Grinding and polishing head replacement structure of polishing machine

Abstract

The utility model discloses a grinding and polishing head replacement structure of a polishing machine, which relates to the technical field of polishing machines, and comprises a power shaft and a grinding and polishing head main body, the lower side of the power shaft is provided with an end groove, the middle part of the upper side of the grinding and polishing head main body is fixedly connected with a clamping assembly, and the two sides of the upper end of the clamping assembly are respectively provided with a single clamping assembly. The two sets of single-clamping assemblies are installed at the end of the clamping assembly, the clamping assembly is fixed to the grinding and polishing head body, the hexagonal wrench sleeves the hexagonal end and rotates, the worm is meshed with the worm gear to rotate, and therefore the threaded rod is driven to rotate in the middle of the built-in sleeve, and the two sets of inclined grooves are distributed in a splayed shape and push the inclined protrusions to be close to each other. Therefore, the two sets of single-clamping assemblies get close to each other, the power shaft is clamped, the hexagonal end is installed and detached and reversely rotated, the whole replacement process is simple under the condition that firm connection is guaranteed, and the replacement efficiency of the grinding and polishing head body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing machine technical field especially relates to a polishing machine's polishing and grinding head replacement structure. BACKGROUND

[0002] As a key process in many product manufacturing processes, polishing, with the use of polishing and grinding head, its abrasive will gradually wear, and the shape and size of polishing and grinding head will change. Timely replacement of polishing and grinding head can ensure that the polishing and grinding tool always maintains the best precision state, so that the processed products meet strict quality standards, such as surface roughness, flatness, cylindricity and other geometric precision indexes.

[0003] But in the prior art, part of the polishing machine adopts the combination of multiple bolts and nuts to fix the polishing and grinding head. When replacing the polishing and grinding head, the operator needs to disassemble multiple bolts and nuts, which is cumbersome and affects the replacement efficiency. UTILITY MODEL CONTENTS

[0004] The utility model relates to a polishing machine technical field especially relates to a polishing machine's polishing and grinding head replacement structure.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a polishing machine's polishing and grinding head replacement structure, including power shaft and polishing and grinding head main part, the downside of power shaft is equipped with end slot, the upper side middle part of polishing and grinding head main part is fixedly connected with clamping assembly, the upper end both sides of clamping assembly are all provided with single clamping assembly, clamping assembly includes cylinder shell, bottom disc, worm wheel, hexagonal end, worm, threaded rod and built-in sleeve, the both sides of built-in sleeve are all equipped with inclined slot, built-in sleeve is connected in the outer ring surface of threaded rod by screwing, threaded rod is fixedly connected in the middle part of worm wheel, worm is connected in the outside of worm wheel by meshing, hexagonal end is fixedly connected in one end of worm, single clamping assembly includes bottom block, the side of bottom block is provided with inclined convex, inclined convex is connected in the inner wall of inclined slot by sliding.

[0006] Preferably, the both ends of the worm are rotatably connected with the inside of the cylinder shell, and the lower end of the threaded rod is rotatably connected in the middle part of the bottom disc.

[0007] Preferably, the hexagonal end is located outside the cylinder shell, and the cylinder shell is fixedly connected to the upper side of the bottom disc.

[0008] Preferably, the bottom disc is fixedly connected to the upper side of the polishing and grinding head main body.

[0009] Preferably, the single clamping assembly further includes an edge block, an arc block, a connecting block, and an internal block, and multiple sets of the edge blocks are fixedly connected to the inner edges of the arc blocks.

[0010] Preferably, the arc block is fixedly connected to the upper side of the connecting block, and the connecting block is fixedly connected to the upper side of the built-in block through bolts.

[0011] Preferably, the built-in block is slidably embedded in the upper side groove of the bottom block, and the lower side of the connecting block and the upper side of the bottom block are both provided with dense teeth and are mutually engaged.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1、In the utility model, two groups of single clamping assemblies are installed at the end of the clamping assembly, the clamping assembly is fixed with the grinding and polishing head body, a hexagonal wrench is sleeved with the hexagonal end and is rotated, the worm engages with the worm gear to rotate, so that the threaded rod is rotated in the built-in sleeve, the two groups of inclined grooves are distributed in the shape of an eight character, and each inclined convex is pushed to be close to each other, so that the two groups of single clamping assemblies are close to each other, the clamping power shaft is completed, and the hexagonal end is reversed to rotate, so that the installation and disassembly can be completed, the whole replacement process is simple under the condition of ensuring firm connection, and the grinding and polishing head body replacement efficiency is improved.

[0014] 2、In the utility model, the basic carrier structure of the single clamping assembly is composed of the connecting block, the built-in block and the bottom block, the built-in block is slidably embedded in the groove of the bottom block, the connecting block is connected with the built-in block through bolts, the connecting block and the bottom block are in contact with each other, the contact surface is provided with teeth, and the two are mutually engaged, so that the firmness of the connecting block and the bottom block is increased, different arc blocks are selected according to different diameters of the power shaft, and the arc block is fixed on the connecting block through bolts, so that the application range of the structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of a grinding and polishing head replacement structure of a polishing machine is provided for the utility model;

[0016] Figure 2 A three-dimensional structure schematic view of a grinding and polishing head replacement structure of a polishing machine is provided for the utility model;

[0017] Figure 3 A three-dimensional structure schematic view of a grinding and polishing head replacement structure of a polishing machine is provided for the utility model;

[0018] Figure 4 A three-dimensional structure schematic view of a grinding and polishing head replacement structure of a polishing machine is provided for the utility model;

[0019] Legend: 1, power shaft; 2, end groove; 3, single clamping assembly; 31, side block; 32, arc block;

[0020] 33, connecting block; 34, built-in block; 35, bottom block; 36, inclined convex; 4, clamping assembly; 41, cylindrical shell;

[0021] 42. Chassis; 43. Worm gear; 44. Hexagonal end; 45. Worm; 46. Threaded rod; 47. Internal sleeve; 48. Inclined groove; 5. Grinding and polishing head body. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a polishing head replacement structure for a polishing machine, including a power shaft 1 and a polishing head body 5. An end groove 2 is provided on the lower side of the power shaft 1. A clamping assembly 4 is fixedly connected to the upper middle part of the polishing head body 5. Single clamping assemblies 3 are provided on both sides of the upper end of the clamping assembly 4. The clamping assembly 4 includes a cylindrical shell 41, a base 42, a worm gear 43, a hexagonal end 44, a worm 45, a threaded rod 46, and an inner sleeve 47. Inclined grooves 48 are provided on both sides of the inner sleeve 47. The inner sleeve 47 is threadedly connected to the outer ring surface of the threaded rod 46, and the threaded rod 46 is fixed. The worm 45 is connected to the middle of the worm gear 43 and meshes with the outer side of the worm gear 43. The hexagonal end 44 is fixedly connected to one end of the worm 45. The single clamp assembly 3 includes a base block 35. A slanted protrusion 36 is provided on one side of the base block 35. The slanted protrusion 36 is slidably connected to the inner wall of the slanted groove 48. Both ends of the worm 45 are rotatably connected to the inside of the cylindrical shell 41. The lower end of the threaded rod 46 is rotatably connected to the middle of the base 42. The hexagonal end 44 is located outside the cylindrical shell 41. The cylindrical shell 41 is fixedly connected to the upper side of the base 42. The base 42 is fixedly connected to the upper side of the grinding head body 5.

[0025] The specific settings and effects of the embodiment are as follows: the two sets of single clamping assemblies 3 are installed at the end of the clamping assembly 4, the clamping assembly 4 is fixed with the polishing head body 5, the end groove 2 is formed at the end of the power shaft 1, the two sets of single clamping assemblies 3 hold the power shaft 1, the hexagonal wrench holds the hexagonal end 44 and rotates, thereby driving the worm 45 to rotate in the inside of the column shell 41, the worm 45 meshes with the worm wheel 43 to rotate, thereby driving the threaded rod 46 to rotate in the middle of the built-in sleeve 47, the built-in sleeve 47 is subjected to the component force of the downward meshing force, the two sets of inclined grooves 48 are distributed in the shape of a mule's tail, and the inclined convexes 36 in the two sets of single clamping assemblies 3 are respectively slidably embedded in the two sets of inclined grooves 48, when the built-in sleeve 47 drives the inclined grooves 48 to move vertically downward, the two sets of inclined grooves 48 respectively push the inclined convexes 36 to approach each other, since there is a self-locking relationship between the worm wheel 43 and the worm 45, after the two sets of single clamping assemblies 3 approach each other, the power shaft 1 is clamped, the installation is completed, and the hexagonal end 44 is reversely rotated to disassemble, in the case of ensuring firm connection, the whole replacement process is simple, and the replacement efficiency of the polishing head body 5 is improved.

[0026] Embodiment two: as shown in Figure 1 Figure 4 The single clamping assembly 3 further comprises an edge block 31, an arc block 32, a connecting block 33 and a built-in block 34, a plurality of edge blocks 31 are fixedly connected to the inner edge of the arc block 32, the arc block 32 is fixedly connected to the upper side of the connecting block 33, the connecting block 33 is fixedly connected to the upper side of the built-in block 34 through bolts, the built-in block 34 is slidably embedded in the upper groove of the bottom block 35, and the lower side of the connecting block 33 and the upper side of the bottom block 35 are both provided with dense teeth that are mutually engaged.

[0027] The effect of the whole embodiment is that, in the process of the single clamping assemblies 3 approaching each other, the end of the connecting block 33 is embedded into the end groove 2, the end of the edge block 31 has dense protrusions, the pressure of the end of the power shaft 1 is increased, and the engagement is tighter, in addition, the connecting block 33, the built-in block 34 and the bottom block 35 form the basic carrier structure of the single clamping assembly 3, the built-in block 34 is slidably embedded in the groove of the bottom block 35, the connecting block 33 is connected with the built-in block 34 through bolts, the connecting block 33 and the bottom block 35 are in contact with each other, the contact surfaces are provided with teeth, and the two are mutually engaged, the firmness of the connecting block 33 and the bottom block 35 is increased, different arc blocks 32 are selected according to different diameters of the power shaft 1, and the arc block 32 is fixed on the connecting block 33 through bolts, thereby improving the application range of the structure.

[0028] ​The method for using and the working principle of the device are as follows: an end slot 2 is formed at the end of the power shaft 1, two groups of single clamping assemblies 3 embrace the power shaft 1, a hexagonal wrench embraces the hexagonal end head 44 and rotates, thereby driving the worm 45 to rotate in the inside of the column shell 41, the worm 45 engages the worm gear 43 to rotate, thereby driving the threaded rod 46 to rotate in the middle of the built-in sleeve 47, the built-in sleeve 47 is subjected to the downward engagement force component, the two groups of inclined grooves 48 are distributed in the shape of a mule's tail, the inclined convexes 36 in the two groups of single clamping assemblies 3 are respectively slidably embedded in the two groups of inclined grooves 48, when the built-in sleeve 47 drives the inclined grooves 48 to move vertically downward, the two groups of inclined grooves 48 respectively push the inclined convexes 36 to approach each other, thereby the two groups of single clamping assemblies 3 approach each other, the end of the connecting block 33 is embedded into the inside of the end slot 2, the installation of the grinding and polishing head main body 5 is completed, and the hexagonal end head 44 is reversely rotated, thereby achieving the disassembly of the grinding and polishing head main body 5.

[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still fall within the protection scope of the present application.

Claims

1. A polishing head replacement structure of a polishing machine, comprising a power shaft (1) and a polishing head main body (5), characterized in that: The lower side of the power shaft (1) is provided with an end groove (2), the upper side of the polishing head body (5) is fixedly connected with a clamping assembly (4), the upper end of the clamping assembly (4) is provided with a single clamping assembly (3) on both sides, the clamping assembly (4) comprises a column shell (41), a bottom disc (42), a worm gear (43), a hexagonal end (44), a worm (45), a threaded rod (46) and an inner sleeve (47), the two sides of the inner sleeve (47) are provided with inclined grooves (48), the inner sleeve (47) is threadedly connected to the outer ring surface of the threaded rod (46), the threaded rod (46) is fixedly connected to the middle part of the worm gear (43), the worm (45) is meshedly connected to the outer side of the worm gear (43), the hexagonal end (44) is fixedly connected to one end of the worm (45), the single clamping assembly (3) comprises a bottom block (35), one side of the bottom block (35) is provided with an inclined convex (36), and the inclined convex (36) is slidably connected to the inner wall of the inclined groove (48).

2. The polishing head replacement structure of claim 1, wherein: Both ends of the worm (45) are rotatably connected with the inside of the column shell (41), and the lower end of the threaded rod (46) is rotatably connected to the middle part of the bottom disc (42).

3. The polishing head replacement structure of claim 2, wherein: The hexagonal end (44) is located outside the column shell (41), and the column shell (41) is fixedly connected to the upper side of the bottom disc (42).

4. The polishing head replacement structure of claim 3, wherein: The bottom disc (42) is fixedly connected to the upper side of the polishing head body (5).

5. The polishing head replacement structure of claim 4, wherein: The single clamping assembly (3) further comprises an edge block (31), an arc block (32), a connecting block (33) and an inner block (34), and a plurality of groups of the edge block (31) are fixedly connected to the inner edges of the arc block (32).

6. The polishing head replacement structure of claim 5, wherein: The arc block (32) is fixedly connected to the upper side of the connecting block (33), and the connecting block (33) is fixedly connected to the upper side of the inner block (34) through bolts.

7. The polishing head replacement structure of claim 6, wherein: The inner block (34) is slidably embedded in the upper side recess of the bottom block (35), and the lower side of the connecting block (33) and the upper side of the bottom block (35) are both provided with dense teeth and are mutually engaged.

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