they do not conflict with one another.
[0020] like Figures 1 to 4 As shown, it is a special structure jig for drilling and milling dual-purpose process, including:
[0021] The upper surface of the tire 1 is a circular plane having two mirror-symmetrical right-angled notches 16 on the left and right sides, and the diameter D1 of the tire 1 is 619 mm, 620 mm, or 621 mm;
[0022] A first threaded hole 11 and a second threaded hole 15; the first threaded hole 11 and the second threaded hole 15 are located on the circular longitudinal center dividing line of the tire 1, the distance L1 between the first threaded hole 11 and the circular transverse center dividing line of the tire 1 is 127 mm, 128 mm, or 129 mm, and the distance L4 between the second threaded hole 15 and the circular transverse center dividing line of the tire 1 is 171 mm, 172 mm, or 173 mm;
[0023] Two screw holes 13; the two screw holes 13 are located on the tire 1 and are symmetrically arranged, the distance L2 between the two screw holes 13 and the circular transverse center dividing line of the tire 1 is 64 mm, 65 mm, or 66 mm, and the distance L3 between the two screw holes 13 and the circular longitudinal center dividing line of the tire 1 is 186.5 mm, 187.5 mm, or 188.5 mm;
[0024] Two pin positioning holes 14; the two pin positioning holes 14 are located on the tire 1 and are symmetrically arranged, the distance L6 between the two pin positioning holes 14 and the circular transverse center dividing line of the tire 1 is 166mm, 167mm, or 168mm, and the distance L7 between the two pin positioning holes 14 and the circular longitudinal center dividing line of the tire 1 is 139mm, 140mm, or 141mm;
[0025] Center hole 12; the center hole 12 is located at the center of the tire 1.
[0026] During operation, the surface of the jig 1 is a circular plane with two mirror-symmetrical right-angled notches 16 on the left and right, which facilitates cooperation with the machine tool worktable; two pin positioning holes 14 are drilled on the jig surface for accurately positioning the jig 1 on the machine tool worktable; two countersunk screw holes 13 are designed on the jig for pressing the jig 1 onto the machine tool worktable; the diameter D1 of the circular surface on the jig 1 is larger than the outer diameter of the machine base, which is used to cooperate with the end face of the machine base; a first threaded hole 11 and a second threaded hole 15 are drilled on the jig surface for stable and safe lifting of the jig 1;
[0027] In this embodiment, the length L8 of the right-angle notch 16 is 351 mm, 352 mm, or 353 mm, and the width L5 of the right-angle notch 16 is 151 mm, 152 mm, or 153 mm.
[0028] In this embodiment, the aperture of the first threaded hole 11 is 11mm or 12mm or 13mm, the aperture of the second threaded hole 15 is 12mm or 13mm or 14mm, the aperture of the screw hole 13 is 12mm or 13mm or 14mm, the aperture of the pin positioning hole 14 is 29mm or 30mm or 31mm, and the aperture of the center hole 12 is 19mm or 20mm or 21mm.
[0029] In this embodiment, a downwardly protruding stopper 17 is provided at the lower portion of the jig 1. The diameter D2 of the stopper 17 is 599 mm, 600 mm, or 601 mm, and the downwardly protruding height h of the stopper 17 is 5 mm, 6 mm, or 7 mm. The jig 1 is designed with a stopper 17 having the same diameter as the stopper of the machine base and a height h less than the depth of the stopper of the machine base, so as to cooperate with the stopper of the machine base.
[0030] In this embodiment, the thickness H of the mold 1 is 28 mm, 29 mm, 30 mm, or 31 mm.
[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations to these embodiments without departing from the principles and purpose of the present invention are still within the scope of protection of the present invention.
Claims
1. A special structure jig for drilling and milling dual-purpose machine base, characterized in that include: A mold (1); the upper surface of the mold (1) is a circular plane having two mirror-symmetrical right-angle notches (16) on the left and right sides, and the diameter D1 of the circle of the mold (1) is 620 mm ± 1 mm; a first threaded hole (11) and a second threaded hole (15); the first threaded hole (11) and the second threaded hole (15) are located on the circular longitudinal center dividing line of the mold (1), a distance L1 between the first threaded hole (11) and the circular transverse center dividing line of the mold (1) is 128 mm ± 1 mm, and a distance L4 between the second threaded hole (15) and the circular transverse center dividing line of the mold (1) is 172 mm ± 1 mm; Two screw holes (13); the two screw holes (13) are located on the mold (1) and are symmetrically arranged, the distance L2 between the two screw holes (13) and the circular transverse center dividing line of the mold (1) is 65 mm ± 1 mm, and the distance L3 between the two screw holes (13) and the circular longitudinal center dividing line of the mold (1) is 187.5 mm ± 1 mm; Two pin positioning holes (14); the two pin positioning holes (14) are located on the mold (1) and are symmetrically arranged, the distance L6 between the two pin positioning holes (14) and the circular transverse center dividing line of the mold (1) is 167 mm ± 1 mm, and the distance L7 between the two pin positioning holes (14) and the circular longitudinal center dividing line of the mold (1) is 140 mm ± 1 mm; and A center hole (12); the center hole (12) is located at the center of the mold (1).
2. The special structure jig for the drilling and milling dual-purpose process of the machine base according to claim 1 is characterized in that The length L8 of the right-angle notch (16) is 352 mm ± 1 mm, and the width L5 of the right-angle notch (16) is mm ± 1 mm.
3. The special structure jig for the drilling and milling dual-purpose process of the machine base according to claim 1 is characterized in that The aperture of the first threaded hole (11) is 12 mm ± 1 mm, the aperture of the second threaded hole (15) is φ13 mm ± 1 mm, the aperture of the two screw holes (13) is 13 mm ± 1 mm, the aperture of the pin positioning hole (14) is 30 mm ± 1 mm, and the aperture of the center hole (12) is 20 mm ± 1 mm.
4. The special structure jig for the drilling and milling dual-purpose process of the machine base according to claim 1 is characterized in that A downwardly protruding stopper (17) is provided at the lower portion of the mold (1), the diameter D2 of the stopper (17) is 600 mm ± 1 mm, and the downwardly protruding height h of the stopper (17) is 5 mm to 7 mm.
5. The special structure jig for the drilling and milling dual-purpose process of the machine base according to claim 1 is characterized in that The thickness H of the tire (1) is 28 mm to 31 mm.