Polishing and grinding machine

Abstract

The utility model discloses a polishing and grinding machine which comprises a driving base, a first grinding wheel, a second grinding wheel and a dust collection device, the first grinding wheel and the second grinding wheel are symmetrically arranged on the driving base, the dust collection device is arranged on the driving base, and the other end of the dust collection device is arranged on one side of the first grinding wheel and one side of the second grinding wheel in an extending mode. A protective panel is arranged on the first polishing wheel, a scraping assembly is arranged on the protective panel in a sliding mode, the scraping assembly comprises a sliding seat, an elastic part, a positioning rod, a clamping plate and a scraping strip, a movable opening is formed in the protective panel, the elastic part and the sliding seat are installed in the movable opening, the positioning rod is screwed on the movable opening, and the scraping strip is arranged on the clamping plate in an inserted connection mode. According to the polishing and grinding machine, under the condition that operation of equipment is not affected, the protective cover can be cleaned, chippings and dust are prevented from affecting the sight of operators, and safety accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a polishing grinder. Background Art

[0002] The full name of the grinder is reciprocating electric polishing grinder. It is widely used in finishing and surface polishing in the mold industry. It is a substitute for similar pneumatic products. There are certain safety risks in the use of the grinder. Except for skilled maintenance personnel, no one else is allowed to use it. Traditional polishing grinders still have certain problems and defects in the use process. During the use of the polishing grinder, debris and dust will continue to accumulate on the protective cover, resulting in blurred vision for the operator, and the equipment needs to be paused for wiping and cleaning, which poses certain safety hazards and low operating efficiency. Utility Model Content

[0003] The utility model aims to provide a polishing and grinding machine, which can clean the protective cover without affecting the operation of the equipment, prevent debris and dust from affecting the sight of operators, and avoid the occurrence of safety accidents.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a polishing and grinding machine comprises a driving base, a first grinding wheel, a second grinding wheel and a dust suction device, the first grinding wheel and the second grinding wheel are symmetrically arranged on the driving base, one end of the dust suction device is connected to the driving base, and the other end is extended to one side of the first grinding wheel and the second grinding wheel, a protective panel is provided on the first grinding wheel, and a scraping assembly is slidably arranged on the protective panel, and the scraping assembly comprises a sliding seat, an elastic member, a positioning rod, a splint and a scraping strip which are symmetrically arranged respectively, a movable opening is opened on the protective panel, the elastic member and the sliding seat are installed in the movable opening, the positioning rod passes through the elastic member and the sliding seat in turn and is screwed on the movable opening, the scraping strip is plugged into the splint, and both ends of the splint are installed on the sliding seat by fasteners and pressed against the protective panel.

[0005] Preferably, the movable opening is provided with a first screw hole and a mounting through hole matched with the positioning rod in sequence from top to bottom, and the positioning rod passes through the mounting through hole in sequence and is screwed into the first screw hole.

[0006] Preferably, the elastic member is sleeved on the positioning rod and arranged in the movable opening, the sliding seat is provided with a first plug hole adapted to the positioning rod, one side of the sliding seat forms a pressure contact with the elastic member, and the other side fits on the first screw hole.

[0007] Preferably, a second screw hole is provided on the sliding seat, a positioning protrusion is provided on the clamping plate, a second plugging hole corresponding to the second screw hole is provided on the positioning protrusion, and the fastener passes through the second plugging hole in sequence and is tightened in the second screw hole.

[0008] Preferably, the scraper strip is provided with a sliding protrusion and an abutment portion, the sliding portion is connected to the abutment portion in a T-shape, and a sliding groove matched with the sliding protrusion is provided on the clamping plate.

[0009] Preferably, the scraper strip is made of rubber.

[0010] Preferably, the protective panel is made of transparent plastic material.

[0011] Compared with the prior art, the beneficial effect of the utility model is as follows: when there are debris and dust on the protective panel, the splint facing the operator is slid downward, and the front and back of the protective panel are cleaned simultaneously through the scraper strips on the splint. The splint drives the sliding seat to apply a downward force to the elastic part. When the cleaning operation is completed, the splint can be loosened, and the elastic part releases the restoring force to reset the splint. The protective cover can be cleaned without affecting the operation of the equipment, thereby preventing debris and dust from affecting the operator's line of sight and avoiding the occurrence of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a partial cross-sectional view of the protective panel and the scraping assembly of the utility model;

[0014] Figure 3 This is an exploded view of the structure of the splint, base and scraper strip of the utility model;

[0015] Figure 4 It is an enlarged view of part B of the utility model;

[0016] Figure 5 It is an enlarged view of part A of the utility model;

[0017] In the figure: 1. driving base; 2. first grinding wheel; 3. second grinding wheel; 4. dust suction device; 5. protective panel; 8. scraper assembly; 9. sliding seat; 10. elastic member; 11. positioning rod; 12. clamping plate; 13. scraper strip; 14. movable opening; 15. fastener; 16. first screw hole; 17. mounting through hole; 18. first plug hole; 19. second screw hole; 20. positioning protrusion; 21. second plug hole; 23. sliding protrusion; 24. abutment portion; 25. slide groove. DETAILED DESCRIPTION

[0018] 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.

[0019] Example: As attached Figures 1 to 5 The polishing and grinding machine shown in the figure comprises a driving base 1, a first grinding wheel 2, a second grinding wheel 3 and a dust suction device 4, wherein the first grinding wheel 2 and the second grinding wheel 3 are symmetrically arranged on the driving base 1, one end of the dust suction device 4 is connected to the driving base 1, and the other end is extended to one side of the first grinding wheel 2 and the second grinding wheel 3, a protective panel 5 is arranged on the first grinding wheel 2, and a scraping assembly 8 is slidably arranged on the protective panel 5, and the scraping assembly 8 comprises a sliding seat 9, an elastic member 10, a positioning rod 11, a clamping plate 12 and a scraping strip 13 which are symmetrically arranged respectively (the sliding seat 9, the elastic member 10, and the positioning rod 11 are symmetrically arranged in the transverse direction, and the clamping plate 12 and the scraping strip 13 are symmetrically arranged in the longitudinal direction), and a movable opening 14 is opened on the protective panel 5, and the elastic member 10 and the sliding seat 9 are installed in the movable opening 14 The positioning rod 11 passes through the elastic member 10 and the sliding seat 9 in turn and is tightened on the movable opening 14. The scraper strip 13 is plugged and arranged on the clamp plate 12. The two ends of the clamp plate 12 are installed on the sliding seat 9 through fasteners 15 (specifically bolts) and pressed against the protective panel 5. When there are debris and dust on the protective panel 5, the clamp plate 12 facing the operator is slid downward and moved. The front and back sides of the protective panel 5 are cleaned simultaneously through the scraper strip 13 on the clamp plate 12. The clamp plate 12 drives the sliding seat 9 to apply a downward force to the elastic member 10. When the cleaning operation is completed, the clamp plate 12 can be loosened, and the elastic member 10 releases the restoring force, so that the clamp plate 12 is reset. The protective cover can be cleaned without affecting the operation of the equipment, so as to prevent debris and dust from affecting the operator's line of sight and avoid the occurrence of safety accidents.

[0020] As attached Figure 3 and attached Figure 4 As shown, the movable opening 14 is provided with a first screw hole 16 and a mounting through hole 17 matched with the positioning rod 11 from top to bottom, and the positioning rod 11 passes through the mounting through hole 17 in sequence and is screwed into the first screw hole 16 (a matching stud is provided on one side of the first screw hole 16 of the positioning rod 11), and the positioning rod 11 is provided to form a limiting support for the elastic member 10 (specifically a spring) and the sliding seat 9, while stabilizing the sliding stroke of the sliding seat 9.

[0021] As attached Figure 2As shown, the elastic member 10 is sleeved on the positioning rod 11 and arranged in the movable opening 14. The sliding seat 9 is provided with a first plug hole 18 adapted to the positioning rod 11. One side of the sliding seat 9 forms a pressure abutment with the elastic member 10, and the other side is fitted on the first screw hole 16. The sliding seat 9 slides through the first plug hole 18, and the positioning rod 11 is used to form a pressure abutment and elastic reset with the elastic member 10.

[0022] As attached Figure 4 As shown, a second screw hole 19 is provided on the sliding seat 9, and a positioning protrusion 20 (which is an integrated structure and is arranged at both ends of the clamping plate 12) is provided on the clamping plate 12. A second plug hole 21 corresponding to the second screw hole 19 is provided on the positioning protrusion 20. The fastener 15 passes through the second plug hole 21 in turn and is tightened in the second screw hole 19, which is convenient for replacing the scraper 13 on the clamping plate 12. The bolt fixing method is convenient for installation and has a stable structure.

[0023] As attached Figure 5 As shown, the scraper strip 13 is provided with a sliding protrusion 23 and an abutment portion 24 (an integrated structure), the sliding portion is connected to the abutment portion 24 in a T-shape, and the clamping plate 12 is provided with a sliding groove 25 adapted to the sliding protrusion 23. The abutment portion 24 is used to scrape the anti-slip panel, and the sliding protrusion 23 cooperates with the sliding groove 25 to play a role of positioning support.

[0024] As attached Figure 5 As shown, the scraper strip 13 is made of rubber material, which can avoid scratching the protective panel 5. At the same time, the scraper strip 13 made of rubber material has a better scraping effect.

[0025] As attached Figure 1 As shown, the protective panel 5 is made of transparent plastic material, and the use of transparent material is convenient for operation observation.

[0026] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.

Claims

1. A polishing machine, comprising a driving base (1), a first grinding wheel (2), a second grinding wheel (3) and a dust collecting device (4), wherein the first grinding wheel (2) and the second grinding wheel (3) are symmetrically arranged on the driving base (1), one end of the dust collecting device (4) is connected to the driving base (1), and the other end is extended to one side of the first grinding wheel (2) and the second grinding wheel (3), characterized in that: The first grinding wheel (2) is provided with a protective panel (5), and a scraping assembly (8) is slidably provided on the protective panel (5), and the scraping assembly (8) comprises a sliding seat (9), an elastic member (10), a positioning rod (11), a clamping plate (12) and a scraping strip (13) which are symmetrically arranged respectively. A movable opening (14) is opened on the protective panel (5), and the elastic member (10) and the sliding seat (9) are installed in the movable opening (14). The positioning rod (11) passes through the elastic member (10) and the sliding seat (9) in sequence and is screwed on the movable opening (14). The scraping strip (13) is plugged and arranged on the clamping plate (12), and the two ends of the clamping plate (12) are installed on the sliding seat (9) through fasteners (15) and pressed against the protective panel (5).

2. A polishing and grinding machine according to claim 1, characterized in that: The movable opening (14) is provided with a first screw hole (16) and a mounting through hole (17) matched with the positioning rod (11) in sequence from top to bottom, and the positioning rod (11) passes through the mounting through hole (17) in sequence and is screwed into the first screw hole (16).

3. A polishing and grinding machine according to claim 2, characterized in that: The elastic member (10) is sleeved on the positioning rod (11) and arranged in the movable opening (14); the sliding seat (9) is provided with a first plug hole (18) adapted to the positioning rod (11); one side of the sliding seat (9) is in pressure contact with the elastic member (10), and the other side is in contact with the first screw hole (16).

4. A polishing and grinding machine according to claim 1, characterized in that: The sliding seat (9) is provided with a second screw hole (19), the clamping plate (12) is provided with a positioning protrusion (20), the positioning protrusion (20) is provided with a second plug hole (21) corresponding to the second screw hole (19), and the fastener (15) passes through the second plug hole (21) in sequence and is screwed into the second screw hole (19).

5. The polishing and grinding machine according to claim 1, characterized in that: The scraper strip (13) is provided with a sliding protrusion (23) and an abutment portion (24); the sliding protrusion (23) is connected to the abutment portion (24) in a T-shape; and the clamping plate (12) is provided with a sliding groove (25) matched with the sliding protrusion (23).

6. A polishing and grinding machine according to claim 1, characterized in that: The scraper strip (13) is made of rubber material.

7. The polishing and grinding machine according to claim 1, characterized in that: The protective panel (5) is made of transparent plastic material.

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