Numerical control machining tool positioning assembly
By designing a combination of positioning screw, press rod, movable sleeve and limiting cylinder in CNC machining, the problem of poor positioning of the screw due to loose vibration is solved, and the tool is stable and fixed.
Patent Information
- Application Number
- CN202421320029.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-11
AI Technical Summary
In CNC machining, screws are easily loosened and fall off due to vibration when used for tool positioning, resulting in poor positioning effect.
A CNC machining tool positioning assembly is designed. By setting a positioning screw, a press rod, a movable sleeve and a limiting cylinder, the tool is positioned using the positioning screw, and the limiting cylinder is restricted to prevent loosening.
It effectively prevents the positioning screw from loosening during the operation of CNC equipment, ensures the stable positioning of the tool and improves the positioning effect.
Smart Images

Figure CN222754894U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of tool positioning components, in particular to a numerical control machining tool positioning component. Background Art
[0002] CNC machining refers to a process method for processing parts on CNC machine tools. The process procedures of CNC machine tool processing are generally consistent with those of traditional machine tool processing, but there have also been obvious changes; it is a mechanical processing method that uses digital information to control the displacement of parts and tools.
[0003] Screws are rarely used for tool positioning in CNC machining. The main reason is that screws are easily loosened and fall off due to vibration when the CNC equipment is working. If this problem is solved, the positioning effect of tool positioning using screws is excellent. Therefore, a CNC machining tool positioning component is proposed. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a numerical control machining tool positioning component.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] The utility model discloses a CNC machining tool positioning component, comprising a first receiving rod with a thread on the outside, a second receiving rod is provided on the right side of the first receiving rod, the external thread of the second receiving rod is connected with a positioning screw which penetrates into the interior of the second receiving rod, a pressure rod is fixedly provided at one end of the positioning screw which is located inside the second receiving rod, the external thread of the first receiving rod is connected with a movable sleeve, and the external part of the movable sleeve is fixedly provided with a limiting cylinder which is sleeved on the outside of the second receiving rod.
[0007] The tool is positioned by a positioning screw, and the positioning screw is restricted by a limiting cylinder so that it cannot be loosened outwards.
[0008] As a preferred technical solution of the present utility model, the diameter of the first receiving rod is greater than the diameter of the second receiving rod, and the first receiving rod and the second receiving rod are an integrally formed structure.
[0009] As a preferred technical solution of the utility model, a slot is provided on the right side of the second receiving rod, and a positioning slot provided in the second receiving rod is arranged on the left side of the inner wall of the slot.
[0010] As a preferred technical solution of the utility model, the number of the positioning screws is four, which are distributed in a ring shape at equal intervals outside the second receiving rod, and one end of which extends to the inside of the slot.
[0011] As a preferred technical solution of the utility model, a limiting screw that penetrates into the positioning groove is threadedly connected to the outside of the second connecting rod and located on the left side of the positioning screw, and a push rod is fixedly provided at one end of the limiting screw located inside the positioning groove.
[0012] As a preferred technical solution of the utility model, the number of the limiting screws is four, and they are distributed outside the second receiving rod in a ring shape with equal intervals.
[0013] As a preferred technical solution of the utility model, a rotating handle is fixedly provided on the outside of the movable sleeve, and the rotating handle is located on the left side of the limiting cylinder.
[0014] As a preferred technical solution of the utility model, the ends of the positioning screw and the limiting screw away from the slot are located on the same arc surface as the outer wall surface of the second receiving rod, and the outer wall of the second receiving rod is in contact with the inner wall of the limiting cylinder.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0016] The utility model provides a positioning screw, a pressure rod, a movable sleeve and a limiting cylinder. When positioning the tool, the tool is inserted into the slot, the auxiliary handle is inserted into the positioning slot, the positioning screw is then turned to insert the pressure rod into the first positioning slot on the tool, the limiting screw is turned to insert the push rod into the second positioning slot on the auxiliary handle, and the movable sleeve is rotated to move right, so that the limiting cylinder is sleeved on the outside of the second receiving rod to limit the positioning screw and the limiting screw. The positioning screw and the limiting screw cannot move outward and loosen, and the vibration generated when the numerical control equipment is working will not affect the stable positioning of the tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;
[0020] Figure 3 It is a front view of the utility model;
[0021] In the figure: 1. first supporting rod; 2. second supporting rod; 21. slot; 22. positioning slot; 3. positioning screw; 4. pressure rod; 5. movable sleeve; 51. rotating handle; 6. limiting cylinder; 7. limiting screw; 8. push rod; 9. tool; 91. first positioning slot; 10. auxiliary handle. DETAILED DESCRIPTION
[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0023] In the drawings, the same reference numerals all refer to the same components.
[0024] Example 1
[0025] In this embodiment, an auxiliary handle 10 with a square vertical cross-section is fixedly provided on the left side of the tool 9. The front, back, top and bottom of the auxiliary handle 10 are all provided with second positioning grooves, and the front, back, top and bottom of the tool 9 are all provided with first positioning grooves 91.
[0026] like Figure 1-3 As shown, the utility model provides a CNC machining tool positioning assembly, including a first receiving rod 1 with a thread on the outside, a second receiving rod 2 is arranged on the right side of the first receiving rod 1, the diameter of the first receiving rod 1 is larger than the diameter of the second receiving rod 2, the first receiving rod 1 and the second receiving rod 2 are an integrally formed structure, a slot 21 is arranged on the right side of the second receiving rod 2, a positioning slot 22 arranged in the second receiving rod 2 is arranged on the left side of the inner wall of the slot 21, the external thread of the second receiving rod 2 is connected with a positioning screw 3 penetrating into the inside of the second receiving rod 2, the number of the positioning screws 3 is four, which are distributed in an annular shape at equal intervals on the outside of the second receiving rod 2, one end of which extends to the inside of the slot 21, a pressure rod 4 is fixedly arranged on one end of the positioning screw 3 located inside the second receiving rod 2, the external thread of the first receiving rod 1 is connected with a movable sleeve 5, the outside of the movable sleeve 5 is fixedly provided with a limiting cylinder 6 sleeved on the outside of the second receiving rod 2, the outside of the movable sleeve 5 is fixedly provided with a rotating handle 51, and the rotating handle 51 is located on the left side of the limiting cylinder 6.
[0027] It should be noted that the tool 9 is positioned by the positioning screw 3 , and the positioning screw 3 is restricted by the limiting cylinder 6 so that it cannot be loosened outward.
[0028] In this embodiment, a limiting screw 7 that penetrates into the interior of the positioning groove 22 is threadedly connected to the outside of the second connecting rod 2 and located on the left side of the positioning screw 3. A push rod 8 is fixedly provided at one end of the limiting screw 7 located inside the positioning groove 22. There are four limiting screws 7, which are distributed in a ring-shaped manner with equal intervals on the outside of the second connecting rod 2.
[0029] In this embodiment, the ends of the positioning screw 3 and the limiting screw 7 away from the slot 21 are located on the same arc surface as the outer wall surface of the second receiving rod 2 , and the outer wall of the second receiving rod 2 is in contact with the inner wall of the limiting cylinder 6 .
[0030] In summary, the utility model sets a positioning screw 3, a pressure rod 4, a movable sleeve 5 and a limiting cylinder 6. When positioning the tool 9, the tool 9 is inserted into the slot 21, the auxiliary handle 10 is inserted into the positioning groove 22, and then the positioning screw 3 is turned to insert the pressure rod 4 into the first positioning groove 91 on the tool 9, and then the limiting screw 7 is turned to insert the push rod 8 into the second positioning groove on the auxiliary handle 10, and then the movable sleeve 5 is rotated to move right, so that the limiting cylinder 6 is sleeved on the outside of the second supporting rod 2 to limit the positioning screw 3 and the limiting screw 7. The positioning screw 3 and the limiting screw 7 cannot move outward and loosen, and the vibration generated when the CNC equipment is working will not affect the positioning and stability of the tool 9.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A CNC machining tool positioning assembly, characterized in that: It comprises a first receiving rod (1) with a threaded exterior, a second receiving rod (2) being provided on the right side of the first receiving rod (1), a positioning screw (3) penetrating into the interior of the second receiving rod (2) being connected to the exterior thread of the second receiving rod (2), and a pressure rod (4) being fixedly provided at one end of the positioning screw (3) located inside the second receiving rod (2); The first connecting rod (1) is externally threadedly connected to a movable sleeve (5), and the movable sleeve (5) is externally fixedly provided with a limiting cylinder (6) sleeved on the outside of the second connecting rod (2).
2. A CNC machining tool positioning assembly according to claim 1, characterized in that: The diameter of the first supporting rod (1) is greater than the diameter of the second supporting rod (2), and the first supporting rod (1) and the second supporting rod (2) are an integrally formed structure.
3. A CNC machining tool positioning assembly according to claim 1, characterized in that: A slot (21) is provided on the right side of the second receiving rod (2), and a positioning groove (22) provided in the second receiving rod (2) is arranged on the left side of the inner wall of the slot (21).
4. A CNC machining tool positioning assembly according to claim 3, characterized in that: The number of the positioning screws (3) is four, which are distributed in a ring shape at equal intervals outside the second receiving rod (2), and one end of each of the positioning screws (3) extends to the inside of the slot (21).
5. The CNC machining tool positioning assembly according to claim 3, characterized in that: A limiting screw (7) is threadedly connected to the outside of the second receiving rod (2) and is located on the left side of the positioning screw (3) and penetrates into the interior of the positioning groove (22). A push rod (8) is fixedly provided at one end of the limiting screw (7) located inside the positioning groove (22).
6. A CNC machining tool positioning assembly according to claim 5, characterized in that: The number of the limiting screws (7) is four, and they are distributed in a ring shape at equal intervals outside the second receiving rod (2).
7. A CNC machining tool positioning assembly according to claim 1, characterized in that: A rotating handle (51) is fixedly provided on the outside of the movable sleeve (5), and the rotating handle (51) is located on the left side of the limiting cylinder (6).
8. A CNC machining tool positioning assembly according to claim 6, characterized in that: The ends of the positioning screw (3) and the limiting screw (7) away from the slot (21) are located on the same arc surface as the outer wall surface of the second receiving rod (2), and the outer wall of the second receiving rod (2) is in contact with the inner wall of the limiting cylinder (6).