Cutter fixing mechanism of numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tool cutters, and discloses a numerical control machine tool cutter fixing mechanism which comprises a fixing seat, a cutter fixing seat, a cutter and a locking bolt, the cutter fixing seat is fixedly arranged in the middle of the top end of the fixing seat, and fixing blocks are fixedly arranged on the two sides of the top end of the fixing seat respectively. Supporting blocks are fixedly arranged on the two sides of the fixing base correspondingly. A cutter is arranged in the center of the cutter fixing seat, locking devices are arranged at the front end and the rear end of the cutter, each locking device comprises a hollow upper sleeve and a hollow lower sleeve which are obliquely arranged, the upper sleeves are fixedly arranged on the side edge of the fixing block, the lower sleeves are fixedly arranged on the side edge of the fixing seat, and the locking devices further comprise air cylinders. The air cylinder is fixedly arranged on the supporting block. The tool is transversely locked through the locking device, so that the tool is prevented from being loosened when being subjected to transverse force, and normal use of the tool is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool cutter technical field, concretely relates to a numerical control machine tool cutter fixing mechanism. BACKGROUND

[0002] Numerical control machine tool cutter is used for numerical control lathe, numerical control milling machine, machining center etc. numerical control machine tool carries out cutting processing, and numerical control machine tool cutter is indispensable important component part in numerical control machine tool processing, and its variety is various, each has characteristics, and is widely used in various mechanical processing fields.

[0003] Numerical control cutter needs to be fixed when using, and fixing is to improve machining accuracy, promote machining efficiency, guarantee operation safety and prolong machine tool life. These factors jointly act, make numerical control machine tool can efficiently, accurately complete various complex processing tasks. But when fixing, the numerical control machine tool of present cutter is generally locked through bolt, and then it cannot move, realizes the function of cutting workpiece, but through bolt only locks the cutter vertically, and the cutter will loosen when being subjected to horizontal force, which affects the use of cutter. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a numerical control machine tool cutter fixing mechanism, which solves the problem of loosening caused by cutter horizontal stress.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a numerical control machine tool cutter fixing mechanism, including fixed seat, cutter fixing seat, cutter, locking bolt, the fixed seat top middle position is fixedly provided with cutter fixing seat, the fixed seat top both sides are fixedly provided with fixed block, the fixed seat both sides are fixedly provided with support block, the cutter fixing seat center is provided with cutter, the cutter front and rear ends are provided with locking device, the locking device all includes the upper sleeve pipe and lower sleeve pipe of inclined setting hollow, the upper sleeve pipe is fixedly arranged on the side of fixed block, the lower sleeve pipe is fixedly arranged on the side of fixed seat, the locking device further includes cylinder, the cylinder is fixedly arranged on the support block.

[0006] Further, the upper sleeve pipe center is provided with upper expansion block, the lower sleeve pipe center is provided with lower expansion block, the upper expansion block is connected and arranged with upper moving block, the lower expansion block is connected and arranged with lower moving block, the upper moving block is connected and arranged with upper locking block, the lower moving block is connected and arranged with lower locking block, the cylinder output end is provided with telescopic rod.

[0007] Furthermore, a fixed shaft is fixedly provided on both sides of the end of the telescopic rod, an upper movable shaft is provided on the upper moving block, an upper connecting rod is provided between the fixed shaft and the upper movable shaft, a lower movable shaft is provided on the lower moving block, and a lower connecting rod is provided between the fixed shaft and the lower movable shaft.

[0008] Furthermore, both the upper sleeve and the lower sleeve are provided with a locking block structure, and the ends of the upper telescopic block and the lower telescopic block are provided with locking grooves.

[0009] Furthermore, the locking block structure includes a locking block disposed in the locking slot, the locking block being fixedly connected to the rotating rod, both ends of the rotating rod being provided with sleeves, and one end of the rotating rod being provided with a rotating handle.

[0010] Furthermore, a locking bolt is provided at the upper end of the tool holder.

[0011] This utility model has the following beneficial effects:

[0012] 1. Locking devices are provided at the front and rear ends of the cutting tool, and there are two locking devices in total. The two locking devices are fixedly connected to the fixed base, fixed block and support block to improve the overall stability of the locking device. When clamping the CNC machine tool cutting tool, the cylinder of the locking device drives the upper locking block and the lower locking block to fix the CNC machine tool cutting tool laterally, so that the CNC machine tool cutting tool will not loosen when subjected to lateral force. With the help of the vertical locking bolt, the CNC machine tool cutting tool is fixed in all directions, which can effectively prevent the CNC machine tool cutting tool from loosening during use.

[0013] 2. Both the upper and lower sleeves are equipped with locking blocks. After the cylinder pushes the upper and lower locking blocks into place, the locking blocks of the locking blocks engage with the slots at the ends of the telescopic blocks to prevent the telescopic blocks from moving, thereby further improving the stability of the upper and lower locking blocks and further preventing the CNC machine tool tools from loosening. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the locking device of this utility model;

[0016] Figure 3 This is a front view of the locking device of this utility model;

[0017] Figure 4 This is a rear view of the locking device of this utility model;

[0018] Figure 5 This is a schematic diagram of the connection structure between the locking device and the locking block structure of this utility model;

[0019] Figure 6 This is a schematic diagram of the card block structure of this utility model.

[0020] Legend:

[0021] 1-Fixed base, 2-Tool, 3-Locking device, 301-Clamping block structure, 3011-Clamping block, 3012-Sleeve, 3013-Rotating rod, 3014-Rotating handle, 302-Upper sleeve, 303-Upper telescopic block, 304-Upper moving block, 305-Upper locking block, 306-Lower locking block, 307-Lower moving block, 308-Lower telescopic block, 309-Lower sleeve, 310-Telescopic rod, 311-Cylinder, 312-Fixed shaft, 313-Upper connecting rod, 314-Upper movable shaft, 315-Lower connecting rod, 316-Lower movable shaft, 4-Support block, 5-Fixed block, 501-Insulating layer, 6-Locking bolt, 7-Tool fixing base, 8-Clamping groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 1-6 This utility model provides a CNC machine tool tool fixing mechanism, including a fixing seat 1, a tool fixing seat 7, a tool 2, and a locking bolt 6. The tool fixing seat 7 is fixedly installed at the middle position of the top of the fixing seat 1. Fixing blocks 5 are fixedly installed on both sides of the top of the fixing seat 1, and support blocks 4 are fixedly installed on both sides of the fixing seat 1. The tool 2 is installed at the center of the tool fixing seat 7. Locking devices 3 are installed at both the front and rear ends of the tool 2. Each locking device 3 includes an inclined hollow upper sleeve 302 and a lower sleeve 309. The upper sleeve 302 is fixedly installed on the side of the fixing block 5, and the lower sleeve 309 is fixedly installed on the side of the fixing seat 1. The locking device 3 also includes a cylinder 311, which is fixedly installed on the support block 4.

[0024] The upper sleeve 302 has an upper telescopic block 303 at its center, and the lower sleeve 309 has a lower telescopic block 308 at its center. An upper moving block 304 is connected to the upper telescopic block 303, and a lower moving block 307 is connected to the lower telescopic block 308. An upper locking block 305 is connected to the upper moving block 304, and a lower locking block 306 is connected to the lower moving block 307. A telescopic rod 310 is provided at the output end of the cylinder 311. Fixed shafts 312 are fixedly installed on both sides of the end of the telescopic rod 310. An upper movable shaft 314 is provided on the upper moving block 304, and an upper connecting rod 314 connects the fixed shaft 312 and the upper movable shaft 314. 13. A lower movable shaft 316 is provided on the lower moving block 307, and a lower connecting rod 315 is provided between the fixed shaft 312 and the lower movable shaft 316; a locking block structure 301 is provided on both the upper sleeve 302 and the lower sleeve 309, and a locking groove 8 is provided at the end of the upper telescopic block 303 and the lower telescopic block 308; the locking block structure 301 includes a locking block 3011 provided in the locking groove 8, the locking block 3011 is fixedly connected to the rotating rod 3013, and sleeves 3012 are provided at both ends of the rotating rod 3013, and a rotating handle 3014 is provided at one end of the rotating rod 3013; a locking bolt 6 is provided at the upper end of the tool fixing seat 7.

[0025] In use, the two locking bolts 6 are first loosened by rotating the lever 3014 to install the tool. After the locking block 3011 rotates and leaves the slot 8, the telescopic rod 310 of the cylinder 311 is driven forward. The upper telescopic block 303 and the lower telescopic block 308 move along the upper sleeve 302 and the lower sleeve 309, respectively. The upper connecting rod 313 and the lower connecting rod 315 drive the upper locking block 305 and the lower locking block 306 to lock the front end of the tool 2. The rear end of the tool 2 is locked in the same way. Finally, the two locking bolts 6 are turned to lock the tool 2. When replacing the tool 2, the telescopic rod 310 of the cylinder 311 is retracted, which drives the upper locking block 305 and the lower locking block 306 to loosen.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A numerical control machine tool cutter fixing mechanism, comprising a fixing base (1), a cutter fixing base (7), a cutter (2), a locking bolt (6), characterized in that: The fixed seat (1) top end middle position fixedly provided with cutter fixed seat (7), the fixed seat (1) top end both sides are fixedly provided with fixed block (5), the fixed seat (1) both sides are fixedly provided with support block (4) respectively; The cutter fixed seat (7) is provided with a cutter (2) in the center, the cutter (2) is provided with a locking device (3) at the front and rear ends, the locking device (3) includes an inclined hollow upper sleeve (302) and a lower sleeve (309), the upper sleeve (302) is fixedly arranged on the side of the fixed block (5), the lower sleeve (309) is fixedly arranged on the side of the fixed seat (1), the locking device (3) further includes a gas cylinder (311), the gas cylinder (311) is fixedly arranged on the support block (4).

2. A tool holding mechanism for a numerically controlled machine tool according to claim 1, characterized in that: The upper sleeve (302) is provided with an upper telescopic block (303) in the center, the lower sleeve (309) is provided with a lower telescopic block (308) in the center, the upper telescopic block (303) is connected with an upper moving block (304), the lower telescopic block (308) is connected with a lower moving block (307), the upper moving block (304) is connected with an upper locking block (305), the lower moving block (307) is connected with a lower locking block (306), the gas cylinder (311) is provided with a telescopic rod (310) at the output end.

3. A tool holding mechanism for a numerically controlled machine tool according to claim 2, characterized in that: The telescopic rod (310) is fixedly provided with a fixed shaft (312) at both ends, the upper moving block (304) is provided with an upper movable shaft (314), the fixed shaft (312) and the upper movable shaft (314) are connected with an upper connecting rod (313), the lower moving block (307) is provided with a lower movable shaft (316), the fixed shaft (312) and the lower movable shaft (316) are connected with a lower connecting rod (315).

4. A tool holding mechanism for a numerically controlled machine tool according to claim 2, characterized in that: The upper sleeve (302) and the lower sleeve (309) are provided with a clamping block structure (301), the upper telescopic block (303) and the lower telescopic block (308) are provided with a clamping groove (8) at the end.

5. A numerically controlled machine tool tool holding mechanism according to claim 4, characterised in that: The clamping block structure (301) includes a clamping block (3011) arranged in the clamping groove (8), the clamping block (3011) is fixedly connected to a rotating rod (3013), the rotating rod (3013) is provided with a sleeve (3012) at both ends, and a rotating handle (3014) is arranged at one end of the rotating rod (3013).

6. A tool holding mechanism for a numerically controlled machine tool according to claim 1, characterized in that: The cutter fixed seat (7) is provided with a locking bolt (6) at the upper end.

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