CN217570990U - Automatic locking and clamping device for drill bit machining and drill bit machining system - Google Patents

Abstract

The utility model relates to a drill bit processing technology field especially relates to a drill bit processing is with automatic clamping device and drill bit system of locking, and this clamping device installs and is used for drill bit processing on the lathe, include: the chuck sleeve is sleeved on the chuck, the front end of the chuck sleeve is conical, the inner diameter of the front end of the chuck sleeve is smaller than the outer diameter of the chuck, the shaft seat is sleeved on the outer side of the chuck sleeve, one end of the pull rod is movably connected with the locking component, the other end of the pull rod penetrates through the chuck sleeve to be connected with the chuck, and the locking component can enable the pull rod to drive the chuck and the chuck sleeve to move relatively. The utility model provides a clamping device, simple structure through set up locking Assembly at the pull rod end, can carry out automatic locking and unblock to the chuck, can improve machining efficiency.

Description

Automatic locking and clamping device for drill bit machining and drill bit machining system

Technical Field

The utility model relates to a drill bit processing technology field especially relates to a drill bit processing is with automatic locking clamping device and drill bit system of processing.

Background

The drill bit is a tool for drilling through holes or blind holes in solid materials and expanding the existing holes, and the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill. In the process of machining the drill bit, the drill bit needs to be fixed, and then various machining is carried out on the drill bit through the machining device.

The drill chuck is mainly used for screwing by a wrench wheel and is mainly used for the machine tool industry, such as bench drills and electric hand drills; the hand-held drill chuck is mainly used on an electric hand drill. When the drill chuck presss from both sides tight drill bit, need lock with the help of the manual work, to the little brill that needs big batch processing, need the manual work to be fixed in the drill chuck with little brill in, then carry out drill bit processing, processing is accomplished the back, loosens the drill chuck by the manual work again, and manual operation is inefficient, and can cause little brill because of considering the reason and place the offset, influences drill bit processing, causes drill bit machining efficiency low, and needs to increase the cost of labor and drops into.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic locking clamping device is used in drill bit processing installs and is used for drill bit processing on the lathe, include:

a chuck for holding a drill bit;

the chuck sleeve is sleeved on the chuck, the front end of the chuck sleeve is conical, and the inner diameter of the front end of the chuck sleeve is smaller than the outer diameter of the chuck;

the shaft seat is arranged on the machine tool and sleeved outside the chuck sleeve;

the clamping head is characterized by further comprising a pull rod and a locking assembly of a movable pull rod, wherein one end of the pull rod is movably connected with the locking assembly, and the other end of the pull rod penetrates through the clamping head sleeve to be connected with the clamping head;

the locking assembly can enable the pull rod to drive the chuck and the chuck sleeve to move relatively.

Preferably, the locking assembly comprises a chuck cylinder, a movable plate and a fixing ring, the chuck cylinder is connected with the movable plate, the fixing ring is arranged on the movable plate, a first bearing is further arranged in the fixing ring, and the first bearing is connected with the pull rod.

Preferably, the chuck cylinders are two and symmetrically arranged at two ends of the movable plate.

Preferably, the locking assembly further comprises a fixed seat mounted on the machine tool, and the chuck cylinder is arranged on the fixed seat.

Preferably, the pull rod is sleeved with a rotatable speed reducer, and the speed reducer is connected with a servo motor.

Preferably, a second bearing is further arranged between the shaft seat and the chuck sleeve.

Preferably, the collet sleeve is provided with a step at the connection with the second bearing.

Preferably, a dustproof sheet is further arranged between the shaft seat and the chuck sleeve.

Preferably, a first coupling is arranged between the speed reducer and the servo motor, and a second coupling is arranged between the speed reducer and the shaft seat.

The utility model also provides a drill bit system of processing, including machine tool, last unloader and clamping device, be provided with the machined part that is used for processing the drill bit on the machine tool, last unloader sets up the one side at clamping device, clamping device adopts foretell drill bit processing to lock clamping device with automatic.

The utility model provides an automatic locking clamping device is used in drill bit processing, be applied to drill bit processing, unblock after locking location and processing completion to the drill bit, be convenient for wait to process the processing of drill bit, can use with automatic feeding's manipulator cooperation, realize unloading and automatic locking and unblock in drill bit processing's automation, this drill bit clamping device's theory of operation is, the axle bed, speed reducer and fixing base all set up on the lathe, the speed reducer can drive the drill bit and rotate in the course of working, be provided with the second bearing between axle bed and the chuck sleeve, the chuck sleeve can be at the axle bed internal rotation, pull rod one end is connected with the chuck, the other end is connected with and drives the chuck cylinder that it removed, the chuck cylinder can make the pull rod drive the chuck and remove for the chuck sleeve, can realize the locking and the unblock of drill bit, chuck sleeve front end is the toper, the pull rod moves backward, then realize the locking of drill bit, the pull rod moves forward, then realize the unblock of drill bit, in order to make the drill bit rotate in the course of working, even processing, be connected with solid fixed ring between pull rod and the fly leaf, gu fixed ring is connected with the fly leaf, gu be provided with the first bearing that can be connected with the pull rod, the pull rod cylinder moves, the pull rod cylinder moves the pull rod and drive the pull rod and move, can carry out the back-and move, can carry out the fly leaf, can lock the drill bit and unblock to the fly leaf.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following beneficial effect:

1) The utility model provides an automatic locking clamping device and drill bit system of processing of drill bit, its simple structure, the chuck and the pull rod of centre gripping drill bit are connected, and the pull rod can be moved back and forth under the drive of chuck cylinder, can make the chuck move back and forth relative to chuck sleeve, realizes the locking and the unblock of drill bit, can realize the intellectuality of drill bit centre gripping, improves drill bit machining efficiency, reduces manual operation, practices thrift the cost;

2) The utility model provides an automatic locking clamping device and drill bit system of processing for drill bit, swing joint between pull rod and the locking Assembly, the pull rod promptly can and the locking Assembly between form relative rotation, under the pivoted prerequisite in not influencing the drill bit course of working, can realize the locking and the unblock of drill bit for the operation is more convenient.

Drawings

FIG. 1 is a schematic view of the structure of the clamping device of the present invention;

FIG. 2 is a schematic view of a part of the structure of the clamping device of the present invention;

fig. 3 is another schematic structural view of the holding device of the present invention;

fig. 4 is a schematic structural view of another part of the clamping device of the present invention;

fig. 5 is a schematic structural view of the fixing ring of the present invention;

fig. 6 is a schematic structural view of a material returning assembly in the clamping device of the present invention;

fig. 7 is a schematic structural view of embodiment 2 of the present invention;

fig. 8 is a schematic structural view of a loading and unloading device in embodiment 2 of the present invention.

1-a drill bit;

2-a clamping device; 201-a chuck; 202-a collet sleeve; 203-shaft seat; 204-a pull rod; 205-a locking assembly; 2051-chuck cylinder; 2052-mobile plate; 2053-securing rings; 2054-fixed seat; 2055-first bearing; 206-a speed reducer; 207-servo motor; 208-a first coupling; 209-a second coupling; 210-a second bearing; 211-dust-proof sheet; 212-a base; 213-ejector pin cylinder; 214-a stripper bar; 215 a buffer spring; 216-a support; 217-front baffle; 218-a tailgate;

3-a loading and unloading device; 301-finishing the workpiece gripper; 302-a gripper for the workpiece to be machined; 303-tool insert disc; 304-positioning seat; 305-Y drive configuration; 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-a second carriage.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention. In the drawings, the size and relative sizes of certain portions may be exaggerated for clarity.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "connected" 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 "connected" refers to a connection between two elements or an interaction between two elements, and the term is used in the present invention to be understood as a specific meaning for those skilled in the art.

In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "back", and the like are used in the orientation or positional relationship shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, the terms "first" and "second" are used only for distinguishing in description.

Example 1

As shown in the attached fig. 1-5 of the specification, the utility model provides an automatic locking clamping device for drill bit machining, install on the lathe and be used for drill bit 1 to process, this clamping device 2 includes: the drill bit comprises a chuck 201, a chuck sleeve 202 and a shaft seat 203, wherein the chuck 201 is a hollow cylinder with a plurality of notches arranged at the front end, a drill bit 1 is arranged at the front end of the chuck 201 and can be tightened by external pressure to fix the drill bit 1, the chuck 201 is arranged in the chuck sleeve 202, the front end of the chuck sleeve 202 is conical, the inner diameter of the front end of the chuck sleeve 202 is smaller than the outer diameter of the chuck 201 when the chuck 201 is opened, when the chuck 201 moves backwards relative to the chuck sleeve 202, the chuck sleeve 202 can extrude the chuck 201, the chuck 201 is folded inwards to clamp the drill bit 1, when the chuck 201 moves forwards relative to the chuck sleeve 202, the chuck 201 is restored to the original state, the drill bit 1 can be loosened, the shaft seat 203 is arranged on a machine tool, the chuck sleeve 202 is arranged in the shaft seat 203, and the chuck sleeve 202 cannot move forwards and backwards, forwards, upwards and backwards, upwards and downwards move and downwards; 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, and the locking and the unlocking of the drill bit 1 are realized.

Further, the drill bit 1 needs to rotate 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 1 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 component 205 can drive the pull rod 204 to move, and in one embodiment, the locking component 205 is a linear module, a hydraulic cylinder or an electric push rod structure, and can drive the pull rod 204 to move back and forth; in another embodiment, as shown in fig. 2 of the specification, the locking assembly 205 includes a chuck cylinder 2051, a movable plate 2052 and a fixing ring 2053, the chuck cylinder 2051 is mounted on a fixing seat 2054 on the machine tool, one side of the movable plate 2052 is connected with the chuck cylinder 2051, the other side of the movable plate 2052 is in threaded connection with the fixing ring 2053, a first bearing 2055 is arranged in the fixing 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 1 rotating during the machining process; in order to ensure the smooth movement of the pull rod 204, two chuck cylinders 2051 are uniformly distributed at both 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 dust-proof 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 1 is placed in an expanded clamping head 201, then a clamping head cylinder 2051 drives a pull rod 204 to move towards a clamping head sleeve 202, the inner diameter of the clamping head sleeve 202 is smaller than the outer diameter of the clamping head 201, relative movement is formed between the clamping head 201 and the clamping head sleeve 202, the drill bit 1 can be locked, in the machining process, a speed reducer 206 drives the pull rod 204 to rotate, the drill bit 1 can be driven to rotate, after machining is completed, the clamping head cylinder 2051 pushes the pull rod 204 forwards, relative movement is formed between the clamping head 201 and the clamping head sleeve 202, the drill bit 1 is in an expanded state again, and the drill bit 1 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. 6 in the specification, the material returning assembly comprises an ejector rod cylinder 213 and a material returning rod 214, the ejector rod cylinder 213 is arranged on a fixed seat 2054, a buffer spring 215 is connected between one end of the material returning rod 214 and the ejector rod cylinder 213, the other end of the material returning assembly sequentially penetrates through the pull rod 204 and the chuck 201 to extend to the drill bit 1, the ejector rod cylinder 213 can drive the material returning rod 214 to move towards the drill bit 1, the drill bit 1 can be pushed out, automatic blanking is realized, and the material returning rod 214 can be formed by splicing a plurality of material returning rod units or can be a whole.

Further, the material returning assembly further comprises a support 216, a front baffle 217 and a rear baffle 218, the support 216 is mounted on the fixed seat 2054, the rear baffle 218 is arranged on the support 216 and is provided with the ejector rod cylinder 213, the ejector rod cylinder 213 is arranged between the two chuck cylinders 2051, the front baffle 217 is movably mounted on the support 216, a sliding groove capable of allowing the front baffle 217 to move is formed in the support 216, the material returning rod 214 penetrates through the rear baffle 218 to be connected with the material returning plate, and the buffer spring 215 is mounted between the material returning plate and the front baffle 217.

The working principle of the material returning assembly is that the material returning rod 214 sequentially penetrates through the pull rod 204 and the chuck 201 and extends towards the drill bit 1, a buffer spring 215 is further arranged between the ejector rod cylinder 213 and the material returning rod 214, the ejector rod cylinder 213 can push the material returning rod 214 to move towards the drill bit 1, the buffer spring 215 can enable the material returning rod 214 to return to the original position, after the drill bit 1 is machined, the chuck 201 is loosened, at the moment, the drill bit 1 and the chuck 201 can move relatively, the ejector rod cylinder 213 moves towards the drill bit 1, the material returning rod 214 can enable the drill bit 1 to return from the chuck 201 under the action of the ejector rod cylinder 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 next automatic blanking.

Example 2

As shown in fig. 7-8 of the specification, the utility model provides a drill bit processing system, including the machine tool, go up unloader 3, move slip table 4 and clamping device 2 of embodiment 1, the machine tool includes the machined part that is used for carrying out processing such as cutting, polishing to the drill bit, the machined part sets up in one side of clamping device, and be close to drill bit one end setting, the machine tool still includes a main part frame, go up unloader 3, move slip table 4, clamping device 2 and machined part all set up in the main part frame, this clamping device 2 sets up on moving slip table 4, clamping device 2 is located one side of drill bit 1, moving slip table 4 can drive clamping device 2 and move in X direction and Y direction, this moving slip table 4 includes first slide 401 and second slide 402, second slide 402 sets up on first slide 401, clamping device 2 sets up on second slide 402, first slide 401 can drive second slide 402 and move along X direction, second slide 402 can drive clamping device 2 and move in Y direction, moving slip table 4 can adjust the interval and the position between 1 and the processingequipment, be convenient for processing drill bit; the first slide seat 401 and the second slide seat 402 can adopt common linear reciprocating drive equipment 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 in the X direction and the Y direction, the first slide seat 401 and the second slide seat 402 can adopt the same drive equipment and can also adopt different drive equipment, in the embodiment, the first slide seat 401 and the second slide seat 402 adopt a mode that a motor drives a screw rod to drive, a slide block is connected with the screw rod through threads, the motor drives the screw rod to rotate in a reciprocating manner, the slide block can move back and forth on the screw rod and further can drive the clamping device 2 to move, the embodiment only discloses a drive mode for driving the clamping device 2 to move, and the drive mode is not limited to the drive mode, and the position between a drill bit and a processing device can be adjusted through other drive modes, so that loading, unloading and processing are convenient; 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 1 and the processing device in the course of working, can carry out intelligent control to 1 processing of drill bit, improve the efficiency of 1 processing of drill bit.

The loading and unloading device 3 is arranged on one side of the clamping device 2 and used for taking down the drill bit 1 which is processed, putting the drill bit 1 to be processed on the chuck 201 again and completing automatic loading and unloading of the drill bit 1, and the loading and unloading device 3 comprises a workpiece completing gripper 301, a workpiece to be processed gripper 302 and a positioning mechanism, wherein the workpiece completing gripper 301 is used for grabbing the drill bit 1 which is processed on the chuck 201 of the processing machine tool and inserting the drill bit 1 into the tool insert disc 303, and the workpiece to be processed gripper 302 is used for grabbing the drill bit 1 which is to be processed on the tool insert disc 303 and inserting the drill bit 1 into the drill bit 201 of the clamping device 2, so that automatic loading and unloading, automatic locking of the drill bit 1 and automatic unloading are completed. 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 303 and between the tool insert 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 directions of the positions are the same as the directions of the movable sliding table 4.

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 in the figure, not labeled), a sliding plate (shown in the figure, 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 disposed on the sliding table and connected to an output end of the second X-direction driving unit 310, telescopic driving directions of the first X-direction driving unit 309 and the second X-direction driving unit 310 are both X-directions, the workpiece completing gripper 301 and the workpiece to be processed gripper 302 are respectively mounted on the corresponding sliding plates, and the first X-direction driving unit 309 and the second X-direction driving unit 310 drive the workpiece completing gripper 301 and the workpiece to be processed gripper 302 to move by using a driving manner of an air cylinder.

The feeding and discharging device 3, the movable sliding table 4 and the clamping device 2 can realize automatic feeding and discharging and automatic locking of the drill bit 1, can be applied to a machining system of the drill bit, is installed on a base of a machine tool and is matched with the machining device to complete intelligent machining of 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 will be appreciated by those skilled in the art that the invention can be embodied in many other specific forms without departing from the spirit or scope of the invention. Although the embodiments of the present invention have been described, it is to be understood that the present invention should not be limited to such embodiments, and that changes and modifications can be made by one skilled in the art within the spirit and scope of the present invention as defined by the appended claims.

Claims (10)

1. An automatic locking clamping device for drill bit machining is installed on a machine tool and used for drill bit machining, and comprises:

a chuck for holding a drill bit;

the chuck sleeve is sleeved on the chuck, the front end of the chuck sleeve is conical, and the inner diameter of the front end of the chuck sleeve is smaller than the outer diameter of the chuck;

the shaft seat is arranged on the machine tool and sleeved outside the chuck sleeve;

the chuck is characterized by further comprising a pull rod and a locking assembly of a movable pull rod, wherein one end of the pull rod is movably connected with the locking assembly, and the other end of the pull rod penetrates through the chuck sleeve to be connected with the chuck;

the locking assembly can enable the pull rod to drive the chuck and the chuck sleeve to move relatively.

2. The automatic locking and clamping device for the drill bit machining according to claim 1, wherein the locking assembly comprises a chuck cylinder, a movable plate and a fixing ring, the chuck cylinder is connected with the movable plate, the fixing ring is arranged on the movable plate, a first bearing is further arranged in the fixing ring, and the first bearing is connected with the pull rod.

3. The automatic locking and clamping device for drill processing as claimed in claim 2, wherein the chuck cylinder has two cylinders symmetrically disposed at both ends of the movable plate.

4. The automatic locking and clamping device for drill bit machining according to claim 2, wherein the locking assembly further comprises a fixed seat mounted on a machine tool, and the chuck cylinder is arranged on the fixed seat.

5. The automatic locking and clamping device for drill bit machining according to claim 1, wherein a rotatable speed reducer is further sleeved outside the pull rod, and the speed reducer is further connected with a servo motor.

6. The automatic locking and clamping device for drill bit machining as claimed in claim 1, wherein a second bearing is further provided between said shaft seat and said chuck sleeve.

7. The automatic locking clamp for drill bit machining according to claim 6, wherein the cartridge sleeve is provided with a step at a connection with the second bearing.

8. The automatic locking and clamping device for drill bit machining according to claim 1, wherein a dust-proof sheet is further disposed between the shaft seat and the chuck sleeve.

9. The automatic locking and clamping device for drill bit machining as claimed in claim 5, wherein a first coupling is provided between the speed reducer and the servo motor, and a second coupling is provided between the speed reducer and the shaft seat.

10. A drill processing system, comprising a processing machine tool, a loading and unloading device and a clamping device, wherein a processing piece for processing a drill is arranged on the processing machine tool, the loading and unloading device is arranged at one side of the clamping device, and the clamping device adopts the automatic locking clamping device for processing the drill according to any one of claims 1 to 9.

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