CN211992146U - Grinding device and grinding machine - Google Patents

Abstract

The utility model belongs to the technical field of grinding processing, in particular to a grinding device and a grinding machine, the grinding device comprises a frame, a lifting driving mechanism, a mounting frame, a rotary driving mechanism, a floating mechanism, a detection mechanism and a control device, and a working platform for placing a workpiece is arranged on the frame; the lifting driving mechanism is arranged on the rack, and a lifting plate is arranged at the driving end of the lifting driving mechanism; the mounting rack is slidably mounted on the lifting plate and can slide up and down relative to the lifting plate; the rotary driving mechanism is arranged on the mounting frame, and an upper grinding tool is arranged at the driving end of the rotary driving mechanism; the floating mechanism comprises a lug and a floating groove which is transversely arranged, and the lug is positioned in the floating groove and moves up and down in the floating groove; the detection mechanism is used for detecting the position of the lug in the floating groove; the detection mechanism, the lifting driving mechanism and the rotating driving mechanism are electrically connected with the control device; the grinding device can completely eliminate the problems caused by the abrasion of the upper grinding tool and ensure the consistency of the sizes of the workpieces.

Description

Grinding device and grinding machine

Technical Field

The utility model belongs to the technical field of abrasive machining, especially, relate to a grinding device and grinding machine.

Background

The grinding device is a machine tool for grinding the surface of a workpiece by using a grinding tool, and most grinding devices are used for firstly placing the workpiece on a working platform, then downwards moving the grinding tool until the grinding tool is tightly abutted against the surface of the workpiece, and then driving the grinding tool to rotate at a high speed so as to grind the surface of the workpiece; however, in the actual use process, the grinding tool is gradually worn along with the increase of the number of times of use, so that the size difference of the workpieces obtained by the front and back grinding is large, the consistency of the workpieces is poor, and the processing precision of the workpieces obtained in the later period cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding device and grinding device aims at solving the grinding device among the prior art and causes the poor technical problem of work piece uniformity because the grinding apparatus gradually wears and teares.

In order to achieve the above object, the utility model adopts the following technical scheme: a grinding device comprises a rack, a lifting driving mechanism, a mounting rack, a rotary driving mechanism, a floating mechanism, a detection mechanism and a control device, wherein a working platform for placing a workpiece is arranged on the rack; the lifting driving mechanism is arranged on the rack, and a lifting plate is arranged at the driving end of the lifting driving mechanism; the mounting frame is slidably mounted on the lifting plate and can slide up and down relative to the lifting plate, the rotary driving mechanism is mounted on the mounting frame, an upper grinding tool is arranged at the driving end of the rotary driving mechanism, and the upper grinding tool is positioned right above the working platform; the floating mechanism comprises a lug and a floating groove which is transversely arranged, and the lug is positioned in the floating groove and moves up and down in the floating groove; the detection mechanism is used for detecting the position of the lug in the floating groove; the detection mechanism, the lifting driving mechanism and the rotating driving mechanism are all electrically connected with the control device; the floating groove is arranged on the mounting frame, and the lug is arranged on the lifting plate; or, the floating groove is arranged on the lifting plate, and the lug is arranged on the mounting frame.

Optionally, the detection mechanism includes a first groove sensor and a first shielding piece for triggering the first groove sensor, the first groove sensor is mounted on the mounting frame, and the first shielding piece is mounted on the lifting plate; or the first groove type sensor is arranged on the lifting plate, and the first shielding piece is arranged on the mounting frame;

when the lug abuts against the upper surface of the floating groove, the first shielding piece is positioned in the detection groove of the groove type sensor and triggers the first groove type sensor to feed back a signal to the control device;

the detection mechanism further comprises a second groove-shaped sensor and a second shielding piece for triggering the second groove-shaped sensor, and the second groove-shaped sensor is electrically connected with the control device;

the second groove type sensor is arranged on the mounting frame, and the second shielding piece is arranged on the lifting plate; or the second groove type sensor is arranged on the lifting plate, and the second shielding piece is arranged on the mounting frame;

when the lug abuts against the lower surface of the floating groove, the second shielding piece is positioned in the detection groove of the second groove type sensor and triggers the second groove type sensor to feed back a signal to the control device.

Optionally, the floating mechanism further comprises two transversely arranged long blocks, the two long blocks are arranged in parallel at intervals, and the interval between the two long blocks forms the floating groove.

Optionally, the grinding device further comprises a buffer cylinder, the buffer cylinder is mounted on the mounting frame, and a driving end of the buffer cylinder is arranged downwards and connected with the lifting plate.

Optionally, the lifting plate is provided with a slide rail which is vertically arranged, the side surface of the mounting frame is provided with a slide block, and the slide block is slidably mounted on the slide rail.

Optionally, the lifting driving mechanism comprises a first rotary driving part, a first transmission assembly, a screw rod and a nut, the screw rod is vertically arranged, the driving end of the rotary driving mechanism is connected with the screw rod through the first transmission assembly and used for driving the screw rod to rotate, and the nut is installed on the lifting plate and is in threaded connection with the screw rod.

Optionally, the lifting driving mechanism further comprises two supporting cylinders which are vertically arranged, the two supporting cylinders are installed on the working platform, connecting blocks are arranged on two opposite sides of the lifting plate, and the driving ends of the two supporting cylinders are connected with the two connecting blocks respectively.

Optionally, the rotary driving mechanism includes a second rotary driving member, a second transmission assembly and a vertically arranged rotating shaft, the rotating shaft is rotatably mounted on the mounting frame, a driving end of the second rotary driving member is connected with the rotating shaft through the second transmission assembly and used for driving the rotating shaft to rotate, and the upper grinding tool is connected with the rotating shaft.

Optionally, a lower grinding tool and a rotation driving mechanism are arranged on the working platform, the rotation driving mechanism is mounted on the rack, a driving end of the rotation driving mechanism is connected with the lower grinding tool and used for driving the lower grinding tool to rotate, and the lower grinding tool is located right below the upper grinding tool.

The utility model provides an above-mentioned one or more technical scheme among the grinding device have one of following technological effect at least: the grinding device needs to abut an upper grinding tool on a workpiece in the process of determining the preset grinding amount, at the moment, the grinding amount is adjusted by taking the workpiece as a reference, and in the long-time use process, each grinding process of the grinding device is adjusted by taking the corresponding workpiece as a basis, so that the problem caused by the abrasion of the upper grinding tool is completely eliminated, and the consistency of the sizes of the workpieces is ensured; in addition, the grinding amount can be freely set by adjusting the stroke of the lifting driving mechanism, and the processing quality of the cutter is ensured.

The utility model discloses another technical scheme be: a grinding machine comprises the grinding device.

Specifically, the grinding machine of the embodiment of the utility model adopts the grinding device, and the grinding amount is adjusted by taking the workpiece as a reference, so that in the long-time use process, each grinding process of the grinding device is adjusted by taking the workpiece corresponding to the time as a basis, thereby completely eliminating the problem caused by the abrasion of the upper grinding tool and ensuring the consistency of the workpiece size; in addition, the grinding amount can be freely set by adjusting the stroke of the lifting driving mechanism, and the processing quality of the cutter is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a grinding device provided by an embodiment of the present invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a schematic diagram of a first view angle of the component indicated by arrow B in fig. 1.

Fig. 4 is a schematic diagram of a second perspective view of the component indicated by arrow B in fig. 1.

Fig. 5 is a schematic structural diagram of a third viewing angle of a component indicated by an arrow B in fig. 1.

Fig. 6 is an exploded view from one perspective of the components shown in fig. 3.

FIG. 7 is an exploded view from another perspective of the components shown in FIG. 3

Fig. 8 is a schematic structural view of a part indicated by an arrow C in fig. 1.

Fig. 9 is an exploded view of the components shown in fig. 8.

Fig. 10 is a schematic structural view of a grinding machine according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-grinding device 11-frame 12-lifting driving mechanism

13-mounting frame 14-rotary driving mechanism 15-buffer cylinder

16-floating mechanism 17-rotation driving mechanism 20-first conveying mechanism

30-planetary disk manipulator 40-second conveying mechanism 50-workpiece manipulator

60-planetary plate 70-material plate 111-working platform

112-fixed frame 113-drag chain 121-lifting plate

122-first rotary driving member 123-first transmission assembly 124-screw rod

125-nut 126-supporting cylinder 127-bearing seat assembly

132-sliding block 133-mounting base 134-mounting plate

141-upper grinding tool 142-second rotary driving member 143-second transmission assembly

144-rotating shaft 161-projection 162-floating groove

163-long block 171-lower grinding tool 172-spindle

173-rotating sleeve 174-rotating disk 175-third rotary driving member

176-third transmission assembly 177-fourth rotary driving member 178-fourth transmission assembly

181-belt wheel 182-belt 183-bearing

184-protective cover 1121-guide rail 1212-slide rail

1213-guide block 1214-connection block 1311-first groove sensor

1313-third groove sensor 12111-first shielding sheet 12112-second shielding sheet

12113-third shutter.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to fig. 1 to 10 are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 10, in an embodiment of the present invention, a grinding apparatus 10 is provided, the grinding apparatus 10 including:

the device comprises a frame 11, wherein a working platform 111 for placing a workpiece is arranged on the frame 11;

the lifting driving mechanism 12 is arranged on the rack 11, and a lifting plate 121 is arranged at the driving end of the lifting driving mechanism 12;

a mounting bracket 13 slidably mounted on the lifting plate 121 and capable of sliding up and down with respect to the lifting plate 121;

the rotary driving mechanism 14 is arranged on the mounting frame 13, an upper grinding tool 141 is arranged at the driving end of the rotary driving mechanism 14, and the upper grinding tool 141 is positioned right above the working platform 111;

the floating mechanism 16, the floating mechanism 16 includes the lug 161 and floating slot 162 that is disposed horizontally, the lug 161 locates in floating slot 162 and moves up and down in floating slot 162;

a detection mechanism for detecting a position of the bump 161 in the float groove 162;

the detection mechanism, the lifting driving mechanism 12 and the rotating driving mechanism 14 are all electrically connected with the control device;

the floating slot 162 is arranged on the mounting frame 13, and the projection 161 is arranged on the lifting plate 121;

alternatively, the floating groove 162 is provided on the elevating plate 121, and the projection 161 is provided on the mounting bracket 13.

In this embodiment, the floating groove 162 of the grinding device 10 of the embodiment of the present invention is disposed on the mounting frame 13, and when the bump 161 is disposed on the lifting plate 121, when the grinding device 10 works, after the workpiece is placed on the working platform 111, the lifting driving mechanism 12 is started, the lifting driving mechanism 12 drives the lifting plate 121 to descend, the lifting plate 121 drives the mounting frame 13 connected to the lifting plate to descend, in the process that the mounting frame 13 moves downwards, the upper grinding tool 141 mounted on the mounting frame 13 also descends along with the upper grinding tool, when the bump 161 abuts against the lower surface of the floating groove 162, at this time, the upper grinding tool 141 abuts against the workpiece, and the lifting driving mechanism 12 cannot drive the upper grinding tool 141 to move downwards, meanwhile, when the detecting mechanism detects that the bump 161 abuts against the lower surface of the floating groove 162, a feedback signal is sent to the control device, the control device sends an instruction to drive the lifting driving mechanism 12 to move upwards, so that the distance between the upper surface of the bump 161 and the upper surface of, and then, the rotary driving mechanism is started to drive the upper grinding tool 141 to rotate, so as to grind the workpiece, in the grinding process, the floating groove 162 continuously moves downwards relative to the bump 161 until the bump 161 abuts against the upper surface of the floating groove 162, so that the workpiece grinding operation is completed, when the bump 161 abuts against the upper surface of the floating groove 162, the upper grinding tool 141 cannot move downwards any more, so that the workpiece cannot be machined, in the process, the distance that the floating groove 162 continuously moves downwards relative to the bump 161 is a preset grinding amount, namely, the distance that the upper grinding tool 141 moves downwards is the preset grinding amount, and the accuracy of the workpiece machining is good.

In this embodiment, the floating groove 162 of the grinding device 10 of the embodiment of the present invention is disposed on the lifting plate 121, and when the bump 161 is disposed on the mounting frame 13, when the grinding device 10 works, after the workpiece is placed on the working platform 111, the lifting driving mechanism 12 is started, the lifting driving mechanism 12 drives the lifting plate 121 to descend, the lifting plate 121 drives the mounting frame 13 connected to the lifting plate to descend, in the process that the mounting frame 13 moves downwards, the upper grinding tool 141 mounted on the mounting frame 13 also descends along with the upper grinding tool, when the bump 161 abuts against the upper surface of the floating groove 162, at this time, the upper grinding tool 141 abuts against the workpiece, and the lifting driving mechanism 12 cannot drive the upper grinding tool 141 to move downwards, meanwhile, when the detecting mechanism detects that the bump 161 abuts against the upper surface of the floating groove 162, a feedback signal is sent to the control device, the control device sends an instruction to drive the lifting driving mechanism 12 to move upwards, so that the distance between the lower surface of the bump 161 and the lower, and then, the rotary driving mechanism is started to drive the upper grinding tool 141 to rotate, so as to grind the workpiece, in the grinding process, the floating groove 162 continuously moves downwards relative to the bump 161 until the bump 161 abuts against the upper surface of the floating groove 162, so that the workpiece grinding operation is completed, when the bump 161 abuts against the lower surface of the floating groove 162, the upper grinding tool 141 cannot move downwards any more, so that the workpiece cannot be machined, in the process, the distance that the bump 161 continuously moves downwards relative to the floating groove 162 is the preset grinding amount, namely, the distance that the upper grinding tool 141 moves downwards is the preset grinding amount, and the accuracy of the workpiece machining is good.

In the embodiment, in the process of determining the preset grinding amount, the grinding device 10 needs to make the upper grinding tool 141 abut against the workpiece, at this time, the grinding amount is adjusted based on the workpiece, and in the long-time use process, each grinding process of the grinding device 10 is performed based on the corresponding workpiece at that time, so that the problem caused by the abrasion of the upper grinding tool 141 is completely eliminated, and the consistency of the sizes of the workpieces is ensured; in addition, the grinding amount can be freely set by adjusting the stroke of the lifting driving mechanism 12, and the processing quality of the cutter is ensured.

Further, referring to fig. 2, the floating groove 162 is disposed on the mounting frame 13, and the protrusion 161 is disposed on the lifting plate 121 for example, when the protrusion 161 is located on the upper wall surface of the floating groove 162 and abuts against the upper wall surface, the mounting frame 13 cannot move downward relative to the lifting plate 121, and the upper grinding tool 141 cannot move downward, so that the workpiece cannot be ground, and thus the workpiece cannot be over-processed by the upper grinding tool 141, and the processing effect is good; when the protrusion 161 abuts against the lower wall surface of the floating groove 162, the mounting frame 13 cannot move upward relative to the lifting plate 121, and the upper grinding tool 141 cannot move upward, but the upper grinding tool 141 can gradually process the workpiece as the workpiece is ground and moved downward, thereby achieving gradual processing of the workpiece.

In another embodiment of the present invention, referring to fig. 3, 4 and 6, the detecting mechanism includes a first slot sensor 1311 and a first shielding plate 12111 for triggering the first slot sensor 1311, the first slot sensor 1311 is mounted on the mounting frame 13, and the first shielding plate 12111 is mounted on the lifting plate 121; alternatively, the first groove sensor 1311 is mounted on the lifting plate 121, and the first shielding sheet 12111 is mounted on the mounting frame 13; when the bump 161 abuts against the upper surface of the floating slot 162, the first shielding piece 12111 is located in the detection slot of the first slot type sensor 1311 and triggers the first slot type sensor 1311 to feed back a signal to the control device; the detection mechanism further comprises a second slot type sensor (not shown) and a second shielding sheet 12112 for triggering the second slot type sensor, and the second slot type sensor is electrically connected with the control device; the second slot sensor is mounted on the mounting frame 13, and the second shielding sheet 12112 is mounted on the lifting plate 121; or, the second slot sensor is mounted on the lifting plate 121, and the second shielding sheet 12112 is mounted on the mounting frame 13; when the protrusion 161 abuts against the lower surface of the floating slot 162, the second blocking piece 12112 is located in the detection slot of the second slot type sensor and triggers the feedback signal of the second slot type sensor to the control device. Specifically, when the floating groove 162 of the grinding device 10 according to the embodiment of the present invention is disposed on the mounting frame 13 and the protrusion 161 is disposed on the lifting plate 121, when the grinding device 10 is in operation, when the projection 161 abuts against the lower surface of the floating groove 162, that is, when the upper grinding tool 141 abuts against the workpiece, the second shielding sheet 12112 is located in the detection slot of the second slot type sensor, thereby triggering the second groove type sensor to feed back a signal to the control device, the control device sends an instruction to stop the movement of the lifting driving mechanism 12, and controls the elevation driving mechanism 12 to adjust the position of the elevation plate 121 so that the distance between the protrusion 161 and the upper surface of the floating groove 162 is equal to a predetermined grinding amount, thereby improving the accuracy of the processing, meanwhile, the control device starts the rotary driving mechanism 14, and the rotary driving mechanism 14 drives the upper grinding tool 141 to rotate, so as to process the workpiece; when the processing is completed and the bump 161 abuts against the upper surface of the floating groove 162 at this time, the first blocking piece 12111 is located in the detection groove of the first groove sensor 1311, so as to trigger the first groove sensor 1311 to feed back a signal to the control device, and the control device sends an instruction to stop the movement of the lifting driving mechanism 12 and stop the rotation driving mechanism 14 to stop the processing of the workpiece, thereby realizing the full-automatic processing and high-precision processing of the workpiece. Specifically, when the floating groove 162 of the grinding device 10 according to the embodiment of the present invention is disposed on the lifting plate 121, and the projection 161 is disposed on the mounting frame 13, when the grinding device 10 is in operation, when the projection 161 abuts against the upper surface of the floating groove 162, that is, when the upper grinding tool 141 abuts against the workpiece, the first shielding plate 12111 is located in the detection slot of the first slot sensor 1311, thereby triggering the first groove type sensor 1311 to feed back a signal to the control device, the control device gives an instruction to stop the movement of the elevation drive mechanism 12, and controls the elevation driving mechanism 12 to adjust the position of the elevation plate 121 such that the distance between the protrusion 161 and the lower surface of the floating groove 162 is equal to a predetermined grinding amount, thereby improving the accuracy of the processing, meanwhile, the control device starts the rotary driving mechanism 14, and the rotary driving mechanism 14 drives the upper grinding tool 141 to rotate, so as to process the workpiece; after the machining is completed, when the bump 161 abuts against the lower surface of the floating groove 162 at this time, the second shielding sheet 12112 is located in the detection groove of the second groove type sensor, so as to trigger a feedback signal of the second groove type sensor to the control device, and the control device sends an instruction to stop the movement of the lifting driving mechanism 12 and stop the rotation driving mechanism 14 to stop the machining of the workpiece, thereby realizing the full-automatic machining and the high-precision machining of the workpiece.

In another embodiment of the present invention, referring to fig. 2, 6 and 7, the floating mechanism 16 of the grinding device 10 further includes two horizontally disposed long blocks 163, the two long blocks 163 are disposed in parallel and spaced, a floating groove 162 is formed between the two long blocks 163, and the protrusion 161 is located between the two long blocks 163 and blocked by the two long blocks 163, so as to perform a limiting function. Specifically, the floating groove 162 is formed by the interval between the two long blocks 163, which is simple in structure and convenient to manufacture, and the long blocks 163 have good structural strength, and can also play a role in stably supporting the bump 161, thereby ensuring the stability and reliability of processing.

In another embodiment of the present invention, referring to fig. 2, 6 and 7, the grinding device 10 further comprises a buffer cylinder 15, the buffer cylinder 15 is mounted on the mounting frame 13, and the driving end of the buffer cylinder 15 is disposed downward and connected to the lifting plate 121. Specifically, the cushion cylinder 15 can support the upper grinding tool 141 and the rotation driving assembly, so as to prevent the bump 161 from being damaged due to excessive stress, and at the same time, the weight of the upper grinding tool 141 borne by the workpiece can be reduced, so that the grinding force between the workpiece and the upper grinding tool 141 is moderate, and the upper grinding tool 141 is prevented from being damaged.

In another embodiment of the present invention, referring to fig. 2, 6 and 7, a sliding rail 1212 is provided on the lifting plate 121 of the grinding device 10, the sliding block 132 is provided on the side of the mounting frame 13, and the sliding block 132 is slidably mounted on the sliding rail 1212. Particularly, under the guiding action of the slider 132 and the sliding rail 1212, the mounting frame 13 moves stably and reliably, so that the stability and reliability of the grinding process of the upper grinding tool 141 can be ensured, and the quality of the grinding process of the workpiece can be improved.

Further, the number of the sliding rails 1212 and 1212 can be two, three or four, the sliding rails 1212 and the second sliders 132 are slidably connected in a one-to-one correspondence manner, the more the number of the sliding rails 1212 and the sliding rails 1212 is, the better the stability of the vertical movement of the mounting frame 13 is, and the grinding quality of the workpiece can be effectively guaranteed.

In another embodiment of the present invention, referring to fig. 2, 6 and 7, a fixing frame 112 is fixedly mounted on the working platform 111 of the grinding device 10, a guide rail 1121 which is vertically disposed is disposed on the fixing frame 112, a guide block 1213 is disposed on the lifting plate 121, and the guide block 1213 is slidably mounted on the guide rail 1121. Specifically, the fixing frame 112 provides a mounting base for the guide rail 1121; in addition, the guide block 1213 slides on the guide rail 1121 to guide the up-and-down movement of the lifting plate 121, so that the up-and-down movement stability of the lifting plate 121 is ensured, the inclination or deviation of the up-and-down movement of the lifting plate 121 is avoided, and the grinding processing of the workpiece has good processing quality.

Further, the number of the guide rails 1121 and the guide blocks 1213 can be two, three or four, the guide rails 1121 and the guide blocks 1213 are in one-to-one sliding connection, the larger the number of the guide rails 1121 and the guide blocks 1213 is, the better the up-and-down movement stability of the lifting plate 121 is, and the grinding quality of the workpiece can be effectively ensured.

Further, referring to fig. 2, the sliding rail 1212 and the guide block 1213 are respectively mounted on two opposite sides of the lifting plate 121, so that the arrangement is beneficial to the arrangement of other components, and the problem of motion interference can be avoided.

In another embodiment of the present invention, referring to fig. 2, 5 and 6, the lifting driving mechanism 12 of the grinding device 10 includes a first rotary driving member 122, a first transmission assembly 123, a screw rod 124 and a nut 125, the screw rod 124 is vertically disposed, the driving end of the rotary driving mechanism 14 is connected to the screw rod 124 through the first transmission assembly 123 and is used for driving the screw rod 124 to rotate, and the nut 125 is installed on the lifting plate 121 and is screwed with the screw rod 124. Specifically, the rotary power output by the first rotary driving member 122 is transmitted to the lead screw 124 through the first transmission assembly 123, so that the lead screw 124 rotates, and in the process of rotating the lead screw 124, the nut 125 screwed on the lead screw 124 moves up and down along the axis of the lead screw 124, and the nut 125 is mounted on the lifting plate 121, so as to drive the lifting plate 121 to move up and down.

Further, both ends of the screw rod 124 are rotatably mounted on the fixing frame 112 through the bearing seat assembly 127, the rotation of the screw rod 124 is more smooth and stable, and the up-down movement stability of the lifting plate 121 is ensured.

In another embodiment of the present invention, referring to fig. 2, 5 and 6, the lifting driving mechanism 12 of the grinding device 10 further includes two supporting cylinders 126 vertically disposed, the two supporting cylinders 126 are both mounted on the working platform 111, the two opposite sides of the lifting plate 121 are both provided with connecting blocks 1214, and the driving ends of the two supporting cylinders 126 are respectively connected with the two connecting blocks 1214. Specifically, the driving end of the supporting cylinder 126 extends and retracts reciprocally to drive the lifting plate 121 to move up and down, and the supporting cylinder 126 can play a role in supporting the lifting plate 121 to share a part of the gravity of the lifting plate 121, the mounting frame 13 and the rotary driving mechanism 14, so that the damage to the screw rod 124 and the nut 125 caused by directly and completely pressing the lifting plate 121, the mounting frame 13, the rotary driving mechanism 14 and other parts at the joint of the screw rod 124 and the nut 125 is avoided, the function of protecting the screw rod 124 and the nut 125 is realized, and the service life of the grinding device 10 can be prolonged.

In another embodiment of the present invention, referring to fig. 2, 4 and 6, the rotation driving mechanism 14 of the grinding device 10 includes a second rotation driving member 142, a second transmission assembly 143 and a rotation shaft 144 vertically disposed, the rotation shaft 144 is rotatably mounted on the mounting frame 13, the driving end of the second rotation driving member 142 is connected to the rotation shaft 144 through the second transmission assembly 143 and is used for driving the rotation shaft 144 to rotate, and the upper grinding tool 141 is connected to the rotation shaft 144. Specifically, the power of the second rotary driving member 142 is transmitted to the rotating shaft 144 through the second transmission assembly 143 and drives the rotating shaft 144 to rotate, and the rotating shaft 144 drives the upper grinding tool 141 to rotate at a high speed in the rotating process, so as to achieve the grinding of the workpiece.

In another embodiment of the present invention, referring to fig. 2, 6 and 7, the mounting frame 13 of the grinding device 10 is provided to include a mounting seat 133 and a mounting plate 134, the first rotary driving member 122 and the mounting seat 133 are respectively mounted on two opposite sides of the mounting plate 134 and respectively located on two opposite sides of the lifting plate 121, the rotating shaft 144 is mounted in the mounting seat 133, and the cushion cylinder 15 is mounted on the mounting plate 134 and located between the first rotary driving member 122 and the mounting seat 133. Specifically, the mounting seat 133 and the first rotary driving member 122 are respectively located on two opposite sides of the lifting plate 121, so that the components of the whole rotary driving mechanism 14 are respectively uniform, and the center of gravity of the whole rotary driving mechanism is close to the lifting plate 121, so that the lifting plate 121 drives the whole rotary driving mechanism 14 to move up and down more stably and reliably, and the inclination of the rotary driving mechanism 14 can be greatly prevented. More specifically, the mounting seat 133 is provided with a mounting hole, and the rotating shaft 144 is mounted in the mounting hole through the bearing 183, so that the rotating shaft 144 can rotate more smoothly and stably, and the machining stability and reliability of the upper grinding tool 141 can be ensured.

Further, referring to fig. 4, the first rotary driving member 122 is located in the fixing frame 112 and connected to the fixing frame 112 through the drag chain 113, and the first rotary driving member 122 moves up and down along with the lifting plate 121 more stably and reliably.

Furthermore, two third slot sensors 1313 which are spaced up and down are arranged on the fixing frame 112, a third shielding piece 12113 which is used in cooperation with the third slot sensors 1313 is arranged on the lifting plate 121, and when the lifting plate 121 moves to the end point of the up-down stroke, the third shielding pieces 12113 are respectively located in the detection slots of the corresponding third slot sensors 1313, so that the position of the lifting plate 121 is obtained, the situation that the lifting plate 121 is excessively moved to cause damage to components is avoided, and the processing is safer and more stable.

In another embodiment of the present invention, referring to fig. 1 and fig. 2, a lower grinding tool 171 and a rotation driving mechanism 17 are provided on the working platform 111 of the grinding device 10, the rotation driving mechanism 17 is installed on the frame 11, a driving end of the rotation driving mechanism 17 is connected to the lower grinding tool 171 and is used for driving the lower grinding tool 171 to rotate, and the lower grinding tool 171 is located under the upper grinding tool 141. Specifically, after the tool is placed on the lower grinding tool 171, the lifting driving assembly drives the lower grinding tool 171 to move downwards, so as to clamp the workpiece between the upper grinding tool 141 and the lower grinding tool 171; when the upper grinding tool 141 rotates to grind the upper surface of the workpiece, the lower grinding tool 171 is driven by the rotation driving mechanism 17 to rotate, the rotating lower grinding tool 171 machines the lower surface of the workpiece, and meanwhile, the double-end-face grinding of the workpiece is completed, so that the production efficiency is improved.

Further, referring to fig. 2, 7 and 8, the rotation driving mechanism 17 includes a main shaft 172, a rotation sleeve 173, a rotation disc 174, a third rotation driving member 175, a third transmission assembly 176, a fourth rotation driving member 177 and a fourth transmission assembly 178, an avoidance hole is formed in the middle of the lower grinding tool 171, the rotation sleeve 173 is sleeved outside the main shaft 172 and rotatably connected to the main shaft 172, two ends of the main shaft 172 protrude out of the rotation sleeve 173, the rotation sleeve 173 is rotatably mounted on the frame 11, the upper end of the rotation sleeve 173 is connected to the lower grinding tool 171, the upper end of the main shaft 172 is connected to the rotation disc 174, the rotation disc 174 is located in the avoidance hole, and the third rotation driving member 175 is connected to the lower end of the main shaft 172 through the third transmission assembly 176 and is used for driving the main shaft 172 to rotate, so as to drive the rotation disc 174 connected to the third rotation driving; the fourth rotary driving member is connected with the lower end of the rotating sleeve 173 through a fourth transmission assembly 178 and is used for driving the rotating sleeve 173 to rotate, so as to drive the lower grinding tool 171 connected with the fourth rotary driving member to rotate; the rotating disc 174 is provided with a plurality of first positioning pins which are uniformly arranged at intervals along the circumferential direction, the working platform 111 is provided with second positioning pins which are arranged at intervals along the circumference of the lower grinding tool 171 and are close to the circumference of the lower grinding tool, when a workpiece needs to be placed in the planetary disc 60 for grinding, the planetary disc 60 loaded with the workpiece is placed on the lower grinding tool 171 at uniform intervals along the circumferential direction of the main shaft 172, meanwhile, circular teeth on two opposite sides of the planetary disc 60 are respectively meshed with the first positioning pins and the second positioning pins, when the main shaft 172 drives the rotating disc 174 to rotate, the planetary disc 60 is driven to revolve around the axis of the main shaft 172 and rotate around the axis of the planetary disc 60, meanwhile, the rotating sleeve 173 drives the lower grinding tool 171 to rotate, so that the lower surface of the workpiece can be sufficiently ground, and the processing performance is good.

Further, the first rotary driving element 122, the second rotary driving element 142, the third rotary driving element 175 and the fourth rotary driving element are all motors, the first transmission assembly 123, the second transmission assembly 143, the third transmission assembly 176 and the fourth transmission assembly 178 are all synchronous pulley 181 assemblies, an output shaft of the motor is connected with one pulley 181 in the synchronous pulley 181 assemblies, the other pulley 181 is respectively connected with the corresponding screw rod 124, the rotating shaft 144, the main shaft 172 and the rotating sleeve 173, the output shaft of the motor rotates to drive the pulley 181 connected therewith to rotate, the pulley 181 drives the other pulley 181 to rotate through the belt 182, and the other pulley 181 drives the corresponding connecting screw rod 124, the rotating shaft 144, the main shaft 172 and the rotating sleeve 173 to rotate.

Further, the rotating sleeve 173 is mounted on the frame 11 through the bearing 183, so that the rotating sleeve 173 is smooth, stable and reliable; the rotating sleeve 173 is also connected with the main shaft 172 through the bearing 183, so that interference between the main shaft 172 and the rotating shaft 144 can be avoided, and smooth grinding of the workpiece can be ensured.

Further, the upper grinder 141 and the lower grinder 171 are grinding wheels.

Furthermore, the outer sides of the upper grinding tool 141, the lower grinding tool 171 and the second transmission assembly 143 are all surrounded by a protective cover 184, so that waste chips generated by workpiece processing are prevented from splashing outside the grinding device 10, and cleaning is facilitated.

In another embodiment of the present invention, as shown in fig. 1 and 10, there is provided a grinding machine including the above-described grinding device 10.

Specifically, the grinding machine according to the embodiment of the present invention, due to the adoption of the grinding device 10, the grinding amount is adjusted based on the workpiece, and in the long-time use process, the grinding amount is adjusted based on the workpiece corresponding to the time in each grinding process of the grinding device, so that the problem caused by the abrasion of the upper grinding tool 141 is completely eliminated, and the consistency of the workpiece size is ensured; in addition, the grinding amount can be freely set by adjusting the stroke of the lifting driving mechanism 12, and the processing quality of the cutter is ensured.

Further, referring to fig. 10, the work platform 111 is further provided with a first conveying mechanism 20, a planetary disk manipulator 30, a second conveying mechanism 40 and a workpiece manipulator 50, the first conveying mechanism 20, the second conveying mechanism 40 and the grinding device 10 are sequentially arranged side by side, during work, the material tray 70 loaded with the workpiece is placed on the first conveying mechanism 20, the first conveying mechanism 20 conveys the material tray 70 to a preset position, the workpiece manipulator 50 moves the workpiece on the first conveying mechanism 20 into the planetary disk 60 on the second conveying mechanism 40, the second conveying mechanism 40 conveys the planetary disk 60 loaded with the workpiece to the preset position, the planetary disk manipulator 30 pulls the planetary disk 60 into the lower grinding tool 171, then the grinding device 10 grinds the workpiece, after the machining is completed, the planetary disk manipulator 30 moves the planetary disk 60 in the grinding device 10 to the second conveying mechanism 40, the workpiece manipulator 50 moves the processed workpiece in the planetary plate 60 to the tray 70, and finally the tray 70 enters the next processing procedure under the conveying of the first conveying mechanism 20, so that the automatic operation of loading and unloading the workpiece is completed.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A grinding apparatus, comprising:

the device comprises a rack, wherein a working platform for placing a workpiece is arranged on the rack;

the lifting driving mechanism is arranged on the rack, and a lifting plate is arranged at the driving end of the lifting driving mechanism;

the mounting rack is slidably mounted on the lifting plate and can slide up and down relative to the lifting plate;

the rotary driving mechanism is arranged on the mounting frame, an upper grinding tool is arranged at the driving end of the rotary driving mechanism, and the upper grinding tool is positioned right above the working platform;

the floating mechanism comprises a lug and a floating groove which is transversely arranged, and the lug is positioned in the floating groove and moves up and down in the floating groove;

the detection mechanism is used for detecting the position of the lug in the floating groove;

the detection mechanism, the lifting driving mechanism and the rotating driving mechanism are electrically connected with the control device;

the floating groove is arranged on the mounting frame, and the lug is arranged on the lifting plate;

or, the floating groove is arranged on the lifting plate, and the lug is arranged on the mounting frame.

2. The grinding device of claim 1 wherein the detection mechanism includes a first channel sensor mounted to the mounting bracket and a first shield plate mounted to the lifter plate for triggering the first channel sensor; or the first groove type sensor is arranged on the lifting plate, and the first shielding piece is arranged on the mounting frame;

when the lug abuts against the upper surface of the floating groove, the first shielding piece is positioned in the detection groove of the groove type sensor and triggers the first groove type sensor to feed back a signal to the control device;

the detection mechanism further comprises a second groove-shaped sensor and a second shielding piece for triggering the second groove-shaped sensor, and the second groove-shaped sensor is electrically connected with the control device;

the second groove type sensor is arranged on the mounting frame, and the second shielding piece is arranged on the lifting plate; or the second groove type sensor is arranged on the lifting plate, and the second shielding piece is arranged on the mounting frame;

when the lug abuts against the lower surface of the floating groove, the second shielding piece is positioned in the detection groove of the second groove type sensor and triggers the second groove type sensor to feed back a signal to the control device.

3. The grinding apparatus of claim 1 wherein said float mechanism further includes two transversely disposed elongated blocks, said two elongated blocks being disposed in parallel spaced relationship, the spacing between said two elongated blocks defining said float slot.

4. The grinding apparatus of claim 1 further comprising a cushion cylinder mounted to the mounting frame with a drive end of the cushion cylinder facing downward and connected to the lift plate.

5. The grinding device according to any one of claims 1 to 4, wherein the lifting plate is provided with a vertically arranged slide rail, and the side surface of the mounting frame is provided with a slide block which is slidably mounted on the slide rail.

6. The grinding device according to any one of claims 1 to 4, wherein the lifting driving mechanism comprises a first rotary driving member, a first transmission assembly, a screw rod and a nut, the screw rod is vertically arranged, the driving end of the rotary driving mechanism is connected with the screw rod through the first transmission assembly and is used for driving the screw rod to rotate, and the nut is mounted on the lifting plate and is in threaded connection with the screw rod.

7. The grinding device according to any one of claims 1 to 4, wherein the lifting driving mechanism further comprises two vertically arranged supporting cylinders, the two supporting cylinders are both mounted on the working platform, connecting blocks are arranged on two opposite sides of the lifting plate, and driving ends of the two supporting cylinders are respectively connected with the two connecting blocks.

8. The grinding device according to any one of claims 1 to 4, wherein the rotary driving mechanism comprises a second rotary driving member, a second transmission assembly and a vertically arranged rotating shaft, the rotating shaft is rotatably mounted on the mounting frame, a driving end of the second rotary driving member is connected with the rotating shaft through the second transmission assembly and is used for driving the rotating shaft to rotate, and the upper grinding tool is connected with the rotating shaft.

9. The grinding device according to any one of claims 1 to 4, wherein a lower grinding tool and a rotary driving mechanism are arranged on the working platform, the rotary driving mechanism is mounted on the frame, a driving end of the rotary driving mechanism is connected with the lower grinding tool and is used for driving the lower grinding tool to rotate, and the lower grinding tool is positioned right below the upper grinding tool.

10. A grinding machine comprising a grinding apparatus as claimed in any one of claims 1 to 9.

Images