Cutter polishing device for numerical control milling machine

Abstract

A cutter polishing device for a numerical control milling machine relates to the technical field of polishing devices and is characterized in that fixing plates are respectively arranged on the outer sides of limiting plates, and a rotating motor is fixed on the fixing plate on the left rear side; the other limiting plates are connected with the fixed plate through shafts and bearings; the double-end motors are respectively fixed at the front and back of the base and are connected with an external power supply; two output shafts of the double-end motor are connected with screws, and the screws are connected with the base through bearing seats. The internal thread pipes are screwed and sleeved on the screw rods through threads, and the bottoms of the internal thread pipes are movably propped against the base; dust generated during polishing can fall into a dust collection box to be sucked away during polishing, and pollution is reduced; the belt is convenient to replace, the use during working is not influenced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a tool grinding device for a numerically controlled milling machine. Background Art

[0002] When grinding the tool of a CNC milling machine, a grinding belt is generally used. The dust generated when the grinding belt is used is not easy to be discharged, which is easy to cause pollution. The grinding belt also needs to be replaced regularly, and the grinding belt that is easy to replace is easy to loosen. Therefore, a tool grinding device for a CNC milling machine is proposed. Summary of the invention

[0003] The purpose of the utility model is to provide a tool grinding device for a CNC milling machine in view of the defects and shortcomings of the prior art, so as to solve the above problems.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: it comprises a base, a grinding belt, a transmission roller, a limit plate and a rotating motor; the base is provided with a grinding belt, and two left and right transmission rollers are sleeved in the grinding belt, and the limit plates are fixed to the front and rear of the transmission rollers; the limit plate on the left rear side is provided with a rotating motor, the output shaft of the rotating motor is connected to the limit plate, and the rotating motor is connected to an external power supply;

[0005] It also contains:

[0006] The number of the fixing plates is four and they are respectively arranged on the outside of the limiting plates. The rotating motor is fixed on the fixing plate on the left rear side. The remaining limiting plates are connected to the fixing plates through shafts and bearings.

[0007] A double-headed motor, wherein the number of the double-headed motors is two and they are fixed at the front and rear of the base respectively, and the double-headed motor is connected to an external power supply; screws are connected to the two output shafts of the double-headed motor, and the screws are connected to the base through a bearing seat;

[0008] Internally threaded tubes, the number of which is four and which are respectively sleeved on the screw rods through threaded connection, and the bottom of the internally threaded tubes is movably supported on the base;

[0009] A No. 1 connecting rod, the number of which is two and fixed to the two internally threaded tubes at the rear side respectively, and the upper end of the No. 1 connecting rod is connected to the two fixing plates at the rear side;

[0010] The adjusting mechanism is two in number and is respectively connected to the internally threaded tube on the front side and the fixing plate;

[0011] A vacuum cleaner, the vacuum cleaner is fixed on the base, the vacuum cleaner is arranged on the rear side of the double-head motor, and the vacuum cleaner is connected to an external power supply;

[0012] Dust collection box, the number of the dust collection boxes is two, and they are respectively arranged in the grinding belt, and the air inlet end of the vacuum cleaner is connected to the rear side of the dust collection box through a pipeline;

[0013] A support frame, wherein the support frame is arranged at the rear side of the vacuum cleaner, and a rotating mechanism is arranged at the bottom of the support frame;

[0014] Electric push rods, the number of which is three and which are respectively fixed at the middle of the bottom of the support frame and the upper ends of the left and right side walls; the electric push rods are connected to an external power supply;

[0015] Arc plates, there are two of them, and they are respectively arranged above and below the support frame, the lower arc plate is connected to the movable end of the middle electric push rod; rubber pads are fixed on the opposite surfaces of the two arc plates by glue; both sides of the upper arc plate are connected to the movable ends of the left and right electric push rods through connecting plates.

[0016] Preferably, the adjustment mechanism comprises:

[0017] A second connecting rod, the second connecting rod being fixed on the internally threaded tube at the front side;

[0018] A third connecting rod, the third connecting rod being fixed to the bottom of the front fixing plate;

[0019] A support rod, wherein the support rod is arranged between the second connecting rod and the third connecting rod;

[0020] There are two adjusting plates, which are respectively screwed to the outer side walls of the second connecting rod and the third connecting rod through shafts and bearings;

[0021] A number one hand-tightened bolt is screwed through the adjustment plate through a thread and then screwed with the adjustment rod through a thread.

[0022] Preferably, the dust collection box is arranged to be inclined from low to high from inside to outside.

[0023] Preferably, the rotating mechanism comprises:

[0024] An adjusting ball, wherein the adjusting ball is fixed at the bottom of the supporting frame;

[0025] A fixed seat, in which the adjusting ball is movably embedded;

[0026] A No. 2 hand-tightening bolt, after being screwed through the fixing seat by means of a thread, has its inner end abutted against the adjusting ball.

[0027] Preferably, a scale marking layer is provided on the adjusting ball.

[0028] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a tool grinding device for a CNC milling machine, which can allow the dust generated by grinding to fall into a dust collection box and be sucked away during grinding, thereby reducing pollution; the belt is easy to replace and does not affect the use during work, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0030] Figure 1 It is a southwest isometric view of the utility model.

[0031] Figure 2 yes Figure 1 Enlarged view of part A in .

[0032] Figure 3 This is the northwest isometric view of the utility model

[0033] Figure 4 yes Figure 3 Enlarged view of part B in .

[0034] Description of reference numerals:

[0035] Base 1, grinding belt 2, transmission roller 3, limit plate 4, rotating motor 5, fixing plate 6, double-headed motor 7, screw 8, internal threaded tube 9, No. 1 connecting rod 10, adjustment mechanism 11, No. 2 connecting rod 11-1, No. 3 connecting rod 11-2, support rod 11-3, adjustment plate 11-4, No. 1 hand-tightening bolt 11-5, vacuum cleaner 12, dust box 13, pipeline 14, support frame 15, rotating mechanism 16, adjusting ball 16-1, scale identification layer 16-2, fixing seat 16-3, No. 2 hand-tightening bolt 16-4, electric push rod 17, arc plate 18, rubber pad 19, connecting plate 20. DETAILED DESCRIPTION

[0036] The utility model is further described below in conjunction with the accompanying drawings.

[0037] See also Figure 1-4 It comprises a base 1, a grinding belt 2, a transmission roller 3, a limit plate 4 and a rotating motor 5; the base 1 is provided with a grinding belt 2, and the grinding belt 2 is provided with two left and right transmission rollers 3, and the front and rear of the transmission rollers 3 are fixed with limit plates 4 by bolts; the limit plate 4 on the left rear side is provided with a rotating motor 5, and the output shaft of the rotating motor 5 is connected to the limit plate 4, and the rotating motor 5 is connected to an external power supply;

[0038] It also contains:

[0039] The fixing plates 6 are four in number and are respectively arranged on the outside of the limiting plates 4. The rotating motor 5 is fixed to the fixing plate 6 on the left rear side by bolts; the remaining limiting plates 4 are connected to the fixing plate 6 by shafts and bearings;

[0040] The double-headed motor 7 is two in number and is respectively fixed to the front and rear of the base 1 by bolts. The double-headed motor 7 is connected to an external power supply. The specific model of the double-headed motor 7 is purchased and installed directly from the market according to actual use requirements. The two output shafts of the double-headed motor 7 are connected with screws 8, and the screws 8 are connected to the base 1 through a bearing seat.

[0041] Internally threaded tubes 9, the number of the internally threaded tubes 9 is four, and they are respectively sleeved on the screw rod 8 through threaded connection, and the bottom of the internally threaded tubes 9 is movably supported on the base 1;

[0042] A No. 1 connecting rod 10, wherein the number of the No. 1 connecting rod 10 is two and they are fixed to the two internally threaded tubes 9 at the rear side by bolts respectively, and the upper end of the No. 1 connecting rod 10 is connected to the two fixing plates 6 at the rear side by bolts;

[0043] The adjusting mechanism 11 is two in number and is respectively connected to the internally threaded tube 9 on the front side and the fixing plate 6; the adjusting mechanism 11 comprises:

[0044] A second connecting rod 11-1, wherein the second connecting rod 11-1 is fixed to the internally threaded tube 9 on the front side by bolts;

[0045] A third connecting rod 11-2, wherein the third connecting rod 11-2 is fixed to the bottom of the front fixing plate 6 by bolts;

[0046] A support rod 11-3, wherein the support rod 11-3 is disposed between the second connecting rod 11-1 and the third connecting rod 11-2;

[0047] Adjustment plates 11-4, the number of the adjustment plates 11-4 is two, and they are respectively screwed on the outer side walls of the second connecting rod 11-1 and the third connecting rod 11-2 through shafts and bearings;

[0048] A number one hand-tightening bolt 11-5, wherein the number one hand-tightening bolt 11-5 passes through the adjusting plate 11-4 through a threaded connection and is then screwed to the adjusting rod through a threaded connection;

[0049] A vacuum cleaner 12, wherein the vacuum cleaner 12 is fixed to the base 1 by bolts, and the vacuum cleaner 12 is arranged at the rear side of the double-head motor 7, and the vacuum cleaner 12 is connected to an external power supply. The specific use model of the vacuum cleaner 12 is directly purchased and installed from the market according to actual use requirements;

[0050] Dust collection box 13, the number of the dust collection box 13 is two, and each is arranged in the grinding belt 2, and the dust collection box 13 is arranged to be inclined from low to high from the inside to the outside; the air inlet end of the vacuum cleaner 12 is connected to the rear side of the dust collection box 13 through the pipe 14;

[0051] The support frame 15 is arranged at the rear side of the vacuum cleaner 12, and a rotating mechanism 16 is arranged at the bottom of the support frame 15. The rotating mechanism 16 includes:

[0052] An adjusting ball 16-1, wherein the adjusting ball 16-1 is fixed to the bottom of the supporting frame 15; a scale marking layer 16-2 is provided on the adjusting ball 16-1;

[0053] A fixed seat 16-3, wherein the adjusting ball 16-1 is movably embedded in the fixed seat 16-3;

[0054] A second hand-tightening bolt 16-4, wherein the second hand-tightening bolt 16-4 passes through the fixing seat 16-3 through a threaded connection, and the inner end thereof abuts against the adjusting ball 16-1;

[0055] The electric push rod 17, the number of the electric push rod 17 is three, and they are respectively fixed to the middle of the bottom and the upper ends of the left and right side walls of the support frame 15 by bolts; the electric push rod 17 is connected to an external power supply, and the specific use model of the electric push rod 17 is directly purchased, installed and used from the market according to actual use requirements;

[0056] There are two arc plates 18, which are respectively arranged above and below the support frame 15. The lower arc plate 18 is connected to the movable end of the middle electric push rod 17; rubber pads 19 are fixed to the opposite surfaces of the two arc plates 18 by glue; both sides of the upper arc plate 18 are connected to the movable ends of the left and right electric push rods 17 through connecting plates 20.

[0057] The working principle of this specific embodiment is as follows: place the tool between the arc plates 18, start the electric push rod 17, so that the tool is clamped between the rubber pads 19, the tool head of the tool extends into the grinding belt 2, rotate the adjusting ball 16-1, so that the angle of the tool head is convenient for grinding, and start the electric push rod 17 again, so that the tool head is against the grinding belt 2; start the rotating motor 5, so that the transmission roller 3 rotates, driving the grinding belt 2 for grinding, start the vacuum cleaner 12, and the dust generated by grinding falls into the dust box 13 and is sucked away; after a long period of use, start the double-headed motor 7, so that the screw 8 rotates, driving the internal threaded tube 9 to move inward, so that the grinding belt 2 is loosened, unscrew the number one hand-tightening bolt 11-5, and take out the support rod 11-3, so that the grinding belt 2 can be taken out for replacement.

[0058] After adopting the above structure, the beneficial effects of this specific implementation are:

[0059] 1. A dust box 13 and a dust collector 12 are provided, so that the dust generated by grinding can fall into the dust box 13 and be sucked away during grinding, thereby reducing pollution;

[0060] 2. The grinding belt 2 is easy to replace without affecting the use during work, thus improving practicality.

[0061] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A tool grinding device for a numerically controlled milling machine, comprising a base (1), a grinding belt (2), a transmission roller (3), a limit plate (4) and a rotating motor (5); the base (1) is provided with a grinding belt (2), the grinding belt (2) is provided with two left and right transmission rollers (3) in a sleeve, and the limit plates (4) are fixed to the front and rear of the transmission rollers (3); the limit plate (4) on the left rear side is provided with a rotating motor (5), the output shaft of the rotating motor (5) is connected to the limit plate (4), and the rotating motor (5) is connected to an external power supply; It is characterized in that It also contains: A fixing plate (6), wherein the fixing plates (6) are four in number and are respectively arranged on the outside of the limiting plates (4); the rotating motor (5) is fixed to the fixing plate (6) on the left rear side; the remaining limiting plates (4) are connected to the fixing plate (6) via shafts and bearings; A double-headed motor (7), wherein the number of the double-headed motors (7) is two and they are fixed at the front and rear of the base (1) respectively, and the double-headed motors (7) are connected to an external power source; screw rods (8) are connected to the two output shafts of the double-headed motor (7), and the screw rods (8) are connected to the base (1) via a bearing seat; Internally threaded tubes (9), the number of the internally threaded tubes (9) being four, and each of which is sleeved on the screw rod (8) through a threaded connection, and the bottom of the internally threaded tube (9) is movably supported on the base (1); A No. 1 connecting rod (10), wherein the number of the No. 1 connecting rod (10) is two and they are respectively fixed to the two internally threaded tubes (9) at the rear side, and the upper end of the No. 1 connecting rod (10) is connected to the two fixing plates (6) at the rear side; An adjusting mechanism (11), wherein the number of the adjusting mechanisms (11) is two and they are respectively connected to the internally threaded tube (9) on the front side and the fixing plate (6); A vacuum cleaner (12), wherein the vacuum cleaner (12) is fixed on the base (1), the vacuum cleaner (12) is arranged on the rear side of the double-head motor (7), and the vacuum cleaner (12) is connected to an external power source; Dust collection boxes (13), the number of the dust collection boxes (13) being two and each being arranged in the grinding belt (2), and the air inlet end of the dust collector (12) being connected to the rear side of the dust collection box (13) through a pipe (14); A support frame (15), wherein the support frame (15) is arranged on the rear side of the vacuum cleaner (12), and a rotating mechanism (16) is arranged at the bottom of the support frame (15); An electric push rod (17), wherein the number of the electric push rods (17) is three and they are respectively fixed at the middle of the bottom and the upper ends of the left and right side walls of the support frame (15); the electric push rods (17) are connected to an external power supply; The arc plates (18) are two in number and are respectively arranged above and below the support frame (15); the lower arc plate (18) is connected to the movable end of the middle electric push rod (17); rubber pads (19) are fixed to the opposite surfaces of the two arc plates (18) by gluing; and both sides of the upper arc plate (18) are connected to the movable ends of the left and right electric push rods (17) by connecting plates (20).

2. The tool grinding device for a CNC milling machine according to claim 1, characterized in that: The regulating mechanism (11) comprises: A second connecting rod (11-1), wherein the second connecting rod (11-1) is fixed to the internally threaded tube (9) at the front side; A third connecting rod (11-2), the third connecting rod (11-2) being fixed to the bottom of the front fixing plate (6); A support rod (11-3), wherein the support rod (11-3) is arranged between the second connecting rod (11-1) and the third connecting rod (11-2); An adjustment plate (11-4), wherein the number of the adjustment plates (11-4) is two and they are respectively screwed onto the outer side walls of the second connecting rod (11-1) and the third connecting rod (11-2) via shafts and bearings; A number one hand-tightened bolt (11-5), wherein the number one hand-tightened bolt (11-5) is screwed through the adjustment plate (11-4) through a thread and then screwed to the adjustment rod through a thread.

3. The tool grinding device for a CNC milling machine according to claim 1, characterized in that: The dust collection box (13) is arranged to be inclined from low to high from the inside to the outside.

4. The tool grinding device for a CNC milling machine according to claim 1, characterized in that: The rotating mechanism (16) comprises: An adjusting ball (16-1), wherein the adjusting ball (16-1) is fixed to the bottom of the supporting frame (15); A fixed seat (16-3), wherein the adjusting ball (16-1) is movably embedded in the fixed seat (16-3); A No. 2 hand-tightening bolt (16-4) is threadedly screwed through the fixing seat (16-3) and its inner end is abutted against the adjusting ball (16-1).

5. The tool grinding device for a CNC milling machine according to claim 4, characterized in that: A scale marking layer (16-2) is provided on the adjusting ball (16-1).

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