CN212822472U - A conveyor system for forging blank transportation - Google Patents

Abstract

The utility model discloses a conveyor system for forging blank transportation, this conveyor system including be used for transporting the blank to the loading attachment in blank processing district, set up in the transportation track between blank output area and loading attachment and hang and be used for pressing from both sides the mechanical clamping jaw who gets and transport the blank on the transportation track, mechanical clamping jaw slidable connects on the transportation track. This transportation system can be through mechanical clamping jaw, transportation track and loading attachment with the complete mechanized transportation to the blank processing district of blank from the blank output area, has realized the automatic transportation of high temperature blank, has improved production efficiency, has reduced the risk of high temperature blank to operating personnel injury.

Description

A conveyor system for forging blank transportation

Technical Field

The utility model relates to a forge blank transportation technical field, especially relate to a conveyor system for forging blank transportation.

Background

In the process of forging the round steel, firstly, the round steel needs to be added into a medium-frequency diathermy furnace to be heated to form a blank, then the blank generated after being heated by the medium-frequency diathermy furnace needs to be transferred to a friction press or a die forging hammer for further processing and forging, but the distance from the medium-frequency diathermy furnace to the friction press or the die forging hammer is long, the blank is generally transferred by a small handcart by using 2 persons in the conventional blank transferring mode, the transfer mode needs to control the small handcart to be transferred back and forth, the back-and-forth transfer frequency of each shift is about 100 times, the efficiency is low, and the labor intensity is high; secondly, the blank falls because of the dolly jolt easily that makes because of the road surface is uneven in the manual transportation process, and the blank temperature that produces after the heating of medium frequency diathermy furnace reaches 1200 degrees, and the high temperature blank that drops can cause great injury if contact people, has great potential safety hazard.

To the above-mentioned problem, put forward the utility model discloses specially.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a conveyor system for forging blank transportation, this conveyor system can be through mechanical clamping jaw, transportation track and loading attachment with the blank from the complete mechanized transportation to blank processing district of blank output area, has realized the automatic transportation of high temperature blank, has improved production efficiency, has reduced the risk of high temperature blank to operating personnel injury.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a conveyor system for forging blank transportation, including be used for transporting the blank to the loading attachment in blank processing district, set up in blank delivery area with transport track between the loading attachment with hang in be used for pressing from both sides to get and transport the mechanical clamping jaw of blank on the transport track, mechanical clamping jaw slidable connect in on the transport track.

Preferably, the transportation track is provided with an electric hoist, and the mechanical clamping jaw is fixedly connected to the lower part of the electric hoist.

Preferably, be provided with hall switch on the electric block, the transportation track with blank output area correspond the position on the interval be provided with two be used for with hall switch response is with the first magnet of control hall switch switching, the transportation track with the interval is provided with two second magnets in the position that loading attachment corresponds.

Preferably, the mechanical clamping jaw comprises a clamping mechanism for clamping the forged blank and a telescopic assembly arranged at the upper part of the clamping mechanism and used for controlling the clamping mechanism to lift, and the clamping mechanism comprises a plurality of oppositely arranged clamping jaws and a control assembly for controlling the plurality of clamping jaws to be matched with each other so as to clamp or loosen the forged blank.

Preferably, the telescopic assembly comprises a first hydraulic cylinder and a connecting block connected to the end part of a piston rod of the first hydraulic cylinder, a pull rope sensor used for monitoring the telescopic length of the first hydraulic cylinder is arranged on the first hydraulic cylinder, and a pull rope of the pull rope sensor is tied on the connecting block.

Preferably, the feeding device is a chain conveyor, and the chain conveyor is arranged between an external friction press and an external die forging hammer.

Preferably, the feeding device comprises a material transferring tool for placing blanks, a transversely arranged telescopic feeding assembly for delivering the blanks on the material transferring tool to a blank processing area, a lifting driving assembly connected with the telescopic feeding assembly and used for driving the telescopic feeding assembly to lift, and a rotary driving assembly connected with the lifting driving assembly and used for driving the lifting driving assembly to rotate, wherein the telescopic feeding assembly is in gear and rack transmission, the lifting driving assembly is in screw rod transmission, and the rotary driving assembly is in gear transmission.

Preferably, flexible material loading subassembly include first motor, with the gear that first motor output is connected, with gear engagement's rack, inside hollow lifter and set up in the telescopic link that the lifter was stretched out to inside and one end of lifter, the rack with telescopic link fixed connection, the one end fixedly connected with that the telescopic link stretched out the lifter is used for placing the commentaries on classics material tooth of blank, the lifter is kept away from the one end fixedly connected with counter weight tray of changeing the material tooth, place a plurality of balancing weights on the counter weight tray.

Preferably, the cross section of telescopic link is groove structure, rack fixed connection in the tank bottom of telescopic link, the both sides of the inside bottom surface of lifter set up a plurality of first guide pulley respectively, the notch orientation of telescopic link the bottom surface of lifter, the both sides of telescopic link notch are arranged in on the guide pulley.

Preferably, the lifting drive assembly includes inside hollow column spinner, set up in the second motor of column spinner top with set up in the inside lead screw that just is connected with the output of second motor of column spinner, be provided with the nut seat on the lead screw, be equipped with two bar holes along vertical direction on the side of column spinner, two bar holes set up relatively, the lifter pass two bar holes and with nut seat fixed connection, all be provided with the slide rail on two bar hole length direction's the both sides, on the lifter with be provided with the pulley on the position that the slide rail is relative.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) this transportation system can be through mechanical clamping jaw, transportation track and loading attachment with the complete mechanized transportation to the blank processing district of blank from the blank output area, has realized the automatic transportation of high temperature blank, has improved production efficiency, has reduced the risk of high temperature blank to operating personnel injury.

(2) This transportation system's mechanical clamping jaw sets up on electric block, it is along with electric block makes a round trip to move between blank output area and loading attachment along the transportation track, realize the blank from the blank output area on transporting loading attachment, the interval is provided with two and is used for the first magnet with control hall switch response in order to control the hall switch switching on the position that transportation track and blank output area correspond, the interval is provided with two second magnets on the position that transportation track and loading attachment correspond, first magnet and second magnet make high-speed operation's electric block stop after can slowing down earlier with hall switch's setting, the stability of system has been strengthened.

(3) This transportation system is provided with two kinds of loading attachment, can choose for use according to the site conditions when using, and a loading attachment is chain conveyor, and mechanical clamping jaw transports the blank to this chain conveyor, and chain conveyor just reversing can transport the blank to friction press or the peripheral hardware on the die forging hammer, and another kind of loading attachment can be through rotatory, go up and down, flexible carry the blank to the die forging hammer on, simple structure, and the material loading is reliable and stable.

(4) The blank is conveyed to the feeding device on the die forging hammer through rotation, lifting and stretching, a stretching feeding component of the feeding device adopts rack and pinion transmission, a rack is arranged on a telescopic rod inside a lifting rod, the telescopic rod realizes the stretching of the telescopic rod under the action of the rack and pinion matching transmission, one end of the lifting rod, which is far away from a material transferring tool, is fixedly connected with a counterweight tray, a plurality of counterweight blocks are placed on the counterweight tray, the arrangement of the counterweight blocks ensures that one end of the lifting rod, which is provided with the material transferring tool, is inclined upwards, the outer end part of the material transferring tool is inclined upwards, so that the blank can be delivered to a blank processing area without extra clamping when being placed on the material transferring tool, the structure is simplified, the material transferring tool is two steel rods which are parallel to each other and positioned on the same horizontal plane, the distance between the two steel rods is smaller than the diameter of the blank, and, in addition, a plurality of balancing weights are arranged, the number of the balancing weights can be correspondingly adjusted according to the weight of the blank and the inclination degree of the lifting rod, and the application range of the feeding device is wider; secondly, the upper part and the lower part of the telescopic rod are respectively provided with a second guide pulley and a first guide pulley, and two sides of the telescopic rod are provided with limit blocks, so that the telescopic rod can be more smoothly stretched in the lifting rod; the side of column spinner is equipped with the bar hole of two relative settings along vertical direction, all is provided with the slide on two bar hole length direction's the both sides, is provided with the pulley on the position relative with the slide on the lifter, and the setting up of slide pulley makes the lifter can be stable reciprocating under the drive of lead screw and second motor, this simple structure, and the production precision is low, easily processing production, and the manufacturing cost drops into fewly.

(5) The mechanical clamping jaw has the beneficial effects that: the mechanical clamping jaw can control the height of a clamping jaw used for clamping blanks through a telescopic assembly, the telescopic control comprises a first hydraulic cylinder and a connecting block, a pull rope sensor is arranged on the first hydraulic cylinder and used for detecting and accurately controlling the telescopic length of the first hydraulic cylinder so as to ensure the accuracy of clamping the blanks by the clamping jaw; secondly, the two opposite clamping jaws are arranged in a staggered manner, so that the length of the piston rod of the second hydraulic cylinder which can extend out is larger, the opening angle of the clamping jaws is larger, and the clamping jaws are suitable for blanks of different sizes; thirdly, the clamping jaw is made of steel so as to be free from the influence of high-temperature blanks, and the blanks can be clamped and transferred; fourthly, the bending degree of the arc-shaped structure on the inner side of the clamping jaw is matched with the blank, so that the blank can be stably clamped by the mechanical clamping jaw in the process of high-speed movement without falling.

Drawings

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

Fig. 1 is a schematic structural diagram of a transportation system for transporting forging stocks according to the present invention.

Fig. 2 is a schematic structural view of a mechanical jaw.

Fig. 3 is a schematic structural view of the feeding device in embodiment 1.

Fig. 4 is a schematic structural view of a transportation rail support frame.

Fig. 5 is a schematic structural view of a feeding device in embodiment 2.

In the figure: 1-transportation track, 11-first magnet, 12-second magnet, 2-electric block, 3-mechanical clamping jaw, 31-first pneumatic cylinder, 32-connecting block, 33-second pneumatic cylinder, 34-clamp plate, 35-clamping jaw, 36-connecting rod, 37-stay cord sensor, 4-support frame, 5-lifter, 51-telescopic link, 52-first motor, 53-stopper, 54-second guide pulley, 55-counter weight tray, 56-balancing weight, 6-column spinner, 61-second motor, 62-pulley, 63-slide, 64-bar hole, 7-base, 8-commentaries on classics material frock.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is given with reference to the accompanying drawings of the present invention for clear and complete description of the technical solution of the present invention. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1 and 4, the transportation system for transporting forged blanks provided in this embodiment includes a feeding device for transporting blanks to a blank processing area, a transportation rail 1 disposed between the blank output area and the feeding device, and an electric hoist 2 disposed on the transportation rail 1, wherein a mechanical clamping jaw 3 for clamping and transporting blanks is fixedly connected to a lower portion of the electric hoist 2, and the mechanical clamping jaw 3 is hung on a lower portion of the electric hoist 2. The transportation track 1 is I-steel, and the material is ordinary, the processing production of being convenient for, and the transportation track 1 supports through support frame 4.

Be provided with hall switch on the electric block 2, the interval is provided with two first magnet 11 that are used for responding with hall switch in order to control the hall switch switching on the position that transportation track 1 and blank output area correspond, the interval is provided with two second magnet 12 on the position that transportation track 1 and loading attachment correspond, hall switch, electric block 2, mechanical tongs 3 and loading attachment all with control system communication connection, hall switch takes place the response and closed transmission to control system with first magnet 11 or second magnet 12, control system control electric block 2 slows down or stops. After the mechanical gripper 3 takes materials, the electric hoist 2 moves at a high speed to pass through a first second magnet 12 of the feeding device, the control system controls the electric hoist 2 to decelerate, and when the electric hoist 2 continues to move to a second magnet 12, the control system controls the electric hoist 2 to stop, and the mechanical gripper 3 acts to place blanks on a corresponding position of the feeding device; after the mechanical clamping jaw 3 discharges materials, the electric hoist 2 returns to the first magnet position 11 passing through the blank output area at a high speed, the control system controls the electric hoist 2 to decelerate, and when the electric hoist 2 continuously runs to the second first magnet position 11, the control system controls the electric hoist 2 to stop, and the mechanical clamping jaw 3 acts to clamp blanks.

As shown in fig. 2, the mechanical clamping jaw 3 includes a clamping mechanism for clamping a forged blank and a telescopic assembly arranged on the upper portion of the clamping mechanism for controlling the lifting of the clamping mechanism, the telescopic assembly includes a first hydraulic cylinder 31 and a connecting block 32 connected to the end portion of a piston rod of the first hydraulic cylinder 31, a pull rope sensor 37 for detecting the telescopic length of the first hydraulic cylinder 31 is arranged on the first hydraulic cylinder 31, a pull rope of the pull rope sensor 37 is attached to the connecting block 32, and the pull rope sensor 37 is used for detecting and accurately controlling the telescopic length of the first hydraulic cylinder 31, so as to ensure the accuracy of clamping the blank by the clamping mechanism.

The clamping mechanism comprises a plurality of oppositely arranged clamping jaws 35, a control assembly and a plurality of connecting rods 36, wherein the control assembly controls the plurality of clamping jaws 35 to be matched with each other so as to clamp or loosen the forging blank, the connecting rods 36 correspond to the clamping jaws 35, one end of each connecting rod 36 is connected with the corresponding connecting block 32, and the other end of each connecting rod is hinged to the corresponding clamping jaw 35.

The control assembly comprises a second hydraulic cylinder 33 and a pressing plate 34 connected to the end part of a piston rod of the second hydraulic cylinder 33, the second hydraulic cylinder 33 is fixedly connected to the lower part of the connecting block 32, one end of the upper part of the clamping jaw 35 is hinged to the connecting rod 36, the other end of the upper part of the clamping jaw is arranged on the lower part of the pressing plate 34, the pressing plate 34 is of a U-shaped structure, the clamping jaw 35 is arranged in a U-shaped groove of the pressing plate 34, and the pressing plate 34 of the U-shaped structure can limit the clamping jaw 35 on the outer side.

Further, in order to ensure that the clamping jaw 35 can clamp the blank stably and prevent the mechanical clamping jaw 3 from falling off when moving at a high speed, one surface of the clamping jaw 35, which is used for clamping the blank, is set to be an inward-concave arc-shaped structure, and the bending degree of the arc-shaped structure is matched with the blank.

In order to prevent the clamping jaw 35 from being affected by the high-temperature blank, the blank can be clamped and transferred, and the clamping jaw 35 is made of steel.

In this embodiment, the clamping jaw 35 and the connecting rod 36 are all set to 4, two liang of relative settings of 4 clamping jaws 35, one of two clamping jaws 35 that set up relatively is articulated with the inboard of connecting rod 36, another is articulated with the outside of connecting rod 36, the thickness of connecting rod 36 is greater than the thickness of clamping jaw 35, two relative clamping jaws 35 staggered arrangement, the length that makes the piston rod of second hydraulic cylinder 33 can stretch out is bigger, make clamping jaw 35 can open the angle bigger, be applicable to not unidimensional blank, and when the ejection of compact position of blank deviates, this mechanical clamping jaw 3 also can press from both sides and get the blank, make it can not appear pressing from both sides empty phenomenon.

When the mechanical clamping jaw 3 is used, the second hydraulic cylinder 33 acts to extend the clamping jaw 35, then the first hydraulic cylinder 31 acts to lower the clamping mechanism to the blank discharging port, the second hydraulic cylinder 33 contracts, the clamping jaw 35 clamps the blank, the first hydraulic cylinder 31 contracts, and the clamping action is completed. When the mechanical gripper 3 is moved to a predetermined position, the first hydraulic cylinder 31 is operated to lower the gripper mechanism to the predetermined position, the second hydraulic cylinder 33 is operated to extend the gripper 35 to lower the blank, the first hydraulic cylinder 31 is contracted, the second hydraulic cylinder 33 is contracted or not contracted, and the mechanical gripper 3 is returned to the blank discharge port position.

As shown in fig. 3, the feeding device includes a material transferring tool 8 for placing a blank, a transversely arranged telescopic feeding assembly for delivering the blank on the material transferring tool 8 to a blank processing area, a lifting driving assembly connected with the telescopic feeding assembly for driving the telescopic feeding assembly to lift, and a rotation driving assembly connected with the lifting driving assembly for driving the lifting driving assembly to rotate.

The telescopic feeding assembly is in gear and rack transmission. The telescopic feeding assembly comprises a first motor 52, a gear connected with the output end of the first motor 52, a rack meshed with the gear, a hollow lifting rod 5 inside and a telescopic rod 51 arranged inside the lifting rod 5 and with one end extending out of the lifting rod 5, wherein the rack is fixedly connected with the telescopic rod 51, and the material rotating tool 8 is fixedly connected to one end of the telescopic rod 51 extending out of the lifting rod 5. The gear is driven by the first motor 52 to move the rack engaged therewith left and right, so that the telescopic rod 51 fixedly connected with the rack moves left and right, and the telescopic rod 51 is stretched.

The cross section of telescopic link 51 is groove structure, and rack fixed connection sets up a plurality of first guide pulley 62 respectively in the tank bottom of telescopic link 51, the both sides of the inside bottom surface of lifter 5, and the notch of telescopic link 51 is towards the bottom surface of lifter 5, and on guide pulley 62 was arranged in to the both sides of telescopic link 51 notch, set up second guide pulley 54 on the inside of lifter 5, the upper end and the contact of second guide pulley 54 of telescopic link 51. In this embodiment, the number of the first guide pulleys 62 is 2, and the 2 guide pulleys 62 are respectively disposed on two sides of the inner bottom surface of the lifting rod 5 and located at one end of the telescopic rod 51 extending out of the lifting rod 5. Through repeated operation many times, verify that first leading pulley sets up to 2 and sets up in the inside telescopic link 51 of lifter 5 and stretches out the one end of lifter 5, and 2 leading pulleys 62 mutually support with second leading pulley 54 and more are favorable to the smooth flexible of telescopic link 51 in lifter 5, and the phenomenon that the card is pause can not appear.

Further, in order to limit the position of the telescopic rod 51 in the lifting rod 5 and reduce the friction of the telescopic rod 51 to the lifting rod 5, two side surfaces inside the lifting rod 5 are provided with limit blocks 53, and a gap for stretching the telescopic rod 51 is reserved between the limit blocks 53 on the two side surfaces.

Lifter 5 keeps away from the one end fixedly connected with counter weight tray 55 of changeing material frock 8, place a plurality of balancing weights 56 on the counter weight tray 55, setting up of balancing weight 56 makes lifter 5 be close to the one end tilt up of changeing material frock 8, and then make and change 8 tilt up of material frock, thereby it can realize delivering the blank to blank processing district to make the blank arrange in when changeing on the material frock 8 and need not extra centre gripping, the structure has been simplified, the quantity that balancing weight 56 placed can carry out corresponding adjustment according to the weight of blank and the inclination of lifter 5, make this loading attachment's application scope wider.

Change material frock 8 and be two steel poles that are located the mutual parallel on the same horizontal plane, the distance of two steel poles is less than the diameter of blank, and this makes change material frock 8 and can realize the transportation to the blank to when the blank is transported to the blank processing district, need not external force, the steel pole can easily be taken out under the blank along with flexible material loading subassembly decline back, realizes placing the blank processing district with the blank.

The lifting driving component is in screw transmission. Lifting drive subassembly includes inside hollow column spinner 6, set up second motor 61 on column spinner 6 and set up in the inside lead screw of being connected with the output of second motor 61 of column spinner 6, the both ends of lead screw are connected on column spinner 6, be provided with the nut seat on the lead screw, be equipped with two bar holes 64 along vertical direction on the side of column spinner 6, two bar holes 64 set up relatively, lifter 5 passes two bar holes 64 and with nut seat fixed connection, all be provided with slide 63 on two bar holes 64 length direction's the both sides, be provided with pulley 62 on lifter 5 on the position relative with slide 63, slide 63 pulley 62's setting makes lifter 5 can be stable reciprocating under the drive of lead screw and second motor 61, this simple structure, low in production precision, easy processing production, the production cost input is few.

The rotary driving assembly comprises a base 7, a rotary disk arranged in the base 7 and a driving assembly for driving the rotary disk to rotate, the driving assembly for driving the rotary disk to rotate is in gear transmission, the rotary column 6 is arranged on the rotary disk, the rotary column 6 rotates along with the rotation of the rotary disk, a lifting rod 5 connected with a lead screw inside the rotary column 6 rotates along with the rotary column 6, the lifting rod 5 moves up and down under the action of a second motor 61 of the lead screw, a telescopic rod 51 arranged inside the lifting rod 5 rotates and goes up and down along with the lifting rod 5, the telescopic rod 51 stretches out and draws back under the action of a gear rack, and therefore a material rotating tool 8 arranged at the end part of the telescopic assembly can carry and place blanks on the material rotating tool to a blank processing area through rotation, lifting and drawing back.

This transportation system simple structure, it can be through mechanical clamping jaw, transportation track and loading attachment with the blank from the complete mechanized transportation of blank output area to blank processing district, has realized the automatic transportation of high temperature blank, has improved production efficiency, has reduced the risk of high temperature blank to operating personnel injury.

Example 2

Referring to fig. 5, the present invention provides another feeding device, in this embodiment, the transportation system for transporting forging stocks is substantially the same as the transportation system for transporting forging stocks of embodiment 1, except that: the feeding device is a chain conveyor which is arranged between an external friction press and an external die forging hammer.

Loading attachment in embodiment 1 and the loading attachment in this embodiment can select for use according to the on-the-spot condition, and in this embodiment, mechanical clamping jaw transports the blank to the loading attachment that this embodiment provided, on the chain conveyor promptly, chain conveyor just reversing can transport the blank to friction press or on the peripheral hardware die forging hammer, has satisfied the demand of different operating modes.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a conveyor system for forging blank transportation which characterized in that, including be used for transporting the blank to the loading attachment in blank processing district, set up in blank delivery area with transport track between the loading attachment and hang in be used for pressing from both sides to get and transport the mechanical clamping jaw of blank on the transport track, mechanical clamping jaw slidable connect in on the transport track.

2. The transport system for transport of forged blanks as claimed in claim 1, wherein said transport track is provided with an electric block, said mechanical jaws being fixedly connected to a lower portion of said electric block.

3. The conveying system for conveying the forged blanks as claimed in claim 2, wherein the electric block is provided with a hall switch, two first magnets used for sensing the hall switch to control the hall switch to be switched on and off are arranged at intervals at positions of the conveying track corresponding to the blank output area, and two second magnets are arranged at intervals at positions of the conveying track corresponding to the feeding device.

4. The transportation system for transportation of a forging blank as set forth in claim 2, wherein the mechanical gripper comprises a gripping mechanism for gripping the forging blank and a telescopic assembly provided at an upper portion of the gripping mechanism for controlling the gripping mechanism to ascend and descend, and the gripping mechanism comprises a plurality of jaws disposed opposite to each other and a control assembly for controlling the plurality of jaws to cooperate with each other to grip or release the forging blank.

5. The transport system for transport of a forging blank as set forth in claim 4, wherein the telescopic assembly includes a first hydraulic cylinder and a connecting block connected to a piston rod end of the first hydraulic cylinder, the first hydraulic cylinder being provided with a pull rope sensor for monitoring a telescopic length of the first hydraulic cylinder, a pull rope of the pull rope sensor being attached to the connecting block.

6. The transport system for transportation of forged billets as claimed in any one of claims 1 to 5, wherein said feeding means is a chain conveyor provided between an external friction press and an external die hammer.

7. The transportation system for transporting forged blanks as claimed in any one of claims 1 to 5, wherein said feeding device comprises a material transferring tool for placing blanks, a transversely arranged telescopic feeding assembly for delivering the blanks on the material transferring tool to the blank processing area, a lifting driving assembly connected with said telescopic feeding assembly for driving the telescopic feeding assembly to lift, and a rotary driving assembly connected with said lifting driving assembly for driving the lifting driving assembly to rotate, said telescopic feeding assembly is in gear and rack transmission, said lifting driving assembly is in screw transmission, and said rotary driving assembly is in gear transmission.

8. The transportation system for transportation of forging blanks as recited in claim 7, wherein the telescopic feeding assembly comprises a first motor, a gear connected to an output end of the first motor, a rack engaged with the gear, a hollow lifting rod, and a telescopic rod disposed inside the lifting rod and having one end extending out of the lifting rod, the rack is fixedly connected to the telescopic rod, one end of the telescopic rod extending out of the lifting rod is fixedly connected to a material transferring tooth for placing blanks, one end of the lifting rod far away from the material transferring tooth is fixedly connected to a counterweight tray, and a plurality of counterweight blocks are placed on the counterweight tray.

9. The transportation system for transportation of forging billets as claimed in claim 8, wherein the cross section of said telescopic rod is a groove structure, said rack is fixedly connected to the bottom of the groove of said telescopic rod, a plurality of first guide pulleys are respectively disposed on two sides of the bottom of the interior of said lifting rod, the slot of said telescopic rod faces the bottom of said lifting rod, and two sides of the slot of said telescopic rod are disposed on said guide pulleys.

10. The conveying system for conveying the forging stock as recited in claim 8, wherein the lifting drive assembly comprises a rotating column which is hollow inside, a second motor which is arranged above the rotating column, and a screw which is arranged inside the rotating column and connected with an output end of the second motor, a nut seat is arranged on the screw, two strip-shaped holes are arranged on the side surface of the rotating column along the vertical direction and are opposite to each other, the lifting rod passes through the two strip-shaped holes and is fixedly connected with the nut seat, slide rails are arranged on two sides of the two strip-shaped holes in the length direction, and pulleys are arranged on the lifting rod at positions opposite to the slide rails.

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