CN110871288A

CN110871288A - Milling machine tool rest convenient for replacing tool

Info

Publication number: CN110871288A
Application number: CN201911187339.6A
Authority: CN
Inventors: 朱建宁
Original assignee: Beijing Wonderroad Magnesium Technology Co Ltd
Current assignee: Dalian Jiaotong University; Beijing Wonderroad Magnesium Technology Co Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-03-10
Anticipated expiration: 2039-11-28
Also published as: CN110871288B

Abstract

The invention discloses a milling machine tool rest convenient for replacing a tool, which comprises a tool and a tool rest structure, wherein the tool is connected with a fixed block structure arranged in an inner cavity of a tool rest body through a guide frame, then is clamped with a clamping structure under the action of a sliding structure, and finally is locked and fixed through a locking nut, so that the replacing speed of the tool is accelerated, the manpower and material resources are reduced, the machining efficiency is improved, the tool can be quickly positioned through the guide frame, the positioning accuracy is improved, the tool is secondarily fixed through the locking nut, the tool is prevented from being loosened in the using process and damaged to the tool and the tool rest body, the service life of the device is prolonged, the distance between an upper L-shaped fixed block and a lower L-shaped fixed block can be adjusted through a tension spring, the requirements of tools with different thicknesses can be met, and the distance between the two fixed frames can be adjusted under the action of a, the requirements of cutters with different widths can be met, the practicability of the device is improved, and the production cost is reduced.

Description

Milling machine tool rest convenient for replacing tool

Technical Field

The invention relates to the technical field of milling machine devices, in particular to a milling machine tool rest with a tool convenient to replace.

Background

The milling machine is a machine tool with wide application, and planes (horizontal planes and vertical planes), grooves, tooth dividing parts, spiral surfaces and various curved surfaces can be machined on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When the milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates to move mainly, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head. Since the multi-edge intermittent cutting is performed, the productivity of the milling machine is high. In short, a milling machine is a machine tool that can mill, drill, and bore a workpiece.

Traditional milling machine tool rest that conveniently changes cutter need unscrew the bolt of fixed cutter through the spanner when changing the cutter, then changes again, wastes time and energy, influences machining efficiency, and need correct again and fix a position after changing the cutter at every turn.

Aiming at the problems, in order to accelerate the replacement speed of the cutter, reduce manpower and material resources, improve the processing efficiency, reduce the production cost and increase the practicability of the device, the milling machine cutter rest convenient for cutter replacement is provided.

Disclosure of Invention

The invention aims to provide a milling machine tool rest with a tool convenient to replace, which accelerates the replacement speed of the tool, reduces manpower and material resources, improves the processing efficiency, reduces the production cost, increases the practicability of the device and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a milling machine tool rest facilitating tool replacement comprises a tool and a tool rest structure, wherein the tool rest structure comprises a guide frame, a tool rest body, a sliding structure, a clamping structure, a fixing block structure, a locking nut and a limiting groove, the guide frame is arranged on one side of the tool rest body, the sliding structure is arranged in an inner cavity of the tool rest body, the sliding structure is arranged on two sides of the tool, the clamping structure is arranged on the side wall of the inner cavity of the sliding structure, the fixing block structure is arranged on one side, close to the tool, of the sliding structure, the limiting groove is arranged in the inner cavity on one side of the top of the tool rest body, the upper end of the locking nut is arranged at the upper end of the tool rest body, and the lower end of the; the block structure includes the guide block, rotatory fastener, the rotation axis, the fastener, the briquetting, first spring, second spring and draw-in groove, rotatory fastener passes through the rotation axis and is connected with the guide block, the fastener sets up the one side at rotatory fastener, the briquetting sets up the outside at the guide block, the one end setting of first spring is at the inner chamber of guide block, the other end and the fastener of first spring are connected, the second spring encircles the one side that sets up at the guide block and keep away from the fixed block structure, and the one end setting of second spring is at the inner chamber of briquetting one side, the draw-in groove sets up at the relative both ends face of rotatory fastener.

Furthermore, the size and the position between the clamping groove and the clamping piece are matched.

Further, sliding construction includes fixed frame, third spring, slide bar, sleeve and fourth spring, and the one end of fixed frame is passed through the inner wall connection of third spring with the knife rest body, and the slide bar setting is at the inner chamber of fixed frame, and the sleeve setting is on the slide bar, and the telescopic middle part is run through to the one end of slide bar, the one end and the muffjoint of fourth spring, and the other end and the lateral wall of fixed frame inner chamber of fourth spring are connected.

Further, the fixed block structure includes connecting rod, fixture block, goes up L type fixed block, fixed slot, extension spring and L type fixed block down, and the one end of connecting rod is connected with L type fixed block down, and the other end and the fixture block of connecting rod are connected, go up L type fixed block and all set up the fixed slot with the inner chamber of L type fixed block contact surface one side down, and the extension spring setting is at the inner chamber of two fixed slots.

Furthermore, one side of the upper L-shaped fixing block is connected with one side, far away from the third spring, of the sleeve.

Further, the size and the position of the fixture block are matched with the size and the position of the guide block.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the milling machine tool rest convenient for replacing the tool, the tool is connected with the fixing block structure arranged in the inner cavity of the tool rest body through the guide frame, then clamped with the clamping structure under the action of the sliding structure, and finally locked and fixed through the locking nut, so that the replacing speed of the tool is increased, manpower and material resources are reduced, and the machining efficiency is improved.

2. According to the milling machine tool rest convenient for tool replacement, the tool can be quickly positioned through the guide frame, the positioning accuracy is improved, the tool can be quickly buckled through the guide block, the tool replacement efficiency is improved, the tool is secondarily fixed through the locking nut, the tool is prevented from loosening in the using process and being damaged, and the service life of the device is prolonged.

3. According to the milling machine tool rest with the cutter convenient to replace, the distance between the upper L-shaped fixing block and the lower L-shaped fixing block can be adjusted through the tension spring, the requirements of cutters with different thicknesses can be met, the distance between the two fixing frames can be adjusted under the action of the third spring, the requirements of cutters with different widths can be met, the practicability of the device is improved, and the production cost is reduced.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic view of the fixing block structure of the present invention.

In the figure: 1. a cutter; 2. a tool holder structure; 21. a guide frame; 22. a tool holder body; 23. a sliding structure; 231. a fixing frame; 232. a third spring; 233. a slide bar; 234. a sleeve; 235. a fourth spring; 24. a snap-fit structure; 241. a guide block; 242. rotating the clamping piece; 243. a rotating shaft; 244. a fastener; 245. briquetting; 246. a first spring; 247. a second spring; 248. a card slot; 25. a fixed block structure; 251. a connecting rod; 252. a clamping block; 253. an L-shaped fixed block is arranged; 254. fixing grooves; 255. a tension spring; 256. a lower L-shaped fixed block; 26. locking the nut; 27. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a milling machine tool rest convenient for replacing a tool comprises a tool 1 and a tool rest structure 2, wherein the tool rest structure 2 comprises a guide frame 21, a tool rest body 22, a sliding structure 23, a clamping structure 24, a fixing block structure 25, a locking nut 26 and a limiting groove 27, the guide frame 21 is arranged on one side of the tool rest body 22, the tool 1 can be quickly positioned through the guide frame 21, the positioning accuracy is improved, the sliding structure 23 is arranged in an inner cavity of the tool rest body 22, the sliding structure 23 is arranged on two sides of the tool 1, the clamping structure 24 is arranged on a side wall of the inner cavity of the sliding structure 23, the fixing block structure 25 is arranged on one side of the sliding structure 23 close to the tool 1, the limiting groove 27 is arranged in an inner cavity on one side of the top of the tool rest body 22, the upper end of the locking nut 26 is arranged on the upper end of the tool rest body 22, the lower end of the, carry out the secondary fixation to cutter 1 through lock nut 26, prevent that cutter 1 is not hard up in the in-process of using, cause the harm to cutter 1 and knife rest body 22, the life of device has been improved, sliding structure 23 includes fixed frame 231, third spring 232, slide bar 233, sleeve 234 and fourth spring 235, the inner wall connection of fixed frame 231 through third spring 232 and knife rest body 22, slide bar 233 sets up the inner chamber at fixed frame 231, sleeve 234 sets up on slide bar 233, and the middle part of sleeve 234 is run through to the one end of slide bar 233, the one end of fourth spring 235 is connected with sleeve 234, the other end of fourth spring 235 is connected with the lateral wall of fixed frame 231 inner chamber, can adjust the distance between two fixed frames 231 under the effect of third spring 232, can satisfy the demand of cutter 1 of different width, the practicality of device has been increased, production cost is reduced, block structure 24 includes guide block 241, The rotary clamping piece 242, the rotating shaft 243, the clamping piece 244, the pressing piece 245, the first spring 246, the second spring 247 and the clamping groove 248, the rotary clamping piece 242 is connected with the guide block 241 through the rotating shaft 243, the clamping piece 244 is arranged on one side of the rotary clamping piece 242, the pressing piece 245 is arranged on the outer side of the guide block 241, one end of the first spring 246 is arranged in the inner cavity of the guide block 241, the other end of the first spring 246 is connected with the clamping piece 244, the second spring 247 is arranged on one side, far away from the fixed block structure 25, of the guide block 241 in a surrounding mode, one end of the second spring 247 is arranged in the inner cavity of one side of the pressing piece 245, the clamping groove 248 is arranged on two opposite end faces of the rotary clamping piece 242, the clamping groove 248 is matched with the clamping piece 244 in size and position, the fixed block structure 25 comprises a connecting rod 251, a clamping block 252, an upper L-shaped fixed block 253, the other end of the connecting rod 251 is connected with a clamping block 252, fixing grooves 254 are arranged in the inner cavities of the contact surfaces of an upper L-shaped fixing block 253 and a lower L-shaped fixing block 256, a tension spring 255 is arranged in the inner cavities of the two fixing grooves 254, the distance between the upper L-shaped fixing block 253 and the lower L-shaped fixing block 256 can be adjusted through the tension spring 255, the requirements of cutters 1 with different thicknesses can be met, one side of the upper L-shaped fixing block 253 is connected with one side, away from the third spring 232, of the sleeve 234, the size position of the clamping block 252 is matched with the size position between the guide blocks 241, the cutters 1 can be quickly clamped through the guide blocks 241, the cutter replacing efficiency is improved, the cutters 1 are connected with a fixing block structure 25 arranged in the inner cavity of the cutter holder body 22 through the guide frame 21, then are clamped with the clamping structure 24 under the action of the sliding structure, the cutter replacing speed is accelerated, manpower and material resources are reduced, and the machining efficiency is improved.

In summary, the following steps: the milling machine tool rest convenient for replacing the tool comprises a tool 1 and a tool rest structure 2, wherein the tool 1 is connected with a fixing block structure 25 arranged in the inner cavity of a tool rest body 22 through a guide frame 21, then is clamped with a clamping structure 24 under the action of a sliding structure 23, and finally is locked and fixed through a locking nut 26, so that the replacing speed of the tool 1 is increased, manpower and material resources are reduced, the machining efficiency is improved, the tool 1 can be quickly positioned through the guide frame 21, the positioning accuracy is improved, the tool 1 can be quickly clamped through a guide block 241, the efficiency of replacing the tool 1 is improved, the tool 1 is secondarily fixed through the locking nut 26, the tool 1 is prevented from loosening in the using process, the tool 1 and the tool rest body 22 are damaged, the service life of the device is prolonged, the distance between an upper L-shaped fixing block 253 and a lower L-shaped fixing block 256 can be adjusted through a tension spring 255, the demand of the cutter 1 of different thickness can be satisfied, the distance between two fixed frames 231 can be adjusted under the effect of third spring 232, the demand of the cutter 1 of different width can be satisfied, the practicality of device has been increased, and manufacturing cost has been reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a conveniently change milling machine knife rest of cutter, includes cutter (1) and knife rest structure (2), its characterized in that: the tool rest structure (2) comprises a guide frame (21), a tool rest body (22), a sliding structure (23), a clamping structure (24), a fixing block structure (25), a locking nut (26) and a limiting groove (27), the guide frame (21) is arranged on one side of the tool rest body (22), the sliding structure (23) is arranged in an inner cavity of the tool rest body (22), the sliding structures (23) are arranged on two sides of the cutter (1), the clamping structures (24) are arranged on the side wall of the inner cavity of the sliding structures (23), the fixing block structures (25) are arranged on one side, close to the cutter (1), of the sliding structures (23), the limiting grooves (27) are arranged in the inner cavity of one side of the top of the cutter rest body (22), the upper ends of the locking nuts (26) are arranged at the upper ends of the cutter rest body (22), and the lower ends of the locking nuts (26) penetrate through the limiting grooves (27) and are arranged in the inner cavity of the cutter rest body (22); the clamping structure (24) comprises a guide block (241), a rotary clamping piece (242), a rotating shaft (243), a clamping piece (244), a pressing block (245), a first spring (246), a second spring (247) and a clamping groove (248), wherein the rotary clamping piece (242) is connected with the guide block (241) through the rotating shaft (243), the clamping piece (244) is arranged on one side of the rotary clamping piece (242), the pressing block (245) is arranged on the outer side of the guide block (241), one end of the first spring (246) is arranged in an inner cavity of the guide block (241), the other end of the first spring (246) is connected with the clamping piece (244), the second spring (247) is arranged on one side, far away from the fixed block structure (25), of the guide block (241) in a surrounding mode, one end of the second spring (247) is arranged in an inner cavity of one side of the pressing block (245), and the clamping groove (248) is arranged on two opposite end faces of the.

2. A milling machine tool post for facilitating tool changes according to claim 1, wherein: the size and the position of the clamping groove (248) and the clamping piece (244) are matched.

3. A milling machine tool post for facilitating tool changes according to claim 1, wherein: sliding construction (23) are including fixed frame (231), third spring (232), slide bar (233), sleeve (234) and fourth spring (235), the inner wall connection of third spring (232) and knife rest body (22) is passed through to the one end of fixed frame (231), slide bar (233) set up the inner chamber at fixed frame (231), sleeve (234) set up on slide bar (233), and the middle part of sleeve (234) is run through to the one end of slide bar (233), the one end and the sleeve (234) of fourth spring (235) are connected, the other end and the lateral wall of fixed frame (231) inner chamber of fourth spring (235) are connected.

4. A milling machine tool post for facilitating tool changes according to claim 1, wherein: the fixing block structure (25) comprises a connecting rod (251), a clamping block (252), an upper L-shaped fixing block (253), a fixing groove (254), a tension spring (255) and a lower L-shaped fixing block (256), one end of the connecting rod (251) is connected with the lower L-shaped fixing block (256), the other end of the connecting rod (251) is connected with the clamping block (252), the inner cavities of the upper L-shaped fixing block (253) and the lower L-shaped fixing block (256) on one side of the contact surface are provided with the fixing groove (254), and the tension spring (255) is arranged in the inner cavities of the two fixing grooves (254).

5. The milling machine tool post for facilitating tool change according to claim 4, wherein: one side of the upper L-shaped fixing block (253) is connected with one side of the sleeve (234) far away from the third spring (232).

6. The milling machine tool post for facilitating tool change according to claim 4, wherein: the size and the position of the fixture block (252) are matched with the size and the position of the guide block (241).