CN215145211U

CN215145211U - Horizontal broaching machine

Info

Publication number: CN215145211U
Application number: CN202121137483.1U
Authority: CN
Inventors: 陈亚娣; 赵传亚; 包国旭; 徐杰; 龙秀斌
Original assignee: Zhejiang Hongyi Magnetoelectric Technology Co ltd
Current assignee: Zhejiang Hongyi Magnetoelectric Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-14
Anticipated expiration: 2031-05-25

Abstract

The utility model belongs to the technical field of the machine tool equipment and specifically relates to a horizontal broaching machine is related to, including the lathe bed, the broach, the anchor clamps body, first driving piece, cleaning device installs in the lathe bed top, including the support frame, blast pipe and the compressed air pump station with the blast pipe intercommunication, the blast pipe is fixed on the support frame, be equipped with six nozzles on the blast pipe, the nozzle is along blast pipe axial evenly distributed and nozzle orientation broach, the lathe bed front end is fixed with the anchor clamps body that supports the work piece, be equipped with the broach groove on the anchor clamps body, broach one end is passed broach groove and is fixed with first driving piece, under the drive of first driving piece, the broach moves along broach groove axial, accomplish the broaching of keyway on the work piece, between the cutting tooth on the broach, leave a large amount of iron fillings, compressed air through the nozzle exhaust, carry out the iron fillings clearance on the cutting tooth. This application has improved the work efficiency of operating personnel processing work piece, has promoted the machining precision to the work piece.

Description

Horizontal broaching machine

Technical Field

The application relates to the field of machine tool equipment, in particular to a horizontal broaching machine.

Background

The broaching machine is a device for processing a through hole, a plane and a forming surface of a workpiece by using a broaching tool as a cutter, the horizontal broaching machine is used for processing a hole or a key groove, a plurality of cutting teeth are arranged on the broaching tool, rough machining, semi-finish machining and finish machining can be realized in one stroke, and higher dimensional precision and smaller roughness can be realized by broaching.

At present, when a key groove is broached on a shaft sleeve type workpiece, the workpiece is not moved, and a broach makes linear motion to finish cutting the key groove in the workpiece.

The above prior art solutions have the following drawbacks: because there are a plurality of cutting teeth on the broach, when the keyway in the broaching, can remain a large amount of iron fillings after the processing between the cutting tooth, the back is accomplished to the broaching process, and operating personnel takes out the broach that has deposited a large amount of iron fillings, emptys iron fillings to the waste bin in, and operating personnel not only wastes time and energy but also seriously influences work piece machining efficiency.

SUMMERY OF THE UTILITY MODEL

The work efficiency of the operator for processing the workpiece is improved.

The application provides a horizontal broaching machine adopts following technical scheme:

the utility model provides a horizontal broaching machine, includes lathe bed, broach, is fixed in the anchor clamps body, the drive that support the work piece on the lathe bed the broach is relative the lathe bed is linear motion's first driving piece and is used for cleaing away the cleaning device of iron fillings between the cutting teeth on the broach, cleaning device set up in lathe bed top one side, cleaning device includes the support frame, sets up blast pipe on the support frame and with the atmospheric pressure source of blast pipe intercommunication, the blast pipe is followed broach axis sets up and is equipped with a plurality of nozzle on the blast pipe, the nozzle along the setting of blast pipe axis equipartition and towards cutting teeth on the broach.

Through adopting above-mentioned technical scheme, the broach has been cut the keyway after, has stored a large amount of iron fillings on the cutting teeth on the broach, sweeps compressed air towards the iron fillings on the broach through the nozzle, has reduced the artifical process of empting iron fillings, has improved operating personnel's work efficiency, simultaneously, blows off iron fillings through compressed air, can not cause the pollution to equipment, green.

Optionally, a swing rod assembly for driving the cleaning device to rotate relative to the bed body is arranged on the support frame, the swing rod assembly comprises a rotating rod, a connecting rod and a second driving piece, the connecting rod and the second driving piece are hinged to the rotating rod, a first hinged seat and a second hinged seat are arranged on the support frame, a third hinged seat and a fourth hinged seat are arranged on the bed body, the other end of the rotating rod is hinged to the third hinged seat, the other end of the connecting rod is hinged to the first hinged seat, the second hinged seat is hinged to the fourth hinged seat, and the second driving piece drives the rotating rod to rotate around the axis of the third hinged seat.

Through adopting above-mentioned technical scheme, the pendulum rod subassembly drive support frame can rotate by the lathe bed relatively for the iron fillings on the broach are swept with the circulation swing of the nozzle that the support frame is fixed, make more thorough to the iron fillings clearance of remaining between the cutting tooth, make to improve work piece machining precision.

Optionally, a plurality of mounting holes are formed in the exhaust pipe, guide blocks are arranged on the mounting holes and communicated with the exhaust pipe, threaded holes for mounting the nozzles are formed in the guide blocks, and the nozzles are screwed on the guide blocks.

By adopting the technical scheme, the nozzle is screwed in the guide block, so that the nozzle is convenient to disassemble and assemble.

Optionally, the support frame is provided with a pipe clamp for fixing the exhaust pipe, two ends of the pipe clamp are fixed on the support frame, and a guide hole for the guide block to pass through is formed in the middle of the pipe clamp.

By adopting the technical scheme, the pipe clamp is used for fixing the exhaust pipe on the pipe clamp, the guide hole is formed in the middle of the pipe clamp, and the guide block is guided and positioned, so that the guide block vertically faces to the axis of the broach.

Optionally, the nozzle includes an air injection portion and a threaded connection portion, the air injection portion is a flat nozzle fan shape.

By adopting the technical scheme, the air injection end is of a flat nozzle type, so that air flow can be concentrated, and the noise and the compressed air consumption can be greatly reduced.

Optionally, a valve body for controlling the flow of the compressed air is arranged on the exhaust pipe.

Through adopting above-mentioned technical scheme, the valve body plays the cutting off and the throttle effect of control blast pipe.

Optionally, a waste material groove is formed in one side, far away from the cleaning device, of the lower end of the lathe bed, a waste material opening is formed in the lathe bed, far away from one side of the fixture body, of the waste material groove, and the plane of the waste material groove is inclined downwards along the direction of the waste material opening.

Through adopting above-mentioned technical scheme, the iron fillings after sweeping are concentrated in the waste material groove, and the downward sloping of waste material groove plane to waste material mouthful department, and the iron fillings of being convenient for are discharged from the waste material mouthful, conveniently clear up iron fillings.

Optionally, the lathe bed is kept away from cleaning device one side is equipped with the iron fillings baffle, the iron fillings baffle includes installation department and material blocking portion, the installation department with the lathe bed is connected, material blocking portion with the installation department is the contained angle setting and material blocking portion to the inboard slope of lathe bed.

Through adopting above-mentioned technical scheme, block through the iron fillings baffle that the iron fillings that are swept by the nozzle and run out outside the lathe bed for staff's operation safety can improve.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the procedure of pouring scrap iron by an operator is reduced, and the working efficiency of the operator for processing the workpiece is improved;

2. the effect of iron fillings that have between the cutting teeth on the clearance broach is promoted for the precision to work piece processing keyway improves.

Drawings

Fig. 1 is a first axial schematic view of an embodiment.

FIG. 2 is a second axial schematic view of the embodiment.

Fig. 3 is a top view of the embodiment.

Fig. 4 is an enlarged view X of fig. 3.

Fig. 5 is a schematic view of the structure of the nozzle.

Fig. 6 is an enlarged view M of fig. 1.

Fig. 7 is a sectional view a-a of fig. 3.

Description of reference numerals: 1. a bed body; 101. a third hinge mount; 102. a fourth hinge base; 103. a waste chute; 104. a waste material port; 105. a scrap iron baffle; 106. an installation part; 107. a material blocking part; 108. a first screw; 109. a mandrel; 2. broaching; 201. a groove; 202. cutting teeth; 3. a clamp body; 301. a clamp part; 302. sleeving the workpiece part; 303. a second screw; 304. a broach slot; 4. a hydraulic drive device; 401. a clamping block; 402. a rotating shaft; 403. a stop lever; 404. a spring; 405. a clamping groove; 5. a cleaning device; 501. a support frame; 502. an exhaust pipe; 503. a nozzle; 504. an air injection part; 505. a threaded connection; 506. a drive shaft; 507. a flat bond; 508. a third screw; 509. a second pin, 510, and a third pin; 511. guide block 512, pipe clamp; 513. a guide hole; 514. a valve body; 515. a compressed air pump station; 516. blocking; 517. a first hinge mount; 518. a second hinge mount; 6. a swing rod component; 601. a rotating rod; 602. a connecting rod; 603. a motor; 604. a first pin.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a horizontal broaching machine,

referring to fig. 1 and 2, a horizontal broaching machine includes a machine body 1, a broaching tool 2, a clamp body 3, a first driving member, and a cleaning device 5. Cleaning device 5 installs in lathe bed 1 top, including support frame 501, blast pipe 502 and with the compressed air pumping station 515 of blast pipe 502 intercommunication, blast pipe 502 sets up and fixes on support frame 501 along broach 2 length direction, is equipped with six nozzles 503 on blast pipe 502, and nozzle 503 is along blast pipe 502 axial evenly distributed and nozzle 503 orientation broach 2.

The front end of the lathe bed 1 is fixedly provided with a fixture body 3 for supporting a workpiece, the fixture body 3 is provided with a broach groove 304, one end of the broach 2 penetrates through the broach groove 304 to be fixed with a first driving part, the broach 2 moves along the broach groove 304 in the axial direction under the driving of the first driving part to complete broaching of a key groove on the workpiece, a large amount of scrap iron is left between cutting teeth 202 on the broach 2, and the scrap iron on the cutting teeth 202 is cleaned by compressed air discharged through a nozzle 503.

Specifically, the clamp body 3 comprises a clamp portion 301 and a workpiece portion 302 sleeved on the clamp portion 301, the clamp portion 301 is embedded in the lathe bed 1, the clamp portion 301 and the lathe bed 1 are fixed through a second screw 303, and the workpiece portion 302 sleeved on the clamp portion is used for embedding a workpiece to be machined.

Referring to fig. 3 and 4, two mandrels 109 are fixedly supported at two ends of the bed 1, the first driving member is sleeved on the two mandrels 109 and can slide along the axes of the two mandrels 109, the first driving member is a hydraulic driving device 4, a clamping block 401 is arranged at the front end of the hydraulic driving device 4, a clamping groove 405 for clamping the broach 2 is arranged in the clamping block 401, two rotating shafts 402 are fixedly welded at two ends of the clamping groove 405, a stop lever 403 is hinged to the rotating shafts 402, a spring 404 is arranged on the stop lever 403, one end of the spring 404 is fixed to the stop lever 403, the other end of the spring 404 is fixed to the clamping block 401, a groove 201 is arranged at the front end of the broach 2, when the broach 2 moves into the clamping block 401, the stop lever 403 is pushed to rotate inwards around the rotating shafts 402, and when the groove 201 is in contact with the stop lever 403, the stop lever 403 enters the groove 201 to clamp the broach 2.

Referring to fig. 2 and 5, a plug 516 is arranged at one end of the exhaust pipe 502 and used for sealing the exhaust pipe 502 at one side, the other end of the exhaust pipe 502 is communicated with an air pressure source, the air pressure source is a compressed air pump station 515, a valve body 514 which has the functions of cutting off and throttling the exhaust pipe 502 is arranged on a pipeline where the compressed air pump station 515 is communicated with the exhaust pipe 502, six mounting holes are formed in the exhaust pipe 502, a guide block 511 is welded on each mounting hole, a threaded hole is formed in each guide block 511, the guide block 511 is communicated with the exhaust pipe 502, the nozzle 503 comprises an air injection part 504 and a threaded connection part 505, the air injection part 504 is in a flat nozzle sector shape, the threaded connection part 505 is screwed into each guide block 511 to centralize air flow, and the flat nozzle sector-shaped air injection port of the air injection part 504 is axially parallel to the broach 2, so that the area is larger when the nozzle 503 transversely purges.

The supporting frame 501 is provided with a pipe clamp 512 for fixing the exhaust pipe 502, the exhaust pipe 502 is fixed on the supporting frame 501 at two ends of the pipe clamp 512 through a third screw 508, and the middle part of the pipe clamp 512 is provided with a guide hole 513 for supporting a guide block 511.

Referring to fig. 1 and 6, in order to clean the scrap iron left between the cutting teeth 202 more thoroughly and clean the scrap iron by the cleaning device 5, the cleaning device 5 can swing relative to the bed 1, so that the angle range of the blowing by the nozzle 503 is large and the area of the blowing area is large.

Specifically, the support frame 501 is provided with a swing link assembly 6, the swing link assembly 6 includes a rotating rod 601, a connecting rod 602 and a second driving member, a first pin 604 is provided in the rotating rod 601, and the rotating rod 601 and the connecting rod 602 are hinged through the first pin 604. One side of the support frame 501, which deviates from the exhaust pipe 502, is provided with a first hinge seat 517 and a second hinge seat 518, the first hinge seat 517 is fixed at the upper end of the support frame 501, the second hinge seat 518 is fixed at the lower end of the support frame 501, the first hinge seat 517 is provided with a second pin 509, the first hinge seat 517 is hinged to the other end of the connecting rod 602 through the second pin 509, the upper surface of one side of the machine body 1 is provided with a third hinge seat 101, the inner side of the machine body 1 is provided with a fourth hinge seat 102, the second hinge seat 518 is provided with a third pin 510, the third hinge seat 101 is connected with the fourth hinge seat 102 through the third pin 510, the third hinge seat 101 is provided with a transmission shaft 506, the rotating rod 601 is sleeved in the transmission shaft 506 in an interference fit manner, the second driving part drives the transmission shaft 506 to drive the rotating rod 601 to rotate in the whole circumference, the second driving part is a motor 603, the transmission shaft 506 is connected with the motor 603 through a flat key 507, and a shell of the motor 603 is fixed with the machine body 1.

Referring to fig. 2, an iron scrap baffle 105 is arranged on the outer wall of the side, away from the cleaning device 5, of the machine body 1, the iron scrap baffle 105 comprises an installation portion 106 and a material blocking portion 107, the installation portion 106 is connected with the outer wall of the machine body 1 through a first screw 108, the material blocking portion 107 and the installation portion 106 are arranged at an included angle, the material blocking portion 107 inclines towards the inner side of the machine body 1, and therefore the iron scrap is swept by the blocking nozzle 503 and splashes outside the machine body 1.

Referring to fig. 3 and 7, a scrap groove 103 is arranged on one side, close to the scrap iron baffle 105, of the lower end in the lathe bed 1, the scrap iron after purging flows into the scrap groove 103, a scrap opening 104 is arranged at the lower end, far away from the clamp body 3, of the lathe bed 1, the plane of the scrap groove 103 is obliquely arranged along the direction of the scrap opening 104, the scrap iron can move towards the scrap opening 104 conveniently, and the scrap iron can be discharged.

The application of the horizontal broaching machine is implemented according to the principle that: five steps are needed when a key slot is cut on a workpiece, and in the first step, the workpiece to be machined is sleeved on the periphery of the workpiece sleeving part 302; secondly, one end of the broach 2 penetrates into the broach slot 304 and is fixed with a clamping block 401 on the hydraulic driving device 4; thirdly, starting the motor 603 to drive the rotating rod 601 to rotate for the whole circle, driving the supporting plate to swing relative to the axis of the fourth hinge seat 102, starting the valve body 514, and filling compressed air into the exhaust pipe 502; the fourth step, drive hydraulic drive device 4, drive broach 2 and remove in to lathe bed 1, remove the in-process in broach 2 broaching work piece keyway removes in to lathe bed 1, nozzle 503 on blast pipe 502 sweeps along with support frame 501's swing to the iron fillings between the cutting teeth 202, make iron fillings clearance on the broach 2 more thorough, the fifth step, the iron fillings are under blowing of nozzle 503 on broach 2, be detained in waste chute 103, be the slope setting along waste material mouth 104 because of waste chute 103, it is convenient to be discharged and clear up from waste material mouth 104 for iron fillings, the process that operating personnel emptys iron fillings has been reduced, the work efficiency of operating personnel processing work piece has been improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A horizontal broaching machine is characterized in that: including lathe bed (1), broach (2), be fixed in the anchor clamps body (3), the drive of support work piece on lathe bed (1) broach (2) are relative lathe bed (1) is linear motion's first driving piece and is used for cleaing away cleaning device (5) of iron fillings between last cutting tooth (202) of broach (2), cleaning device (5) set up in lathe bed (1) top one side, cleaning device (5) include support frame (501), set up and are in blast pipe (502) on support frame (501) and with the atmospheric pressure source of blast pipe (502) intercommunication, blast pipe (502) are followed broach (2) axis setting and blast pipe are equipped with a plurality of nozzle (503), nozzle (503) are along blast pipe (502) axis equipartition setting and towards cutting tooth (202) on broach (2).

2. The horizontal broaching machine according to claim 1, wherein: it is relative to be equipped with drive cleaning device (5) on support frame (501) lathe bed (1) pivoted pendulum rod subassembly (6), pendulum rod subassembly (6) include bull stick (601) and articulate in connecting rod (602) and the second driving piece of bull stick (601), be equipped with first articulated seat (517) and the articulated seat of second (518) on support frame (501), be equipped with third articulated seat (101) and fourth articulated seat (102) on lathe bed (1), bull stick (601) other end with third articulated seat (101) are articulated, connecting rod (602) other end with first articulated seat (517) are articulated, the articulated seat of second (518) is articulated with fourth articulated seat (102), the drive of second driving piece bull stick (601) is rotatory around third articulated seat (101) axis.

3. The horizontal broaching machine according to claim 1, wherein: the exhaust pipe (502) is provided with a plurality of mounting holes, the mounting holes are provided with guide blocks (511), the guide blocks (511) are communicated with the exhaust pipe (502), threaded holes for mounting the nozzles (503) are formed in the guide blocks (511), and the nozzles (503) are screwed on the guide blocks (511).

4. A horizontal broaching machine as defined in claim 3 in which: the supporting frame (501) is provided with a pipe clamp (512) for fixing the exhaust pipe (502), two ends of the pipe clamp (512) are fixed on the supporting frame (501), and a guide hole (513) for the guide block (511) to pass through is formed in the middle of the pipe clamp (512).

5. A horizontal broaching machine as defined in claim 3 in which: the nozzle (503) comprises an air injection part (504) and a threaded connection part (505), and the air injection part (504) is in a flat nozzle fan shape.

6. The horizontal broaching machine according to claim 1, wherein: and a valve body (514) for controlling the flow of the compressed air is arranged on the exhaust pipe (502).

7. The horizontal broaching machine according to claim 1, wherein: the clamp is characterized in that a waste trough (103) is arranged on one side, away from the cleaning device (5), of the lower end of the lathe bed (1), the waste trough (103) is arranged on one side, away from the clamp body, of the lathe bed (1), a waste opening (104) is formed in the waste trough (103), and the plane of the waste trough (103) is arranged in a mode that the waste opening (104) is inclined downwards.

8. The horizontal broaching machine according to claim 1, wherein: lathe bed (1) is kept away from cleaning device (5) one side is equipped with iron fillings baffle (105), iron fillings baffle (105) are including installation department (106) and material stopping portion (107), installation department (106) with lathe bed (1) is connected, material stopping portion (107) with installation department (106) are contained angle setting and material stopping portion (107) to lathe bed (1) inboard slope.