A grinding device for the corners of mechanical parts

Abstract

The present invention relates to the technical field of grinding devices, and specifically to a grinding device for grinding the edges and corners of mechanical parts, comprising a mounting frame, a receiving groove provided in the center of the bottom of the mounting frame, and a mounting groove provided on one side above the mounting frame; and further comprising: an adjustable bending grinding component, movably arranged in the receiving groove; the adjustable bending grinding component is driven by a servo motor to rotate under the drive of a connecting shaft, so that the mechanical parts attached to the adjustable bending grinding component can be ground, and the air pressure generated by the air pump is transmitted to the adjustable bending grinding component through an air pipe, so that the bending amplitude of the adjustable bending grinding component can be effectively adjusted. By changing different bending amplitudes, the edges and corners of different mechanical parts can be ground, and at the same time, the grinding efficiency of the edges and corners and the entire surface of the mechanical parts can be improved through linear grinding, thereby improving the flexibility of part grinding.

Description

Technical Field

[0001] The present invention relates to the technical field of grinding devices, and in particular to equipment for grinding corners of mechanical parts. Background Art

[0002] Mechanical parts need to be polished on their surfaces after production. Since the edges and other ends of mechanical parts often need to be chamfered or rounded, they need to be polished during the processing to improve the accuracy of the assembly process. In the process of grinding mechanical parts, the following problems usually occur in the patent. See publication number CN115922474A, which discloses a mechanical processing part edge and corner grinding device, including a workbench, two first straight plates are fixedly connected to the two sides of the upper end of the workbench, and the inner ends of the two first straight plates are rotatably connected to a reciprocating threaded rod 1, and the outer surface of the reciprocating threaded rod 1 is threadedly connected to two vertical plates, and the right side of the vertical plate is installed with the edge and corner grinding device body. Although the patent can adaptively adjust to clamp mechanical processing parts of different specifications and sizes, thereby improving the grinding range of the edge and corner grinding device, there is still a problem that it is difficult to achieve point grinding and line grinding in the process of grinding chamfers or fillets of different parts, which affects the flatness after grinding. Therefore, in the long-term research and development testing process: the grinding device in the existing technology is difficult to meet the grinding requirements of different edge and corner positions. Since the contact between the parts and the grinding is point contact, it is difficult to improve the grinding efficiency of the edges and corners of mechanical parts and the entire surface through linear grinding. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to provide a grinding device for the edges and corners of mechanical parts to solve the problem that it is difficult to improve the grinding efficiency of the edges and corners and the entire surface of mechanical parts through linear grinding.

[0004] The driving gear of the present invention is fixedly mounted on the driving member, and the driving gear is mounted on a transmission gear of the transmission gear. The driving gear is mounted on a transmission gear of the transmission gear. The driving gear is engaged with the driving gear and the transmission gear is engaged with the driving gear.

[0005] Among them, the servo motor drives the active gear to rotate, and drives the driven gear to rotate with the help of the transmission action of the transmission gear, and the adjustable bending grinding component is driven by the connecting shaft to rotate to grind the mechanical parts. During the rotation process, the adjustable bending grinding component is supplied with gas by the air pump, and the air pressure is transmitted to the adjustable bending grinding component through the air pipe to cause the adjustable bending grinding component to bend, and the edges and corners of different mechanical parts are polished by changing different bending amplitudes.

[0006] Preferably, the adjustable bending grinding assembly includes: multiple grinding discs, and universal joints fixedly installed in the middle of both sides of the outer periphery of the grinding discs. Any two adjacent grinding discs are connected by a universal joint, one end of the universal joint on the side grinding disc is fixedly connected to the connecting shaft, and one end of the universal joint on the other side grinding disc is fixedly installed with a rotating shaft, and the rotating shaft is movably inserted into the other end of the bottom of the mounting frame.

[0007] Preferably, a fixed plate is fixedly installed in the middle of both sides of the outer periphery of the grinding disc, a plurality of elastic positioning parts are fixedly installed on the upper inner side of the accommodating groove, a positioning cover is fixedly installed on the bottom of the elastic positioning part, the positioning cover is movably sleeved on the outer periphery of the grinding disc, and the fixed plates on both sides of the outer periphery of the grinding disc slide in fit with the positioning cover; a fan-shaped airbag is fixedly installed between any two adjacent positioning covers, one end of the air pipe penetrates into the accommodating groove and is fixedly connected to the fan-shaped airbag, and the air pipe transports gas into the fan-shaped airbag to change the degree of expansion of the fan-shaped airbag.

[0008] Preferably, a plurality of positioning balls are embedded between the inner side of the positioning cover and the adjacent side of the fixing plate, and the fixing plate is limited to the bottom end of the inner side of the positioning cover by the positioning balls.

[0009] Preferably, a delivery tube is fixedly connected to the top of the fan-shaped airbag, a solenoid valve is fixedly installed at one end of the delivery tube, and one end of the solenoid valve is fixedly connected to the air pipe.

[0010] Preferably, a connection cover is fixedly mounted on the bottom of the other side of the periphery of the mounting frame, and a spring is rotatably connected to one side of the interior of the connection cover through a bearing, and one end of the spring is fixedly connected to the rotating shaft.

[0011] Preferably, reserved grooves are provided on both sides of the interior of the accommodating groove, a partition is fixedly installed on one end of the top of the mounting frame, and a handle is fixedly sleeved on one side of the upper middle portion of the mounting frame.

[0012] Preferably, a protective cover is fixedly mounted on one side of the outer periphery of the mounting frame, and the protective cover is sleeved on the outer peripheries of the driving gear, the transmission gear, and the driven gear.

[0013] The beneficial effects of the present invention are as follows: the driving gear is driven to rotate by the servo motor, and the driven gear is driven to rotate by the transmission action of the transmission gear, and the adjustable bending grinding assembly is driven by the connecting shaft to rotate, so that the mechanical parts attached to the adjustable bending grinding assembly can be polished. In the process of polishing the parts, the air pressure generated by the air pump is transmitted to the adjustable bending grinding assembly through the air pipe, which can effectively adjust the bending amplitude of the adjustable bending grinding assembly. By changing the different bending amplitudes, the edges and corners of different mechanical parts can be polished, thereby effectively meeting the polishing requirements of different edge and corner positions. At the same time, the polishing efficiency of the edges and corners of mechanical parts and the entire surface can be improved through linear polishing, thereby improving the flexibility of part polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0016] Figure 2 This is a schematic diagram of a half-section structure of the mounting frame of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the grinding disc of the present invention;

[0018] Figure 4 This is a schematic diagram of the fan-shaped airbag structure of the present invention;

[0019] Figure 5 It is a schematic diagram of the main half-section structure of the present invention.

[0020] The markings in the figure are: 1. Mounting frame; 11. Receiving groove; 12. Mounting groove; 2. Servo motor; 21. Driving gear; 22. Transmission gear; 23. Connecting shaft; 24. Driven gear; 25. Protective cover; 3. Air pump; 31. Air cover; 32. Air pipe; 4. Grinding disc; 41. Fixed disc; 42. Universal joint; 5. Elastic positioning part; 51. Positioning cover; 52. Positioning ball; 53. Fan-shaped airbag; 54. Delivery pipe; 55. Solenoid valve; 6. Rotating shaft; 61. Connecting cover; 62. Spring; 7. Reserved groove; 71. Partition; 72. Handle. DETAILED DESCRIPTION

[0021] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to specific embodiments.

[0022] Example 1:

[0023] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, a grinding device for the edges and corners of mechanical parts comprises: a mounting frame 1, a receiving slot 11 provided in the center of the bottom of the mounting frame 1, and a mounting slot 12 provided on one side above the mounting frame 1, and the mounting slot 12 can reserve installation space through the installation slot 12, so as to facilitate the robot or manual picking up and installation in the workshop; it also comprises: an adjustable bending grinding component, which is movably arranged in the receiving slot 11, and reserved slots 7 are provided on both sides of the interior of the receiving slot 11, and the reserved slots 7 can provide extension space for the adjustable bending grinding component in the bending state, and a partition 71 is fixedly installed on one end of the top of the mounting frame 1 by bolts, and a handle 72 is fixedly sleeved on one side of the middle part of the upper part of the mounting frame 1 by bolts, and the handle 72 can further facilitate the user or the robot in the workshop to pick up and clamp; a servo motor 2 is fixedly installed at one end inside the mounting slot 12 by bolts, and the power output end of the servo motor 2 passes through the mounting frame 1 and is fixedly installed with a driving gear 21 by bolts, and the outer surface of the mounting frame 1 A transmission gear 22 is rotatably installed on the middle part of one side through a bearing, and the transmission gear 22 is meshed with the driving gear 21. A connecting shaft 23 is rotatably inserted at one end of the bottom of the mounting frame 1, and one end of the connecting shaft 23 passes through the mounting frame 1 and is fixedly installed with a driven gear 24 by bolts. The driven gear 24 is meshed with the transmission gear 22. A protective cover 25 is fixedly installed on one side of the outer periphery of the mounting frame 1 by bolts. The protective cover 25 is sleeved on the outer periphery of the driving gear 21, the transmission gear 22, and the driven gear 24, thereby playing a role in dust protection. The end of the connecting shaft 23 away from the driven gear 24 is fixedly connected to the adjustable bending grinding assembly by bolts; the air pump 3 is fixedly installed on one end of the top of the mounting frame 1 by bolts, and an air cover 31 is fixedly installed on the output end of the air pump 3 by bolts. A plurality of air pipes 32 are fixedly inserted at the bottom of one side of the air cover 31 by bolts, and the ends of the plurality of air pipes 32 penetrate into the accommodating groove 11 and are fixedly connected to the adjustable bending grinding assembly by bolts.

[0024] Among them, the driving gear 21 is driven to rotate by the servo motor 2, and the transmission effect of the transmission gear 22 can drive the driven gear 24 to rotate, and the adjustable bending grinding component is driven by the connecting shaft 23 to rotate, so that the mechanical parts attached to the adjustable bending grinding component can be polished. In the process of polishing the parts, the air pressure generated by the air pump 3 is transmitted to the adjustable bending grinding component through the air pipe 32, which can effectively adjust the bending amplitude of the adjustable bending grinding component. By changing the different bending amplitudes, the edges and corners of different mechanical parts can be polished, thereby effectively meeting the polishing requirements of different corner positions. At the same time, the polishing efficiency of the corners and entire surfaces of mechanical parts can be improved through linear polishing, thereby improving the flexibility of part polishing.

[0025] Example 2:

[0026] The difference from the previous embodiment is that the adjustable bending grinding assembly includes: multiple grinding discs 4, and universal shafts 42 fixedly installed on the middle part of both sides of the outer periphery of the grinding discs 4 by bolts, any two adjacent grinding discs 4 are connected by the universal shaft 42, one end of the universal shaft 42 on the side grinding disc 4 is fixedly connected to the connecting shaft 23 by bolts, and one end of the universal shaft 42 on the other side grinding disc 4 is fixedly installed with a rotating shaft 6 by bolts, and the rotating shaft 6 is movably inserted into the other end of the bottom of the mounting frame 1.

[0027] Among them, multiple grinding discs 4 are connected in a linear manner through a universal joint 42, so that multiple grinding discs 4 are on the same rotation axis, and then the driving action of the servo motor 2 can synchronously drive multiple grinding discs 4 to perform rotational grinding. Through the rotating shaft 6 and the connecting shaft 23 provided on the mounting frame 1, multiple grinding discs 4 can be rotatably connected to the accommodating groove 11, thereby facilitating the grinding processing of mechanical parts.

[0028] A fixed plate 41 is fixedly installed on the middle part of both sides of the outer periphery of the grinding disc 4 by bolts, and a plurality of elastic positioning members 5 are fixedly installed on the upper inner side of the accommodating groove 11 by bolts. A positioning cover 51 is fixedly installed on the bottom of the elastic positioning member 5 by bolts. The positioning cover 51 is movably sleeved on the outer periphery of the grinding disc 4, and the fixed plates 41 on both sides of the outer periphery of the grinding disc 4 slide in fit with the positioning cover 51. A plurality of positioning balls 52 are inlaid between the inner side of the positioning cover 51 and the adjacent side of the fixed plate 41, and the fixed plate 41 is limited to the inner bottom end of the positioning cover 51 by the positioning balls 52; a fan-shaped air bag 53 is fixedly installed between any two adjacent positioning covers 51 by bolts, and one end of the air pipe 32 penetrates into the accommodating groove 11 and is fixedly connected to the fan-shaped air bag 53 by bolts, and the air pipe 32 transports gas to the fan-shaped air bag 53 to change the degree of expansion of the fan-shaped air bag 53.

[0029] Among them, through the fixed plates 41 provided on both sides of each grinding disc 4, the positioning cover 51 is rotated and sleeved on the two fixed plates 41 through the limiting action of the positioning balls 52, so that the fan-shaped airbags 53 can effectively position multiple grinding discs 4 in the accommodating grooves 11 when they are in a compressed state. At the same time, a fan-shaped airbag 53 is provided between two adjacent positioning covers 51, and the air is transported to the fan-shaped airbag 53 by the air pump 3 located on the mounting frame 1 with the help of the air pipe 32, thereby increasing the air pressure in the fan-shaped airbag 53 and making it expand, and then the swing angle of the grinding disc 4 located on both sides of the fan-shaped airbag 53 can be effectively adjusted, so that each grinding disc 4 located in the accommodating groove 11 can form a virtual grinding arc, thereby realizing the grinding of chamfered or rounded corners of larger mechanical parts, further improving the grinding efficiency of the corners of mechanical parts, and meeting the grinding needs of mechanical parts with various rounded corners.

[0030] Example 3:

[0031] The difference from the second embodiment is that, in this embodiment, a delivery tube 54 is fixedly connected to the top of the fan-shaped airbag 53 by bolts, and a solenoid valve 55 is fixedly installed at one end of the delivery tube 54 by bolts, and one end of the solenoid valve 55 is fixedly connected to the air pipe 32 by bolts; a connecting cover 61 is fixedly installed at the bottom of the other side of the outer periphery of the mounting frame 1 by bolts, and a spring 62 is rotatably connected to the inner side of the connecting cover 61 through a bearing, and one end of the spring 62 is fixedly connected to the rotating shaft 6 by bolts.

[0032] Among them, by providing an electromagnetic valve 55 on the delivery tube 54 on each fan-shaped airbag 53 and connecting the electromagnetic valve 55 with the air pipe 32, each fan-shaped airbag 53 can achieve an independent control effect when expanding and contracting through the air pipe 32, thereby allowing users to be more fitted when polishing the fillets or chamfers of larger mechanical parts, further improving the polishing efficiency of corners and improving the flexibility of polishing different parts.

[0033] Working principle: When in use, the servo motor 2 drives the active gear 21 to rotate, and the transmission gear 22 can drive the driven gear 24 to rotate, and the connecting shaft 23 drives each grinding disc 4 to rotate. The multiple grinding discs 4 are connected in a linear manner through the universal joint 42, so that the multiple grinding discs 4 are on the same rotation axis, and then the driving action of the servo motor 2 can synchronously drive the multiple grinding discs 4 to perform rotational grinding. A fan-shaped air bag 53 is provided between two adjacent positioning covers 51, and the air pump 3 located on the mounting frame 1 is used to push the fan 53 with the help of the air pipe 32. The gas is transported into the fan-shaped airbag 53, thereby increasing the air pressure in the fan-shaped airbag 53 and causing it to expand, and then the swing angle of the grinding disc 4 located on both sides of the fan-shaped airbag 53 can be effectively adjusted, so that each grinding disc 4 located in the accommodating groove 11 can form a virtual grinding arc, thereby realizing the grinding of the chamfered or rounded corners of larger mechanical parts. By providing an electromagnetic valve 55 on the delivery pipe 54 on each fan-shaped airbag 53 and connecting the electromagnetic valve 55 with the air pipe 32, each fan-shaped airbag 53 can achieve an independent control effect when expanding and contracting through the air pipe 32.

Claims

1. A grinding device for the edges and corners of mechanical parts, comprising: A mounting frame (1), a receiving groove (11) provided at the center of the bottom of the mounting frame (1), and a mounting groove (12) provided on one side above the mounting frame (1); characterized in that it further comprises: An adjustable bending grinding component is movably arranged in the accommodating groove (11); A servo motor (2) is fixedly mounted at one end inside the mounting slot (12); a driving gear (21) is fixedly mounted on the power output end of the servo motor (2) through the mounting frame (1); a transmission gear (22) is rotatably mounted on the middle portion of one side of the outer periphery of the mounting frame (1); the transmission gear (22) is meshed with the driving gear (21); a connecting shaft (23) is rotatably plugged into one end of the bottom of the mounting frame (1); a driven gear (24) is fixedly mounted on one end of the connecting shaft (23) through the mounting frame (1); the driven gear (24) is meshed with the transmission gear (22); and one end of the connecting shaft (23) away from the driven gear (24) is fixedly connected to the adjustable bending grinding assembly; An air pump (3) is fixedly mounted on one end of the top of the mounting frame (1); an air hood (31) is fixedly mounted on the output end of the air pump (3); a plurality of air pipes (32) are fixedly plugged into the bottom of one side of the air hood (31); the ends of the plurality of air pipes (32) are inserted into the receiving groove (11) and fixedly connected to the adjustable bending polishing assembly; The servo motor (2) drives the driving gear (21) to rotate, and the driven gear (24) is driven to rotate by the transmission effect of the transmission gear (22). The adjustable bending grinding component is driven by the connecting shaft (23) to rotate so as to grind the mechanical parts. During the rotation process, the adjustable bending grinding component is supplied with gas by the air pump (3), and the air pressure is transmitted to the adjustable bending grinding component through the air pipe (32) to cause the adjustable bending grinding component to bend. By changing different bending amplitudes, the edges and corners of different mechanical parts are grinded.

2. A grinding device for mechanical parts corners according to claim 1, characterized in that: The adjustable bending grinding component includes: A plurality of grinding discs (4) and universal shafts (42) fixedly mounted on the middle of both sides of the outer periphery of the grinding discs (4), any two adjacent grinding discs (4) are connected via the universal shafts (42), one end of the universal shaft (42) on the grinding disc (4) on one side is fixedly connected to the connecting shaft (23), and one end of the universal shaft (42) on the grinding disc (4) on the other side is fixedly mounted with a rotating shaft (6), and the rotating shaft (6) is movably plugged into the other end of the bottom of the mounting frame (1).

3. A grinding device for mechanical parts corners according to claim 2, characterized in that: A fixed disk (41) is fixedly installed at the middle of both sides of the outer periphery of the grinding disk (4), a plurality of elastic positioning members (5) are fixedly installed on the upper inner side of the accommodating groove (11), a positioning cover (51) is fixedly installed at the bottom of the elastic positioning member (5), and the positioning cover (51) is movably sleeved on the outer periphery of the grinding disk (4), and the fixed disks (41) on both sides of the outer periphery of the grinding disk (4) are fitted and slid with the positioning cover (51); A fan-shaped air bag (53) is fixedly installed between any two adjacent positioning covers (51), one end of the air pipe (32) penetrates into the accommodating groove (11) and is fixedly connected to the fan-shaped air bag (53), and the air pipe (32) transports gas into the fan-shaped air bag (53) to change the expansion degree of the fan-shaped air bag (53).

4. A grinding device for mechanical parts corners according to claim 3, characterized in that: A plurality of positioning balls (52) are embedded between the inner side of the positioning cover (51) and the adjacent side of the fixed disk (41), and the fixed disk (41) is confined to the inner bottom end of the positioning cover (51) by the positioning balls (52).

5. The grinding device for mechanical parts corners according to claim 3, characterized in that: A delivery pipe (54) is fixedly connected to the top of the fan-shaped air bag (53), and a solenoid valve (55) is fixedly installed at one end of the delivery pipe (54), and one end of the solenoid valve (55) is fixedly connected to the air pipe (32).

6. The grinding device for mechanical parts corners according to claim 5, characterized in that: A connecting cover (61) is fixedly mounted on the bottom of the other side of the outer periphery of the mounting frame (1), and a spring (62) is rotatably connected to one side of the interior of the connecting cover (61) via a bearing, and one end of the spring (62) is fixedly connected to the rotating shaft (6).

7. The grinding device for mechanical parts corners according to claim 1, characterized in that: Reserved grooves (7) are provided on both sides of the interior of the accommodating groove (11), a partition (71) is fixedly mounted on one end of the top of the mounting frame (1), and a handle (72) is fixedly sleeved on one side of the upper middle portion of the mounting frame (1).

8. The grinding device for mechanical parts corners according to claim 1, characterized in that: A protective cover (25) is fixedly mounted on one side of the outer periphery of the mounting frame (1), and the protective cover (25) is sleeved on the outer peripheries of the driving gear (21), the transmission gear (22), and the driven gear (24).

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