Positioning device for a punch

Abstract

The utility model provides a positioning device for punching, including bottom lining and adjusting piece, be equipped with a vertical through one word hole on bottom lining, be equipped with a center hole and two arc holes on adjusting piece, two arc holes are about center hole center symmetry, and the center hole and two arc holes respectively are provided with a locating ring, the lower end of each locating ring is respectively embedded in the one word hole of bottom lining, and the axis of locating ring is perpendicular with the end face of adjusting piece and bottom lining, and the locating ring of center hole is fixedly connected with one word hole, and the locating ring of arc hole is in sliding fit with one word hole, this positioning device for punching is through the rotation adjusting piece, and the locating ring in two arc holes opens and shuts along one word hole synchronously, can determine symmetrical hole point fast, avoids the error that traditional scale measurement and manual marking brought, reduces the operation difficulty, improves the positioning precision of symmetrical hole.

Description

Technical Field

[0001] This utility model relates to a positioning device for drilling. Background Technology

[0002] Drilling is a common processing method in many fields, such as construction, machinery manufacturing, and electronic equipment production. Among the many drilling scenarios, the need to drill symmetrical holes is very common, such as in mechanical manufacturing parts like shafts, gears, and sheet metal, as well as structural components in some building projects.

[0003] However, current technology for symmetrical hole drilling and positioning typically uses a ruler to measure the symmetrical points. This method is not only inefficient but also cumbersome. Surveyors must first determine a reference surface, then use a ruler to measure and draw multiple auxiliary lines to determine the position of the symmetrical points, and mark them – a very troublesome process. For example, in machining, workers need to rely on experience to use fixtures to fix the workpiece, and then use tools such as rulers to draw lines to find the symmetrical points. This not only increases the amount of preparation work but also, due to the instability of manual operation, easily leads to deviations in the marked points, thus affecting the accuracy of subsequent drilling and making it difficult for the drilled symmetrical holes to meet design requirements. Utility Model Content

[0004] In order to overcome the shortcomings of the above-mentioned background technology, the present invention provides a positioning device for drilling that can quickly determine symmetrical hole points.

[0005] The technical implementation scheme of this utility model is as follows: a positioning device for drilling includes a base plate and an adjusting plate. The base plate has a vertical through hole. The adjusting plate has a central hole and two arc-shaped holes. The two arc-shaped holes are symmetrical about the central hole. A positioning ring is set in the central hole and the two arc-shaped holes respectively. The lower end of each positioning ring is embedded in the hole in the base plate. The axis of the positioning ring is perpendicular to the end face of the adjusting plate and the base plate. The positioning ring in the central hole is fixedly connected to the hole. The positioning ring in the arc-shaped holes is slidably engaged with the hole. By rotating the adjusting plate with the central hole as the center, the positioning rings in the two arc-shaped holes can open and close synchronously along the hole.

[0006] More preferably, it also includes a limiting component, which includes a measuring ruler and a limiting piece. One end of the measuring ruler is connected to the side of the bottom liner. Slide grooves are provided on both sides of the measuring ruler along its length. The upper end of the limiting piece forms a slider structure that is slidably connected to the slide grooves. A side threaded hole is provided on the side of the limiting piece, and a locking element is provided in the side threaded hole.

[0007] More preferably, the bottom of the limiting piece extends downward to form an extension portion, and a horizontal hole is provided on the extension portion, the central axis of the horizontal hole intersecting the central axis of the central hole.

[0008] More preferably, the measuring scale and the base plate are connected by a quick-release structure, wherein the quick-release structure includes an insert at one end of the measuring scale and a slot on the side of the base plate that engages with the insert.

[0009] More preferably, slots are provided on adjacent sides of the bottom liner.

[0010] More preferably, the measuring ruler is marked with a first length mark and a second length mark along its length direction, and the limiting piece is provided with pointers pointing to the first length mark and the second length mark respectively.

[0011] Compared with the prior art, the present invention has the following advantages: the positioning device for drilling holes uses a rotating adjusting plate to make the positioning rings in the two arc-shaped holes open and close synchronously along the straight hole, which can quickly determine the symmetrical hole points, avoid the errors caused by traditional ruler measurement and manual marking, reduce the difficulty of operation, and improve the positioning accuracy of symmetrical holes. The device has a simple structure, is easy to operate, and is easy for workers to master and use. It can quickly start to perform symmetrical hole positioning work and is suitable for various scenarios that require drilling symmetrical holes. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0013] Figure 2 This is an exploded view of the present invention.

[0014] Figure 3 This is a cross-sectional view of the bottom liner of this utility model.

[0015] Figure 4 This is a schematic diagram of the structure of the measuring ruler, limiting piece, insert, slot and pointer of this utility model.

[0016] The components in the attached diagram are labeled as follows: 1. Base plate, 11. Straight hole, 2. Adjusting plate, 21. Center hole, 22. Arc hole, 3. Positioning ring, 31. Bottom ring, 32. End cap, 4. Measuring ruler, 41. Slide groove, 42. First length mark, 43. Second length mark, 5. Limiting plate, 51. Sliding block structure, 52. Side threaded hole, 53. Locking part, 54. Extension, 55. Horizontal hole, 6. Insert, 6b. Slot, 7. Pointer. Detailed Implementation

[0017] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. 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] like Figures 1-4 The positioning device for drilling shown includes a base plate 1 and an adjusting plate 2. The base plate 1 has a vertical through-hole 11. The adjusting plate 2 has a central hole 21 and two arc-shaped holes 22, where the two arc-shaped holes 22 are centrally symmetrical about the central hole 21. A positioning ring 3 is respectively installed in the central hole 21 and the two arc-shaped holes 22. The lower end of each positioning ring 3 is embedded in the through-hole 11 on the base plate. It should be noted that the axis of the positioning ring 3 is perpendicular to the end faces of both the adjusting plate 2 and the base plate 1. The positioning ring 3 located in the central hole 21 is fixedly connected to the through-hole 11, while the positioning ring 3 located in the arc-shaped holes 22 is slidably engaged with the through-hole 11. Rotating the adjusting plate 2 around the central hole 21 causes the positioning rings 3 in the two arc-shaped holes 22 to synchronously open and close along the through-hole 11 under the combined action of the arc-shaped holes 22 and the through-hole 11. Figure 1 Using this as a reference, when viewing the view directly, rotating the adjusting piece 2 counterclockwise will cause the two symmetrical positioning rings 3 to move to the sides respectively. When rotating clockwise, the two symmetrical positioning rings 3 will move closer to each other. Therefore, by rotating the adjusting piece 2, the position of the two symmetrical positioning rings 3 can be quickly adjusted, thereby quickly determining the symmetrical hole points.

[0019] For details, please refer to Figure 2 and Figure 3 The slotted hole 11 on the bottom liner 1 is a stepped hole with a large bottom diameter and a small top diameter. The positioning ring 3 consists of a bottom ring 31 and an end cap 32. The upper end of the bottom ring 31 matches the size of the upper half of the stepped hole, and the lower end of the bottom ring 31 matches the size of the lower half of the stepped hole. The outer ring of the upper end of the bottom ring 31 is provided with external threads, and the inner ring of the end cap 32 is provided with internal threads. The end cap 32 and the bottom ring 31 are connected by threads. Tightening the end cap 32 can fix the positioning ring 3 to the bottom liner 1 by clamping.

[0020] refer to Figure 1 and Figure 4In a preferred embodiment, the drilling positioning device further includes a limiting component, specifically a measuring ruler 4 and a limiting piece 5. The measuring ruler 4 is a straight ruler, with one end connected to the side of the liner 1. A groove 41 is formed along the length of both sides of the measuring ruler 4. The upper end of the limiting piece 5 forms a slider structure 51 that is slidably connected to the groove 41. A side threaded hole 52 is formed on the side of the limiting piece 5, and a locking member 53 is provided in the side threaded hole 52. In use, the slider structure 51 is pressed against the edge of the workpiece, and the length of the measuring ruler 4 is adjusted to adjust the distance between the positioning ring 3 and the slider structure 51, i.e., the edge of the workpiece. After the distance is determined, it can be locked by the locking member 53, and then drilling can be performed. If several holes are to be drilled at the same interval on the workpiece, the positioning device only needs to be moved in parallel.

[0021] Furthermore, the bottom of the limiting piece 5 extends downward to form an extension portion 54, on which a horizontal hole 55 is formed. The central axis of the horizontal hole 55 intersects with the central axis of the central hole 21. In some special scenarios, it is necessary to process mutually penetrating holes on the surface and side of the workpiece. The difficulty in processing is that the two holes are not on the same plane. Traditional measurement methods make it difficult to determine whether the two holes can penetrate and whether their positions are offset. With this device, holes can be drilled directly along the positioning ring of the central hole 21 and along the horizontal hole 55, so that the two holes can always penetrate and ensure that they do not shift.

[0022] In one specific embodiment, the measuring ruler 4 is connected to the base plate 1 via a quick-release structure. This quick-release structure includes an insert 6a at one end of the measuring ruler 4 and a slot 6b on the side of the base plate 1 that mates with the insert 6a. This quick-release connection makes the device more flexible; the measuring ruler 4 can be installed when needed and stored away when not in use, saving space and making the device more convenient. Furthermore, in a preferred embodiment, slots 6b are provided on adjacent sides of the base plate 1. This allows the measuring ruler 4 to be connected to either the front or side of the base plate 1, depending on the shape of the workpiece and the pre-drilled hole position, further increasing the flexibility of the workpiece.

[0023] It should be noted that the measuring ruler 4 is marked with a first length mark 42 and a second length mark 43 along its length direction. The limiting piece 5 is provided with pointers 7 that point to the first length mark 42 and the second length mark 43 respectively. The first length mark 42 and the second length mark 43 correspond to two sets of measurement schemes. Since the distance between the measuring ruler 4 and the positioning ring 3 is different when the measuring ruler 4 is connected to the front and side of the base plate 1, the accuracy of the measurement can be guaranteed when connected in different positions.

[0024] The embodiments described above are merely preferred embodiments of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications, improvements, and substitutions without departing from the inventive concept, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A positioning device for drilling, characterized in that, The device includes a base plate (1) and an adjusting plate (2). The base plate (1) has a vertical through hole (11). The adjusting plate (2) has a central hole (21) and two arc-shaped holes (22). The two arc-shaped holes (22) are symmetrical about the central hole (21). A positioning ring (3) is provided in the central hole (21) and the two arc-shaped holes (22). The lower end of each positioning ring (3) is embedded in the base plate (1). In the slotted hole (11), the axis of the positioning ring (3) is perpendicular to the end face of the adjusting plate (2) and the bottom plate (1). The positioning ring (3) located in the center hole (21) is fixedly connected to the slotted hole (11), and the positioning ring (3) located in the arc hole (22) is slidably engaged with the slotted hole (11). By rotating the adjusting plate (2) with the center hole (21) as the center, the positioning rings (3) in the two arc holes (22) can open and close synchronously along the slotted hole (11).

2. The positioning device for drilling according to claim 1, characterized in that, It also includes a limiting component, which includes a measuring ruler (4) and a limiting piece (5). One end of the measuring ruler (4) is connected to the side of the bottom liner (1). The measuring ruler (4) has a sliding groove (41) on both sides along its length. The upper end of the limiting piece (5) forms a slider structure (51) that is slidably connected to the sliding groove (41). The side of the limiting piece (5) is provided with a side threaded hole (52), and a locking element (53) is provided in the side threaded hole (52).

3. The positioning device for drilling according to claim 2, characterized in that, The bottom of the limiting piece (5) extends downward to form an extension portion (54), and a horizontal hole (55) is provided on the extension portion (54). The central axis of the horizontal hole (55) intersects with the central axis of the central hole (21).

4. The positioning device for drilling according to claim 3, characterized in that, The measuring scale (4) is connected to the bottom liner (1) by a quick-release structure, wherein the quick-release structure includes a insert (6a) at one end of the measuring scale (4) and a slot (6b) on the side of the bottom liner (1) that engages with the insert (6a).

5. The positioning device for drilling according to claim 4, characterized in that, The bottom liner (1) has slots (6b) on its adjacent two sides.

6. The positioning device for drilling according to claim 5, characterized in that, The measuring ruler (4) is marked with a first length mark (42) and a second length mark (43) along its length direction, and the limiting piece (5) is provided with pointers (7) pointing to the first length mark (42) and the second length mark (43) respectively.

Images