CN216176874U - Two-stage adjusting and positioning device for drill bit machining and drill bit machining system - Google Patents

Abstract

The utility model relates to the technical field of drill bit machining, in particular to a two-stage adjusting and positioning device for drill bit machining and a drill bit machining system; the positioning component comprises a push rod seat and a push rod, a V-shaped groove capable of positioning the drill bit is formed in the front end of the push rod, and the push rod is perpendicular to the drill bit; the slide sets up in the base top, and the both ends of slide are provided with preceding baffle and backplate respectively, and one-level adjusting part can drive the slide and remove for the base, elastic connection between slide and the backplate, and second grade adjusting part can drive the slide and remove for the backplate, and locating component sets up on the slide, and one-level adjusting part and second grade adjusting part can drive locating component and remove towards the drill bit direction. The two-stage adjusting and positioning device provided by the utility model can be used for carrying out graded adjustment, the two-stage adjusting component can be used for carrying out fine adjustment, the adjustment is more accurate, and the V-shaped groove at the front end of the ejector rod can be used for positioning a drill bit.

Description

Two-stage adjusting and positioning device for drill bit machining and drill bit machining system

Technical Field

The utility model relates to the technical field of drill bit machining, in particular to a two-stage adjusting and positioning device for drill bit machining and a drill bit machining system.

Background

Under the trend of the electronic products in the times of being light, thin, short and small, the volumes of various electronic products are gradually reduced, the manufacturing, processing and manufacturing processes of various parts in the electronic products are relatively more and more precise, and corresponding processing tools are also more and more precise. In the processing process of electronic products or other tiny products, a micro drill is needed, wherein the micro drill is a drill bit with the diameter smaller than 3.175mm, and is small in size and high in processing difficulty.

Drill bit processing is usually to fix the drill bit on the lathe, then is processed the drill bit by the machined part on the lathe, and little brill is because of the size is little, and the machined part is bored a little and is carried out the course of working to boring a little, and slight skew can take place for the processing inaccuracy influences the precision of boring a little, and then influences the precision of boring a little use, causes the influence to product production.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a two-stage adjusting and positioning device for drill processing, which is disposed on one side of a drill disposed in a chuck for processing, the two-stage adjusting and positioning device comprising:

the positioning assembly comprises a mandril base and a mandril, one end of the mandril is connected with the mandril base, the other end of the mandril is provided with a V-shaped groove capable of positioning the drill bit, and the mandril is perpendicular to the drill bit;

the base is arranged above the sliding seat, a front baffle and a rear baffle are respectively arranged at two ends of the sliding seat, and a primary adjusting assembly capable of driving the sliding seat to move relative to the base is arranged between the base and the sliding seat;

the rear baffle plate is connected with the rear baffle plate in a sliding way, the rear baffle plate is connected with the primary adjusting assembly, and a secondary adjusting assembly capable of driving the sliding seat to move relative to the rear baffle plate is arranged between the rear baffle plate and the sliding seat;

the positioning assembly is arranged on the sliding seat, and the primary adjusting assembly and the secondary adjusting assembly can drive the positioning assembly to move towards the direction of the drill bit.

Preferably, the primary adjusting assembly comprises an ejector rod cylinder, a positioning strip and a sliding strip, the ejector rod cylinder acts on the rear baffle, the positioning strip is connected with the base, the sliding strip is connected with the sliding seat in a sliding manner, the positioning strip and the sliding strip are arranged side by side, and the positioning strip and the sliding strip can slide relatively between the positioning strip and the sliding seat.

Preferably, one side of the positioning strip opposite to one side of the sliding strip is provided with a groove, and a bracing strip is arranged between the two grooves.

Preferably, the number of the positioning strips and the number of the sliding strips are 2, and the two sliding strips are arranged on the outer sides of the two positioning strips.

Preferably, the base is further provided with an induction block and a proximity switch which are connected with the ejector rod cylinder.

Preferably, the secondary adjusting component includes a micro measuring head, a limiting groove is formed in the inner side of the sliding seat, the micro measuring head is arranged on the rear baffle and extends to the limiting groove, and the rear baffle is connected with the slide bar.

Preferably, the base is further provided with a fixed seat for installing the ejector rod cylinder.

Preferably, a spring is connected between the sliding seat and the rear baffle.

Preferably, the ejector rod is made of stainless steel.

The utility model further provides a drill bit processing system which comprises a processing machine tool, a feeding and discharging device, a clamping device and a two-stage adjusting and positioning device, wherein a processing piece for processing a drill bit is arranged on the processing machine tool, the feeding and discharging device is arranged on one side of the clamping device, the two-stage adjusting and positioning device is arranged on one side of the clamping device, and the two-stage adjusting and positioning device adopts the two-stage adjusting and positioning device for processing the drill bit.

The two-stage adjusting and positioning device for drill bit processing is arranged on one side of a drill bit, preferably on the opposite side of the drill bit processing position, and comprises a base and a sliding seat, wherein a positioning assembly is arranged on the sliding seat, and a push rod with a V-shaped groove at the front end on the positioning assembly can position the drill bit, so that the concentricity is kept, and the drill bit is prevented from deviating and affecting the processing effect in the processing process; a first-stage adjusting assembly capable of driving the sliding seat to move relative to the base is arranged between the base and the sliding seat, the sliding seat drives the front baffle, the rear baffle and the positioning assembly to move in the direction perpendicular to the drill bit, so that the distance between the ejector rod and the drill bit is adjusted, the rear baffle is elastically connected with the sliding seat, the sliding seat is slidably connected with a slide bar in the first-stage adjusting assembly, the rear baffle is connected with the slide bar, a second-stage adjusting assembly capable of driving the sliding seat to move relative to the rear baffle is arranged between the rear baffle and the sliding seat, namely, the sliding seat can move relative to the first-stage adjusting assembly, the sliding seat can be finely adjusted, the position of the sliding seat is manually adjusted, the distance between the ejector rod and the drill bit is more accurately controlled, the drill bit can be positioned in a V-shaped groove; one-level regulating assembly and second grade regulating assembly can carry out hierarchical regulation to the slide, and second grade regulating assembly adopts manual regulation more, and rotatory little gauge head can finely tune, the interval between more accurate regulation and control ejector pin and the drill bit.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects:

1) the two-stage adjusting and positioning device for drill bit machining and the drill bit machining system provided by the utility model comprise the ejector rod capable of positioning the drill bit, wherein the front end of the ejector rod is provided with the V-shaped groove capable of accommodating the drill bit, so that the drill bit can be positioned, and the influence on the machining effect caused by the deviation of the drill bit in the machining process is avoided;

2) the two-stage adjusting and positioning device for drill bit machining and the drill bit machining system provided by the utility model can drive the sliding seat to drive the ejector rod to move back and forth in the direction vertical to the drill bit, can adjust the distance between the ejector rod and the drill bit, can be suitable for drill bits of different sizes, and have strong applicability;

3) the two-stage adjusting and positioning device for drill bit machining and the drill bit machining system provided by the utility model comprise the first-stage adjusting assembly and the second-stage adjusting assembly, the sliding seat can be adjusted in a grading manner, the second-stage adjusting assembly can finely adjust the sliding seat, the accuracy is higher, the distance between the push rod and the drill bit can be accurately controlled, and the drill bit can be conveniently positioned by the V-shaped groove at the front end of the ejector rod.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a partial schematic structural view of embodiment 1 of the present invention;

FIG. 3 is another partial schematic structural view of embodiment 1 of the present invention;

fig. 4 is a schematic view of the internal structure of the carriage according to embodiment 1 of the present invention;

FIG. 5 is a schematic view showing the structure of a riblet in example 1 of the present invention;

FIG. 6 is a schematic structural view of example 2 of the present invention;

FIG. 7 is a schematic structural diagram of a positioning assembly in embodiment 2 of the present invention;

FIG. 8 is a schematic view of a drill bit processing system according to embodiment 3 of the present invention;

FIG. 9 is a schematic structural view of a clamping device in embodiment 3 of the present invention;

FIG. 10 is a partial schematic structural view of a holding apparatus according to embodiment 3 of the present invention;

FIG. 11 is another partial schematic structural view of a clamping device in embodiment 3 of the present invention;

FIG. 12 is a schematic view showing a structure of a part of a holding apparatus according to embodiment 3 of the present invention;

FIG. 13 is a schematic view showing the structure of a retainer ring according to embodiment 3 of the present invention;

fig. 14 is a schematic structural view of a material returning assembly in the clamping device according to embodiment 3 of the present invention;

fig. 15 is a schematic structural view of a loading and unloading device in embodiment 3 of the present invention.

1-two-stage adjusting and positioning device; 101-a base; 102-a slide; 103-a jack-post seat; 104-a top rod; 105-V type groove; 106-front baffle; 107-tailgate; 108-a ram cylinder; 109-positioning strips; 110-a slide bar; 111-riblets; 112-a groove; 113-a bump; 114-a sensing block; 115-proximity switches; 116-a micro probe; 117-limit groove; 118-a stopper; 119-a fixed seat; 120-cylinder; 121-connecting rod; 122-a through hole; a 123-notch; 124-threaded holes;

2-a clamping device; 201-a chuck; 202-a collet sleeve; 203-shaft seat; 204-a pull rod; 205-a locking assembly; 2051-a first drive mechanism; 2052-mobile plate; 2053-securing rings; 2054-fixed station; 2055-first bearing; 206-a speed reducer; 207-servo motor; 208-a first coupling; 209-a second coupling; 210-a second bearing; 211-dust guard; 212-a base; 213-a second drive mechanism; 214-a stripper bar; 215 a buffer spring; 216-a scaffold; 217-positive stop; 218-a rear stop;

3-a loading and unloading device; 301-finishing the workpiece gripper; 302-a gripper for the workpiece to be machined; 303-tool insert plate; 304-positioning seat; 305-Y direction drive structure; a 306-Z direction drive structure; 307-X direction drive structure; 308-a displacement seat; 309-a first X-direction drive unit; 310-a second X-direction drive unit;

4-moving the sliding table; 401-a first carriage; 402-second carriage

5-grinding wheel;

6-grinding wheel seat.

Detailed Description

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention. In the drawings, the size and relative sizes of certain features may be exaggerated for clarity.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "coupled" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the term "connecting" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and a person skilled in the art can understand the specific meaning of the above terms in the present invention in a specific case.

In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used in the orientations and positional relationships shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-5 of the specification, the present invention provides a two-stage adjusting and positioning device for drill bit machining, which is arranged on one side of a drill bit arranged in a chuck for machining, and the two-stage adjusting and positioning device 1 comprises:

the positioning assembly is arranged on the sliding seat 102 and comprises a mandril seat 103 and a mandril 104, one end of the mandril 104 is connected with the mandril seat 103, the other end of the mandril 104 is provided with a V-shaped groove 105 capable of positioning the drill bit, and the mandril 104 is arranged perpendicular to the drill bit; the sliding seat 102 is arranged above the base 101, a front baffle 106 and a rear baffle 107 are respectively arranged at two ends of the sliding seat 102, and a primary adjusting assembly capable of driving the sliding seat 102 to move relative to the base 101 is arranged between the base 101 and the sliding seat 102; the sliding seat 102 is elastically connected with the rear baffle 107, and a secondary adjusting component capable of driving the sliding seat 102 to move relative to the rear baffle 107 is arranged between the rear baffle 107 and the sliding seat 102; the positioning assembly is movable with the carriage 102, and the primary and secondary adjustment assemblies drive the positioning assembly to move perpendicular to the direction of the drill bit.

The ejector rod 104 is arranged perpendicular to the drill bit, the ejector rod 104 is made of stainless steel materials, one end of the ejector rod, provided with the V-shaped groove 105, is square, and the primary adjusting assembly and the secondary adjusting assembly can adjust the distance between the ejector rod 104 and the drill bit in a grading manner and are suitable for machining drill bits of different sizes; the primary adjusting component and the secondary adjusting component can be adjusted and controlled in a cylinder adjusting mode, a manual adjusting mode or a linear guide rail adjusting mode, and the specific adjusting mode in the embodiment is as follows:

as one embodiment, the primary adjusting assembly comprises a push rod cylinder 108, a positioning bar 109, a slide bar 110 and a roller bar 111, an output end of the push rod cylinder 108 is connected with the rear baffle 107 and can push the front baffle, the rear baffle and the slide base 102 to move together, the positioning bar 109 is connected with the base 101 through a bolt, the slide bar 110 is connected with the slide base 102 in a sliding manner, i.e. the slide base 102 and the slide bar 110 can move relatively, the slide base 102 and the slide bar 110 can be connected in a sliding manner through a slide rail and a slide block or a sliding manner through a slide groove and a slide block, the positioning bar 109 and the slide bar 110 are arranged in parallel and can move relatively, a groove 112 capable of accommodating the roller bar 111 is arranged on one side of the positioning bar 109 opposite to the slide bar 110, and protrusions 113 capable of being inserted into the groove 112 are arranged on both sides of the roller bar 111, the slide bar 110 can move relative to the positioning bar 109 to drive the slide base 102 to move, the ram cylinder 108 can drive the rear baffle 107 and the slide base 102 to move back and forth together, and the base 101 is further provided with an induction block 114 and a proximity switch 115 which can regulate and control the ram cylinder 108, so that the movement of the ram cylinder 108 can be controlled.

Further, the quantity of location strip 109, draw runner 110 and roller 111 is 2, and two draw runners 110 set up two the outside of location strip 109, draw runner 110 and location strip 109 set up in the inboard of slide 102, and at the inboard evenly distributed of slide 102, can guarantee that slide 102 is more steady at the removal in-process, can not appear rocking.

As one embodiment, the secondary adjusting assembly includes a micrometer 116, a limiting groove 117 is disposed on an inner side of the sliding base 102, the sliding base 102 is slidably connected to the slide bar 110 in the primary adjusting assembly, the back plate 107 is connected to the slide bar 110, the micrometer 116 is disposed on the back plate 107 and extends to the limiting groove 117, the micrometer 116 can rotate and push the limiting groove 117 to drive the sliding base 102 to move along the slide bar 110, and a limiting block 118 is further disposed between the two positioning bars 109.

Further, a fixing seat 119 for installing the push rod cylinder 108 is further arranged on the base 101.

Further, a spring is connected between the slide base 102 and the rear baffle 107, the spring can fix the slide base 102 and the rear baffle 107, the rear baffle 107 and the slide base 102 can move together under the driving of the ejector rod cylinder 108 under the action of the first-stage adjusting assembly, the slide base 102 is finely adjusted under the regulation and control of the second-stage adjusting assembly, the micrometer head 116 can push the slide base 102 to slightly move along the length direction of the slide bar 110, and the spring can also play a buffering role, so that the regulation and control are more accurate.

Example 2

As shown in fig. 6-7 of the specification, a positioning device capable of moving a ram in a first direction and a second direction is provided, which comprises a base, a sliding seat, a primary adjusting component and a secondary adjusting component which have the same structures as those of embodiment 1, and the details are not described herein; the positioning assembly in this embodiment not only includes ejector pin seat 103 and ejector pin 104, threaded connection between ejector pin 104 and the ejector pin seat 103, positioning assembly still include with the adjustment mechanism that ejector pin seat 103 is connected, adjustment mechanism makes ejector pin seat 103 removes parallel to the drill bit, and ejector pin 104 can remove along drill bit length direction promptly, and adjustment mechanism includes cylinder 120 and connecting rod 121, the one end of connecting rod 121 with the output of cylinder 120 is connected, the other end with ejector pin seat 103 is connected.

The cylinder 120 can drive the connecting rod 121 to drive the ejector rod seat 103 to move, the connecting rod 121 is arranged parallel to the drill bit, and in the driving process of the cylinder 120, the connecting rod 121 drives the ejector rod 104 to move on the parallel position of the drill bit, namely the V-shaped groove 105 at the front end of the ejector rod 104 moves along the length direction of the drill bit, so that the device is suitable for drill bits with different lengths, and the position of the ejector rod 104 can be adjusted according to the machining position; the adjusting mechanism can adjust the ejector rod 104 in the second direction, the primary adjusting assembly and the secondary adjusting assembly can adjust the ejector rod 104 in the first direction, the distance between the ejector rod 104 and the drill bit and the contact position can be controlled, and machining is facilitated.

Further, be provided with on the ejector pin seat 103 and insert the through-hole 122 of connecting rod 121, still be provided with on the ejector pin seat 103 and pass the 7 font breach 123 of through-hole 122 makes things convenient for ejector pin seat 103 to install and dismantle on connecting rod 121, and the top and the below of breach 123 are provided with the corresponding screw hole 124 that is used for fixing on ejector pin seat 103, can lock through the bolt, can fix ejector pin seat 103 on connecting rod 121.

Further, the top bar 104 is made of stainless steel, and one end of the top bar 104, at which the V-shaped groove 105 is arranged, is square.

Example 3

As shown in fig. 8-15 of the specification, the utility model further provides a drill bit processing system, which comprises a processing machine tool, a feeding and discharging device 3, a clamping device 2 and a two-stage adjusting and positioning device 1, wherein a workpiece for processing a drill bit is arranged on the processing machine tool, the workpiece in the drawing is a grinding wheel 5, the feeding and discharging device 3 is arranged on one side of the clamping device 2, the two-stage adjusting and positioning device 1 is arranged on one side of the clamping device 2, and the two-stage adjusting and positioning device 1 is arranged as described in embodiment 2, so that the ejector rod 103 can be driven to move in a direction parallel to and perpendicular to the drill bit, and the drill bit can be more accurately positioned; the grinding wheel 5 is arranged on the grinding wheel seat, the grinding wheel seat 6 can drive the grinding wheel 5 to move up and down in the vertical direction, the grinding wheel 5 can also be driven to shift left and right in the vertical direction, the drill bit can be processed in multiple directions, and the grinding wheel seat 6 drives the grinding wheel 5 to move up and down in a motor, cylinder and other modes; the grinding wheel seat 6 and the feeding and discharging device 3 are arranged on a processing machine tool, the processing machine tool is further provided with a movable sliding table 4, the clamping device 2 and the two-stage adjusting assembly are arranged on the movable sliding table 4, the clamping device 2 is located on one side of the grinding wheel 5, the movable sliding table 4 can drive the clamping device 2 and the two-stage adjusting assembly to move in the X direction and the Y direction, the movable sliding table 4 comprises a first sliding seat 401 and a second sliding seat 402, the second sliding seat 402 is arranged on the first sliding seat 401, the clamping device 2 and the two-stage adjusting assembly are arranged on the second sliding seat 402, the first sliding seat 401 can drive the second sliding seat 402 to move in the X direction, the second sliding seat 402 can drive the clamping device 2 and the positioning device 1 to move in the Y direction, and the movable sliding table 4 can adjust the distance and the position between a drill bit and the processing device, so that processing is facilitated; the first slide carriage 401 and the second slide carriage 402 can adopt common linear reciprocating driving devices such as an air cylinder, a hydraulic cylinder, an electric push rod or a linear module to realize the movement of the clamping device 2 and the positioning device 1 in the X direction and the Y direction, the first slide carriage 401 and the second slide carriage 402 can adopt the same driving device or different driving devices, in this embodiment, the first sliding seat 401 and the second sliding seat 402 are driven by a motor to drive a screw rod, a sliding block is connected with the screw rod in a threaded manner, the motor drives the screw rod to rotate in a reciprocating manner, the sliding block can move back and forth on the screw rod, the clamping device 2 can be further driven to move, the embodiment only exemplifies a driving mode for driving the clamping device 2 to move, the driving mode is not limited to the driving mode, the position between the drill bit and the machining device can be adjusted through other driving modes, and loading, unloading and machining are facilitated; in-process at last unloading can remove clamping device 2 from the processing position to there is the space of going up unloading, then remove clamping device 2 to the processing position and process, and can adjust the interval between drill bit and the processing device in the course of working, can carry out intelligent control to drill bit processing, improve the efficiency of drill bit processing.

As shown in fig. 9-14 of the specification, the holding device 2 comprises: the drill bit clamping device comprises a clamping head 201, a clamping head sleeve 202 and a shaft seat 203, wherein the clamping head 201 is a hollow cylinder with a plurality of notches arranged at the front end, a drill bit is arranged at the front end of the clamping head 201 and can be tightened through external pressure to fix the drill bit, the clamping head 201 is arranged in the clamping head sleeve 202, the front end of the clamping head sleeve 202 is conical, the inner diameter of the front end of the clamping head sleeve 202 is smaller than the outer diameter of the clamping head 201 when the clamping head 201 is opened, when the clamping head 201 moves backwards relative to the clamping head sleeve 202, the clamping head sleeve 202 can extrude the clamping head 201, the clamping head 201 is folded inwards to clamp the drill bit, when the clamping head 201 moves forwards relative to the clamping head sleeve 202, the clamping head 201 is restored to the original state and can be loosened, the shaft seat 203 is arranged on a machine tool, the clamping head sleeve 202 is arranged in the shaft seat 203, and the clamping head sleeve 202 cannot move forwards and backwards, upwards and downwards move and downwards and rotatably move; the clamping device further comprises a pull rod 204 and a locking assembly 205, one end of the pull rod 204 is connected with the locking assembly 205, the other end of the pull rod 204 penetrates through the chuck sleeve 202 to be connected with the chuck 201, and the locking assembly 205 can drive the pull rod 204 to drive the chuck 201 to move back and forth, so that the chuck 201 and the chuck sleeve 202 form relative movement to realize the locking and unlocking of the drill bit.

Further, the drill bit is rotated in the machining process so as to facilitate uniform machining, a speed reducer 206 is sleeved outside the pull rod 204, the speed reducer 206 can drive the pull rod 204 to drive the drill bit to rotate, the speed reducer 206 is connected with a servo motor 207, a first coupler 208 is arranged between the servo motor 207 and the speed reducer 206, a second coupler 209 is arranged between the speed reducer 206 and the shaft seat 203, and the speed reducer 206 is also provided with other conventional parts, which are not described again; a second bearing 210 is disposed between shaft receptacle 203 and collet sleeve 202 to allow collet sleeve 202 to rotate relative to shaft receptacle 203.

Further, the locking assembly 205 can drive the pull rod 204 to move, the locking assembly 205 includes a first driving mechanism 2051, a movable plate 2052 and a fixed ring 2053, the first driving mechanism 2051 can be a linear module, a hydraulic cylinder or an electric push rod, in the figure, the first driving mechanism 2051 is a cylinder and can drive the pull rod 204 to move back and forth; the first driving mechanism 2051 is mounted on a fixed table 2054 on a machine tool, one side of the movable plate 2052 is connected with the first driving mechanism 2051, the other side of the movable plate 2052 is in threaded connection with a fixed ring 2053, a first bearing 2055 is arranged in the fixed ring 2053, and the pull rod 204 is connected with the first bearing 2055, so that the pull rod 204 can rotate relative to the locking assembly 205 to keep the drill bit rotating in the machining process; in order to ensure the smooth movement of the pull rod 204, two first driving mechanisms 2051 are uniformly distributed at two ends of the movable plate 2052.

Further, the collet sleeve 202 is provided with a step at the connection with the second bearing 210; in order to prevent dust from entering the second bearing and affecting the use of the device, a dustproof sheet 211 is further arranged between the shaft seat 203 and the chuck sleeve 202.

Further, the speed reducer 206 is also connected with a base 212, and the base 212 is connected with a machine tool.

The working principle of the drill bit clamping device is that a drill bit is placed in an opened chuck 201, then the first driving mechanism 2051 drives the pull rod 204 to move towards the chuck sleeve 202, the inner diameter of the chuck sleeve 202 is smaller than the outer diameter of the chuck 201, relative movement is formed between the chuck 201 and the chuck sleeve 202, the drill bit can be locked, in the machining process, the speed reducer 206 drives the pull rod 204 to rotate, the drill bit can be driven to rotate, after machining is completed, the first driving mechanism 2051 pushes the pull rod 204 forwards, relative movement is formed between the chuck 201 and the chuck sleeve 202, the drill bit is in an opened state again, and the drill bit is loosened and can be taken down.

In order to realize automatic blanking of the drill bit, the clamping device 2 is further provided with a material returning assembly, as shown in fig. 14 in the specification, the material returning assembly includes a second driving mechanism 213 and a material returning rod 214, the second driving mechanism 213 is preferably a push rod cylinder, the second driving mechanism 213 is disposed on a fixed table 2054, a buffer spring 215 is connected between one end of the material returning rod 214 and the second driving mechanism 213, the other end of the material returning rod 214 sequentially passes through the pull rod 204 and the chuck 201 and extends to the drill bit, the second driving mechanism 213 can drive the material returning rod 214 to move towards the drill bit direction, so as to push out the drill bit, thereby realizing automatic blanking, and the material returning rod 214 can be formed by splicing a plurality of material returning rod units or can be an integral unit.

Further, the material returning assembly further comprises a support 216, a front stop block 217 and a rear stop block 218, the support 216 is mounted on the fixed table 2054, the rear stop block 218 is arranged on the support 216 and is provided with the second driving mechanism 213, the second driving mechanism 213 is arranged between the two first driving mechanisms 2051, the front stop block 217 is movably mounted on the support 216, a sliding groove for the movement of the front stop block 217 is formed in the support 216, the material returning rod 214 penetrates through the rear stop block 218 to be connected with the material returning plate, and the buffer spring 215 is mounted between the material returning plate and the front stop block 217.

The material returning assembly has the working principle that the material returning rod 214 sequentially penetrates through the pull rod 204 and the chuck 201 and extends towards the drill bit, a buffer spring 215 is further arranged between the second driving mechanism 213 and the material returning rod 214, the second driving mechanism 213 can push the material returning rod 214 to move towards the drill bit direction, the buffer spring 215 can enable the material returning rod 214 to return to the original position, after the drill bit is machined, the chuck 201 is loosened, at the moment, the drill bit and the chuck 201 can move relatively, the second driving mechanism 213 moves towards the drill bit direction, the material returning rod 214 can enable the drill bit to return from the chuck 201 under the action of the second driving mechanism 213, automatic blanking is completed, and the material returning rod 214 can return to the original position under the action of the buffer spring 215 to perform the next automatic blanking.

The loading and unloading device 3 is arranged on one side of the clamping device 2 and used for taking down a drill bit which is finished in processing and putting a drill bit to be processed on the chuck 201 again to finish automatic loading and unloading of the drill bit, and the loading and unloading device 3 comprises a finished workpiece gripper 301, a to-be-processed workpiece gripper 302 and a positioning mechanism, wherein the finished workpiece gripper 301 is used for gripping the processed drill bit on the chuck 201 of the processing machine tool and inserting the processed drill bit on the chuck 303 of the processing machine tool into the tool insert plate 303, and the to-be-processed workpiece gripper 302 is used for gripping the to-be-processed drill bit on the tool insert plate 303 and inserting the to-be-processed drill bit into the drill bit 201 of the clamping device 2 to finish automatic loading and unloading and automatic locking and automatic unloading of the drill bit. Since the finished workpiece gripper 301 and the to-be-processed workpiece gripper 302 need to move between the respective insertion holes of the tool insert tray 303 and between the tool insert tray 303 and the clamping device 2, it is necessary to position the spatial positions of the finished workpiece gripper 301 and the to-be-processed workpiece gripper 302, that is, the device further includes a positioning mechanism; the positioning mechanism comprises a positioning seat 304, a Y-direction driving structure 305 for driving the positioning seat 304 to linearly move, and a Z-direction driving structure 306 for driving the positioning seat 304 to linearly move along a vertical direction, two groups of X-direction driving structures 307 with X-direction telescopic movement are arranged on the positioning seat 304, the X-direction is perpendicular to the Y-direction and the Z-direction, and the orientation of the position is the same as the orientation of the moving sliding table 4, for convenience of description of this embodiment, the finished workpiece gripper 301 and the to-be-machined workpiece gripper 302 are both installed on the positioning seat 304 and are connected with the two groups of X-direction driving structures 307 in a one-to-one correspondence manner, the finished workpiece gripper 301 and the to-be-machined workpiece gripper 302 are sequentially arranged along the Y-direction or the Z-direction, and have the same pitch as the jack array pitch on the external tool insert plate 303, so as to facilitate picking and placing the drill bits, and by means of the X-direction driving structures 307, the Y-direction driving structures 305, and the Z-direction driving structures 306, the three-dimensional dynamic adjustment of the workpiece completing gripper 301 and the workpiece waiting gripper 302 in the space position can be realized, the working positions of the workpiece completing gripper 301 and the workpiece waiting gripper 302 are accurately positioned, the smooth feeding and discharging operation is ensured, the product rejection rate is reduced, the workpiece completing gripper 301 and the workpiece waiting gripper 302 both adopt expandable pipe sleeves, and a drill bit can be taken and placed.

Further, as shown in fig. 8 of the specification, a Y-direction driving structure 305 and a Z-direction driving structure 306 respectively drive the positioning seat to move in the Y direction and the Z direction through the reciprocating rotation of the screw rod, and the motor drives the screw rod to reciprocate, and a specific embodiment thereof is described by taking the example that the positioning seat 304 moves in the Z direction as an example, the positioning seat 304 is in threaded connection with the screw rod, two ends of the positioning seat 304 penetrate through the slide rod, the positioning seat 304 can be driven to move along the slide rod in the rotating process of the screw rod, i.e., move in the vertical direction, the Y-direction driving structure is the same as the Z-direction driving structure, the Y-direction driving structure comprises a movable displacement seat 308, the displacement seat 308 is provided with the Z-direction driving mechanism 306, and naturally, the movement of the displacement seat and the positioning seat can also be realized by using common linear reciprocating driving devices such as an air cylinder, a hydraulic rod, an electric push rod, or a linear module; the X-direction driving structure is disposed on the positioning seat, and includes a sliding table (shown and not labeled), a sliding plate (shown and not labeled), a first X-direction driving unit 309 and a second X-direction driving unit 310, the first X-direction driving unit 309 is mounted on the positioning seat 304, the sliding table is slidably disposed on the positioning seat 304 and connected to an output end of the first X-direction driving unit 309, the second X-direction driving unit 310 is mounted on the sliding table, the sliding plate is slidably arranged on the sliding table and connected with the output end of the second X-direction driving unit 310, the telescopic driving directions of the first X-direction driving unit 309 and the second X-direction driving unit 310 are both X-directions, and the finished workpiece gripper 301 and the to-be-processed workpiece gripper 302 are respectively mounted on corresponding sliding plates, and the first X-direction driving unit 309 and the second X-direction driving unit 310 drive the finished workpiece gripper 301 and the to-be-processed workpiece gripper 302 to move by using a driving method of an air cylinder.

Go up unloader 3, remove slip table 4 and clamping device 2 and can realize unloading and automatic locking in the automation of drill bit, can be applied to the system of processing of drill bit, install on the base of lathe, use with the processingequipment cooperation, accomplish the intelligent processing of drill bit, for further accuracy process the drill bit, still be provided with on the removal slip table and be used for carrying out spacing positioner to the drill bit.

The working principle of the processing system is that the loading and unloading device automatically sends drill bits to be processed to the chuck device for locking, then the sliding table is moved to move the whole clamping device towards the direction of a workpiece, the workpiece processes the drill bits, after the processing is completed, the sliding table is moved to move the clamping device away, then the processed drill bits are automatically unloaded, and the loading and unloading device moves out of the clamping device and is loaded with new drill bits to be processed for the next processing.

And those not described in detail in this specification are well within the skill of those in the art.

It should be understood by those skilled in the art that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the utility model. Although an embodiment of the present invention has been described, it is to be understood that the present invention should not be limited to this embodiment, and variations and modifications can be made by those skilled in the art within the spirit and scope of the present invention as defined in the appended claims.

Claims (10)

1. The utility model provides a positioner is adjusted to two-stage for drill bit processing, its sets up in one side of drill bit, and the drill bit sets up and processes in the chuck, its characterized in that, this positioner is adjusted to two-stage includes:

the positioning assembly comprises a mandril base and a mandril, one end of the mandril is connected with the mandril base, the other end of the mandril is provided with a V-shaped groove capable of positioning the drill bit, and the mandril is perpendicular to the drill bit;

the base is arranged above the sliding seat, a front baffle and a rear baffle are respectively arranged at two ends of the sliding seat, and a primary adjusting assembly capable of driving the sliding seat to move relative to the base is arranged between the base and the sliding seat;

the rear baffle plate is connected with the rear baffle plate in a sliding way, the rear baffle plate is connected with the primary adjusting assembly, and a secondary adjusting assembly capable of driving the sliding seat to move relative to the rear baffle plate is arranged between the rear baffle plate and the sliding seat;

the positioning assembly is arranged on the sliding seat, and the primary adjusting assembly and the secondary adjusting assembly can drive the positioning assembly to move towards the direction of the drill bit.

2. The two-stage adjusting and positioning device for drill bit machining according to claim 1, wherein the one-stage adjusting assembly comprises an ejector rod cylinder, a positioning bar and a sliding bar, the ejector rod cylinder acts on the rear baffle, the positioning bar is connected with the base, the sliding bar is connected with the sliding seat in a sliding manner, and the positioning bar and the sliding bar are arranged side by side and can slide relatively.

3. The two-stage adjustment positioning device for drill bit machining according to claim 2, characterized in that the opposite sides of the positioning bar and the slide bar are provided with grooves, and a ribbing bar is arranged between the two grooves.

4. The two-stage adjusting and positioning device for drill bit machining according to claim 2, wherein the number of the positioning strips and the number of the sliding strips are 2, and the two sliding strips are arranged on the outer sides of the two positioning strips.

5. The two-stage adjusting and positioning device for drill bit machining according to claim 2, wherein the base is further provided with an induction block and a proximity switch which are connected with the ejector rod cylinder.

6. The two-stage adjusting and positioning device for drill processing according to claim 2, wherein the two-stage adjusting assembly comprises a micro measuring head, a limiting groove is formed in the inner side of the sliding seat, the micro measuring head is arranged on the rear baffle plate and extends to the limiting groove, and the rear baffle plate is connected with the slide bar.

7. The two-stage adjusting and positioning device for drill bit machining according to claim 2, wherein a fixing seat for installing a push rod cylinder is further arranged on the base.

8. The two-stage adjustment positioning device for drill bit machining according to claim 1, characterized in that a spring is connected between the slide and the tailgate.

9. The two-stage adjustment positioning device for drill bit machining according to claim 1, wherein the ejector pin is made of stainless steel.

10. A drill bit processing system comprises a processing machine tool, a feeding and discharging device, a clamping device and a two-stage adjusting and positioning device, wherein a processing piece for processing a drill bit is arranged on the processing machine tool, the feeding and discharging device is arranged on one side of the clamping device, and the two-stage adjusting and positioning device is characterized in that the two-stage adjusting and positioning device for processing the drill bit as claimed in any one of claims 1 to 9 is adopted.

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