Adjustable grinding head of internal grinding machine

Abstract

The utility model provides an adjustable grinding head of an internal grinding machine. The adjustable grinding head comprises a connector, a connecting hole is formed in one end of the connector, an adjusting block is fixedly connected to one end of a lead screw, and an extrusion block is slidably connected into a mounting cavity and is in threaded connection with the lead screw. The connecting hole is formed, the connector is installed on the internal grinding machine through the connecting hole, the fixing head and the first grinding ring are driven to rotate through rotation of the connector, an object needing to be ground is ground through rotation of the first grinding ring, and when the grinding thickness needs to be adjusted, the adjusting block is started to drive the lead screw to rotate; the extrusion block is driven to move towards the inner wall of the mounting cavity through rotation of the lead screw, the connecting base is extruded through movement of the extrusion block, the first spring is extruded through movement of the connecting base to drive the connecting rod to move, the grinding block is driven to stretch out under the action of the connecting rod, the grinding size and thickness are adjusted, the structure is simple, adjustment is convenient, and practicability is high. The use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of internal cylindrical grinder, especially to an adjustable polishing head of internal cylindrical grinder. BACKGROUND

[0002] Internal cylindrical grinder is the instrument of cutting processing technology and equipment industry. The instrument is mainly used for grinding the inner hole surface and end face of cylindrical, conical or other shape line development. Polishing is a kind of surface modification technology, generally with the help of polisher to polish the surface, and the top end of polisher is provided with various polishing heads when in use, so as to adapt to different shapes of polishing articles, and the variety of polishing heads is various, generally including conical polishing head, spherical polishing head and cylindrical polishing head.

[0003] At present, the Chinese patent with publication (announcement) No. CN202120527218.8 discloses a cylindrical polishing head with adjustable roughness, which comprises a rotating shaft, the outer surface of the rotating shaft is connected with a fixed plate through a bearing, the outer surface of the fixed plate is fixedly connected with a connecting rod, the outer surface of the connecting rod is movably connected with a spring, the top end of the connecting rod is fixedly connected with a sliding block, the sliding block is slidably connected in the interior of a polisher, the outer surface of the polisher is provided with a clamping groove, the top end of the rotating shaft is fixedly connected with a fixed frame, the interior of the fixed frame is connected with a rotator through a shaft, the top end of the rotator is connected with a first bevel gear, and the first bevel gear is connected with a second bevel gear. The above-mentioned patent can change the roughness of the polishing head when in use, so that different polishing heads can be selected according to the different radius of the inner wall of the polishing pipe, so that the application of the cylindrical polishing head is more extensive.

[0004] However, the following defects still exist:

[0005] The structure is relatively complex and inconvenient to adjust. INVENTION CONTENT

[0006] The utility model aims at solving the prior art's insufficient, and provides a kind of adjustable polishing head of internal cylindrical grinder.

[0007] The utility model discloses a kind of adjustable polishing head of internal cylindrical grinder for achieving the above-mentioned purposes, using the following technical solutions: a kind of adjustable polishing head of internal cylindrical grinder, comprising: connector, the connector one end is provided with connecting hole, the other end of the connector is fixedly connected with mounting bracket, the mounting bracket one side is fixedly connected with fixed head, the fixed head surface is fixedly connected with first polishing ring, the fixed head is provided with adjusting assembly;

[0008] The adjusting assembly comprises a mounting cavity formed in the interior of the fixed head, a connecting seat is arranged in the mounting cavity, a connecting rod is fixedly connected to the surface of the connecting seat, a polishing block is fixedly connected to one end of the connecting rod, the connecting rod is slidingly connected to the surface of the fixed head, a first spring is fixedly connected between the connecting seat and the inner wall of the fixed head, a lead screw is rotationally connected in the mounting cavity, an adjusting block is fixedly connected to one end of the lead screw, and an extrusion block is slidingly connected in the mounting cavity and is threadedly connected with the lead screw.

[0009] Further, the extrusion block is in the shape of a circular truncated cone, the connecting seat is in surface abutment with the extrusion block, and the connecting seat is in the shape of an arc.

[0010] Further, a groove is formed in the fixed head and cooperates with the polishing block, and a through hole is formed in the fixed head and cooperates with the connecting rod.

[0011] Further, an anti-skid groove is formed in the surface of the adjusting block, and the mounting bracket is in the shape of an arc.

[0012] Further, a locking assembly is arranged on the connecting head, the locking assembly comprises a limiting slot formed in the surface of the mounting bracket, a sliding bracket is slidingly connected in the limiting slot, a pressing plate is fixedly connected to the side of the sliding bracket close to the fixed head, and a second spring is fixedly connected between the sliding bracket and the connecting head.

[0013] Further, an anti-skid pad is fixedly connected to the side of the pressing plate close to the fixed head, and the pressing plate is arranged at the central position of one side of the sliding bracket.

[0014] Further, anti-skid sleeves are fixedly connected to the two sides of the sliding bracket, and the second spring is arranged at the central position of one side of the sliding bracket.

[0015] The beneficial effects of the utility model are as follows: the utility model is provided with a connecting hole, the connecting head is installed on the internal grinding machine through the connecting hole, the fixed head and the first polishing ring are driven to rotate through the rotation of the connecting head, the required polishing article is polished through the rotation of the first polishing ring, when the polishing thickness needs to be adjusted, the lead screw is driven to rotate through the starting of the adjusting block, the extrusion block is driven to move towards the inner wall of the mounting cavity through the rotation of the lead screw, the connecting seat is extruded through the movement of the extrusion block, the connecting rod is driven to move through the extrusion of the first spring through the movement of the connecting seat, the polishing block is driven to extend through the action of the connecting rod, the size and the thickness of the polishing are adjusted, the structure is simple, the adjustment is convenient, and the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a sectional view of the utility model;

[0018] Fig. 3 It is the structure schematic view of the locking assembly of the utility model;

[0019] Fig. 4 It is the structure schematic view of the connecting hole of the utility model;

[0020] In the figure: 1, connecting head; 2, mounting frame; 3, fixed head; 4, first polishing ring; 5, adjusting assembly; 501, mounting cavity; 502, connecting seat; 503, connecting rod; 504, polishing block; 505, first spring; 506, screw rod; 507, extrusion block; 508, adjusting block; 6, locking assembly; 601, limiting groove; 602, sliding frame; 603, pressing plate; 604, second spring; 7, connecting hole;

[0021] The drawings in the utility model are all schematic views, and the size does not represent the actual size;

[0022] The utility model will be described in detail below with reference to the drawings and embodiments. Specific implementation

[0023] The utility model will be described in detail below with reference to the drawings and embodiments.

[0024] As Figs. 1-4 The utility model discloses an adjustable polishing head of internal grinding machine, including: connecting head 1, the connecting hole 7 is seted up in connecting head 1 one end, and the other end fixedly connected with mounting frame 2 of connecting head 1, and one side fixedly connected with fixed head 3 of mounting frame 2, and the surface fixedly connected with first polishing ring 4 of fixed head 3, and be provided with adjusting assembly 5 on fixed head 3,

[0025] Adjusting assembly 5 includes the mounting cavity 501 set up in fixed head 3 interior, and the connecting seat 502 is arranged in mounting cavity 501, and the connecting seat 502 surface fixedly connected with connecting rod 503, and one end fixedly connected with polishing block 504 of connecting rod 503, and connecting rod 503 is connected to the surface of fixed head 3 slidingly, and the first spring 505 is fixedly connected between the connecting seat 502 and the inner wall of fixed head 3, and the screw rod 506 is rotatably connected in mounting cavity 501, and one end fixedly connected with adjusting block 508 of screw rod 506, and extrusion block 507 is slidably connected in mounting cavity 501, and extrusion block 507 is connected with screw rod 506 threadedly.

[0026] The connecting head 1 is installed on the internal circular grinding machine through the connecting hole 7, the fixed head 3 and the first grinding ring 4 are driven to rotate through the rotation of the connecting head 1, the required grinding article is ground through the rotation of the first grinding ring 4, when the grinding thickness needs to be adjusted, the adjusting block 508 is started to drive the screw rod 506 to rotate, the extrusion block 507 is driven to move towards the inner wall of the installation cavity 501 through the rotation of the screw rod 506, the connecting seat 502 is extruded through the movement of the extrusion block 507, the connecting rod 503 is driven to move through the extrusion of the connecting seat 502, the grinding block 504 is driven to extend under the action of the connecting rod 503, the size and thickness of the grinding are adjusted, the structure is simple, the adjustment is convenient and the use is convenient.

[0027] In order to conveniently extend the grinding block 504 and adjust the size and thickness of the grinding, the extrusion block 507 is in circular truncated cone shape, the connecting seat 502 is in surface fit with the extrusion block 507, and the connecting seat 502 is in arc shape.

[0028] In order to install the grinding block 504, the recess matched with the grinding block 504 is arranged in the fixed head 3, and the through hole matched with the connecting rod 503 is arranged in the fixed head 3. When the grinding block 504 does not need to grind, the grinding block 504 is retracted into the recess under the action of the first spring 505, and the grinding block 504 is flush with the surface of the fixed head 3.

[0029] In order to conveniently drive the adjusting block 508 to rotate, the anti-skid groove is arranged on the surface of the adjusting block 508, and the mounting frame 2 is in arc shape.

[0030] In order to avoid locking the position of the adjusting block 508 during rotation, the locking assembly 6 is arranged on the connecting head 1, the locking assembly 6 comprises the limiting groove 601 arranged on the surface of the mounting frame 2, the sliding frame 602 is slidably connected in the limiting groove 601, the pressing plate 603 is fixedly connected to the side of the sliding frame 602 close to the fixed head 3, and the second spring 604 is fixedly connected between the sliding frame 602 and the connecting head 1. The sliding frame 602 drives the pressing plate 603 to move towards the adjusting block 508 under the action of the second spring 604, the adjusting block 508 is pressed through the pressing plate 603, and the rotation of the adjusting block 508 is avoided during grinding.

[0031] In order to improve the locking effect of the adjusting block 508, the anti-skid pad is fixedly connected to the side of the pressing plate 603 close to the fixed head 3, and the pressing plate 603 is arranged at the central position of one side of the sliding frame 602.

[0032] In order to facilitate the pulling slide frame 602 to move, the pressing plate 603 is separated from the locking of the adjusting block 508, the slide frame 602 is fixedly connected with the anti-skid sleeve on both sides, and the second spring 604 is arranged at the middle position of one side of the slide frame 602.

[0033] In conclusion, the adjustable polishing head of the internal grinding machine has the following advantages: the connecting hole 7 is arranged, the connecting head 1 is installed on the internal grinding machine through the connecting hole 7, the fixed head 3 and the first polishing ring 4 are driven to rotate through the rotation of the connecting head 1, the required polishing article is polished through the rotation of the first polishing ring 4, when the polishing thickness needs to be adjusted, the adjusting block 508 is started to drive the screw rod 506 to rotate, the extrusion block 507 is driven to move towards the inner wall of the mounting cavity 501 through the rotation of the screw rod 506, the connecting seat 502 is extruded through the movement of the extrusion block 507, the connecting rod 503 is driven to move through the movement of the connecting seat 502 extruding the first spring 505, the polishing block 504 is driven to extend through the action of the connecting rod 503, the size and thickness of polishing are adjusted, the structure is simple, the adjustment is convenient, and the use is facilitated.

[0034] In use, the connecting head 1 is installed on the internal grinding machine through the connecting hole 7, the fixed head 3 and the first polishing ring 4 are driven to rotate through the rotation of the connecting head 1, and the required polishing article is polished through the rotation of the first polishing ring 4. When the polishing thickness needs to be adjusted, the adjusting block 508 is started to drive the screw rod 506 to rotate, the extrusion block 507 is driven to move towards the inner wall of the mounting cavity 501 through the rotation of the screw rod 506, the connecting seat 502 is extruded through the movement of the extrusion block 507, the connecting rod 503 is driven to move through the movement of the connecting seat 502 extruding the first spring 505, the polishing block 504 is driven to extend through the action of the connecting rod 503, the size and thickness of polishing are adjusted. When the polishing block 504 does not need to polish, the polishing block 504 is retracted into the groove under the action of the first spring 505, at this time, the polishing block 504 is flush with the surface of the fixed head 3. The slide frame 602 drives the pressing plate 603 to move towards the direction of the adjusting block 508 under the action of the second spring 604, the adjusting block 508 is pressed tightly through the pressing plate 603, and the rotation of the adjusting block 508 is avoided during polishing. When the position of the polishing block 504 is adjusted, the slide frame 602 is pulled to move, the pressing plate 603 is separated from the locking of the adjusting block 508, and the rotation of the adjusting block 508 is facilitated.

[0035] The utility model has been described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or the utility model is directly applied to other occasions without improvement, which is within the protection scope of the utility model.

Claims

1. An adjustable grinding head for an internal cylindrical grinder, characterized by, Include: The connecting head (1) is provided with a connecting hole (7) at one end, and the other end is fixedly connected with a mounting rack (2), one side of the mounting rack (2) is fixedly connected with a fixed head (3), the surface of the fixed head (3) is fixedly connected with a first polishing ring (4), and the fixed head (3) is provided with an adjusting assembly (5); The adjusting assembly (5) includes a mounting cavity (501) opened in the fixed head (3), a connecting seat (502) is arranged in the mounting cavity (501), the surface of the connecting seat (502) is fixedly connected with a connecting rod (503), one end of the connecting rod (503) is fixedly connected with a polishing block (504), the connecting rod (503) is slidingly connected to the surface of the fixed head (3), the first spring (505) is fixedly connected between the connecting seat (502) and the inner wall of the fixed head (3), the mounting cavity (501) is rotatably connected with a lead screw (506), one end of the lead screw (506) is fixedly connected with an adjusting block (508), and the mounting cavity (501) is slidingly connected with an extrusion block (507). The extrusion block (507) is threadedly connected with the lead screw (506).

2. The adjustable grinding head of the internal cylindrical grinder according to claim 1, characterized by, The extrusion block (507) is in the shape of a circular truncated cone, the connecting seat (502) is in surface contact with the extrusion block (507), and the connecting seat (502) is in the shape of an arc.

3. The adjustable grinding head of an internal cylindrical grinder according to claim 2, characterized in that, The fixed head (3) is provided with a groove matched with the polishing block (504), and the fixed head (3) is provided with a through hole matched with the connecting rod (503).

4. The adjustable grinding head of claim 1, wherein, The surface of the adjusting block (508) is provided with an anti-skid groove, and the mounting rack (2) is in the shape of an arc.

5. The adjustable grinding head for an internal cylindrical grinder according to claim 1, wherein The connecting head (1) is provided with a locking assembly (6), the locking assembly (6) includes a limiting groove (601) opened on the surface of the mounting rack (2), the limiting groove (601) is slidingly connected with a sliding rack (602), the sliding rack (602) is fixedly connected with a pressing plate (603) on the side close to the fixed head (3), and the sliding rack (602) and the connecting head (1) are fixedly connected with a second spring (604).

6. The adjustable grinding head of an internal cylindrical grinder according to claim 5, wherein The pressing plate (603) is fixedly connected with a non-slip pad on the side close to the fixed head (3), and the pressing plate (603) is arranged at the central position on one side of the sliding rack (602).

7. The adjustable grinding head of an internal cylindrical grinder according to claim 6, characterized in that, The sliding rack (602) is fixedly connected with a non-slip sleeve on both sides, and the second spring (604) is arranged at the central position on one side of the sliding rack (602).

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