Protective plate for grinding turning tool blade

Abstract

The utility model relates to the technical field of turning blade grinding, in particular to a protective plate for turning blade grinding, which comprises an upper protective plate, a lower protective plate, a connecting frame and a positioning block which are arranged at the output end of a tool sharpener, a gap is reserved between the upper protective plate and the lower protective plate, the front end of the positioning block is abutted between the upper protective plate and the lower protective plate, and the rear end of the positioning block is fixedly connected onto the connecting frame. By changing the size of the positioning block, the distance between the upper protection plate and the lower protection plate is adjustable, the front angle of each turning blade is uniform, and the turning blades are smooth and attractive after being ground; the upper protection plate, the lower protection plate and the positioning block are fixed through the connecting frame; the inclined face of the bottom of the upper protection plate and the inclined face of the top of the lower protection plate are matched to form a knife sharpening groove, a turning blade is placed in the knife sharpening groove, a gap is formed in the corner of the turning blade and makes contact with the output end of the knife sharpener, and the situation that a worker holds the turning blade to make contact with the output end of the knife sharpener, and the hand is prone to being injured is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe blade grinding, in particular to a guard plate for lathe blade grinding. Background Art

[0002] Turning tools are mainly installed on various lathes and are used for processing external circles, internal holes, end faces, threads, grooves, etc. They are widely used. The turning blade of the cutting part is clamped on a mechanical clamp to cut the workpiece. After the turning blade is blunt, it needs to be ground in order to save costs.

[0003] When workers are grinding lathe blades, they usually hold the blades directly and grind them on the grinding wheel at the output end of the grinder. Sometimes they accidentally grind their fingers. At the same time, debris keeps splashing during the grinding process, which can easily cause safety hazards. Utility Model Content

[0004] In order to improve the problems existing in the grinding process of turning blades in the above-mentioned background technology, the utility model provides a guard plate for grinding turning blades.

[0005] The utility model provides a cutting blade grinding guard plate adopting the following technical solution:

[0006] A guard plate for grinding a turning blade comprises an upper guard plate, a lower guard plate, a connecting frame and a positioning block arranged at the output end of a sharpener, the connecting frame being arranged at the front sides of the upper guard plate and the lower guard plate and fixing the upper guard plate and the lower guard plate, a gap being present between the upper guard plate and the lower guard plate, a front end of the positioning block abutting between the upper guard plate and the lower guard plate, a rear end of the positioning block being fixedly connected to the connecting frame, and the upper guard plate, the lower guard plate and the positioning block being fixed by the connecting frame; an inclined surface at the bottom of the upper guard plate cooperates with an inclined surface at the top of the lower guard plate to form a sharpening groove, a turning blade is placed in the sharpening groove, a corner of the turning blade leaks out of the gap and contacts with the output end of the sharpener.

[0007] Furthermore, the inclination angle of the inclined surface at the bottom end of the upper guard plate is 25°, the inclination angle of the inclined surface at the top end of the lower guard plate is 65°, and the upper guard plate and the lower guard plate cooperate to form a 90° sharpening groove.

[0008] Furthermore, a protective shell is fixedly arranged on the inner side of the connection frame, the front end of the protective shell is open, and the protective shell is made of acrylic material.

[0009] Furthermore, the bottom end of the lower guard plate is fixed on the base plate, the lower guard plate is vertically connected to the base plate, and a reinforcing rib plate is arranged between the lower guard plate and the base plate to enhance the structural stability and ensure that the lower guard plate and the base plate are not vertically deformed after grinding; the base plate and the sharpener are both fixed to the base by bolts.

[0010] In summary, the utility model has the following beneficial technical effects:

[0011] 1. By setting a grinding guard at the output end of the sharpener, the turning blade is placed in the sharpening groove, and the corner of the turning blade is exposed for grinding, preventing workers from touching the output end of the sharpener with the turning blade held by hand, which may cause injuries to their hands.

[0012] 2. The distance between the upper guard plate and the lower guard plate is positioned by the positioning block, and the front angle of each turning blade is uniform, which is smooth and beautiful after grinding; a protective shell is fixed on the inner side of the connecting frame to prevent the splashing of debris caused by the grinding of the turning blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the installation of a guard plate for grinding a turning blade according to Embodiment 1 of the utility model;

[0014] Figure 2 This is a schematic structural diagram of a guard plate for grinding a turning blade according to Embodiment 1 of the utility model;

[0015] Figure 3 This is a front view of a guard plate for grinding a turning blade according to Embodiment 1 of the utility model;

[0016] Figure 4 It is a side sectional view of a guard plate for grinding a turning blade according to Embodiment 1 of the utility model;

[0017] Figure 5 This is a schematic diagram of the installation of a guard plate for grinding a turning blade according to Embodiment 2 of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the active components of Example 2 of the utility model.

[0019] Explanation of the accompanying reference numerals: 1. Upper guard plate; 2. Lower guard plate; 3. Connecting frame; 4. Positioning block; 5. Gap; 6. Sharpening groove; 7. Turning blade; 8. Sharpening machine; 9. Protective shell; 10. Bottom plate; 11. Reinforcing rib plate; 12. Bolt; 13. Base; 14. Movable component; 15. Swing arm; 16. Connecting rod; 17. Pressure block; 18. Handle; 19. Universal bearing. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-6 The utility model is described in further detail.

[0021] Utility model embodiment 1 discloses a guard plate for grinding a turning blade.

[0022] Reference Figure 1 , Figure 3 , Figure 4A guard plate for grinding a turning blade comprises an upper guard plate 1, a lower guard plate 2, a connecting frame 3 and a positioning block 4 arranged at the output end of a sharpener 8. The connecting frame 3 is arranged at the front side of the upper guard plate 1 and the lower guard plate 2 and fixes the upper guard plate 1 and the lower guard plate 2. There is a gap 5 between the upper guard plate 1 and the lower guard plate 2. The front end of the positioning block 4 abuts between the upper guard plate 1 and the lower guard plate 2. The rear end of the positioning block 4 is fixedly connected to the connecting frame 3. By changing the size of the positioning block 4, the distance of the gap 5 can be adjusted; the upper guard plate 1, the lower guard plate 2 and the positioning block 4 are fixed by the connecting frame 3; the inclined surface at the bottom of the upper guard plate 1 cooperates with the inclined surface at the top of the lower guard plate 2 to form a sharpening groove 6, in which a turning blade 7 is placed. There is a square hole in the middle of the connecting frame 3, and the turning blade 7 enters the sharpening groove 6 from the square hole; the corner of the turning blade 7 leaks out of the gap 5 and contacts with the output end of the sharpener 8.

[0023] Reference Figure 1 , Figure 3 , Figure 4 The inclination angle of the inclined surface at the bottom end of the upper guard plate 1 is 25°, and the inclination angle of the inclined surface at the top end of the lower guard plate 2 is 65°. The upper guard plate 1 and the lower guard plate 2 cooperate to form a 90° sharpening groove 6; the corner of the turning blade 7 is usually 90°, which cooperates with the 90° sharpening groove 6, and the 90° sharpening groove 6 realizes the positioning of the turning blade 7.

[0024] Reference Figure 2 A protective shell 9 is fixedly arranged on the inner side of the connecting frame 3, the front end of the protective shell 9 is open, and the protective shell 9 is made of acrylic material; acrylic is also called organic glass, which is a transparent polymer material with strong plasticity. In this embodiment, the protective shell 9 is a transparent acrylic plate.

[0025] Reference Figure 1 , Figure 2 The bottom end of the lower guard plate 2 is fixed on the base plate 10, and the lower guard plate 2 is vertically connected to the base plate 10, so that the upper guard plate 1 and the lower guard plate 2 can be placed parallel to the output end of the sharpener 8, and a reinforcing rib plate 11 is arranged between the lower guard plate 2 and the base plate 10; the base plate 10 and the sharpener 8 are fixed to the base 13 by bolts 12 to fix their positions.

[0026] The implementation principle of Example 1 of the utility model is as follows: the turning blade 7 uses an integral sintered structure, and the eight ridges on the front and rear end surfaces of the turning blade 7 are ground using the grinding wheel at the output end of the grinder 8. A grinding guard plate is set at the output end of the grinder 8, and the turning blade 7 is placed in the grinding groove 6. The corner of the turning blade 7 leaks out of the gap 5 between the upper guard plate 1 and the lower guard plate 2 for grinding.

[0027] Utility model embodiment 2 discloses a guard plate for grinding a turning blade.

[0028] Reference Figure 5 , Figure 6A guard plate for grinding a turning blade comprises an upper guard plate 1, a lower guard plate 2, a connecting frame 3 and a positioning block 4 arranged at the output end of a sharpener 8. The connecting frame 3 is arranged at the front side of the upper guard plate 1 and the lower guard plate 2 and fixes the upper guard plate 1 and the lower guard plate 2. There is a gap 5 between the upper guard plate 1 and the lower guard plate 2. The front end of the positioning block 4 abuts between the upper guard plate 1 and the lower guard plate 2. The rear end of the positioning block 4 is fixedly connected to the connecting frame 3. By changing the size of the positioning block 4, the distance of the gap 5 can be adjusted; the upper guard plate 1, the lower guard plate 2 and the positioning block 4 are fixed by the connecting frame 3; the inclined surface at the bottom of the upper guard plate 1 cooperates with the inclined surface at the top of the lower guard plate 2 to form a sharpening groove 6, in which a turning blade 7 is placed. There is a square hole in the middle of the connecting frame 3, and the turning blade 7 enters the sharpening groove 6 from the square hole; the corner of the turning blade 7 leaks out of the gap 5 and contacts with the output end of the sharpener 8.

[0029] Reference Figure 5 , Figure 6 The inclination angle of the inclined surface at the bottom end of the upper guard plate 1 is 25°, and the inclination angle of the inclined surface at the top end of the lower guard plate 2 is 65°. The upper guard plate 1 and the lower guard plate 2 cooperate to form a 90° sharpening groove 6; the corner of the turning blade 7 is usually 90°, which cooperates with the 90° sharpening groove 6, and the 90° sharpening groove 6 realizes the positioning of the turning blade 7.

[0030] Reference Figure 5 , Figure 6 The bottom end of the lower guard plate 2 is fixed on the base plate 10, and the lower guard plate 2 is vertically connected to the base plate 10, so that the upper guard plate 1 and the lower guard plate 2 can be placed parallel to the output end of the sharpener 8, and a reinforcing rib plate 11 is arranged between the lower guard plate 2 and the base plate 10; the base plate 10 and the sharpener 8 are fixed to the base 13 by bolts 12 to fix their positions.

[0031] Reference Figure 5 , Figure 6 A movable component 14 for fixing the cutting blade 7 is installed on one side of the connecting frame 3. The movable component 14 includes a swing arm 15 hinged on one side of the connecting frame 3. A universal bearing 19 is arranged at the front end of the swing arm 15, and the universal bearing 19 is sleeved on a connecting rod 16. A pressure block 17 is arranged at the front end of the connecting rod 16. The shape of the pressure block matches the cutting blade 7, and the pressure block presses the cutting blade 7; a handle 18 is arranged at the rear end of the connecting rod 16.

[0032] When the worker is grinding the turning blade 7, he holds the turning blade 7 and grinds it on the grinding wheel at the output end of the sharpener 8. Although the upper guard plate 1 and the lower guard plate 2 are used for protection, debris still splashes onto the hands, causing pain. The turning blade 7 is placed in the sharpening groove 6, and the swing arm 15 is used to move the pressure block 17. The turning blade 7 is pressed by the pressure block 17 and ground. The handle 18 and the universal bearing 19 are used to adjust the grinding position and angle of the turning blade 7. After the grinding is completed, the turning blade 7 is taken out without holding it, thereby improving the grinding process of the turning blade 7.

[0033] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A guard plate for grinding a turning blade, characterized in that: The invention comprises an upper guard plate (1), a lower guard plate (2), a connecting frame (3) and a positioning block (4) arranged at the output end of a knife sharpener (8); the connecting frame (3) is arranged at the front side of the upper guard plate (1) and the lower guard plate (2) and fixes the upper guard plate (1) and the lower guard plate (2); a gap (5) is provided between the upper guard plate (1) and the lower guard plate (2); the front end of the positioning block (4) abuts between the upper guard plate (1) and the lower guard plate (2); the rear end of the positioning block (4) is fixedly connected to the connecting frame (3); the inclined surface at the bottom of the upper guard plate (1) cooperates with the inclined surface at the top of the lower guard plate (2) to form a knife sharpening groove (6); a turning blade (7) is placed in the knife sharpening groove (6); the corner of the turning blade (7) leaks out of the gap (5) and contacts the output end of the knife sharpener (8).

2. The guard plate for grinding a turning blade according to claim 1, characterized in that: The inclined surface at the bottom end of the upper guard plate (1) has an inclination angle of 25°, and the inclined surface at the top end of the lower guard plate (2) has an inclination angle of 65°. The upper guard plate (1) and the lower guard plate (2) cooperate to form a 90° sharpening groove (6).

3. The guard plate for grinding a turning blade according to claim 1, characterized in that: A protective shell (9) is fixedly arranged on the inner side of the connection frame (3); the front end of the protective shell (9) is open, and the protective shell (9) is made of acrylic material.

4. The guard plate for grinding a turning blade according to claim 1, characterized in that: The bottom end of the lower guard plate (2) is fixed on the bottom plate (10), the lower guard plate (2) is vertically connected to the bottom plate (10), and a reinforcing rib plate (11) is provided between the lower guard plate (2) and the bottom plate (10); the bottom plate (10) and the knife sharpener (8) are both fixed on the base (13) by bolts (12).

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