A drilling and tapping device for annular thin plates

Abstract

This utility model relates to the field of machining technology, and in particular to a drilling and tapping device for annular thin plates. The device includes an upper fixed seat and a lower fixed seat. The upper fixed seat includes a body and a protrusion connected to the center of the lower surface of the body. The annular thin plate can be fitted onto the protrusion. The body has a through hole at at least one preset position for a drill bit to pass through. The lower fixed seat has an insertion hole at its center corresponding to the protrusion. After the annular thin plate is fitted onto the protrusion, the protrusion is inserted into the insertion hole. The upper and lower fixed seats cooperate to clamp the annular thin plate. The drill bit passes through the through hole to drill and tap the annular thin plate. This utility model solves the problems of difficult clamping of annular thin plates, the occurrence of multi-sided holes, "drill bit jamming," or drill bit breakage. It has the advantages of on-site visualization, easy operation, reliable solution, and strong operability, ensuring the accuracy requirements of drilling and tapping, and improving processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a drilling and tapping device for annular thin plates. Background Technology

[0002] In the metalworking machinery manufacturing industry, the material thickness of thin plate parts is generally less than 3mm, and the clamping problem on machine tools has always been a difficult issue. If holes are drilled directly into thin plates, the drill bit is prone to losing centering control, resulting in multi-faceted holes, and accidents such as "drill bit jamming" or drill bit breakage may occur. Therefore, there is an urgent need to develop a drilling and tapping device for annular thin plates to solve the above-mentioned technical problems. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model provides a drilling and tapping device for annular thin plates, comprising: The upper fixing seat includes a body and a protrusion connected to the center of the lower surface of the body. An annular thin plate can be fitted onto the protrusion. The body has a through hole at at least one preset position for the drill bit to pass through. The lower fixing seat has a corresponding insertion hole in the center of the lower fixing seat; In this process, after the annular thin plate is fitted onto the protrusion, the protrusion is inserted into the insertion hole. The upper and lower fixing seats cooperate to clamp the annular thin plate. After the drill bit passes through the through hole, it drills and taps the annular thin plate.

[0004] Preferably, a lower positioning post is provided on the upper surface of the lower fixing seat, and an upper positioning post is provided on the side of the upper fixing seat corresponding to the lower positioning post. The position of the upper fixing seat is adjusted so that the upper positioning post abuts against the lower positioning post to position the annular thin plate.

[0005] Preferably, the main body is provided with a plurality of through holes evenly distributed around the protrusion, and the upper positioning post is located in the middle of two of the through holes.

[0006] Preferably, the above-mentioned drilling and tapping device further includes: Drill bushings are installed inside through holes.

[0007] Preferably, the body and the protrusion are integrally formed.

[0008] Preferably, the upper fixing seat has a threaded hole extending from the upper surface of the main body to the bottom of the protrusion, and the upper fixing seat and the lower fixing seat are fixedly connected by bolts.

[0009] Preferably, the bolt is also provided with a spring washer.

[0010] Preferably, the shape of the upper fixing seat is a mimicry of an annular thin plate.

[0011] Preferably, the shape of the aforementioned annular thin plate is one of a circle, a rectangle, and a square.

[0012] Preferably, the radial length of the upper fixed seat is greater than the radial length of the annular thin plate.

[0013] The beneficial effects of this utility model are as follows: This utility model solves the problems of difficult clamping of annular thin plates, the occurrence of multi-sided holes, "knife jamming" or drill bit breakage, and has the beneficial effects of on-site visibility, easy operation, reliable solution and strong operability, ensuring the accuracy requirements of drilling and tapping and improving processing efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the present invention; Figure 2 A cross-sectional view of an annular thin plate mounted on this utility model; Figure 3 This is a cross-sectional view of the present invention with multiple annular thin plates mounted on it.

[0016] The attached figures are labeled as follows: Bolt 1; Lower fixing seat 2; Annular thin plate 3; Drill sleeve 4; Upper fixing seat 5; 6. Spring washer; 7. Lower positioning post; 8. Upper positioning post; 51. Body; 52. Protrusion. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] The illustrative embodiments and descriptions of this utility model are used to explain the utility model, but are not intended to limit the utility model. Furthermore, elements / components using the same or similar reference numerals in the drawings and embodiments are used to represent the same or similar parts.

[0019] The terms "first," "second," "S1," "S2," etc., used in this document do not specifically refer to any order or sequence, nor are they intended to limit the present invention. They are merely used to distinguish elements or operations described with the same technical terms.

[0020] The directional terms used in this article, such as up, down, left, right, front, or back, are for reference only when referring to the accompanying drawings. Therefore, the use of directional terms is for illustrative purposes and not for limiting the scope of this work.

[0021] The terms “include,” “including,” “have,” “contain,” etc., used in this article are all open-ended terms, meaning that they include but are not limited to.

[0022] The term "and / or" as used herein includes any or all of the things mentioned.

[0023] The term "multiple" in this article includes "two" and "more than two"; the term "multiple groups" in this article includes "two groups" and "more than two groups".

[0024] Certain terms used to describe this application will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the application.

[0025] Please refer to Figures 1 to 3 , Figure 1 This is a schematic diagram of the present invention. Figure 2 A cross-sectional view of an annular thin plate mounted on this utility model; Figure 3 This is a cross-sectional view showing the mounting of multiple annular thin plates on this utility model. (See figure) Figures 1 to 3 As shown, this utility model provides a drilling and tapping device for annular thin plates, including: an upper fixing seat 5 and a lower fixing seat 2. The upper fixing seat 5 includes a body 51 and a protrusion 52 connected to the center of the lower surface of the body 51. The annular thin plate 3 can be sleeved on the protrusion 52. The body 51 has a through hole at at least one preset position for the drill bit to pass through. The lower fixing seat 2 has an insertion hole at the center corresponding to the protrusion 52. After the annular thin plate 3 is sleeved on the protrusion 52, the protrusion 52 is inserted into the insertion hole. The upper fixing seat 5 and the lower fixing seat 2 cooperate to clamp the annular thin plate 3. After the drill bit passes through the through hole, it drills and taps the annular thin plate 3.

[0026] The shape of the upper fixed seat 5 is a mimicry of the annular thin plate 3.

[0027] The annular thin plate 3 described above has a shape that is one of a circle, a rectangle, or a square.

[0028] The radial length of the upper fixed seat 5 is greater than the radial length of the annular thin plate 3.

[0029] Furthermore, please refer to Figures 1 to 3 The aforementioned drilling and tapping device also includes: a drill sleeve 4, which is disposed inside the through hole.

[0030] Furthermore, please refer to Figures 1 to 3 The lower fixing seat 2 is provided with a lower positioning post 7 on its upper surface. The upper fixing seat 5 is provided with an upper positioning post 8 on its side corresponding to the lower positioning post 7. The position of the upper fixing seat 5 is adjusted so that the upper positioning post 8 abuts against the lower positioning post 7 to position the annular thin plate 3.

[0031] Furthermore, please refer to Figures 1 to 3 The main body 51 is provided with a plurality of through holes evenly distributed around the protrusion 52, and the upper positioning post 8 is located in the middle of two of the through holes.

[0032] Furthermore, please refer to Figures 1 to 3 The aforementioned body 51 and protrusion 52 are integrally formed.

[0033] Furthermore, please refer to Figures 1 to 3 The upper fixing seat 5 has a threaded hole extending from the upper surface of the body 51 to the bottom of the protrusion 52. The upper fixing seat 5 and the lower fixing seat 2 are fixedly connected by bolts 1.

[0034] Furthermore, please refer to Figures 1 to 3 A spring washer 6 is also provided on the bolt 1.

[0035] Specifically, in one embodiment of this utility model, the upper fixing seat 5 has six through holes evenly spaced, and six drill sleeves 4 are installed in the six through holes. The body 51 and the protrusion 52 are integrally formed to constitute the upper fixing seat 5. The interior of the upper fixing seat 5 has threaded holes extending from the upper surface of the body 51 to the bottom of the protrusion 52. The lower fixing seat 2 has an insertion hole corresponding to the protrusion 52 at its center.

[0036] An upper positioning post 8 is provided on the side of the main body 51, positioned between any two through holes. A lower positioning post 7, corresponding to the upper positioning post 8, is then provided on the upper surface of the lower fixed seat 2. The upper positioning post 8 and the lower positioning post 7 are abutted together. The advantage of this arrangement is that after each drilling operation, the drill bit leaves drill marks on the upper surface of the lower fixed seat 2. Without positioning, multiple drill marks would be left on the upper surface of the lower fixed seat 2 after multiple drilling operations. If the drill bit then drills into the edge of these marks, it would break. By using the abutting and abutting positioning of the upper positioning post 8 and the lower positioning post 7, it is ensured that even after multiple machining operations, the drill marks on the upper surface of the lower fixed seat 2 are unique, thus preventing drill bit breakage during repeated workpiece drilling.

[0037] During drilling and tapping, the annular thin plate 3 is first fitted onto the protrusion 52, then the protrusion 52 is inserted into the insertion hole. The annular thin plate 3 is clamped and positioned by the upper fixed seat 5 and the lower fixed seat 2. The bolt 1 is then screwed into the threaded hole of the upper fixed seat 5 to fix the upper fixed seat 5 and the lower fixed seat 2. A spring washer 6 is also provided on the bolt 1 to cooperate with the bolt 1 for fixation. After installation, the drilling and tapping device is placed on a drilling machine for drilling and tapping. Furthermore, multiple annular thin plates 3 can be placed at once during processing, and drilling and tapping can be completed in one operation on the drilling machine, greatly improving processing efficiency.

[0038] In summary, this utility model solves the problems of difficult clamping of annular thin plates, the occurrence of multi-sided holes, "drill bit jamming" or drill bit breakage. It has the advantages of on-site visibility, easy operation, reliable solution and strong operability, ensuring the accuracy requirements of drilling and tapping and improving processing efficiency.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A drilling device for annular sheet metal, characterized in that include: The upper fixing seat includes a body and a protrusion connected to the center of the lower surface of the body. An annular thin plate can be sleeved on the protrusion. The body has a through hole at at least one preset position for the drill bit to pass through. The lower fixing seat has a corresponding insertion hole at its center; In this process, after the annular thin plate is fitted onto the protrusion, the protrusion is inserted into the insertion hole. The upper fixing seat and the lower fixing seat cooperate to clamp the annular thin plate. After the drill bit passes through the through hole, it drills and taps the annular thin plate.

2. The drilling apparatus of claim 1, wherein A lower positioning post is provided on the upper surface of the lower fixing seat, and an upper positioning post is provided on the side of the upper fixing seat corresponding to the lower positioning post. The position of the upper fixing seat is adjusted so that the upper positioning post abuts against the lower positioning post to position the annular thin plate.

3. The drilling and tapping device as described in claim 2, characterized in that, Multiple through holes are evenly provided around the protrusion on the main body, and the upper positioning post is located in the middle of two of the through holes.

4. The drilling and tapping device as described in claim 1, characterized in that, include: A drill bushing is installed inside the through hole.

5. The drilling and tapping device as described in claim 1, characterized in that, The body and the protrusion are integrally formed.

6. The drilling and tapping device as described in claim 5, characterized in that, The upper fixing seat has a threaded hole extending from the upper surface of the body to the bottom of the protrusion, and the upper fixing seat and the lower fixing seat are fixedly connected by bolts.

7. The drilling and tapping device as described in claim 6, characterized in that, A spring washer is also provided on the bolt.

8. The drilling and tapping device as described in claim 1, characterized in that, The upper fixing seat is shaped like the annular thin plate.

9. The drilling and tapping device as described in claim 8, characterized in that, The annular thin plate is in the shape of a circle, a rectangle, or a square.

10. The drilling and tapping device as described in claim 9, characterized in that, The radial length of the upper fixed seat is greater than the radial length of the annular thin plate.

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