阅读说明：本技术 一种五金件无心磨设备 (Hardware centerless grinding equipment ) 是由 徐振强 徐瑗徽 张国辉 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种五金件无心磨设备,包括磨外圆装置、设于进料处用于五金件夹持输送的第一夹持装置、设于出料处用于五金件夹持输送的第二夹持装置、用于磨后五金件外径及圆度检测的检测装置；所述第一夹持装置设有第一送料带和第二送料带,用于夹持五金件的第一夹持组件；所述第二夹持装置设有第三送料带和第四送料带,用于夹持五金件的第二夹持组件,以及用于清理五金件表面的清理组件。本发明解决较长五金工件磨削过程中跳动问题,并对五金工件圆度及外径全检。(The invention discloses hardware centerless grinding equipment which comprises an excircle grinding device, a first clamping device, a second clamping device and a detection device, wherein the first clamping device is arranged at a feeding position and used for clamping and conveying hardware; the first clamping device is provided with a first feeding belt and a second feeding belt and is used for clamping a first clamping component of hardware; the second clamping device is provided with a third feeding belt and a fourth feeding belt, and is used for clamping a second clamping assembly of the hardware and a cleaning assembly for cleaning the surface of the hardware. The invention solves the problem of jumping in the grinding process of longer hardware workpieces, and fully detects the roundness and the outer diameter of the hardware workpieces.)

1. The utility model provides a hardware centerless grinding equipment which characterized in that: including grinding external device (1), locate first clamping device (2) that the feeding department is used for the hardware centre gripping to carry, locate second clamping device (3) that the ejection of compact department is used for the hardware centre gripping to carry, be used for grinding detection device (4) of back hardware external diameter and circularity detection, grinding external device (1) includes emery wheel (10), regulating wheel (11), is used for driving first drive assembly (12) that the regulating wheel removed, is located layer board (13) between emery wheel and the regulating wheel.

2. The hardware centerless grinding equipment of claim 1, wherein: the first clamping device (2) comprises a first feeding belt (20), a second feeding belt (21), a second driving assembly (22) used for driving the first feeding belt and the second feeding belt to rotate relatively, and a first clamping assembly (23) used for clamping hardware.

3. The hardware centerless grinding equipment of claim 2, wherein: the first clamping assembly (23) comprises a first fixing frame (230), a hollow shaft (231) rotatably arranged on the first fixing frame, an outer tooth groove (232) arranged on the hollow shaft, a first gear (233) meshed with the outer tooth groove, a first motor (234) used for driving the first gear to rotate, a fixed pipe (235) fixedly arranged on the first fixing frame in the hollow shaft, a plurality of clamping blocks (236) which are annularly distributed at equal intervals, one end of the fixed pipe is rotatably arranged on the hollow shaft, the other end of the fixed pipe is rotatably arranged on the fixed pipe, the other end of the fixed pipe is fixedly arranged on a torsion spring (237) arranged on the hollow shaft, and a plurality of first balls (238) which are rotatably arranged on the clamping blocks.

4. The hardware centerless grinding equipment of claim 1, wherein: the second clamping device (3) comprises a third feeding belt (30), a fourth feeding belt (31), a third driving assembly (32) used for driving the third feeding belt and the fourth feeding belt to rotate relatively, a second clamping assembly (33) used for clamping hardware and a cleaning assembly (34) used for cleaning the surface of the hardware.

5. The hardware centerless grinding equipment of claim 4, wherein: second centre gripping subassembly (33) include second mount (330), rotate sleeve pipe (331) of locating on the second mount, locate tooth's socket (332) of sleeve pipe one end, rotate locate on the second mount and with second gear (333) and third gear (334) of tooth's socket meshing, be used for driving second gear pivoted second motor (335), be located that the sleeve pipe internal fixation locates on the second mount one end be wavy first fixed pipe (336), second fixed pipe (337) of using with first fixed pipe cooperation, equidistance annular distribution just can move and locate multiunit telescopic link group (338) on the intraductal wall of sleeve, locate second ball (339) of telescopic link group tip.

6. The hardware centerless grinding equipment of claim 4, wherein: the cleaning assembly (34) comprises a hollow pipe (340) fixedly arranged on the second fixing frame, a water inlet (341) arranged on the hollow pipe, and a plurality of nozzles (342) which are distributed in an equidistant annular mode and are arranged in an inward inclined mode.

7. The hardware centerless grinding equipment of claim 1, wherein: the detection device (4) comprises a third fixing frame (40), two groups of roller groups (41) which are rotatably arranged on the third fixing frame, a first thimble (42) and a second thimble (43) which are positioned in the two groups of roller groups and fixedly arranged on the third fixing frame from the upper part, and a digital display dial indicator (44) which is positioned in the middle of the first thimble and the second thimble and fixedly arranged on the third fixing frame.

Technical Field

The invention relates to the technical field of hardware processing, in particular to a hardware centerless grinding device.

Background

The conventional centerless grinding machine comprises a grinding wheel arranged on a grinding wheel shaft, an adjusting wheel arranged on an adjusting shaft, a workpiece supporting plate, a grinding wheel corrector, an adjusting wheel corrector and an adjusting wheel carrier feeding mechanism. During grinding, the workpiece is continuously arranged among the grinding wheel, the adjusting wheel and the supporting plate and is connected with the workpiece on the external material channel at the feeding end. The adjusting wheel frame is fed to a proper grinding position, the surface of the workpiece is ground and moves to the discharge end in the process that the adjusting wheel and the grinding wheel rotate in the same direction, and through grinding is completed.

However, the centerless grinder through grinding process has the following defects: 1. in the normal production process, because the outer diameter of the grinding wheel or the guide wheel is reduced or threshing is uneven due to abrasion, the machined workpiece must be checked and measured frequently in time, defective products cannot be detected by 100% in the check and measurement, and the overall quality is affected. 2. When longer five metals work piece is processed, work piece itself can produce and beat to influence grinding quality.

Disclosure of Invention

The invention provides hardware centerless grinding equipment for overcoming the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a hardware centerless grinding device comprises an excircle grinding device, a first clamping device, a second clamping device and a detection device, wherein the first clamping device is arranged at a feeding position and used for clamping and conveying hardware, the second clamping device is arranged at a discharging position and used for clamping and conveying hardware, the detection device is used for detecting the outer diameter and the roundness of the ground hardware, and the excircle grinding device comprises a grinding wheel, an adjusting wheel, a first driving assembly and a supporting plate, the first driving assembly is used for driving the adjusting wheel to move, and the supporting plate is positioned between the grinding wheel and the adjusting wheel; first clamping device is to five metals work piece centre gripping and carry to grinding excircle device department, and the five metals work piece is located the emery wheel, the position of first drive assembly regulation regulating wheel between regulating wheel and the layer board, and emery wheel and regulating wheel rotate relatively and carry out the centre gripping to the five metals work piece grinding, and second clamping device carries to detection device department to the five metals work piece after the grinding, detects five metals work piece external diameter and grinding circularity by detection device, and qualified falling into the qualification district, unqualified falling into the ineligible district. The first driving assembly drives the adjusting wheel to move so that the adjusting wheel is close to or far away from the grinding wheel, the adjusting wheel and the grinding wheel rotate relatively to enable a hardware workpiece to be attached to the supporting plate, and the rotating speeds and the friction forces of the adjusting wheel and the grinding wheel are different, so that the hardware workpiece can rotate in the grinding process; the hardware workpiece is clamped and fed through the first clamping device, so that the hardware workpiece can be clamped and can be conveyed to the external grinding device in a sliding manner in the clamping process of the hardware workpiece, and the hardware workpiece exposed outside is prevented from jumping through clamping and grinding through the first clamping device; the ground hardware workpiece is clamped and fed through the first clamping device, so that the hardware workpiece can be clamped and can be conveyed to the detection device in a sliding mode in the clamping process of the hardware workpiece, and the ground hardware workpiece is prevented from jumping through clamping of the second clamping device; the problem of jumping in the grinding process of longer hardware workpieces is solved through the combined action of the first clamping device and the second clamping device; the outer diameter of the ground hardware workpiece is detected through the detection device, and the roundness of the hardware workpiece can be detected in the outer diameter detection process due to the rotation of the hardware workpiece under the grinding action in the detection process.

The first clamping device comprises a first feeding belt, a second driving assembly and a first clamping assembly, wherein the second driving assembly is used for driving the first feeding belt and the second feeding belt to rotate relatively; the second driving assembly drives the first feeding belt and the second feeding belt to rotate relatively to convey the hardware workpiece, the first feeding belt and the second feeding belt are identical in structure and are arranged oppositely, the first feeding belt is arranged to be an inclined edge with a certain inclination, and the first clamping assembly clamps the hardware workpiece; through the relative rotation of the first pay-off area of second drive assembly drive and second pay-off area, make the hardware work piece of putting on can carry, the hardware work piece that can different external diameters is carried, and does not hinder the hardware work piece and rotate, makes in-process hardware work piece rotate more easily and rotate stably, and the setting of the first centre gripping subassembly of rethread makes the hardware work piece make things convenient for the centre gripping pay-off entirely, makes hardware work piece pivoted more stable.

The first clamping assembly comprises a first fixing frame, a hollow shaft rotationally arranged on the first fixing frame, an outer tooth socket arranged on the hollow shaft, a first gear meshed with the outer tooth socket, a first motor used for driving the first gear to rotate, a fixed pipe fixedly arranged on the first fixing frame in the hollow shaft, a plurality of clamping blocks which are distributed in an equidistant annular mode, one end of each clamping block is rotationally arranged on the hollow shaft, the other end of each clamping block is rotationally arranged on the fixed pipe, one end of each torsion spring is fixedly arranged on the fixed pipe, the other end of each torsion spring is fixedly arranged on the hollow shaft, and a plurality of first balls are arranged on the clamping blocks; the hardware workpiece is placed among the clamping blocks, the first motor drives the first gear to rotate so as to drive the hollow shaft to rotate, one end of each clamping block is rotatably arranged on the hollow shaft, the other end of each clamping block is rotatably arranged on the fixed pipe, the rotating hollow shaft drives the clamping blocks to simultaneously rotate, the hardware workpiece in the middle is clamped, and the first balls on the clamping blocks roll on the surface of the hardware workpiece so as to complete clamping of the hardware workpiece; the first gear is driven to rotate by the first motor, the outer tooth socket on the hollow shaft is meshed with the first gear, so that the hollow shaft is rotated, one ends of the clamping blocks are rotatably arranged on the hollow shaft, the other ends of the clamping blocks are rotatably arranged on the fixed pipe, the rotating hollow shaft drives the clamping blocks to rotate simultaneously, the clamping blocks are close to each other and are attached to a hardware workpiece, the hardware workpiece is moved along the direction of the hardware workpiece, namely, the hardware workpiece is prevented from jumping, a plurality of first balls are arranged at the positions, attached to the hardware workpiece, on the clamping blocks, the positions, attached to the hardware workpiece, of the clamping blocks, friction between the hardware workpiece and the clamping blocks is reduced, the hardware workpieces with different outer diameters can be clamped by the clamping mode, the hardware workpieces are attached to two adjacent first balls simultaneously, the hardware workpiece is rotated and can be prevented from moving up and down or left and right, the hardware workpiece can only move, and the clamping blocks are reset, so that the next hardware workpiece can be inserted between the clamping blocks.

The second clamping device comprises a third feeding belt, a fourth feeding belt, a third driving assembly, a second clamping assembly and a cleaning assembly, wherein the third driving assembly is used for driving the third feeding belt and the fourth feeding belt to rotate relatively; the cleaning assembly firstly cleans the surface of the hardware workpiece, the third driving assembly drives the third feeding belt and the fourth feeding belt to rotate relatively to convey the hardware workpiece, the third feeding belt and the fourth feeding belt are identical in structure and are arranged oppositely, the third feeding belt is arranged to be a bevel edge with a certain inclination, and the second clamping assembly clamps the hardware workpiece; through clearance subassembly to hardware component surface clearance, avoid influencing the centre gripping of follow-up second centre gripping subassembly and detection device's detection, rotate relatively through third drive assembly drive third pay-off area and fourth pay-off area, make the hardware component who puts on above can carry, the hardware component that can different external diameters is carried, and do not hinder hardware component and rotate, it is more light and rotate stably to make the grinding back hardware component rotate, the setting of rethread second centre gripping subassembly, make the full convenient centre gripping pay-off of hardware component, it is more stable to make hardware component pivoted.

The second clamping assembly comprises a second fixing frame, a sleeve rotatably arranged on the second fixing frame, a tooth socket arranged at one end of the sleeve, a second gear and a third gear which are rotatably arranged on the second fixing frame and meshed with the tooth socket, a second motor for driving the second gear to rotate, a first fixed pipe which is positioned in the sleeve and fixedly arranged on the second fixing frame, and one end of the first fixed pipe is wavy, a second fixed pipe which is matched with the first fixed pipe for use, a plurality of groups of telescopic rod groups which are distributed in an equidistant annular manner and movably arranged on the inner wall of the sleeve, and a second ball arranged at the end part of each telescopic rod group; a second motor drives a second gear to rotate, the second gear is meshed with a tooth groove in the sleeve to drive the sleeve to rotate, the multiple groups of telescopic dry groups move along the wave edges of the first fixed pipe and the second fixed pipe, and second balls on the multiple groups of telescopic rod groups prop against a hardware workpiece to finish clamping of the ground hardware workpiece; through second motor drive second gear, the tooth's socket meshing on second gear and the sleeve pipe to the driving sleeve rotates, third gear and sleeve pipe tooth's socket meshing make third gear revolve, respectively with the sleeve pipe meshing through second gear and third gear, make the sleeve pipe rotate the in-process more stable, multiunit telescopic link group removes to locate on the intraductal wall of pipe, and the sleeve pipe is rotatory in-process to make the flexible dry group of multiunit can remove along first fixed pipe and the fixed pipe wave edge of second, makes the flexible dry group of multiunit alternately withstand the five metals work piece, makes the five metals work piece remove along five metals axle center direction, makes the five metals work piece rotate more stably through this setting, and can increase the centre gripping area, avoids the five metals work piece to rotate the in-process and beat.

The cleaning assembly comprises a hollow pipe fixedly arranged on the second fixing frame, a water inlet arranged on the hollow pipe, and a plurality of nozzles which are distributed in an equidistant annular manner and are arranged in an inward inclined manner; the water pipe is connected to the water inlet on the hollow tube, and the five metals work piece is located in the middle of a plurality of nozzles, through a plurality of nozzles that a plurality of leanings in set up, can make the clearance cleaner to the comprehensive clearance of five metals work piece surface.

The detection device comprises a third fixing frame, two groups of roller groups rotatably arranged on the third fixing frame, a first thimble and a second thimble which are positioned above the two groups of roller groups and fixedly arranged on the third fixing frame, and a digital display dial indicator which is positioned between the first thimble and the second thimble and fixedly arranged on the third fixing frame; the hardware workpiece is arranged on the two groups of roller groups respectively and is positioned in the middle of the two groups of roller groups, the hardware workpiece is propped against the first ejector pin and the second ejector pin, the hardware workpiece is rotated more stably in the detection process, and the digital display dial indicator is arranged in the middle of the first ejector pin and the second ejector pin, so that the detection data of the digital display dial indicator are more accurate.

The invention has the following advantages: the problem of beating in the longer five metals work piece grinding process is solved to examine hardware work piece circularity and external diameter entirely.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of fig. 2 at B.

Fig. 5 is a partial mechanism schematic view of the second clamping assembly.

Fig. 6 is a schematic front view of the present invention.

Fig. 7 is an enlarged view of fig. 6 at C.

FIG. 8 is a partial side view of the first embodiment of the present invention.

Fig. 9 is an enlarged view of fig. 8 at D.

FIG. 10 is a partial side view of the second embodiment of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-10, a hardware centerless grinding device comprises an external grinding device 1, a first clamping device 2 arranged at a feeding position and used for clamping and conveying hardware, a second clamping device 3 arranged at a discharging position and used for clamping and conveying hardware, and a detection device 4 used for detecting the external diameter and roundness of the ground hardware, wherein the external grinding device 1 comprises a grinding wheel 10, an adjusting wheel 11, a first driving component 12 used for driving the adjusting wheel to move, and a supporting plate 13 positioned between the grinding wheel and the adjusting wheel; first clamping device is to five metals work piece centre gripping and carry to grinding excircle device department, and the five metals work piece is located the emery wheel, the position of first drive assembly regulation regulating wheel between regulating wheel and the layer board, and emery wheel and regulating wheel rotate relatively and carry out the centre gripping to the five metals work piece grinding, and second clamping device carries to detection device department to the five metals work piece after the grinding, detects five metals work piece external diameter and grinding circularity by detection device, and qualified falling into the qualification district, unqualified falling into the ineligible district.

The first clamping device 2 comprises a first feeding belt 20, a second feeding belt 21, a second driving assembly 22 and a first clamping assembly 23, wherein the second driving assembly 22 is used for driving the first feeding belt and the second feeding belt to rotate relatively; the second driving assembly drives the first feeding belt and the second feeding belt to rotate relatively to convey the hardware workpiece, the first feeding belt and the second feeding belt are identical in structure and are arranged oppositely, the first feeding belt is arranged to be an inclined edge with a certain inclination, and the first clamping assembly clamps the hardware workpiece.

The first clamping assembly 23 comprises a first fixing frame 230, a hollow shaft 231 rotatably arranged on the first fixing frame, an external tooth socket 232 arranged on the hollow shaft, a first gear 233 meshed with the external tooth socket, a first motor 234 for driving the first gear to rotate, a fixed tube 235 positioned in the hollow shaft and fixedly arranged on the first fixing frame, a plurality of clamping blocks 236 which are distributed in an equidistant annular manner, one end of each clamping block is rotatably arranged on the hollow shaft, the other end of each clamping block is rotatably arranged on the fixed tube, one end of each torsion spring 237 is fixedly arranged on the fixed tube, the other end of each torsion spring is fixedly arranged on the hollow shaft, and a plurality of first balls 238 are arranged on the clamping; in the middle of a plurality of grip blocks are arranged in to hardware work piece, the first gear of first motor drive rotates to drive the hollow shaft and rotate, on a plurality of grip blocks one end rotated and located the hollow shaft on the other end rotated and located fixed pipe, the pivoted hollow shaft drove a plurality of grip blocks and rotates simultaneously, to the hardware work piece centre gripping in the middle of lieing in, a plurality of first balls on the grip block roll on hardware work piece surface, accomplish hardware work piece's centre gripping.

The second clamping device 3 comprises a third feeding belt 30, a fourth feeding belt 31, a third driving assembly 32 for driving the third feeding belt and the fourth feeding belt to rotate relatively, a second clamping assembly 33 for clamping hardware and a cleaning assembly 34 for cleaning the surface of the hardware; the cleaning assembly firstly cleans the surface of the hardware workpiece, the third driving assembly drives the third feeding belt and the fourth feeding belt to rotate relatively to convey the hardware workpiece, the third feeding belt and the fourth feeding belt are identical in structure and are arranged relatively, the third feeding belt is arranged to be an inclined edge with a certain inclination, and the second clamping assembly clamps the hardware workpiece.

The second clamping assembly 33 comprises a second fixing frame 330, a sleeve 331 rotatably arranged on the second fixing frame, a tooth socket 332 arranged at one end of the sleeve, a second gear 333 and a third gear 334 rotatably arranged on the second fixing frame and engaged with the tooth socket, a second motor 335 for driving the second gear to rotate, a first fixing pipe 336 which is positioned in the sleeve and fixedly arranged at one end of the second fixing frame and is wavy, a second fixing pipe 337 matched with the first fixing pipe for use, a plurality of groups of telescopic rod groups 338 which are distributed in an equidistant annular manner and movably arranged on the inner wall of the sleeve, and a second ball 339 arranged at the end part of the telescopic rod group; second motor drive second gear rotates, second gear and the tooth's socket meshing on the sleeve pipe, driving sleeve rotate, and the flexible dry group of multiunit moves along first fixed pipe and the fixed pipe wave edge of second, and the five metals work piece is withstood to the second ball on the multiunit telescopic link group, accomplishes the centre gripping of grinding back five metals work piece.

The cleaning assembly 34 comprises a hollow pipe 340 fixedly arranged on the second fixing frame, a water inlet 341 arranged on the hollow pipe, and a plurality of nozzles 342 which are distributed in an equidistant annular manner and are arranged in an inward inclined manner; the water pipe is connected to the water inlet on the hollow tube, and the five metals work piece is located in the middle of a plurality of nozzles, through a plurality of nozzles that a plurality of leanings in set up, can make the clearance cleaner to the comprehensive clearance of five metals work piece surface.

The detection device 4 comprises a third fixing frame 40, two groups of roller groups 41 rotatably arranged on the third fixing frame, a first thimble 42 and a second thimble 43 which are positioned above the two groups of roller groups and fixedly arranged on the third fixing frame, and a dial indicator 44 which is positioned between the first thimble and the second thimble and fixedly arranged on the third fixing frame; the hardware workpiece is arranged on the two groups of roller groups respectively and is positioned in the middle of the two groups of roller groups, the hardware workpiece is propped against the first ejector pin and the second ejector pin, the hardware workpiece is rotated more stably in the detection process, and the digital display dial indicator is arranged in the middle of the first ejector pin and the second ejector pin, so that the detection data of the digital display dial indicator are more accurate.

The first motor and the second motor are commercially available.