A CNC tool holder that effectively prevents tool loss
By designing the limit metal plate and protection mechanism in the CNC tool holder, the problem of easy loss during tool replacement is solved, and the safe fixation and fine cutting of the tool are achieved.
Patent Information
- Application Number
- CN202421275722.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The existing CNC tool holder can easily lead to tool loss when replacing tools, causing tool damage and difficulty in fine cutting operations.
A CNC tool holder is designed, including a tool holder and a limit metal plate. By setting up a protective mechanism, threaded bolts and limit connection plate, the position and limit position of the tool are fixed and prevented from loss of the tool.
Effectively prevent tool loss, protect tool safety, avoid damage, realize fine cutting operations, and simplify tool replacement process.
Smart Images

Figure CN222696039U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical direction of numerical control machine tools, and specifically relates to a numerical control tool rest which can effectively prevent the loss of a tool. Background Art
[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, and automatically process parts according to the shape and size required by the drawing.
[0003] The CNC tool holder is the most common auxiliary device for CNC lathes. It enables the CNC lathe to complete multiple or even all processing steps in one clamping of the workpiece, so as to shorten the auxiliary processing time and reduce the errors caused by multiple installations of the workpiece during the processing.
[0004] The existing tool can limit the position of the tool by inserting it into the connecting seat, but the tool limit is not fixed. When replacing the tool, it is easy to cause the tool to be lost, resulting in damage to the tool and inability to perform fine cutting operations. This phenomenon has become a problem that needs to be urgently solved by people in this field. Utility Model Content
[0005] The utility model aims to provide a numerically controlled tool rest which can effectively prevent the loss of tools in the existing device, so as to solve the problems raised in the above-mentioned background technology.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a CNC tool holder that effectively prevents the loss of a tool, comprising a tool holder and a limiting metal plate, wherein the four corners of the tool holder are movably connected with two threaded bolts, the top surface of the tool holder is movably connected with two hexagonal nuts, the top surface of the tool holder is movably connected with two connecting pieces, the edge of the tool holder is threadedly connected with a protective mechanism, the internal rear end of the protective mechanism is threadedly connected with a cutting tool, and the tool holder is movably connected to the inner wall surface of the limiting metal plate.
[0007] The protection mechanism comprises connecting units of a main body unit, and the connecting units of the main body unit are arranged in sequence from inside to outside.
[0008] The utility model further describes that the main unit includes a threaded rod, a protective shell, a hexagonal nut, a limiting connecting plate and a threaded bolt. The threaded rod is located at the upper end of the main unit. The threaded rod is fixedly connected to the top surface of the protective shell. The protective shell is threadedly connected to the threaded end surface of the threaded bolt. The protective shell is threadedly connected to the upper end of the limiting connecting plate. The threaded rod is threadedly connected to the inner threaded surface of the hexagonal nut.
[0009] The utility model further describes that the connecting unit includes a metal fixing plate, a metal plug and a connecting sleeve, the metal fixing plate is located at the upper end of the connecting unit, the metal fixing plate is fixedly connected to the top surface of the connecting sleeve, and the connecting sleeve is movably connected to the surface of the metal plug.
[0010] The utility model further illustrates that the cutting tool includes a handle, a metal insert plate, a connecting piece 1, a threaded rod 2 and a blade, the handle is located at the upper end of the cutting tool, the handle is threadedly connected to the top surface of the connecting piece 1, the connecting piece 1 is threadedly connected to the threaded end surface of the threaded rod 2, the connecting piece 1 is threadedly connected to the surface of the metal insert plate, and the connecting piece 1 is threadedly connected to the surface of the blade.
[0011] The utility model further illustrates that the knife handle is movably connected to the inner wall surface of the connecting sleeve, the knife handle is movably connected to the central inner wall surface of the metal fixing plate, and the knife handle is movably connected to the surface of the metal plug. The upper end of the knife handle is held and pushed upward to allow the knife handle to be inserted into the interior of the connecting sleeve. Then, one end of the metal plug is held and pushed to allow the metal plug to be inserted into the connecting sleeve and the upper end of the knife handle.
[0012] The utility model further illustrates that the protective shell is threadedly connected to the threaded end surface of threaded bolt one, the protective shell is threadedly connected to the upper end of the limiting connecting plate, and the protective shell is fixedly connected to the top surface of the metal fixing plate. By rotating threaded bolt one, threaded bolt one can threadably fix the protective shell and the limiting connecting plate, thereby protecting the position of the blade.
[0013] The utility model further illustrates that the metal insert plate is movably connected to the top surface of the blade, the blade is movably connected to the threaded end surface of the threaded rod two, the blade is movably connected to the threaded end surface of the threaded rod two, the bottom surface of the blade is held, the blade is pushed upward, the blade is inserted into the inner wall surface of the connector one, and then the rear end of the threaded rod two is held.
[0014] The utility model further illustrates that the protective shell is movably connected to the upper end of the knife seat, the knife seat is movably connected to the bottom end surface of the hexagonal nut, the knife seat is movably connected to the threaded end surface of the threaded rod, and the knife seat is movably connected to the bottom end surface of the limiting connecting plate. One end of the protective shell is held and the protective shell is pushed to move inward so that the protective shell is inserted into the upper end of the knife seat, and then the hexagonal nut is rotated. The hexagonal nut rotates on the threaded end surface of the threaded rod, thereby being able to thread the position of the protective shell to be fixed.
[0015] The utility model further describes that the threaded bolt 2 is threadedly connected to the inner wall surface of the connecting piece 2, and the connecting piece 2 is movably connected to the bottom end surface of the hexagonal nut 2. By rotating the hexagonal nut 2, the hexagonal nut 2 rotates on the threaded end surface of the threaded bolt 2, thereby being able to threadably fix the protective shell and the knife seat.
[0016] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0017] (1) The utility model can limit the position of the cutting tool by providing a limit connection plate, a threaded bolt and a threaded rod, thereby protecting the safety of the cutting tool, avoiding damage to the cutting tool, and performing fine cutting operations on objects.
[0018] (2) The utility model, by providing a metal plug plate, a connecting piece 1 and a threaded rod 2, can limit the position of the blade, facilitate replacement of the blade, and protect the safety of the blade, making blade replacement more convenient and quick, and increasing the use time of the blade. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] 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:
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This utility model Figure 2 A local enlarged schematic diagram of the structure at A;
[0022] Figure 3 It is a three-dimensional schematic diagram of the protection mechanism of the utility model;
[0023] Figure 4 This utility model Figure 3 A local enlarged schematic diagram of the structure at B in FIG.
[0024] Figure 5 It is a schematic diagram of the internal structure of the protective shell of the utility model;
[0025] Figure 6 It is a three-dimensional schematic diagram of the cutting tool of the utility model.
[0026] In the figure: 1. protection mechanism; 101. threaded rod 1; 102. protection shell; 103. hexagonal nut 1; 104. limit connecting plate; 105. threaded bolt 1; 106. metal fixing plate; 107. metal latch; 108. connecting sleeve; 2. cutting tool; 201. tool handle; 202. metal latch; 203. connecting piece 1; 204. threaded rod 2; 205. blade; 3. tool holder; 4. limit metal plate; 5. threaded bolt 2; 6. hexagonal nut 2; 7. connecting piece 2. DETAILED DESCRIPTION
[0027] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-6 , the utility model provides a technical solution:
[0029] A numerically controlled tool holder which effectively prevents the loss of a tool comprises a tool holder 3 and a limiting metal plate 4, wherein the four corners of the tool holder 3 are movably connected with threaded bolts 5, the top surface of the tool holder 3 is movably connected with a hexagonal nut 6, the top surface of the tool holder 3 is movably connected with a connecting piece 7, the edge of the tool holder 3 is threadedly connected with a protective mechanism 1, the inner rear end of the protective mechanism 1 is threadedly connected with a cutting tool 2, and the tool holder 3 is movably connected to the inner wall surface of the limiting metal plate 4.
[0030] The protection mechanism 1 comprises connecting units of a main body unit, and the connecting units of the main body unit are arranged in sequence from the inside to the outside.
[0031] The main unit includes a threaded rod 101, a protective shell 102, a hexagonal nut 103, a limiting connecting plate 104 and a threaded bolt 105. The threaded rod 101 is located at the upper end of the main unit. The threaded rod 101 is fixedly connected to the top surface of the protective shell 102. The threaded bolt 25 is threadedly connected to the inner wall surface of the connecting member 27. The connecting member 27 is movably connected to the bottom surface of the hexagonal nut 26. The hexagonal nut 26 is rotated, and the hexagonal nut 26 rotates on the threaded end surface of the threaded bolt 25, so that the protective shell 102 and the knife seat 3 can be threadedly fixed. The protective shell 102 is threadedly connected to the threaded end surface of the threaded bolt 105. The protective shell 102 is threadedly connected to the limiting The upper end of the position connecting plate 104 is connected to the threaded rod 101, and the threaded surface of the hexagonal nut 103 is threadedly connected to the inner thread surface of the hexagonal nut 103. The protective shell 102 is movably connected to the upper end of the tool holder 3. The tool holder 3 is movably connected to the bottom surface of the hexagonal nut 103. The tool holder 3 is movably connected to the threaded end surface of the threaded rod 101. The tool holder 3 is movably connected to the bottom surface of the limiting connecting plate 104. Hold one end of the protective shell 102 and push the protective shell 102 to move inward so that the protective shell 102 is inserted into the upper end of the tool holder 3. Then rotate the hexagonal nut 103. The hexagonal nut 103 rotates on the threaded end surface of the threaded rod 101, so that the position of the protective shell 102 can be threadedly fixed.
[0032] The connecting unit includes a metal fixing plate 106, a metal latch 107 and a connecting sleeve 108. The metal fixing plate 106 is located at the upper end of the connecting unit. The protective shell 102 is threadedly connected to the threaded end surface of the threaded bolt 105. The protective shell 102 is threadedly connected to the upper end of the limiting connecting plate 104. The protective shell 102 is fixedly connected to the top surface of the metal fixing plate 106. By rotating the threaded bolt 105, the threaded bolt 105 can threadably fix the protective shell 102 and the limiting connecting plate 104, thereby protecting the position of the blade 205. The metal fixing plate 106 is fixedly connected to the top surface of the connecting sleeve 108, and the connecting sleeve 108 is movably connected to the surface of the metal latch 107.
[0033] The cutting tool 2 includes a handle 201, a metal plug plate 202, a connector 1 203, a threaded rod 204 and a blade 205. The handle 201 is located at the upper end of the cutting tool 2. The handle 201 is movably connected to the inner wall surface of the connecting sleeve 108. The handle 201 is movably connected to the central inner wall surface of the metal fixing plate 106. The handle 201 is movably connected to the surface of the metal latch 107. Hold the upper end of the handle 201 and push the handle 201 upward to insert the handle 201 into the inside of the connecting sleeve 108. Hold one end of the metal latch 107 and push the metal latch 107 to insert the metal latch 107 into the connecting sleeve 108 and the upper end of the handle 201. 01 is threadedly connected to the top surface of connector 1 203, connector 1 203 is threadedly connected to the threaded end surface of threaded rod 204, connector 1 203 is threadedly connected to the surface of metal insert plate 202, metal insert plate 202 is movably connected to the top surface of blade 205, blade 205 is movably connected to the threaded end surface of threaded rod 204, blade 205 is movably connected to the threaded end surface of threaded rod 204, hold the bottom end surface of blade 205, push blade 205 upward, let blade 205 be inserted into the inner wall surface of connector 1 203, then hold the rear end of threaded rod 204, connector 1 203 is threadedly connected to the surface of blade 205.
[0034] When in use, hold the bottom surface of the connector 203 and push the connector 203 upwards to initially connect the top surface of the connector 203 and the bottom surface of the handle 201, then hold one end of the metal insert plate 202 and push the metal insert plate 202 forwards to insert the metal insert plate 202 into the upper end of the connector 203, then turn the screw, the screw can thread the handle 201, the connector 203 and the metal insert plate 202, so that the handle 201 and the connector 203 can be threadedly fixed, then hold the bottom surface of the blade 205 and push the blade 205 upwards to insert the blade 205 into the inner wall surface of the connector 203, then hold the rear end of the threaded rod 204 and push the screw The threaded rod 204 moves forward, allowing the threaded rod 204 to be inserted into the blade 205 and the connecting piece 1 203, and then the nut is turned to thread the connecting piece 1 203 and the blade 205. At this time, the upper end of the handle 201 is held, and the handle 201 is pushed upward to allow the handle 201 to be inserted into the connecting sleeve 108. While holding one end of the metal latch 107, the metal latch 107 is pushed to allow the metal latch 107 to be inserted into the connecting sleeve 108 and the upper end of the handle 201, so that the position of the handle 201 can be plugged and fixed. Then, the bottom end surface of the blade 205 is held, and the blade 205 is pushed upward to allow the blade 205 to push the connecting piece 1 203 upward, so that the connecting piece 1 203 pushes the metal fixing plate 108 upward. 06 moves upward, so that the top surface of the metal fixing plate 106 and the inner top surface of the protective shell 102 are threadedly fixed, then the bottom surface of the limiting connecting plate 104 is held, and the limiting connecting plate 104 is pushed upward, so that the limiting connecting plate 104 is inserted into the lower end of the protective shell 102, and finally the threaded bolt 105 is turned. The threaded bolt 105 can thread the protective shell 102 and the limiting connecting plate 104, so that the position of the blade 205 can be protected, and then one end of the protective shell 102 is held, and the protective shell 102 is pushed to move inward, so that the protective shell 102 is inserted into the upper end of the knife seat 3, and the protective shell 102 drives the threaded rod 101 to move inside, so that the threaded rod 101 is inserted into the upper end of the tool seat 3, and then the hexagonal nut 103 is rotated. The hexagonal nut 103 rotates on the threaded end surface of the threaded rod 101, so that the position of the protective shell 102 can be threadedly fixed. Then, the outer surface of the limiting metal plate 4 is held, and the limiting metal plate 4 is pushed to move inward. The limiting metal plate 4 pushes the connecting piece 2 7 to move inward. Finally, the bottom end surface of the threaded bolt 2 5 is held, and the threaded bolt 2 5 is pushed upward, so that the threaded bolt 2 5 is inserted into the upper end of the tool seat 3, so that the threaded bolt 2 5 is inserted into the interior of the connecting piece 2 7. Finally, the hexagonal nut 2 6 is rotated. The hexagonal nut 2 6 rotates on the threaded end surface of the threaded bolt 2 5, so that the protective shell 102 and the tool seat 3 can be threadedly fixed.
[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0036] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A CNC tool holder that effectively prevents tool loss, comprising a tool holder (3) and a limiting metal plate (4), characterized in that: The four corners of the knife seat (3) are connected with two threaded bolts (5), the top surface of the knife seat (3) is connected with two hexagonal nuts (6), the top surface of the knife seat (3) is connected with two connecting pieces (7), the edge of the knife seat (3) is connected with a protective mechanism (1), the inner rear end of the protective mechanism (1) is connected with a cutting tool (2), and the knife seat (3) is connected to the inner wall surface of the limiting metal plate (4); The protection mechanism (1) comprises connecting units of a main body unit, and the connecting units of the main body unit are arranged in sequence from the inside to the outside; The main body unit comprises a threaded rod (101), a protective shell (102), a hexagonal nut (103), a limiting connecting plate (104) and a threaded bolt (105), wherein the threaded rod (101) is located at the upper end of the main body unit, the threaded rod (101) is connected to the top surface of the protective shell (102), the protective shell (102) is connected to the threaded end surface of the threaded bolt (105), the protective shell (102) is connected to the upper end of the limiting connecting plate (104), and the threaded rod (101) is connected to the internal thread surface of the hexagonal nut (103); The connection unit comprises a metal fixing plate (106), a metal latch (107) and a connection sleeve (108); the metal fixing plate (106) is located at the upper end of the connection unit, the metal fixing plate (106) is connected to the top surface of the connection sleeve (108), and the connection sleeve (108) is connected to the surface of the metal latch (107); The protective shell (102) is connected to the upper end of the knife seat (3), the knife seat (3) is connected to the bottom end surface of the hexagonal nut (103), the knife seat (3) is connected to the threaded end surface of the threaded rod (101), and the knife seat (3) is connected to the bottom end surface of the limiting connecting plate (104).
2. A CNC tool rest for effectively preventing tool loss according to claim 1, characterized in that: The cutting tool (2) comprises a handle (201), a metal insert plate (202), a first connecting piece (203), a second threaded rod (204) and a blade (205); the handle (201) is located at the upper end of the cutting tool (2); the handle (201) is connected to the top surface of the first connecting piece (203); the first connecting piece (203) is connected to the threaded end surface of the second threaded rod (204); the first connecting piece (203) is connected to the surface of the metal insert plate (202); and the first connecting piece (203) is connected to the surface of the blade (205).
3. A CNC tool rest for effectively preventing tool loss according to claim 2, characterized in that: The knife handle (201) is connected to the inner wall surface of the connecting sleeve (108), the knife handle (201) is connected to the central inner wall surface of the metal fixing plate (106), and the knife handle (201) is connected to the surface of the metal latch (107).
4. The CNC tool rest for effectively preventing tool loss according to claim 3 is characterized in that: The protective shell (102) is connected to the threaded end surface of the threaded bolt (105), the protective shell (102) is connected to the upper end of the limiting connecting plate (104), and the protective shell (102) is connected to the top end surface of the metal fixing plate (106).
5. A CNC tool rest for effectively preventing tool loss according to claim 4, characterized in that: The metal insert plate (202) is connected to the top end surface of the blade (205), the blade (205) is connected to the threaded end surface of the second threaded rod (204), and the blade (205) is connected to the threaded end surface of the second threaded rod (204).
6. The CNC tool rest for effectively preventing tool loss according to claim 5, characterized in that: The second threaded bolt (5) is connected to the inner wall surface of the second connecting piece (7), and the second connecting piece (7) is connected to the bottom end surface of the second hexagonal nut (6).