Grinding head for grinding machine

Abstract

The utility model discloses a grinding head for a grinding machine, which belongs to the technical field of grinding machines and comprises a grinding head body, a grinding head sleeve is arranged on the upper side of the grinding head body, a baffle is arranged on the outer side of the grinding head sleeve, a motor shaft is arranged at the upper end of the grinding head sleeve, the motor shaft is connected with the grinding head sleeve through a screw, and positioning components are arranged on the lower sides of two ends of the motor shaft. By arranging the connecting assembly, when the grinding head body and the grinding head sleeve are installed, the sliding plate is pushed to slide on the fixing rod of the rectangular groove, the spring is compressed, then the baffle on the grinding head sleeve is placed into the grinding head body, the sliding plate is loosened, the spring elastically stretches to push the sliding plate to reset, and the grinding head body and the grinding head sleeve are installed. And one end of a clamping column at one end of the sliding plate enters a clamping hole of the grinding head body, the effect of limiting and fixing the grinding head body and the grinding head sleeve is achieved, and the grinding head body can be conveniently and rapidly disassembled, assembled and fixed by arranging the connecting assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinders, and in particular relates to a grinding head for a grinder. Background Art

[0002] A grinder is a machine that grinds the surface of a workpiece using a grinding tool coated or embedded with abrasives. It is mainly used to grind high-precision planes, internal and external cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other surfaces in the workpiece. The main types of grinders include disc grinders, rotary shaft grinders and various special grinders.

[0003] Chinese patent application No. 2014206746957 discloses a grinding head for a grinder, belonging to the field of metal polishing machine machinery, including a motor spindle, the motor spindle is fixedly connected to a grinding head sleeve, the grinding head sleeve is installed in the grinding head, a baffle is installed above the grinding head sleeve, the baffle is fixed in the grinding head, and an adjustment device is installed between the grinding head sleeve and the grinding head. The utility model solves the technical problem of low grinding quality caused by excessive pressure and uneven force on the grinding head in the prior art by adding an adjustment device between the grinding head and the grinding head sleeve, thereby ensuring the quality of the product.

[0004] The above-mentioned patent fixes the baffle on the grinding head sleeve to the grinding head body by bolts, which is not conducive to the quick disassembly, assembly and fixation of the grinding head body. At the same time, the original device does not have a positioning function between the motor shaft and the grinding head sleeve, and the screws are not conducive to passing through the grinding head sleeve and inserting into the fixing hole of the motor shaft. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a grinding head for a grinding machine, which has the characteristic of being easy to quickly disassemble, assemble and fix the grinding head body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding head for a grinding machine, comprising a grinding head body, a grinding head sleeve is arranged on the upper side of the grinding head body, a baffle is arranged on the outer side of the grinding head sleeve, a motor shaft is arranged on the upper end of the grinding head sleeve, the motor shaft and the grinding head sleeve are connected by screws, positioning components are arranged on the lower sides of both ends of the motor shaft, and the baffle and the grinding head body are connected by a connecting component.

[0007] Preferably, the connecting component includes a rectangular groove, a slide plate, a block, a slot, a hole, a fixing rod, a spring, a column and a locking component, wherein blocks are provided at both ends of the baffle, a slot corresponding to the block is provided at the upper end of the grinding head body, two rectangular grooves are provided in the baffle, a fixing rod is provided in the rectangular groove, a slide plate is slidably connected to the fixing rod, a spring is provided on the outside of the fixing rod at one end of the slide plate, a column is provided on the lower side of one end of the slide plate, a hole corresponding to the column is provided inside the grinding head body, and a locking component is provided at the position corresponding to the slide plate at the upper end of the baffle plate.

[0008] Preferably, the locking assembly includes a fixed plate, a rotating shaft, a rotating plate and a groove, wherein fixed plates are arranged at positions corresponding to the slide board on both sides of the upper end of the baffle, a rotating shaft is arranged at one end of the fixed plate, a rotating plate is arranged at the other end of the rotating shaft, and a groove is arranged at one end of the rotating plate.

[0009] Preferably, the upper end of the slide plate protrudes from the upper end of the baffle plate, the side edge of the slide plate is in close contact with the inner wall of the rectangular groove, and the rotating shaft and the fixed plate are connected by damping rotation.

[0010] Preferably, the positioning assembly includes convex strips, arc-shaped edges, strip grooves and rubber pads, wherein convex strips are arranged on the lower sides of both ends of the motor shaft, arc-shaped edges are arranged at the lower ends of the convex strips, strip grooves corresponding to the convex strips are arranged at the upper end of the grinding head sleeve, and rubber pads are arranged on the inner walls of the strip grooves.

[0011] Preferably, the rubber pad is bonded to the grinding head cover by glue, and after the convex strip enters the strip groove, the side edge of the convex strip is in close contact with the inner wall of the strip groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a connecting component. When the grinding head body and the grinding head cover are installed, the slide plate is pushed to slide on the fixed rod of the rectangular groove, the spring is compressed, and then the baffle on the grinding head cover is put into the grinding head body. The clamping blocks at both ends of the baffle plate enter the clamping groove of the grinding head body. Then the slide plate is released, the spring stretches and pushes the slide plate to reset, and one end of the clamping column at one end of the slide plate enters the clamping hole of the grinding head body, so as to achieve the effect of limiting and fixing the grinding head body and the grinding head cover. By setting the connecting component, it is convenient to quickly disassemble, assemble and fix the grinding head body, and because the motor shaft drives the grinding head cover to rotate outward with centrifugal force, the clamping column will not move out of the clamping hole.

[0014] 2. The utility model sets a positioning component. When the motor shaft is inserted into the grinding head sleeve, the convex strips on the lower sides of both ends of the motor shaft are inserted into the strip grooves through the arc edges. At the same time, the rubber pads in the strip grooves are squeezed. The positioning component can play a positioning role in the insertion of the motor shaft into the grinding head sleeve, thereby facilitating the subsequent screws to pass through the grinding head sleeve and be inserted into the fixing hole of the motor shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is an exploded stereogram of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the connection assembly of the utility model;

[0018] In the figure: 1. grinding head sleeve; 2. connecting assembly; 21. rectangular groove; 22. slide plate; 23. clamping block; 24. clamping groove; 25. clamping hole; 26. fixing rod; 27. spring; 28. clamping column; 29. ​​locking assembly; 291. fixing plate; 292. rotating shaft; 293. rotating plate; 294. groove; 3. screw; 4. motor shaft; 5. grinding head body; 6. positioning assembly; 61. convex strip; 62. arc edge; 63. strip groove; 64. rubber pad; 7. baffle. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a grinding head for a grinding machine, comprising a grinding head body 5, a grinding head cover 1 is arranged on the upper side of the grinding head body 5, a baffle 7 is arranged on the outer side of the grinding head cover 1, a motor shaft 4 is arranged on the upper end of the grinding head cover 1, the motor shaft 4 and the grinding head cover 1 are connected by screws 3, positioning components 6 are arranged on the lower sides of both ends of the motor shaft 4, and the baffle 7 and the grinding head body 5 are connected by a connecting component 2.

[0022] Specifically, the connecting component 2 includes a rectangular groove 21, a slide plate 22, a block 23, a groove 24, a hole 25, a fixing rod 26, a spring 27, a column 28 and a locking component 29, wherein blocks 23 are provided at both ends of the baffle 7, a groove 24 corresponding to the block 23 is provided at the upper end of the grinding head body 5, two rectangular grooves 21 are provided in the baffle 7, a fixing rod 26 is provided in the rectangular groove 21, a slide plate 22 is slidably connected to the fixing rod 26, a spring 27 is provided on the outside of the fixing rod 26 at one end of the slide plate 22, a column 28 is provided on the lower side of one end of the slide plate 22, a hole 25 corresponding to the column 28 is provided inside the grinding head body 5, and a locking component 29 is provided at the position corresponding to the slide plate 22 at the upper end of the baffle 7.

[0023] By adopting the above technical scheme, when the grinding head body 5 and the grinding head cover 1 are installed, the slide plate 22 is pushed to slide on the fixing rod 26 of the rectangular groove 21, and the spring 27 is compressed. Then, the baffle plate 7 on the grinding head cover 1 is placed into the grinding head body 5, and the clamping blocks 23 at both ends of the baffle plate 7 enter the clamping groove 24 of the grinding head body 5. Then, the slide plate 22 is released, and the spring 27 is extended to push the slide plate 22 to reset. One end of the clamping column 28 at one end of the slide plate 22 enters the clamping hole 25 of the grinding head body 5, so as to achieve the effect of limiting and fixing the grinding head body 5 and the grinding head cover 1. By setting the connecting component 2, it is convenient to quickly disassemble, assemble and fix the grinding head body 5, and because the motor shaft 4 drives the grinding head cover 1 to rotate outward by centrifugal force, the clamping column 28 will not move out of the clamping hole 25.

[0024] Specifically, the locking assembly 29 includes a fixed plate 291, a rotating shaft 292, a rotating plate 293 and a groove 294, wherein fixed plates 291 are arranged at positions corresponding to the slide plate 22 on both sides of the upper end of the baffle 7, a rotating shaft 292 is arranged at one end of the fixed plate 291, a rotating plate 293 is arranged at the other end of the rotating shaft 292, and a groove 294 is arranged at one end of the rotating plate 293.

[0025] By adopting the above technical solution, when the slide plate 22 does not need to slide, the rotating plate 293 is rotated by the groove 294, and the rotating plate 293 rotates on the fixed plate 291 through the rotating shaft 292. After the rotating plate 293 rotates to one side of the slide plate 22, the slide plate 22 can be limited to avoid accidental pulling of the slide plate 22.

[0026] Specifically, the upper end of the slide plate 22 protrudes from the upper end of the baffle plate 7, the side of the slide plate 22 is in close contact with the inner wall of the rectangular groove 21, and the rotating shaft 292 is connected to the fixed plate 291 through damping rotation.

[0027] By adopting the above technical solution, the upper end of the slide plate 22 protrudes from the upper end of the baffle 7 to facilitate pushing the slide plate 22, and the rotating shaft 292 is not easy to rotate on the fixed plate 291.

[0028] When the present embodiment is used, when the grinding head of the grinding machine is used, the device is installed in a suitable position, and the motor shaft 4 can drive the grinding head body 5 at the lower end of the grinding head cover 1 to rotate for grinding work. By setting the connecting component 2, when the grinding head body 5 and the grinding head cover 1 are installed, the slide plate 22 is pushed to slide on the fixing rod 26 of the rectangular groove 21, and the spring 27 is compressed. Then, the baffle plate 7 on the grinding head cover 1 is placed in the grinding head body 5, and the blocks 23 at both ends of the baffle plate 7 enter the card groove 24 of the grinding head body 5, and then the slide plate 22 is released, and the spring 27 is stretched to push the slide plate 22 to reset, and one end of the card column 28 at one end of the slide plate 22 enters the grinding head body 5. The clamping hole 25 of the head body 5 achieves the effect of limiting and fixing the grinding head body 5 and the grinding head cover 1. By setting the connecting component 2, it is convenient to quickly disassemble and fix the grinding head body 5. Since the motor shaft 4 drives the grinding head cover 1 to rotate outward by centrifugal force, the clamping column 28 will not move out of the clamping hole 25. By setting the locking component 29, when the slide plate 22 does not need to slide, the rotating plate 293 is rotated by the groove 294. The rotating plate 293 rotates on the fixed plate 291 through the rotating shaft 292. After the rotating plate 293 rotates to one side of the slide plate 22, the slide plate 22 can be limited to avoid accidentally pulling the slide plate 22.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that the positioning assembly 6 includes a convex strip 61, an arcuate edge 62, a strip groove 63 and a rubber pad 64, wherein convex strips 61 are provided on the lower side of both ends of the motor shaft 4, the lower end of the convex strip 61 is provided with an arcuate edge 62, the upper end of the grinding head sleeve 1 is provided with a strip groove 63 corresponding to the convex strip 61, and the inner wall of the strip groove 63 is provided with a rubber pad 64.

[0031] By adopting the above technical solution, when the motor shaft 4 is inserted into the grinding head sleeve 1, the convex strips 61 on the lower sides of both ends of the motor shaft 4 are inserted into the strip grooves 63 through the arc edges 62, and at the same time, the rubber pads 64 in the strip grooves 63 are squeezed. By setting the positioning component 6, the insertion of the motor shaft 4 into the grinding head sleeve 1 can be positioned, thereby facilitating the subsequent screws 3 to pass through the grinding head sleeve 1 and be inserted into the fixing hole of the motor shaft 4.

[0032] Specifically, the rubber pad 64 is bonded to the grinding head cover 1 by glue, and after the convex strip 61 enters the strip groove 63 , the side edge of the convex strip 61 is in close contact with the inner wall of the strip groove 63 .

[0033] By adopting the above technical solution, the rubber pad 64 is not easy to fall off due to glue bonding, and the convex strip 61 is more stable in the strip groove 63 after entering the strip groove 63 .

[0034] When this embodiment is used, by setting the positioning component 6, when the motor shaft 4 is inserted into the grinding head sleeve 1, the convex strips 61 on the lower sides of both ends of the motor shaft 4 are inserted into the strip grooves 63 through the arc edges 62, and at the same time, the rubber pads 64 in the strip grooves 63 are squeezed. By setting the positioning component 6, the insertion of the motor shaft 4 into the grinding head sleeve 1 can be positioned, thereby facilitating the subsequent screws 3 to pass through the grinding head sleeve 1 and be inserted into the fixing hole of the motor shaft 4.

[0035] The structure and working principle of the grinding head sleeve 1, screw 3, motor shaft 4, grinding head body 5 and baffle 7 in the utility model have been disclosed in Chinese patent application No. 2014206746957, which discloses a grinding head for a grinding machine. Its working principle is that the motor shaft 4 can drive the grinding head body 5 at the lower end of the grinding head sleeve 1 to rotate for grinding.

[0036] The working principle and use process of the utility model are as follows: when the grinding head of the grinding machine is used, the device is installed in a suitable position, and the motor shaft 4 can drive the grinding head body 5 at the lower end of the grinding head cover 1 to rotate for grinding work. By setting the connecting component 2, when the grinding head body 5 and the grinding head cover 1 are installed, the slide plate 22 is pushed to slide on the fixing rod 26 of the rectangular groove 21, and the spring 27 is compressed. Then, the baffle plate 7 on the grinding head cover 1 is placed in the grinding head body 5, and the clamping blocks 23 at both ends of the baffle plate 7 enter the clamping groove 24 of the grinding head body 5, and then the slide plate 22 is released, and the spring 27 is stretched to push the slide plate 22 to reset, and one end of the clamping column 28 at one end of the slide plate 22 enters the clamping hole 25 of the grinding head body 5, so as to achieve the effect of limiting and fixing the grinding head body 5 and the grinding head cover 1, and the connection component 2 is set to facilitate the rapid disassembly and assembly of the grinding head body 5 The motor shaft 4 drives the grinding head cover 1 to rotate outward by centrifugal force, and the clamping column 28 will not move out of the clamping hole 25. By setting the locking component 29, when the slide plate 22 does not need to slide, the rotating plate 293 is rotated by the groove 294, and the rotating plate 293 rotates on the fixed plate 291 through the rotating shaft 292. After the rotating plate 293 rotates to one side of the slide plate 22, the slide plate 22 can be limited to avoid accidentally pulling the slide plate 22. By setting the positioning component 6, when the motor shaft 4 is inserted into the grinding head cover 1, the convex strips 61 on the lower sides of both ends of the motor shaft 4 are inserted into the strip grooves 63 through the arc edges 62, and the rubber pads 64 in the strip grooves 63 are squeezed. By setting the positioning component 6, the insertion of the motor shaft 4 into the grinding head cover 1 can be positioned, thereby facilitating the subsequent screws 3 to pass through the grinding head cover 1 and insert into the fixing hole of the motor shaft 4.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding head for a grinding machine, comprising a grinding head body (5), a grinding head cover (1) is arranged on the upper side of the grinding head body (5), a baffle (7) is arranged on the outer side of the grinding head cover (1), a motor shaft (4) is arranged on the upper end of the grinding head cover (1), and the motor shaft (4) and the grinding head cover (1) are connected by screws (3), characterized in that: Positioning components (6) are provided on the lower sides of both ends of the motor shaft (4), and the baffle (7) is connected to the grinding head body (5) via a connecting component (2).

2. A grinding head for a grinding machine according to claim 1, characterized in that: The connecting component (2) comprises a rectangular groove (21), a slide plate (22), a clamping block (23), a clamping groove (24), a clamping hole (25), a fixing rod (26), a spring (27), a clamping column (28) and a locking component (29), wherein clamping blocks (23) are arranged at both ends of the baffle plate (7), a clamping groove (24) corresponding to the clamping block (23) is arranged at the upper end of the grinding head body (5), two rectangular grooves (21) are arranged in the baffle plate (7), a fixing rod (26) is arranged in the rectangular groove (21), a slide plate (22) is slidably connected to the fixing rod (26), a spring (27) is arranged outside the fixing rod (26) at one end of the slide plate (22), a clamping column (28) is arranged at the lower side of one end of the slide plate (22), a clamping hole (25) corresponding to the clamping column (28) is arranged inside the grinding head body (5), and a locking component (29) is arranged at a position corresponding to the slide plate (22) at the upper end of the baffle plate (7).

3. A grinding head for a grinding machine according to claim 2, characterized in that: The locking assembly (29) comprises a fixed plate (291), a rotating shaft (292), a rotating plate (293) and a groove (294), wherein the fixed plate (291) is arranged at positions corresponding to the slide plate (22) on both sides of the upper end of the baffle (7), the rotating shaft (292) is arranged at one end of the fixed plate (291), the rotating plate (293) is arranged at the other end of the rotating shaft (292), and the groove (294) is arranged at one end of the rotating plate (293).

4. A grinding head for a grinding machine according to claim 3, characterized in that: The upper end of the slide plate (22) protrudes from the upper end of the baffle plate (7), the side of the slide plate (22) is in close contact with the inner wall of the rectangular groove (21), and the rotating shaft (292) and the fixed plate (291) are connected in a damping rotation manner.

5. The grinding head for a grinding machine according to claim 1, characterized in that: The positioning assembly (6) comprises a convex strip (61), an arcuate edge (62), a strip groove (63) and a rubber pad (64), wherein the lower sides of both ends of the motor shaft (4) are provided with convex strips (61), the lower ends of the convex strips (61) are provided with arcuate edges (62), the upper end of the grinding head sleeve (1) is provided with a strip groove (63) corresponding to the convex strip (61), and the inner wall of the strip groove (63) is provided with a rubber pad (64).

6. A grinding head for a grinding machine according to claim 5, characterized in that: The rubber pad (64) is bonded to the grinding head cover (1) by glue, and after the convex strip (61) enters the strip groove (63), the side edge of the convex strip (61) is in close contact with the inner wall of the strip groove (63).

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