A universal angle drilling tool for bench work
By designing a universal angle drilling fixture for fitters, the problem of CNC drilling equipment being unable to process side holes in tube sheets was solved, enabling efficient and low-cost multi-hole processing on the same equipment, reducing production costs and waiting time.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DAMING HEAVY IND
- Filing Date
- 2025-05-20
- Publication Date
- 2026-06-09
AI Technical Summary
Existing CNC drilling equipment cannot machine side holes on the outer circle of tube sheet products, resulting in high processing costs, long waiting time, and the need for secondary processing on other equipment, causing production capacity conflicts and increased costs.
Design a universal angle drilling fixture for fitters, including an L-shaped panel, auxiliary strips and limit strips, for mounting drilling devices, to achieve machining of the hole and side hole in the same straight line, simplifying operation and reducing costs.
It enables the one-time completion of plate face and side hole processing on the same equipment, reducing processing costs and waiting time, improving production efficiency, and reducing equipment investment and secondary processing costs.
Smart Images
Figure CN224333487U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a drilling device, specifically a universal angle drilling fixture for fitters. Background Technology
[0002] Because the tube sheet product has a few (1-2) drain or vent outlets on the side, but some CNC drilling equipment does not have an attachment head, it can only perform planar drilling and cannot process the side holes on the outer circle.
[0003] Existing problems:
[0004] 1. Conventional processes require secondary processing on other equipment (floor-mounted boring machines), which results in high processing costs, waiting time (capacity conflicts), and long cycles.
[0005] 2. The actual processing steps for this side hole are simple, the precision requirements are low, and the time required is short. However, if it is arranged to be processed on other equipment, it will incur a processing cost of about 1,000 to 1,500 yuan per piece. Utility Model Content
[0006] To address the shortcomings of the existing technology, this utility model provides a universal angle drilling fixture for fitters. This utility model overcomes the drawbacks of high cost and waiting time between upstream and downstream processes in the existing processing methods, ensuring that the center of the plate hole, the side hole, and the tube plate are on the same straight line. Fitters can process directly without transferring to other equipment. It is simple to operate, low in cost, and convenient to use.
[0007] To achieve the above technical objectives, this utility model adopts the following technical solution: a universal angle drilling fixture for fitters, comprising a first panel and a second panel, the ends of the first panel and the second panel being perpendicularly connected to form an L-shaped panel, both the first panel and the second panel being used to mount a drilling device; further comprising an auxiliary strip, the auxiliary strip being L-shaped, with its L-side connected to the L-side of the L-shaped panel, the auxiliary strip being provided with a first protrusion and a second protrusion, the first protrusion and the second protrusion being located at opposite ends of the auxiliary strip; at the position of the first panel, the auxiliary strip, the first protrusion, and the second protrusion form a first working area; at the position of the second panel, the auxiliary strip and the second protrusion form a second working area, and the drill bit of the drilling device works in the first working area and the second working area.
[0008] It also includes a limiting strip, which is L-shaped and has its L-side connected to the L-side of the L-shaped panel; the limiting strip and the auxiliary strip are located on opposite sides of the L-shaped panel; the surfaces of the limiting strip and the auxiliary strip are both higher than the L-shaped panel and form a limiting groove, and the drilling device is installed in the limiting groove.
[0009] The limiting groove is also provided with L-shaped gaps on both sides.
[0010] The length of the first panel is greater than the length of the second panel.
[0011] The lower edges of the first bump and the second bump are the first reference edge and the second reference edge, respectively.
[0012] The second protrusion has an alignment groove facing the lower corner of the first protrusion, and the alignment groove has a vertical first inner surface and a second inner surface.
[0013] In summary, this utility model achieves the following technical effects:
[0014] Short-term effect: With this tooling, fitters can process more than 90% of the side holes of tube sheets on site without having to arrange for boring machines to process them;
[0015] Long-term effects: The current one-time material cost for this tooling is 300 yuan. In the future, there will be no need to re-materialize and process the tooling. It can be reused, which not only reduces the tooling cost, but also reduces the cost of re-processing on the boring machine, thereby greatly reducing the company's tooling investment cost and equipment processing cost.
[0016] This invention can process both the front and side holes of a plate in one operation, ensuring that the two holes are aligned with the center of the workpiece, making it convenient to use. Attached Figure Description
[0017] Figure 1 It is a universal angle drilling tool for fitters;
[0018] Figure 2 yes Figure 1 Perspective view;
[0019] Figure 3 This is a schematic diagram of the actual use of a universal angle drilling tool for fitters. Detailed Implementation
[0020] The present invention will be further described in detail below with reference to the accompanying drawings.
[0021] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0024] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0025] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0026] Example:
[0027] Figure 1 It is a universal angle drilling tool for fitters. Figure 2 yes Figure 1The perspective view includes a first panel 13 and a second panel 14. The ends of the first panel 13 and the second panel 14 are perpendicularly connected to form an L-shaped panel. Both the first panel 13 and the second panel 14 are used to install drilling devices. Figure 3 This is a schematic diagram of the actual use of a universal angle drilling fixture for fitters. The first panel 13 is attached to the upper surface of the workpiece 2, and the second panel 14 is attached to the vertical outside of the workpiece 2 to achieve pre-positioning and ensure accurate drilling.
[0028] It also includes an auxiliary strip 12, which is L-shaped and has its L-side connected to the L-side of the L-shaped panel. The two L-shaped strips are matched and connected, which increases the strength and allows the L-shaped panel to pre-position the auxiliary strip 12. The auxiliary strip 12 is provided with a first protrusion 15 and a second protrusion 16, which are located at the two ends of the auxiliary strip 12, respectively. The first protrusion 15 and the second protrusion 16 are used to align with the positioning lines on the workpiece 2 to achieve precise positioning.
[0029] At the position of the first panel 13, the auxiliary strip 12, the first protrusion 15, and the second protrusion 16 form a first working area 17; at the position of the second panel 14, the auxiliary strip 12 and the second protrusion 16 form a second working area 18, and the drill bit of the drilling device works in the first working area 17 and the second working area 18. Figure 3 The holes to be machined on workpiece 2 are plate hole 3 and side hole 4. Plate hole 3 is located in the first working area 17, and side hole 4 is located in the second working area 18, which facilitates drilling.
[0030] It also includes a limiting strip 11, which is L-shaped and has its L-side connected to the L-side of the L-shaped panel; the two L-shaped strips are matched and connected, which serves two purposes: increasing strength and providing a limiting space for the drilling device. The limiting strip 11 and the auxiliary strip 12 are located on opposite sides of the L-shaped panel; the surfaces of both the limiting strip 11 and the auxiliary strip 12 are higher than the L-shaped panel, forming a limiting groove, in which the drilling device is installed. Figure 3 The drilling device consists of magnetic drill 5 and magnetic drill 6. The first panel 13 and the second panel 14 are made of iron and stainless steel, respectively. The magnetic drills are attached to the panels to perform their work.
[0031] The limiting groove is also provided with L-shaped gaps 19 on both sides to facilitate the disassembly of the magnetic drill.
[0032] The length of the first panel 13 is greater than the length of the second panel 14, resulting in a larger and more stable area that adheres to the upper surface of the workpiece.
[0033] like Figure 2As shown, the lower edges of the first protrusion 15 and the second protrusion 16 are the first reference edge 151 and the second reference edge 161, respectively. The first reference edge 151 and the second reference edge 161 are used to align the positioning lines on the workpiece.
[0034] The second protrusion 16 has an alignment groove 20 facing the lower corner of the first protrusion 15. The alignment groove 20 has a vertical first inner surface 201 and a second inner surface 202. The alignment groove 20 is used to abut against the outer corner of the workpiece 2 to assist in positioning. The first inner surface 201 is flush with the lower surface of the first protrusion 15 and together they fit against the upper surface of the workpiece.
[0035] like Figure 3 As shown, starting from the center of the outer circle of workpiece 2, locate the positions of the hole 3 and the side hole 4 to be machined according to the dimensions in the drawing. Draw a line with the center of the hole 3 as the passing point, connecting the end of the line to the outer circle. This line serves as the positioning line. Figure 3 S represents;
[0036] Align the first reference edge 151 and the second reference edge 161 with the positioning line, align the groove 20 with the outer rounded corner, and use the pressure plate (not shown) to fix the first panel 13 on the workpiece 2.
[0037] The magnetic drills 5 and 6 are attached to the panel. The perpendicular relationship between the two sides of the limiting groove ensures that the processed side hole 4 is in the same straight line as the hole 3 and the center of the outer circle of the panel.
[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims
1. A universal angle drilling fixture for fitters, characterized in that: The device includes a first panel (13) and a second panel (14), the ends of which are perpendicularly connected to form an L-shaped panel. Both the first panel (13) and the second panel (14) are used to mount a drilling device. It also includes an auxiliary strip (12), which is L-shaped and has its L-side connected to the L-side of the L-shaped panel. The auxiliary strip (12) is provided with a first protrusion (15) and a second protrusion (16), which are located at the two ends of the auxiliary strip (12). At the position of the first panel (13), the auxiliary strip (12), the first protrusion (15), and the second protrusion (16) form a first working area (17). At the position of the second panel (14), the auxiliary strip (12) and the second protrusion (16) form a second working area (18). The drill bit of the drilling device works in the first working area (17) and the second working area (18).
2. The universal angle drilling fixture for fitters according to claim 1, characterized in that: It also includes a limiting strip (11), which is L-shaped and has its L-side connected to the L-side of the L-shaped panel; the limiting strip (11) and the auxiliary strip (12) are located on opposite sides of the L-shaped panel; the surfaces of the limiting strip (11) and the auxiliary strip (12) are both higher than the L-shaped panel and form a limiting groove, and the drilling device is installed in the limiting groove.
3. A universal angle drilling fixture for fitters according to claim 2, characterized in that: The limiting groove is also provided with L-shaped gaps (19) on both sides.
4. A universal angle drilling fixture for fitters according to claim 1, characterized in that: The length of the first panel (13) is greater than the length of the second panel (14).
5. A universal angle drilling fixture for fitters according to claim 1, characterized in that: The lower edges of the first protrusion (15) and the second protrusion (16) are the first reference edge (151) and the second reference edge (161), respectively.
6. A universal angle drilling fixture for fitters according to claim 1, characterized in that: The second protrusion (16) has an alignment groove (20) facing the lower corner of the first protrusion (15), and the alignment groove (20) has a vertical first inner surface (201) and a second inner surface (202).