Abrasive belt grinding and polishing device of grinding and polishing equipment

Abstract

The utility model discloses an abrasive belt grinding and polishing device of grinding and polishing equipment, which comprises a gantry bracket, a first lifting mechanism and a second lifting mechanism which are connected to the gantry bracket, and a grinding and polishing component which is controlled by the first lifting mechanism and the second lifting mechanism to lift synchronously, the first lifting mechanism and the second lifting mechanism are parallel to each other and are vertically arranged; the first lifting mechanism and the second lifting mechanism each comprise a double-track driving unit, and the grinding and polishing assembly is used for grinding or polishing a workpiece. According to the abrasive belt grinding and polishing device of the grinding and polishing equipment, the two parallel and vertically-distributed lifting mechanisms are arranged on the gantry support and used for driving the grinding and polishing tool to ascend and descend, meanwhile, the rotating flanges are further arranged on the lifting mechanisms and used for driving the grinding and polishing assembly to rotate by an angle, and the abrasive belt grinding and polishing device runs stably and can be compatible with workpieces of different shapes; and the universality is high, and the machining cost can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic polishing equipment technical field especially relates to a kind of abrasive belt polishing device of polishing equipment. BACKGROUND

[0002] The existing manual polishing equipment mainly polishes and grinds the surface of workpiece by automatically rotating abrasive belt or grinding disc. The existing polishing equipment is generally designed only for workpiece of specific shape or structure, so the polishing equipment cannot be compatible with workpiece of various structures, resulting in poor versatility and high cost of the equipment. SUMMARY

[0003] The utility model discloses a kind of abrasive belt polishing device of polishing equipment to overcome the deficiencies of prior art, to solve the technical problem of poor versatility of existing polishing equipment.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] The embodiment of the utility model provides a kind of abrasive belt polishing device of polishing equipment, it includes: portal frame, first lifting mechanism and second lifting mechanism connected to the portal frame, and the polishing assembly controlled by the synchronous lifting of the first lifting mechanism and the second lifting mechanism, the first lifting mechanism and the second lifting mechanism are mutually parallel and vertically arranged;The first lifting mechanism and the second lifting mechanism all include double-track driving unit, and the polishing assembly is used to polish or polish the workpiece.

[0006] Among them, the polishing assembly includes: connecting seat, at least one polishing unit connected to the connecting seat;The polishing unit includes polishing drive part and polishing abrasive belt rotated under the control of the polishing drive part.

[0007] Among them, the polishing unit further includes: mounting plate, driving pulley connected to the top surface of the mounting plate and a plurality of driven pulleys, the mounting plate is also provided with tensioning drive part, and the moving end of the tensioning drive part is also provided with tensioning pulley, the polishing abrasive belt is sequentially wound on the driving pulley, the driven pulley and the tensioning pulley, and the polishing abrasive belt is tensioned by the tensioning drive part driving the tensioning pulley.

[0008] Among them, a plurality of installation cavities are provided on the connecting seat, the polishing drive part is sunk in the installation cavity, the output end of the polishing drive part is connected to the driving pulley through transmission belt, and the polishing drive part and the transmission belt are located on the bottom surface side of the mounting plate, both ends of the connecting seat are rotatably connected to the first lifting mechanism and the second lifting mechanism.

[0009] The gantry frame comprises a first column, a second column and a cross arm connected to the top ends of the first column and the second column respectively.

[0010] The first lifting mechanism comprises a first driving unit, a first screw rod controlled to rotate by the first driving unit, two first guide rail units arranged in parallel on both sides of the first screw rod, a first connecting piece connected to the first screw rod and a driven flange unit connected to the first connecting piece.

[0011] The first guide rail unit comprises a longitudinal guide rail and at least two sliding blocks connected to the longitudinal guide rail, the sliding blocks are further connected to the first connecting piece, and the longitudinal guide rail is connected to the first column.

[0012] The first lifting mechanism further comprises an upper folding protective cover connected to the upper end edge of the first connecting piece and a lower folding protective cover connected to the lower end edge of the first connecting piece.

[0013] The second lifting mechanism comprises a second driving unit, a second screw rod controlled to rotate by the second driving unit, a second guide rail unit arranged in parallel on both sides of the second screw rod, a second connecting piece connected to the second screw rod and a driving flange unit connected to the second connecting piece, the upper end edge of the second connecting piece is further connected with an upper folding protective cover, the lower end edge of the second connecting piece is further connected with a lower folding protective cover, and the upper folding protective cover and the lower folding protective cover are both organ type protective covers.

[0014] The driving flange unit comprises a flange driving piece, a right-angle commutator and a driving flange disc, the output shaft of the flange driving piece is connected to the input end of the right-angle commutator, and the output end of the right-angle commutator is connected to the driving flange disc.

[0015] The sand belt polishing device of the polishing equipment is characterized in that two lifting mechanisms vertically distributed and parallel to each other are arranged on the gantry frame and used for driving the polishing tool to perform lifting action, and a rotating flange is further arranged on the lifting mechanism and used for driving the polishing assembly to rotate at an angle, so that the polishing equipment has stable operation, can be compatible with workpieces of different shapes, has high universality and can save machining cost.

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are described in detail as follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The whole structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0018] Figure 2 The whole structure schematic diagram of the abrasive belt polishing device of the polishing equipment. Figure 3 The exploded schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0019] Figure 4 The multiple polishing assembly partial structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0020] Figure 5 The polishing assembly internal structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0021] Figure 6 The polishing assembly top structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0022] Figure 7 And Figure 8 The whole different visual angle structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0023] Figure 9 And Figure 10 The first lifting mechanism partial different visual angle structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0024] Figure 11 And Figure 12 The second lifting mechanism partial different visual angle structure schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0025] Figure 13 And Figure 14 The second lifting mechanism partial internal structure different visual angle schematic diagram of the abrasive belt polishing device of the polishing equipment.

[0026] Explanation of reference signs:

[0027] 100-gantry device, 11-gantry support, 12-first lifting mechanism, 13-second lifting mechanism, 111-cross arm, 112-first upright column, 113-second upright column, 121-first driving unit, 122-first guide rail unit, 1221-first screw rod, 123-lower folding protective cover, 124-upper folding protective cover, 125-first connecting piece, 14-driven flange unit, 131-second guide rail unit, 132-second connecting piece, 133-lower folding protective cover, 134-upper folding protective cover, 135-second driving unit, 136-second screw rod, 137-upper shaft seat, 138-screw rod seat, 139-lower shaft seat, 141-flange connecting seat, 142-driven flange, 15-driven flange unit, 151-flange driving piece, 152-right angle commutator, 153-driven flange, 154-cable chain, 1311 / 1312-longitudinal guide rail, 1313 / 1314-sliding block, 400-polishing assembly, 41-connecting seat, 42, 43, 44, 45-polishing unit, 421-mounting plate, 422-polishing driving piece, 423-driven pulley, 424-followed pulley, 425-polishing sand belt, 426-tensioning driving piece, 427-tensioning pulley, 410-mounting cavity, 411, 412-connecting seat two ends. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will combine the drawings and specific embodiments to make further detailed description to the utility model.

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" is the orientation or position relationship described based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0031] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or a specific order of precedence. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly.

[0032] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be connected, or it can be detachable, or it can be integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include direct contact between the first and second features, or indirect contact between the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The main shortcomings of the existing manual grinding and polishing equipment are as follows: the automation level is limited, most of the equipment relies on manual operation, the efficiency is low and the consistency is poor, the labor cost is high, the process relies on experience, the parameter optimization lacks scientific model support, and it is difficult to realize precise quality control. Among them, maintaining the stability between each functional unit of the grinding and polishing equipment is a key factor to improve the grinding and polishing quality. Therefore, based on the above needs, the present embodiment provides a grinding and polishing device of a grinding and polishing equipment.

[0036] Please refer to Figures 1 to 14 The embodiment discloses a grinding and polishing device of a grinding and polishing equipment, which comprises a gantry device 100 and a grinding and polishing assembly 400 controlled by the gantry device 100, the gantry device 100 is used for driving the grinding and polishing assembly 400 to perform vertical lifting action, and the grinding and polishing assembly 400 is used for driving a grinding belt to perform surface polishing and grinding treatment on a workpiece.

[0037] Please refer to Figures 7 to 14 The gantry device 100 comprises a gantry support 11 and a first lifting mechanism 12 and a second lifting mechanism 13 connected to the gantry support 11, the first lifting mechanism 12 and the second lifting mechanism 13 are arranged vertically and parallel to each other, and the first lifting mechanism 12 and the second lifting mechanism 13 each comprise a double-rail driving unit. The lifting mechanism of the grinding and polishing device 100 of the grinding and polishing equipment in the embodiment adopts a double-rail driving unit, greatly improves the stability of the operation of the grinding and polishing tool and the precision of the lifting action, and is beneficial to the grinding and polishing quality and effect of the automatic grinding and polishing equipment.

[0038] As shown in Figure 8 The gantry support 11 comprises a first column 112, a second column 113 and a cross arm 111 connected to the top ends of the first column 112 and the second column 113 respectively, the first lifting mechanism 12 is connected to the first column 112, and the second lifting mechanism 13 is connected to the second column 113. The first column 112, the second column 113 and the cross arm 111 jointly form a reversed U-shaped support frame mechanism, that is, a gantry structure.

[0039] Please refer to Figure 9 and Figure 10 The first lifting mechanism 12 comprises a first driving unit 121, a first screw rod 1221 controlled to rotate by the first driving unit 121, two first rail units 122 arranged parallel to the two sides of the first screw rod 1221, a first connecting piece 125 connected to the first screw rod 1221 and a driven flange unit 14 connected to the first connecting piece 125.

[0040] The first rail unit 122 comprises a longitudinal rail and at least two sliding blocks slidingly connected to the longitudinal rail, the sliding blocks are also connected to the first connecting piece 125, and the longitudinal rail is connected to the first column 112. The sliding blocks and the longitudinal rail are in a trapezoidal clasp connection.

[0041] The driven flange unit 14 includes a flange connecting seat 141 connected to the first connecting member 125 and a flange 142 connected to the flange connecting seat 141. Specifically, the axial direction of the flange 142 is perpendicular to the lifting direction of the first lifting mechanism 12, and the plate surface of the flange 142 is horizontally facing the side of the second lifting mechanism 13.

[0042] In this embodiment, the first drive unit 122 is a rotation drive module such as a servo motor.

[0043] Since the belt polishing device 100 of this polishing equipment is used to perform the lifting and rotating actions of the polishing tool, particles such as debris will inevitably be generated during the polishing process. To improve the smoothness of operation and service life of the first lifting mechanism 12 and the second lifting mechanism 13, the first lifting mechanism 12 further includes an upper folding protective cover 124 connected to the upper edge of the first connecting member 125, and a lower folding protective cover 123 connected to the lower edge of the first connecting member 125. Specifically, both the upper folding protective cover 124 and the lower folding protective cover 123 are accordion-style protective covers. The driven flange unit 14 follows the first connecting member 125 and is controlled by the first drive unit 121 to move up and down along the first guide rail unit 122. The top edge of the upper folding protective cover 124 is fixedly connected to the top of the first column 112, and the lower edge of the lower folding protective cover 123 is fixedly connected to the bottom of the first column 112. During the synchronous lifting and lowering of the first connecting member 125 and the driven flange unit 14, the upper folding protective cover 124 and the lower folding protective cover 123 both follow the first connecting member 125 in the vertical extension and retraction movement, thereby keeping the internal structure of the first lifting mechanism 12 always inside the variable sealing protective cover composed of the first connecting member 125, the upper folding protective cover 124 and the lower folding protective cover 123, thereby preventing external abrasive debris from entering, damaging the track, and affecting its smoothness and service life.

[0044] Please refer to it again. Figures 11 to 14 The second lifting mechanism 13 includes: a second drive unit 135, a second lead screw 136 controlled to rotate by the second drive unit 135, a second guide rail unit 131 arranged parallel to both sides of the second lead screw 136, a second connector 132 connected to the second lead screw 136, and an active flange unit 15 connected to the second connector 132.

[0045] The upper edge of the second connector 132 is also connected to an upper folding protective cover 134, and the lower edge of the second connector 132 is also connected to a lower folding protective cover 133.

[0046] In the embodiment, the upper folding shield 134 and the lower folding shield 133 are both concertina shields. The upper folding shield 134 and the lower folding shield 133 have the same function as the first lifting mechanism 12.

[0047] The active flange unit 15 comprises a flange driving member 151, a right-angle commutator 152 and an active flange 153. The output shaft of the flange driving member 151 is connected to the input end of the right-angle commutator 152, and the output end of the right-angle commutator 152 is connected to the active flange 153. The flange driving member 151 is vertically arranged on the second vertical column 113, and the rotation direction of the active flange 153 is horizontal. Therefore, the right-angle commutator 152 is used for transmission commutation between the flange driving member 151 and the active flange 153, so as to realize power right-angle commutation of the flange driving member 151. The second connecting member 132 is also provided with a drag chain 154 for arranging wires electrically connected to the servo motor.

[0048] Please refer to Figure 13 and Figure 14 again. The second guide rail unit 131 comprises a longitudinal guide rail 1311 (1312) and at least two sliding blocks 1313 (1314) slidingly connected to the longitudinal guide rail 1311. The sliding blocks 1313 are also connected to the second connecting member 132, and the longitudinal guide rail 1311 is connected to the second vertical column 113.

[0049] The longitudinal guide rail 1311 and the longitudinal guide rail 1312 are fixedly connected to the second vertical column 113 and are parallelly distributed on both sides of the second lead screw 136. The second lead screw 136 is also provided with a lead screw seat 138, and the lead screw seat 138 is also connected to the second connecting member 132, so as to convert the rotation power of the second lead screw 136 into vertical lifting power. The second lead screw 136 is also provided with an upper shaft seat 137 near the upper end and a lower shaft seat 139 near the lower end, and the second lead screw 136 is rotatably inserted into the upper shaft seat 137 and the lower shaft seat 139. The second driving unit 135, the second guide rail unit 131, the second lead screw 136, the lead screw seat 138, the upper shaft seat 137 and the lower shaft seat 139 form a lead screw driving module.

[0050] In the embodiment, the second driving unit 135 and the flange driving member 151 are both servo motors.

[0051] Please refer to Figure 7The first lifting mechanism 12 and the second lifting mechanism 13 connected to the gantry support 11 are respectively used for driving the driven flange unit 14 and the driving flange unit 15 to perform synchronous lifting action, and the driven flange unit 14 and the driving flange unit 15 are oppositely arranged, and the grinding and polishing tool, such as a rough grinding tool and a fine grinding tool, is arranged between the two flange units. The two ends of the grinding and polishing tool are connected to the driven flange 142 and the driving flange 153 by screws. When it is necessary to adjust the angle of the grinding and polishing tool, the driving flange driving unit 151 is controlled to be started, and the driving flange 153 is rotated by a certain angle through the right-angle commutator 152, so that the angle adjustment of the grinding and polishing tool is realized.

[0052] The gantry device 100 of the embodiment is provided with two lifting mechanisms which are parallel and vertically distributed on the gantry support, the first lifting mechanism is internally provided with double tracks and at least two sliding blocks which are slidingly connected to the double tracks, so as to improve the lifting stability of the first lifting mechanism. Similarly, the second lifting mechanism is also provided with the mechanism of double tracks and at least two sliding blocks, so as to improve the lifting stability on the side. Meanwhile, the grinding and polishing tool lifting execution device which is composed of the first lifting mechanism and the second lifting mechanism further improves the stability of the overall lifting operation, so as to form a multi-stage stable design to improve the stability, and is used for driving the grinding and polishing tool to perform lifting action. Meanwhile, the lifting mechanism is also provided with a rotating flange to realize the rotating operation of the grinding and polishing tool in cooperation with the lifting mechanism. The gantry device has stable and reliable structure, and can realize the precise lifting and rotating action of the grinding and polishing tool.

[0053] Please refer to Figures 1 to 6 The grinding and polishing assembly 400 comprises a connecting seat 41 and at least one grinding and polishing unit 42 connected to the connecting seat 41. The grinding and polishing unit 42 comprises a grinding and polishing driving member 422 and a grinding and polishing abrasive belt 425 which is controlled to rotate by the grinding and polishing driving member 422.

[0054] In the embodiment, the grinding and polishing unit is provided with four groups. The grinding and polishing unit 42 and the grinding and polishing unit 43 are a group, and are arranged on the same side surface of the connecting seat 41. The grinding and polishing unit 44 and the grinding and polishing unit 45 are a second group, and are arranged on the other side surface of the connecting seat 41. The grinding and polishing unit 42, the grinding and polishing unit 43, the grinding and polishing unit 44 and the grinding and polishing unit 45 have the same main structure, and the only difference is that the mesh number of the grinding and polishing abrasive belt is different, that is, the granularity is different.

[0055] Specifically, taking the polishing unit 42 as an example, the polishing unit 42 further includes: a mounting plate 421, a drive pulley 423 connected to the top surface of the mounting plate 421 and several driven pulleys 424, the mounting plate 421 is also provided with a tensioning drive member 426, the moving end of the tensioning drive member 426 is also provided with a tensioning pulley 427, the polishing belt 425 is sequentially wound around the drive pulley 423, the driven pulleys 424 and the tensioning pulley 427, and the tensioning drive member 426 drives the tensioning pulley 427 to tension the polishing belt 425.

[0056] In this embodiment, the abrasive belt 425, after being tensioned, forms an approximately U-shaped opening. The protruding portion on its outer side is the grinding and polishing position that contacts the workpiece.

[0057] like Figure 3 As shown, the connecting seat 41 is provided with a plurality of mounting cavities 410. The grinding and polishing drive component 422 is recessed in the mounting cavity 410. The output end of the grinding and polishing drive component 422 is connected to the drive pulley 423 via a transmission belt. The grinding and polishing drive component 422 and the transmission belt are located on one side of the bottom surface of the mounting plate 421. The two ends 411 and 412 of the connecting seat 41 are respectively rotatably connected to the flange 142 of the first lifting mechanism 12 and the drive flange 153 of the second lifting mechanism 13.

[0058] The belt polishing device of the polishing equipment in this embodiment has two parallel and vertically distributed lifting mechanisms on the gantry bracket to drive the lifting and lowering of the polishing tool. At the same time, the lifting mechanism is also equipped with a rotating flange to drive the rotation angle of the polishing component. It operates stably and can be compatible with workpieces of different shapes. It has strong versatility and can save processing costs.

[0059] The above examples are merely illustrative of the technical content of this utility model to facilitate reader understanding, but do not imply that the implementation of this utility model is limited to these embodiments. Any technical extensions or re-creations made based on this utility model are protected by this utility model. The scope of protection of this utility model is defined by the claims.

Claims

1. A belt sander of an abrasive belt polishing apparatus of a polishing apparatus, characterized by, The grinding and polishing assembly comprises a connecting seat and at least one grinding and polishing unit connected to the connecting seat. The grinding and polishing unit further comprises a mounting plate, a driving pulley connected to the top surface of the mounting plate, and a plurality of driven pulleys.

2. The belt sander of the polishing apparatus according to claim 1, wherein The connecting seat is provided with a plurality of mounting cavities, and the grinding and polishing drive is arranged in the mounting cavities.

3. The belt sander of the polishing apparatus according to claim 2, wherein The grinding and polishing drive is connected to the driving pulley through a transmission belt.

4. The belt sander of the polishing apparatus according to claim 3, wherein The grinding and polishing drive and the transmission belt are arranged on the bottom surface of the mounting plate.

5. The belt sander of any one of claims 1 to 4, wherein The connecting seat is rotatably connected to the first lifting mechanism and the second lifting mechanism at both ends.

6. The belt sander of the polishing apparatus according to claim 5, wherein The first lifting mechanism comprises a first driving unit, a first screw rod controlled to rotate by the first driving unit, two first guide rail units arranged in parallel on both sides of the first screw rod, a first connecting piece connected to the first screw rod, and a driven flange unit connected to the first connecting piece.

7. The belt sander of the polishing apparatus according to claim 6, wherein The first guide rail unit comprises a longitudinal guide rail and at least two sliding blocks slidably connected to the longitudinal guide rail.

8. The belt sander of the polishing apparatus according to claim 7, wherein The sliding blocks are further connected to the first connecting piece, and the longitudinal guide rail is connected to the first stand.

9. The belt sander of the polishing apparatus according to claim 8, wherein The first lifting mechanism further comprises an upper folding protective cover connected to the upper end edge of the first connecting piece, and a lower folding protective cover connected to the lower end edge of the first connecting piece. The second lifting mechanism comprises a second driving unit, a second screw rod controlled to rotate by the second driving unit, a second guide rail unit arranged in parallel on both sides of the second screw rod, a second connecting piece connected to the second screw rod, and a driving flange unit connected to the second connecting piece. The upper end edge of the second connecting piece is further connected to an upper folding protective cover, and the lower end edge of the second connecting piece is further connected to a lower folding protective cover. The upper folding protective cover and the lower folding protective cover are both organ type protective covers.

10. The belt sander of the polishing apparatus according to claim 9, wherein The active flange unit comprises a flange driving element, a right-angle commutator and an active flange plate, an output shaft of the flange driving element is connected to an input end of the right-angle commutator, and an output end of the right-angle commutator is connected to the active flange plate.

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