CN111112736B

CN111112736B - Horizontal internal broaching machine for chain wheel production

Info

Publication number: CN111112736B
Application number: CN201911264598.4A
Authority: CN
Inventors: 刘长荣; 欧征林
Original assignee: Chongqing Yongyuan Intellectual Property Operation Co ltd
Current assignee: Chongqing Qijian Auto Parts Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2021-04-27
Anticipated expiration: 2039-12-11
Also published as: CN111112736A

Abstract

The invention discloses a horizontal internal broaching machine for producing chain wheels, which comprises a broaching machine main body, wherein a control panel is arranged on the side wall of the broaching machine main body, a first servo motor is arranged on one side of the top end of the broaching machine main body, an output shaft clutch mechanism is arranged on an output shaft of the first servo motor, a ball screw pair is arranged at one end, far away from the first servo motor, of the output shaft clutch mechanism, a sliding rail is arranged at the bottom end of the ball screw pair, a first sliding block is arranged on the sliding rail and connected with the ball screw pair, a tool holder is arranged at one end, far away from the output shaft clutch mechanism, of the ball screw pair, a broaching tool is arranged at one end, far away from the ball screw pair, a chain wheel clamp is arranged at the top end of the broaching machine main body, a scrap treatment device is arranged at one side, close to the chain wheel clamp, an automatic, A coolant line. Has the advantages that: the invention has the advantages of saving the electric power used by the servo motor and effectively recovering the processing scraps.

Description

Horizontal internal broaching machine for chain wheel production

Technical Field

The invention relates to the technical field of broaching machines, in particular to a horizontal inner broaching machine for producing chain wheels.

Background

The broaching machine is mainly used for processing inner circular holes, forming holes, inner spline grooves, polygonal inner holes, semicircular holes, inner teeth and the like. The horizontal internal broaching machine for producing the chain wheel is used for processing the key groove of the chain wheel.

For example, chinese patent No. CN102814546B discloses a fully automatic horizontal broaching machine, which uses a hydraulic device to drive a broaching tool for machining, but after a hydraulic system works for a long time, the temperature of oil rises to cause unstable broaching, and oil is also an environmental pollution source. For example, chinese patent No. CN101733674B discloses a horizontal internal broaching machine transmission device, which uses a servo motor as a power source, and after a part is machined, the servo motor needs to be stopped to process fragments generated after the part is machined, but frequent start and stop of the servo motor can cause a lot of power waste. And the existing horizontal broaching machine is not provided with a device for treating the scraps generated after processing, so that the processing environment is dirty, the mood of processing personnel is influenced, personnel loss is easy to cause, the processing stability of products is influenced, and the scraps cannot be collected systematically to be recycled, thereby causing waste.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a horizontal internal broaching machine for producing chain wheels, which has the advantages of saving the electric power used by a servo motor and effectively recovering processing scraps, and further solves the problems that a large amount of electric power is wasted, the processing environment is dirty, personnel is lost and the processing scraps cannot be collected systematically for recycling when the servo motor is started and stopped frequently.

(II) technical scheme

In order to realize the advantages of saving the electric power used by the servo motor and effectively recovering the processing scraps, the invention adopts the following specific technical scheme:

a horizontal internal broaching machine for producing chain wheels comprises a broaching machine main body, wherein a control panel is arranged on the side wall of the broaching machine main body, a first servo motor is arranged on one side of the top end of the broaching machine main body, an output shaft clutch mechanism is arranged on an output shaft of the first servo motor, a ball screw pair is arranged at one end, far away from the first servo motor, of the output shaft clutch mechanism, a sliding rail is arranged at the bottom end of the ball screw pair, a first sliding block is arranged on the sliding rail and connected with the ball screw pair, a tool holder is arranged at one end, far away from the output shaft clutch mechanism, of the ball screw pair, a broaching tool is arranged at one end, far away from the ball screw pair, of the top end of the broaching machine main body is provided with a chain wheel clamp, and one side, close to the chain wheel clamp, of the broaching machine main, one side of the chip treatment device is provided with a chain wheel automatic taking and placing device, the top end of the broaching machine main body is provided with an air gun, one end of the air gun is provided with a lamp, and one side of the lamp is provided with a cooling liquid pipeline.

Furthermore, in order to process the scraps generated after the chain wheel machining, the first servo motor does not need to be started or stopped, the problem that a large amount of electric power is wasted due to frequent starting and stopping of the motor is avoided, and economic loss is reduced.

Furthermore, in order to process the scraps generated after the chain wheel is machined, the first servo motor does not need to be started or stopped, the problem that a large amount of electric power is wasted due to frequent starting and stopping of the first motor is avoided, the economic loss is reduced, a connecting shaft is arranged at one end, far away from the second slider, of the third slider, the connecting shaft is connected with one end of a Y-shaped connecting rod, the middle end of the Y-shaped connecting rod is connected with a supporting rod, a supporting block is arranged at the bottom end of the supporting rod, a handle is arranged at one end, far away from the third slider, of the Y-shaped connecting rod, and a telescopic rod is arranged on one side.

Furthermore, in order to prevent the sliding of the third sliding block from causing the abnormal operation of the equipment when the output shaft clutch mechanism is connected with the first servo motor, a shaft shoulder is arranged at one end, away from the connecting block, of the round shaft, and a first spring is arranged between the third sliding block and the shaft shoulder.

Furthermore, in order to increase the friction force between the circular groove and the circular arc surface and further to enable the output shaft clutch mechanism to be more stable in operation, and further to increase the operation stability of the equipment, the groove edge of the circular groove and the circular arc surface are respectively provided with a thread groove.

Further, in order to collect the processing with the piece that produces after the processing, and then make the processing environment clean and tidy, be favorable to improving staff's work enthusiasm, and then improve product processing stability, and the recovery piece that can be systematic brings economic income, piece processing apparatus is including setting up the pipeline of sprocket clamp bottom, the bottom of pipeline is provided with the storage tank, the middle-end and the vibrator's of pipeline top are connected.

Further, in order to shake the fragments in the pipeline, and then avoid the fragments to block up the pipeline, cause unable normal use of equipment, vibrator includes the base block, the top of base block is provided with servo motor two, be provided with connecting rod two on servo motor two's the output shaft, connecting rod two is connected with connecting rod three, connecting rod three is connected with the square plate, one side at the skew center of square plate be provided with pipeline matched with round hole, the both ends of square plate all are provided with connecting seat one respectively, connecting seat one is connected with the square, be provided with spout two in the square, be provided with slider four in the spout two, slider four is close to the one end of square plate is provided with connecting rod four, just connecting rod four runs through the square with the square plate is connected.

Furthermore, in order to avoid the excessive vibration of the vibration device and the damage of the equipment when vibrating the pipeline, a second spring is arranged in the second sliding groove and on the round shaft of the fourth connecting rod.

Furthermore, in order to automatically take and place the chain wheel, so that the labor intensity of workers is reduced, the chain wheel automatically-taking and placing device can automatically operate, the operation efficiency of equipment can be increased, the chain wheel automatically-taking and placing device comprises a support, a second connecting seat is arranged at the top end of the support, an air cylinder is arranged on the second connecting seat, a vertical plate is arranged at the top end of the support, a connecting plate is arranged on the vertical plate, an L-shaped sliding groove is formed in the surface of the connecting plate, a fifth sliding block is arranged in the L-shaped sliding groove and connected with the sliding plate, the sliding plate is connected with the air cylinder, and a pneumatic clamping jaw is arranged at one end.

Furthermore, in order to enable the sliding block five to smoothly slide in the L-shaped sliding groove, an arc groove is formed in the right angle of the L-shaped sliding groove.

(III) advantageous effects

Compared with the prior art, the invention provides a horizontal internal broaching machine for producing chain wheels, which has the following beneficial effects:

(1) according to the invention, the output shaft clutch mechanism is arranged, so that when the scraps generated after the chain wheel is machined are treated, the first servo motor does not need to be started or stopped, further, the phenomenon that a large amount of electric power is wasted due to frequent starting and stopping of the first servo motor is avoided, and further, the economic loss is reduced. The groove edge and the arc surface of the circular groove are respectively provided with the thread groove, so that the friction force between the circular groove and the arc surface is increased, the operation of the output shaft clutch mechanism is more stable, and the operation stability of the equipment is increased.

(2) The utility model discloses a processing environment, including the processing environment, the processing environment is clean and tidy, through setting up piece processing apparatus to the piece that will produce after processing is collected the processing, and then is favorable to improving staff's work enthusiasm, and then improves product processing stability, and the recovery piece that can be systematic brings economic income. Through setting up vibrator to shake the piece in the pipeline and get off, and then avoid the piece to block up the pipeline and cause the unable normal use of equipment.

(3) The automatic chain wheel taking and placing device is arranged, so that the chain wheel can be automatically taken and placed, the labor intensity of workers is reduced, and meanwhile, the automatic chain wheel taking and placing device can automatically operate and increase the operation efficiency of equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a horizontal internal broaching machine for producing a sprocket according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an output shaft clutch mechanism of a horizontal internal broaching machine for producing chain wheels according to an embodiment of the invention;

FIG. 3 is a schematic structural view of a connecting block of a horizontal internal broaching machine for producing a sprocket according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a vibrating device of a horizontal internal broaching machine for producing a sprocket according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an automatic sprocket taking and placing device of a horizontal internal broaching machine for sprocket production according to an embodiment of the invention.

In the figure:

1. a broaching machine main body; 2. a control panel; 3. a first servo motor; 4. an output shaft clutch mechanism; 401. a disc; 402. a circular groove; 403. connecting blocks; 404. a first sliding chute; 405. a second sliding block; 406. a circular arc surface; 407. A third sliding block; 408. a first connecting rod; 409. a connecting shaft; 410. a Y-shaped connecting rod; 411. a support bar; 412. A support block; 413. a handle; 414. a telescopic rod; 415. a shaft shoulder; 416. a first spring; 417. a circular shaft; 5. a ball screw pair; 6. a slide rail; 7. a first sliding block; 8. a tool holder; 9. broaching; 10. a sprocket clamp; 11. a debris handling device; 1101. a pipeline; 1102. a storage tank; 1103. a vibration device; 1104. A base block; 1105. a servo motor II; 1106. a second connecting rod; 1107. a third connecting rod; 1108. a square plate; 1109. a circular hole; 1110. a first connecting seat; 1111. a square block; 1112. a second chute; 1113. a fourth sliding block; 1114. a connecting rod IV; 1115. a second spring; 12. the sprocket automatic picking and placing device; 1201. a support; 1202. A second connecting seat; 1203. a cylinder; 1204. a connecting plate; 1205. an L-shaped chute; 1206. a fifth sliding block; 1207. a slide plate; 1208. a pneumatic clamping jaw; 1209. an arc groove; 1210. a vertical plate; 13. an air gun; 14. A light fixture; 15. a coolant line.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the invention, a horizontal internal broaching machine for producing chain wheels is provided.

Referring to the drawings and the detailed description, as shown in fig. 1-5, the horizontal internal broaching machine for producing the sprocket according to the embodiment of the invention comprises a broaching machine main body 1, a control panel 2 is arranged on the side wall of the broaching machine main body 1, a first servo motor 3 is arranged on one side of the top end of the broaching machine main body 1, an output shaft clutch mechanism 4 is arranged on the output shaft of the first servo motor 3, a ball screw pair 5 is arranged at one end of the output shaft clutch mechanism 4 far away from the first servo motor 3, a slide rail 6 is arranged at the bottom end of the ball screw pair 5, a first slide block 7 is arranged on the slide rail 6, the first slide block 7 is connected with the ball screw pair 5, a tool holder 8 is arranged at one end of the ball screw pair 5 far away from the output shaft clutch mechanism 4, and a broaching tool 9 is arranged at one end of the tool holder 8 far away from the, the top of broaching machine main part 1 just is keeping away from servo motor one 3's one end is provided with sprocket anchor clamps 10, broaching machine main part 1 is close to one side of sprocket anchor clamps 10 is provided with piece processing apparatus 11, one side of piece processing apparatus 11 is provided with the automatic device 12 of putting of getting of sprocket, the top of broaching machine main part 1 is provided with air gun 13, the one end of air gun 13 is provided with lamps and lanterns 14, one side of lamps and lanterns 14 is provided with coolant liquid pipeline 15.

In one embodiment, for the output shaft clutch mechanism 4, the output shaft clutch mechanism 4 includes a disc 401 disposed on the output shaft of the first servomotor 3, one end of the disc 401 away from the first servomotor 3 is provided with a circular groove 402, a connection block 403 is disposed inside the circular groove 402, two ends of the connection block 403 are provided with first sliding grooves 404, the first sliding grooves 404 are respectively provided with a second sliding block 405, one side of the second sliding block 405 close to the groove edge of the circular groove 402 is provided with a circular arc surface 406 matching with the circular groove 402, one side of the connection block 403 close to the outer side of the circular groove 402 is provided with a circular shaft 417, the circular shaft 417 is provided with a third sliding block 407, one end of the third sliding block 407 close to the disc 401 is connected with the second sliding block 405 through a first connecting rod 408, so that when processing chips generated after chain wheel processing, the first servo motor 3 does not need to be started or stopped, so that the problem that a large amount of electric power is wasted due to frequent starting and stopping of the motor is avoided, and economic loss is reduced.

In an embodiment, for the third slider 407, a connecting shaft 409 is arranged at one end of the third slider 407, which is far away from the second slider 405, the connecting shaft 409 is connected with one end of the Y-shaped connecting rod 410, the middle end of the Y-shaped connecting rod 410 is connected with the supporting rod 411, a supporting block 412 is arranged at the bottom end of the supporting rod 411, a handle 413 is arranged at one end of the Y-shaped connecting rod 410, which is far away from the third slider 407, and an expansion link 414 is arranged at one side of the handle 413 and at the top end of the supporting block 412, so that when debris generated after chain wheel machining is treated, a first start-stop servo motor 3 is not needed, a large amount of electric power waste caused by frequent start-stop of the motor is avoided, and economic loss.

In one embodiment, for the circular shaft 417, a shoulder 415 is arranged at one end of the circular shaft 417 far away from the connecting block 403, and a spring one 416 is arranged between the sliding block three 407 and the shoulder 415, so that when the output shaft clutch mechanism 4 is connected with the servo motor one 3, the sliding block three 407 is prevented from sliding to cause the abnormal operation of the equipment.

In an embodiment, for the circular groove 402, the groove edge of the circular groove 402 and the circular arc surface 406 are respectively provided with a thread groove, so that the friction force between the circular groove 402 and the circular arc surface 406 is increased, the operation of the output shaft clutch mechanism 4 is more stable, and the operation stability of the device is further increased.

In an embodiment, for the above-mentioned debris processing device 11, the debris processing device 11 includes a pipe 1101 arranged at the bottom end of the sprocket clamp 10, the bottom end of the pipe 1101 is provided with a storage box 1102, the middle end of the pipe 1101 is connected with the top end of the vibrating device 1103, so that the debris generated after processing is collected and processed, and further the processing environment is clean and tidy, which is beneficial to improving the working enthusiasm of workers, and further the processing stability of the product is improved, and the debris can be systematically recovered, thereby bringing economic benefits.

In one embodiment, for the vibrating device 1103, the vibrating device 1103 includes a base 1104, a second servomotor 1105 is disposed at a top end of the base 1104, a second connecting rod 1106 is disposed on an output shaft of the second servomotor 1105, the second connecting rod 1106 is connected to a third connecting rod 1107, the third connecting rod 1107 is connected to a square plate 1108, a circular hole 1109 matched with the pipeline 1101 is disposed on one side of the square plate 1108, which is offset from the center, a first connecting seat 1110 is disposed at both ends of the square plate 1108, the first connecting seat 1110 is connected to a block 1111, a second sliding groove 1112 is disposed in the block 1111, a fourth sliding block 1113 is disposed in the second sliding groove 1112, a fourth connecting rod 1114 is disposed at one end of the fourth sliding block 1113 close to the square plate 1108, and the fourth connecting rod 1114 penetrates through the block 1111 to be connected to the square plate 1108, so as to vibrate the debris in the pipeline 1101, thereby preventing the debris from blocking the pipeline 1101, causing the equipment to be unable to be used normally.

In one embodiment, for the second sliding groove 1112, a second spring 1115 is arranged in the second sliding groove 1112 and on a circular shaft of the fourth connecting rod 1114, so that when the pipeline 1101 is vibrated, the vibrating device 1103 is prevented from vibrating excessively, and the equipment is prevented from being damaged.

In an embodiment, for the above sprocket automatic picking and placing device 12, the sprocket automatic picking and placing device 12 includes a support 1201, a second connecting seat 1202 is disposed at a top end of the support 1201, an air cylinder 1203 is disposed on the second connecting seat 1202, an upright plate 1210 is disposed at a top end of the support 1201, a connecting plate 1204 is disposed on the upright plate 1210, an L-shaped chute 1205 is disposed on a surface of the connecting plate 1204, a fifth slider 1206 is disposed in the L-shaped chute 1205, the fifth slider 1206 is connected to the sliding plate 1207, the sliding plate 1207 is connected to the air cylinder 1203, and a pneumatic clamping jaw 1208 is disposed at one end of the sliding plate 1207 close to the sprocket clamp 10, so that a sprocket can be picked and placed automatically, labor intensity of workers is reduced, and meanwhile, operation is automated, and operation efficiency of equipment can be increased.

In one embodiment, for the L-shaped sliding slot 1205, a circular arc slot 1209 is formed at a right angle of the L-shaped sliding slot 1205, so that the sliding block five 1206 slides smoothly in the L-shaped sliding slot 1205.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the first servo motor 3 is started through the control panel 2, the first servo motor 3 drives the output shaft clutch mechanism 4 and the ball screw pair 5 to rotate, and the first sliding block 7 drives the tool holder 8 and the broach 9 to linearly move to cut the chain wheel under the matching of the sliding rail 6. After the cutting is accomplished, the sprocket is got to pneumatic clamping jaw 1208 clamp, and the output shaft of cylinder 1203 is retrieved, and the sprocket slides in L type spout 1205 under the drive of slider five 1206 and slide 1207, behind the quarter turn of L type spout 1205, the sprocket is down, and pneumatic clamping jaw 1208 loosens the sprocket, and the sprocket is placed on the top of support 1201 to press from both sides and get unprocessed sprocket, through the above-mentioned opposite action back of operation, place sprocket in sprocket anchor clamps 10 department.

When the scraps generated after machining are treated each time, the third sliding block 407 slides outwards the circular groove 402 and slides towards the center of the circular groove 402 by pushing the handle 413, at the moment, the disc 401 rotates, but the connecting block 403, the circular shaft 417 and the ball screw pair do not rotate, so that the operation of treating the scraps cannot be influenced by the broach 9, when the chain wheel needs to be continuously cut, the action handle 413 is pushed back to the original position, and after the operation is reversed, the telescopic rod 414 extends out to block the handle 413. The debris is blown into the pipeline 1101 by the air gun 13 and finally enters the storage tank 1102, when the debris is full of the pipeline 1101, the servo motor II 1105 is started, the square plate 1108 swings within a certain range through the connecting rod II 1106 and the connecting rod III 1107 under the limitation of the sliding block IV 1113 and the spring II 1115, the pipeline 1101 is vibrated through the circular hole 1109, and the debris is vibrated and falls into the storage tank 1102.

In conclusion, by means of the technical scheme, the output shaft clutch mechanism 4 is arranged, so that the servo motor I3 does not need to be started or stopped when the scraps generated after the chain wheel is machined are treated, further, the phenomenon that the motor is frequently started or stopped to cause a large amount of power waste is avoided, and further, the economic loss is reduced. The groove edge and the arc surface 406 through the circular groove 402 are respectively provided with a thread groove, so that the friction force between the circular groove 402 and the arc surface 406 is increased, the operation of the output shaft clutch mechanism 4 is more stable, and the operation stability of the equipment is increased. Through setting up piece processing apparatus 11 to the piece that will process the back production is collected and is handled, and then makes the processing environment clean and tidy, is favorable to improving staff's work enthusiasm, and then improves product processing stability, and the recovery piece that can be systematic brings economic income. Through setting up vibrator 1103 to shake the piece in the pipeline 1101 down, and then avoid the piece to block up pipeline 1101, cause the unable normal use of equipment. Through setting up the automatic device 12 of getting of sprocket to can be automatic get the sprocket and put, and then reduce staff's intensity of labour, the operation of while automation can increase the operating efficiency of equipment.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A horizontal internal broaching machine for producing chain wheels is characterized by comprising a broaching machine main body (1), wherein a control panel (2) is arranged on the side wall of the broaching machine main body (1), a first servo motor (3) is arranged on one side of the top end of the broaching machine main body (1), an output shaft clutch mechanism (4) is arranged on an output shaft of the first servo motor (3), a ball screw pair (5) is arranged at one end, away from the first servo motor (3), of the output shaft clutch mechanism (4), a sliding rail (6) is arranged at the bottom end of the ball screw pair (5), a first sliding block (7) is arranged on the sliding rail (6), the first sliding block (7) is connected with the ball screw pair (5), a tool holder (8) is arranged at one end, away from the output shaft clutch mechanism (4), of the tool holder (8) is provided with a broaching tool (9) at one end, away from the ball screw pair (5), a chain wheel clamp (10) is arranged at the top end of the broaching machine main body (1) and at one end far away from the servo motor I (3), a scrap processing device (11) is arranged at one side, close to the chain wheel clamp (10), of the broaching machine main body (1), a chain wheel automatic taking and placing device (12) is arranged at one side of the scrap processing device (11), an air gun (13) is arranged at the top end of the broaching machine main body (1), a lamp (14) is arranged at one end of the air gun (13), and a cooling liquid pipeline (15) is arranged at one side of the lamp (14);

wherein the output shaft clutch mechanism (4) comprises a disc (401) arranged on the output shaft of the servo motor I (3), one end of the disc (401) far away from the servo motor I (3) is provided with a circular groove (402), a connecting block (403) is arranged inside the circular groove (402), sliding grooves I (404) are arranged at two ends of the connecting block (403), a second sliding block (405) is arranged in each sliding groove (404), an arc surface (406) matched with the circular groove (402) is arranged on one side, close to the groove edge of the circular groove (402), of each second sliding block (405), one surface of the connecting block (403) close to the outer side of the circular groove (402) is provided with a circular shaft (417), a third sliding block (407) is arranged on the circular shaft (417), and one end, close to the disc (401), of the third sliding block (407) is connected with a second sliding block (405) through a first connecting rod (408); a connecting shaft (409) is arranged at one end, far away from the second slider (405), of the third slider (407), the connecting shaft (409) is connected with one end of a Y-shaped connecting rod (410), the middle end of the Y-shaped connecting rod (410) is connected with a supporting rod (411), a supporting block (412) is arranged at the bottom end of the supporting rod (411), a handle (413) is arranged at one end, far away from the third slider (407), of the Y-shaped connecting rod (410), and a telescopic rod (414) is arranged on one side of the handle (413) and at the top end of the supporting block (412); a shaft shoulder (415) is arranged at one end, away from the connecting block (403), of the round shaft (417), and a first spring (416) is arranged between the third sliding block (407) and the shaft shoulder (415); the groove edge of the circular groove (402) and the circular arc surface (406) are both provided with thread grooves.

2. The horizontal internal broaching machine for sprocket production according to claim 1, wherein the scrap handling device (11) comprises a pipeline (1101) arranged at the bottom end of the sprocket clamp (10), a storage tank (1102) is arranged at the bottom end of the pipeline (1101), and the middle end of the pipeline (1101) is connected with the top end of the vibrating device (1103).

3. The horizontal internal broaching machine for producing the chain wheel according to claim 2, wherein the vibrating device (1103) comprises a base block (1104), a second servo motor (1105) is arranged at the top end of the base block (1104), a second connecting rod (1106) is arranged on an output shaft of the second servo motor (1105), the second connecting rod (1106) is connected with a third connecting rod (1107), the third connecting rod (1107) is connected with a square plate (1108), a round hole (1109) matched with the pipeline (1101) is arranged at one side of the square plate (1108) deviating from the center, first connecting seats (1110) are arranged at two ends of the square plate (1108), the first connecting seats (1110) are connected with a square plate (1111), a second sliding chute (1112) is arranged in the square plate (1111), a fourth sliding block (1113) is arranged in the second sliding chute (1112), and a fourth connecting rod (1114) is arranged at one end, close to the square plate (1108), of the fourth sliding block (1113), and the four connecting rods (1114) penetrate through the square block (1111) and are connected with the square plate (1108).

4. The horizontal internal broaching machine for producing the chain wheel as claimed in claim 3, wherein a second spring (1115) is arranged in the second sliding groove (1112) and on the round shaft of the fourth connecting rod (1114).

5. The horizontal internal broaching machine for producing the chain wheel according to claim 1, wherein the automatic chain wheel taking and placing device (12) comprises a support (1201), a second connecting seat (1202) is arranged at the top end of the support (1201), an air cylinder (1203) is arranged on the second connecting seat (1202), a vertical plate (1210) is arranged at the top end of the support (1201), a connecting plate (1204) is arranged on the vertical plate (1210), an L-shaped sliding groove (1205) is formed in the surface of the connecting plate (1204), a fifth slider (1206) is arranged in the L-shaped sliding groove (1205), the fifth slider (1206) is connected with a sliding plate (1207), the sliding plate (1207) is connected with the air cylinder (1203), and a pneumatic clamping jaw (1208) is arranged at one end, close to the chain wheel clamp (10), of the sliding plate (1207).

6. The horizontal internal broaching machine for producing the chain wheel as claimed in claim 5, wherein a circular arc groove (1209) is arranged at the right angle of the L-shaped sliding groove (1205).