CNC (Computer Numerical Control) machining device capable of conveniently replacing cutter
By introducing a positioning and disassembly mechanism into the CNC machining device, the problem of inconvenient tool replacement is solved, enabling rapid and stable tool installation and disassembly, and improving operating efficiency.
Patent Information
- Application Number
- CN202520586828.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Existing CNC machining equipment does not allow for quick and efficient tool changes, requiring manual assistance, and the bolted connections result in low disassembly efficiency.
The tool employs a positioning mechanism and a disassembly mechanism, including components such as a positioning bracket, a positioning slot, a disassembly connector, a spiral guide rod, a guide gear, and an anti-disengagement rack. These components are connected by bolts to achieve stable installation and rapid disassembly of the tool.
It enables rapid and stable tool changing, avoids tool falling off during rotational tool changing and operation, and improves operating efficiency.
Smart Images

Figure CN223947416U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to CNC numerical control processing technical field, concretely to a kind of CNC numerical control processing device of tool convenient to replace. BACKGROUND
[0002] CNC numerical control processing refers to the technique of using computer digital control machine tool to carry out precision machining, its essence is still through data lathe control cutter to mill workpiece for metal, through replacing different cutters to realize the required machining operation, different kinds of cutters are needed when machining the same workpiece, so the cutter needs to be replaced frequently.
[0003] The application with disclosure number CN118081701A discloses a tool changing method and device of intelligent tool vehicle, the cutter is taken out from the reader station and placed in the cutter station of the machine tool corresponding to the machine tool cutter station number of the required cutter data of the pen through the system APP indication, which can solve the tool changing process problem and cutter management problem of the aforementioned tool vehicle.
[0004] But the above-mentioned intelligent tool vehicle and tool changing method based on CNC data still have the following problems in actual use: although the tool vehicle is replaced by indicating through APP, the tool vehicle carries the cutter, and only a single cutter can be installed during use, which cannot be quickly and efficiently disassembled during the process of replacing the cutter, and manual assistance is required, and the existing tool changing disc and cutter are mostly connected by bolt fastening, which affects the operation efficiency during disassembly.
[0005] Therefore, we propose a CNC numerical control processing device for conveniently replacing cutters to solve the problems raised in the above. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of CNC numerical control processing device of tool convenient to replace, to solve the problem that the tool vehicle is replaced by indicating through APP, the tool vehicle carries the cutter, and only a single cutter can be installed during use, which cannot be quickly and efficiently disassembled during the process of replacing the cutter, and manual assistance is required, and the existing tool changing disc and cutter are mostly connected by bolt fastening, which affects the operation efficiency during disassembly.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of CNC numerical control processing device of tool convenient to replace, including numerical control electric box, and cutter disc body installed on the bottom end of numerical control electric box output shaft by bolt;Further comprising:
[0008] The inside of the cutter head body is provided with a positioning mechanism, and the positioning mechanism comprises a positioning support and a positioning slot for mounting the positioning support;
[0009] The outer end of the cutter head body is provided with a dismounting mechanism, and the dismounting mechanism comprises a dismounting connector, and the end of the dismounting connector away from the cutter head body is provided with a positioning sliding groove for mounting the cutter body.
[0010] Preferably, the positioning mechanism comprises a supporting bottom plate, and the top surface of the supporting bottom plate is provided with an upper and lower distribution of a fastening positioning ring, and the fastening positioning ring is mounted on the upper and lower sides of the outer wall of the cutter head body through bolts.
[0011] Preferably, the positioning slot of the positioning mechanism is provided at an equal angle in the inside of the cutter head body, and the supporting bottom plate of the bottom surface of the cutter head body is connected to the bottom end of the numerical control box output shaft through bolts, and the positioning support is connected between the supporting bottom plate and the fastening positioning ring through bolts, to ensure the stability during the rotation of the tool changing process.
[0012] Preferably, the end of the dismounting mechanism close to the cutter head body is fixedly connected to the outer end of the positioning support, and the bottom surface of the dismounting connector is slidingly provided with a contact arc plate, and the contact arc plate and the positioning sliding groove are concentric structures.
[0013] Preferably, the dismounting mechanism comprises a spiral guide rod, and the bottom end of the spiral guide rod is fixedly provided on the top surface of the contact arc plate on the left and right sides, and the upper end of the spiral guide rod is screw-connected with a rotating sleeve, and the rotating sleeve is rotatably provided in the inside of the dismounting connector on the left and right sides.
[0014] Preferably, the dismounting mechanism comprises a guide gear, and the guide gear is fixedly installed in the middle of the rotating sleeve in the inside of the dismounting connector, and the left and right sides in the inside of the dismounting connector are slidingly provided with anti-dropping teeth strips for limiting the cutter body, and the anti-dropping teeth strips and the guide gear are meshingly connected.
[0015] Preferably, the dismounting mechanism comprises a contact sliding block, and the contact sliding block is elastically slidingly provided on the side away from the positioning sliding groove in the inside of the dismounting connector, and one end of the contact sliding block slidingly penetrates into the inside of the positioning sliding groove, and the end of the contact sliding block in the inside of the positioning sliding groove is clamped to the top end of the cutter body for limiting.
[0016] Compared with the prior art, the CNC numerical control machining device for conveniently replacing tools has the advantages that the cutter head body is mounted to the positioning support, the dismounting connector and the cutter body are mounted by the positioning support, the anti-dropping teeth strips and the contact sliding block are limited to the cutter body, and the cutter is prevented from falling off during the rotation operation and the tool changing.
[0017] 1. The positioning slot of the cutter disc body is provided for the installation of the positioning support, the positioning ring is installed on the upper and lower sides of the cutter disc body to ensure the stability and firmness of the positioning support, the supporting bottom plate is installed on the bottom surface of the cutter disc body, and the supporting bottom plate is connected with the output shaft, so that the cutter disc body, the positioning support connected with the outside and the dismounting connector 5 can rotate to replace the cutter.
[0018] 2. The dismounting connector is installed on the outer end of the positioning support through bolts, the cutter body is inserted into the positioning sliding groove, the abutting arc plate and the spiral guide rod are lowered during the descending process, the rotating sleeve connected in a spiral manner rotates, the guide gear and the anti-disengagement rack are engaged, the anti-disengagement rack is synchronously slid to the outside of the dismounting connector, and the cutter body installed in the dismounting connector is limited.
[0019] The abutting sliding block connected in an elastic manner in the sliding dismounting connector is not affected during the installation of the cutter body, and after the installation of the cutter body is completed, the abutting sliding block connected in an elastic manner is reset, so that one end of the abutting sliding block located in the positioning sliding groove is inserted into the top end of the cutter body, and the cutter body is prevented from falling off during the rotation and replacement of the cutter and the working process. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;
[0021] Figure 2 It is a three-dimensional structure schematic view of the cutter disc body of the utility model;
[0022] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is an enlarged structure schematic view of A in the utility model;
[0023] Figure 4 It is an explosion structure schematic view of the positioning mechanism of the utility model;
[0024] Figure 5 It is a cutter body installation structure schematic view of the utility model;
[0025] Figure 6 It is an anti-disengagement rack and guide gear engagement structure schematic view of the utility model.
[0026] In the drawing: 1, numerical control electric box; 2, cutter disc body; 3, positioning support; 4, positioning slot; 5, dismounting connector; 6, cutter body; 7, positioning sliding groove; 8, supporting bottom plate; 9, positioning ring; 10, spiral guide rod; 11, guide gear; 12, anti-disengagement rack; 13, abutting arc plate; 14, rotating sleeve; 15, abutting sliding block. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0028] Please refer to Figures 1-6 The present application provides the following technical solutions:
[0029] Embodiment 1: In order to solve the problems existing in the existing CNC during tool changing, therefore, the CNC machining device for conveniently changing tools provided by the embodiment comprises a numerical control electric box 1 and a tool disc body 2 installed on the bottom end of the output shaft of the numerical control electric box 1 through bolts; the inside of the tool disc body 2 is provided with a positioning mechanism, the positioning mechanism comprises a positioning support 3, and the positioning mechanism comprises a positioning slot 4 for installing the positioning support 3; the positioning mechanism comprises a supporting bottom plate 8, the top surface of the supporting bottom plate 8 is provided with a clamping positioning ring 9 distributed in an up-down manner, and the clamping positioning ring 9 is installed on the upper and lower sides of the outer wall of the tool disc body 2 through bolts.
[0030] The positioning slot 4 comprised by the positioning mechanism is opened at an equal angle in the inside of the tool disc body 2, the supporting bottom plate 8 on the bottom surface of the tool disc body 2 is connected to the bottom end of the output shaft of the numerical control electric box 1 through bolts, and the positioning support 3 is connected to the supporting bottom plate 8 and the clamping positioning ring 9 through bolts, so as to ensure the stability during the rotating tool changing process.
[0031] As shown in Figures 1-3 , Figure 4 , the numerical control electric box 1 is installed with the positioning mechanism at the bottom to install the tool body 6, the positioning mechanism is installed with the positioning slot 4 opened outside the tool disc body 2 to install the required positioning support 3 through bolts, the clamping positioning ring 9 is installed on the upper and lower sides of the tool disc body 2 through bolts, the stability and firmness of the positioning support 3 during installation and disassembly of the tool disc body 2 are ensured, the supporting bottom plate 8 is installed in the middle of the bottom surface of the tool disc body 2, and the supporting bottom plate 8 is connected to the bottom end of the output shaft of the numerical control electric box 1 through bolts, so that the tool disc body 2, the positioning support 3 connected to the outside and the disassembly connector 5 can follow the rotation to perform the tool changing operation.
[0032] In order to solve the existing problems in the process of changing the tool of CNC, the embodiment is realized through the following technical scheme, the outer end of the cutter body 2 is provided with a dismounting mechanism, and the dismounting mechanism comprises a dismounting connector 5, and the end of the dismounting connector 5 away from the cutter body 2 is provided with a positioning sliding groove 7 for installing the tool body 6; the end of the dismounting connector 5 close to the cutter body 2 is fixedly connected to the outer end of the positioning support 3, and the bottom surface of the dismounting connector 5 is slidably provided with a resisting arc plate 13, and the resisting arc plate 13 and the positioning sliding groove 7 are concentric.
[0033] The dismounting mechanism comprises a spiral guide rod 10, the bottom end of the spiral guide rod 10 is fixedly arranged on the top surface of the resisting arc plate 13, the upper end of the spiral guide rod 10 is screw-connected with a rotating sleeve 14, and the rotating sleeve 14 is rotatably arranged on the inside of the dismounting connector 5.
[0034] The dismounting mechanism comprises a guide gear 11, the guide gear 11 is fixedly installed in the middle of the rotating sleeve 14 inside the dismounting connector 5, the inside of the dismounting connector 5 is slidably provided with an anti-dropping rack 12 on the left and right sides for limiting the installation of the tool body 6, and the anti-dropping rack 12 and the guide gear 11 are meshingly connected; the dismounting mechanism comprises a resisting sliding block 15, the resisting sliding block 15 is elastically slidably arranged on the side of the dismounting connector 5 away from the positioning sliding groove 7, one end of the resisting sliding block 15 is slidably penetrated into the inside of the positioning sliding groove 7, and the end of the resisting sliding block 15 inside the positioning sliding groove 7 is clamped to the top end of the tool body 6 for limiting.
[0035] As shown in Figure 3 , Figures 5-6 , the dismounting connector 5 for positioning the tool body 6 is bolted to the outer end of the positioning support 3, and then the tool body 6 is slid downwardly inserted into the positioning sliding groove 7, the resisting arc plate 13 and the spiral guide rod 10 close to the bottom end are synchronously lowered during the lowering of the tool body 6, the rotating sleeve 14 screw-connected between the spiral guide rod 10 is rotated in the inside of the dismounting connector 5, and then the guide gear 11 in the middle drives the anti-dropping rack 12 to mesh, so that the anti-dropping rack 12 is synchronously slid to the outside of the dismounting connector 5, so as to limit the tool body 6 installed in the inside of the dismounting connector 5.
[0036] Further, the resisting sliding block 15 elastically connected in the inside of the dismounting connector 5 is slid inwardly, so that the dismounting connector 5 does not affect the installation of the tool body 6, and after the installation of the tool body 6 is completed, the resisting sliding block 15 is reset by the elastic connection, so that one end inside the positioning sliding groove 7 is inserted into the top end of the tool body 6, avoiding the tool body 6 from falling off during the rotation of the tool and the working process.
[0037] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and 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 device with convenient tool replacement, comprising a numerical control box (1) and a tool disc body (2) mounted on the bottom end of the output shaft of the numerical control box (1) by bolts; characterized in that Further comprising: The inside of the tool disc body (2) is provided with a positioning mechanism, and the positioning mechanism comprises a positioning support (3), and the positioning mechanism comprises a positioning slot (4) for mounting the positioning support (3); The outer end of the tool disc body (2) is provided with a dismounting mechanism, and the dismounting mechanism comprises a dismounting connector (5), and one end of the dismounting connector (5) away from the tool disc body (2) is provided with a positioning sliding groove (7) for mounting a tool body (6).
2. The CNC machining device with easy tool change according to claim 1, characterized in that: The positioning mechanism comprises a supporting bottom plate (8), the top surface of the supporting bottom plate (8) is provided with a top-down distributed fastening positioning ring (9), and the fastening positioning ring (9) is mounted on the upper and lower sides of the outer wall of the tool disc body (2) by bolts.
3. The CNC machining device with easy tool change according to claim 2, characterized in that: The positioning slot (4) of the positioning mechanism is equiangularly provided in the inside of the tool disc body (2), the supporting bottom plate (8) on the bottom surface of the tool disc body (2) is connected to the bottom end of the output shaft of the numerical control box (1) by bolts, and the positioning support (3) is connected to the supporting bottom plate (8) and the fastening positioning ring (9) by bolts, ensuring the stability during the rotation tool replacement process.
4. The CNC machining device with easy tool change according to claim 1, characterized in that: The dismounting mechanism comprises a dismounting connector (5) which is fixedly connected to the outer end of the positioning support (3) near the tool disc body (2), the bottom surface of the dismounting connector (5) is slidingly provided with a resisting arc plate (13), and the resisting arc plate (13) and the positioning sliding groove (7) are concentric structures.
5. The CNC machining device with easy tool change according to claim 4, characterized in that: The dismounting mechanism comprises a spiral guide rod (10), the bottom end of the spiral guide rod (10) is fixedly provided on the top surface of the resisting arc plate (13) on both sides, the upper end of the spiral guide rod (10) is screw-connected with a rotating sleeve (14), and the rotating sleeve (14) is rotatably provided in the inside of the dismounting connector (5) on both sides.
6. The CNC machining device with easy tool change according to claim 5, characterized in that: The dismounting mechanism comprises a guide gear (11), the guide gear (11) is fixedly installed in the middle of the rotating sleeve (14) in the inside of the dismounting connector (5), and the inside of the dismounting connector (5) on both sides is slidingly provided with a anti-dropping rack (12) for limiting the installation of the tool body (6), and the anti-dropping rack (12) and the guide gear (11) are meshingly connected.
7. The CNC machining device of claim 6, wherein: The dismounting mechanism comprises a resisting sliding block (15), the resisting sliding block (15) is elastically slidingly provided in the inside of the dismounting connector (5) away from the positioning sliding groove (7), one end of the resisting sliding block (15) slidingly penetrates into the inside of the positioning sliding groove (7), and the end portion of the resisting sliding block (15) in the inside of the positioning sliding groove (7) is clamped to the top end of the tool body (6) for limiting.
Citation Information
Patent Citations
Tool changing method and device for intelligent tool car
CN118081701A