Straight edge angle grinder

Abstract

The utility model belongs to the technical field of angle lapping machines, and particularly relates to a straight edge angle lapping machine which comprises a working table and a movable plate, a supporting column is fixedly installed at the top of the working table, a fixed table is fixedly installed at the top of the supporting column, a fixed column is fixedly installed at the top of the working table, and a hydraulic rod is fixedly installed at the bottom of the fixed column. And a fixing ring is fixedly installed at the output end of the hydraulic rod, an extrusion plate is fixedly installed at the bottom of the fixing ring, a threaded rod is installed in the extrusion plate in a threaded mode, and a handle is fixedly installed at the top of the threaded rod. A movable plate is mounted in a clamping groove, the depth of the clamping groove is five centimeters, the movable plate in the clamping groove cannot shake, and edge grinding cannot be affected, the first gear and the second rack can be meshed due to the fact that the clamping tooth pitch of the first gear is the same as that of the second gear, and the clamping tooth pitch of the second gear and the first rack is the same as that of the second gear. The second gear is meshed with the first rack.

Description

Technical Field

[0001] The utility model belongs to the technical field of angle grinders, and in particular relates to a straight-edge angle grinder. Background Art

[0002] Angle grinder is a small precision machine tool specially used for grinding angles in mold manufacturing, hardware machinery, machine tool manufacturing, hydraulic parts, valve manufacturing, textile machinery, and removing burrs from products processed by milling and planing. The use of fast machine angle grinding is the development trend of the machinery industry. It overcomes the processing shortcomings of existing machinery and electric tools, and has the advantages of convenience, speed and accuracy. Angle grinding is divided into straight chamfering and curved chamfering.

[0003] In the process of using the angle grinder, most of the time only one or several fixed angles can be used, and the angles for grinding parts are relatively few. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a straight-edge angle grinder, which solves the problem that the angle grinder cannot freely change the grinding angle.

[0005] To achieve the above object, the utility model provides the following technical solution: a straight edge angle grinder, comprising a workbench and a movable plate, a support column is fixedly installed on the top of the workbench, and a fixed platform is fixedly installed on the top of the support column;

[0006] A fixed column is fixedly installed on the top of the workbench, and a hydraulic rod is fixedly installed on the bottom of the fixed column;

[0007] A fixing ring is fixedly installed at the output end of the hydraulic rod, and an extrusion plate is fixedly installed at the bottom of the fixing ring;

[0008] A threaded rod is installed on the internal thread of the extrusion plate, and a handle is fixedly installed on the top of the threaded rod;

[0009] A fixed plate is rotatably mounted on the outside of the threaded rod, and a No. 1 rack is fixedly mounted on the top of the workbench;

[0010] A slot is provided on the top of the workbench, and a second rack is fixedly mounted on one side of the movable plate.

[0011] Preferably, a slide groove is provided inside the second rack, and a slider is slidably installed inside the slide groove;

[0012] A fixing frame is fixedly installed on one side of the slider, a No. 1 motor support is fixedly installed on one side of the fixing frame, and a No. 1 motor is fixedly installed inside the No. 1 motor support;

[0013] A gear No. 1 is fixedly mounted on the output end of the No. 1 motor, and a rotating shaft is rotatably mounted inside the fixed frame;

[0014] A No. 2 motor support is rotatably mounted on one end of the rotating shaft, and a No. 2 motor is fixedly mounted inside the No. 2 motor support;

[0015] A grinding piece is fixedly installed on the output end of the second motor, and a support for the third motor is fixedly installed on one side of the movable plate;

[0016] The No. 3 motor is fixedly installed inside the No. 3 motor support, and the No. 2 gear is fixedly installed at the output end of the No. 3 motor.

[0017] Preferably, the movable plate is located inside the card slot, and the depth of the card slot is five centimeters.

[0018] Preferably, the tooth pitch of the first gear and the second rack is the same, and the tooth pitch of the second gear and the first rack is the same.

[0019] Preferably, a rotating shaft is fixedly installed inside the grinding piece, and one end of the rotating shaft is rotatably installed inside the fixing frame.

[0020] Preferably, six supporting legs are fixedly installed on the bottom of the workbench, and the six supporting legs are installed in a rectangular array.

[0021] Preferably, there are two sliders and two grinding pieces, and the interval between the two sliders is smaller than the interval between the two grinding pieces.

[0022] Preferably, there are four threaded rods, which are rotatably mounted inside the fixed plate in a rectangular array.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. The straight-edge angle grinder is installed with a movable plate inside the slot, and the depth of the slot is 5 cm, so that the movable plate in the slot will not shake and affect the edge grinding. The pitch of the teeth of the No. 1 gear and the No. 2 rack are the same, and the pitch of the teeth of the No. 2 gear and the No. 1 rack are the same, so that the No. 1 gear and the No. 2 rack are meshed, and the No. 2 gear and the No. 1 rack are meshed. The rotating shaft is fixedly installed inside the grinding piece, and one end of the rotating shaft is rotatably installed inside the fixed frame, so that the grinding piece can be fixed by the fixed frame.

[0025] 2. The straight-edge angle grinder can be placed on the ground by means of six supporting feet installed in a rectangular array at the bottom of the workbench. By making the interval between the two sliders smaller than the interval between the two grinding pieces, the two grinding pieces can be prevented from contacting each other when the two sliders slide in contact, thereby preventing the two grinding pieces from being damaged by mutual friction. By rotating four threaded rods installed inside the fixed plate in a rectangular array, the fixed plate can be lowered when the threaded rods are rotated. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention, and together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation on the present invention. In the drawings:

[0027] Figure 1 It is a complete structural schematic diagram of the utility model;

[0028] Figure 2 It is a left view of the utility model;

[0029] Figure 3 It is a partial enlarged view of A in the utility model.

[0030] In the figure: 1. workbench; 2. movable plate; 3. support column; 4. fixed table; 5. fixed column; 6. hydraulic rod; 7. fixed ring; 8. extrusion plate; 9. threaded rod; 10. handle; 11. fixed plate; 12. No. 1 rack; 13. slot; 14. No. 2 rack; 15. slide; 16. slide block; 17. fixed frame; 18. No. 1 motor support; 19. No. 1 motor; 20. No. 1 gear; 21. rotating shaft; 22. No. 2 motor support; 23. No. 2 motor; 24. grinding part; 25. No. 3 motor support; 26. No. 3 motor; 27. No. 2 gear. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-3 The utility model provides the following technical solutions: a straight edge angle grinder, comprising a workbench 1 and a movable plate 2, a support column 3 is fixedly installed on the top of the workbench 1, and a fixed platform 4 is fixedly installed on the top of the support column 3;

[0033] A fixed column 5 is fixedly installed on the top of the workbench 1, and a hydraulic rod 6 is fixedly installed on the bottom of the fixed column 5;

[0034] A fixing ring 7 is fixedly installed at the output end of the hydraulic rod 6, and an extrusion plate 8 is fixedly installed at the bottom of the fixing ring 7;

[0035] A threaded rod 9 is installed on the inner thread of the extrusion plate 8, and a handle 10 is fixedly installed on the top of the threaded rod 9;

[0036] A fixed plate 11 is rotatably mounted on the outside of the threaded rod 9, and a rack 12 is fixedly mounted on the top of the workbench 1;

[0037] A slot 13 is provided on the top of the workbench 1 , and a second rack 14 is fixedly mounted on one side of the movable plate 2 .

[0038] In this embodiment, by installing the movable plate 2 inside the card slot 13, and the depth of the card slot 13 is 5 cm, the movable plate 2 in the card slot 13 will not shake, which will affect the edge grinding. By making the first gear 20 and the second rack 14 have the same card tooth pitch, and the second gear 27 and the first rack 12 have the same card tooth pitch, the first gear 20 can be meshed with the second rack 14, and the second gear 27 can be meshed with the first rack 12. A rotating shaft is fixedly installed inside the grinding member 24, and one end of the rotating shaft is rotatably installed on the fixed frame 17. Inside, the grinding piece 24 can be fixed by the fixing frame 17, and the angle grinder can be placed on the ground by means of six supporting feet installed in a rectangular array at the bottom of the workbench 1. By making the interval between the two sliders 16 smaller than the interval between the two grinding pieces 24, the two grinding pieces 24 can be prevented from contacting each other when the two sliders 16 slide in contact, thereby preventing the two grinding pieces 24 from being damaged by mutual friction. By rotating the four threaded rods 9 installed in a rectangular array inside the fixing plate 11, the fixing plate 11 can be lowered when the threaded rods 9 are rotated.

[0039] Specifically, a slide groove 15 is provided inside the second rack 14, and a slider 16 is slidably installed inside the slide groove 15;

[0040] A fixing frame 17 is fixedly mounted on one side of the slider 16, a No. 1 motor support 18 is fixedly mounted on one side of the fixing frame 17, and a No. 1 motor 19 is fixedly mounted inside the No. 1 motor support 18;

[0041] A first gear 20 is fixedly mounted on the output end of the first motor 19, and a rotating shaft 21 is rotatably mounted inside the fixed frame 17;

[0042] A second motor support 22 is rotatably mounted on one end of the rotating shaft 21, and a second motor 23 is fixedly mounted inside the second motor support 22;

[0043] A grinding piece 24 is fixedly mounted on the output end of the second motor 23, and a third motor support 25 is fixedly mounted on one side of the movable plate 2;

[0044] A third motor 26 is fixedly mounted inside the third motor support 25 , and a second gear 27 is fixedly mounted at the output end of the third motor 26 .

[0045] Specifically, the movable plate 2 is located inside the slot 13, and the depth of the slot 13 is five centimeters. By installing the movable plate 2 inside the slot 13, and the depth of the slot 13 is five centimeters, the movable plate 2 in the slot 13 will not shake, which will affect the edge grinding.

[0046] Specifically, the first gear 20 has the same tooth pitch as the second rack 14, and the second gear 27 has the same tooth pitch as the first rack 12. By having the first gear 20 and the second rack 14 have the same tooth pitch, and the second gear 27 and the first rack 12 have the same tooth pitch, the first gear 20 can be meshed with the second rack 14, and the second gear 27 can be meshed with the first rack 12.

[0047] Specifically, a rotating shaft is fixedly installed inside the grinding piece 24, and one end of the rotating shaft is rotatably installed inside the fixed frame 17. By fixing the rotating shaft inside the grinding piece 24 and one end of the rotating shaft is rotatably installed inside the fixed frame 17, the grinding piece 24 can be fixed by the fixed frame 17.

[0048] Specifically, six supporting feet are fixedly installed at the bottom of the workbench 1, and the six supporting feet are installed in a rectangular array. The angle grinder can be placed on the ground through the six supporting feet installed in a rectangular array at the bottom of the workbench 1.

[0049] Specifically, there are two sliders 16 and two grinding pieces 24, and the interval between the two sliders 16 is smaller than the interval between the two grinding pieces 24. By making the interval between the two sliders 16 smaller than the interval between the two grinding pieces 24, the two grinding pieces 24 can be prevented from contacting each other when the two sliders 16 slide in contact, thereby preventing the two grinding pieces 24 from being damaged by friction with each other.

[0050] Specifically, there are four threaded rods 9 , which are rotatably installed in a rectangular array inside the fixed plate 11 . The fixed plate 11 can be lowered when the threaded rods 9 are rotated by rotating the four threaded rods 9 installed in a rectangular array inside the fixed plate 11 .

[0051] The working principle or use process of the utility model: when the utility model is in use, the original part to be processed is placed on the fixed table 4, and then the hydraulic rod 6 is started to press the original part, and then the threaded rod 9 is rotated by the handle 10 to adjust the fixed plate 11, and then the No. 1 motor 19 is started to rotate the No. 1 gear 20, and the No. 2 rack 14 is meshed with the No. 1 gear 20, and then the sliding block 16 is slid inside the slide groove 15 to move the fixed frame 17, and then the No. 2 motor 23 is turned on to rotate the grinding piece 24 to grind the original part. When a part of the original part is polished, the No. 1 motor 19 is started to lift the grinding piece 24 and then the No. 3 motor 26 is started to rotate the No. 2 gear 27. The No. 1 rack 12 is meshed with the No. 2 gear 27, so that the movable plate can be moved and then the grinding piece 24 can be moved, and then the No. 1 motor 19 is turned on to move downward for grinding until the grinding is completed. Among them, the electrical equipment in this equipment is all externally powered and the operation and shutdown are controlled by the matching control switch.

[0052] Finally, it should be noted that the above is only the preferred embodiment of the utility model, and is not intended to limit the utility model. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, technicians in the field can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein by equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A straight edge angle grinder, comprising a workbench (1) and a movable plate (2), characterized in that: A support column (3) is fixedly mounted on the top of the workbench (1), and a fixed platform (4) is fixedly mounted on the top of the support column (3); A fixed column (5) is fixedly installed on the top of the workbench (1), and a hydraulic rod (6) is fixedly installed on the bottom of the fixed column (5); A fixing ring (7) is fixedly mounted on the output end of the hydraulic rod (6), and an extrusion plate (8) is fixedly mounted on the bottom of the fixing ring (7); A threaded rod (9) is installed on the internal thread of the extrusion plate (8), and a handle (10) is fixedly installed on the top of the threaded rod (9); A fixed plate (11) is rotatably mounted on the outside of the threaded rod (9), and a first rack (12) is fixedly mounted on the top of the workbench (1); A slot (13) is provided on the top of the workbench (1), and a second rack (14) is fixedly mounted on one side of the movable plate (2).

2. A straight edge angle grinder according to claim 1, characterized in that: The second rack (14) is provided with a slide groove (15) inside, and a slider (16) is slidably installed inside the slide groove (15); A fixing frame (17) is fixedly mounted on one side of the sliding block (16), a No. 1 motor support (18) is fixedly mounted on one side of the fixing frame (17), and a No. 1 motor (19) is fixedly mounted inside the No. 1 motor support (18); A first gear (20) is fixedly mounted on the output end of the first motor (19), and a rotating shaft (21) is rotatably mounted inside the fixed frame (17); A No. 2 motor support (22) is rotatably mounted on one end of the rotating shaft (21), and a No. 2 motor (23) is fixedly mounted inside the No. 2 motor support (22); A grinding piece (24) is fixedly mounted on the output end of the second motor (23), and a third motor support (25) is fixedly mounted on one side of the movable plate (2); A No. 3 motor (26) is fixedly mounted inside the No. 3 motor support (25), and a No. 2 gear (27) is fixedly mounted on the output end of the No. 3 motor (26).

3. The straight edge angle grinder according to claim 1, characterized in that: The movable plate (2) is located inside the card slot (13), and the depth of the card slot (13) is five centimeters.

4. A straight edge angle grinder according to claim 2, characterized in that: The first gear (20) and the second rack (14) have the same tooth pitch, and the second gear (27) and the first rack (12) have the same tooth pitch.

5. The straight edge angle grinder according to claim 2, characterized in that: A rotating shaft is fixedly installed inside the grinding piece (24), and one end of the rotating shaft is rotatably installed inside the fixing frame (17).

6. The straight edge angle grinder according to claim 1, characterized in that: Six supporting legs are fixedly mounted on the bottom of the workbench (1), and the six supporting legs are mounted in a rectangular array.

7. The straight edge angle grinder according to claim 2, characterized in that: The number of the sliding blocks (16) and the number of the grinding pieces (24) are two, and the interval between the two sliding blocks (16) is smaller than the interval between the two grinding pieces (24).

8. The straight edge angle grinder according to claim 1, characterized in that: There are four threaded rods (9) in number, which are rotatably mounted inside the fixed plate (11) in a rectangular array.

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