CN210816922U - A rod-like blank wedge die clamping and drawing forging machine - Google Patents

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

A rod-like blank wedge die clamping and drawing forging machine

technical field

The utility model belongs to the technical field of hardware tool manufacturing, in particular to a rod-type blank wedge die clamping and drawing forging machine.

Background technique

Rod hardware tools are a general term for a type of hardware tools. Their shape and structure are similar to rods. Most of them work through special structures provided at both ends. Wait.

For mature hardware tools, the price is low. How to improve processing technology, improve product quality and reduce processing costs is an important goal of all processing manufacturers, and how to achieve efficient blanking in the processing of rod hardware tools is a necessary guarantee for efficient production .

Most of the existing rod-type hardware tool manufacturing processes use round steel as the raw material, and are formed by blanking the round steel, heating the pier head, forging the blank, and then performing mechanical cutting and grinding. The process is numerous and the work efficiency is low. The blank forging is the most important part of the whole process. The forging is not good, the raw material consumption is large, and the energy consumption is high.

Most of the existing blank forging methods are manual forging by air hammers and hydraulic hammers, which is low in automation, time-consuming and labor-intensive. In the forging process, the noise is large, the risk factor is high, and the production efficiency is low.

A small number of molds are installed by hydraulic presses, and the raw materials are elongated and blanked by the cooperation of hydraulic presses and molds, but a set of molds can only produce one product. If you want to produce a variety of products, you need to make multiple sets of molds. Each mold needs to be matched with a hydraulic press, which covers a large area and has high production costs. If multiple molds use one hydraulic press, you need to replace the mold frequently, which is time-consuming and labor-intensive. , the production efficiency is low, and it is not suitable for promotion and application.

Utility model content

The problem to be solved by the utility model is to provide a blank making machine; in particular, a rod-type blank wedge die clamping and stretching with simple structure, high degree of automation, small footprint, wide application range, low cost and high efficiency forging machine.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present utility model is: a rod-type blank wedge-shaped die clamping and drawing forging machine, which includes a working table, and a fixed plate and a moving plate are vertically arranged on the working table. The fixed plate is arranged in parallel with the moving plate, the outer surface of the fixed plate is provided with a heating device, and the heating device heats the raw material rods, the inner surface of the fixed plate is provided with a first wedge-shaped die, and the inner surface of the movable plate is provided with a second wedge-shaped mold A driving device is connected to the outside of the moving plate, the first wedge-shaped mold and the second wedge-shaped mold are oppositely arranged between the fixed plate and the moving plate, and the first wedge-shaped mold includes a first clamp and A second clamp, the first clamp is fixedly arranged on the inner surface of the fixing plate, the second clamp is placed in parallel above the first clamp, and the first clamp and the second clamp are connected by a first fastener Clamping one end of the raw material bar, the second wedge die includes a third clamp and a fourth clamp, the fourth clamp is fixedly arranged on the inner surface of the moving plate, and the third clamp is parallel to the fourth clamp Above the clamp, the third clamp and the fourth clamp cooperate with the second fastener to clamp the other end of the raw material bar, and the driving device drives the second wedge die along the direction of the central axis of the raw material bar Do a straight reciprocating motion.

Further, the fixture is provided with a shaping die, the shaping die includes a first shaping die and a second shaping die, the first shaping die and the second shaping die are respectively set in sets, the first shaping die The shaping die and the second shaping die respectively clamp and shape the two ends of the raw material bar, the first shaping die is placed on the first wedge-shaped die, and the second shaping die is placed on the first wedge die. Two wedges on the die.

Further, the first fixed mold includes a first fixed mold and a first movable mold, the first fixed mold is arranged on the first fixture, and the first movable mold is arranged on the second fixture , the second shaping die includes a second fixed die and a second movable die, the second fixed die is arranged on the fourth fixture, and the second movable die is arranged on the third fixture.

Further, the shaping die is movably arranged on the fixture.

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 and the second plane are connected by a first inclined plane, and the The first plane is placed above the second plane, the second fixture is a right-angled trapezoidal cylinder, the trapezoidal slope of the second fixture is opposite to the first slope, and the trapezoid short parallel sides of the second fixture are Opposite to the second plane, the first fastener is a screw rod and a nut, the first clamp and the second clamp are provided with threaded connection holes, and the screw rod is placed in the threaded connection holes Inside, the first fastener makes the first clamp and the second clamp have two states,

In the first state, the first fastener is not fastened, and the first clamp and the second clamp are movably connected;

In the second state, the first fastener is fastened, the second clamp is fixedly connected with the first clamp, and the raw material rod is clamped.

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

Further, a travel switch is provided on the work surface, and the travel switch controls the reciprocating distance of the driving device.

Further, a lifting device is provided at the bottom of the first wedge-shaped die and the second wedge-shaped die, and the lifting device assists the clamping of the raw material bar.

Further, a baffle plate is vertically arranged on the working table, the baffle plate is respectively parallel to the fixed plate and the moving plate, and the baffle plate is placed between the moving plate and the driving device, so The moving plate is placed 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 the moving plate, the moving plate is connected to the driving device, and the driving device penetrates the baffle plate .

The advantages and positive effects that the utility model has are:

1. The utility model has a simple structure and is easy to operate. The raw material rod is heated by the heating device, and the two ends of the heated raw material rod are clamped by the fastening of the wedge-shaped die. The first wedge-shaped die fixes one end of the raw material rod, and the second wedge-shaped die The die is driven by the driving device and moves in the opposite direction of the first wedge die to realize the stretching of the heated raw material rod. After the raw material rod is stretched, the wedge die is loosened and the extrusion force is cancelled to realize the stretched raw material. Bar blanking, the second wedge-shaped die reciprocates in the baffle plate and the fixed plate to realize the clamping, stretching and unloading processes of the raw material bar, which has a high degree of automation, saves time and labor, and has little safety hazard during the blanking process. high productivity.

2. By setting the shaping die on the fixture, the utility model can shape the two ends of the raw material rod while stretching the raw material rod. The two ends can be shaped, and one end can be shaped. It is shaped into a spherical shape, and it can be shaped into one or more than one. The stereotyped mold has simple structure, low production cost and convenient installation. According to the requirements of the processed parts, the stereotyped style and number of stereotypes can be adjusted at any time. It has a wide range of applications and strong practicability, and is suitable for popularization and application.

3. The utility model realizes a series of processes such as feeding, clamping, and unloading of the raw material bar through the wedge-shaped die. The wedge-shaped die can adjust the tightness between the relative clamps, which is suitable for raw material bars of various specifications, and at the same time, it is convenient to use. The installation of the setting mold improves the production efficiency, and has a wide range of applications and strong practicability.

4. The utility model uses the lifting device to assist the clamping of the raw material bar. When the raw material bar is being clamped, the lifting device rises, and the lifting device provides a support for the bottom surface of the raw material bar, reducing the influence of the raw material bar's own gravity. , Improve the clamping accuracy. After the clamping device is clamped, the lifting device is lowered to facilitate the movement of the moving plate. The lifting device improves the clamping efficiency of the raw material bar and the clamping accuracy of the machine, which provides a guarantee for the qualification rate of drawing blanks.

5. The utility model sets the reciprocating stroke of the driving device through the stroke switch, so as to control the reciprocating stroke of the moving plate and realize the control of the stretching length of the raw material rod. Various specifications can be set, and it is suitable for the blanking of rod-type hardware tools of various lengths. , the structure is simple, the operation is convenient, the production cost is low, the application range is wide, and the production efficiency is high.

6. The utility model realizes the transportation of the heated raw material rods through the transmission device, so as to avoid scalding the staff during the transportation of the raw material rods, reduce the hidden danger of safety and improve the working efficiency.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.

FIG. 2 is a second working state diagram of the embodiment of the present invention.

FIG. 3 is a first working state diagram of the embodiment of the present invention.

FIG. 4 is a third working state diagram of the embodiment of the present invention.

FIG. 5 is a fourth working state diagram of the embodiment of the present invention.

FIG. 6 is a schematic view of the structure of a shaping die according to an embodiment of the present invention.

FIG. 7 is a first working state diagram of the wedge die according to the embodiment of the present invention.

8 is a second working state diagram of the wedge die according to the embodiment of the present invention.

Description of reference numbers:

1. Working table 2. Driving device 3. Baffle

4. Guide post 5. Moving plate 6. Second wedge die

7. Forming die 8. Fasteners 9. The first wedge die

10. Fixed plate 11. Heating device 12. Heating tube

13. Placement tube 14. Rack 15. Lifting device

16. Raw material bar 17. The first fixture 18. The second fixture

19. The third clamp 20, the fourth clamp 21, the first fastener

22. The second fastener 23. The first shaping die 24. The second shaping die

25. The first fixed mold 26. The first movable mold 27. The second fixed mold

28. The second movable die 29. The shaping groove 30. The first plane

31. Second plane 32. First inclined plane 33. Trapezoidal inclined plane

34. Trapezoid with short parallel sides.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within 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" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The following is a detailed description of a rod-like blank wedge die clamping and drawing forging machine provided by the present invention with reference to the accompanying drawings.

As shown in FIG. 1 , a rod-like blank wedge-shaped die clamping and drawing forging machine includes a work table 1 , and a fixed plate 10 and a moving plate 5 are vertically arranged on the work table 1 . The fixed plate 10 is arranged in parallel with the moving plate 5 . A heating device 11 is provided outside the fixing plate 10 , the heating device 11 heats the raw material rod 16 , and a first wedge-shaped die 9 is arranged on the inner surface of the fixing plate 10 . The inner surface of the moving plate 5 is provided with a second wedge die 6 , and the outer surface of the moving plate 5 is connected to the driving device 2 . The first wedge-shaped die 9 and the second wedge-shaped die 6 are disposed between the fixed plate 10 and the moving plate 5 opposite to each other.

As shown in FIG. 2 , the first wedge die 9 includes a first clamp 17 and a second clamp 18 , the first clamp 17 is fixedly arranged on the inner surface of the fixing plate 10 , the second clamp 18 is placed 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 bar 16 through the first fastener 21 . The second wedge die 6 includes 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 placed in parallel above the fourth clamp 20 , the third clamp 19 and the fourth clamp 20 The other end of the raw material rod 16 is clamped by the second fastener 22 . The driving device 2 drives the second wedge die 6 to reciprocate linearly along the central axis direction of the raw material bar 16 .

Preferably, a rack 14 is provided under the work surface 1, and the rack 14 is highly suitable for the operator to operate. The heating device 11 heats the raw material rod 16 and sends it to the jig. The heating device 11 is various devices that realize heating of the raw material rod 16 . The heating device 11 provided in this embodiment includes a placement tube 13 and a heating tube 12. The heating tube 12 is placed in a disc shape on the outer surface of the placement tube 13, the placement tube 13 is made of tempered glass, and the raw material rod 16 is placed in the placement tube 13. The heating tube 12 heats the raw material rod 16 inside.

Preferably, the working table 1 is provided with a transmission device, and the transmission device is various devices for transferring the raw material rod 16 from the heating device 11 to the fixture. The purpose is to avoid scalding the staff during the transportation of the raw material bar 16, reduce the hidden danger of safety, and improve the work efficiency. The transmission device may be a robotic arm. It can also be matched with various mechanical transmission devices for the push rod and push plate.

The driving device 2 cooperates with the first fastener 21 and the second fastener 22 , so that the first clamp 17 , the second clamp 18 , the third clamp 19 and the fourth clamp 20 have four static states.

As shown in FIG. 3 , in the first state, the driving device 2 is in the near position, the distance between the first wedge die 9 and the second wedge die 6 is the smallest, and the first fastener 21 and the second fastener 22 are not tightened. 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 die 9 and the second wedge die 6 is smaller than the length of the raw material bar 16, the raw material bar 16 is not fastened between the first clamp 17 and the second clamp 18, and the third clamp 19 and the fourth clamp 20. The stock bar 16 is also not fastened.

As shown in FIG. 2 , in the second state, the driving device 2 is in the near position, the distance between the first wedge die 9 and the second wedge die 6 is the smallest, and the first fastener 21 and the second fastener 22 are fastened , the raw material bar 16 is extruded 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 extruded to a minimum. The distance between the first wedge die 9 and the second wedge die 6 is smaller than the length of the raw material bar 16, the first clamp 17 and the second clamp 18 fasten one end of the raw material bar 16, and the third clamp 19 and the fourth clamp 20 also fasten the raw material The other end of the rod 16. At this time, the raw material bar 16 is tightly clamped in the jig.

As shown in FIG. 4 , in the third state, the driving device 2 is in the remote position, the distance between the first wedge die 9 and the second wedge die 6 is the largest, and the first fastener 21 and the second fastener 22 are fastened , the raw material bar 16 is extruded 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 extruded to a minimum. The distance between the first wedge die 9 and the second wedge die 6 is greater than the length of the raw material bar 16. The first clamp 17 and the second clamp 18 fasten one end of the raw material bar 16, and the third clamp 19 and the fourth clamp 20 also fasten the raw material. The other end of the rod 16. At this time, the raw material rod 16 is tightened and clamped while achieving longitudinal stretching.

As shown in FIG. 5 , in the fourth state, the driving device 2 is in the remote position, the distance between the first wedge die 9 and the second wedge die 6 is the largest, and the first fastener 21 and the second fastener 22 are not tightened. 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 die 9 and the second wedge die 6 is greater than the length of the raw material bar 16, the raw material bar 16 is not fastened between the first clamp 17 and the second clamp 18, and the third clamp 19 and the fourth clamp 20. The stock bar 16 is also not fastened. At this time, it is convenient to separate the drawn raw material rod 16 from the jig.

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

Preferably, a lifting device 15 is provided at the bottom of the clamp, and the lifting device 15 assists the clamp to clamp the raw material bar 16 . In the above-mentioned first state, when the raw material bar 16 is being fastened and clamped by the wedge die, the lifting device 15 is raised, and the lifting device 15 provides support for the bottom surface of the raw material bar 16, reducing the size of the raw material bar 16 itself. The influence of gravity improves the clamping accuracy. After the clamp is clamped, that is, when it is in the above-mentioned second state, the lifting device 15 is lowered to facilitate the movement of the moving plate 5. The lifting device 15 improves the clamping efficiency and clamping accuracy of the raw material bar 16, which is the qualified rate of drawing blanks. Guaranteed.

Preferably, a travel switch is provided on the work table 1 , and the travel switch controls the reciprocating distance of the driving device 2 . A limit device can also be set to limit the reciprocating stroke of the driving device 2, so as to control the reciprocating stroke of the second wedge die 6 and realize the control of the stretching length of the raw material rod 16. Various specifications can be set, and it is suitable for rods of various lengths. The hardware tool blanking has the advantages of simple structure, convenient operation, low production cost, wide application range and high production efficiency.

Preferably, a shaping die 7 is provided on the fixture, and the shaping die 7 includes a first shaping die 23 and a second shaping die 24 . The first sizing die 23 and the second sizing die 24 are set in sets, respectively. The first sizing die 23 and the second sizing die 24 clamp and shape the two ends of the raw material bar 16 respectively. The first sizing die 23 is placed in the first wedge shape. On the die 9 , the second setting die 24 is placed on the second wedge die 6 .

As shown in FIG. 5 , the first fixed mold 23 includes a first fixed mold 25 and a first movable mold 26 , the first fixed mold 25 is provided on the first fixture 17 , and the first movable mold 26 is provided on the second fixture 18 . The second setting mold 24 includes a second fixed mold 27 and a second movable mold 28 . The second fixed mold 27 is provided on the fourth fixture 20 , and the second movable mold 28 is provided on the third fixture 19 .

Preferably, the shaping die 7 is movably arranged on the fixture, which is convenient for maintenance and replacement. In addition, the shaping die has simple structure, low manufacturing cost and convenient installation. As shown in FIG. 6 , the shaping die 7 is provided with shaping grooves 29 , and the shaping grooves 29 can shape the two ends of the raw material rod 16 during the stretching process. There are a plurality of shaping grooves 29 . The plurality of shaping grooves 29 include various specifications. The shaping style and shaping quantity of the shaping groove 29 can be adjusted at any time according to the requirements of the workpiece, the production cost is low, and the application range is wide.

The shaping die 7 can shape the two ends of the raw material rod 16 while stretching the raw material rod 16 . The shaping die 7 can shape both ends of the raw material bar 16 at the same time, and can also choose to shape one end of the raw material bar 16; The structure of shaping one raw material rod 16 can also be set to the structure of shaping multiple raw material rods 16 . The shaping die 7 is simple in structure, low in production cost, and convenient in installation. The shaping style and shaping quantity of the shaping die 7 can be adjusted at any time according to the requirements of the processed parts.

The working table 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 placed between the moving plate 5 and the driving device 2, and the moving plate 6 is placed between the fixed plate 10 and the baffle. between plate 3. A guide post 4 is arranged between the fixed plate 10 and the baffle 3. The guide post 4 serves to regulate the linear motion of the second wedge-shaped die 6 relative to the first wedge-shaped die 9. The guide post 4 can be one or more than one. The guide post 4 penetrates the moving plate 5 . One side of the fixed plate 10 is connected to 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 to the driving device 2, and the first wedge-shaped die 9 is connected with the driving device 2. The second wedge die 6 is oppositely arranged between the fixed plate 10 and the moving plate 5 . The moving plate 5 is connected to the driving device 2 , and the driving device 2 penetrates the baffle 3 .

The driving device 2 is a device that drives the moving plate 5 to reciprocate. The driving device 2 can be a driving motor or a hydraulic rod. The hydraulic rod penetrates the baffle 3 to connect the moving plate 5. The hydraulic rod can be one or more. root.

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 opposite first clamp 17 and the second clamp 18 or the third clamp 19 and the fourth clamp 20 varies. The device realizes a series of processes such as feeding, clamping, and unloading the raw material rod 16. The fastener 8 can adjust the tightness between the relative clamps, which is suitable for various specifications of the raw material rod 16, and is convenient for setting the mold 7. installation.

The fastener 8 may have various structures. In the structure provided in this embodiment, the first fastener 21 and the second fastener 22 have the same structure. 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 , and the first plane 30 and the second plane 31 are connected by a first inclined plane 32 , The first plane 30 is placed 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 disposed opposite the first inclined surface 32 , and the trapezoidal short parallel side surface 34 of the second clamp 18 is disposed opposite to the second plane 31 . The first fastener 21 is a screw and a nut. The first clamp 17 and the second clamp 18 are provided with threaded connection holes. The screw is placed in the threaded connection hole. The first fastener 21 connects the first clamp 17 to the second clamp. The clamp 18 has two states.

As shown in FIG. 7 , in the first state, the first fastener 21 is not fastened, and the first clamp 17 and the second clamp 18 are movably connected.

As shown in FIG. 8 , in the second state, the first fastener 21 is fastened, the second clamp 18 and the first clamp 17 are fixedly connected, and the raw material rod 16 is clamped.

The working principle of the utility model is:

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

Loosen the first fastener 21 and the second fastener 22, and install the shaping die 7 required for shaping both ends of the workpiece. The lifting device 15 is raised, and the lifting device 15 provides a support function to the bottom surface of the raw material bar 16, thereby reducing the influence of the raw material bar 16's own gravity and improving the clamping accuracy. Under the cooperation of the lifting device 15, the first fastener 21 and the second fastener 22 are fastened so that one end of the raw material bar 16 is clamped between the second clamp 18 and the first clamp 17, and the other end of the raw material bar 16 is clamped between the second clamp 18 and the first clamp 17. It is clamped between the third clamp 19 and the fourth clamp 20, and by tightening the raw material bar 16, the raw material bar 16 is clamped, and the lifting device 15 is lowered.

The driving device 2 drives the moving plate 5 to move away from the fixed plate 10 . The moving plate 5 is sleeved with the guide post 4 to perform linear motion. When the moving plate 5 contacts the baffle 3 , the linear motion stops. During the movement of the moving plate 5, the second wedge die 6 clamps one end of the raw material bar 16 to perform a stretching motion. After the linear motion stops, loosen the first fastener 21 and the second fastener 22, and the stretched The raw material rod 16 is released from the gripper device.

The first fastener 21 and the second fastener 22 are always in a loose state, the driving device 2 drives the moving plate 5 to move toward the direction close to the fixed plate 10, and the moving plate 5 wraps around the guide post 4 for linear motion. When the wedge die 6 moves to the initial position, the linear motion stops.

By repeating the above steps, the blank-making work can be completed continuously.

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

As shown in FIG. 7 , in the first state, the first fastener 21 is not fastened, and the first clamp 17 and the second clamp 18 are movably connected.

As shown in FIG. 8 , in the second state, the first fastener 21 is fastened, the second clamp 18 and the first clamp 17 are fixedly connected, and the raw material rod 16 is clamped.

The advantages and positive effects that the utility model has are:

1. The utility model has a simple structure and is easy to operate. The raw material rod is heated by the heating device, and the two ends of the heated raw material rod are clamped by the fastening of the wedge-shaped die. The first wedge-shaped die fixes one end of the raw material rod, and the second wedge-shaped die The die is driven by the driving device and moves in the opposite direction of the first wedge die to realize the stretching of the heated raw material rod. After the raw material rod is stretched, the wedge die is loosened and the extrusion force is cancelled to realize the stretched raw material. Bar blanking, the second wedge-shaped die reciprocates in the baffle plate and the fixed plate to realize the clamping, stretching and unloading processes of the raw material bar, which has a high degree of automation, saves time and labor, and has little safety hazard during the blanking process. high productivity.

2. By setting the shaping die on the fixture, the utility model can shape the two ends of the raw material rod while stretching the raw material rod. The two ends can be shaped, and one end can be shaped. It is shaped into a spherical shape, and it can be shaped into one or more than one. The stereotyped mold has simple structure, low production cost and convenient installation. According to the requirements of the processed parts, the stereotyped style and number of stereotypes can be adjusted at any time. It has a wide range of applications and strong practicability, and is suitable for popularization and application.

3. The utility model realizes a series of processes such as feeding, clamping, and unloading of the raw material bar through the wedge-shaped die. The wedge-shaped die can adjust the tightness between the relative clamps, which is suitable for raw material bars of various specifications, and at the same time, it is convenient to use. The installation of the setting mold improves the production efficiency, and has a wide range of applications and strong practicability.

4. The utility model uses the lifting device to assist the clamping of the raw material bar. When the raw material bar is being clamped, the lifting device rises, and the lifting device provides a support for the bottom surface of the raw material bar, reducing the influence of the raw material bar's own gravity. , Improve the clamping accuracy. After the clamping device is clamped, the lifting device is lowered to facilitate the movement of the moving plate. The lifting device improves the clamping efficiency of the raw material bar and the clamping accuracy of the machine, which provides a guarantee for the qualification rate of drawing blanks.

5. The utility model sets the reciprocating stroke of the driving device through the stroke switch, so as to control the reciprocating stroke of the moving plate and realize the control of the stretching length of the raw material rod. Various specifications can be set, and it is suitable for the blanking of rod-type hardware tools of various lengths. , the structure is simple, the operation is convenient, the production cost is low, the application range is wide, and the production efficiency is high.

6. The utility model realizes the transportation of the heated raw material rods through the transmission device, so as to avoid scalding the staff during the transportation of the raw material rods, reduce the hidden danger of safety and improve the working efficiency.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other Relevant technical fields are similarly included in the scope of patent protection of the present invention.

Claims (10)

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,

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.

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.

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