阅读说明：本技术 一种拉床 (Broaching machine ) 是由 蒋联洪 傅昌亮 于 2020-06-22 设计创作，主要内容包括：本发明提供了一种拉床,尤其涉及拉床设备领域,包括床身和设于该床身上的活塞拉杆,该活塞拉杆固定连接有夹持拉刀的随动刀架,该随动刀架前端还设有清洁舱,该清洁舱两端设有供拉刀穿过的进刀孔和出刀孔,该清洁舱的该进刀孔一端面设有夹具固定销,该清洁舱内部依次设有环刷装置、喷水装置和喷气装置；清洁舱对工作完成的拉刀进行深度清洁,使拉刀上的杂质和铁屑清除干净,节省人工清除的人力物力,亦提高了生产效率和产品质量。(The invention provides a broaching machine, in particular to the field of broaching machine equipment, which comprises a machine body and a piston pull rod arranged on the machine body, wherein the piston pull rod is fixedly connected with a follow-up tool rest for clamping a broaching tool; the cleaning cabin is used for deeply cleaning the broach after the operation is finished, so that impurities and scrap iron on the broach are completely removed, manpower and material resources for manual removal are saved, and the production efficiency and the product quality are also improved.)

1. The utility model provides a broaching machine, includes lathe bed (1) and locates piston pull rod (2) on lathe bed (1), follow-up knife rest (21) of piston pull rod (2) fixedly connected with centre gripping broach (4), its characterized in that:

follow-up knife rest (21) front end still is equipped with clean cabin (5), clean cabin (5) both ends are equipped with into sword hole (51) and play sword hole (52) that supply broach (4) to pass, clean cabin (5) inside is equipped with ring brush device (6), water jet equipment (7) and air jet system (8) in proper order:

the annular brush device (6) comprises a first support (61) and a second support (62) which are fixedly arranged inside the cleaning cabin (5), a rotatable annular brush (63) is arranged on the first support (61), a motor (64) is arranged on the second support (62), the annular brush (63) comprises an annular cylindrical brush body (631) and a brush (632) which is arranged on the inner side of the brush body (631) in a surrounding mode, and the output end of the motor (64) is in transmission with the brush body (631) in a belt connection mode;

the water spraying device (7) comprises an input water pipe (71) fixedly arranged on the side wall of the cleaning cabin (5) and an annular water pipe (72) communicated with the input water pipe (71), and a plurality of inward water spraying heads (73) are communicated and arranged on the inner side of the annular water pipe (72);

the air injection device (8) comprises an input air pipe (81) fixedly arranged on the side wall of the cleaning cabin (5) and an annular air pipe (82) communicated with the input air pipe (81), and a plurality of inward air injection heads (83) are communicated with the inner side of the annular air pipe (82).

2. A bench as defined in claim 1, wherein: and a water electromagnetic valve (74) is arranged on the input water pipe (71).

3. A bench as defined in claim 1, wherein: an air electromagnetic valve (84) is arranged on the input air pipe (81).

4. A bench as defined in claim 1, wherein: the water outlet direction of the water spray head (73) and the axis of the broach (4) form a certain included angle, and the brush body (631) is positioned in front of the side of the water outlet direction of the water spray head (73).

5. A bench as defined in claim 1, wherein: the air injection direction of the air injection head (83) and the axis of the broach (4) form a certain included angle, and the water injection head (73) is positioned in front of the air injection direction of the air injection head (83).

Technical Field

The invention relates to the field of broaching machine equipment, in particular to a broaching machine.

Background

The broaching machine is a machine tool for processing through holes, planes and formed surfaces of workpieces by using a broaching tool as a cutter. The broaching can obtain higher dimensional accuracy and smaller surface roughness, has high productivity and is suitable for mass production. Most broaching machines use a hydraulic system arranged on a machine tool as power equipment, clamp a broaching tool by a clamp, and then carry out broaching tool broaching work on a workpiece fixed on a machine tool body.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a broaching machine, which solves the problems that scrap iron is mixed in cutting teeth and impurities are not easy to remove in the machining process of the broaching machine in the prior art.

According to the embodiment of the invention, the broaching machine comprises a machine body and a piston pull rod arranged on the machine body, wherein the piston pull rod is fixedly connected with a follow-up tool rest for clamping a broaching tool, the front end of the follow-up tool rest is also provided with a cleaning cabin, two ends of the cleaning cabin are provided with a tool inlet hole and a tool outlet hole for the broaching tool to pass through, and a ring brush device, a water spraying device and an air spraying device are sequentially arranged in the cleaning cabin: the annular brush device comprises a first support and a second support which are fixedly arranged in the cleaning cabin, an annular brush is arranged on the first support, a motor is arranged on the second support, the annular brush comprises a brush body in a circular cylinder shape and a brush arranged on the inner side of the brush body in a surrounding mode, and the output end of the motor is in transmission with the brush body in a belt connection mode; the water spraying device comprises an input water pipe fixedly arranged on the side wall of the cleaning cabin and an annular water pipe communicated with the input water pipe, and a plurality of inward water spraying heads are communicated and arranged on the inner side of the annular water pipe; the air injection device comprises an input air pipe fixedly arranged on the side wall of the cleaning cabin and an annular air pipe communicated with the input air pipe, and a plurality of inward air injection heads are communicated and arranged on the inner side of the annular air pipe.

Compared with the prior art, the invention has the following beneficial effects: after broach processing work accomplished, through clean cabin, clean cabin carries out the degree of depth cleanness of cutting teeth to the broach, granule impurity and iron fillings on the broach are brushed away through ring brush device, shovel out and sink into impurity and iron fillings in the cutting teeth deep, clean the broach through water jet equipment, and wash away remaining slight impurity on the broach surface, wash away the moisture of broach through air jet system at last, guarantee the drying of broach and prevent that the broach from rustting, through the brush, the tertiary cleanness of sprinkler bead and jet 83, make impurity and iron fillings on the broach clear away totally, save artifical manpower and materials, production efficiency and product quality have also been improved.

Drawings

FIG. 1 is a three-dimensional view of the broaching machine of the present invention;

FIG. 2 is a top view of a cleaning pod according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

FIG. 5 is a cross-sectional view C-C of FIG. 2;

in the above drawings: 1. a bed body; 2. a piston rod; 21. a follow-up tool rest; 3. a workpiece; 4. broaching; 41. cutting teeth; 5. cleaning the cabin; 51. a cutter feeding hole; 52. a cutter outlet hole is formed; 53. a clamp pin; 6. a ring brush device; 61. a first bracket; 62. a second bracket; 63. an annular brush; 631. a brush body; 632. a brush; 64. a motor; 7. a water spraying device; 71. an input water pipe; 72. an annular water pipe; 73. a sprinkler head; 74. a water solenoid valve; 8. an air injection device; 81. inputting the air pipe; 82. an annular air pipe; 83. a gas showerhead; 84. a gas solenoid valve.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, an embodiment of the present invention provides a broaching machine, including a machine body 1 and a piston rod 2 arranged on the machine body 1, where the piston rod 2 is fixedly connected to a follow-up tool rest 21 for clamping a broaching tool 4, the front end of the follow-up tool rest 21 is further provided with a cleaning cabin 5, the upper and lower ends of the cleaning cabin 5 are all opened, the top is opened for conveniently maintaining the cleaning cabin 5 and installing other devices, and the bottom is opened for conveniently flowing out impurities and scrap irons cleaned; a cutter feeding hole 51 and a cutter discharging hole 52 for the broach 4 to pass through are arranged at two ends of the cleaning cabin 5, and the diameters of the cutter feeding hole 51 and the cutter discharging hole 52 are both larger than the maximum diameter of the broach 4, so that the interference of the broach 4 is prevented from colliding; one end face of the cutting feed hole 51 of the cleaning cabin 5 is provided with a clamp pin 53, the clamp pin 53 is used for installing clamps of different workpieces 3, and a ring brush device 6, a water spraying device 7 and an air spraying device 8 are sequentially arranged inside the cleaning cabin 5:

the annular brush device 6 comprises a first support 61, a second support 62 and an annular brush 63 which are fixedly arranged in the cleaning cabin 5, the annular brush 63 is rotatably arranged on the first support 61, referring to fig. 2, the first support 61 is provided with a mounting hole, a bearing is arranged in the mounting hole, the outer wall of the annular brush 63 is matched with an inner ring of the bearing, an outer ring of the bearing is matched with the first support 61, the axis of the annular brush 63 is coincident with the axis of the broach 4 during working, the second support 62 is provided with a motor 64, the output end of the motor 64 is in transmission with the brush body 631 in a belt connection mode, and the annular brush 63 comprises a circular-cylinder-shaped brush body 631 and a brush 632 which is arranged around the inner side of the brush body 631;

the water spraying device 7 comprises an input water pipe 71 fixedly arranged on the side wall of the cleaning cabin 5 and an annular water pipe 72 communicated with the input water pipe 71, and a plurality of inward water spraying heads 73 are communicated and arranged on the inner side of the annular water pipe 72; the input water pipe 71 is connected with a high-pressure water pump; further, a water solenoid valve 74 is provided on the input water pipe 71 to facilitate the switching of the water spray device 7, and the water spray head 73 is optimally disposed to be biased toward the brush body 631; the water spraying head 73 and the radial surface of the annular water pipe 72 form a certain included angle, preferably 45 degrees, when the water spraying head 73 sprays water, water flow can directly impact the root parts of the cutting teeth 41 of the broach 4, and impurities and scrap iron at the root parts of the cutting teeth 41 can be removed;

similarly, the air injection device 8 comprises an input air pipe 81 fixedly arranged on the side wall of the cleaning cabin 5 and an annular air pipe 82 communicated with the input air pipe 81, and a plurality of inward air injection heads 83 are communicated and arranged on the inner side of the annular air pipe 82; the input air pipe 81 is connected with the high-pressure air pipe, and further, an air electromagnetic valve 84 is arranged on the input air pipe 81, so that the air injection device 8 can be conveniently switched on and switched off; optimally, the showerhead 83 is offset from the annular water tube 72; the air jet head 83 forms a certain included angle, preferably 45 degrees with the radial direction of the annular air pipe 82, when the air jet head 83 jets air, the air flow can directly impact the root parts of the cutting teeth 41 of the broach 4, the water at each corner on the broach 4 can be flushed away, and the broach 4 is kept dry.

Broach 4 is after the processing work to work piece 3 is accomplished, again in proper order through clean cabin 5, clean cabin 5 carries out the degree of depth cleanness of cutting tooth 41 to broach 4, brush through ring brush device 6 and remove granule impurity and iron fillings on broach 4, shovel out and sink into impurity and iron fillings of the deep portion of cutting tooth 41, clean broach 4 through water jet equipment 7, and wash away remaining slight impurity on broach 4 surface, wash away the moisture of broach 4 through air jet equipment 8 at last, guarantee broach 4's drying and prevent broach 4 and rust, through brush 632, sprinkler bead 73 and air jet 83's tertiary cleanness, make impurity and iron fillings on broach 4 clear away totally, save the manpower and materials of artifical clearance, production efficiency and product quality have also been improved.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.