Multifunctional square tube drilling tool
By designing a multi-functional square tube drilling fixture, and using a stud, a rotating handle clamping device, and a chip removal hole, the problems of unstable clamping and difficult chip removal in the existing technology have been solved, achieving high-precision drilling and efficient operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHIYAN HESHUO IND & TRADE CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-05-29
AI Technical Summary
Existing square tube drilling fixtures suffer from insufficient clamping stability and unreasonable structural design, resulting in low drilling accuracy, cumbersome operation, and difficulty in cleaning up iron filings, thus affecting work efficiency.
A multifunctional square tube drilling fixture was designed, comprising a positioning sleeve, a clamping device, and a positioning device. It uses studs and a rotating handle to clamp the square tube, increasing the stability of workpiece clamping, and facilitates chip removal through the chip removal hole. The integrated operation simplifies the process.
It improves drilling accuracy and work efficiency, reduces product scrap and rework, enhances product adaptability and pass rate, simplifies operation procedures, and ensures drilling stability and easy cleaning of iron filings.
Smart Images
Figure CN224295309U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical equipment technology, specifically a multifunctional square tube drilling tool. Background Technology
[0002] The existing square tube drilling tooling has the following main defects:
[0003] 1. Insufficient clamping stability: Insufficient clamping force and unreasonable clamping method cause the square tube to vibrate during processing, which seriously affects the drilling accuracy and causes excessive dimensional deviation.
[0004] 2. Poor structural design: The tooling structure is poorly designed, making actual operation cumbersome and requiring frequent flipping or replacement of tooling parts. Furthermore, metal filings are difficult to clean effectively, significantly reducing work efficiency. Utility Model Content
[0005] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a multifunctional square tube drilling tool, which improves drilling accuracy, work efficiency, product adaptability and pass rate.
[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a multifunctional square tube drilling fixture, including a worktable, on which two positioning sleeves for inserting square tubes are arranged side by side, and a clamping device is provided on the positioning sleeves; one positioning sleeve is used for drilling holes on the top and bottom surfaces of the square tube, and the other positioning sleeve is used for drilling holes on both sides of the square tube; the positioning sleeve includes two side plates and a top plate set on the two side plates, and the top plate is provided with several through holes for drill bits to pass through; the clamping device includes a mounting plate set on the top plate, and a screw seat is provided on the mounting plate, and a stud is provided in the screw seat, the lower end of the stud extends into the positioning sleeve to clamp the square tube, and the upper end of the stud is provided with a rotating handle.
[0007] A further improvement is that it also includes a positioning device, wherein the side plate and / or top plate are provided with clearance holes for the positioning end of the positioning device to pass through.
[0008] A further improvement is made in that: the positioning device includes a first base, a pressure arm, a first handle, and a first connecting plate; the first base is mounted on the workbench via a pad and is located next to the positioning sleeve; a pressure head is provided at the proximal end of the pressure arm, which extends into the positioning sleeve through a clearance hole in the top plate and presses the square tube; the lower side of the distal end of the pressure arm is hinged to the proximal end of the first base; the proximal end of the first handle is hinged to the upper side of the distal end of the pressure arm; the distal end of the first connecting plate is hinged to the distal end of the first base, and the proximal end of the first connecting plate is hinged to the middle part of the first handle.
[0009] A further improvement is made in that: the positioning device includes a second base, a positioning arm, a positioning head, a second handle, and a second connecting plate; the second base is mounted on the workbench and located next to the positioning sleeve, and a limiting sleeve is provided at the proximal end of the second base; the positioning arm is slidably inserted into the limiting sleeve; the positioning head is connected to the proximal end of the positioning arm via a screw; one side of the lower end of the second handle is hinged to the distal end of the second base; the proximal end of the second connecting plate is hinged to the distal end of the positioning arm, and the distal end of the second connecting plate is hinged to the other side of the lower end of the second handle.
[0010] A further improvement is that: one side of the top plate extends outward and is connected to a sealing plate, and a movable adjusting plate is provided in the space between the sealing plate and the two side plates; an adjusting bolt is provided on the outside of the sealing plate, and the adjusting bolt passes through the sealing plate and is connected to the adjusting plate.
[0011] A further improvement is that several adjusting shims are provided between the adjusting plate and the sealing plate.
[0012] A further improvement is that the top plate is provided with adjustment holes for the adjustment shims to pass through.
[0013] A further improvement is that the adjusting shim includes a strip-shaped body, the lower end of which is provided with a widened portion, and the lower end of the widened portion is provided with a relief groove for avoiding the adjusting bolt.
[0014] A further improvement is that: a positioning hole is provided at the upper end of the strip-shaped main body, and a positioning pin adapted to the positioning hole is provided on the worktable for storing adjustment shims.
[0015] A further improvement is that the top plate is provided with a pin sleeve that matches the through hole, and the worktable is provided with a chip removal hole.
[0016] The beneficial effects of this utility model are as follows:
[0017] 1. In this utility model, all drilling operations are integrated into a single tooling, which makes it easy for operators to complete drilling processing in one go, greatly simplifying the process and eliminating the need for frequent tooling flipping or changing.
[0018] 2. In this utility model, an adjusting shim is added to the head of the square tube. When the actual length of the square tube head does not match the requirements of the drawing (too long or too short), this design avoids product scrapping or rework, and the actual length of the square tube can be accurately adapted by appropriately adding or removing the adjusting shim.
[0019] 3. In this utility model, compared with traditional clamping devices that are prone to loosening and damage during frequent use, this utility model adds a bolt clamping device, which greatly improves the reliability and stability of workpiece clamping.
[0020] 4. In this utility model, a special chip removal hole is added to the bottom of the tooling, which facilitates the natural falling off and smooth cleaning of iron chips, effectively preventing iron chips from being squeezed and accumulated between the product and the tooling, and eliminating the problems of improper product installation and reduced drilling accuracy caused by this. Attached Figure Description
[0021] Figure 1 This is a perspective view of the multifunctional square tube drilling tool in the embodiment of this utility model;
[0022] Figure 2 This is a front view of the multifunctional square tube drilling tool in this embodiment of the utility model;
[0023] Figure 3 This is a side view of the multifunctional square tube drilling tool in an embodiment of this utility model;
[0024] Figure 4 This is a top view of the multifunctional square tube drilling tool in the embodiment of this utility model;
[0025] Figure 5 This is a schematic diagram of the positioning sleeve in an embodiment of the present utility model;
[0026] Figure 6 This is a schematic diagram of the pressing device in an embodiment of the present invention;
[0027] Figure 7 This is a schematic diagram of the structure of the first positioning device in the embodiments of this utility model;
[0028] Figure 8 This is a schematic diagram of the structure of the second positioning device in the embodiments of this utility model;
[0029] Figure 9 This is a schematic diagram of the structure of the adjusting shim in an embodiment of this utility model.
[0030] Figure label:
[0031] 1-Workbench; 11-Positioning pin;
[0032] 2-Positioning sleeve; 201-Side plate; 202-Top plate; 203-Pin sleeve; 204-Allowing hole; 205-Sealing plate; 206-Adjusting plate; 207-Adjusting bolt; 208-Adjusting hole;
[0033] 3-Clamping device; 31-Mounting plate; 32-Stud; 33-Rotating handle; 34-Screw seat;
[0034] 4-Positioning device; 401-Pad; 402-First base; 403-Pressure arm; 404-Pressure head; 405-First handle; 406-First connecting plate; 411-Second base; 412-Limit sleeve; 413-Positioning arm; 414-Positioning head; 415-Screw; 416-Second handle; 417-Second connecting plate;
[0035] 5-Adjusting shim; 51-Strip body; 52-Wide section; 53-Allowing groove; 54-Positioning hole. Detailed Implementation
[0036] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
[0037] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.
[0038] 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. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.
[0039] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0040] See Figures 1-4 As shown, this utility model embodiment provides a multifunctional square tube drilling fixture, including a workbench 1, on which two positioning sleeves 2 for inserting square tubes are arranged side by side, and a clamping device 3 is provided on the positioning sleeves 2; one positioning sleeve 2 is used for drilling holes on the top and bottom surfaces of the square tube, and the other positioning sleeve 2 is used for drilling holes on both sides of the square tube, and the workbench 1 is provided with chip removal holes.
[0041] See Figure 5 As shown, the positioning sleeve 2 includes two side plates 201 and a top plate 202 disposed on the two side plates 201. The top plate 202 has several through holes for drill bits to pass through. Specifically, one side of the top plate 202 extends outward and is connected to a sealing plate 205. A movable adjusting plate 206 is disposed in the space between the sealing plate 205 and the two side plates 201. An adjusting bolt 207 is disposed on the outside of the sealing plate 205, which passes through the sealing plate 205 and connects to the adjusting plate 206. Several adjusting shims 5 are disposed between the adjusting plate 206 and the sealing plate 205. The top plate 202 has adjusting holes 208 for the adjusting shims 5 to pass through. A pin sleeve 203 adapted to the through holes is disposed on the top plate 202.
[0042] See Figure 6 As shown, the clamping device 3 includes a mounting plate 31 set on the top plate 202, and a screw seat 34 is provided on the mounting plate 31. A stud 32 is provided inside the screw seat 34. The lower end of the stud 32 extends into the positioning sleeve 2 to clamp the square tube. A rotating handle 33 is provided at the upper end of the stud 32.
[0043] See Figures 1-3 As shown, the multi-functional square tube drilling fixture also includes a positioning device 4, and the side plate 201 and / or top plate 202 are provided with clearance holes 204 for the positioning end of the positioning device 4 to pass through.
[0044] See Figure 7 As shown, the positioning device 4 includes a first base 402, a pressure arm 403, a first handle 405, and a first connecting plate 406. The first base 402 is mounted on the workbench 1 via a pad 401 and is located next to the positioning sleeve 2. A pressure head 404 is provided at the proximal end of the pressure arm 403. The pressure head 404 extends into the positioning sleeve 2 through the clearance hole 204 of the top plate 202 and presses the square tube. The lower side of the distal end of the pressure arm 403 is hinged to the proximal end of the first base 402. The proximal end of the first handle 405 is hinged to the upper side of the distal end of the pressure arm 403. The distal end of the first connecting plate 406 is hinged to the distal end of the first base 402, and the proximal end of the first connecting plate 406 is hinged to the middle part of the first handle 405.
[0045] See Figure 8As shown, the positioning device 4 includes a second base 411, a positioning arm 413, a positioning head 414, a second handle 416, and a second connecting plate 417. The second base 411 is mounted on the workbench 1 and located next to the positioning sleeve 2, and a limiting sleeve 412 is provided at the proximal end of the second base 411. The positioning arm 413 is slidably inserted into the limiting sleeve 412. The positioning head 414 is connected to the proximal end of the positioning arm 413 by a screw 415. One side of the lower end of the second handle 416 is hinged to the distal end of the second base 411. The proximal end of the second connecting plate 417 is hinged to the distal end of the positioning arm 413, and the distal end of the second connecting plate 417 is hinged to the other side of the lower end of the second handle 416.
[0046] See Figure 9 As shown, the adjusting shim 5 includes a strip-shaped body 51, with a widened portion 52 at the lower end of the strip-shaped body 51, and a relief groove 53 at the lower end of the widened portion 52 for avoiding the adjusting bolt 207. Specifically, a positioning hole 54 is provided at the upper end of the strip-shaped body 51, and a positioning pin 11 adapted to the positioning hole 54 is provided on the worktable 1 for storing the adjusting shim 5.
[0047] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0048] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.
Claims
1. A multifunctional square tube drilling fixture, comprising a worktable (1), characterized in that: The workbench (1) is provided with two positioning sleeves (2) for inserting square tubes, and the positioning sleeves (2) are provided with a clamping device (3); one positioning sleeve (2) is used for drilling holes on the top and bottom surfaces of the square tube, and the other positioning sleeve (2) is used for drilling holes on both sides of the square tube. The positioning sleeve (2) includes two side plates (201) and a top plate (202) provided on the two side plates (201). The top plate (202) is provided with a plurality of through holes for the drill bit to pass through. The clamping device (3) includes a mounting plate (31) on the top plate (202), and a screw seat (34) is provided on the mounting plate (31). A stud (32) is provided inside the screw seat (34). The lower end of the stud (32) extends into the positioning sleeve (2) to clamp the square tube. A rotating handle (33) is provided at the upper end of the stud (32).
2. The multifunctional square tube drilling fixture according to claim 1, characterized in that: It also includes a positioning device (4), wherein the side plate (201) and / or the top plate (202) are provided with clearance holes (204) through which the positioning end of the positioning device (4) passes.
3. The multifunctional square tube drilling fixture according to claim 2, characterized in that: The positioning device (4) includes a first base (402), a pressure arm (403), a first handle (405), and a first connecting plate (406); the first base (402) is mounted on the workbench (1) via a pad (401) and is located next to the positioning sleeve (2); the pressure arm (403) has a pressure head (404) at its proximal end, which extends into the positioning sleeve (2) through the clearance hole (204) of the top plate (202) and presses the square tube; the lower side of the distal end of the pressure arm (403) is hinged to the proximal end of the first base (402); the proximal end of the first handle (405) is hinged to the upper side of the distal end of the pressure arm (403); the distal end of the first connecting plate (406) is hinged to the distal end of the first base (402), and the proximal end of the first connecting plate (406) is hinged to the middle of the first handle (405).
4. The multifunctional square tube drilling fixture according to claim 2, characterized in that: The positioning device (4) includes a second base (411), a positioning arm (413), a positioning head (414), a second handle (416), and a second connecting plate (417). The second base (411) is installed on the workbench (1) and located next to the positioning sleeve (2), and a limiting sleeve (412) is provided at the proximal end of the second base (411). The positioning arm (413) is slidably inserted into the limiting sleeve (412). The positioning head (414) is connected to the proximal end of the positioning arm (413) through a screw (415). One side of the lower end of the second handle (416) is hinged to the distal end of the second base (411). The proximal end of the second connecting plate (417) is hinged to the distal end of the positioning arm (413), and the distal end of the second connecting plate (417) is hinged to the other side of the lower end of the second handle (416).
5. The multifunctional square tube drilling fixture according to claim 1, characterized in that: One side of the top plate (202) extends outward and is connected to a sealing plate (205). A movable adjusting plate (206) is provided in the space between the sealing plate (205) and the two side plates (201). An adjusting bolt (207) is provided on the outside of the sealing plate (205). The adjusting bolt (207) passes through the sealing plate (205) and is connected to the adjusting plate (206).
6. The multifunctional square tube drilling fixture according to claim 5, characterized in that: Several adjusting shims (5) are provided between the adjusting plate (206) and the sealing plate (205).
7. The multifunctional square tube drilling fixture according to claim 6, characterized in that: The top plate (202) is provided with an adjustment hole (208) through which the adjustment shim (5) passes.
8. The multifunctional square tube drilling fixture according to claim 6, characterized in that: The adjusting shim (5) includes a strip-shaped body (51), the lower end of which is provided with a widened portion (52), and the lower end of the widened portion (52) is provided with a relief groove (53) for avoiding the adjusting bolt (207).
9. The multifunctional square tube drilling fixture according to claim 8, characterized in that: The upper end of the strip body (51) is provided with a positioning hole (54), and the workbench (1) is provided with a positioning pin (11) that matches the positioning hole (54) for storing the adjustment shim (5).
10. The multifunctional square tube drilling fixture according to claim 1, characterized in that: The top plate (202) is provided with a pin sleeve (203) that matches the through hole, and the worktable (1) is provided with a chip removal hole.