Long-edge milling cutter for numerical control machining of polaroid

Abstract

The utility model relates to the technical field of milling cutters, and discloses a long-edge milling cutter for numerical control processing of polarizers, which comprises a cutter body assembly, a cutter point assembly arranged at a milling cutter processing part of the cutter body assembly, and a cutter handle assembly arranged at an installation part of the cutter body assembly. Energy absorption measures are designed at the milling cutter machining position of the cutter body assembly to avoid the cutter bouncing phenomenon, a ball is arranged in a drill bit and moves in a ball groove body, and when a cutter generates vibration with the relatively large amplitude due to too large stress, a buffer rod slides in an energy absorption buffer groove column, so that the cutter is prevented from bouncing. And through dual cooperation of the first buffering energy-absorbing spring and the second buffering energy-absorbing spring, energy is transmitted to the piston block through the buffering rod, the piston block is promoted to move, then the energy is gradually released along the energy releasing groove, the cutter bouncing phenomenon is avoided, and the workpiece machining accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a long-edge milling cutter for numerically controlling polarizing film processing. Background Art

[0002] CNC machining refers to a process method for machining parts on CNC machine tools. The process procedures of CNC machine tool machining are generally consistent with those of traditional machine tool machining, but there have also been significant changes. It is a mechanical machining method that uses digital information to control the displacement of parts and tools. It is an effective way to solve problems such as a wide variety of parts, small batches, complex shapes, and high precision, and to achieve efficient and automated machining. The controlled actions of the machine tool generally include starting and stopping the machine tool; starting and stopping the spindle, changing the direction of rotation and speed; the direction, speed, and method of feed motion; the selection of tools, compensation of length and radius; tool replacement, and the opening and closing of coolants, etc.

[0003] A milling cutter is a rotary tool with one or more teeth used for milling. When working, each tooth cuts off the excess of the workpiece in turn and intermittently. Milling cutters are mainly used to process planes, steps, grooves, forming surfaces and cut off workpieces on milling machines. Milling cutters used in machining centers are mostly clamped by spring clips and are in a cantilever state when used.

[0004] The full name of polarizer is polarizing film, which is one of the imaging components of liquid crystal display. The basic structure of polarizer includes PVA (polyvinyl alcohol) in the middle, two layers of TAC (triacetyl cellulose), PSA film (pressure-sensitive adhesive), Release film and Protective film. There are two types of polarizers: absorption polarizer and reflection polarizer. It has the characteristics of good flexibility, lightness and thinness, and unlimited area. The imaging of liquid crystal display must rely on polarized light. All liquid crystals have two polarizing films in front and behind tightly attached to the liquid crystal glass. Therefore, special milling cutters are needed to process polarizers.

[0005] Due to the particularity of polarizers, long-edge milling cutters have longer blade lengths. The longer the blade length of the milling cutter, the worse the rigidity of the milling cutter. Due to the high precision requirements of polarizers, the blade diameter of the milling cutter is smaller. However, tools with smaller blade diameters are more likely to cause tool bounce, resulting in incomplete processing of the workpiece, large excess, poor processing surface effect, etc. Utility Model Content

[0006] The utility model aims to provide a long-edge milling cutter for numerically controlling polarizers to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CNC processing polarizer long-edge milling cutter, comprising a blade assembly, a tool tip assembly arranged at the milling cutter processing position of the blade assembly, and a tool handle assembly arranged at the installation position of the blade assembly, wherein the blade assembly comprises: a vertical body installation wall, wherein the blade assembly is composed of a plurality of spiral vertical body installation walls, and a plurality of chip removal grooves are formed, wherein the vertical body installation walls are provided with a plurality of heat dissipation holes, and the chip removal grooves are respectively integrally formed with a convex base body and a curved surface body;

[0008] The tool tip assembly includes: a pointed drill bit, integrally connected to the milling cutter processing portion of the blade assembly;

[0009] The handle assembly comprises: a handle column integrally connected to the installation position of the blade assembly; a mounting seat integrally connected to the end of the handle column; a connecting protrusion integrally connected to the middle position of the mounting seat; and a mounting column used for being installed on the mounting seat.

[0010] Preferably, an energy absorption chamber is opened inside the pointed drill bit, and a mounting ring body is fixedly installed inside the energy absorption chamber, and an energy absorption buffer groove column is built into the mounting ring body. The end of the energy absorption buffer groove column is integrally connected with a ball groove body, and a ball ball is movably arranged inside the ball groove body.

[0011] Preferably, a buffer rod is slidably connected inside the energy absorption buffer slot column, a buffer energy absorption spring is fixedly connected between one end of the buffer rod and the ball, and the other end of the buffer rod passes through the energy absorption buffer slot column and extends to the outside of the energy absorption chamber.

[0012] Preferably, a second buffer energy absorbing spring is fixedly connected to the interior of the energy absorbing buffer slot column, and the second buffer energy absorbing spring is sleeved on the outer wall of the buffer rod.

[0013] Preferably, the other end of the buffer rod is fixedly connected to a piston block that slides with the energy absorption chamber.

[0014] Preferably, the inner wall of the energy absorption chamber is integrally connected with a stop limit convex body for limiting the moving point of the piston block, and energy release grooves are equidistantly provided on the inner wall of the energy absorption chamber between the piston block and the stop limit convex body.

[0015] Preferably, a four-way positioning groove is opened on the mounting seat, a cross mounting groove seat is fixedly installed on the end of the mounting column, a lateral positioning block is fixedly installed on the cross mounting groove seat, and is respectively installed on the connecting protrusion and the mounting seat by No. 1 bolts and nuts and No. 2 bolts and nuts.

[0016] The utility model provides a long-edge milling cutter for CNC processing polarizers, which has the following beneficial effects:

[0017] (1) The utility model designs energy absorption measures at the milling cutter processing part of the blade assembly to avoid the tool bouncing phenomenon. The drill bit has a ball inside, and the ball moves in the ball groove. When the tool generates a relatively large amplitude vibration due to excessive force, the buffer rod slides inside the energy absorption buffer groove column, and the energy is transferred to the piston block through the buffer rod through the double cooperation of the buffer energy absorption spring 1 and the buffer energy absorption spring 2, so that the piston block moves, and then the energy is gradually released along the energy release groove, so as to avoid the tool bouncing phenomenon and improve the accuracy of workpiece processing.

[0018] (2) The utility model is designed with a cross mounting groove seat and a lateral positioning block, and can be installed on the connecting protrusion and the mounting seat respectively by means of No. 1 bolts and nuts and No. 2 bolts and nuts, that is, the long-edge milling cutter is installed on the base, thereby achieving the installation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the blade assembly of the utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of center A;

[0022] Figure 4 This is a schematic diagram of the structure of the handle assembly of the utility model.

[0023] In the figure: 1 blade assembly, 2 blade tip assembly, 3 handle assembly, 111 vertical body mounting wall, 112 heat dissipation hole, 113 chip removal groove, 114 convex base, 115 curved body, 211 pointed drill bit, 212 mounting ring body, 213 energy absorption buffer groove column, 214 ball groove body, 215 ball, 216 buffer rod, 217 buffer energy absorption spring 1, 218 buffer energy absorption spring 2, 219 piston block, 2110 energy release groove, 2111 stop limit convex body, 311 handle column, 312 mounting seat, 313 connecting convex body, 314 mounting column, 315 cross mounting groove seat, 316 lateral positioning block, 317 No. 1 bolts and nuts, 318 No. 2 bolts and nuts. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] Example 1

[0027] A preferred embodiment of a CNC long-edge milling cutter for processing polarizers provided by the utility model is as follows: Figure 1-4 As shown: A CNC processing polarizer long-edge milling cutter, including a blade body component 1, a tool tip component 2 arranged at the milling cutter processing position of the blade body component 1, and a tool handle component 3 arranged at the installation position of the blade body component 1, the blade body component 1 includes: a vertical body mounting wall 111, the blade body component 1 is composed of a plurality of spiral vertical body mounting walls 111, and a plurality of chip removal grooves 113 are formed, and a plurality of heat dissipation holes 112 are formed on the vertical body mounting walls 111, and a convex base body 114 and a curved surface body 115 are integrally formed inside the chip removal groove 113;

[0028] The knife tip assembly 2 includes:

[0029] A pointed drill bit 211 is integrally connected to the milling cutter processing portion of the blade assembly 1;

[0030] An energy absorption chamber is provided inside the sharp drill bit 211, and a mounting ring 212 is fixedly installed inside the energy absorption chamber, and an energy absorption buffer groove column 213 is built in the mounting ring 212, and a ball groove body 214 is integrally connected to the end of the energy absorption buffer groove column 213, and a ball 215 is movably arranged inside the ball groove body 214;

[0031] The energy-absorbing buffer groove column 213 is slidably connected with a buffer rod 216, one end of the buffer rod 216 is fixedly connected with a buffer energy-absorbing spring 1 217 between the ball 215, the other end of the buffer rod 216 passes through the energy-absorbing buffer groove column 213 and extends to the outside of the energy-absorbing chamber, the energy-absorbing buffer groove column 213 is fixedly connected with a buffer energy-absorbing spring 218, and the buffer energy-absorbing spring 218 is sleeved on the outer wall of the buffer rod 216;

[0032] The other end of the buffer rod 216 is fixedly connected with a piston block 219 that slides with the energy absorption chamber;

[0033] The inner wall of the energy absorption chamber is integrally connected with a stop limit convex body 2111, which is used to limit the moving point of the piston block 219. The inner wall of the energy absorption chamber between the piston block 219 and the stop limit convex body 2111 is provided with energy release grooves 2110 at equal intervals around the circumference.

[0034] In the present embodiment, energy absorption measures are designed at the milling cutter processing part of the blade assembly 1 to avoid the tool bouncing phenomenon. A ball 215 is provided inside the drill bit, and the ball 215 moves in the ball groove body 214. When the tool generates a relatively large amplitude vibration due to excessive force, the buffer rod 216 is used to slide inside the energy absorption buffer groove column 213, and the energy absorption spring 1 217 and the energy absorption spring 218 cooperate to transfer energy to the piston block 219 through the buffer rod 216, so that the piston block 219 moves, and then the energy is gradually released along the energy release groove 2110, so as to avoid the tool bouncing phenomenon and improve the accuracy of workpiece processing.

[0035] Example 2

[0036] On the basis of Example 1, a preferred embodiment of a CNC-processed polarizer long-edge milling cutter provided by the utility model is as follows: Figure 1-4 As shown:

[0037] The handle assembly 3 includes: a handle column 311, which is integrally connected to the mounting position of the blade body assembly 1; a mounting seat 312, which is integrally connected to the end of the handle column 311; a connecting protrusion 313, which is integrally connected to the middle position of the mounting seat 312; a mounting column 314, which is used to be installed on the mounting seat 312; a four-way positioning groove is opened on the mounting seat 312, and a cross mounting groove seat 315 is fixedly installed on the end of the mounting column 314, and a lateral positioning block 316 is fixedly installed on the cross mounting groove seat 315, and is respectively installed on the connecting protrusion 313 and the mounting seat 312 by means of No. 1 bolt and nut 317, and No. 2 bolt and nut 318.

[0038] In this embodiment, by designing a cross mounting slot 315 and a lateral positioning block 316, they can be installed on the connecting protrusion 313 and the mounting seat 312 respectively through No. 1 bolts and nuts 317 and No. 2 bolts and nuts 318, that is, the long-edge milling cutter is installed on the base, thereby achieving the installation effect.

[0039] During use, when it is necessary to drill, expand and operate the surface of the polarizer, the mounting column 314 is installed on the connecting protrusion 313 and the mounting seat 312 by means of No. 1 bolt and nut 317, No. 2 bolt and nut 318, that is, the long-edge milling cutter is installed on the base, and at the same time, a rotating device is connected to the rear part of the base to rotate the long-edge milling cutter, thereby driving the drill bit to rotate. At this time, the drill bit has a ball 215 inside, and the ball 215 moves in the ball groove body 214. When the tool produces a relatively large amplitude vibration due to excessive force, the buffer rod 216 is used to slide inside the energy absorption buffer groove column 213, and through the dual cooperation of the buffer energy absorption spring 1 217 and the buffer energy absorption spring 218, the energy is transferred to the piston block 219 through the buffer rod 216, prompting the piston block 219 to move, and then gradually release the energy along the energy release groove 2110, so as to avoid the phenomenon of tool bouncing and improve the accuracy of workpiece processing.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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-controlled polarizer long-edge milling cutter, comprising a blade assembly (1), a tool tip assembly (2) arranged at a milling cutter processing position of the blade assembly (1), and a tool handle assembly (3) arranged at a mounting position of the blade assembly (1), characterized in that: The blade assembly (1) comprises: a vertical body mounting wall (111), the blade assembly (1) is composed of a plurality of spiral vertical body mounting walls (111), and is formed with a plurality of chip removal grooves (113), each of the vertical body mounting walls (111) is provided with a plurality of heat dissipation holes (112), and the chip removal grooves (113) are respectively integrally formed with a convex base body (114) and a curved surface body (115); The knife tip assembly (2) comprises: A pointed drill bit (211) is integrally connected to the milling cutter processing portion of the blade assembly (1); The handle assembly (3) comprises: A knife handle column (311) is integrally connected to the installation position of the knife body assembly (1); A mounting seat (312) integrally connected to the end of the handle column (311); A connecting protrusion (313) integrally connected to the middle position of the mounting seat (312); The mounting post (314) is used for being mounted on the mounting seat (312).

2. The CNC-controlled polarizer long-edge milling cutter according to claim 1, characterized in that: An energy absorption chamber is provided inside the pointed drill bit (211), and a mounting ring body (212) is fixedly installed inside the energy absorption chamber. An energy absorption buffer groove column (213) is built into the mounting ring body (212). A ball groove body (214) is integrally connected to the end of the energy absorption buffer groove column (213), and a ball (215) is movably arranged inside the ball groove body (214).

3. The CNC-controlled polarizer long-edge milling cutter according to claim 2, characterized in that: A buffer rod (216) is slidably connected inside the energy absorption buffer slot column (213), a buffer energy absorption spring (217) is fixedly connected between one end of the buffer rod (216) and the ball (215), and the other end of the buffer rod (216) passes through the energy absorption buffer slot column (213) and extends to the outside of the energy absorption chamber.

4. The CNC-controlled polarizer long-edge milling cutter according to claim 2, characterized in that: A second energy-absorbing buffer spring (218) is fixedly connected inside the energy-absorbing buffer slot column (213), and the second energy-absorbing buffer spring (218) is sleeved on the outer wall of the buffer rod (216).

5. The CNC-processed polarizer long-edge milling cutter according to claim 3, characterized in that: The other end of the buffer rod (216) is fixedly connected to a piston block (219) that slides with the energy absorption chamber.

6. The CNC-controlled polarizer long-edge milling cutter according to claim 2, characterized in that: The inner wall of the energy absorption chamber is integrally connected with a stop limit convex body (2111) for limiting the moving point of the piston block (219), and energy release grooves (2110) are equidistantly provided on the inner wall of the energy absorption chamber between the piston block (219) and the stop limit convex body (2111).

7. The CNC-controlled polarizer long-edge milling cutter according to claim 1, characterized in that: The mounting seat (312) is provided with a four-way positioning groove, and a cross mounting groove seat (315) is fixedly installed at the end of the mounting column (314). A lateral positioning block (316) is fixedly installed on the cross mounting groove seat (315), and is respectively installed on the connecting protrusion (313) and the mounting seat (312) by means of a No. 1 bolt and a nut (317) and a No. 2 bolt and a nut (318).

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