Fastening device for cutter
Through the cooperation of threaded columns, locking sleeves and positioning mechanisms, the loosening problem caused by vibration during the processing process is solved, and the tool fixing effect with stability and precise adjustment is achieved.
Patent Information
- Application Number
- CN202422070132.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing tool fixing device loosens the nut due to vibration during processing, resulting in the clamping failure, causing the tool to fall off.
The combination of threaded columns, locking sleeves and positioning mechanisms is adopted. The elastic clips are tightened to position the lock sleeves by tightening the lock sleeves. The tool position is accurately adjusted in combination with the adjustment mechanism and the scale lines. The anti-slip strips are used to assist in rotating the lock sleeves to improve stability.
It effectively avoids loosening of the lock sleeve caused by vibration, improves the stability and precise adjustment ability of tool installation, and ensures the clamping effect during processing.
Smart Images

Figure CN223057208U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutters, in particular to a fastening device for cutters. Background Art
[0002] Chinese patent document CN208358280U discloses a multi-tool fixing and clamping device for a CNC machine tool, comprising a fixing plate, a connecting rod and a fixing clamp, wherein the fixing plate is provided with through holes in an annular array around the fixing plate, and a total of four through holes are provided, a fixing sleeve is welded at the middle of the lower end surface of the fixing plate, the connecting rod is threadedly installed in the fixing sleeve, the connecting rod is equidistantly provided with fixing holes, the fixing sleeve fixes the connecting rod through a screw, and nuts are threadedly installed at both ends of the screw, the screw is located inside the fixing hole, an adjusting shaft is welded at the lower end of the connecting rod, a fixing clamp is welded at the lower end surface of the adjusting shaft, adjusting grooves are provided around the adjusting shaft and the fixing clamp, and a total of four adjusting grooves are provided, and the upper end of the adjusting groove is located at half of the adjusting shaft, the adjusting shaft is truncated, and an adjusting nut is threadedly installed on the outer side of the adjusting shaft, so that different tools can be installed and the installation time is shortened.
[0003] However, after the above device tightens the adjusting nut to shrink the fixing clamp to clamp the tool, the tool will continue to vibrate during the processing, which can easily cause the nut to loosen during the process, resulting in gradual failure of the clamping and causing the tool to fall off. For this reason, we propose a tool fastening device. Utility Model Content
[0004] The utility model aims to provide a tool fastening device, which can solve the problem that the fastening effect of some existing devices is poor.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a tool fastening device, comprising:
[0006] The mounting plate has a fixed sleeve fixedly mounted on the bottom, a movable plate is fitted inside the fixed sleeve, a threaded column is fixedly mounted on the bottom of the movable plate, a locking sleeve is threadedly mounted on the threaded column, and two sets of elastic clips are fixedly mounted on the bottom of the threaded column;
[0007] An adjusting mechanism, which is arranged on the fixed sleeve and the movable plate, and is used to adjust the height of the cutter;
[0008] A positioning mechanism is arranged on the movable plate and the locking sleeve, and the positioning mechanism includes a fixed block, a hollow sleeve, a positioning rod and a positioning hole. The front outer surface of the movable plate is fixedly installed with a fixed block, the bottom of the fixed block is fixedly installed with a hollow sleeve, a positioning rod is arranged in the hollow sleeve, and at least two groups of positioning holes are opened on the top of the locking sleeve.
[0009] Preferably, the positioning mechanism further includes a handle, one end of the positioning rod is inserted into the corresponding positioning hole, a spring is fixedly installed between the other end of the positioning rod and the inner wall of the hollow sleeve, and the handle is fixedly installed on the outer surface of the positioning rod.
[0010] Preferably, the adjustment mechanism includes an insertion rod, a handle, a return spring and a socket, the insertion rod is movably passed through one side of the fixed sleeve, at least two groups of sockets are opened on one side of the movable plate, one end of the insertion rod is inserted into the corresponding socket, the other end of the insertion rod is fixedly installed with a handle, a return spring is sleeved on the insertion rod, one end of the return spring is fixedly connected to the handle, and the other end of the return spring is fixedly connected to the outer surface of one side of the fixed sleeve.
[0011] Preferably, scale lines are provided on one outer surface of the fixing sleeve.
[0012] Preferably, at least two groups of mounting holes are formed through the mounting plate.
[0013] Preferably, a group of rubber pads are fixedly mounted on the inner walls of the two groups of elastic clips.
[0014] Preferably, at least two groups of anti-slip strips are fixedly mounted on the outer surface of the locking sleeve.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] (1) The tool fastening device, through the cooperation of the threaded column, the locking sleeve and the positioning mechanism, can further position the rotation of the locking sleeve after the tool is installed by tightening the locking sleeve to tighten the two sets of elastic clamps, thereby preventing the tool installation from being affected by vibration and rotation. This solves the problem that after some existing devices clamp the tool by tightening the adjusting nut to shrink the fixing clamp, the tool will continue to vibrate during the processing, which can easily cause the nut to loosen during the process, resulting in gradual failure of clamping and causing the tool to fall off, thereby improving the stability of the device.
[0017] (2) The tool fastening device can accurately adjust the position of the tool according to different tools through the cooperation of the adjustment mechanism and the scale line to adapt to the processing position. At the same time, under the action of the anti-slip strip, it can assist in rotating the locking sleeve, thereby ensuring the use effect of the device and facilitating the promotion and use of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0019] Figure 1 It is a top perspective view of the utility model;
[0020] Figure 2 It is a bottom-up stereogram of the present utility model;
[0021] Figure 3 For Figure 1 the enlarged view of the structure at position A in
[0022] Reference numerals: 1, mounting plate; 2, fixing sleeve; 3, movable plate; 4, threaded column; 5, locking sleeve; 6, elastic clip; 7, positioning mechanism; 71, fixing block; 72, hollow sleeve; 73, positioning rod; 74, positioning hole; 75, pull handle; 8, adjusting mechanism; 81, insertion rod; 82, handle; 83, return spring; 84, insertion hole; 9, scale line; 10, mounting hole; 11, rubber pad; 12, anti-slip strip. Specific embodiments
[0023] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be construed as a limitation on the protection scope of the present invention.
[0024] Please refer to Figures 1-3 , the present invention provides a technical solution: a fastening device for a tool, including a mounting plate 1, an adjusting mechanism 8 and a positioning mechanism 7. A fixing sleeve 2 is fixedly installed at the bottom of the mounting plate 1. An inner surface of the fixing sleeve 2 is fitted with a movable plate 3. A threaded column 4 is fixedly installed at the bottom of the movable plate 3. A locking sleeve 5 is threadedly installed on the threaded column 4. Two groups of elastic clips 6 are fixedly installed at the bottom of the threaded column 4. The adjusting mechanism 8 is arranged on the fixing sleeve 2 and the movable plate 3. The adjusting mechanism 8 is used to adjust the height of the tool. A scale line 9 is arranged on an outer surface of one side of the fixing sleeve 2. At least two groups of mounting holes 10 are formed through the mounting plate 1. A group of rubber pads 11 are fixedly installed on inner walls of the two groups of elastic clips 6. At least two groups of anti-slip strips 12 are fixedly installed on an outer surface of the locking sleeve 5;
[0025] The positioning mechanism 7 is arranged on the movable plate 3 and the locking sleeve 5. The positioning mechanism 7 includes a fixing block 71, a hollow sleeve 72, a positioning rod 73 and a positioning hole 74. A fixing block 71 is fixedly installed on a front outer surface of the movable plate 3. A hollow sleeve 72 is fixedly installed at the bottom of the fixing block 71. A positioning rod 73 is arranged in the hollow sleeve 72. At least two groups of positioning holes 74 are formed in a top of the locking sleeve 5.
[0026] The positioning mechanism 7 also includes a handle 75. One end of the positioning rod 73 is inserted into the corresponding positioning hole 74. A spring is fixedly installed between the other end of the positioning rod 73 and the inner wall of the hollow sleeve 72. The outer surface of the positioning rod 73 is fixedly installed with a handle 75. Through the cooperation of the threaded column 4, the locking sleeve 5 and the positioning mechanism 7, by tightening the locking sleeve 5 and tightening the two sets of elastic clips 6 to install the tool, the rotation of the locking sleeve 5 can be further positioned to avoid affecting the installation of the tool due to vibration and rotation. This solves the problem that after some existing devices clamp the tool by tightening the adjusting nut to shrink the fixing clamp, the tool will continue to vibrate during the processing process, which can easily cause the nut to loosen in the process, resulting in gradual failure of the clamping and causing the tool to fall off, thereby improving the stability of the device.
[0027] The adjusting mechanism 8 comprises an insert rod 81, a handle 82, a return spring 83 and a socket 84. An insert rod 81 is movably passed through one side of the fixed sleeve 2, and at least two groups of sockets 84 are provided on one side of the movable plate 3. One end of the insert rod 81 is inserted into the corresponding socket 84, and a handle 82 is fixedly installed on the other end of the insert rod 81. A return spring 83 is sleeved on the insert rod 81, and one end of the return spring 83 is fixedly connected to the handle 82, and the other end of the return spring 83 is fixedly connected to the outer surface of one side of the fixed sleeve 2. Through the cooperation of the adjusting mechanism 8 and the scale line 9, the position of the tool can be accurately adjusted according to different tools to adapt to the processing position. At the same time, under the action of the anti-slip strip 12, the locking sleeve 5 can be assisted in rotating, thereby ensuring the use effect of the device and facilitating the promotion and use of the device.
[0028] Working principle: Install the mounting plate 1 to the processing equipment through the mounting hole 10. When installing the tool, clamp the tool between the two sets of elastic clips 6, then pull up the handle 75 to drive the positioning rod 73 to move up and fall off the positioning hole 74, the positioning rod 73 will compress the spring in the hollow sleeve 72, and then rotate the locking sleeve 5, the locking sleeve 5 moves down and contracts the two sets of elastic clips 6 to clamp and install the tool, then release the handle 75, under the rebound action of the spring, the positioning rod 73 is reset and inserted into the corresponding positioning hole 74, the rotation of the locking sleeve 5 is positioned, and then according to the height of the tool, pull the handle 82 to drive the insertion rod 81 to disengage from the socket 84, the reset spring 83 is stretched, and the movable plate 3 is slid up and down to drive the tool to adjust the height, release the handle 82, and under the rebound action of the reset spring 83, the insertion rod 81 is inserted into the corresponding socket 84 for fixation.
[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A fastening device for a cutting tool, characterized in that, Comprising: An installation plate (1) with a fixed sleeve (2) fixedly installed at its bottom. An activity plate (3) is fitted inside the fixed sleeve (2). A threaded column (4) is fixedly installed at the bottom of the activity plate (3). A locking sleeve (5) is threadedly installed on the threaded column (4). Two groups of elastic clips (6) are fixedly installed at the bottom of the threaded column (4); An adjusting mechanism (8) which is arranged on the fixed sleeve (2) and the activity plate (3), and the adjusting mechanism (8) is used to adjust the height of the tool; A positioning mechanism (7) which is arranged on the activity plate (3) and the locking sleeve (5). The positioning mechanism (7) includes a fixed block (71), a hollow sleeve (72), a positioning rod (73) and positioning holes (74). A fixed block (71) is fixedly installed on the front outer surface of the activity plate (3). A hollow sleeve (72) is fixedly installed at the bottom of the fixed block (71). A positioning rod (73) is arranged inside the hollow sleeve (72). At least two groups of positioning holes (74) are opened at the top of the locking sleeve (5).
2. The fastening device for a cutting tool according to claim 1, characterized in that: The positioning mechanism (7) further includes a pull handle (75). One end of the positioning rod (73) is inserted into the corresponding positioning hole (74). A spring is fixedly installed between the other end of the positioning rod (73) and the inner wall of the hollow sleeve (72). A pull handle (75) is fixedly installed on the outer surface of the positioning rod (73).
3. The fastening device for a cutting tool according to claim 2, wherein: The adjusting mechanism (8) includes a plug rod (81), a handle (82), a return spring (83) and a jack (84). A plug rod (81) movably penetrates through one side of the fixed sleeve (2). At least two groups of jacks (84) are opened on one side of the activity plate (3). One end of the plug rod (81) is inserted into the corresponding jack (84). A handle (82) is fixedly installed at the other end of the plug rod (81). A return spring (83) is sleeved on the plug rod (81). One end of the return spring (83) is fixedly connected to the handle (82), and the other end of the return spring (83) is fixedly connected to the outer surface of one side of the fixed sleeve (2).
4. A fastening device for a cutting tool according to claim 3, characterized in that: Scale lines (9) are arranged on the outer surface of one side of the fixed sleeve (2).
5. A fastening device for a cutting tool according to claim 4, characterized in that: At least two groups of mounting holes (10) are penetrated through the installation plate (1).
6. The fastening device for a cutting tool according to claim 5, characterized in that: A group of rubber pads (11) are fixedly installed on the inner walls of the two groups of elastic clips (6).
7. The fastening device for a cutting tool according to claim 6, characterized in that: At least two groups of anti-slip strips (12) are fixedly installed on the outer surface of the locking sleeve (5).
Citation Information
Patent Citations
Digit control machine tool multicutter fixing and clamping device
CN208358280U