CN210586926U

CN210586926U - Feeding device of thread rolling machine and thread rolling machine

Info

Publication number: CN210586926U
Application number: CN201921227905.7U
Authority: CN
Inventors: 贺福军
Original assignee: Zheng Jingyi Vocational And Technical School Shunde District Foshan City (lunjiao Adult Culture And Technology School Shunde District Foshan City)
Current assignee: Zheng Jingyi Vocational And Technical School Shunde District Foshan City (lunjiao Adult Culture And Technology School Shunde District Foshan City)
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-22
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a feeding device of thread rolling machine, bolt bar rolls down along the bottom plate that is inclined downwards from back to front along with self gravity, bolt bar falls into the material feeding channel through the discharging gap, the material blocking block blocks the bolt bar in the material feeding channel, under the swing of the linkage rocker is driven by external force, the linkage rocker can drive the material pushing slider to move down along the material pushing slide rail, the material pushing slider pushes the bolt bar in the material feeding channel down, the material blocking block is opened by jacking, so that the bolt bar is pushed out from the material feeding channel, thread rolling is carried out, simultaneously the linkage rocker drives the material beating rod to swing, the material beating block extends into the feed hopper from the material beating opening, and beats the bolt bar in the hopper, so that the bolt bar is loose, roll into the discharging gap orderly, the feeding is stable, the phenomenon of blocking and stopping is avoided, simultaneously material pushing and beating are realized by driving the linkage rocker to swing, and further, automatic feeding of bolt bar materials is realized, and the production efficiency of the thread rolling machine is improved.

Description

Feeding device of thread rolling machine and thread rolling machine

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to feed arrangement of thread rolling machine.

Background

The thread rolling machine is a device for producing threads professionally, and the main working principle of the thread rolling machine is that two thread rolling plates with the same tooth shapes as the threads of bolts are used, and when the two thread rolling plates move mutually, the bolt blanks between the two thread rolling plates are rolled out of the threads. The conventional screws used at present are all fed by additionally arranging automatic feeding mechanisms on the traditional thread rolling machine, but the automatic mechanisms can only realize screws with small length-diameter ratio, when threads with the length-diameter ratio larger than or equal to 100 are machined, bars can only be placed between thread rolling plates in a manual mode to realize the feeding process of the bars, the mode is high in labor intensity, low in safety and low in production efficiency, the existing thread rolling machine also realizes the feeding process by arranging a stop mechanism on a conveying guide rail, workers are required to feed one by one, batch production cannot be met, and the phenomenon of blocking is easy to occur.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the feeding device of the thread rolling machine is provided, automatic feeding is achieved, feeding is stable, and production efficiency of the thread rolling machine is improved.

The utility model provides a solution of its technical problem is:

a feeding device of a thread rolling machine comprises a rack, and a hopper, a pushing mechanism, a beating mechanism and a linkage mechanism which are arranged on the rack, wherein the hopper comprises a front material plate and a bottom plate, the bottom plate is arranged in a downward inclination manner from back to front, a discharging gap which is arranged in a left-right extending manner is formed between the lower edge of the front material plate and the lower edge of the bottom plate, a material guide base which is fixedly arranged on the rack is arranged below the discharging gap, a feeding channel which is arranged in a downward inclination manner from back to front is formed between the material guide base and the bottom of the hopper, and a material blocking block is arranged at the lower end of the feeding channel;

the pushing mechanism comprises a pushing slide rail arranged below the bottom plate and a pushing slide block slidably arranged on the pushing slide rail, the pushing slide rail is parallel to the feeding channel, and the lower end of the pushing slide block is arranged at the upper end of the feeding channel;

the ramming mechanism comprises a ramming rod vertically arranged on the front side of the front material plate, the middle part of the ramming rod is hinged with the front material plate, a ramming port is arranged at the lower part of the front material plate, and the lower end of the ramming rod is connected with a ramming block corresponding to the ramming port;

the linkage mechanism comprises a linkage rocker arranged above the hopper, the middle of the linkage rocker is hinged with the rack, one end of the linkage rocker is in transmission connection with the upper end of the knockout rod, and the other end of the linkage rocker is in transmission connection with the upper end of the material pushing sliding block.

The utility model has the advantages that: during processing, a certain amount of bolt bars are placed in a hopper, so that the bolt bars roll downwards along a bottom plate which is arranged from back to front in a downward inclined mode along with the self gravity, the bolt bars fall into a feeding channel through a discharging gap, a blocking block blocks the bolt bars in the feeding channel, under the action of external force, a linkage rocker is driven to swing, the linkage rocker can drive a pushing sliding block to move downwards along a pushing sliding rail, the pushing sliding block pushes the bolt bars in the feeding channel downwards to push the blocking block open, so that the bolt bars are pushed out from the feeding channel to be twisted, meanwhile, the linkage rocker drives a knockout rod to swing, the knockout block extends into a feed hopper from a knockout hole and knocks the bolt bars in the hopper, the bolt bars are loosened and roll into the discharging gap orderly, the phenomenon of blocking during feeding is avoided stably, and pushing and knockout are realized simultaneously by driving the linkage rocker to swing, and further, automatic feeding of bolt bar materials is realized, and the production efficiency of the thread rolling machine is improved.

As a further improvement of the scheme, the bottom of the bottom plate is connected with a linear vibrator, and the linear vibrator is installed on the rack.

As a further improvement of the above scheme, the pushing mechanism comprises a limiting seat fixed on the frame and a connecting piece connected with the pushing sliding block, the connecting piece is connected with a sliding rod arranged in parallel with the pushing sliding rail, a sliding hole matched with the sliding rod is formed in the limiting seat, the lower end of the sliding rod is fixedly connected with the connecting piece, the upper end of the sliding rod penetrates through the sliding hole and then is in threaded connection with a nut, a pushing return spring is sleeved on the sliding rod between the nut and the limiting seat, and the other end of the linkage rocker is abutted to the upper end of the sliding rod. When the linkage rocker swings, the linkage rocker is abutted against the upper end of the sliding rod and pushes the sliding rod to move downwards along the material pushing sliding rail, the material pushing reset spring is compressed and further drives the material pushing sliding block to move downwards along the feeding channel, pushing of the bolt bar is achieved, and after the linkage rocker resets, the material pushing sliding block returns to the original position under the action of the elastic force recovered by the material pushing reset spring.

As a further improvement of the above scheme, the knockout mechanism is including knockout reset spring, knockout reset spring sets up between the preceding lateral wall of knockout pole and preceding flitch the back lateral wall of knockout pole upper end is equipped with the conflict face, the setting of upwards inclining backward in the past of conflict face, the one end and the conflict face butt of linkage rocker. When the linkage rocker swings, the one end of linkage rocker upwards swings along the conflict face to keep conflicting with the conflict face, set up because of conflict face forward tilt up in the past, make the upper end of beating the material pole swing forward, and the lower extreme of beating the material pole swings backward, beat material reset spring and is compressed, drive beat material piece from beating in the material mouth stretches the feeder hopper, realize beating bolt bar, after the linkage rocker resets, under the effect of beating material reset spring recovery elasticity, beat the material piece and reply the normal position.

As a further improvement of above-mentioned scheme, the linkage rocker includes interconnect's beating material rocking arm and pushes away the material rocking arm, it extends the setting around being to beat the material rocking arm, beat the material rocking arm with push away the material rocking arm and be the contained angle setting each other, beat the material rocking arm with push away material rocking arm junction and be the articulated shaft that extends the setting about being, the linkage rocker passes through the articulated shaft and is articulated with the frame, beat material rocking arm fixedly connected with and be about extending the beating material ejector pin that sets up, beat material ejector pin and conflict face butt, it contradicts with the upper end of slide bar to push away the material rocking arm. When the knockout rocker arm and the pushing rocker arm swing around the hinged shaft, the knockout rocker arm is abutted against the abutting surface through the knockout ejector rod, so that the knockout rod is driven to swing, knockout is realized, the pushing rocker arm is abutted against the upper end of the sliding rod, the sliding rod is driven to move, and pushing is realized.

As a further improvement of the scheme, the upper end of the material blocking block is hinged to the front side wall of the front material plate, a material blocking reset torsion spring is arranged between the material blocking block and the front material plate, and the lower end of the material blocking block extends into the lower end of the feeding channel. After the pushing sliding block returns to the original position, the lower end of the material blocking block keeps extending into the feeding channel under the action of the material blocking reset torsion spring, and the bolt bar is blocked and limited.

As a further improvement of the scheme, the material blocking blocks are arranged in a plurality, and the material blocking blocks are arranged at left and right intervals along the lower edge of the front material plate. A plurality of material blocking blocks meet the requirement of longer bolt bar materials, the stability of the discharge of the bolt bar materials is improved, and the phenomenon that the inclination occurs to influence the quality of thread rolling is avoided.

As a further improvement of the above scheme, a first stabilizer bar is connected to the front end of the material guide base, a second stabilizer bar is arranged on the front side of the hopper, the first stabilizer bar and the second stabilizer bar are vertically arranged, the second stabilizer bar and the first stabilizer bar are arranged at intervals in the front-back direction, a feeding gap is formed between the second stabilizer bar and the first stabilizer bar, and the feeding gap is communicated with the feeding channel. After the bolt bar is pushed out of the feeding channel by the pushing sliding block, the bolt bar can move downwards along a feeding gap formed by the second stabilizing bar and the first stabilizing bar, a thread rolling process is realized by one end of the bolt bar through the thread rolling plate, and the other end of the bolt bar moves along the feeding gap, so that the thread rolling quality of the bolt bar is improved.

As a further improvement of the above scheme, the front end of the knockout rocker arm is provided with an adjusting screw which is vertically arranged, and the upper end of the adjusting screw is in threaded connection with the knockout rocker arm. The height of the lower end of the adjusting screw can be adjusted by rotating the adjusting screw, and the swing amplitude of the linkage rocker is further adjusted, so that the movement strokes of the material pushing sliding block and the material beating block can be adjusted.

Furthermore, the utility model also provides a thread rolling machine, include feed arrangement, fixed screw plate, activity screw plate and thread rolling drive arrangement, fixed screw plate fixed mounting is in the below of hopper, activity screw plate, fixed screw plate all are vertical setting, relative setting around activity screw plate and the fixed screw plate are be equipped with the thread rolling clearance between activity screw plate and the fixed screw plate, the thread rolling clearance communicates with the pay-off passageway, the thread rolling clearance is relative setting about being with the pay-off clearance, thread rolling drive arrangement is connected with the transmission of activity screw plate, drive arrangement can drive the activity screw plate and reciprocate, the upper end of activity screw plate and adjusting screw's lower extreme butt. When the movable screw plate moves upwards, the adjusting screw is jacked, the beating rocker arm swings, the pushing rocker arm also swings along with the swinging, and further the functions of pushing and beating are achieved simultaneously, bolt bars fall into the thread rolling gap, when the movable screw plate moves downwards, the movable screw plate is matched with the movable screw plate to thread the bolt bars, and the material blocking block, the beating block and the pushing slider are reset under the action of restoring elasticity of the material blocking reset torsion spring, the beating reset spring and the pushing reset spring, so that the screw rolling of the screw bars is achieved automatically.

The utility model is used for the thread rolling of screw thread.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a right side view of a feeding device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a front view of a thread rolling machine according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a thread rolling machine according to an embodiment of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

With reference to fig. 1 to 4, this is an embodiment of the invention, in particular:

a feeding device of a thread rolling machine comprises a frame 100, a hopper 200, a pushing mechanism, a hitting mechanism and a linkage mechanism which are arranged on the frame 100, wherein the hopper 200 comprises a front material plate 210 and a bottom plate 220, side plates are generally arranged on the left side and the right side of the hopper 200, the bottom plate 220 is arranged in a downward inclination manner from back to front, a discharge gap 230 which extends from left to right is formed between the lower edge of the front material plate 210 and the lower edge of the bottom plate 220, the discharge gap 230 is determined according to the size of bolt blanks, only one bolt blank can pass through the discharge gap 230, a material guide base 240 which is fixedly arranged on the frame 100 is arranged below the discharge gap 230, a feeding channel 250 which is arranged in a downward inclination manner from back to front is formed between the material guide base 240 and the bottom of the hopper 200, a material blocking block 260 is arranged at the lower end of the feeding channel 250, and the inclination of the bottom plate, the size of the feeding channel 250 is also determined according to the size of the bolt blank, the material blocking block 260 can block one bolt blank in the feeding channel 250 below the discharging gap 230, the upper end of the material blocking block 260 is hinged to the front side wall of the front material plate 210, a material blocking reset torsion spring 261 is arranged between the material blocking block 260 and the front material plate 210, the lower end of the material blocking block 260 extends into the lower end of the feeding channel 250, after the material pushing slide block 310 returns to the original position, the lower end of the material blocking block 260 keeps extending into the feeding channel 250 under the action of the material blocking reset torsion spring 261, the blocking and limiting effects on the bolt blank are achieved, the material blocking blocks 260 can be arranged according to needs, the material blocking blocks 260 are arranged in a left-right spaced mode along the lower edge of the front material plate 210, and two material blocking blocks 260 are arranged in the embodiment.

The pushing mechanism comprises a pushing slide rail 300 arranged below the bottom plate 220 and a pushing slide block 310 slidably mounted on the pushing slide rail 300, the pushing slide rail 300 is parallel to the feeding channel 250, the lower end of the pushing slide block 310 is arranged at the upper end of the feeding channel 250, and the size of the lower end of the pushing slide block 310 is matched with that of the feeding channel 250, so that only one bolt blank can be pushed out by moving the pushing slide block 310 every time.

As a further improvement of the above scheme, the bottom of the bottom plate 220 is connected with a linear vibrator 900, the linear vibrator 900 is mounted on the rack 100, and the linear vibrator 900 performs a vibration conveying function on the bar stock, so that the bar stock can freely enter the discharge gap 230, and the phenomenon of material blockage is avoided.

Further, the pushing mechanism comprises a limiting seat 320 fixed on the rack 100 and a connecting piece 330 connected with a pushing sliding block 310, the connecting piece 330 is connected with a sliding rod 331 arranged in parallel with the pushing sliding rail 300, a sliding hole matched with the sliding rod 331 is formed in the limiting seat 320, the lower end of the sliding rod 331 is fixedly connected with the connecting piece 330, the upper end of the sliding rod 331 penetrates through the sliding hole and then is connected with a nut 332 in a threaded manner, a sliding rod between the nut 332 and the limiting seat 320 is sleeved with a pushing return spring 340, and the other end of the linkage rocker 500 is abutted to the upper end of the sliding rod 331. When the linkage rocker 500 swings, the linkage rocker 500 abuts against the upper end of the sliding rod 331 and pushes the sliding rod 331 to move downwards along the pushing slide rail 300, the pushing return spring 340 is compressed, the pushing slide block 310 is driven to move downwards along the feeding channel 250, pushing of the bolt bar is achieved, and after the linkage rocker 500 resets, the pushing slide block 310 returns to the original position under the action of the elastic force restored by the pushing return spring 340.

The ramming mechanism comprises a ramming rod 400 vertically arranged on the front side of the front material plate 210, the middle of the ramming rod 400 is hinged to the front material plate 210, a ramming port 270 is arranged on the lower portion of the front material plate 210, and the lower end of the ramming rod 400 is connected with a ramming block 410 corresponding to the ramming port 270.

Further, the ramming mechanism further comprises a ramming reset spring 420, the ramming reset spring 420 is arranged between the ramming rod 400 and the front side wall of the front material plate 210, an abutting surface 430 is arranged on the rear side wall of the upper end of the ramming rod 400, the abutting surface 430 is arranged in a manner of inclining upwards from front to back, and one end of the linkage rocker 500 abuts against the abutting surface 430. When the linkage rocker 500 swings, one end of the linkage rocker 500 swings upwards along the abutting surface 430 and is kept abutting against the abutting surface 430, the abutting surface 430 is arranged in a forward and backward upwards inclined mode, so that the upper end of the material beating rod 400 swings forwards, the lower end of the material beating rod 400 swings backwards, the material beating reset spring 420 is compressed, the material beating block 410 is driven to stretch into the hopper 200 from the material beating opening 270, beating of the bolt rod is achieved, and after the linkage rocker 500 resets, under the effect of the restoring elastic force of the material beating reset spring 420, the material beating block 410 returns to the original position.

Further, the link gear is including setting up in the linkage rocker 500 of hopper 200 top, linkage rocker 500 includes interconnect's beating material rocking arm 510 and pushes away material rocking arm 520, it extends the setting around the rocking arm 510 is to beat the material, it is the contained angle setting with pushing away material rocking arm 520 each other to beat the material rocking arm 510, it is equipped with the axis and is to extend the articulated shaft 530 that sets up about with pushing away material rocking arm 520 junction to beat the material rocking arm 510, linkage rocker 500 is articulated with frame 100 through articulated shaft 530, beating material rocking arm 510 fixedly connected with is to extend the beating material ejector pin 511 that sets up about, beating material ejector pin 511 and conflict face 430 butt, it conflicts with the upper end of slide bar 331 to push away material rocking arm 520.

In a further preferred embodiment, a first stabilizer bar 241 is connected to a front end of the material guide base 240, a second stabilizer bar 211 is disposed at a front side of the hopper 200, the first stabilizer bar 241 and the second stabilizer bar 211 are vertically disposed, the second stabilizer bar 211 and the first stabilizer bar 241 are spaced apart from each other in a front-rear direction, a feeding gap 280 is formed between the second stabilizer bar 211 and the first stabilizer bar 241, and the feeding gap 280 is communicated with the feeding channel 250.

Further as a preferred embodiment, the front end of the knockout rocker arm 510 is provided with an adjusting screw 512 which is vertically arranged, and the upper end of the adjusting screw 512 is in threaded connection with the knockout rocker arm 510. The height of the lower end of the adjusting screw 512 can be adjusted by rotating the adjusting screw 512, so that the swing amplitude of the linkage rocker 500 is adjusted, and the movement strokes of the material pushing sliding block 310 and the material beating block 410 can be adjusted.

In addition, the embodiment further provides a thread rolling machine, the thread rolling machine includes the feeding device, a fixed thread rolling plate 600, a movable thread rolling plate 700 and a thread rolling driving device, the thread rolling driving device is a driving device of the existing thread rolling machine, a motor is in transmission connection with the movable thread rolling plate 700 through a transmission mode of a worm and gear, the fixed thread rolling plate 600 is fixedly installed below the hopper 200, the movable thread rolling plate 700 and the fixed thread rolling plate 600 are both vertically arranged, the movable thread rolling plate 700 and the fixed thread rolling plate 600 are arranged in a front-back opposite manner, a thread rolling gap 800 is arranged between the movable thread rolling plate 700 and the fixed thread rolling plate 600, the thread rolling gap 800 is communicated with the feeding channel 250, the thread rolling gap 800 and the feeding gap 280 are arranged in a left-right opposite manner, the thread rolling driving device is in transmission connection with the movable thread rolling plate 700, the driving device can drive the movable thread rolling plate 700 to move up and down, the upper end of the movable screw plate 700 is abutted against the lower end of the adjusting screw 512.

The working principle of the thread rolling machine is as follows: during processing, a considerable number of bolt bars are placed in the hopper 200, so that the bolt bars roll downwards along the bottom plate 220 which is arranged from back to front and is inclined downwards along with the self gravity, the bolt bars fall into the feeding channel 250 through the discharging gap 230, the stop block 260 stops the bolt bars in the feeding channel 250, when the driving device drives the movable thread rolling plate 700 to move upwards, the adjusting screw 512 is jacked, the beating rocker arm 510 swings, the pushing rocker arm 520 also swings, the pushing rocker arm 520 abuts against the upper end of the sliding rod 331 and pushes the sliding rod 331 to move downwards along the pushing slide rail 300, the pushing return spring 340 is compressed, the pushing slide block 310 is further driven to move downwards along the feeding channel 250, the pushing slide block 310 pushes the bolt bars in the feeding channel 250 downwards to jack the stop block 260, so that the bolt bars are pushed out from the feeding channel 250 and fall into the thread rolling gap 800 and the feeding gap 280, meanwhile, the knockout rocker arm 510 is abutted against the abutting surface 430 through the knockout ejector rod 511 to drive the knockout rod 400 to swing, the knockout block 410 extends into the hopper 200 from the knockout hole 270 and knocks the bolt bar in the hopper 200, so that the bolt bar is loosened and orderly rolled into the discharge gap 230; when the driving device drives the movable screw plate 700 to move downwards, the movable screw plate 700 is matched with the movable screw plate 700 to thread the screw rod, and the material blocking block 260, the material beating block 410 and the material pushing sliding block 310 are reset under the action of the restoring elasticity of the material blocking return torsion spring 261, the material beating return spring 420 and the material pushing return spring 340, so that the screw rod is automatically threaded through the circulation operation.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. The feeding device of the thread rolling machine is characterized in that: the automatic feeding device comprises a rack (100), and a hopper (200), a pushing mechanism, a hitting mechanism and a linkage mechanism which are arranged on the rack (100), wherein the hopper (200) comprises a front material plate (210) and a bottom plate (220), the bottom plate (220) is arranged in a downward tilting mode from back to front, a discharging gap (230) which extends left and right is formed between the lower edge of the front material plate (210) and the lower edge of the bottom plate (220), a material guide base (240) fixedly arranged on the rack (100) is arranged below the discharging gap (230), a feeding channel (250) which is arranged in a downward tilting mode from back to front is formed between the material guide base (240) and the bottom of the hopper (200), and a material blocking block (260) is arranged at the lower end of the feeding channel (250);

the pushing mechanism comprises a pushing slide rail (300) arranged below the bottom plate (220) and a pushing slide block (310) slidably mounted on the pushing slide rail (300), the pushing slide rail (300) is parallel to the feeding channel (250), and the lower end of the pushing slide block (310) is arranged at the upper end of the feeding channel (250);

the ramming mechanism comprises a ramming rod (400) vertically arranged on the front side of the front material plate (210), the middle part of the ramming rod (400) is hinged with the front material plate (210), a ramming port (270) is arranged at the lower part of the front material plate (210), and the lower end of the ramming rod (400) is connected with a ramming block (410) corresponding to the ramming port (270);

the linkage mechanism comprises a linkage rocker (500) arranged above the hopper (200), the middle of the linkage rocker (500) is hinged to the rack (100), one end of the linkage rocker (500) is in transmission connection with the upper end of the material beating rod (400), and the other end of the linkage rocker (500) is in transmission connection with the upper end of the material pushing sliding block (310).

2. The feeding device of the thread rolling machine according to claim 1, characterized in that:

the bottom of the bottom plate (220) is connected with a linear vibrator (900), and the linear vibrator (900) is installed on the rack (100).

3. The feeding device of the thread rolling machine according to claim 1, characterized in that:

the pushing equipment is including fixing spacing seat (320) in frame (100), connecting piece (330) of being connected with pushing away material slider (310), connecting piece (330) be connected with push away slide rail (300) parallel arrangement's slide bar (331) with slide bar (331) matching on spacing seat (320) sliding hole, the lower extreme of slide bar (331) and the fixed connection of connecting piece (330), threaded connection has nut (332) behind the sliding hole is passed to the upper end of slide bar (331) the cover is equipped with and pushes away material reset spring (340) on the slide bar between nut (332) and spacing seat (320), the other end of linkage rocker (500) and the upper end butt of slide bar (331).

4. A feeding device of a thread rolling machine according to claim 3, characterized in that:

the ramming mechanism comprises a ramming reset spring (420), the ramming reset spring (420) is arranged between the front side wall of the ramming rod (400) and the front material plate (210), an abutting surface (430) is arranged on the rear side wall of the upper end of the ramming rod (400), the abutting surface (430) is arranged in a mode of inclining backwards upwards from the front, and one end of the linkage rocker (500) is abutted to the abutting surface (430).

5. The feeding device of the thread rolling machine according to claim 4, characterized in that:

link rocker (500) including interconnect's beating material rocking arm (510) and push away material rocking arm (520), it extends the setting around beating material rocking arm (510) is, beat material rocking arm (510) with push away material rocking arm (520) and be the contained angle setting each other, it is equipped with axis and is and controls articulated shaft (530) that extend the setting with pushing away material rocking arm (520) junction to beat material rocking arm (510), it is articulated with frame (100) through articulated shaft (530) to link rocker (500), it is left right to extend the beating material ejector pin (511) that set up to beat material rocking arm (510) fixedly connected with, beating material ejector pin (511) and conflict face (430) butt, it contradicts with the upper end of slide bar (331) to push away material rocking arm (520).

6. The feeding device of the thread rolling machine according to claim 1, characterized in that:

the upper end of the material blocking block (260) is hinged to the front side wall of the front material plate (210), a material blocking reset torsion spring (261) is arranged between the material blocking block (260) and the front material plate (210), and the lower end of the material blocking block (260) extends into the lower end of the feeding channel (250).

7. The feeding device of the thread rolling machine according to claim 6, characterized in that: the material blocking blocks (260) are arranged in a plurality of numbers, and the material blocking blocks (260) are arranged at left and right intervals along the lower edge of the front material plate (210).

8. The feeding device of the thread rolling machine according to claim 1, characterized in that: the utility model provides a material guide device, including guide base (240), hopper (200), first stabilizer bar (241) are connected with the front end of guide base (240) first stabilizer bar (241) the front side of hopper (200) is equipped with second stabilizer bar (211), first stabilizer bar (241), second stabilizer bar (211) all are vertical setting, second stabilizer bar (211) and first stabilizer bar (241) are front and back interval setting, form pay-off clearance (280) between second stabilizer bar (211) and first stabilizer bar (241), pay-off clearance (280) and pay-off passageway (250) intercommunication.

9. The feeding device of the thread rolling machine according to claim 5, characterized in that: the front end of the knockout rocker arm (510) is provided with an adjusting screw (512) which is vertically arranged, and the upper end of the adjusting screw (512) is in threaded connection with the knockout rocker arm (510).

10. A thread rolling machine is characterized in that: comprising a feeding device according to any one of claims 1 to 9, a fixed screw plate (600), a movable screw plate (700) and a screw driving device, the fixed screw plate (600) is fixedly arranged below the hopper (200), the movable screw plate (700) and the fixed screw plate (600) are both vertically arranged, the movable screw plate (700) and the fixed screw plate (600) are arranged in a front-back opposite manner, a thread rolling gap (800) is arranged between the movable thread rolling plate (700) and the fixed thread rolling plate (600), the thread rolling gap (800) is communicated with the feeding channel (250), the thread rolling gap (800) and the feeding gap (280) are oppositely arranged left and right, the thread rolling driving device is in transmission connection with the movable thread rolling plate (700), the driving device can drive the movable thread rolling plate (700) to move up and down, the upper end of the movable screw plate (700) is abutted with the lower end of the adjusting screw (512).