Double-face restraining ER chuck cutter handle
By adopting a double screw and wire sleeve structure in the ER chuck handle, the upper and lower covers are moved, the floating amplitude of the pipe is adjusted, and the screw locking cap is clamped, the existing ER chuck floating method is inflexible and the clamping structure is poor, achieving more efficient operation stability.
Patent Information
- Application Number
- CN202420727996.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The existing ER chuck lacks a flexible floating method, making it difficult to adjust the floating amplitude according to the use needs. At the same time, the clamping structure is poor, which causes the tool to loosen and fall off during long-term use, affecting the operating efficiency.
A double-sided restrained ER chuck handle is designed, adopting a double screw and wire sleeve structure. By rotating the double screw, it drives the upper and lower covers to move, increasing the up and down movement range of the tube, and adjusting the floating amplitude; at the same time, the screw clamping is used to lock the screw cap to prevent loosening and falling off.
It realizes flexible adjustment of the floating amplitude according to the needs of use, avoids the problem of loosening and falling off the tool during long-term use, and improves the stability and efficiency of operation.
Smart Images

Figure CN222679629U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chuck tool handles, in particular to a double-sided restrained ER chuck tool handle. Background Art
[0002] ER is a cylindrical clamp installed on the spindle of a drilling, tapping, milling machine or a machining center to restrain a drilling or tapping tool or a milling tool, also known as an ER collet. It can also be used as a fixed locking device to fix and reinforce parts that need to be modified and processed. An ER chuck requires a tool holder when in use. The "precision chuck tool holder" disclosed in the application number "CN211661173U" has solved the problem of deformation during use. However, in actual use, ER chucks with similar structures still have many defects, such as: the existing ER chuck does not have a more flexible floating mode, and it is not convenient to adjust the floating amplitude according to the use requirements, and there is no good locking structure for the tool clamping structure, which makes the tool loosen when used for a long time, resulting in falling off, affecting the reaming operation, so it is necessary to design a double-sided restrained ER chuck tool holder. Utility Model Content
[0003] The utility model aims to provide a double-sided restrained ER chuck tool holder to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-sided restrained ER chuck tool holder, comprising a mounting rod, a fixed block and a tube, a fixed block is fixedly mounted on one side of the mounting rod, a double screw is rotatably mounted inside the fixed block, a first thread sleeve and a second thread sleeve are respectively threadedly mounted on the outer side of the double screw, an upper cover extending from the fixed block is fixedly connected to one side of the first thread sleeve, a first positioning block is fixedly mounted on the inner wall of the upper cover, a lower cover extending from the fixed block is fixedly connected to one side of the second thread sleeve, a tube is slidably mounted between the upper cover and the lower cover, a tube is fixedly connected to one side of the fixed block, a fixing frame is fixedly connected to the top of the tube, and a clamping screw is threadedly mounted on one end of the fixing frame.
[0005] Preferably, a first supporting spring is fixedly installed between the upper cover and the tube, and a second supporting spring is fixedly installed between the tube and the lower cover.
[0006] Preferably, a second positioning block is fixedly installed inside the lower cover, a lower positioning groove cooperating with the second positioning block is formed at the bottom of the tube, and an upper positioning groove corresponding to the first positioning block is formed at the top of the tube.
[0007] Preferably, a mounting groove is provided on the outer side of the mounting rod, and an adjustment hole cooperating with the first thread sleeve and the second thread sleeve is provided on one side of the fixing block.
[0008] Preferably, an adjusting handwheel is fixedly installed on the top of the double screw, and an operating handwheel is fixedly connected to the top of the clamping screw.
[0009] Preferably, a screw nut is threadedly mounted on one end of the tube, and a tool mounting tube is clamped and mounted inside the screw nut.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. The utility model can make the first thread sleeve and the second thread sleeve drive the upper cover and the lower cover to move in both directions by rotating the double screw rod. The upper cover and the lower cover can move in both directions so that the tube can increase the up and down movement range. The floating amplitude can be adjusted according to the use requirements. After the nut and the tube are threadedly installed, the clamping screw rod can be used to lock the nut by rotating the clamping screw rod, so that the nut will not rotate, avoiding the nut from loosening during long-term use and preventing the tool from falling off. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional diagram of the utility model;
[0013] Figure 2 This is a schematic diagram of the internal structure of the fixed block of the utility model;
[0014] Figure 3 It is a side view of the utility model;
[0015] Figure 4 It is a schematic diagram of the local structure of the tube and the fixing frame of the utility model.
[0016] In the figure: 1. mounting rod; 101. mounting groove; 2. fixing block; 201. double screw; 202. first thread sleeve; 203. second thread sleeve; 204. adjustment hole; 205. upper cover; 206. lower cover; 207. first positioning block; 208. second positioning block; 209. adjustment hand wheel; 3. tube; 301. upper positioning groove; 302. lower positioning groove; 303. first supporting spring; 304. second supporting spring; 4. fixing frame; 401. operating hand wheel; 402. clamping screw; 403. nut; 5. tool mounting tube. DETAILED DESCRIPTION
[0017] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0018] like Figure 1-4As shown, a double-sided restraint ER chuck tool handle proposed by the utility model comprises a mounting rod 1, a fixing block 2 and a tube 3, a fixing block 2 is fixedly mounted on one side of the mounting rod 1, a double screw rod 201 is rotatably mounted inside the fixing block 2, a first thread sleeve 202 and a second thread sleeve 203 are respectively threadedly mounted on the outer side of the double screw rod 201, an upper cover 205 extending from the fixing block 2 is fixedly connected to one side of the first thread sleeve 202, a first positioning block 207 is fixedly mounted on the inner wall of the upper cover 205, a lower cover 206 extending from the fixing block 2 is fixedly connected to one side of the second thread sleeve 203, a tube 3 is slidably mounted between the upper cover 205 and the lower cover 206, a tube 3 is fixedly connected to one side of the fixing block 2, a fixing frame 4 is fixedly connected to the top of the tube 3, and a clamping screw rod 402 is threadedly mounted on one end of the fixing frame 4;
[0019] A first supporting spring 303 is fixedly installed between the upper cover 205 and the tube 3, a second supporting spring 304 is fixedly installed between the tube 3 and the lower cover 206, a second positioning block 208 is fixedly installed inside the lower cover 206, a lower positioning groove 302 cooperating with the second positioning block 208 is provided at the bottom of the tube 3, an upper positioning groove 301 corresponding to the first positioning block 207 is provided at the top of the tube 3, a nut 403 is threadedly installed at one end of the tube 3, and a tool mounting tube 5 is clamped and installed inside the nut 403.
[0020] An installation groove 101 is provided on the outer side of the installation rod 1, and an adjustment hole 204 cooperating with the first thread sleeve 202 and the second thread sleeve 203 is provided on one side of the fixing block 2. An adjustment hand wheel 209 is fixedly installed on the top of the double thread rod 201, and an operating hand wheel 401 is fixedly connected to the top of the clamping thread rod 402. The installation groove 101 can be used to conveniently connect the installation rod 1 to the processing machine tool, and the adjustment hole 204 can be used to make the first thread sleeve 202 and the second thread sleeve 203 drive the upper cover 205 and the lower cover 206 to slide; Figure 2 By rotating the adjusting hand wheel 209, the double screw rod 201 can be driven to rotate, and by rotating the operating hand wheel 401, the clamping screw rod 402 can be rotated.
[0021] By docking the mounting rod 1 with the main shaft of the processing machine tool, the first thread sleeve 202 and the second thread sleeve 203 can be relatively moved by rotating the double threaded rod 201, and the upper cover 205 and the lower cover 206 can be driven to move in both directions by the first thread sleeve 202 and the second thread sleeve 203. By moving the upper cover 205 and the lower cover 206, the tube 3 can increase the upward and downward movement range, and the floating amplitude of the tube 3 can be adjusted according to the use requirements;
[0022] During the up and down floating process of the tube 3, the first positioning block 207 can slide along the upper positioning groove 301, and the second positioning block 208 can slide along the lower positioning groove 302, so that the tube 3 can maintain a stable effect when floating up and down, and the first supporting spring 303 and the second supporting spring 304 can be used to quickly reset the tube 3 after the floating ends;
[0023] By inserting the tool into the tool mounting tube 5 and threading the nut 403 with the tube 3, the tool mounting tube 5 can be squeezed and closed, and the tool can be clamped and fixed by the tool mounting tube 5. By rotating the clamping screw 402, the clamping screw 402 can be made to contact the surface of the nut 403, so that the clamping screw 402 can lock the nut 403, and the nut 403 can be prevented from rotating, thereby avoiding the nut 403 from loosening during long-term use, preventing the tool from falling off, and improving the reaming efficiency.
[0024] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A double-sided restrained ER chuck handle, comprising a mounting rod (1), a fixing block (2) and a tube (3), characterized in that: A fixed block (2) is fixedly installed on one side of the mounting rod (1), a double screw (201) is rotatably installed inside the fixed block (2), a first threaded sleeve (202) and a second threaded sleeve (203) are respectively threadedly installed on the outer side of the double screw (201), an upper cover (205) extending from the fixed block (2) is fixedly connected to one side of the first threaded sleeve (202), a first positioning block (207) is fixedly installed on the inner wall of the upper cover (205), a lower cover (206) extending from the fixed block (2) is fixedly connected to one side of the second threaded sleeve (203), a tube (3) is slidably installed between the upper cover (205) and the lower cover (206), a tube (3) is fixedly connected to one side of the fixed block (2), a fixing frame (4) is fixedly connected to the top of the tube (3), and a clamping screw (402) is threadedly installed on one end of the fixing frame (4).
2. The double-sided restrained ER chuck tool holder according to claim 1, characterized in that: A screw cap (403) is threadedly mounted on one end of the tube (3), and a tool mounting tube (5) is clamped and mounted inside the screw cap (403).
3. The double-sided restrained ER chuck tool holder according to claim 1, characterized in that: An adjusting hand wheel (209) is fixedly mounted on the top of the double screw rod (201), and an operating hand wheel (401) is fixedly connected to the top of the clamping screw rod (402).
4. The double-sided restrained ER chuck tool holder according to claim 1, characterized in that: The outer side of the mounting rod (1) is provided with a mounting groove (101), and one side of the fixing block (2) is provided with an adjustment hole (204) that matches the first thread sleeve (202) and the second thread sleeve (203).
5. The double-sided restrained ER chuck tool holder according to claim 1, characterized in that: A second positioning block (208) is fixedly installed inside the lower cover (206), a lower positioning groove (302) cooperating with the second positioning block (208) is provided at the bottom of the tube (3), and an upper positioning groove (301) corresponding to the first positioning block (207) is provided at the top of the tube (3).
6. The double-sided restrained ER chuck tool holder according to claim 1, characterized in that: A first supporting spring (303) is fixedly installed between the upper cover (205) and the tube (3), and a second supporting spring (304) is fixedly installed between the tube (3) and the lower cover (206).
Citation Information
Patent Citations
Precise chuck knife handle
CN211661173U