CN210816922U

CN210816922U - Rod blank wedge-shaped die clamping and stretching forging machine

Info

Publication number: CN210816922U
Application number: CN201921688311.6U
Authority: CN
Inventors: 苏超; 熊佳乐; 丁子浩; 曾缘园; 葛李龙
Original assignee: Hunan Jingzhuan Automation Technology Co ltd
Current assignee: Hunan Jingzhuan Automation Technology Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-23
Anticipated expiration: 2029-10-10

Abstract

The utility model provides a tight tensile forging machine of pole class blank wedge clamp, including fixed plate and movable plate, the fixed plate outside is equipped with heating device, and the fixed plate inner face is equipped with first wedge. The inner surface of the moving plate is provided with a second wedge-shaped die, and the outer surface of the moving plate is connected with a driving device. The first wedge-shaped die clamps one end of the raw material rod through the matching of the first clamp, the second clamp and the first fastener. And the second wedge-shaped die clamps the other end of the raw material rod through the matching of the third clamp, the fourth clamp and the second fastener. The driving device drives the second wedge-shaped die to do linear reciprocating motion along the central axis direction of the raw material rod. The utility model discloses a fastening of wedge mould realizes pressing from both sides tightly the raw material stick both ends, and raw material stick one end is fixed to first wedge mould, and the second wedge mould passes through the drive arrangement drive, to the opposite direction motion of first wedge mould, realizes the drawing to the raw material stick, and the extrusion force cancellation of wedge mould realizes the raw material stick blanking after the drawing, labour saving and time saving, and production efficiency is high.

Description

Rod blank wedge-shaped die clamping and stretching forging machine

Technical Field

The utility model belongs to the technical field of hardware and tools makes, especially, relate to a tight tensile forging machine of pole class blank wedge mould clamp.

Background

The rod type hardware tools are general names of hardware tools, the appearance structures of the hardware tools are similar to those of the rod type hardware tools, most of the hardware tools work through special structures arranged at two ends, and a middle handheld part is slender, such as a single-end wrench, a double-end wrench, a solid wrench, a double offset ring spanner and the like.

For mature hardware tools, the price is low, how to improve the processing technology, improve the product quality and reduce the processing cost are important targets of all processing manufacturers, and how to realize efficient blank making in the processing of rod hardware tools is a necessary guarantee for efficient production.

The existing rod hardware tool manufacturing process is mostly made of round steel serving as a raw material through round steel blanking, pier nose heating, blank forging, mechanical cutting and grinding, and is various in process and low in work efficiency. The forging of the blank is the heavy of the whole process, the forging is not good, the consumption of raw materials is large, and the energy consumption is high.

The existing blank forging method is mainly characterized in that workers carry out manual forging through an air hammer and a hydraulic hammer, the automation degree is low, time and labor are wasted, in the forging process, the noise is high, the danger coefficient is high, and the production efficiency is low.

A small part of the raw materials are elongated to form blanks by matching the hydraulic press and the dies, but one set of dies can only manufacture one product. If a plurality of products are produced, a plurality of sets of dies need to be manufactured, and each set of die needs a hydraulic press matched with the die, so that the occupied area is large, and the production cost is high; if a plurality of sets of dies use one hydraulic press, the dies need to be frequently replaced, time and labor are wasted, the production efficiency is low, and the hydraulic press is not suitable for popularization and application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of providing a blank making machine; in particular to a rod blank wedge-shaped die clamping and stretching forging machine which has simple structure, high automation degree, small occupied area, wide application range, low cost and high efficiency.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a tight tensile forging machine of pole class blank wedge mould clamp, includes table surface, table surface is last to be equipped with fixed plate and movable plate perpendicularly, fixed plate and movable plate parallel arrangement, the fixed plate outside is equipped with heating device, heating device heating raw material rod, the fixed plate inner face is equipped with first wedge mould, the movable plate inner face is equipped with the second wedge mould, drive arrangement is connected to the movable plate outside, first wedge mould with the second wedge mould sets up relatively between fixed plate and the movable plate, first wedge mould includes first anchor clamps and second anchor clamps, first anchor clamps are fixed to be set up in the fixed plate inner face, second anchor clamps parallel arrangement is in first anchor clamps top, first anchor clamps with the second anchor clamps press from both sides tight raw material rod one end through the cooperation of first fastener, the second wedge mould includes third anchor clamps and fourth anchor clamps, the fourth anchor clamps are fixed to be set up the movable plate inner face, the third anchor clamps parallel are arranged in the fourth anchor clamps top, the third anchor clamps with the fourth anchor clamps pass through the cooperation of second fastener and press from both sides tightly the stub bar other end, the drive arrangement drive the second wedge mould along straight reciprocating motion is to the stub bar axis direction.

Further, be equipped with design mould on the anchor clamps, design mould includes first design mould and second design mould, first design mould with second design mould is complete set respectively and sets up, first design mould with second design mould is right respectively the tight design in raw material stick both ends clamp, first design mould is arranged in on the first wedge mould, second design mould is arranged in on the second wedge mould.

Further, the first fixed die comprises a first fixed die and a first movable die, the first fixed die is arranged on the first clamp, the first movable die is arranged on the second clamp, the second fixed die comprises a second fixed die and a second movable die, the second fixed die is arranged on the fourth clamp, and the second movable die is arranged on the third clamp.

Further, the shaping mold is movably arranged on the clamp.

Further, the first wedge-shaped die is a square cylinder, the upper surface of the first clamp is provided with a first plane and a second plane, the first plane is connected with the second plane through a first inclined plane, the first plane is arranged above the second plane, the second clamp is a right-angled trapezoid cylinder, the trapezoid inclined plane of the second clamp is arranged opposite to the first inclined plane, the trapezoid short parallel side of the second clamp is arranged opposite to the second plane, the first fastener is a screw rod and a nut, threaded connection holes are arranged on the first clamp and the second clamp, the screw rod is arranged in the threaded connection holes, and the first fastener enables the first clamp and the second clamp to have two states,

in a first state, the first fastener is not fastened, and the first clamp is movably connected with the second clamp;

and in a second state, the first fastening piece is fastened, and the second clamp is fixedly connected with the first clamp to clamp the raw material rod.

Further, the second wedge-shaped die is the same as the first wedge-shaped die in structure.

Furthermore, a travel switch is arranged on the working table surface and controls the reciprocating distance of the driving device.

Furthermore, the bottoms of the first wedge-shaped die and the second wedge-shaped die are provided with lifting devices, and the lifting devices assist in clamping the raw material rod.

Furthermore, a baffle is vertically arranged on the working table surface, the baffle is parallel to the fixed plate and the movable plate respectively, the baffle is arranged between the movable plate and the driving device, and the movable plate is arranged between the fixed plate and the baffle.

Further, a guide post is arranged between the fixed plate and the baffle plate, the guide post penetrates through the movable plate, the movable plate is connected with the driving device, and the driving device penetrates through the baffle plate.

The utility model has the advantages and positive effects that:

1. the utility model has the advantages of being simple in structure, and convenient for operation, heat the feed rod through heating device, fastening through the wedge mould, the realization is tight to the clamp at heating back feed rod both ends, the fixed feed rod one end of first wedge mould, the second wedge mould passes through the drive arrangement drive, to the opposite direction motion of first wedge mould, realize the drawing to the feed rod after heating, the tensile completion back of feed rod, relax through the wedge mould, the extrusion force cancellation, realize the feed rod blanking after the drawing, reciprocating motion is done to the second wedge mould in baffle and fixed plate, the realization is tight to the clamp of feed rod, tensile, the process of unloading, degree of automation is high, time saving and labor saving, blank manufacturing in-process potential safety hazard is little, and high production efficiency.

2. The utility model discloses a set up design mould on anchor clamps, can carry out tensile while to raw material stick, stereotype to raw material stick both ends, can stereotype both ends, also can stereotype one end, can stereotype for the board type, also can stereotype for spherical, can stereotype one, also can stereotype many. The shaping mold is simple in structure, low in manufacturing cost, convenient to install, capable of adjusting the shaping style and the shaping quantity of the shaping mold at any time according to the requirements of machined parts, wide in application range, high in practicability and suitable for popularization and application.

3. The utility model discloses a wedge mould realizes a series of processes such as the material loading of raw material stick, clamp tightly, unload, and the elasticity between the adjustable relative anchor clamps of wedge mould is applicable to the raw material stick of multiple specification, and the installation of the design mould of being convenient for has simultaneously improved production efficiency, and the range of application is wide, and the practicality is strong.

4. The utility model discloses a tight feed rod is pressed from both sides in the assistance of elevating gear, and when feed rod at the tight in-process of clamp, elevating gear risees, and elevating gear provides the supporting role to the feed rod bottom surface, has reduced the influence that feed rod self gravity caused, has improved and has pressed from both sides tight precision, treats that clamping device presss from both sides tight back, and elevating gear descends, and the movable plate of being convenient for removes, and elevating gear has improved the tight precision of feed rod clamp efficiency machine clamp, provides the assurance for the qualification rate of tensile system base.

5. The utility model discloses a travel switch sets up drive arrangement's reciprocal stroke to the reciprocal stroke of control movable plate realizes setting up multiple specification to the control of raw material stick tensile length, is suitable for the pole class hardware and tools system base of multiple length, simple structure, convenient operation, low in production cost, and the range of application is wide, and production efficiency is high.

6. The utility model discloses a transmission realizes avoiding scalding the staff in the former excellent transportation of raw materials transportation to the transportation of heating former excellent, has reduced the potential safety hazard, has improved work efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a second operation state diagram of the embodiment of the present invention.

Fig. 3 is a first operation state diagram of the embodiment of the present invention.

Fig. 4 is a third operating state diagram of the embodiment of the present invention.

Fig. 5 is a fourth operation state diagram according to the embodiment of the present invention.

Fig. 6 is a schematic structural view of a shaping mold according to an embodiment of the present invention.

Fig. 7 is a first operating state diagram of the wedge-shaped die according to the embodiment of the present invention.

Fig. 8 is a second operating state diagram of the wedge-shaped die according to the embodiment of the present invention.

The reference numbers illustrate:

1. working table top 2, driving device 3 and baffle

4. Guide post 5, moving plate 6 and second wedge-shaped die

7. Shaping mold 8, fastener 9 and first wedge-shaped mold

10. Fixing plate 11, heating device 12 and heating pipe

13. Placing pipe 14, frame 15 and lifting device

16. Raw material rod 17, first clamp 18 and second clamp

19. Third clamp 20, fourth clamp 21, first fastener

22. Second fastener 23, first design mould 24, second design mould

25. First fixed die 26, first movable die 27 and second fixed die

28. A second movable die 29, a shaping groove 30 and a first plane

31. Second plane 32, first inclined plane 33, trapezoidal inclined plane

34. Short parallel side faces of the trapezoid.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes a rod blank wedge-shaped die clamping and stretching forging machine in detail with reference to the accompanying drawings.

As shown in figure 1, the wedge-shaped die clamping and stretching forging machine for the rod-like blank comprises a working table surface 1, wherein a fixed plate 10 and a movable plate 5 are vertically arranged on the working table surface 1. The fixed plate 10 is disposed parallel to the moving plate 5. A heating device 11 is arranged outside the fixing plate 10, the heating device 11 heats the raw material rod 16, and a first wedge-shaped die 9 is arranged inside the fixing plate 10. The inner surface of the moving plate 5 is provided with a second wedge-shaped die 6, and the outer surface of the moving plate 5 is connected with the driving device 2. The first wedge-shaped die 9 and the second wedge-shaped die 6 are oppositely arranged between the fixed plate 10 and the moving plate 5.

As shown in fig. 2, the first wedge-shaped die 9 includes a first clamp 17 and a second clamp 18, the first clamp 17 is fixedly disposed on the inner surface of the fixing plate 10, the second clamp 18 is disposed in parallel above the first clamp 17, and the first clamp 17 and the second clamp 18 cooperate to clamp one end of the raw material rod 16 through a first fastener 21. The second wedge-shaped die 6 comprises a third clamp 19 and a fourth clamp 20, the fourth clamp 20 is fixedly arranged on the inner surface of the moving plate 5, the third clamp 19 is arranged above the fourth clamp 20 in parallel, and the third clamp 19 and the fourth clamp 20 are matched with each other through a second fastener 22 to clamp the other end of the raw material rod 16. The driving device 2 drives the second wedge-shaped die 6 to do linear reciprocating motion along the central axis direction of the raw material rod 16.

Preferably, a frame 14 is arranged below the working table top 1, and the frame 14 is high and suitable for an operator to operate. The heating device 11 heats the raw material rod 16 and then feeds it into the jig. The heating device 11 is a variety of devices that accomplish heating of the feedstock bar 16. The heating device 11 provided by the embodiment comprises a placing pipe 13 and a heating pipe 12, wherein the heating pipe 12 is arranged on the outer surface of the placing pipe 13 in a disc shape, the placing pipe 13 is made of toughened glass, a raw material rod 16 is arranged in the placing pipe 13, and the raw material rod 16 inside is heated through the heating pipe 12.

Preferably, the table 1 is provided with a driving means which is various means for transferring the raw material bar 16 from the heating means 11 into the jig. The purpose is to avoid scalding workers in the transportation process of the raw material rod 16, reduce the potential safety hazard and improve the working efficiency. The transmission may be a robotic arm. And various mechanical transmission devices matched with the push rod and the push plate can also be adopted.

The driving device 2 cooperates with the first fastener 21 and the second fastener 22 to provide the first clamp 17, the second clamp 18, the third clamp 19 and the fourth clamp 20 with four rest states.

As shown in fig. 3, in the first state, the driving device 2 is in the proximal position, the distance between the first wedge-shaped die 9 and the second wedge-shaped die 6 is minimal, the first fastening member 21 and the second fastening member 22 are not fastened, the first clamp 17 and the second clamp 18 are movably connected, and the third clamp 19 and the fourth clamp 20 are also movably connected. The distance between the first wedge mould 9 and the second wedge mould 6 is less than the length of the stock bar 16, the stock bar 16 is not fastened between the first clamp 17 and the second clamp 18, and the stock bar 16 is likewise not fastened between the third clamp 19 and the fourth clamp 20.

As shown in fig. 2, in the second state, the driving means 2 is in the proximal position, the distance between the first wedge die 9 and the second wedge die 6 is minimal, the first fastening member 21 and the second fastening member 22 are fastened, the raw material bar 16 is pressed between the first clamp 17 and the second clamp 18, and the distance between the third clamp 19 and the fourth clamp 20 is likewise minimal. The distance between the first wedge-shaped die 9 and the second wedge-shaped die 6 is smaller than the length of the raw material rod 16, one end of the raw material rod 16 is fastened by the first clamp 17 and the second clamp 18, and the other end of the raw material rod 16 is fastened by the third clamp 19 and the fourth clamp 20. At this time, the raw material rod 16 is tightly clamped in the jig.

In the third state, as shown in fig. 4, the driving means 2 is in the distal position, the distance between the first wedge die 9 and the second wedge die 6 is the largest, the first fastening member 21 and the second fastening member 22 are fastened, the raw material bar 16 is pressed between the first clamp 17 and the second clamp 18, and the distance between the third clamp 19 and the fourth clamp 20 is also pressed to the smallest. The distance between the first wedge-shaped die 9 and the second wedge-shaped die 6 is larger than the length of the raw material rod 16, one end of the raw material rod 16 is fastened by the first clamp 17 and the second clamp 18, and the other end of the raw material rod 16 is fastened by the third clamp 19 and the fourth clamp 20. At this time, the raw material rod 16 is stretched in the longitudinal direction while being tightly clamped.

In the fourth state, as shown in fig. 5, the driving device 2 is in the distal position, the distance between the first wedge-shaped die 9 and the second wedge-shaped die 6 is the largest, the first fastening member 21 and the second fastening member 22 are not fastened, the first clamp 17 is movably connected with the second clamp 18, and the third clamp 19 is also movably connected with the fourth clamp 20. The distance between the first wedge mould 9 and the second wedge mould 6 is greater than the length of the stock bar 16, the stock bar 16 is not fastened between the first clamp 17 and the second clamp 18, and the stock bar 16 is likewise not fastened between the third clamp 19 and the fourth clamp 20. At this time, the stretched raw material rod 16 is easily detached from the jig.

The above four states are alternately and cyclically changed to realize the drawing and blank-making of the raw material rod 16.

Preferably, the bottom of the jig is provided with a lifting device 15, and the lifting device 15 assists the jig in clamping the raw material rod 16. In the first state, when the raw material rod 16 is tightly clamped by the wedge-shaped die, the lifting device 15 is lifted, the lifting device 15 provides a supporting function for the bottom surface of the raw material rod 16, the influence caused by the gravity of the raw material rod 16 is reduced, and the clamping precision is improved. After the clamp is clamped, namely in the second state, the lifting device 15 descends, so that the moving plate 5 can move conveniently, the lifting device 15 improves the clamping efficiency and the clamping precision of the raw material rod 16, and the qualification rate of the stretching blank is guaranteed.

Preferably, a travel switch is arranged on the working table top 1, and the travel switch controls the reciprocating distance of the driving device 2. Also can set up stop device, restriction drive arrangement 2's reciprocal stroke to the reciprocal stroke of control second wedge mould 6 realizes setting up multiple specification to the control of 16 tensile length of raw material stick, is suitable for the pole class hardware and tools system base of multiple length, simple structure, convenient operation, low in production cost, the range of application is wide, and production efficiency is high.

Preferably, the fixture is provided with a shaping mold 7, and the shaping mold 7 includes a first shaping mold 23 and a second shaping mold 24. The first shaping mold 23 and the second shaping mold 24 are respectively arranged in a set, the first shaping mold 23 and the second shaping mold 24 are respectively used for clamping and shaping two ends of the raw material rod 16, the first shaping mold 23 is arranged on the first wedge-shaped mold 9, and the second shaping mold 24 is arranged on the second wedge-shaped mold 6.

As shown in fig. 5, the first fixing mold 23 includes a first fixed mold 25 and a first movable mold 26, the first fixed mold 25 being disposed on the first jig 17, and the first movable mold 26 being disposed on the second jig 18. The second fixing mold 24 includes a second fixed mold 27 and a second movable mold 28, the second fixed mold 27 being disposed on the fourth jig 20, and the second movable mold 28 being disposed on the third jig 19.

Preferably, the shaping mold 7 is movably arranged on the clamp, so that the maintenance and the replacement are convenient. And the shaping mold has simple structure, low manufacturing cost and convenient installation. As shown in fig. 6, the shaping mold 7 is provided with shaping grooves 29, and the shaping grooves 29 can shape both end portions of the raw material bar 16 in the drawing process. The shaping groove 29 is plural. The plurality of shaping grooves 29 includes various specifications. The shaping style and the shaping quantity of the shaping groove 29 can be adjusted at any time according to the requirements of the machined piece, the production cost is low, and the application range is wide.

The shaping die 7 can perform shaping on both ends of the raw material bar 16 while stretching the raw material bar 16. The shaping mould 7 can simultaneously shape both ends of the raw material rod 16, and can also select one end of the raw material rod 16; the shaping mould 7 can shape the raw material rod 16 into a plate shape, a spherical shape and various shapes required by processing the raw material rod 16; the shaping die 7 may be configured to shape one raw material bar 16, or may be configured to shape a plurality of raw material bars 16. The shaping mold 7 is simple in structure, low in manufacturing cost, convenient to install, capable of adjusting the shaping style and the shaping quantity of the shaping mold 7 at any time according to the requirements of machined parts, wide in application range, high in practicability and suitable for popularization and application.

The working table top 1 is vertically provided with a baffle 3, the baffle 3 is respectively parallel to the fixed plate 10 and the moving plate 5, the baffle 3 is arranged between the moving plate 5 and the driving device 2, and the moving plate 6 is arranged between the fixed plate 10 and the baffle 3. Guide posts 4 are arranged between the fixing plate 10 and the baffle 3, the guide posts 4 regulate the linear motion of the second wedge-shaped die 6 relative to the first wedge-shaped die 9, one guide post 4 can be used, and a plurality of guide posts 4 can penetrate through the moving plate 5. One side of the fixed plate 10 is connected with the heating device 11, the other side of the fixed plate 10 is provided with a first wedge-shaped die 9, one side of the movable plate 5 is provided with a second wedge-shaped die 6, the other side of the movable plate 5 is connected with the driving device 2, and the first wedge-shaped die 9 and the second wedge-shaped die 6 are oppositely arranged between the fixed plate 10 and the movable plate 5. The moving plate 5 is connected with the driving device 2, and the driving device 2 penetrates through the baffle 3.

The driving device 2 is a device for driving the moving plate 5 to reciprocate, the driving device 2 can be a driving motor or a hydraulic rod, the hydraulic rod penetrates through the baffle 3 and is connected with the moving plate 5, and one or more hydraulic rods can be used.

The fastener 8 is a device for realizing the fastening of the first wedge-shaped die 9 and the second wedge-shaped die 6, so that the tightness between the first clamp 17 and the second clamp 18 or between the third clamp 19 and the fourth clamp 20 is changed, a series of processes such as feeding, clamping and discharging of the raw material rod 16 are realized, the tightness between the opposite clamps can be adjusted by the fastener 8, the device is suitable for the raw material rods 16 with various specifications, and meanwhile, the installation of the shaping die 7 is facilitated.

The fastener 8 may have a variety of configurations, and the present embodiment provides a configuration in which the first fastener 21 is identical to the second fastener 22. As shown in fig. 7, the first wedge-shaped die 9 is a square cylinder, the upper surface of the first clamp 17 is provided with a first plane 30 and a second plane 31, the first plane 30 and the second plane 31 are connected through a first inclined surface 32, and the first plane 30 is disposed above the second plane 31. The second clamp 18 is a right-angled trapezoidal cylinder, the trapezoidal inclined surface 33 of the second clamp 18 is arranged opposite to the first inclined surface 32, and the trapezoidal short parallel side surface 34 of the second clamp 18 is arranged opposite to the second plane 31. The first fastening piece 21 is a screw and a nut, the first clamp 17 and the second clamp 18 are both provided with threaded connecting holes, the screw is arranged in the threaded connecting holes, and the first fastening piece 21 enables the first clamp 17 and the second clamp 18 to have two states.

As shown in fig. 7, in the first state, the first fastening member 21 is not fastened, and the first clamp 17 is movably connected with the second clamp 18.

As shown in fig. 8, in the second state, the first fastening member 21 is fastened, and the second jig 18 and the first jig 17 are fixedly connected to each other, thereby clamping the raw material bar 16.

The utility model discloses a theory of operation is:

the raw material rod 16 heated by the heating device 11 is conveyed to the jig device via the transmission device.

And (4) loosening the first fastening piece 21 and the second fastening piece 22, and installing the shaping die 7 required by shaping two ends of the workpiece. The lifting device 15 is lifted, the lifting device 15 provides a supporting effect for the bottom surface of the raw material rod 16, the influence caused by the self gravity of the raw material rod 16 is reduced, and the clamping precision is improved. The first fastening member 21 and the second fastening member 22 are fastened together with the elevating device 15, so that one end of the raw material rod 16 is clamped between the second jig 18 and the first jig 17, and the other end of the raw material rod 16 is clamped between the third jig 19 and the fourth jig 20, whereby the raw material rod 16 is clamped and the elevating device 15 is lowered.

The driving device 2 drives the moving plate 5 to move in a direction away from the fixed plate 10, the moving plate 5 is sleeved on the guide post 4 to do linear motion, and when the moving plate 5 contacts the baffle 3, the linear motion stops. In the moving process of the moving plate 5, the second wedge-shaped die 6 clamps one end of the raw material rod 16 for stretching movement, after the linear movement is stopped, the first fastening piece 21 and the second fastening piece 22 are loosened, and the stretched raw material rod 16 falls off from the clamping device.

The first fastening piece 21 and the second fastening piece 22 are always in a loosened state, the driving device 2 drives the moving plate 5 to move towards the direction close to the fixed plate 10, the moving plate 5 is sleeved on the guide post 4 to do linear motion, and when the second wedge-shaped die 6 moves to the initial position, the linear motion is stopped.

The above steps are repeated, and the blank making work can be continuously finished.

The working principle of the first fastening member 21 and the second fastening member 22 is as follows:

The utility model has the advantages and positive effects that:

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a pole class blank wedge-shaped die presss from both sides tight tensile forging machine, includes table surface, its characterized in that: the working table is vertically provided with a fixed plate and a movable plate, the fixed plate and the movable plate are arranged in parallel, a heating device is arranged outside the fixed plate, the heating device heats a raw material rod, a first wedge-shaped die is arranged on the inner surface of the fixed plate, a second wedge-shaped die is arranged on the inner surface of the movable plate, a driving device is connected outside the movable plate, the first wedge-shaped die and the second wedge-shaped die are oppositely arranged between the fixed plate and the movable plate, the first wedge-shaped die comprises a first clamp and a second clamp, the first clamp is fixedly arranged on the inner surface of the fixed plate, the second clamp is arranged above the first clamp in parallel, the first clamp and the second clamp are matched with each other through a first fastener to clamp one end of the raw material rod, the second wedge-shaped die comprises a third clamp and a fourth clamp, and the fourth clamp is fixedly arranged on the inner surface of the, the third clamp is arranged in parallel above the fourth clamp, the third clamp and the fourth clamp are matched and clamped through a second fastener to clamp the other end of the raw material rod, and the driving device drives the second wedge-shaped die to do linear reciprocating motion along the central axis direction of the raw material rod.

2. The bar-like blank wedge-die clamping stretch forging machine according to claim 1, wherein: be equipped with the design mould on the anchor clamps, the design mould includes first design mould and second design mould, first design mould with the second design mould is complete set respectively and sets up, first design mould with the second design mould is right respectively the tight design in raw materials stick both ends clamp, first design mould is arranged in on the first wedge, the second design mould is arranged in on the second wedge.

3. The bar-like blank wedge-die clamping stretch forging machine according to claim 2, wherein: the first fixed die comprises a first fixed die and a first movable die, the first fixed die is arranged on the first clamp, the first movable die is arranged on the second clamp, the second fixed die comprises a second fixed die and a second movable die, the second fixed die is arranged on the fourth clamp, and the second movable die is arranged on the third clamp.

4. The bar-type billet wedge-die clamping stretch forging machine according to claim 2 or 3, wherein: the shaping mold is movably arranged on the clamp.

5. The bar-type billet wedge-die clamping stretch forging machine according to any one of claims 1 to 3, wherein: the first wedge-shaped die is a square cylinder, a first plane and a second plane are arranged on the upper surface of the first clamp, the first plane is connected with the second plane through a first inclined plane, the first plane is arranged above the second plane, the second clamp is a right-angled trapezoid cylinder, the trapezoid inclined plane of the second clamp is opposite to the first inclined plane, the trapezoid short parallel edge of the second clamp is opposite to the second plane, the first fastener is a screw and a nut, threaded connecting holes are formed in the first clamp and the second clamp, the screw is arranged in the threaded connecting holes, and the first fastener enables the first clamp and the second clamp to have two states,

6. The bar-like blank wedge-die clamping stretch forging machine according to claim 5, wherein: the second wedge-shaped die is the same as the first wedge-shaped die in structure.

7. The bar-type billet wedge-die clamping stretch forging machine according to any one of claims 1 to 3, wherein: the working table is provided with a travel switch, and the travel switch controls the reciprocating distance of the driving device.

8. The bar-type billet wedge-die clamping stretch forging machine according to any one of claims 1 to 3, wherein: and lifting devices are arranged at the bottoms of the first wedge-shaped die and the second wedge-shaped die and assist in clamping the raw material rod.

9. The wedge-die clamping stretch-forging machine for bar-like billets as claimed in any one of claims 1 to 3 or 6, wherein: the worktable is characterized in that a baffle is vertically arranged on the worktable surface, the baffle is respectively parallel to the fixed plate and the movable plate, the baffle is arranged between the movable plate and the driving device, and the movable plate is arranged between the fixed plate and the baffle.

10. The bar-like blank wedge-die clamping stretch forging machine according to claim 9, wherein: a guide post is arranged between the fixed plate and the baffle plate, the guide post penetrates through the movable plate, the movable plate is connected with the driving device, and the driving device penetrates through the baffle plate.