CN217493621U - Bar clamping guide wheel mechanism for refiner - Google Patents

Abstract

The application discloses a bar clamping guide wheel mechanism for a refiner, which comprises a fixed seat, wherein a bar arranging mechanism, a guide wheel mechanism and a pinch roller limiting mechanism are arranged on the fixed seat, the bar arranging mechanism is used for arranging bars to be processed, the guide wheel mechanism is used for driving the bars to be processed to rotate, and the pinch roller limiting mechanism is used for limiting the bars to be processed on the bar arranging mechanism; the guide wheel mechanism comprises a rotary driving mechanism and a guide wheel, the rotary driving mechanism is connected with the fixed seat, the output end of the rotary driving mechanism is connected with the guide wheel, and the rotary driving mechanism is used for driving the guide wheel to rotate. This application is rotatory through rotary driving mechanism drive guide pulley, and the guide pulley drives the bar and settles the synchronous rotation on the mechanism at the bar for the refiner can be even to the outer periphery grinding of drill point, improves the concentricity of bar and drill point, satisfies the processing demand that the high accuracy bored a little.

Description

Bar clamping guide wheel mechanism for refiner

Technical Field

The application belongs to precision tool processing field, more specifically relates to a bar centre gripping guide pulley mechanism for refiner.

Background

Drill bits with a diameter of less than 3.175mm are commonly referred to as micro-drills, micro-drills for short. The micro drill mainly comprises a bar at the bottom and a drill point at the upper part, the drill point part of the micro drill needs to be ground and grooved in the production process of the micro drill, the traditional grinding equipment is difficult to meet the requirement of mass production and processing, the reject ratio is high, and the problems can be well solved by using a refiner.

In the process of processing the micro drill, the refiner needs to clamp and fix the bar material on the grinding station, so that the bar material can be conveniently ground. In order to ensure that the circumferential surface of the outer wall of the drill point is uniformly ground in the grinding process, the drill point needs to be in a rotating state in the grinding process; in other words, the refiner jaws need to rotate with the bar. The conventional clamping mechanism capable of rotating clamps a workpiece through a clamping jaw, and then drives the clamping jaw to rotate so as to drive the workpiece to rotate; in the machining process of the clamping mechanism, a workpiece is easy to shift in the clamping jaw, so that the concentricity of a bar and a drill point in the machined micro drill is low, and the machining requirement of the high-precision micro drill cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to meet the requirement of high-precision micro-drilling machining, the application provides a bar clamping guide wheel mechanism for a refiner, which comprises a fixed seat, wherein a bar placing mechanism, a guide wheel mechanism and a pinch roller limiting mechanism are arranged on the fixed seat, the bar placing mechanism is used for placing bars to be machined, the guide wheel mechanism is used for driving the bars to be machined to rotate, and the pinch roller limiting mechanism is used for limiting the bars to be machined on the bar placing mechanism; the guide wheel mechanism comprises a rotary driving mechanism and a guide wheel, the rotary driving mechanism is connected with the fixed seat, the output end of the rotary driving mechanism is connected with the guide wheel, and the rotary driving mechanism is used for driving the guide wheel to rotate.

As a further improvement of this application, the rotary driving mechanism includes driving motor and transmission shaft, driving motor with the fixing base is connected, the one end of transmission shaft with the guide pulley is connected, the other end of transmission shaft with driving motor's output is connected.

As a further improvement of this application, pinch roller stop gear includes pinch roller cylinder and catch bar, the pinch roller cylinder with the catch bar respectively with the fixing base is connected, the one end of catch bar with the output of pinch roller cylinder is connected, be equipped with the pinch roller on the other end of catch bar, the pinch roller with the rotatable spacing of catch bar is connected.

As a further improvement of this application, bar arrangement mechanism includes liftout cylinder and thimble, the liftout cylinder with the fixing base is connected, the thimble with the output of liftout cylinder is connected.

As a further improvement of this application, be equipped with the bar on the fixing base and right the mechanism, the bar is right the mechanism and is included the base and right the regulating block, the base with the fixing base is connected, right the regulating block with the adjustable spacing connection of base, the one end of righting the regulating block is equipped with first wear-resisting piece.

As a further improvement of this application, be equipped with on the base with right the draw-in groove of regulating block adaptation, it is spacing to right the regulating block in the draw-in groove, be equipped with the internal thread hole on the draw-in groove, it is equipped with waist shape hole on the regulating block to right, waist shape hole with the internal thread hole passes through screwed connection.

As a further improvement of this application, it keeps away from to right the regulating block the one end of first wear-resisting piece is equipped with adjusting screw, adjusting screw with right the adjustable threaded connection of regulating block, adjusting screw's the other end with pedestal connection, the cover is equipped with the elastic component on the adjusting screw, the both ends of elastic component respectively with the base is connected with right the regulating block.

As a further improvement of this application, be equipped with drill point on the fixing base and right the mechanism, drill point is right the mechanism and is used for proofreading and correct the concentricity of bar and drill point, drill point is right the mechanism and is included righting the fixed block, right the fixed block with the fixing base is connected, it rights pushing mechanism to be equipped with on the fixed block to right, it rights the pole to right to be equipped with the drill point on the pushing mechanism to right, it is used for promoting to right pushing mechanism drill point is right pole and drill point butt.

As a further improvement of this application, it includes pulling cylinder, promotion connecting rod and the pole installation piece of rightting to right pushing mechanism, pulling cylinder with right the fixed block and connect, the middle part of promoting the connecting rod with right the fixed block articulated, the one end of promoting the connecting rod with the output of pulling cylinder is connected, the other end of promoting the connecting rod with right the pole installation piece and connect, the pole is right to the drill point with the adjustable spacing of pole installation piece is connected of righting.

As a further improvement of this application, it is equipped with adjustment mechanism on the fixed block to right, adjustment mechanism is used for adjusting the promotion stroke of promotion connecting rod, adjustment mechanism is including adjusting the fixed block, adjust the fixed block with right the fixed block and connect, be equipped with the micrometer on the regulation fixed block, the screw rod of micrometer can with it is close to promote the connecting rod the one end butt of pulling the cylinder.

Compared with the prior art, the beneficial effect of this application is:

according to the clamping device, the bar can be limited on the bar arranging mechanism through the matching of the bar arranging mechanism and the pinch roller limiting mechanism, the bar can be prevented from shifting in the processing process, and the stability of bar clamping is ensured; in the refiner processing process, the bar is respectively in tangent butt joint with the guide wheel and the pinch roller limiting mechanism, the guide wheel is driven to rotate through the rotary driving mechanism, and the guide wheel drives the bar to synchronously rotate on the bar arranging mechanism, so that the refiner can uniformly grind the outer circumferential surface of the drill point, the concentricity of the bar and the drill point is improved, and the processing requirement of high-precision micro drilling is met.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of the idler mechanism of the present application;

FIG. 3 is an exploded view of a bar straightening mechanism in the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a drill pin centralizer mechanism according to an embodiment of the present application;

fig. 5 is an exploded view of the centralizing rod mounting block and the drill point centralizing rod in the embodiment of the application.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-5, a bar clamping guide wheel mechanism for a refiner comprises a machine table and a controller, wherein a mechanical arm for feeding and discharging is arranged on the machine table, and the mechanical arm is connected with the controller. The bar clamping guide wheel mechanism is used for clamping a bar to be processed when a fine grinder processes a micro drill, so that the grinding mechanism of the fine grinder can grind the bar conveniently. The micro drill mainly comprises a bar material at the bottom and a drill point at the upper part.

The bar clamping guide wheel mechanism comprises a fixed seat 1, the fixed seat 1 is fixedly arranged on a machine table, a bar arranging mechanism 2, a guide wheel mechanism 3, a pinch roller limiting mechanism 4, a bar righting mechanism 5 and a drill point righting mechanism 6 are arranged on the fixed seat 1, and the bar arranging mechanism 2, the guide wheel mechanism 3, the pinch roller limiting mechanism 4 and the drill point righting mechanism 6 are respectively connected with a controller; the bar stock placing mechanism 2 is used for placing a bar stock during processing, plays a role of supporting the bar stock during processing, and is also used for ejecting the bar stock out of the bar stock clamping guide wheel mechanism; the bar material righting mechanism 5 is used for supporting the side wall of the bar material, and when the bar material clamping guide wheel mechanism is used for feeding materials, the bar material righting mechanism 5 plays a role in supporting the side wall of the bar material, so that the bar material can be ensured to be vertically placed on the bar material placing mechanism 2; when the refiner is used for processing, the bar centering mechanism 5 is matched with the guide wheel mechanism 3 and the pinch roller limiting mechanism 4 to limit the bar on the bar arranging mechanism 2, so that the bar can be prevented from moving in the bar arranging mechanism 2, and the refiner can grind the bar conveniently; the guide wheel mechanism 3 is used for driving the bar to rotate, so that the circumferential surface of the side wall of the drill point can be uniformly ground by driving the bar to rotate, and the concentricity of the drill point and the bar is improved; the pinch roller limiting mechanism 4 is used for limiting a bar to be processed on the bar placing mechanism 2, and the pinch roller limiting mechanism 4 can rotate along with the bar during processing, so that the circumferential surface of the side wall of the drill point can be uniformly ground; the drill point righting mechanism 6 is used for correcting the concentricity of the bar and the drill point, can support the drill point during processing, prevents the lateral bending of the drill point during processing, and improves the concentricity of the drill point and the bar.

When the bar material clamping guide wheel mechanism is used for feeding materials, a manipulator grabs the bar material onto the bar material arranging mechanism 2, and the bar material righting mechanism 5 and the guide wheel mechanism 3 are respectively connected with the side wall of the bar material, so that the bar material is ensured to be upright on the bar material arranging mechanism 2; then the controller controls the pinch roller limiting mechanism 4 to move, so that the pinch roller limiting mechanism 4 is close to the guide wheel mechanism 3 and the bar material righting mechanism 5 until the pinch roller limiting mechanism 4 is connected with the side wall of the bar material, and feeding is completed; at the moment, the bar is limited among the bar righting mechanism 5, the guide wheel mechanism 3 and the pinch roller limiting mechanism 4, and the bar arranging mechanism 2 supports the bottom end of the bar, so that the bar is stably clamped in the bar clamping guide wheel mechanism and is not easy to shift; during machining, the controller respectively controls the guide wheel mechanism 3 and the drill point righting mechanism 6 to work, and the drill point righting mechanism 6 moves to be connected with the outer wall of the drill point to support the drill point and prevent the drill point from being bent laterally during grinding machining; the guide wheel mechanism 3 works to drive the bar to rotate in situ, the pinch roller limiting mechanism 4 can rotate along with the bar at the moment, the drill point is ground by the refiner, the circumferential side wall of the drill point can be uniformly ground by the rotation of the bar, and the concentricity of the bar and the drill point is improved.

Guide wheel mechanism 3 includes driving motor 31, transmission shaft 32 and guide pulley 33, driving motor 31 links to each other with the controller, driving motor 31 fixed mounting is on fixing base 1, driving motor 31's output and the one end fixed connection of transmission shaft 32, the other end and the guide pulley 33 fixed connection of transmission shaft 32, transmission shaft 32 passes through bearing 34 and the spacing fixed connection of fixing base 1, transmission shaft 32 can be at the 1 internal rotation of fixing base. When the automatic feeding device works, the outer side wall of the guide wheel 33 is abutted to the side wall of the bar, the controller controls the driving motor 31 to work, the driving motor 31 drives the transmission shaft 32 to rotate, the transmission shaft 32 drives the guide wheel 33 to synchronously rotate, and the guide wheel 33 drives the bar to rotate in situ. The guide wheel 33 not only can limit the bar, but also can drive the bar to rotate, so that the circumferential side face of the drill point can be uniformly ground.

The bar stock arranging mechanism 2 comprises a material ejecting cylinder 21 and an ejector pin 22, the material ejecting cylinder 21 is fixedly installed on the fixing seat 1, the material ejecting cylinder 21 is connected with the controller, the material ejecting cylinder 21 is fixed below one side of the guide wheel 33, and the ejector pin 22 is fixedly connected with the output end of the material ejecting cylinder 21. A sensor 23 is arranged on the fixed seat 1 at a position corresponding to the thimble 22, and the sensor 23 is connected with the controller and is used for detecting whether the bar on the thimble 22 is in place. During feeding, the material ejecting cylinder 21 works to push the ejector pin 22 to ascend, a manipulator of the refiner places the bar on the ejector pin 22, and the ejector pin 22 can support the bottom end of the bar; the material ejecting cylinder 21 is controlled to reset to drive the ejector pin 22 and the bar to descend to a processing position, when the sensor 23 detects that the bar on the ejector pin 22 is in place, a signal is fed back to the controller, and the controller guide wheel mechanism 3 and the pinch roller limiting mechanism 4 work to limit the bar on the ejector pin 22. During blanking, the ejection cylinder 21 works to push the ejector pin 22 to ascend, and the ejector pin 22 jacks up the bar, so that the manipulator can conveniently grab the processed bar.

Pinch roller stop gear 4 includes pinch roller cylinder 41 and catch bar 42, pinch roller cylinder 41 links to each other with the controller, pinch roller cylinder 41 fixed mounting is on fixing base 1, pinch roller cylinder 41 links to each other with the controller, pinch roller cylinder 41's output is equipped with connecting rod 43, catch bar 42's middle part is articulated with fixing base 1, the one end fixed connection of pinch roller cylinder 41 is kept away from to catch bar 42's one end and connecting rod 43, catch bar 42's the other end is equipped with pinch roller 44, the rotatable limit connection of pinch roller 44 and catch bar 42. When feeding, the controller controls the pressing wheel cylinder 41 to work, the pressing wheel cylinder 41 pushes the pushing rod 42 to swing by taking the hinge point as the axis through the connecting rod 43, so that the pressing wheel 44 is pushed to move towards the direction close to the guide wheel 33 until the pressing wheel 44 is abutted against the side wall of the bar on the thimble 22; during processing, the bar rotates to drive the pressing wheel 44 to rotate on the pushing rod 42, so that the side wall of the drill point can be uniformly ground; during the unloading, controller control pinch roller cylinder 41 resets, and pinch roller cylinder 41 uses the pin joint to swing as the axle center through connecting rod 43 pulling catch bar 42 to the motion of pulling pinch roller 44 toward the direction of keeping away from guide pulley 33, until the bar separation on guide pulley 33 and the thimble 22, the manipulator of being convenient for snatchs the bar.

The bar centering mechanism 5 is arranged on one side of the bar arranging mechanism 2, the bar centering mechanism 5 comprises a base 51 and a centering adjusting block 52, the base 51 is fixedly arranged on the fixed seat 1 through screws, the centering adjusting block 52 is in adjustable limit connection with the base 51, a first wear-resistant block 53 is arranged at one end, close to the thimble 22, of the centering adjusting block 52, and the first wear-resistant block 53 is fixedly connected with the centering adjusting block 52 through screws; the first wear-resistant block 53 is made of polycrystalline diamond material and has good wear resistance. When the device works, the first wear-resisting block 53 is abutted to a bar, the bar rotates on the thimble 22, and the bar and the first wear-resisting block 53 are in a friction sliding state; the first wear-resistant block 53 can prevent abrasion, improve the stability of micro-drilling processing and ensure the precision of the micro-drilling processing.

The centering adjusting block 52 and the base 51 are connected in an adjustable manner, so as to meet the requirement of processing bars with different diameters. Specifically, a clamping groove 511 matched with the external dimension of the centering adjusting block 52 is arranged on the base 51, the centering adjusting block 52 is limited in the clamping groove 511, an internal threaded hole 512 is arranged on the clamping groove 511, a waist-shaped hole 521 is arranged on the centering adjusting block 52, and the waist-shaped hole 521 is connected with the internal threaded hole 512 through a screw; an adjusting screw 54 is arranged at one end, far away from the first wear-resistant block 53, of the centering adjusting block 52, the adjusting screw 54 is in adjustable threaded connection with the centering adjusting block 52, the other end of the adjusting screw 54 is clamped and fixed with the base 51, a spring 55 is sleeved on the adjusting screw 54, and two ends of the spring 55 are respectively connected with the base 51 and the centering adjusting block 52; the spring 55 is provided for facilitating pushing the centering adjustment block 52, and for preventing the connection between the centering adjustment block 52 and the base 51 from loosening, thereby improving the structural stability. When the adjustment is needed, the connecting screws of the waist-shaped hole 521 and the internal threaded hole 512 are loosened, then the adjusting screw 55 is rotated, the adjusting screw 55 pushes or pulls the centering adjusting block 52 to slide in the clamping groove 511, and the connecting screws of the waist-shaped hole 521 and the internal threaded hole 512 are screwed down after the adjusting screw 55 reaches a proper position, so that the distance from the first wear-resistant block 53 to the ejector pin 22 is adjusted, and the processing requirements of bars with different diameters are met.

The drill point righting mechanism 6 comprises a righting fixed block 61, a pulling cylinder 62, a pushing connecting rod 63 and a righting rod installation block 64, the righting fixed block 61 is fixedly connected with the fixed seat 1 through screws, the pulling cylinder 62 is fixedly installed on the righting fixed block 61, the pulling cylinder 62 is connected with a controller, the middle of the pushing connecting rod 63 is hinged to the righting fixed block 61, the pushing connecting rod 63 can swing back and forth by taking a hinged point as an axis, one end of the pushing connecting rod 63 is fixedly connected with the output end of the pulling cylinder 62, the other end of the pushing connecting rod 63 is fixedly connected with the righting rod installation block 64, a drill point righting rod 65 is arranged on the righting rod installation block 64, and the drill point righting rod 65 is connected with the righting rod installation block 64 in an adjustable and limiting mode. In a normal state, the piston of the pulling cylinder 62 is in an extending state, when machining is performed, the controller controls the pulling cylinder 62 to work, the piston of the pulling cylinder 62 retracts to drive the pushing connecting rod 63 to swing by taking a hinge point as an axis, and the pushing connecting rod 63 drives the righting rod mounting block 64 and the drill point righting rod 65 to move towards a direction close to the thimble 22 until the end part of the drill point righting rod 65 is abutted to the drill point; after the processing is finished, the controller controls the pulling cylinder 62 to return, and the drill point righting rod 65 is driven to be separated from the drill point, so that the mechanical arm of the refiner can grab and discharge materials conveniently.

The drill point righting rod 65 is arranged on one side of the drill point far away from the processing surface, namely, during grinding processing of the refiner, the grinding wheel of the refiner and the drill point righting rod 65 are respectively positioned on two sides of the drill point; the drill point righting rod 65 can resist the drill point during processing, so that the lateral bending of the drill point is prevented, and the concentricity of the drill point and a bar is ensured. During processing, the drill point is always in a rotating state, in order to improve the processing stability and prolong the service life of the drill point centering rod 65, a second wear-resistant block 66 is arranged on the end face of the drill point centering rod 65 close to the thimble 22, the second wear-resistant block 66 is fixedly connected with the drill point centering rod 65, and the second wear-resistant block 66 is abutted to the drill point during working; the second wear-resistant block 66 is made of polycrystalline diamond material and has good wear resistance.

The righting fixed block 61 is provided with an adjusting mechanism, and the adjusting mechanism is used for adjusting the pushing stroke of the pushing connecting rod 63, so that the butting force of the drill point righting rod 65 on the drill point is changed; adjustment mechanism is including adjusting fixed block 67, adjusts fixed block 67 and rights fixed block 61 and passes through screw fixed connection, adjusts to be equipped with micrometer 68 on the fixed block 67, and when the in-process that pulling cylinder 62 drove the motion of promotion connecting rod 63, micrometer 68's screw rod can be close to the one end butt of pulling cylinder 62 with promotion connecting rod 63, and then carries on spacingly to the motion stroke that promotes connecting rod 63. The micrometer 68 can select a micrometer screw without a frame in the prior art, and the micrometer body is provided with scales, and the adjustment precision can reach 0.01 mm. When the abutting force of the drill point righting rod 65 to the drill point needs to be reduced, a user can enable the screw to extend out of the micrometer body by twisting the micrometer 68, namely the extending length of the screw is increased, the pushing connecting rod 63 is limited by the screw of the micrometer 68 when swinging, the movement stroke of the pushing connecting rod 63 is shortened, namely the forward moving distance of the drill point righting rod 65 is shortened, and the abutting force of the drill point righting rod 65 to the drill point is reduced; on the contrary, the screw rod is retracted into the ruler body, so that the movement stroke of the push connecting rod 63 can be enlarged, and the abutting force of the drill point righting rod 65 on the drill point is increased.

The adjustable connection mode of the drill point righting rod 65 and the righting rod mounting block 64 is to facilitate the adjustment of the abutting position and force of the drill point righting rod 65 and the drill point.

Specifically, the centering rod mounting block 64 is provided with an elongated slot 641, the elongated slot 641 is provided with a first limiting screw 642, the first limiting screw 642 is connected with the push connecting rod 63, and the centering rod mounting block 64 and the push connecting rod 63 are limited and fixed by screwing down the first limiting screw 642; an adjusting screw 643 is arranged on one side of the righting rod mounting block 64, the adjusting screw 643 is in adjustable threaded connection with the righting rod mounting block 64, and the end face of the adjusting screw 643 is abutted to the pushing connecting rod 63; when the installation position of the righting rod installation block 64 needs to be adjusted, a user can loosen the first limiting screw 642, and then rotate the adjusting screw 643 to enable the first limiting screw 642 to slide on the elongated slot 641, so that the installation position of the righting rod installation block 64 on the push connecting rod 63 is changed, and after the right position is reached, the first limiting screw 642 is screwed down again.

The righting rod mounting block 64 is provided with a first through hole 644 and a second through hole 645, the first through hole 644 is communicated with the second through hole 645, the first through hole 644 and the second through hole 645 are vertically distributed, an elevation angle adjusting block 69 is arranged in the first through hole 644, the elevation angle adjusting block 69 is in clearance fit with the first through hole 644, the righting rod mounting block 64 is provided with a second limiting screw 646, and the end face of the second limiting screw 646 is abutted against the side wall of the elevation angle adjusting block 69; a third through hole 691 is formed in the elevation angle adjusting block 69, the drill pin righting rod 65 sequentially penetrates through the second through hole 645 and the third through hole 691, the drill pin righting rod 65 is in clearance fit with the third through hole 691, a third limit screw 692 is arranged on the elevation angle adjusting block 69, the end face of the third limit screw 692 abuts against the drill pin righting rod 65, and the inner diameter of the second through hole 645 is larger than the outer diameter of the drill pin righting rod 65, so that the drill pin righting rod 65 can swing up and down in the second through hole 645. When the adjustment is needed, the user can loosen the second limit screw 646, and the elevation angle adjusting block 69 can rotate in the first through hole 644, so that the drill point righting rod 65 is driven to swing up and down in the second through hole 645, and the installation angle of the drill point righting rod 65 is adjusted; and the third limit screw 692 is loosened, the drill pin centralizing rod 65 can slide in the second through hole 645, so that the length of the drill pin centralizing rod 65 extending out of the centralizing rod mounting block 64 is adjusted, and the abutting force of the drill pin centralizing rod 65 on the drill pin is changed. In order to adjust the drill pin centralizing rod 65 conveniently, a handle 610 is arranged at one end, away from the second wear-resistant block 66, of the drill pin centralizing rod 65, and the handle 610 is fixedly connected with the drill pin centralizing rod 65, so that manual adjustment of a user is facilitated.

The working principle is as follows:

when the bar material clamping guide wheel mechanism is used for feeding materials, the controller controls the material ejecting cylinder 21 to work to push the ejector pin 22 to ascend, the manipulator of the refiner places the bar material on the ejector pin 22, the controller controls the material ejecting cylinder 21 to reset to drive the ejector pin 22 and the bar material to descend to a processing position, when the sensor 23 detects that the bar material on the ejector pin 22 is in place, a feedback signal is sent to the controller, and at the moment, the first wear-resisting block 53 and the guide wheel 33 are respectively connected with the side wall of the bar material. Then, the controller controls the pinch roller cylinder 41 to work, and the pinch roller cylinder 41 works to push the push rod 42 to swing by taking the hinge point as the axis through the connecting rod 43, so as to push the pinch roller 44 to move towards the direction close to the guide wheel 33 until the pinch roller 44 abuts against the side wall of the bar on the thimble 22.

During processing, the controller respectively controls the pulling cylinder 62 and the driving motor 31 to work, the pulling cylinder 62 works to drive the pushing connecting rod 63 to swing by taking a hinge point as an axis, and the pushing connecting rod 63 drives the centering rod mounting block 64 and the drill point centering rod 65 to move towards the direction close to the thimble 22 until the second wear-resistant block 66 is abutted to the drill point; the driving motor 31 works to drive the transmission shaft 32 to rotate, the transmission shaft 32 drives the guide wheel 33 to rotate synchronously, the guide wheel 33 drives the bar to rotate in situ, and the pressing wheel 44 is driven to rotate together with the bar. The drill point is ground by the refiner, and the drill point righting rod 65 is propped against the drill point to prevent the drill point from side bending.

After the processing is finished, the controller controls the pressing wheel cylinder 41 and the pulling cylinder 62 to work, the pressing wheel cylinder 41 drives the pressing wheel 44 to move towards the direction far away from the guide wheel 33, so that the pressing wheel 44 is separated from the bar material, and the pulling cylinder 62 drives the drill point straightening rod 65 to move towards the direction far away from the thimble 22, so that the drill point straightening rod 65 is separated from the drill point; when the ejector cylinder 21 is controlled to work, the ejector pin 22 and the processed product are pushed to ascend, and the mechanical arm of the refiner removes the processed product from the ejector pin 22.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of providing a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims (10)

1. The utility model provides a bar centre gripping guide pulley mechanism for refiner which characterized in that: the device comprises a fixed seat, wherein a bar stock arranging mechanism, a guide wheel mechanism and a pinch roller limiting mechanism are arranged on the fixed seat, the bar stock arranging mechanism is used for arranging a bar stock to be processed, the guide wheel mechanism is used for driving the bar stock to be processed to rotate, and the pinch roller limiting mechanism is used for limiting the bar stock to be processed on the bar stock arranging mechanism;

the guide wheel mechanism comprises a rotary driving mechanism and a guide wheel, the rotary driving mechanism is connected with the fixed seat, the output end of the rotary driving mechanism is connected with the guide wheel, and the rotary driving mechanism is used for driving the guide wheel to rotate.

2. A bar clamp guide wheel mechanism for a refiner as defined in claim 1, wherein: the rotary driving mechanism comprises a driving motor and a transmission shaft, the driving motor is connected with the fixed seat, one end of the transmission shaft is connected with the guide wheel, and the other end of the transmission shaft is connected with the output end of the driving motor.

3. A bar clamp guide wheel mechanism for a refiner as defined in claim 1, wherein: the pinch roller limiting mechanism comprises a pinch roller cylinder and a push rod, the pinch roller cylinder and the push rod are respectively connected with the fixing seat, one end of the push rod is connected with the output end of the pinch roller cylinder, a pinch roller is arranged at the other end of the push rod, and the pinch roller is connected with the push rod in a rotatable limiting manner.

4. A bar clamp guide wheel mechanism for a refiner as defined in claim 1, wherein: the bar stock arranging mechanism comprises a material ejecting cylinder and an ejector pin, the material ejecting cylinder is connected with the fixed seat, and the ejector pin is connected with the output end of the material ejecting cylinder.

5. A bar stock clamp guide wheel mechanism for a refiner according to any one of claims 1-4, wherein: the automatic bar straightening machine is characterized in that a bar straightening mechanism is arranged on the fixing base and comprises a base and a straightening adjusting block, the base is connected with the fixing base, the straightening adjusting block is connected with the base in an adjustable limiting mode, and a first wear-resistant block is arranged at one end of the straightening adjusting block.

6. A bar clamp guide wheel mechanism for a refiner as defined in claim 5, wherein: the base is provided with a clamping groove matched with the righting adjusting block, the righting adjusting block is limited in the clamping groove, the clamping groove is provided with an internal thread hole, the righting adjusting block is provided with a waist-shaped hole, and the waist-shaped hole is connected with the internal thread hole through a screw.

7. A bar clamp guide wheel mechanism for a refiner as defined in claim 6, wherein: the one end of righting the regulating block and keeping away from first wear-resisting piece is equipped with adjusting screw, adjusting screw with the adjustable threaded connection of righting the regulating block, adjusting screw's the other end with pedestal connection, the cover is equipped with the elastic component on the adjusting screw, the both ends of elastic component respectively with the base is connected with righting the regulating block.

8. A bar clamp guide wheel mechanism for a refiner according to any one of claims 1-4 or 6-7, wherein: the drill point correcting mechanism is arranged on the fixing seat and used for correcting the concentricity of the bar and the drill point, the drill point correcting mechanism comprises a correcting fixing block, the correcting fixing block is connected with the fixing seat, a correcting pushing mechanism is arranged on the correcting fixing block, a drill point correcting rod is arranged on the correcting pushing mechanism, and the correcting pushing mechanism is used for pushing the drill point correcting rod to abut against the drill point.

9. A bar clamp guide wheel mechanism for a refiner as defined in claim 8, wherein: the centering pushing mechanism comprises a pulling cylinder, a pushing connecting rod and a centering rod mounting block, the pulling cylinder is connected with the centering fixing block, the middle of the pushing connecting rod is hinged to the centering fixing block, one end of the pushing connecting rod is connected with the output end of the pulling cylinder, the other end of the pushing connecting rod is connected with the centering rod mounting block, and the drill bit centering rod is connected with the centering rod mounting block in an adjustable limiting mode.

10. A bar clamp guide wheel mechanism for a refiner as defined in claim 9, wherein: righting and being equipped with adjustment mechanism on the fixed block, adjustment mechanism is used for adjusting the promotion stroke of promotion connecting rod, adjustment mechanism is including adjusting the fixed block, adjust the fixed block with right the fixed block and be connected, be equipped with the micrometer on adjusting the fixed block, the screw rod of micrometer can with the promotion connecting rod is close to the one end butt of pulling the cylinder.

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