Quick-change type eccentric polishing main shaft

Abstract

The utility model relates to the technical field of main shafts, in particular to a quick-change type eccentric polishing main shaft which comprises a main shaft body and a polishing mechanism, the main shaft body comprises a main shaft shell and a first connecting seat, a stator and a rotor are arranged in the main shaft shell, and the rotor penetrates through the main shaft shell and is eccentrically connected with the first connecting seat. The polishing mechanism comprises a second connecting base and a polishing shell, a polishing bearing is arranged on the inner side of the polishing shell and arranged on the periphery of the second connecting base in a sleeving mode, an internal thread is arranged on the inner periphery of the polishing shell, and the external thread is in threaded connection with the internal thread. The main shaft body and the polishing mechanism are detachably connected through threaded connection of the external threads and the internal threads, dismounting and mounting are convenient, due to the fact that the first connecting base and the rotor are eccentrically arranged, when the polishing mechanism is dismounted and mounted, accurate mounting can be achieved only through threaded connection of the internal threads and the first connecting base, and frequent adjustment is not needed; according to the utility model, the efficiency of replacing the polishing mechanism is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spindles, in particular to a quick-change eccentric polishing spindle. Background Art

[0002] The five-axis polishing machine is used in the 3C industry. It is equipped with a polishing spindle, which can achieve high-precision, high-speed and high-efficiency grinding and polishing processing on the product.

[0003] Since the polishing mechanism is prone to water ingress when the polishing spindle is working, the polishing mechanism often needs to be replaced and repaired. In the existing technology, it is troublesome to disassemble the polishing mechanism, and it takes about 30 minutes for a single machine. In addition, the remaining machine fixing plates of the five-axis machine must also be removed at the same time. The entire maintenance work takes about 1 hour. Utility Model Content

[0004] The utility model aims to at least solve the technical problems existing in the prior art. To this end, the utility model proposes a quick-change eccentric polishing spindle, which is convenient for replacing the polishing mechanism and greatly improves the replacement efficiency.

[0005] According to some embodiments of the utility model, a quick-change eccentric polishing spindle includes a spindle body and a polishing mechanism, the spindle body includes a spindle housing, a stator, a rotor and a first connecting seat, the stator and the rotor are both arranged in the spindle housing, the rotor is inserted into the spindle housing and is eccentrically connected to the first connecting seat, the outer periphery of the first connecting seat is provided with an external thread, the polishing mechanism includes a second connecting seat and a polishing housing, a polishing bearing is provided on the inner side of the polishing housing, the polishing bearing is sleeved on the outer periphery of the second connecting seat, the inner periphery of the polishing housing is provided with an internal thread, and the external thread is threadedly connected to the internal thread.

[0006] A quick-change eccentric polishing spindle according to some embodiments of the utility model has at least the following beneficial effects:

[0007] The utility model has the stator and the rotor both being arranged in the spindle housing, the rotor being inserted into the spindle housing and being eccentrically connected to the first connecting seat, an external thread being arranged on the outer periphery of the first connecting seat, a polishing bearing being arranged on the inner side of the polishing housing, the polishing bearing being sleeved on the outer periphery of the second connecting seat, and an internal thread being arranged on the inner periphery of the polishing housing, and the spindle body and the polishing mechanism being detachably connected by screwing the external thread and the internal thread, and the disassembly and assembly are convenient, and since the first connecting seat is eccentrically arranged with the rotor, when disassembling and assembling the polishing mechanism, accurate installation can be achieved by screwing the internal thread and the first connecting seat, and frequent adjustment is not required, and the utility model greatly improves the efficiency of replacing the polishing mechanism.

[0008] According to a quick-change eccentric polishing spindle in some embodiments of the present invention, a counterweight block is detachably provided on the outer side of the first connecting seat.

[0009] According to a quick-change eccentric polishing spindle in some embodiments of the utility model, a first arc surface is provided on the side of the first connecting seat close to the counterweight block, and a second arc surface is provided on the side of the counterweight block close to the first connecting seat, and the first arc surface and the second arc surface are arranged correspondingly.

[0010] According to a quick-change eccentric polishing spindle in some embodiments of the utility model, a plurality of first connecting holes are provided at one end of the rotor close to the first connecting seat, a plurality of second connecting holes are provided on the first connecting seat, the first connecting holes and the second connecting holes are arranged in one-to-one correspondence, and the first connecting holes and the second connecting holes are connected one-to-one by fasteners.

[0011] According to a quick-change eccentric polishing spindle in some embodiments of the utility model, two clamping planes are arranged on the outer side of the polishing shell.

[0012] According to a quick-change eccentric polishing spindle in some embodiments of the utility model, an end cover is provided at one end of the spindle housing close to the polishing mechanism, and the rotor is penetrated through the end cover and connected to the polishing mechanism.

[0013] According to some embodiments of the utility model, a quick-change eccentric polishing spindle is provided, wherein the spindle housing comprises an outer shell and a bearing seat, wherein the bearing seat is arranged on one end of the outer shell, the end cover is connected to the bearing seat, a spindle bearing is arranged on the inner side of the bearing seat, and the spindle bearing is sleeved on the rotor.

[0014] According to some embodiments of the utility model, a quick-change eccentric polishing spindle is provided, a said polishing mechanism and a said first connecting seat are both provided with two, both ends of the said rotor are both passed through the said spindle housing and are eccentrically connected to the said first connecting seat, and the said first connecting seat is screwed one by one to the said polishing mechanism.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0018] Figure 2It is a front view of an embodiment of the utility model.

[0019] Figure 3 for Figure 2 Section view along line BB.

[0020] Reference numerals: 1, spindle body, 2, polishing mechanism;

[0021] 101. spindle housing, 102. stator, 103. rotor, 104. first connecting seat, 105. external thread, 106. counterweight, 107. first arc surface, 108. second arc surface, 109. first connecting hole, 110. second connecting hole, 111. fastener, 112. end cover, 113. outer housing, 114. bearing seat;

[0022] 201. Second connecting seat; 202. Polished housing; 203. Polished bearing; 204. Internal thread; 205. Clamping plane. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that the descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of the utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] like Figure 1-Figure 3 As shown, an embodiment of the utility model provides a quick-change eccentric polishing spindle.

[0028] A quick-change eccentric polishing spindle comprises a spindle body 1 and a polishing mechanism 2, wherein the spindle body 1 comprises a spindle housing 101, a stator 102, a rotor 103 and a first connecting seat 104, wherein the stator 102 and the rotor 103 are both arranged in the spindle housing 101, wherein the rotor 103 is passed through the spindle housing 101 and is eccentrically connected to the first connecting seat 104, wherein the outer periphery of the first connecting seat 104 is provided with an external thread 105, wherein the polishing mechanism 2 comprises a second connecting seat 201 and a polishing housing 202, wherein a polishing bearing 203 is provided on the inner side of the polishing housing 202, wherein the polishing bearing 203 is sleeved on the outer periphery of the second connecting seat 201, wherein the inner periphery of the polishing housing 202 is provided with an internal thread 204, wherein the external thread 105 is threadedly connected to the internal thread 204.

[0029] In the utility model, the stator 102 and the rotor 103 are both arranged in the main shaft housing 101, the rotor 103 is penetrated through the main shaft housing 101 and is eccentrically connected to the first connecting seat 104, an external thread 105 is arranged on the outer periphery of the first connecting seat 104, a polishing bearing 203 is arranged on the inner side of the polishing housing 202, the polishing bearing 203 is sleeved on the outer periphery of the second connecting seat 201, and an internal thread 204 is arranged on the inner periphery of the polishing housing 202, and the main shaft body 1 and the polishing mechanism 2 are detachably connected by screwing the external thread 105 and the internal thread 204, and the disassembly and assembly are convenient. Since the first connecting seat 104 is eccentrically arranged with the rotor 103, when disassembling and assembling the polishing mechanism 2, it only needs to be screwed with the first connecting seat 104 through the internal thread 204 to achieve accurate installation, and frequent adjustment is not required. The utility model greatly improves the efficiency of replacing the polishing mechanism 2.

[0030] In the quick-change eccentric polishing spindle described in this embodiment, a counterweight 106 is detachably provided on the outer side of the first connecting seat 104. Specifically, the counterweight 106 can be disassembled by fasteners 111. It can be understood that when in use, the second connecting seat 201 is connected to the grinding wheel, and when a different grinding wheel is replaced, the matching counterweight 106 is replaced without disassembly and rebalancing.

[0031] In the quick-change eccentric polishing spindle described in this embodiment, a first arc surface 107 is provided on a side of the first connection seat 104 close to the counterweight 106, and a second arc surface 108 is provided on a side of the counterweight 106 close to the first connection seat 104, and the first arc surface 107 is provided corresponding to the second arc surface 108. Specifically, the above arrangement makes the counterweight 106 easier to install and more stable.

[0032] In the quick-change eccentric polishing spindle described in this embodiment, a plurality of first connection holes 109 are formed at one end of the rotor 103 close to the first connection seat 104, a plurality of second connection holes 110 are formed on the first connection seat 104, the first connection holes 109 and the second connection holes 110 are arranged one by one correspondingly, and the first connection holes 109 and the second connection holes 110 are connected one by one through fasteners 111. Specifically, the above structure is simple and has a good installation effect.

[0033] In the quick-change eccentric polishing spindle described in this embodiment, two clamping planes 205 are arranged on the outer side of the polishing housing 202. Specifically, the above arrangement enables the polishing mechanism 2 to be locked by extending the opening of the wrench to the clamping plane 205 when disassembling or installing, and the wrench can be turned to achieve disassembly and installation.

[0034] In the quick-change eccentric polishing spindle described in this embodiment, an end cover 112 is provided at one end of the spindle housing 101 close to the polishing mechanism 2, and the rotor 103 is passed through the end cover 112 and connected to the polishing mechanism 2. Specifically, the end cover 112 effectively reduces the splashing of the grinding fluid into the spindle body 1.

[0035] In the quick-change eccentric polishing spindle described in this embodiment, the spindle housing 101 includes an outer shell 113 and a bearing seat 114, the bearing seat 114 is arranged on one end of the outer shell 113, the end cover 112 is connected to the bearing seat 114, a spindle bearing 115 is arranged inside the bearing seat 114, and the spindle bearing 115 is sleeved on the rotor 103. Specifically, the above structure has good stability.

[0036] In the quick-change eccentric polishing spindle described in this embodiment, the polishing mechanism 2 and the first connecting seat 104 are both provided with two, both ends of the rotor 103 are passed through the spindle housing 101 and eccentrically connected to the first connecting seat 104, and the first connecting seat 104 is screwed one by one with the polishing mechanism 2. Specifically, the first connecting seats 104 at both ends are mirror-imaged, and the polishing mechanism 2 can be directly assembled without frequent adjustment.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A quick-change eccentric polishing spindle, characterized in that: It includes a spindle body and a polishing mechanism, the spindle body includes a spindle housing, a stator, a rotor and a first connecting seat, the stator and the rotor are both arranged in the spindle housing, the rotor is inserted into the spindle housing and is eccentrically connected to the first connecting seat, the outer periphery of the first connecting seat is provided with an external thread, the polishing mechanism includes a second connecting seat and a polishing housing, the inner side of the polishing housing is provided with a polishing bearing, the polishing bearing is sleeved on the outer periphery of the second connecting seat, the inner periphery of the polishing housing is provided with an internal thread, and the external thread is threadedly connected with the internal thread.

2. The quick-change eccentric polishing spindle according to claim 1, characterized in that: A counterweight block is detachably provided on the outer side of the first connecting seat.

3. The quick-change eccentric polishing spindle according to claim 2, characterized in that: A first arc surface is provided on a side of the first connection seat close to the counterweight block, and a second arc surface is provided on a side of the counterweight block close to the first connection seat, and the first arc surface and the second arc surface are provided correspondingly.

4. The quick-change eccentric polishing spindle according to claim 1, characterized in that: A plurality of first connection holes are formed at one end of the rotor close to the first connection seat, and a plurality of second connection holes are formed on the first connection seat. The first connection holes and the second connection holes are arranged in one-to-one correspondence, and the first connection holes and the second connection holes are connected one-to-one by fasteners.

5. The quick-change eccentric polishing spindle according to claim 1, characterized in that: Two clamping planes are arranged on the outer side of the polishing shell.

6. The quick-change eccentric polishing spindle according to claim 1, characterized in that: An end cover is provided at one end of the spindle housing close to the polishing mechanism, and the rotor is passed through the end cover and connected to the polishing mechanism.

7. The quick-change eccentric polishing spindle according to claim 6, characterized in that: The main shaft housing comprises an outer shell and a bearing seat, wherein the bearing seat is arranged on one end of the outer shell, the end cover is connected to the bearing seat, a main shaft bearing is arranged on the inner side of the bearing seat, and the main shaft bearing is sleeved on the rotor.

8. The quick-change eccentric polishing spindle according to claim 1, characterized in that: The polishing mechanism and the first connecting seat each have two, both ends of the rotor are penetrated through the main shaft housing and eccentrically connected to the first connecting seat, and the first connecting seat is screwed one by one with the polishing mechanism.

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